/* Electricity Calculator Styles */

/* Wind Chart Iframe */
.chart-iframe {
  width: 100%;
  height: 450px;
  border: none;
  border-radius: 12px;
  margin-top: 1rem;
  overflow: hidden;
}

/* Frostbite symptoms and prevention in results - smaller text */
#frostbiteSymptoms,
#frostbitePrevention,
#hypothermiaSymptoms,
#hypothermiaAdvice {
  font-size: 0.75rem;
  text-align: center;
}

.electricity-input-row {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.electricity-input-row .number-input {
  flex: 1;
  min-width: 0;
}

.electricity-input-row .unit-select {
  width: 150px;
  flex-shrink: 0;
}

.input-prefix {
  font-size: 1rem;
  color: var(--foreground);
}

.input-suffix {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  white-space: nowrap;
}

.appliance-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
}

.appliance-table th,
.appliance-table td {
  padding: 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.appliance-table th {
  background: var(--secondary);
  font-weight: 600;
}

.appliance-table td:first-child {
  font-weight: 500;
}

.appliance-table td:last-child {
  text-align: right;
}

/* Density Calculator Styles */
.density-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 1rem;
  border-bottom: 2px solid var(--border);
}

.density-tab {
  flex: 1;
  padding: 0.75rem 0.5rem;
  background: transparent;
  border: none;
  border-radius: var(--radius) var(--radius) 0 0;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--muted-foreground);
  transition: all 0.2s ease;
}

.density-tab:hover {
  background: var(--secondary);
  color: var(--foreground);
}

.density-tab-active {
  background: var(--secondary);
  color: var(--primary);
  font-weight: 600;
  border-bottom: 2px solid var(--primary);
  margin-bottom: -2px;
}

.density-input-row {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.density-input-row .number-input {
  flex: 1;
  min-width: 0;
}

.density-input-row .unit-select {
  width: 180px;
  flex-shrink: 0;
}

.field-suffix {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  margin-left: 0.5rem;
}

.formula-inline {
  font-weight: 600;
  font-family: monospace;
  background: var(--secondary);
  padding: 0.125rem 0.5rem;
  border-radius: var(--radius);
}

/* Tip Calculator Styles */
.tip-input-row {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.tip-input-row .number-input {
  flex: 1;
  min-width: 0;
}

.input-prefix {
  font-size: 1rem;
  color: var(--foreground);
}

.input-suffix {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  white-space: nowrap;
}

.tip-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.tip-table th,
.tip-table td {
  padding: 0.5rem;
  text-align: right;
  border-bottom: 1px solid var(--border);
}

.tip-table th {
  font-weight: 600;
  background: var(--secondary);
}

.tip-table th:first-child,
.tip-table td:first-child {
  text-align: center;
}

.tip-table tbody tr.tip-highlight {
  background: var(--primary);
}

.tip-table tbody tr.tip-highlight td {
  color: var(--card);
  font-weight: 600;
}

.dark .tip-table tbody tr.tip-highlight td {
  color: var(--background);
}

.tip-amount,
.total-amount {
  font-weight: 500;
}

/* Resistor Color Code Styles */
.color-bands {
  margin-bottom: 1rem;
}

.color-options {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.color-option {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: all 0.2s ease;
}

.color-option:hover {
  background: var(--secondary);
}

.color-option input[type="radio"] {
  display: none;
}

.color-option:has(input:checked) {
  border-color: var(--primary);
  background: var(--secondary);
}

.color-swatch {
  width: 24px;
  height: 16px;
  border-radius: 2px;
  display: inline-block;
}

.color-label {
  font-size: 0.75rem;
}

.resistor-textarea {
  width: 100%;
  min-height: 80px;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 1rem;
  background: var(--card);
  color: var(--foreground);
  resize: vertical;
}

.resistor-textarea:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.conductor-input-row {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.conductor-input-row .number-input {
  flex: 1;
  min-width: 0;
}

.conductor-input-row .unit-select {
  width: 130px;
  flex-shrink: 0;
}

.input-suffix {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  white-space: nowrap;
}

.material-select-label {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  margin-top: 0.5rem;
  margin-bottom: 0.25rem;
  display: block;
}

.result-resistance {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
}

.dark .result-resistance {
  color: var(--primary);
}

/* ET Method Input Row */
.et-input-row {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.et-input-row .number-input {
  flex: 1;
  min-width: 0;
}

.et-input-row .unit-select {
  width: 130px;
  flex-shrink: 0;
}

/* Engine Horsepower Result */
.result-hp {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}

.dark .result-hp {
  color: var(--primary);
}

/* Right Triangle Input Grid */
.right-triangle-input-grid {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.rt-input-row {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.rt-input-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.rt-input-group label {
  font-weight: 500;
  min-width: 30px;
}

.rt-input-group .number-input {
  width: 80px;
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 1rem;
  text-align: right;
}

.rt-input-group .angle-unit-select {
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.875rem;
  background: var(--card);
  color: var(--foreground);
  cursor: pointer;
}

.rt-input-group .angle-unit-select:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* Breadcrumbs */
.breadcrumbs {
  margin-bottom: 1rem;
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

.breadcrumbs a {
  color: var(--primary);
  text-decoration: none;
}

.breadcrumbs a:hover {
  text-decoration: underline;
}

.print-link {
  float: right;
  margin-top: -2.5rem;
  margin-bottom: 1rem;
}

.print-link a {
  color: var(--primary);
  text-decoration: none;
  font-size: 0.875rem;
}

.print-link a:hover {
  text-decoration: underline;
}

/* Calculator Card Layout */
.calculator-card {
  display: grid;
  grid-template-columns: 1.8fr 2.2fr;
  gap: 1rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  max-width: 1400px;
  margin: 0 auto;
  min-width: auto;
}

.calculator-card.simple-calc {
  grid-template-columns: 1.6fr 1.4fr;
}

@media (max-width: 768px) {
  .calculator-card,
  .calculator-card.simple-calc {
    grid-template-columns: 1fr;
  }
  
  .et-input-row,
  .conductor-input-row {
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
  }
  
  .et-input-row .number-input,
  .conductor-input-row .number-input {
    width: 100%;
  }
  
  .et-input-row .unit-select,
  .conductor-input-row .unit-select {
    width: 100%;
  }
  
  .color-options {
    gap: 0.25rem;
  }
  
  .color-option {
    padding: 0.25rem;
  }
  
  .color-swatch {
    width: 20px;
    height: 14px;
  }
  
  .color-label {
    font-size: 0.625rem;
  }
  
.resistor-textarea {
    min-height: 60px;
  }
  
  .tip-input-row {
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
  }
  
  .tip-input-row .number-input {
    width: 100%;
  }
  
  .tip-table {
    font-size: 0.75rem;
  }
  
  .tip-table th,
  .tip-table td {
    padding: 0.375rem;
  }
  
  .electricity-input-row {
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
  }
  
  .electricity-input-row .number-input,
  .electricity-input-row .unit-select {
    width: 100%;
  }
  
  .appliance-table {
    font-size: 0.75rem;
  }
  
  .appliance-table th,
  .appliance-table td {
    padding: 0.5rem;
  }
}

@media (min-width: 1025px) {
  .rental-property-calculator .calculator-card {
    min-width: 850px;
  }
}

/* Secondary Calculator (HELOC Max Amount) */
.calculator-card.secondary-calc {
  grid-template-columns: 1fr 1fr;
  margin-bottom: 2rem;
}

.calculator-card.secondary-calc .secondary-calc-header {
  grid-column: 1 / -1;
  margin-bottom: 1rem;
}

.calculator-card.secondary-calc .secondary-calc-header h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--foreground);
}

.calculator-card.secondary-calc .secondary-calc-header .intro-text {
  font-size: 0.9rem;
  color: var(--muted-foreground);
}

/* Compound Interest Rate Converter */
@media (max-width: 768px) {
  .calculator-card {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

/* Salary Calculator Result Table */
.salary-input-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.salary-input-group .input-prefix {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--muted-foreground);
}

.salary-result-table {
  background: var(--secondary);
  border-radius: calc(var(--radius) - 0.25rem);
  overflow: hidden;
}

.salary-result-header {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  background: var(--primary);
  color: white;
  font-weight: 600;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.salary-result-header span {
  padding: 0.875rem 1rem;
  text-align: center;
}

.salary-result-header span:first-child {
  text-align: left;
}

.salary-result-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  border-bottom: 1px solid var(--border);
  font-size: 0.9375rem;
}

.salary-result-row:last-child {
  border-bottom: none;
}

.salary-result-row span {
  padding: 0.75rem 1rem;
  text-align: center;
  color: var(--foreground);
}

.salary-result-row span:first-child {
  text-align: left;
  font-weight: 500;
  color: var(--muted-foreground);
}

.salary-result-row.highlight {
  background: var(--primary);
}

.salary-result-row.highlight span {
  color: white;
  font-weight: 600;
}

.salary-result-row.highlight span:first-child {
  color: white;
}

@media (max-width: 600px) {
  .salary-result-header,
  .salary-result-row {
    grid-template-columns: 1fr 1fr;
  }
  
  .salary-result-header span:nth-child(2),
  .salary-result-row span:nth-child(2) {
    display: none;
  }
  
  .salary-result-header span:nth-child(1),
  .salary-result-row span:nth-child(1) {
    grid-column: 1 / -1;
    background: var(--primary);
    color: white;
  }
  
  .salary-result-header span,
  .salary-result-row span {
    text-align: center !important;
  }
}

.calc-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  padding: 1.5rem;
  background: var(--card);
  border-radius: calc(var(--radius) - 0.25rem);
  border: 1px solid var(--border);
  min-width: 0;
  overflow-x: visible;
}

.calc-results {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--card);
  border-radius: calc(var(--radius) - 0.25rem);
  border: 1px solid var(--border);
  min-width: 0;
  overflow-x: visible;
}

/* Form Rows */
.form-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.form-row > .form-group {
  flex: 1;
  min-width: 200px;
}

.form-row-inline {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

/* Form Groups */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-section-title {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--muted-foreground);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0.5rem;
}

.form-group label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--foreground);
}

.form-group input,
.form-group select {
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  font-family: inherit;
  border: 1px solid var(--input);
  border-radius: calc(var(--radius) - 0.25rem);
  background: var(--background);
  color: var(--foreground);
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group select {
  cursor: pointer;
}

/* Currency/Percent Input */
.currency-percent-input {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.currency-percent-input input {
  flex: 1;
  min-width: 0;
}

.currency-percent-input.extra-payment-input {
  flex-wrap: wrap;
}

.currency-percent-input.extra-payment-input input {
  flex: 1;
  min-width: 80px;
}

.currency-percent-input .input-prefix {
  color: var(--muted-foreground);
  font-size: 0.875rem;
  white-space: nowrap;
  padding: 0 0.25rem;
}

.currency-percent-input.extra-payment-input select {
  min-width: 70px;
  width: auto;
  padding: 0.5rem 0.375rem;
  text-align: center;
  flex-shrink: 0;
  font-size: 0.8rem;
}

/* Salary Input Group */
.salary-input-group {
  display: flex;
  align-items: center;
}

.salary-input-group input {
  flex: 1;
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
}

.currency-percent-input select {
  min-width: 90px;
  width: 100px;
  padding: 0.75rem 0.5rem;
  text-align: center;
  flex-shrink: 0;
  font-size: 0.875rem;
}

.input-suffix {
  color: var(--muted-foreground);
  font-size: 0.875rem;
  white-space: nowrap;
}

.input-hint {
  display: block;
  font-size: 0.75rem;
  color: var(--muted-foreground);
  margin-top: 0.25rem;
  line-height: 1.4;
}

/* Unit Input Group */
.unit-input-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.unit-input-group input {
  flex: 1;
  min-width: 0;
}

.unit-input-group .unit-select {
  min-width: 70px;
  width: 80px;
  padding: 0.5rem 0.375rem;
  text-align: center;
  flex-shrink: 0;
  font-size: 0.875rem;
}

/* Result Hint */
.result-hint {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  margin-bottom: 1rem;
  padding: 0.75rem;
  background: var(--secondary);
  border-radius: calc(var(--radius) - 0.25rem);
}

/* Formula Display */
.formula-display {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.formula-box {
  background: var(--secondary);
  padding: 1rem;
  border-radius: calc(var(--radius) - 0.25rem);
  text-align: center;
  margin: 1rem 0;
}

.formula-box p {
  margin: 0.25rem 0;
}

/* Steps Container */
.steps-container {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.steps-box {
  background: var(--secondary);
  padding: 1rem;
  border-radius: calc(var(--radius) - 0.25rem);
}

.steps-box p {
  margin: 0.5rem 0;
  font-size: 0.875rem;
  line-height: 1.5;
}

.steps-box p:first-child {
  margin-top: 0;
}

.irs-limit-warning {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem;
  background: #fff3cd;
  border: 1px solid #ffc107;
  border-radius: calc(var(--radius) - 0.25rem);
  margin-bottom: 1rem;
  font-size: 0.875rem;
  color: #856404;
}

.dark .irs-limit-warning {
  background: rgba(255, 193, 7, 0.15);
  border-color: #ffc107;
  color: #ffc107;
}

.warning-icon {
  font-size: 1rem;
}

/* Chart Column for 3-column layouts */
.chart-column {
  display: flex;
  flex-direction: column;
}

.chart-column .chart-container {
  flex: 1;
  min-height: 300px;
}

.form-hint {
  display: block;
  font-size: 0.875rem;
  color: var(--muted-foreground);
  margin-bottom: 1rem;
  line-height: 1.4;
}

/* Tier Table Styles */
.tier-table-container {
  margin: 1rem 0;
  overflow-x: auto;
}

.tier-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.tier-table th,
.tier-table td {
  padding: 0.5rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.tier-table th {
  font-weight: 600;
  color: var(--foreground);
  background-color: var(--secondary);
}

.tier-table td:first-child {
  font-weight: 500;
  color: var(--muted-foreground);
  white-space: nowrap;
}

.tier-table .currency-percent-input {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.tier-table input[type="number"] {
  width: 90px;
  padding: 0.5rem;
  font-size: 0.875rem;
  border: 1px solid var(--input);
  border-radius: var(--radius);
  background: var(--card);
  color: var(--foreground);
}

.tier-table input[type="number"]:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px var(--primary);
}

.tier-table select {
  padding: 0.5rem;
  font-size: 0.875rem;
  border: 1px solid var(--input);
  border-radius: var(--radius);
  background: var(--card);
  color: var(--foreground);
  cursor: pointer;
}

.tier-from {
  display: inline-block;
  min-width: 70px;
}

/* Responsive Tier Table */
@media (max-width: 768px) {
  .tier-table-container {
    margin: 0.75rem 0;
  }
  
  .tier-table {
    font-size: 0.8125rem;
  }
  
  .tier-table th,
  .tier-table td {
    padding: 0.375rem 0.5rem;
  }
  
  .tier-table input[type="number"] {
    width: 70px;
    padding: 0.375rem;
    font-size: 0.8125rem;
  }
  
  .tier-table select {
    padding: 0.375rem;
    font-size: 0.8125rem;
  }
  
  .tier-from {
    min-width: 50px;
    font-size: 0.75rem;
  }
}

/* Income Input Group */
.income-input-group {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.income-input-group > input[type="number"] {
  width: 100%;
}

/* Input with Tooltip */
.input-with-tooltip {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.input-with-tooltip input {
  flex: 1;
}

.tooltip-trigger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--muted-foreground);
  background: var(--border);
  border-radius: 50%;
  cursor: help;
  flex-shrink: 0;
}

.input-help {
  display: block;
  font-size: 0.75rem;
  color: var(--muted-foreground);
  margin-top: 0.25rem;
}

.help-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  font-size: 0.625rem;
  font-weight: 600;
  color: var(--muted-foreground);
  background: var(--border);
  border-radius: 50%;
  cursor: help;
  margin-left: 0.25rem;
}

/* Action Buttons */
.action-buttons {
  display: flex;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-size: 0.9375rem;
  font-weight: 500;
  font-family: inherit;
  border-radius: calc(var(--radius) - 0.25rem);
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: var(--primary);
  color: var(--primary-foreground);
  flex: 1;
}

.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--secondary);
  color: var(--secondary-foreground);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--border);
}

.action-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-size: 0.9375rem;
  font-weight: 500;
  font-family: inherit;
  border-radius: calc(var(--radius) - 0.25rem);
  cursor: pointer;
  transition: all 0.2s;
  border: none;
}

.action-btn.primary {
  background: var(--primary);
  color: var(--primary-foreground);
  flex: 1;
}

.action-btn.primary:hover {
  opacity: 0.9;
}

.action-btn.secondary {
  background: var(--secondary);
  color: var(--secondary-foreground);
  border: 1px solid var(--border);
}

.action-btn.secondary:hover {
  background: var(--border);
}

.action-btn.small {
  padding: 0.5rem 1rem;
  font-size: 0.8125rem;
}

.button-group {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

.button-group .action-btn {
  flex: none;
  min-width: 100px;
}

/* Results */
.results-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--foreground);
  margin-bottom: 0.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--border);
}

.result-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.result-box {
  background: var(--secondary);
  padding: 1rem;
  border-radius: calc(var(--radius) - 0.25rem);
  text-align: center;
  transition: transform 0.2s, box-shadow 0.2s;
}

.result-box:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.dark .result-box:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.result-box.primary.highlight {
  background: linear-gradient(135deg, hsl(242 85% 55%), hsl(262 85% 55%));
  color: white !important;
}

.result-box.primary.highlight .result-label,
.result-box.primary.highlight .result-value {
  color: white !important;
}

.dark .result-box.primary.highlight {
  background: linear-gradient(135deg, hsl(242 85% 65%), hsl(262 85% 65%));
  color: white !important;
}

.dark .result-box.primary.highlight .result-label,
.dark .result-box.primary.highlight .result-value {
  color: white !important;
}

.result-box.warning {
  background: #fff3cd;
  border: 1px solid #ffc107;
  color: #856404;
  text-align: left;
  padding: 0.75rem 1rem;
}

.result-box.warning .warning-msg {
  font-size: 0.8125rem;
  padding: 0.25rem 0;
}

.dark .result-box.warning {
  background: #3d3200;
  border-color: #665500;
  color: #ffd970;
}
  display: block;
  font-size: 0.8125rem;
  margin-bottom: 0.25rem;
  opacity: 0.9;
}

.result-box .result-value {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
}

.result-box .result-sub {
  display: block;
  font-size: 0.75rem;
  color: var(--muted-foreground);
  margin-top: 0.25rem;
}

/* Rent Calculator Result Style */
.result-header {
  text-align: center;
  margin-bottom: 1.5rem;
}

.result-breadcrumb {
  font-size: 0.75rem;
  color: var(--muted-foreground);
  text-transform: lowercase;
  margin-bottom: 0.5rem;
}

.result-breadcrumb a {
  color: var(--primary);
  text-decoration: none;
}

.result-breadcrumb a:hover {
  text-decoration: underline;
}

.result-subtitle {
  font-size: 1.125rem;
  color: var(--foreground);
  font-weight: 500;
  margin: 0;
}

.result-message {
  background: linear-gradient(135deg, hsl(142 76% 36%), hsl(162 76% 36%));
  color: white;
  padding: 1rem;
  border-radius: var(--radius);
  text-align: center;
  margin-bottom: 1.5rem;
}

.dark .result-message {
  background: linear-gradient(135deg, hsl(142 76% 46%), hsl(162 76% 46%));
}

.result-message p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.5;
}

.result-message strong {
  font-weight: 700;
}

.strategy-note {
  margin: 1.5rem 0;
  padding: 1rem;
  background: var(--secondary);
  border-radius: var(--radius);
  border-left: 4px solid var(--primary);
}

.strategy-note p {
  margin: 0;
  color: var(--foreground);
  font-size: 0.9375rem;
  line-height: 1.6;
}

.dark .strategy-note {
  background: hsl(215 25% 15%);
}

.result-details {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin: 1rem 0;
}

.result-detail-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
}

.result-detail-item:last-child {
  border-bottom: none;
}

.result-detail-item .detail-label {
  color: var(--muted-foreground);
  font-size: 0.875rem;
}

.result-detail-item .detail-value {
  font-weight: 600;
  color: var(--foreground);
}

.result-detail-item .highlight-text {
  color: var(--primary);
  font-weight: 700;
}

/* Rent Bar Result */
.rent-bar-result {
  margin-bottom: 1.5rem;
}

.rent-bar-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.rent-bar-label {
  min-width: 70px;
  text-align: center;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--foreground);
}

.rent-bar-track {
  flex: 1;
  height: 24px;
  background: var(--secondary);
  border-radius: 12px;
  position: relative;
  overflow: hidden;
}

.rent-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, hsl(43 96% 56%), hsl(242 85% 55%));
  border-radius: 12px;
  transition: width 0.3s ease;
}

.rent-bar-marker {
  position: absolute;
  top: -4px;
  width: 4px;
  height: 32px;
  background: var(--foreground);
  border-radius: 2px;
  transform: translateX(-50%);
  transition: left 0.3s ease;
}

.rent-bar-legend {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  font-size: 0.75rem;
  color: var(--muted-foreground);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.375rem;
}

.legend-color {
  width: 12px;
  height: 12px;
  border-radius: 3px;
}

.legend-color.comfortable {
  background: hsl(43 96% 56%);
}

.legend-color.maximum {
  background: hsl(242 85% 55%);
}

/* Recommendation Message */
.recommendation-message {
  background: var(--secondary);
  padding: 1rem;
  border-radius: var(--radius);
  text-align: center;
  margin-bottom: 1.5rem;
  border-left: 4px solid hsl(142 76% 36%);
}

.dark .recommendation-message {
  border-left-color: hsl(142 76% 46%);
}

.recommendation-message p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--foreground);
}

.recommendation-message strong {
  color: var(--primary);
  font-weight: 600;
}

/* Result Actions */
.result-actions {
  display: flex;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.result-save-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1rem;
  background: var(--secondary);
  color: var(--foreground);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.result-save-btn:hover {
  background: var(--primary);
  color: var(--primary-foreground);
  border-color: var(--primary);
}

.result-save-btn svg {
  flex-shrink: 0;
}

/* Result Details */
.result-details {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  padding: 1rem;
  background: var(--secondary);
  border-radius: var(--radius);
}

.result-detail-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.375rem 0;
}

.result-detail-item:not(:last-child) {
  border-bottom: 1px solid var(--border);
}

.detail-label {
  font-size: 0.8125rem;
  color: var(--muted-foreground);
}

.detail-value {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--foreground);
}

/* Result Table (calculator.net style) */
.result-table {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.result-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1rem;
  background: var(--secondary);
  border-radius: calc(var(--radius) - 0.25rem);
}

.result-row .result-label {
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

.result-row .result-value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--foreground);
}

.result-row.highlight {
  background: linear-gradient(135deg, hsl(242 85% 55%), hsl(262 85% 55%));
  color: white;
}

.result-row.highlight .result-label,
.result-row.highlight .result-value {
  color: white;
}

.dark .result-row.highlight {
  background: linear-gradient(135deg, hsl(242 85% 65%), hsl(262 85% 65%));
}

.result-row.total {
  background: var(--foreground);
  color: var(--card);
}

.result-row.total .result-label,
.result-row.total .result-value {
  color: var(--card);
  font-weight: 700;
}

.result-sub-results {
  margin-left: 1rem;
  margin-bottom: 0.75rem;
  padding-left: 0.75rem;
  border-left: 2px solid var(--border);
}

.result-sub-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.25rem 0;
}

.result-sub-row .result-label {
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

.result-sub-row .result-value {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--foreground);
}

.result-note {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin-top: 0.75rem;
  padding: 0.625rem;
  background: var(--secondary);
  border-radius: calc(var(--radius) - 0.25rem);
  border-left: 3px solid var(--primary);
}

.result-note .note-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  margin-top: 0.125rem;
}

.result-note .note-text {
  font-size: 0.8125rem;
  color: var(--muted-foreground);
  line-height: 1.4;
}

.dark .result-note {
  background: hsl(215 25% 18%);
}

/* Retirement Calculator Result Style */
.retirement-result {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.retirement-result .result-header {
  text-align: center;
}

.retirement-result .result-main {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--foreground);
  margin-bottom: 0.5rem;
}

.retirement-result .result-sub {
  font-size: 0.9375rem;
  color: var(--muted-foreground);
}

.retirement-result .result-comparison {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.retirement-result .comparison-bar {
  height: 24px;
  background: var(--secondary);
  border-radius: 12px;
  overflow: hidden;
  position: relative;
}

.retirement-result .comparison-fill {
  height: 100%;
  background: linear-gradient(90deg, hsl(242 85% 55%), hsl(262 85% 55%));
  border-radius: 12px;
  transition: width 0.5s ease;
}

.retirement-result .comparison-labels {
  display: flex;
  justify-content: space-between;
}

.retirement-result .comparison-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.retirement-result .comparison-value {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--foreground);
}

.retirement-result .comparison-label {
  font-size: 0.8125rem;
  color: var(--muted-foreground);
}

.retirement-result .result-scenarios {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.retirement-result .scenario {
  background: var(--secondary);
  padding: 1rem;
  border-radius: calc(var(--radius) - 0.25rem);
}

.retirement-result .scenario h4 {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--foreground);
  margin-bottom: 0.75rem;
}

.retirement-result .scenario-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.retirement-result .scenario-table th,
.retirement-result .scenario-table td {
  padding: 0.5rem;
  text-align: left;
}

.retirement-result .scenario-table th:first-child,
.retirement-result .scenario-table td:first-child {
  text-align: left;
  font-weight: 600;
}

.retirement-result .scenario-table td.indent {
  padding-left: 1.5rem;
  font-weight: 400;
  color: var(--muted-foreground);
}

.retirement-result .scenario-table td:nth-child(2),
.retirement-result .scenario-table td:nth-child(3) {
  text-align: right;
  font-weight: 500;
}

.retirement-result .scenario-table th:nth-child(2),
.retirement-result .scenario-table th:nth-child(3) {
  text-align: right;
  font-weight: 600;
  color: var(--muted-foreground);
  font-size: 0.75rem;
}

.retirement-result .result-savings-tip {
  background: linear-gradient(135deg, hsl(242 85% 55%), hsl(262 85% 55%));
  color: white;
  padding: 1.25rem;
  border-radius: calc(var(--radius) - 0.25rem);
  text-align: center;
}

.retirement-result .result-savings-tip p {
  margin: 0;
}

.retirement-result .result-savings-tip p:first-child {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.retirement-result .result-savings-tip p:last-child {
  font-size: 0.9375rem;
  opacity: 0.95;
}

/* Result Section */
.result-section {
  background: var(--secondary);
  padding: 1rem;
  border-radius: calc(var(--radius) - 0.25rem);
  margin-bottom: 0.75rem;
}

.result-section:last-of-type {
  margin-bottom: 0;
}

.result-section-title {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--muted-foreground);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.result-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
}

.result-row:last-child {
  border-bottom: none;
}

.result-row .result-label {
  color: var(--muted-foreground);
  font-size: 0.9375rem;
}

.result-row .result-value {
  font-weight: 600;
  color: var(--foreground);
}

/* Paycheck Result Table */
.results-header-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.results-title h2 {
  font-size: 1.25rem;
  margin-bottom: 0.25rem;
}

.save-link {
  font-size: 0.875rem;
}

.save-link a {
  color: var(--primary);
  text-decoration: none;
}

.paycheck-result-header {
  margin-bottom: 1.5rem;
}

.paycheck-result-header h2 {
  font-size: 1.25rem;
  margin-bottom: 0.25rem;
}

.result-subtitle {
  color: var(--muted-foreground);
  font-size: 0.9375rem;
}

.paycheck-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1rem;
}

.paycheck-table th,
.paycheck-table td {
  padding: 0.625rem 0.5rem;
  text-align: left;
}

.paycheck-table th:first-child,
.paycheck-table td:first-child {
  padding-left: 0;
}

.paycheck-table th:last-child,
.paycheck-table td:last-child {
  padding-right: 0;
}

.paycheck-table .text-right {
  text-align: right;
}

.paycheck-table tbody tr {
  border-bottom: 1px solid var(--border);
}

.paycheck-table tbody tr:last-child {
  border-bottom: none;
}

.paycheck-table .highlight-row {
  background: linear-gradient(135deg, hsl(242 85% 55%), hsl(262 85% 55%));
  color: white;
  font-size: 1.125rem;
}

.paycheck-table .highlight-row td {
  padding: 0.875rem 0.5rem;
}

.dark .paycheck-table .highlight-row {
  background: linear-gradient(135deg, hsl(242 85% 65%), hsl(262 85% 65%));
}

.weeks-note {
  text-align: center;
  color: var(--muted-foreground);
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
}

/* Tax Year Table */
.tax-year-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  margin-top: 0.5rem;
}

.tax-year-table th,
.tax-year-table td {
  padding: 0.5rem 0.75rem;
  text-align: left;
  border: 1px solid var(--border);
}

.tax-year-table th {
  background: var(--secondary);
  font-weight: 600;
}

.tax-year-table td:first-child {
  font-weight: 500;
}

.tax-year-table tr:hover {
  background: var(--secondary);
}

.tax-year-table tr.selected-year {
  background: var(--primary);
  color: white;
}

.tax-year-table tr.selected-year td {
  border-color: var(--primary);
}

.tax-year-table input[type="radio"] {
  margin-right: 0.5rem;
}

.tax-year-table label {
  cursor: pointer;
  display: inline;
}

.tax-year-table tr.selected-year label {
  color: white;
}

/* W-4 Section */
.w4-section {
  background: var(--secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}

.w4-intro {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  margin-bottom: 1rem;
  line-height: 1.5;
}

.w4-step {
  margin-bottom: 1rem;
}

.w4-step:last-child {
  margin-bottom: 0;
}

.w4-step h4 {
  font-size: 0.9375rem;
  margin-bottom: 0.5rem;
  color: var(--foreground);
}

.w4-table {
  width: 100%;
  border-collapse: collapse;
}

.w4-table td {
  padding: 0.375rem 0.5rem;
  font-size: 0.875rem;
}

.w4-table .text-right {
  text-align: right;
}

.w4-table .w4-total {
  border-top: 1px solid var(--border);
  font-weight: 600;
}

.disclaimer {
  font-size: 0.8125rem;
  color: var(--muted-foreground);
  font-style: italic;
  margin-bottom: 1.5rem;
}

.w4-privacy-note {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  margin: 1rem 0;
  line-height: 1.5;
  padding: 0.75rem;
  background: var(--background);
  border-radius: var(--radius);
}

/* Balance Breakdown */
.balance-breakdown {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.breakdown-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.breakdown-label {
  color: var(--muted-foreground);
  font-size: 0.875rem;
}

.breakdown-value {
  font-weight: 600;
  color: var(--foreground);
}

.breakdown-subitem {
  display: flex;
  justify-content: space-between;
  padding-left: 1rem;
  gap: 1rem;
}

.breakdown-subitem .breakdown-label {
  color: var(--muted-foreground);
  font-size: 0.8125rem;
}

.breakdown-subitem .breakdown-value {
  font-weight: 500;
  color: var(--foreground);
  font-size: 0.875rem;
}

/* Chart */
.chart-section {
  margin-top: 2rem;
  padding: 1.5rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.chart-section h3 {
  margin-bottom: 1rem;
  text-align: center;
}

.result-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--foreground);
}

.result-value.negative {
  color: hsl(0, 70%, 50%);
}

.dark .result-value.negative {
  color: hsl(0, 70%, 60%);
}

.chart-section {
  margin-top: 2rem;
  padding: 1.5rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.chart-section h3 {
  margin-bottom: 1rem;
  text-align: center;
}

.chart-container {
  height: 150px;
  margin: 0.5rem 0;
}

.chart-container canvas {
  max-height: 100%;
}

.dark .chart-container canvas {
  background: transparent;
}

/* Chart Tooltip Dark Mode */
.dark .chart-container .chartjs-tooltip {
  background: hsl(215 25% 20%) !important;
  border: 1px solid hsl(215 25% 25%) !important;
  color: #f1f5f9 !important;
}

.dark .chart-container .chartjs-tooltip::before,
.dark .chart-container .chartjs-tooltip::after {
  border-top-color: hsl(215 25% 20%) !important;
}

/* Summary Box */
.summary-box {
  background: var(--secondary);
  padding: 1rem;
  border-radius: calc(var(--radius) - 0.25rem);
}

.summary-item {
  display: flex;
  justify-content: space-between;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
}

.summary-item:last-child {
  border-bottom: none;
}

.summary-label {
  color: var(--muted-foreground);
  font-size: 0.875rem;
}

.summary-value {
  font-weight: 600;
  color: var(--foreground);
}

/* Rent vs Buy Calculator */
.results-table-container {
  overflow-x: auto;
  margin: 1.5rem 0;
}

.results-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.results-table th,
.results-table td {
  padding: 0.75rem;
  text-align: right;
  border-bottom: 1px solid var(--border);
}

.results-table th:first-child,
.results-table td:first-child {
  text-align: left;
}

.results-table th {
  background: var(--secondary);
  font-weight: 600;
  color: var(--foreground);
}

.results-table tr:nth-child(5n) {
  background-color: var(--secondary);
}

.results-table tr:nth-child(5n) td:first-child {
  font-weight: 600;
}

.big-text {
  font-size: 1.25rem;
  text-align: center;
  padding: 1rem;
  background: var(--secondary);
  border-radius: var(--radius);
  margin-bottom: 1.5rem;
}

/* Category Tabs */
.category-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.category-tab {
  flex: 1;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--foreground);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  border-radius: calc(var(--radius) - 0.25rem);
  transition: all 0.2s ease;
}

.category-tab:hover {
  background: var(--secondary);
}

.category-tab.active {
  background: var(--primary);
  color: var(--primary-foreground);
  border-color: var(--primary);
}

/* Input Type Select */
.input-type-select {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) - 0.25rem);
  background: var(--card);
  color: var(--foreground);
  font-size: 1rem;
  cursor: pointer;
}

.input-type-select:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* Formula Box */
.formula-box {
  background: var(--secondary);
  padding: 1rem;
  border-radius: calc(var(--radius) - 0.25rem);
  margin: 1rem 0;
}

.formula-box h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--foreground);
}

.formula-box p {
  margin: 0.25rem 0;
  font-size: 0.875rem;
}

.formula-box .formula-note {
  font-size: 0.75rem;
  color: var(--muted-foreground);
  font-style: italic;
}

/* Out of Scope in Results Table */
.out-of-scope {
  color: #9ca3af;
  font-style: italic;
  font-size: 0.75rem;
}

.section-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--foreground);
}

.section-desc {
  font-size: 0.95rem;
  color: var(--foreground-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.5;
}

.result-text {
  font-size: 1rem;
  line-height: 1.5;
  margin-top: 0.5rem;
}

/* Latest Mortgage Rates */
.mortgage-rates-section {
  margin: 2rem 0;
}

.rates-box {
  border: 1px solid #d1d5db;
  border-radius: 8px;
  overflow: hidden;
}

.rates-header {
  background: #f8fafc;
  padding: 10px 16px;
  font-weight: 700;
  font-size: 1rem;
  border-bottom: 1px solid #d1d5db;
}

.rates-body {
  padding: 12px 16px;
  text-align: center;
}

.rate-item {
  display: inline-block;
  margin: 4px 8px;
  font-size: 0.95rem;
}

.rate-item a {
  color: #2563eb;
  text-decoration: none;
  font-weight: 600;
}

.rate-item a:hover {
  text-decoration: underline;
}

.rates-actions {
  margin-top: 10px;
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

.rate-btn {
  display: inline-block;
  padding: 8px 16px;
  background: linear-gradient(135deg, hsl(242 85% 55%), hsl(262 85% 55%));
  color: white !important;
  border-radius: 4px;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}

.rate-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

.dark .rates-box {
  border-color: #374151;
}

.dark .rates-header {
  background: #1e293b;
  color: #f1f5f9;
  border-color: #374151;
}

.dark .rates-body {
  background: #1e293b;
}

.dark .rate-item {
  color: #e2e8f0;
}

.dark .rate-item a {
  color: #818cf8;
}

.dark .rate-btn {
  background: linear-gradient(135deg, hsl(242 85% 65%), hsl(262 85% 65%));
}

.dark #mratetable iframe {
  filter: invert(0.9) hue-rotate(180deg);
}

/* Local Rates Box */
.local-rates-box {
  text-align: center;
  margin: 1.5rem 0;
}

#localRatesBtn {
  display: inline-block;
  padding: 8px 16px;
  background: linear-gradient(135deg, hsl(242 85% 55%), hsl(262 85% 55%));
  color: white !important;
  border-radius: 4px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.2s, box-shadow 0.2s;
}

#localRatesBtn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

.dark #localRatesBtn {
  background: linear-gradient(135deg, hsl(242 85% 65%), hsl(262 85% 65%));
}

/* Expand Button */
.expand-btn,
.view-schedule-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
  width: 100%;
  padding: 0.4rem 0.6rem;
  font-size: 0.7rem;
  font-weight: 500;
  color: white;
  background: linear-gradient(135deg, hsl(242 85% 55%), hsl(262 85% 55%));
  border: 1px dashed var(--border);
  border-radius: calc(var(--radius) - 0.25rem);
  cursor: pointer;
  transition: all 0.2s ease;
}

.expand-btn:hover,
.view-schedule-btn:hover {
  opacity: 0.9;
  border-style: solid;
}

.expand-btn.active,
.view-schedule-btn.active {
  background: var(--secondary);
  color: var(--foreground);
  border-style: solid;
}

.dark .expand-btn,
.dark .view-schedule-btn {
  background: linear-gradient(135deg, hsl(242 85% 65%), hsl(262 85% 65%));
}

.expandable-content {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1rem;
  background: var(--secondary);
  border-radius: calc(var(--radius) - 0.25rem);
  animation: slideDown 0.3s ease;
}

/* Mode Tabs */
.mode-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 1.5rem;
  border-radius: calc(var(--radius) - 0.25rem);
  overflow: hidden;
  border: 1px solid var(--border);
}

.mode-tab {
  flex: 1;
  padding: 0.625rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--muted-foreground);
  background: var(--secondary);
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.mode-tab:hover {
  background: var(--muted);
}

.mode-tab.active {
  color: var(--primary-foreground);
  background: var(--primary);
}

.dark .mode-tab.active {
  background: var(--primary);
}

.calc-form .mode-tabs {
  margin-top: 0;
}

/* Form Mode Toggle */
.form-mode-toggle {
  display: flex;
  gap: 0;
  margin-bottom: 1.5rem;
  border-radius: calc(var(--radius) - 0.25rem);
  overflow: hidden;
  border: 1px solid var(--border);
}

.form-mode-toggle .mode-tab {
  flex: 1;
  padding: 0.625rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--muted-foreground);
  background: var(--secondary);
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
}

.form-mode-toggle .mode-tab:hover {
  background: var(--muted);
}

.form-mode-toggle .mode-tab.active {
  color: var(--primary-foreground);
  background: var(--primary);
}

/* Danger Message */
.danger-message {
  padding: 0.75rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  line-height: 1.5;
}

.danger-message.caution {
  background: #fef3c7;
  color: #92400e;
  border: 1px solid #fcd34d;
}

.dark .danger-message.caution {
  background: #78350f;
  color: #fef3c7;
  border-color: #92400e;
}

.danger-message.extreme-caution {
  background: #fed7aa;
  color: #9a3412;
  border: 1px solid #fdba74;
}

.dark .danger-message.extreme-caution {
  background: #7c2d12;
  color: #fed7aa;
  border-color: #9a3412;
}

.danger-message.danger {
  background: #fecaca;
  color: #b91c1c;
  border: 1px solid #f87171;
}

.dark .danger-message.danger {
  background: #7f1d1d;
  color: #fecaca;
  border-color: #b91c1c;
}

.danger-message.extreme-danger {
  background: #dc2626;
  color: white;
  border: 1px solid #991b1b;
}

.dark .danger-message.extreme-danger {
  background: #7f1d1d;
  color: #fecaca;
  border-color: #dc2626;
}

/* Danger Table */
.cinfo-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: 0.875rem;
}

.cinfo-table th,
.cinfo-table td {
  padding: 0.75rem;
  text-align: left;
  border: 1px solid var(--border);
}

.cinfo-table th {
  background: var(--secondary);
  font-weight: 600;
}

.cinfo-table tbody tr:nth-child(even) {
  background: var(--secondary);
}

/* Heat Index Chart Table */
.heat-index-chart {
  overflow-x: auto;
  margin: 1rem 0;
}

.heat-index-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.75rem;
  min-width: 800px;
}

.heat-index-table th,
.heat-index-table td {
  padding: 0.5rem 0.375rem;
  text-align: center;
  border: 1px solid var(--border);
}

.heat-index-table th {
  background: var(--secondary);
  font-weight: 600;
  white-space: nowrap;
}

.heat-index-table td:first-child {
  background: var(--secondary);
  font-weight: 600;
  text-align: left;
}

.heat-index-table tbody tr:nth-child(even) {
  background: var(--secondary);
}

.heat-index-table .caution {
  background: #fef3c7 !important;
  color: #92400e;
}

.heat-index-table .extreme-caution {
  background: #fed7aa !important;
  color: #9a3412;
}

.heat-index-table .danger {
  background: #fecaca !important;
  color: #b91c1c;
}

.heat-index-table .extreme-danger {
  background: #dc2626 !important;
  color: white;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Calculator Header */
.calculator-header {
  margin-bottom: 2rem;
}

.calculator-header h1 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--foreground);
  margin-bottom: 0.75rem;
}

.calculator-header .intro-text {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--muted-foreground);
}

.calculator-header .intro-list {
  margin-top: 1rem;
  padding-left: 1.5rem;
  color: var(--muted-foreground);
}

.calculator-header .intro-list li {
  margin-bottom: 0.5rem;
}

/* Tabs */
.calc-tabs {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin-bottom: 1.5rem;
  border-bottom: 2px solid var(--border);
}

.calc-tab {
  padding: 0.75rem 1.25rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--muted-foreground);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  transition: all 0.2s;
}

.calc-tab:hover {
  color: var(--foreground);
}

.calc-tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.calc-tab-content {
  display: none;
  grid-column: 1 / -1;
}

.calc-tab-content.active {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

@media (max-width: 768px) {
  .calc-tab-content.active {
    grid-template-columns: 1fr;
  }
}

.savings-cards {
  display: flex;
  gap: 1rem;
  margin: 1.5rem 0;
}

.savings-card {
  flex: 1;
  background: linear-gradient(135deg, var(--primary), hsl(262, 85%, 55%));
  color: white;
  padding: 1.25rem;
  border-radius: var(--radius);
  text-align: center;
}

.dark .savings-card {
  background: linear-gradient(135deg, hsl(242, 85%, 65%), hsl(262, 85%, 65%));
}

.savings-card .savings-label {
  display: block;
  font-size: 0.875rem;
  opacity: 0.9;
  margin-bottom: 0.5rem;
}

.savings-card .savings-value {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
}

.payoff-message {
  background: var(--secondary);
  padding: 1rem;
  border-radius: var(--radius);
  margin-bottom: 1rem;
  font-size: 1rem;
  line-height: 1.5;
}

.payoff-message strong {
  color: var(--primary);
}

.dark .payoff-message {
  background: var(--secondary);
}

.comparison-section {
  margin-top: 1.5rem;
}

.comparison-chart {
  margin-bottom: 1.5rem;
}

.comparison-table table {
  width: 100%;
  border-collapse: collapse;
}

.comparison-table th,
.comparison-table td {
  padding: 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.comparison-table th:first-child,
.comparison-table td:first-child {
  font-weight: 500;
  color: var(--muted-foreground);
}

.comparison-table th:not(:first-child),
.comparison-table td:not(:first-child) {
  text-align: right;
  font-weight: 600;
}

.comparison-table th {
  background: var(--secondary);
  font-weight: 600;
}

.dark .comparison-table th {
  background: hsl(215 25% 18%);
}

.radio-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.operation-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.operation-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--foreground);
  margin-right: 0.25rem;
}

.operation-btn {
  padding: 0.5rem 0.875rem;
  font-size: 0.8125rem;
  font-weight: 500;
  font-family: inherit;
  color: var(--foreground);
  background: var(--secondary);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) - 0.25rem);
  cursor: pointer;
  transition: all 0.2s ease;
}

.operation-btn:hover {
  background: var(--border);
}

.operation-btn.active {
  background: var(--primary);
  color: var(--primary-foreground);
  border-color: var(--primary);
}

.scientific-notation-calculator .operation-buttons input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.operation-buttons input[type="radio"]:checked + .operation-btn {
  background: var(--primary);
  color: var(--primary-foreground);
  border-color: var(--primary);
}

.radio-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.radio-label,
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  font-size: 0.9375rem;
}

.radio-label input,
.checkbox-label input {
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
}

.amortization-controls {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
  align-items: center;
}

.amortization-controls select {
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
  color: var(--foreground);
}

.action-btn.small {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.payoff-header {
  margin-bottom: 1rem;
}

.payoff-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
}

.payoff-title .save-icon {
  color: var(--primary);
}

.summary-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin: 1.5rem 0;
}

@media (max-width: 768px) {
  .summary-stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

.stat-item {
  background: var(--secondary);
  padding: 1rem;
  border-radius: var(--radius);
  text-align: center;
}

.stat-item.highlight {
  background: linear-gradient(135deg, var(--primary), hsl(262, 85%, 55%));
  color: white;
}

.dark .stat-item.highlight {
  background: linear-gradient(135deg, hsl(242, 85%, 65%), hsl(262, 85%, 65%));
}

.stat-item .stat-label {
  display: block;
  font-size: 0.75rem;
  color: var(--muted-foreground);
  margin-bottom: 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-item.highlight .stat-label {
  color: rgba(255, 255, 255, 0.9);
}

.stat-item .stat-value {
  display: block;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--foreground);
}

.stat-item.highlight .stat-value {
  color: white;
}

.tab-nav {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.tab-btn {
  padding: 0.75rem 1.25rem;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--muted-foreground);
  font-size: 0.9375rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.tab-btn:hover {
  color: var(--foreground);
}

.tab-btn.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

.tab-content .calculator-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

@media (max-width: 768px) {
  .tab-content .calculator-card {
    grid-template-columns: 1fr;
  }
}

.calc-tab-content {
  display: none;
  grid-column: 1 / -1;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.calc-tab-content.active {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.calc-tab-content .calc-form,
.calc-tab-content .calc-results {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--card);
  border-radius: calc(var(--radius) - 0.25rem);
  border: 1px solid var(--border);
}

/* Responsive */
@media (max-width: 768px) {
  .calculator-card {
    grid-template-columns: 1fr;
    padding: 1rem;
  }
  
  .calc-form,
  .calc-results {
    min-width: 0;
  }
  
  .calc-tabs {
    flex-wrap: wrap;
    gap: 0.25rem;
  }
  
  .calc-tab {
    padding: 0.5rem 0.75rem;
    font-size: 0.8125rem;
  }

  .tab-nav {
    display: flex;
    flex-direction: row;
    gap: 8px;
    margin-bottom: 16px;
    border-bottom: none;
  }

  .tab-btn {
    font-size: 16px;
    padding: 12px 16px;
    flex: 1;
    height: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    border-radius: var(--radius);
  }

  .tab-btn.active {
    border-color: var(--primary);
  }
  
  .calc-tab-content,
  .calc-tab-content.active {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .form-row {
    flex-direction: column;
  }
  
  .form-row-inline {
    grid-template-columns: 1fr;
  }
  
  .result-grid {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
    padding: 1rem 0;
    width: 100%;
  }

  .result-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 1rem;
  }
  
  .calculator-header h1 {
    font-size: 1.5rem;
  }
  
  .currency-percent-input {
    flex-direction: column;
    align-items: stretch;
  }
  
  .currency-percent-input select {
    width: 100%;
  }
  
  .action-buttons {
    flex-direction: column;
  }
  
  .action-btn.primary {
    flex: none;
  }
  
  .ad-unit.leaderboard,
  .ad-unit.multiplex {
    width: 100%;
    height: auto;
    min-height: 90px;
  }
}

/* Toggle Container */
.toggle-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background: var(--secondary);
  border-radius: calc(var(--radius) - 0.25rem);
  margin-bottom: 1rem;
}

.toggle-label {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--foreground);
}

/* Checkbox styling */
.form-group input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
  cursor: pointer;
}

/* Toggle Switch */
.toggle-switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--border);
  transition: 0.3s;
  border-radius: 24px;
}

.toggle-slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: 0.3s;
  border-radius: 50%;
}

.dark .toggle-slider:before {
  background-color: hsl(215 25% 90%);
}

.toggle-switch input:checked + .toggle-slider {
  background-color: var(--primary);
}

.toggle-switch input:checked + .toggle-slider:before {
  transform: translateX(20px);
}

/* Date Select Group */
.date-select-group {
  display: flex;
  gap: 0.5rem;
}

.date-select-group select {
  flex: 1;
  min-width: 0;
}

/* Amortization Section */
.amortization-section {
  margin-top: 2rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.amortization-section h2 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--foreground);
  margin-bottom: 1rem;
}

.amortization-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1rem;
}

.amortization-header h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--foreground);
  margin: 0;
}

.amortization-controls {
  margin-bottom: 1rem;
  display: flex;
  gap: 0.75rem;
  align-items: center;
  flex-wrap: wrap;
}

.amortization-controls select {
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  border: 1px solid var(--input);
  border-radius: calc(var(--radius) - 0.25rem);
  background: var(--background);
  color: var(--foreground);
}

.amortization-table-container {
  overflow-x: auto;
}

.amortization-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.amortization-table th,
.amortization-table td {
  padding: 0.75rem;
  text-align: right;
  border-bottom: 1px solid var(--border);
}

.amortization-table th:first-child,
.amortization-table td:first-child,
.amortization-table th:nth-child(2),
.amortization-table td:nth-child(2) {
  text-align: left;
}

.amortization-table th {
  background: var(--secondary);
  font-weight: 600;
}

.amortization-table .year-end td {
  background: var(--secondary);
  font-weight: 600;
  text-align: center;
  color: var(--primary);
}

/* Data Table */
.table-responsive {
  overflow-x: auto;
  margin: 1rem 0;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.data-table th,
.data-table td {
  padding: 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.data-table th {
  font-weight: 600;
  color: var(--foreground);
  background: var(--secondary);
}

.data-table tr:hover {
  background: var(--secondary);
}

.data-table td:nth-child(2),
.data-table td:nth-child(3) {
  text-align: right;
}

.data-table th:nth-child(2),
.data-table th:nth-child(3) {
  text-align: right;
}

/* Mortgage Rates */
.mortgage-rates {
  margin-top: 1rem;
  padding: 1rem;
  background: var(--secondary);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) - 0.25rem);
}

.rates-label {
  display: block;
  font-size: 0.8125rem;
  color: var(--muted-foreground);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.rates-values {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.rates-values span {
  font-size: 0.875rem;
  color: var(--foreground);
  font-weight: 500;
}

.rates-values a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  cursor: pointer;
  transition: color 0.2s;
}

.rates-values a:hover {
  color: hsl(242, 85%, 45%);
  text-decoration: underline;
}

.dark .rates-values a:hover {
  color: hsl(242, 85%, 75%);
}

.rates-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.rates-actions .action-btn.small {
  font-size: 0.8125rem;
  padding: 0.5rem 0.75rem;
}

.rate-table-wrapper {
  margin-top: 0.75rem;
  padding: 0.75rem;
  background: var(--background);
  border-radius: calc(var(--radius) - 0.25rem);
  border: 1px solid var(--border);
}

.rate-table-note {
  font-size: 0.8125rem;
  color: var(--muted-foreground);
  margin: 0;
  line-height: 1.5;
}

/* Calculator Page */
.calculator-page {
  padding: 2rem 0;
}

/* Schedule */
.schedule-section {
  margin-top: 2rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.schedule-controls {
  margin-bottom: 1rem;
}

.schedule-controls select {
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  border: 1px solid var(--input);
  border-radius: calc(var(--radius) - 0.25rem);
  background: var(--background);
  color: var(--foreground);
}

.schedule-table-wrapper {
  overflow-x: auto;
}

.schedule-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.schedule-table th,
.schedule-table td {
  padding: 0.75rem;
  text-align: right;
  border-bottom: 1px solid var(--border);
}

.schedule-table th:first-child,
.schedule-table td:first-child {
  text-align: left;
}

.schedule-table th {
  font-weight: 600;
  color: var(--foreground);
  background: var(--secondary);
}

/* Table of Contents */
.table-of-contents {
  margin: 2rem 0;
  padding: 1.5rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.table-of-contents h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--foreground);
}

.table-of-contents ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
}

.table-of-contents a {
  font-size: 0.9375rem;
  color: var(--primary);
  text-decoration: none;
}

.table-of-contents a:hover {
  text-decoration: underline;
}

/* Calculator Info */
.calculator-info {
  margin: 2rem 0;
}

.content-meta {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--muted-foreground);
}

.calculator-info article {
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}

.calculator-info article:last-child {
  border-bottom: none;
}

.calculator-info h2,
.calculator-info h3 {
  color: var(--foreground);
  margin-bottom: 1rem;
}

.calculator-info h2 {
  font-size: 1.5rem;
  font-weight: 700;
}

.calculator-info h3 {
  font-size: 1.25rem;
  font-weight: 600;
}

.calculator-info p {
  color: var(--muted-foreground);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.related-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

.related-links a {
  display: inline-block;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--primary);
  background: var(--secondary);
  border-radius: calc(var(--radius) - 0.25rem);
  text-decoration: none;
  transition: all 0.2s;
}

.related-links a:hover {
  background: var(--primary);
  color: var(--primary-foreground);
}

.calculator-info ul {
  margin: 1rem 0;
  padding-left: 1.5rem;
}

.calculator-info li {
  color: var(--muted-foreground);
  line-height: 1.6;
  margin-bottom: 0.5rem;
}

.content-image {
  margin: 1.5rem 0;
  text-align: center;
}

.image-placeholder {
  display: -webkit-box;
  display: -webkit-flex;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -webkit-flex-direction: column;
  -webkit-box-align: center;
  -webkit-align-items: center;
  -webkit-box-pack: center;
  -webkit-justify-content: center;
  justify-content: center;
  width: 100%;
  max-width: 400px;
  min-height: 150px;
  background: var(--secondary);
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  color: var(--muted-foreground);
  margin: 0 auto;
}

.image-placeholder svg {
  margin-bottom: 0.75rem;
  opacity: 0.5;
}

.image-placeholder span {
  font-size: 0.875rem;
}

/* FAQ */
.faq-section {
  margin: 2rem 0;
}

.faq-section h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--foreground);
  margin-bottom: 1.5rem;
}

.faq-item {
  margin-bottom: 0.75rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.faq-item summary {
  padding: 1rem 1.25rem;
  font-weight: 500;
  color: var(--foreground);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--muted-foreground);
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.faq-item[open] summary::after {
  content: '−';
}

.faq-item summary:hover {
  background: var(--secondary);
}

.faq-item[open] summary {
  border-bottom: 1px solid var(--border);
}

.faq-item summary h3 {
  font-size: 1rem;
  font-weight: 600;
  margin: 0;
}

.faq-item p {
  padding: 0 1.25rem 1.25rem;
  color: var(--muted-foreground);
  line-height: 1.6;
  margin: 0;
}

/* Related Tools */
.related-tools {
  margin: 2rem 0;
}

.related-tools h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--foreground);
  margin-bottom: 1.5rem;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.related-card {
  display: block;
  padding: 1.25rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  transition: all 0.2s;
}

.related-card:hover {
  border-color: var(--primary);
}

.related-card h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--foreground);
  margin-bottom: 0.375rem;
}

.related-card p {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  margin: 0;
}

.related-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--secondary);
  color: var(--primary);
  margin-bottom: 0.75rem;
}

.related-title {
  display: block;
  font-size: 1rem;
  font-weight: 600;
  color: var(--foreground);
  margin-bottom: 0.375rem;
}

.related-desc {
  display: block;
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

/* Ad Containers */
.ad-container {
  margin: 1.5rem 0;
}

.ad-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.ad-label {
  font-size: 0.75rem;
  color: var(--muted-foreground);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.ad-unit {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--secondary);
  border: 1px dashed var(--border);
  color: var(--muted-foreground);
  font-size: 0.875rem;
}

.ad-unit.leaderboard {
  width: 728px;
  height: 90px;
  max-width: 100%;
}

.ad-unit.rectangle {
  width: 300px;
  height: 250px;
  max-width: 100%;
}

.ad-unit.multiplex {
  width: 970px;
  height: 250px;
  max-width: 100%;
}

.ad-container.ad-content {
  margin: 2rem auto;
  max-width: 900px;
  display: flex;
  justify-content: center;
}

.ad-container.ad-inline {
  margin: 1.5rem auto;
  display: flex;
  justify-content: center;
}

.ad-container.ad-incontent {
  margin: 2rem auto;
  display: flex;
  justify-content: center;
}

/* Responsive */
@media (max-width: 768px) {
  .calculator-card {
    grid-template-columns: 1fr;
    padding: 1rem;
  }
  
  .form-row {
    flex-direction: column;
  }
  
  .form-row-inline {
    grid-template-columns: 1fr;
  }
  
  .result-grid {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
    padding: 1rem 0;
    width: 100%;
  }

  .result-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 1rem;
  }

  .result-box .result-value,
  .result-row .result-value {
    font-size: 1.5rem;
  }
  
  .calculator-header h1 {
    font-size: 1.5rem;
  }
  
  .currency-percent-input {
    flex-direction: column;
    align-items: stretch;
  }
  
  .currency-percent-input select {
    width: 100%;
  }
  
  .action-buttons {
    flex-direction: column;
  }
  
  .action-btn.primary {
    flex: none;
  }
  
  .ad-unit.leaderboard,
  .ad-unit.multiplex {
    width: 100%;
    height: auto;
    min-height: 90px;
  }
  
  .mortgage-rates {
    padding: 0.75rem;
  }
  
  .rates-values {
    gap: 0.5rem;
  }
  
  .rates-values span {
    font-size: 0.8125rem;
  }
  
  .rates-actions {
    flex-direction: column;
  }
  
  .rates-actions .action-btn.small {
    width: 100%;
    text-align: center;
  }
}

/* Dark mode table improvements */
.dark .schedule-table th,
.dark .amortization-table th {
  background: hsl(215 25% 18%);
}

.dark .schedule-table td,
.dark .amortization-table td {
  border-color: hsl(215 25% 20%);
}

.dark .tier-table th {
  background: hsl(215 25% 18%);
}

.dark .tier-table td {
  border-color: hsl(215 25% 20%);
}

.dark .mortgage-rates {
  background: hsl(215 25% 14%);
  border-color: hsl(215 25% 20%);
}

.dark .tier-table input[type="number"] {
  background: hsl(215 25% 15%);
  border-color: hsl(215 25% 25%);
  color: hsl(210 20% 98%);
}

.dark .tier-table input[type="number"]:focus {
  border-color: var(--primary);
}

.dark .tier-table select {
  background: hsl(215 25% 15%);
  border-color: hsl(215 25% 25%);
  color: hsl(210 20% 98%);
}

/* Investment Calculator Specific Styles */
.form-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  padding: 0.5rem;
  background: var(--secondary);
  border-radius: calc(var(--radius) - 0.25rem);
}

.form-tabs .tab-btn {
  padding: 0.625rem 0.875rem;
  font-size: 0.8125rem;
  font-weight: 500;
  background: transparent;
  border: none;
  border-radius: calc(var(--radius) - 0.375rem);
  color: var(--muted-foreground);
  cursor: pointer;
  transition: all 0.2s ease;
}

.form-tabs .tab-btn:hover {
  background: var(--card);
  color: var(--foreground);
}

.form-tabs .tab-btn.active {
  background: var(--primary);
  color: var(--primary-foreground);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.currency-input {
  display: flex;
  align-items: center;
  border: 1px solid var(--input);
  border-radius: calc(var(--radius) - 0.25rem);
  background: var(--background);
  overflow: hidden;
}

.currency-input:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.currency-input .currency-symbol {
  padding: 0.75rem;
  background: var(--secondary);
  color: var(--muted-foreground);
  font-weight: 500;
}

.currency-input input {
  flex: 1;
  border: none;
  padding: 0.75rem;
  font-size: 1rem;
  background: transparent;
  min-width: 0;
}

.currency-input input:focus {
  outline: none;
}

.currency-input .input-suffix {
  padding: 0.75rem;
  background: var(--secondary);
  color: var(--muted-foreground);
  font-size: 0.875rem;
  white-space: nowrap;
}

.percent-input {
  display: flex;
  align-items: center;
  border: 1px solid var(--input);
  border-radius: calc(var(--radius) - 0.25rem);
  background: var(--background);
  overflow: hidden;
}

.percent-input:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.percent-input input {
  flex: 1;
  border: none;
  padding: 0.75rem;
  font-size: 1rem;
  background: transparent;
  min-width: 0;
}

.percent-input input:focus {
  outline: none;
}

.percent-input .percent-symbol {
  padding: 0.75rem;
  background: var(--secondary);
  color: var(--muted-foreground);
  font-weight: 500;
}

.currency-input input {
  flex: 1;
  border: none;
  padding: 0.75rem;
  font-size: 1rem;
  background: transparent;
  color: var(--foreground);
  min-width: 0;
}

.currency-input input:focus {
  outline: none;
}

.frequency-select {
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 0.375rem;
  background: var(--card);
  color: var(--foreground);
  font-size: 0.875rem;
  cursor: pointer;
  white-space: nowrap;
}

.radio-group-label {
  font-weight: 500;
  margin-bottom: 0.5rem;
  font-size: 0.9375rem;
}

.radio-group {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.radio-group.horizontal {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 0.75rem;
}

.radio-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  font-size: 0.9375rem;
}

.radio-label input[type="radio"] {
  width: 1rem;
  height: 1rem;
  accent-color: var(--primary);
  cursor: pointer;
}

.result-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.result-header h2 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--foreground);
  margin: 0;
}

.save-btn {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  font-weight: 500;
  background: var(--secondary);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) - 0.25rem);
  color: var(--foreground);
  cursor: pointer;
  transition: all 0.2s ease;
}

.save-btn:hover {
  background: var(--border);
}

.schedule-controls {
  margin-bottom: 1rem;
}

.schedule-controls select {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) - 0.25rem);
  background: var(--card);
  color: var(--foreground);
  cursor: pointer;
}

.schedule-table-container {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) - 0.25rem);
}

.schedule-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.schedule-table th,
.schedule-table td {
  padding: 0.75rem 1rem;
  text-align: right;
  border-bottom: 1px solid var(--border);
}

.schedule-table th:first-child,
.schedule-table td:first-child {
  text-align: left;
}

.schedule-table th {
  background: var(--secondary);
  font-weight: 600;
  color: var(--foreground);
}

.schedule-table tr:last-child td {
  border-bottom: none;
}

.schedule-table .year-end td {
  background: var(--secondary);
  font-weight: 600;
  text-align: center;
  color: var(--primary);
}

.form-section {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

.form-actions .btn-primary,
.form-actions .btn-secondary {
  padding: 0.75rem 1.5rem;
  font-size: 0.9375rem;
  font-weight: 600;
  border: none;
  border-radius: calc(var(--radius) - 0.25rem);
  cursor: pointer;
  transition: all 0.2s ease;
}

.form-actions .btn-primary {
  background: linear-gradient(135deg, hsl(242 85% 55%), hsl(262 85% 55%));
  color: white;
}

.form-actions .btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.form-actions .btn-secondary {
  background: var(--secondary);
  color: var(--foreground);
  border: 1px solid var(--border);
}

.form-actions .btn-secondary:hover {
  background: var(--border);
}

.input-suffix {
  padding: 0.75rem;
  background: var(--secondary);
  color: var(--muted-foreground);
  font-size: 0.875rem;
  border: 1px solid var(--input);
  border-radius: 0 calc(var(--radius) - 0.25rem) calc(var(--radius) - 0.25rem) 0;
  white-space: nowrap;
}

.currency-percent-input.single input {
  border-radius: calc(var(--radius) - 0.25rem) 0 0 calc(var(--radius) - 0.25rem);
}

@media (max-width: 768px) {
  .form-tabs {
    flex-direction: column;
  }
  
  .form-tabs .tab-btn {
    width: 100%;
    text-align: center;
  }
  
  .calculator-card {
    grid-template-columns: 1fr;
    padding: 1rem;
  }
  
  .radio-group {
    flex-direction: column;
    gap: 0.75rem;
  }
  
  .radio-group.horizontal {
    grid-template-columns: 1fr;
  }
  
  .form-actions {
    flex-direction: column;
  }
  
  .form-actions button {
    width: 100%;
  }
}

/* Inflation Table Section */
.inflation-table-section {
  margin: 2rem 0;
  padding: 1.5rem;
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.inflation-table-section h2 {
  margin-bottom: 0.5rem;
  color: var(--foreground);
}

.inflation-table-section > p {
  margin-bottom: 1rem;
  color: var(--muted-foreground);
}

.table-container {
  overflow-x: auto;
}

.inflation-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.inflation-table th,
.inflation-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.inflation-table th {
  background: var(--secondary);
  font-weight: 600;
  color: var(--foreground);
}

.inflation-table td {
  color: var(--foreground);
}

.inflation-table tr:hover {
  background: var(--secondary);
}

.dark .inflation-table th {
  background: hsl(215 25% 18%);
}

/* Instruction Image */
.instruction-image {
  text-align: center;
  margin: 1rem 0;
}

.instruction-box {
  display: inline-block;
  padding: 0.75rem 2rem;
  background: linear-gradient(180deg, #f0f9ff 0%, #e0f2fe 100%);
  border: 1px solid #0ea5e9;
  border-radius: 8px;
  color: #0369a1;
  font-size: 0.875rem;
  font-weight: 500;
}

.dark .instruction-box {
  background: linear-gradient(180deg, hsl(215 25% 15%) 0%, hsl(215 25% 12%) 100%);
  border-color: hsl(199 89% 48%);
  color: hsl(199 89% 70%);
}

/* Content Image Placeholders */
.content-image {
  margin: 2rem 0;
  text-align: center;
}

.image-placeholder {
  display: -webkit-box;
  display: -webkit-flex;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -webkit-flex-direction: column;
  -webkit-box-align: center;
  -webkit-align-items: center;
  -webkit-box-pack: center;
  -webkit-justify-content: center;
  justify-content: center;
  width: 100%;
  max-width: 400px;
  height: 200px;
  background: linear-gradient(135deg, var(--secondary) 0%, var(--card) 100%);
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  color: var(--muted-foreground);
  padding: 2rem;
  margin: 0 auto;
}

.image-placeholder svg {
  margin-bottom: 1rem;
  opacity: 0.5;
}

.image-placeholder span {
  font-size: 0.875rem;
  font-weight: 500;
}

.dark .image-placeholder {
  background: linear-gradient(135deg, hsl(215 25% 18%) 0%, hsl(215 25% 12%) 100%);
  border-color: hsl(215 25% 25%);
  color: hsl(215 20% 65%);
}

/* Print Styles */
@media print {
  .ad-container,
  .table-of-contents,
  .calculator-info,
  .faq-section,
  .related-tools,
  .footer,
  .theme-toggle,
  .save-btn,
  .content-image,
  .amortization-section,
  .expand-btn,
  .header,
  .calc-tabs,
  .calculator-tabs,
  .calc-tab-content:not(.active),
  .tab-content:not(.active) {
    display: none !important;
  }
  
  .main {
    padding: 0 !important;
    margin: 0 !important;
  }
  
  .calculator-page {
    padding: 0;
  }
  
  .calculator-header {
    padding: 0.5rem 0;
  }
  
  .calculator-header h1 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
  }
  
  .calculator-header .intro-text {
    display: none;
  }
  
  .calculator-card {
    box-shadow: none;
    border: 1px solid #ccc;
    display: block !important;
  }
  
  .calc-form,
  .calc-results {
    display: block !important;
    width: 100% !important;
    padding: 0.5rem;
    float: none !important;
    visibility: visible !important;
    opacity: 1 !important;
  }
  
  .calc-results {
    page-break-before: auto;
  }
  
  .budget-summary-table,
  .dti-section,
  .chart-container,
  .expense-breakdown-section {
    visibility: visible !important;
    display: block !important;
  }
  
  .tab-content {
    display: none !important;
  }
  
  .tab-content.active {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
  }
  
  .calc-form,
  .calc-results {
    display: block !important;
    width: 100% !important;
    padding: 0.5rem;
  }
  
  .calc-form {
    border-bottom: 1px solid #ccc;
    margin-bottom: 0.5rem;
  }
  
  .form-group {
    display: inline-block;
    width: auto;
    margin-right: 1rem;
    margin-bottom: 0.5rem;
  }
  
  .form-group label {
    font-size: 0.8rem;
  }
  
  .form-group input,
  .form-group select {
    padding: 0.25rem;
    font-size: 0.9rem;
  }
  
  .action-buttons,
  .form-actions {
    display: none;
  }
  
  .result-section {
    margin-bottom: 0.5rem;
  }
  
  .result-box {
    padding: 0.5rem;
    margin-bottom: 0.25rem;
  }
  
  .result-box.primary {
    padding: 0.75rem;
  }
  
  .result-value {
    font-size: 1rem;
  }
  
  .chart-container {
    height: 150px !important;
    max-width: 250px;
    page-break-inside: avoid;
    margin: 0.5rem 0;
    visibility: visible !important;
    display: block !important;
  }
  
  .summary-box {
    box-shadow: none;
    border: 1px solid #ccc;
    padding: 0.5rem;
    margin-top: 0.5rem;
  }
  
  .summary-item {
    display: inline-block;
    width: auto;
    margin-right: 1rem;
    padding: 0.25rem;
  }
  
  /* Budget Calculator Print Styles */
  .budget-summary-table,
  .expense-breakdown-section {
    page-break-inside: avoid;
  }
  
  .budget-summary-table table,
  .breakdown-table {
    font-size: 10px;
    width: 100%;
  }
  
  .budget-summary-table th,
  .budget-summary-table td,
  .breakdown-table th,
  .breakdown-table td {
    padding: 0.25rem;
    font-size: 10px;
  }
  
  .dti-section {
    page-break-inside: avoid;
    font-size: 10px;
  }
  
  .result-section-title {
    font-size: 12px;
  }
  
  /* Macro Calculator Print Styles */
  .macro-tabs {
    display: flex !important;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
  }
  
  .macro-tab-btn {
    padding: 0.25rem 0.5rem;
    font-size: 10px;
    border: 1px solid #ccc;
    background: #f5f5f5 !important;
  }
  
  .macro-tab-btn.active {
    background: #333 !important;
    color: white !important;
  }
  
  .macro-results-table {
    page-break-inside: avoid;
    margin-bottom: 1rem;
    border: 1px solid #ccc;
  }
  
  .macro-result-row {
    display: flex;
    flex-wrap: wrap;
    padding: 0.375rem 0.5rem;
    border-bottom: 1px solid #eee;
  }
  
  .macro-result-label {
    font-weight: 600;
    min-width: 80px;
  }
  
  .macro-result-value {
    font-weight: 600;
  }
  
  .macro-result-range {
    font-size: 10px;
    color: #666;
  }
  
  .result-disclaimer {
    font-size: 9px;
    font-style: italic;
    color: #666;
    margin-top: 0.5rem;
  }
  
  .custom-macro-inputs {
    display: flex !important;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
  }
  
  .custom-macro-row {
    flex: 1;
  }
  
  .custom-macro-row input {
    width: 60px;
    padding: 0.25rem;
    font-size: 10px;
  }
  
  body {
    background: white !important;
    color: black !important;
    font-size: 12px;
  }
  
  * {
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }
  
  /* One Rep Max Calculator Print Styles */
  .orm-section {
    page-break-inside: avoid;
    margin-bottom: 0.75rem;
  }
  
  .orm-reps-table {
    border: 1px solid #ccc;
    margin-bottom: 0.5rem;
  }
  
  .orm-reps-row {
    border-bottom: 1px solid #eee;
    padding: 0.25rem 0.5rem;
    font-size: 10px;
  }
  
  .orm-reps-header {
    background: #333 !important;
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
    padding: 0.25rem 0.5rem;
    font-size: 9px;
  }
  
  .orm-result-table {
    font-size: 9px;
    border: 1px solid #ccc;
    margin-bottom: 0.5rem;
  }
  
  .orm-result-table th,
  .orm-result-table td {
    padding: 0.25rem 0.375rem;
    font-size: 9px;
  }
  
  .orm-result-table th {
    background: #333 !important;
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
    font-size: 8px;
  }
}

/* Tax Calculator Mobile Responsive */
@media (max-width: 768px) {
  .calculator-card {
    display: flex;
    flex-direction: column;
    padding: 1rem;
    gap: 1rem;
    border-radius: calc(var(--radius) - 0.25rem);
  }
  
  .calc-form {
    padding: 1rem;
    gap: 1rem;
  }
  
  .calc-results {
    padding: 1rem;
    gap: 0.75rem;
  }
  
  .form-row {
    flex-direction: column;
    gap: 0.75rem;
  }
  
  .form-row .form-group {
    width: 100%;
    min-width: 0;
  }
  
  .form-section-title {
    font-size: 0.75rem;
    padding-bottom: 0.375rem;
    margin-bottom: 0.375rem;
  }
  
  .radio-group.horizontal {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
  
  .radio-label {
    font-size: 0.875rem;
    padding: 0.5rem;
    background: var(--secondary);
    border-radius: calc(var(--radius) - 0.25rem);
  }
  
  .action-buttons {
    flex-direction: column;
    gap: 0.5rem;
  }
  
  .action-btn {
    width: 100%;
    justify-content: center;
    padding: 0.75rem 1rem;
  }
  
  .result-section {
    padding: 0.75rem;
  }
  
  .result-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
    padding: 0.625rem 0;
  }
  
  .result-row span:first-child {
    font-size: 0.8125rem;
    color: var(--muted-foreground);
  }
  
  .result-row span:last-child {
    font-size: 1rem;
    font-weight: 600;
  }
  
  .result-row.highlight {
    padding: 0.75rem;
    border-radius: calc(var(--radius) - 0.25rem);
  }
  
  .chart-container {
    height: 220px;
    margin: 0.75rem 0;
  }
  
  .chart-section {
    padding: 1rem;
    margin-top: 1rem;
  }
  
  .chart-section h3 {
    font-size: 1rem;
  }
  
  .schedule-section {
    padding: 1rem;
  }
  
  .expand-btn {
    width: 100%;
    padding: 0.75rem;
    font-size: 0.875rem;
  }
  
  .table-of-contents {
    padding: 1rem;
  }
  
  .table-of-contents h2 {
    font-size: 1rem;
  }
  
  .table-of-contents ul {
    padding-left: 1rem;
  }
  
  .table-of-contents li {
    margin-bottom: 0.5rem;
  }
  
  .calculator-info {
    padding: 1rem;
  }
  
  .calculator-info article {
    padding: 1rem;
  }
  
  .calculator-info h2,
  .calculator-info h3 {
    font-size: 1.125rem;
  }
  
  .calculator-info p {
    font-size: 0.875rem;
    line-height: 1.6;
  }
  
  .faq-section {
    padding: 1rem;
  }
  
  .faq-section h2 {
    font-size: 1.125rem;
  }
  
  .faq-item summary {
    font-size: 0.875rem;
    padding: 0.75rem;
  }
  
  .faq-item p {
    font-size: 0.8125rem;
    padding: 0.75rem;
  }
  
  .related-tools {
    padding: 1rem;
  }
  
  .related-grid {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }
  
  .related-card {
    padding: 1rem;
  }
  
  .related-card h3 {
    font-size: 1rem;
  }
  
  .related-card p {
    font-size: 0.8125rem;
  }
  
  .ad-container {
    padding: 0.5rem;
  }
  
  .ad-unit {
    min-height: 100px;
  }
  
  .ad-unit.rectangle {
    height: 250px;
  }
  
  .ad-unit.leaderboard {
    height: 90px;
  }
  
  .footer-content {
    flex-direction: column;
    gap: 2rem;
  }
  
  .footer-links {
    flex-direction: column;
    gap: 1.5rem;
  }
}

@media (max-width: 480px) {
  .calculator-header {
    padding: 1rem 0.5rem;
  }
  
  .calculator-header h1 {
    font-size: 1.5rem;
  }
  
  .calculator-header .intro-text {
    font-size: 0.875rem;
  }
  
.calc-form {
  padding: 1rem;
  min-width: 0;
}

.calc-results {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1rem;
  background: var(--card);
  border-radius: calc(var(--radius) - 0.25rem);
  border: 1px solid var(--border);
  min-width: 0;
  overflow-x: visible;
}
  
  .form-group label {
    font-size: 0.8125rem;
  }
  
  .form-group input,
  .form-group select {
    padding: 0.625rem 0.75rem;
    font-size: 0.9375rem;
  }
  
  .result-title {
    font-size: 1rem;
    margin-bottom: 0.5rem;
  }
  
  .result-section-title {
    font-size: 0.75rem;
  }
  
  .result-row span:first-child {
    font-size: 0.75rem;
  }
  
  .result-row span:last-child {
    font-size: 0.9375rem;
  }
  
  .chart-container {
    height: 200px;
  }
}

/* Tax Rates Table */
.tax-rates-section {
  margin-top: 1.5rem;
  padding: 1rem;
  background: var(--secondary);
  border-radius: var(--radius);
}

.tax-rates-section h4 {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--foreground);
  margin-bottom: 1rem;
}

.tax-rates-table-container {
  overflow-x: auto;
}

.tax-rates-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8125rem;
}

.tax-rates-table th,
.tax-rates-table td {
  padding: 0.5rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.tax-rates-table th {
  background: var(--primary);
  color: var(--primary-foreground);
  font-weight: 600;
}

.tax-rates-table tr:nth-child(even) {
  background: var(--card);
}

.dark .tax-rates-table th {
  background: hsl(242 85% 65%);
}

.dark .tax-rates-table tr:nth-child(even) {
  background: hsl(215 25% 15%);
}

/* Currency Rates Tables */
.rates-section {
  margin: 2rem 0;
}

.rates-section h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--foreground);
  margin-bottom: 0.25rem;
}

.rates-table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.rates-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.75rem;
  white-space: nowrap;
}

.rates-table th,
.rates-table td {
  padding: 0.35rem 0.5rem;
  text-align: center;
  border: 1px solid var(--border);
}

.rates-table th {
  background: var(--primary);
  color: var(--primary-foreground);
  font-weight: 600;
  font-size: 0.6875rem;
  position: sticky;
  top: 0;
}

.rates-table td {
  color: var(--foreground);
}

.rates-table td:first-child {
  text-align: left;
  font-weight: 500;
  background: var(--secondary);
  position: sticky;
  left: 0;
}

.rates-table tr:nth-child(even) td {
  background: var(--muted);
}

.rates-table tr:nth-child(even) td:first-child {
  background: var(--secondary);
}

.rates-table tr:hover td {
  background: hsl(242 85% 95%);
}

.rates-table tr:hover td:first-child {
  background: hsl(242 85% 92%);
}

.dark .rates-table td:first-child {
  background: hsl(215 25% 18%);
}

.dark .rates-table tr:nth-child(even) td {
  background: hsl(215 25% 14%);
}

.dark .rates-table tr:nth-child(even) td:first-child {
  background: hsl(215 25% 18%);
}

.dark .rates-table tr:hover td {
  background: hsl(242 50% 20%);
}

.dark .rates-table tr:hover td:first-child {
  background: hsl(242 50% 16%);
}

/* All Currencies table - narrower for 4 columns */
.rates-table-full th,
.rates-table-full td {
  padding: 0.35rem 0.75rem;
}

.rates-table-full td:first-child {
  white-space: nowrap;
  min-width: 140px;
}

@media (max-width: 768px) {
  .rates-table {
    font-size: 0.6875rem;
  }

  .rates-table th,
  .rates-table td {
    padding: 0.3rem 0.4rem;
  }

  .rates-table td:first-child {
    min-width: auto;
  }

  .rates-table-full td:first-child {
    min-width: 120px;
  }

  .rates-section h2 {
    font-size: 1.1rem;
  }
}

@media (max-width: 480px) {
  .rates-table {
    font-size: 0.625rem;
  }

  .rates-table th,
  .rates-table td {
    padding: 0.25rem 0.3rem;
  }

  .rates-table-full td:first-child {
    min-width: 100px;
  }
}

/* Social Security Bar Chart */
.ss-bar-chart {
  margin-bottom: 1.5rem;
  padding: 1rem;
  background: var(--secondary);
  border-radius: var(--radius);
}

.ss-bar-chart .chart-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--foreground);
  margin-bottom: 1rem;
  text-align: center;
}

.bar-chart-container {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.bar-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.bar-item .bar-label {
  min-width: 60px;
  font-size: 0.8125rem;
  color: var(--muted-foreground);
  text-align: right;
}

.bar-item .bar-track {
  flex: 1;
  height: 20px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
}

.bar-item .bar-fill {
  height: 100%;
  background: linear-gradient(90deg, hsl(242 85% 55%), hsl(262 85% 55%));
  border-radius: 4px;
  transition: width 0.3s ease;
  min-width: 0;
}

.dark .bar-item .bar-fill {
  background: linear-gradient(90deg, hsl(242 85% 65%), hsl(262 85% 65%));
}

.bar-item .bar-value {
  min-width: 70px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--foreground);
  text-align: right;
}

.chart-note {
  font-size: 0.75rem;
  color: var(--muted-foreground);
  text-align: center;
  margin-top: 0.75rem;
  margin-bottom: 0;
}

.chart-legend {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.chart-legend .legend-item {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.8125rem;
  color: var(--foreground);
}

.chart-legend .legend-color {
  width: 12px;
  height: 12px;
  border-radius: 3px;
}

/* Balance Table */
.balance-table-container {
  margin-top: 1.5rem;
  padding: 1rem;
  background: var(--secondary);
  border-radius: var(--radius);
}

.balance-table-container .result-section-title {
  margin-bottom: 1rem;
}

.table-wrapper {
  overflow-x: auto;
}

.balance-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.balance-table th,
.balance-table td {
  padding: 0.5rem 0.75rem;
  text-align: right;
  border-bottom: 1px solid var(--border);
}

.balance-table th {
  font-weight: 600;
  color: var(--foreground);
  background: var(--muted);
}

.balance-table th:first-child,
.balance-table td:first-child {
  text-align: left;
}

.balance-table tbody tr:hover {
  background: var(--muted);
}

.balance-chart {
  margin-bottom: 1rem;
  min-height: 20px;
}

.cards-table-container {
  overflow-x: auto;
  margin-bottom: 1rem;
}

.cards-input-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.cards-input-table th {
  text-align: left;
  padding: 0.5rem;
  font-weight: 600;
  color: var(--foreground);
  border-bottom: 2px solid var(--border);
}

.cards-input-table td {
  padding: 0.5rem;
  vertical-align: middle;
}

.cards-input-table td:first-child {
  color: var(--muted-foreground);
  font-weight: 500;
  width: 40px;
}

.card-name-input,
.card-balance-input,
.card-min-input,
.card-rate-input {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.875rem;
  background: var(--card);
  color: var(--foreground);
}

.card-name-input {
  width: 120px;
}

.card-balance-input,
.card-min-input {
  width: 90px;
}

.card-rate-input {
  width: 70px;
}

.payoff-cards-section {
  margin-top: 1.5rem;
}

.payoff-cards-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.payoff-cards-table th {
  text-align: left;
  padding: 0.75rem;
  font-weight: 600;
  color: var(--foreground);
  background: var(--secondary);
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
}

.payoff-cards-table td {
  padding: 0.75rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.payoff-cards-table td:last-child {
  white-space: normal;
  font-size: 0.8125rem;
  line-height: 1.5;
}

.payoff-cards-table tbody tr:hover {
  background: var(--muted);
}

.dark .payoff-cards-table th {
  background: hsl(215 25% 18%);
}

/* Debt Consolidation Calculator */
.debts-table-input {
  margin-bottom: 1.5rem;
}

.debts-input-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1rem;
}

.debts-input-table th {
  text-align: left;
  padding: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--muted-foreground);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border);
}

.debts-input-table td {
  padding: 0.5rem;
  vertical-align: middle;
}

.debts-input-table input {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--input);
  border-radius: calc(var(--radius) - 0.25rem);
  font-size: 0.875rem;
  background: var(--card);
  color: var(--foreground);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.debts-input-table input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px hsla(var(--primary-rgb), 0.1);
}

.debts-input-table .debt-balance,
.debts-input-table .debt-payment {
  width: 100px;
}

.debts-input-table .debt-rate {
  width: 80px;
}

.btn-remove-debt {
  background: none;
  border: none;
  color: var(--muted-foreground);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  border-radius: calc(var(--radius) - 0.25rem);
  transition: background-color 0.2s, color 0.2s;
}

.btn-remove-debt:hover {
  background: hsl(0 84% 60%);
  color: white;
}

.currency-percent-input.dual {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.currency-percent-input.dual input {
  width: 80px;
}

.currency-percent-input.dual .input-suffix {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  white-space: nowrap;
}

.result-summary {
  margin-bottom: 1.5rem;
  padding: 1rem;
  border-radius: calc(var(--radius) - 0.25rem);
  background: var(--secondary);
}

.summary-message {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--foreground);
}

.summary-message.positive {
  background: hsl(142 76% 36% / 0.1);
  border-left: 4px solid hsl(142 76% 36%);
}

.summary-message.negative {
  background: hsl(0 84% 60% / 0.1);
  border-left: 4px solid hsl(0 84% 60%);
}

.comparison-table-container {
  margin-bottom: 1.5rem;
  overflow-x: auto;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.comparison-table th,
.comparison-table td {
  padding: 0.75rem;
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.comparison-table th {
  font-weight: 600;
  color: var(--foreground);
  background: var(--secondary);
}

.comparison-table th:first-child,
.comparison-table td:first-child {
  text-align: left;
  font-weight: 500;
  color: var(--muted-foreground);
}

.comparison-table .row-label {
  font-weight: 500;
  color: var(--muted-foreground);
}

.comparison-table .total-row td {
  font-weight: 700;
  border-top: 2px solid var(--border);
  background: var(--secondary);
}

.comparison-table td.positive {
  color: hsl(142 76% 36%);
}

.comparison-table td.negative {
  color: hsl(0 84% 60%);
}

.dark .comparison-table th {
  background: hsl(215 25% 18%);
}

.dark .comparison-table .total-row td {
  background: hsl(215 25% 18%);
}

.highlight-item .summary-value.positive {
  color: hsl(142 76% 36%);
  font-weight: 700;
}

.highlight-item .summary-value.negative {
  color: hsl(0 84% 60%);
  font-weight: 700;
}

@media (max-width: 768px) {
  .debts-input-table {
    font-size: 0.75rem;
  }
  
  .debts-input-table th,
  .debts-input-table td {
    padding: 0.25rem;
  }
  
  .debts-input-table input {
    padding: 0.375rem 0.5rem;
    font-size: 0.75rem;
  }
  
  .debts-input-table .debt-balance,
  .debts-input-table .debt-payment {
    width: 60px;
  }

  .debts-input-table .debt-rate {
    width: 70px;
  }
  
  .comparison-table {
    font-size: 0.75rem;
  }
  
  .comparison-table th,
  .comparison-table td {
    padding: 0.5rem 0.25rem;
  }
}

/* Debt Input Grid */
.debts-input-grid {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.debt-input-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: 0.75rem;
  align-items: end;
}

.debt-input-row .form-group {
  margin-bottom: 0;
}

.debt-input-row .form-group label {
  font-size: 0.75rem;
}

.result-placeholder {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--muted-foreground);
}

.result-placeholder p {
  font-size: 1rem;
  line-height: 1.6;
}

@media (max-width: 768px) {
  .debt-input-row {
    grid-template-columns: 1fr 1fr;
  }
  
  .debt-input-row .form-group:first-child {
    grid-column: 1 / -1;
  }
}

/* Student Loan Calculator Tabs */
.calculator-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 0.75rem 1.5rem;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--foreground);
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.2s;
}

.tab-btn:hover {
  background: var(--secondary);
}

.tab-btn.active {
  background: var(--primary);
  color: var(--primary-foreground);
  border-color: var(--primary);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: grid;
}

.form-description {
  color: var(--muted-foreground);
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
  line-height: 1.5;
}

.comparison-summary {
  margin-bottom: 1.5rem;
  padding: 1rem;
  background: var(--secondary);
  border-radius: calc(var(--radius) - 0.25rem);
  border-left: 4px solid var(--primary);
}

.comparison-intro {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--foreground);
}

.savings-box {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.savings-item {
  flex: 1;
  padding: 1rem;
  background: var(--secondary);
  border-radius: calc(var(--radius) - 0.25rem);
  text-align: center;
}

.savings-item.highlight {
  background: hsl(142 76% 36% / 0.1);
  border: 2px solid hsl(142 76% 36%);
}

.savings-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--muted-foreground);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.savings-value {
  display: block;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--foreground);
}

.savings-item.highlight .savings-value {
  color: hsl(142 76% 36%);
}

@media (max-width: 768px) {
  .calculator-tabs {
    flex-direction: row;
  }
  
  .tab-btn {
    flex: 1;
    padding: 0.75rem 0.75rem;
    font-size: 0.875rem;
    text-align: center;
  }
  
  .savings-box {
    flex-direction: column;
  }
}

/* Roth IRA Comparison Table */
.result-table-container {
  margin-bottom: 1.5rem;
}

.result-comparison-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
}

.result-comparison-table th,
.result-comparison-table td {
  padding: 1rem 1.5rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.result-comparison-table th {
  background: var(--muted);
  font-weight: 600;
  color: var(--foreground);
}

.result-comparison-table th:not(:first-child),
.result-comparison-table td:not(:first-child) {
  text-align: right;
}

.result-comparison-table .row-label {
  font-weight: 500;
  color: var(--foreground);
}

.result-comparison-table .value-primary {
  font-weight: 700;
  color: #16a34a;
  font-size: 1.125rem;
}

.result-comparison-table td:not(.value-primary) {
  font-weight: 600;
  font-size: 1.125rem;
  color: var(--foreground);
}

.result-comparison-table tr:last-child td {
  border-bottom: none;
}

.result-comparison-table tbody tr:hover {
  background: var(--muted);
}

/* Result Banner for Cash Back vs Low Interest */
.result-banner {
  padding: 1.5rem;
  border-radius: var(--radius);
  margin-bottom: 1.5rem;
  border-left: 4px solid;
}

.result-banner.winner-low {
  background: linear-gradient(135deg, hsl(142, 76%, 95%), hsl(142, 76%, 90%));
  border-left-color: hsl(142, 76%, 45%);
}

.result-banner.winner-low h2 {
  color: hsl(142, 76%, 25%);
}

.result-banner.winner-cash {
  background: linear-gradient(135deg, hsl(242, 85%, 95%), hsl(242, 85%, 90%));
  border-left-color: hsl(242, 85%, 55%);
}

.result-banner.winner-cash h2 {
  color: hsl(242, 85%, 35%);
}

.result-banner h2 {
  margin: 0 0 0.5rem 0;
  font-size: 1.25rem;
}

.result-banner p {
  margin: 0;
  color: var(--foreground);
}

.dark .result-banner.winner-low {
  background: linear-gradient(135deg, hsl(142, 76%, 15%), hsl(142, 76%, 12%));
}

.dark .result-banner.winner-cash {
  background: linear-gradient(135deg, hsl(242, 85%, 15%), hsl(242, 85%, 12%));
}

/* Margin Calculator Visual Bar */
.result-visual {
  margin-top: 1.5rem;
  padding: 1rem;
  background: var(--secondary);
  border-radius: var(--radius);
}

.margin-bar {
  display: flex;
  height: 30px;
  border-radius: 4px;
  overflow: hidden;
  background: var(--border);
}

.margin-cost {
  background: hsl(215 20% 85%);
  transition: width 0.3s ease;
}

.dark .margin-cost {
  background: hsl(215 25% 25%);
}

.margin-profit {
  background: hsl(142, 76%, 55%);
  transition: width 0.3s ease;
}

.margin-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 0.5rem;
  font-size: 0.75rem;
  color: var(--muted-foreground);
}

.margin-labels span {
  text-align: center;
}

.margin-labels span:first-child {
  width: var(--cost-width, 50%);
  text-align: left;
}

.margin-labels span:last-child {
  text-align: right;
}

/* Calculator Tabs */
.calculator-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 0.75rem 1.5rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--foreground);
  transition: all 0.2s ease;
}

.tab-btn:hover {
  background: var(--secondary);
}

.tab-btn.active {
  background: var(--primary);
  color: var(--primary-foreground);
  border-color: var(--primary);
}

/* Tab Content */
.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* Form Section Title */
.form-section-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--foreground);
}

.form-description {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  margin-bottom: 1.5rem;
}

/* Budget Calculator Styles */
.budget-summary-table {
  margin-bottom: 1.5rem;
}

.budget-summary-table .result-table {
  width: 100%;
  border-collapse: collapse;
}

.budget-summary-table .result-table th,
.budget-summary-table .result-table td {
  padding: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.budget-summary-table .result-table th:first-child,
.budget-summary-table .result-table td:first-child {
  text-align: left;
}

.budget-summary-table .result-table th:not(:first-child),
.budget-summary-table .result-table td:not(:first-child) {
  text-align: right;
}

.budget-summary-table .result-table th {
  font-weight: 600;
  color: var(--muted-foreground);
  font-size: 0.875rem;
}

.budget-summary-table .result-table tr:last-child td {
  font-weight: 700;
}

.budget-summary-table .net-row.deficit td {
  color: #ef4444;
}

.budget-summary-table .net-row.surplus td {
  color: #22c55e;
}

/* DTI Section */
.dti-section {
  background: var(--secondary);
  border-radius: var(--radius);
  padding: 1rem;
  margin-bottom: 1.5rem;
}

.dti-section .result-section-title {
  font-size: 1rem;
  margin-bottom: 0.75rem;
}

.dti-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
}

.dti-row:last-child {
  border-bottom: none;
}

.dti-label {
  font-weight: 500;
  color: var(--foreground);
}

.dti-value-container {
  text-align: right;
}

.dti-value {
  font-weight: 700;
  color: var(--primary);
  margin-right: 0.5rem;
}

.dti-message {
  font-size: 0.75rem;
  color: var(--muted-foreground);
}

/* Expense Breakdown Table */
.expense-breakdown-section {
  margin-top: 1.5rem;
}

.expense-breakdown-section .result-section-title {
  margin-bottom: 1rem;
}

.breakdown-table {
  width: 100%;
  border-collapse: collapse;
}

.breakdown-table th,
.breakdown-table td {
  padding: 0.625rem 0.5rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.875rem;
}

.breakdown-table th:first-child,
.breakdown-table td:first-child {
  text-align: left;
}

.breakdown-table th:not(:first-child):not(:last-child),
.breakdown-table td:not(:first-child):not(:last-child) {
  text-align: right;
}

.breakdown-table th {
  font-weight: 600;
  color: var(--muted-foreground);
}

.breakdown-table th:last-child,
.breakdown-table td:last-child {
  text-align: right;
}

.breakdown-table td:first-child {
  font-weight: 500;
}

.breakdown-table .sub-row td:first-child {
  padding-left: 1rem;
  font-weight: 400;
  color: var(--muted-foreground);
}

.breakdown-table .savings-note-row td {
  border-bottom: none;
  padding-top: 0;
}

.breakdown-table .savings-recommendation {
  font-size: 0.75rem;
  color: var(--muted-foreground);
  font-style: italic;
  text-align: left !important;
}

.percentage-cell {
  font-size: 0.75rem;
  color: var(--muted-foreground);
}

.percentage-cell .note {
  display: block;
  font-size: 0.7rem;
  color: var(--muted-foreground);
  opacity: 0.8;
  margin-top: 0.25rem;
}

.expense-breakdown-section .breakdown-table {
  table-layout: auto;
}

.expense-breakdown-section .breakdown-table td {
  vertical-align: middle;
  padding: 0.625rem 0.75rem;
}

.expense-breakdown-section .breakdown-table th {
  padding: 0.625rem 0.75rem;
  white-space: nowrap;
}

.expense-breakdown-section .breakdown-table td:nth-child(2),
.expense-breakdown-section .breakdown-table td:nth-child(3) {
  white-space: nowrap;
  text-align: right;
}

.expense-breakdown-section .breakdown-table td:last-child {
  text-align: right;
  min-width: 110px;
}

.expense-breakdown-section .breakdown-table .sub-row td {
  padding-top: 0.25rem;
  padding-bottom: 0.25rem;
}

.expense-breakdown-section .breakdown-table .sub-row td:first-child {
  padding-left: 1.5rem;
}

.expense-breakdown-section .breakdown-table .savings-note-row td {
  padding-top: 0.25rem;
  padding-bottom: 0.5rem;
  vertical-align: middle;
  border-bottom: none;
}

.expense-breakdown-section .percentage-cell .note {
  text-align: left;
  white-space: normal;
  line-height: 1.3;
}

/* Dark mode adjustments */
.dark .dti-section {
  background: hsl(215 25% 15%);
}

.dark .dti-value {
  color: var(--primary);
}

.dark .percentage-cell .note {
  color: hsl(215 20% 65%);
}

/* IRR Calculator Input Styles */
.calc-table {
  width: 100%;
  border-collapse: collapse;
}

.calc-table td {
  padding: 8px 4px;
  vertical-align: middle;
}

.calc-table td:first-child {
  text-align: left;
  font-weight: 500;
}

.calc-table td:last-child {
  text-align: right;
}

.calc-table.small td:first-child {
  text-align: left;
}

.calc-table.small td:last-child {
  text-align: right;
}

.infull {
  width: 100%;
  max-width: 250px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 1rem;
  background: var(--input);
  color: var(--foreground);
  transition: border-color 0.2s, box-shadow 0.2s;
}

select.infull {
  cursor: pointer;
}

.infull:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px var(--primary);
}

.inhalf {
  width: 100px;
  min-width: 100px;
  padding: 8px 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.875rem;
  background: var(--input);
  color: var(--foreground);
  transition: border-color 0.2s, box-shadow 0.2s;
}

select.inhalf {
  cursor: pointer;
  width: 100%;
}

.inhalf:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px var(--primary);
}

.innormal {
  width: 80px;
  min-width: 80px;
  padding: 8px 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 1rem;
  background: var(--input);
  color: var(--foreground);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.innormal:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px var(--primary);
}

.infulltxarea {
  width: 100%;
  max-width: 350px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 1rem;
  background: var(--input);
  color: var(--foreground);
  transition: border-color 0.2s, box-shadow 0.2s;
  resize: vertical;
  font-family: inherit;
}

.infulltxarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px var(--primary);
}

.long-division-calculator .calc-form {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.long-division-calculator .division-visual {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  padding: 1rem;
  background: var(--secondary);
  border-radius: var(--radius);
}

.long-division-calculator .divisor-input,
.long-division-calculator .dividend-input {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.long-division-calculator .divisor-input label,
.long-division-calculator .dividend-input label {
  font-weight: 500;
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

.long-division-calculator .division-symbol-wrapper {
  padding-top: 8px;
}

.long-division-calculator .division-symbol {
  font-size: 2.5rem;
  font-weight: 300;
  color: var(--foreground);
  line-height: 1;
}

.inlong {
  width: 100%;
  max-width: 250px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 1rem;
  background: var(--input);
  color: var(--foreground);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.inlong:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px var(--primary);
}

.inlonger {
  width: 250px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 1rem;
  background: var(--input);
  color: var(--foreground);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.inlonger:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px var(--primary);
}

.indollar::before {
  content: '$';
  margin-right: 2px;
}

.inuiyear,
.inuiyearpound {
  width: 60px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 1rem;
  background: var(--input);
  color: var(--foreground);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.inuiyear:focus,
.inuiyearpound:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px var(--primary);
}

.inuiyearspan,
.inuipoundspan {
  margin: 0 8px;
  color: var(--muted-foreground);
  font-size: 0.875rem;
}

.timing-options {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin: 10px 0;
}

.cbcontainer {
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  margin: 0 4px;
}

.cbcontainer input {
  display: none;
}

.rbmark {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid var(--border);
  border-radius: 50%;
  margin-right: 4px;
  position: relative;
}

.cbcontainer input:checked + .rbmark {
  border-color: var(--primary);
}

.cbcontainer input:checked + .rbmark::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 6px;
  height: 6px;
  background: var(--primary);
  border-radius: 50%;
}

.show-more-container {
  text-align: center;
  padding: 10px;
}

.show-more-container a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
}

.show-more-container a:hover {
  text-decoration: underline;
}

.form-section-title {
  font-weight: 600;
  margin: 16px 0 8px;
  color: var(--foreground);
}

/* Mortgage Payoff Calculator */
.section-intro-title {
  grid-column: 1 / -1;
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--foreground);
}

.section-intro-text {
  grid-column: 1 / -1;
  font-size: 0.9rem;
  color: var(--muted-foreground);
  margin-bottom: 1.5rem;
}

.radio-group {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.radio-container {
  display: flex;
  align-items: center;
  cursor: pointer;
  font-size: 0.9375rem;
  color: var(--foreground);
}

.radio-container input {
  display: none;
}

.radio-mark {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid var(--border);
  border-radius: 50%;
  margin-right: 8px;
  position: relative;
  flex-shrink: 0;
  transition: border-color 0.2s ease;
}

.radio-container:hover .radio-mark {
  border-color: var(--primary);
}

.radio-container input:checked + .radio-mark {
  border-color: var(--primary);
}

.radio-container input:checked + .radio-mark::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 6px;
  height: 6px;
  background: var(--primary);
  border-radius: 50%;
}

.extra-payments-options {
  margin-left: 24px;
  padding: 12px;
  background: var(--secondary);
  border-radius: calc(var(--radius) - 0.25rem);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.extra-payments-options .form-group {
  margin-bottom: 0;
}

.extra-payments-options .form-group:last-child {
  margin-bottom: 0;
}

.savings-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 1.5rem 0;
}

.savings-card {
  background: var(--secondary);
  border-radius: calc(var(--radius) - 0.25rem);
  padding: 1rem;
  text-align: center;
}

.savings-card-header {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted-foreground);
  margin-bottom: 0.5rem;
}

.savings-card-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--success);
  margin-bottom: 0.75rem;
}

.savings-bar {
  position: relative;
  height: 12px;
  background: #888;
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 0.5rem;
}

.savings-bar-original {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  background: #888;
  border-radius: 6px;
}

.savings-bar-payoff {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  background: var(--success);
  border-radius: 6px;
}

.savings-bar-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--muted-foreground);
  margin-bottom: 0.5rem;
}

.savings-percent {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--success);
}

.result-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
}

.result-table th,
.result-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.result-table th {
  font-weight: 600;
  color: var(--foreground);
  background: var(--secondary);
}

.result-table th:first-child {
  text-align: left;
}

.result-table td {
  color: var(--foreground);
}

.result-table td:first-child {
  font-weight: 500;
  color: var(--muted-foreground);
}

.result-table td:nth-child(2),
.result-table td:nth-child(3) {
  text-align: right;
  font-family: monospace;
}

.result-table th:nth-child(2),
.result-table th:nth-child(3) {
  text-align: center;
}

.result-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--foreground);
  margin-bottom: 1rem;
}

.result-description {
  font-size: 0.9375rem;
  color: var(--foreground);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.result-description b {
  color: var(--primary);
}

.view-amortization {
  text-align: center;
  margin-top: 1rem;
}

.btn-link {
  background: none;
  border: none;
  color: var(--primary);
  font-weight: 500;
  cursor: pointer;
  text-decoration: underline;
  padding: 0.5rem 1rem;
}

.btn-link:hover {
  color: var(--primary);
  opacity: 0.8;
}

.remove-course-btn {
  background: none;
  border: none;
  color: #ef4444;
  font-size: 1.125rem;
  cursor: pointer;
  padding: 0.125rem 0.375rem;
  border-radius: var(--radius);
  line-height: 1;
  opacity: 0.6;
  transition: opacity 0.15s;
}
.remove-course-btn:hover {
  opacity: 1;
  background: rgba(239, 68, 68, 0.1);
}

.remove-semester-btn {
  background: none;
  border: none;
  color: #ef4444;
  font-size: 1rem;
  cursor: pointer;
  padding: 0 0.375rem;
  border-radius: var(--radius);
  line-height: 1;
  opacity: 0.6;
  transition: opacity 0.15s;
  vertical-align: middle;
  margin-left: 0.25rem;
}
.remove-semester-btn:hover {
  opacity: 1;
  background: rgba(239, 68, 68, 0.1);
}

.chart-section {
  margin: 2rem 0;
  padding: 1rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.amortization-section {
  margin: 1rem 0 2rem;
}

.amortization-content {
  margin-top: 1rem;
}

.amortization-controls {
  margin-bottom: 1rem;
}

.amortization-controls select {
  padding: 0.5rem 1rem;
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) - 0.25rem);
  background: var(--card);
  color: var(--foreground);
  font-size: 0.875rem;
}

.amortization-table-container {
  overflow-x: auto;
}

.amortization-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8125rem;
}

.amortization-table th,
.amortization-table td {
  padding: 0.5rem;
  text-align: right;
  border: 1px solid var(--border);
}

.amortization-table th {
  background: var(--secondary);
  font-weight: 600;
  color: var(--foreground);
}

.amortization-table th:first-child,
.amortization-table td:first-child {
  text-align: center;
}

.amortization-table td {
  color: var(--foreground);
}

.amortization-table .year-end td {
  background: var(--secondary);
  font-weight: 600;
  text-align: center;
}

.amortization-table .th-original {
  background: var(--muted);
}

.amortization-table .th-payoff {
  background: var(--success);
  color: white;
}

@media (max-width: 768px) {
  .calculator-card {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding: 1.5rem;
  }
  
  .savings-cards {
    grid-template-columns: 1fr;
  }
  
  .result-table {
    font-size: 0.8125rem;
  }
  
  .result-table th,
  .result-table td {
    padding: 0.5rem;
  }
}

/* Dark mode */
.dark .savings-card {
  background: var(--secondary);
}

.dark .savings-bar {
  background: hsl(215 25% 25%);
}

.dark .savings-bar-original {
  background: hsl(215 25% 40%);
}

.dark .amortization-table th {
  background: hsl(215 25% 18%);
}

.dark .amortization-table .year-end td {
  background: hsl(215 25% 18%);
}

.dark .amortization-controls select {
  background: var(--secondary);
  color: var(--foreground);
}

}

/* Marriage Tax Calculator */
.spouses-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-bottom: 1.5rem;
}

.spouse-section h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--foreground);
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--primary);
}

.joint-section {
  margin-bottom: 1.5rem;
  padding: 1rem;
  background: var(--secondary);
  border-radius: var(--radius);
}

.deductions-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-bottom: 1.5rem;
}

.deduction-section h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--foreground);
}

.deduction-checkboxes {
  margin-bottom: 1rem;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  font-size: 0.9rem;
}

.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
}

.deduction-inputs {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.deduction-total {
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
  font-weight: 600;
}

.deduction-total span {
  color: var(--primary);
}

.additional-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
  padding: 1rem;
  background: var(--secondary);
  border-radius: var(--radius);
}

.additional-fields .toggle-container {
  margin-bottom: 0.5rem;
}

.results-table-container {
  overflow-x: auto;
  margin: 1.5rem 0;
}

.results-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.results-table th,
.results-table td {
  padding: 0.75rem;
  text-align: right;
  border-bottom: 1px solid var(--border);
}

.results-table th:first-child,
.results-table td:first-child {
  text-align: left;
}

.results-table th {
  background: var(--secondary);
  font-weight: 600;
  color: var(--foreground);
}

.results-table tr:last-child td {
  font-weight: 600;
}

.results-table tr:last-child td strong {
  color: var(--primary);
}

.results-note {
  font-size: 0.8rem;
  color: var(--muted-foreground);
  font-style: italic;
}

.result-box.primary.highlight {
  text-align: center;
  padding: 1.5rem;
}

.result-box .result-secondary {
  display: block;
  font-size: 0.95rem;
  margin-top: 0.5rem;
  opacity: 0.95;
}

/* Responsive */
@media (max-width: 768px) {
  .spouses-grid,
  .deductions-grid {
    grid-template-columns: 1fr;
  }
  
  .additional-fields {
    grid-template-columns: 1fr;
  }
}

/* Marriage Calculator 3-column layout */
.calculator-card.marriage-calculator {
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1.5rem;
}

/* Rent vs Buy Calculator Styles */
.results-table-section {
  margin: 2rem 0;
  padding: 1.5rem;
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.results-table-section h2 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--foreground);
}

.results-table-section .intro-text {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  margin-bottom: 1rem;
}

.results-table th[colspan] {
  text-align: center;
  background: var(--secondary);
  border-bottom: 2px solid var(--border);
}

.break-even-row td {
  background: rgba(36, 198, 108, 0.08);
  font-weight: 600;
  border-top: 2px solid hsl(142, 76%, 36%);
  border-bottom: 2px solid hsl(142, 76%, 36%);
}

.dark .break-even-row td {
  background: rgba(36, 198, 108, 0.15);
  border-top-color: hsl(142, 76%, 45%);
  border-bottom-color: hsl(142, 76%, 45%);
}

.better-value {
  color: hsl(142, 76%, 36%);
  font-weight: 600;
}

.dark .better-value {
  color: hsl(142, 76%, 55%);
}

/* Print Styles */
@media print {
  .ad-container,
  .header,
  .footer,
  .action-buttons,
  .table-of-contents,
  .related-tools,
  .faq-section {
    display: none !important;
  }
  
  .results-table-section {
    break-inside: avoid;
    border: 1px solid #ddd;
    box-shadow: none;
  }
  
  .calculator-card {
    break-inside: avoid;
  }
}

.marriage-calculator .calc-form {
  grid-column: 1 / 3;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  align-content: start;
}

.marriage-calculator .calc-form .spouses-grid {
  grid-column: 1 / 3;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.marriage-calculator .calc-form .joint-section {
  grid-column: 1 / 3;
}

.marriage-calculator .calc-form .deductions-grid {
  grid-column: 1 / 3;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.marriage-calculator .calc-form .additional-fields {
  grid-column: 1 / 3;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.marriage-calculator .calc-form .action-buttons {
  grid-column: 1 / 3;
}

.marriage-calculator .calc-results {
  grid-column: 3;
  max-height: none;
  overflow: visible;
  position: sticky;
  top: 1rem;
  align-self: start;
}

@media (max-width: 1200px) {
  .calculator-card.marriage-calculator {
    grid-template-columns: 1fr;
  }
  
  .marriage-calculator .calc-form {
    grid-column: 1;
    grid-template-columns: 1fr;
  }
  
  .marriage-calculator .calc-form .spouses-grid,
  .marriage-calculator .calc-form .deductions-grid,
  .marriage-calculator .calc-form .additional-fields {
    grid-column: 1;
    grid-template-columns: 1fr;
  }
  
  .marriage-calculator .calc-results {
    grid-column: 1;
    position: static;
  }
  
  .marriage-calculator .result-box.primary.highlight {
    padding: 1rem;
  }
  
  .marriage-calculator .result-box .result-value {
    font-size: 1.5rem;
  }
  
  .marriage-calculator .results-table {
    font-size: 0.75rem;
  }
  
  .marriage-calculator .results-table th,
  .marriage-calculator .results-table td {
    padding: 0.4rem;
  }
  
  .marriage-calculator .results-table-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  /* Mobile phone responsive */
  @media (max-width: 480px) {
    .marriage-calculator .result-box.primary.highlight {
      padding: 0.75rem;
    }
    
    .marriage-calculator .result-box .result-value {
      font-size: 1.25rem;
    }
    
    .marriage-calculator .result-box .result-secondary {
      font-size: 0.85rem;
    }
    
    .marriage-calculator .results-table {
      font-size: 0.65rem;
    }
    
    .marriage-calculator .results-table th,
    .marriage-calculator .results-table td {
      padding: 0.3rem;
    }
    
    .marriage-calculator .results-note {
      font-size: 0.7rem;
  }
}

/* ROI Calculator */
.roi-calculator-card {
  max-width: 800px;
}

.roi-calculator .calc-form {
  max-width: 400px;
}

.roi-results {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.roi-results .result-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem;
  background: var(--muted);
  border-radius: var(--radius);
}

.roi-results .result-label {
  font-weight: 500;
  color: var(--foreground);
}

.roi-results .result-value {
  font-weight: 700;
  font-size: 1.1rem;
}

.roi-results .result-value.positive {
  color: hsl(142, 76%, 36%);
}

.roi-results .result-value.negative {
  color: hsl(0, 84%, 60%);
}

.roi-chart-container {
  height: 200px;
  margin-top: 1rem;
}

.form-section {
  margin-top: 1rem;
}

.form-section .form-section-title {
  margin-bottom: 0.75rem;
}

.form-section .radio-group {
  margin-bottom: 1rem;
}

.formula-box {
  background: var(--muted);
  padding: 1rem;
  border-radius: var(--radius);
  text-align: center;
  margin: 0.75rem 0;
  border: 1px solid var(--border);
}

.formula-box p {
  margin: 0;
  font-size: 0.95rem;
}

@media (max-width: 768px) {
  .roi-calculator-card {
    max-width: 100%;
  }
  
  .roi-calculator .calc-form {
    max-width: 100%;
  }
  
  .roi-results .result-row {
    padding: 0.5rem;
  }
  
  .roi-results .result-label {
    font-size: 0.85rem;
  }
  
  .roi-results .result-value {
    font-size: 0.95rem;
  }
  
  .roi-chart-container {
    height: 180px;
  }
}

/* FHA Loan Calculator */
.fha-calculator-card {
  max-width: 900px;
  grid-template-columns: 1fr 1.3fr;
}

.fha-calculator-card .calc-form {
  gap: 0.3rem;
}

.fha-calculator-card .calc-form-split {
  gap: 0.4rem;
}

.fha-calculator-card .calc-form-column {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.fha-calculator-card .form-group {
  margin-bottom: 0.1rem;
}

.fha-calculator-card .form-group label {
  font-size: 0.65rem;
  margin-bottom: 0.08rem;
  color: var(--muted-foreground);
}

.fha-calculator-card .form-group input,
.fha-calculator-card .form-group select {
  width: 100%;
  padding: 0.2rem 0.25rem;
  font-size: 0.7rem;
  min-height: 22px;
  max-width: 120px;
  border-radius: 3px;
}

.fha-calculator-card .form-group input:focus,
.fha-calculator-card .form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.15);
}

.fha-calculator-card .form-section-title {
  font-size: 0.65rem;
  margin-bottom: 0.2rem;
  padding-bottom: 0.15rem;
  font-weight: 600;
  color: var(--foreground);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.fha-calculator-card .action-buttons {
  margin-top: 0.3rem;
  display: flex;
  gap: 0.4rem;
}

.fha-calculator-card .action-btn {
  padding: 0.3rem 0.5rem;
  font-size: 0.7rem;
  flex: 1;
}

.fha-calculator-card .action-btn svg {
  width: 11px;
  height: 11px;
}

.fha-calculator-card .more-options-btn {
  padding: 0.25rem 0.5rem;
  font-size: 0.65rem;
  margin: 0.2rem 0;
  max-width: 110px;
}

.fha-calculator-card .checkbox-group {
  margin: 0.2rem 0;
}

.fha-calculator-card .checkbox-label {
  font-size: 0.7rem;
}

.fha-calculator-card .checkbox-custom {
  width: 12px;
  height: 12px;
  border-radius: 3px;
}

.fha-calculator-card .checkbox-label input[type="checkbox"]:checked + .checkbox-custom::after {
  font-size: 9px;
}

.fha-calculator-card .extra-payment-group {
  margin-bottom: 0.15rem;
}

.fha-calculator-card .extra-payment-input {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  flex-wrap: wrap;
}

.fha-calculator-card .extra-payment-input input[type="number"] {
  width: 70px;
  max-width: 70px;
  padding: 0.2rem 0.25rem;
  font-size: 0.7rem;
  min-height: 22px;
}

.fha-calculator-card .extra-from-label {
  font-size: 0.65rem;
  color: var(--muted-foreground);
  white-space: nowrap;
}

.fha-calculator-card .extra-payment-input select {
  width: 50px;
  min-width: 50px;
  padding: 0.2rem 0.15rem;
  font-size: 0.65rem;
  min-height: 22px;
}

.fha-calculator-card .extra-payment-input input[type="number"]:last-of-type {
  width: 55px;
  max-width: 55px;
}

.fha-calculator-card .currency-percent-input {
  max-width: 110px;
  gap: 0.15rem;
}

.fha-calculator-card .currency-percent-input input {
  max-width: 70px;
  padding: 0.2rem 0.25rem;
  font-size: 0.7rem;
}

.fha-calculator-card .currency-percent-input .input-prefix,
.fha-calculator-card .currency-percent-input .input-suffix {
  font-size: 0.65rem;
  white-space: nowrap;
  color: var(--muted-foreground);
}

.fha-calculator-card .input-with-select {
  display: flex;
  gap: 0.15rem;
  max-width: 110px;
}

.fha-calculator-card .input-with-select input {
  flex: 1;
  min-width: 0;
  max-width: 70px;
  padding: 0.2rem 0.25rem;
  font-size: 0.7rem;
}

.fha-calculator-card .input-with-select select {
  width: 35px;
  min-width: 35px;
  padding: 0.2rem 0.1rem;
  font-size: 0.65rem;
  flex-shrink: 0;
}

.fha-calculator-card #annualMIPDuration {
  width: auto;
  min-width: 90px;
  font-size: 0.7rem;
}

.fha-calculator-card .date-selects {
  display: flex;
  gap: 0.15rem;
  max-width: 100px;
}

.fha-calculator-card .date-selects select {
  flex: 1;
  padding: 0.2rem 0.25rem;
  font-size: 0.7rem;
  min-width: 40px;
}

.fha-calculator-card .date-selects input {
  width: 45px;
  padding: 0.2rem 0.25rem;
  font-size: 0.7rem;
  flex-shrink: 0;
}

.fha-calculator-card .action-buttons {
  margin-top: 0.5rem;
}

.fha-calculator-card .action-btn {
  padding: 0.4rem 0.75rem;
  font-size: 0.8rem;
}

.fha-calculator-card .more-options-btn {
  padding: 0.35rem;
  font-size: 0.75rem;
  margin: 0.35rem 0;
}

.fha-calculator-card .checkbox-group {
  margin: 0.35rem 0;
}

.fha-calculator-card .checkbox-label {
  font-size: 0.8rem;
}

.fha-calculator-card .checkbox-custom {
  width: 14px;
  height: 14px;
}

.fha-calculator-card .calc-form-column {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.results-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.4rem;
  font-size: 0.9rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0.5rem;
}

.save-btn {
  display: flex;
  align-items: center;
  gap: 0.2rem;
  padding: 0.2rem 0.4rem;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: var(--radius);
  font-size: 0.65rem;
  cursor: pointer;
  transition: background 0.2s;
}

.save-btn:hover {
  background: var(--primary-hover, hsl(242, 85%, 45%));
}

.save-btn svg {
  width: 10px;
  height: 10px;
}

.fha-loan-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0.25rem;
  margin-bottom: 0.5rem;
  padding: 0.4rem;
  background: var(--muted);
  border-radius: var(--radius);
}

.fha-loan-summary .summary-item {
  display: flex;
  justify-content: space-between;
  padding: 0.15rem 0;
  font-size: 0.7rem;
}

.fha-loan-summary .summary-label {
  color: var(--muted-foreground);
  font-size: 0.6rem;
}

.fha-loan-summary .summary-value {
  font-weight: 600;
  color: var(--foreground);
  font-size: 0.65rem;
}

.pct-breakdown-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  justify-content: center;
  margin-top: 0.75rem;
}

.pct-breakdown-row .pct-label {
  font-size: 0.65rem;
  color: var(--muted-foreground);
  background: var(--secondary);
  padding: 0.2rem 0.5rem;
  border-radius: calc(var(--radius) - 0.25rem);
  white-space: nowrap;
}

.fha-results-table {
  width: 100%;
  border-collapse: collapse;
}

.fha-results-table th,
.fha-results-table td {
  padding: 0.25rem 0.4rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 0.75rem;
}

.fha-results-table th {
  font-weight: 600;
  color: var(--muted-foreground);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.fha-results-table th:not(:first-child),
.fha-results-table td:not(:first-child) {
  text-align: right;
}

.fha-results-table tbody tr:last-child td {
  border-bottom: none;
}

.fha-results-table .highlight-row {
  background: var(--primary);
  color: white;
}

.fha-results-table .highlight-row td {
  border-bottom-color: var(--primary);
  font-weight: 600;
  padding: 0.35rem 0.4rem;
}

.fha-results-table .highlight-row td:first-child {
  border-radius: var(--radius) 0 0 var(--radius);
}

.fha-results-table .highlight-row td:last-child {
  border-radius: 0 var(--radius) var(--radius) 0;
}

.fha-percentage-labels {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 0.6rem 0.5rem;
  background: var(--muted);
  border-radius: var(--radius);
  min-width: 65px;
}

.pct-label {
  font-size: 0.7rem;
  color: var(--muted-foreground);
  text-align: right;
  white-space: nowrap;
}

.fha-extra-payment-notice {
  margin: 8px 0;
  padding: 8px 12px;
  border-left: 3px solid var(--primary);
  background: var(--muted);
  border-radius: 4px;
  font-size: 13px;
  color: var(--foreground);
}

.amortization-section {
  margin-top: 0.75rem;
}

.biweekly-section {
  margin-top: 0.75rem;
  padding: 0.5rem;
  background: var(--muted);
  border-radius: var(--radius);
}

.biweekly-section h4 {
  font-size: 0.65rem;
  color: var(--muted-foreground);
  margin-bottom: 0.35rem;
  font-weight: 500;
}

.biweekly-results {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.biweekly-item {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.biweekly-label {
  font-size: 0.55rem;
  color: var(--muted-foreground);
  text-transform: uppercase;
}

.biweekly-value {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--foreground);
}

.amortization-tabs {
  display: flex;
  gap: 0.25rem;
  margin-bottom: 0.5rem;
}

.tab-btn {
  padding: 0.25rem 0.5rem;
  border: 1px solid var(--border);
  background: var(--background);
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.65rem;
  transition: all 0.2s;
}

.tab-btn:hover {
  background: var(--muted);
}

.tab-btn.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

.more-options-btn {
  width: 100%;
  padding: 0.3rem 0.5rem;
  margin: 0.25rem 0;
  background: var(--secondary);
  border: 1px dashed var(--border);
  border-radius: 4px;
  cursor: pointer;
  color: var(--foreground);
  font-size: 0.7rem;
  font-weight: 500;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
}

.more-options-btn:hover {
  background: var(--muted);
  border-style: solid;
  border-color: var(--primary);
  color: var(--primary);
}

.more-options-btn.active {
  background: var(--muted);
  border-style: solid;
  color: var(--primary);
}

.more-options-btn .toggle-icon {
  font-size: 0.85rem;
  font-weight: 600;
  transition: transform 0.2s ease;
}

.more-options-btn:hover .toggle-icon {
  transform: rotate(90deg);
}

.more-options-btn.active .toggle-icon {
  transform: rotate(180deg);
}

.input-with-select {
  display: flex;
  gap: 0.5rem;
}

.input-with-select input {
  flex: 1;
}

.input-with-select select {
  width: 70px;
  padding: 0.5rem;
  border: 1px solid var(--input);
  border-radius: var(--radius);
  background: var(--background);
  color: var(--foreground);
}

.date-selects {
  display: flex;
  gap: 0.5rem;
}

.date-selects select {
  flex: 1;
  padding: 0.5rem;
  border: 1px solid var(--input);
  border-radius: var(--radius);
  background: var(--background);
  color: var(--foreground);
}

.date-selects input {
  width: 80px;
  padding: 0.5rem;
  border: 1px solid var(--input);
  border-radius: var(--radius);
  background: var(--background);
  color: var(--foreground);
}

.checkbox-group {
  margin: 0.5rem 0;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
}

.checkbox-label input[type="checkbox"] {
  display: none;
}

.checkbox-custom {
  width: 18px;
  height: 18px;
  border: 2px solid var(--border);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom {
  background: var(--primary);
  border-color: var(--primary);
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom::after {
  content: '✓';
  color: white;
  font-size: 12px;
}

@media (max-width: 768px) {
  .fha-calculator-card {
    max-width: 100%;
    padding: 0.6rem;
  }

  .fha-calculator-card .calc-form {
    gap: 0.2rem;
  }

  .fha-calculator-card .calc-form-split {
    gap: 0.4rem;
  }

  .fha-calculator-card .form-group input,
  .fha-calculator-card .form-group select {
    padding: 0.15rem 0.2rem;
    font-size: 0.65rem;
    min-height: 22px;
    max-width: 100%;
  }

  .fha-calculator-card .input-with-select {
    max-width: 100%;
  }

  .fha-calculator-card .input-with-select input {
    max-width: none;
  }

  .fha-calculator-card .date-selects {
    max-width: 100%;
  }

  .fha-results-grid {
    grid-template-columns: 1fr;
    gap: 0.4rem;
  }

  .fha-percentage-labels {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    order: -1;
    min-width: auto;
    gap: 0.2rem;
  }

  .pct-label {
    text-align: center;
    padding: 0.1rem 0.25rem;
    background: var(--secondary);
    border-radius: var(--radius);
    font-size: 0.55rem;
  }

  .fha-results-table th,
  .fha-results-table td {
    padding: 0.2rem 0.3rem;
    font-size: 0.65rem;
  }

  .fha-loan-summary {
    grid-template-columns: 1fr 1fr;
    gap: 0.15rem;
    padding: 0.3rem;
  }

  .amortization-tabs {
    flex-wrap: wrap;
  }

  .tab-btn {
    padding: 0.2rem 0.4rem;
    font-size: 0.6rem;
  }

  .fha-calculator-card .chart-container {
    height: 130px;
  }

  .fha-calculator-card .action-buttons {
    gap: 0.3rem;
  }

  .fha-calculator-card .action-btn {
    padding: 0.25rem 0.4rem;
    font-size: 0.65rem;
  }
}

/* Annuity Calculator Radio Group */
.radio-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 0.75rem 0;
}

.radio-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  font-size: 0.9375rem;
}

.radio-label input[type="radio"] {
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
  cursor: pointer;
}

.radio-custom {
  width: 18px;
  height: 18px;
  border: 2px solid var(--border);
  border-radius: 50%;
  display: inline-block;
  position: relative;
  flex-shrink: 0;
}

.radio-hint {
  font-size: 0.8125rem;
  color: var(--muted-foreground);
  margin-left: 1.75rem;
  margin-bottom: 0.25rem;
  display: block;
}

.dark .radio-custom {
  border-color: hsl(215 25% 40%);
}

.dark .radio-label input:checked + .radio-custom {
  border-color: var(--primary);
}

.dark .radio-label input:checked + .radio-custom::after {
  background: var(--primary);
}

/* Schedule Table Section */
.schedule-table-section {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-top: 1rem;
}

.schedule-controls {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
  align-items: center;
}

.schedule-controls select {
  padding: 0.5rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
  color: var(--foreground);
  font-size: 0.9375rem;
}

.schedule-table-container {
  overflow-x: auto;
  max-height: 500px;
  overflow-y: auto;
}

.schedule-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.schedule-table th {
  background: var(--secondary);
  padding: 0.75rem 1rem;
  text-align: left;
  font-weight: 600;
  color: var(--foreground);
  border-bottom: 2px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1;
}

.schedule-table td {
  padding: 0.625rem 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--foreground);
}

.schedule-table tbody tr:hover {
  background: var(--secondary);
}

.schedule-table .year-row {
  background: var(--secondary);
}

.schedule-table .year-row td {
  font-weight: 600;
  color: var(--primary);
  border-bottom: 2px solid var(--border);
}

.dark .schedule-table th {
  background: hsl(215 25% 18%);
}

.dark .schedule-table .year-row {
  background: hsl(215 25% 18%);
}

.dark .schedule-table .year-row td {
  color: hsl(242, 85%, 65%);
}
}

/* Credit Card Calculator Styles */
.quick-links {
  margin-top: 0.75rem;
  padding: 0.5rem 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.quick-links-label {
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

.quick-link {
  font-size: 0.875rem;
  color: var(--primary);
  text-decoration: none;
  padding: 0.25rem 0.5rem;
  background: var(--secondary);
  border-radius: 4px;
  transition: all 0.2s;
}

.quick-link:hover {
  background: var(--primary);
  color: var(--primary-foreground);
  text-decoration: none;
}

.note-box {
  background: #fef3c7;
  color: #92400e;
  padding: 0.75rem 1rem;
  border-radius: 6px;
  font-size: 0.875rem;
  margin-top: 1rem;
}

.dark .note-box {
  background: hsl(45 93% 20%);
  color: hsl(45 93% 70%);
}

.inline-inputs .inline-fields {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.inline-inputs .inline-fields input {
  width: 80px;
}

.inline-inputs .inline-fields .input-suffix {
  white-space: nowrap;
}

/* Credit Card Calculator - Form inputs */
.credit-card-calc .indollar,
.credit-card-calc .inpct {
  padding: 0.625rem 0.875rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 1rem;
  width: 150px;
  font-family: inherit;
  background: var(--card);
  color: var(--foreground);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.credit-card-calc .indollar:focus,
.credit-card-calc .inpct:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.dark .credit-card-calc .indollar:focus,
.dark .credit-card-calc .inpct:focus {
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.credit-card-calc .indollar {
  width: 150px;
}

.credit-card-calc .inpct {
  width: 100px;
}

.credit-card-calc input.input-error {
  border-color: #ef4444 !important;
}

.credit-card-calc .error-message {
  color: #ef4444;
  font-size: 0.75rem;
  margin-top: 0.25rem;
  display: none;
}

.credit-card-calc .error-message.active {
  display: block;
}

/* Average Return Calculator - Cash Flow Table */
.cash-flow-table-container {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) - 0.25rem);
  margin-bottom: 1rem;
}

.cash-flow-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.cash-flow-table th {
  background: var(--secondary);
  font-weight: 600;
  color: var(--foreground);
  padding: 0.75rem;
  text-align: left;
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
}

.cash-flow-table th:first-child {
  min-width: 140px;
}

.cash-flow-table th:nth-child(2) {
  min-width: 100px;
}

.cash-flow-table th:nth-child(3) {
  min-width: 120px;
}

.cash-flow-table th:last-child {
  width: 40px;
  text-align: center;
}

.cash-flow-table td {
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.cash-flow-table tbody tr:last-child td {
  border-bottom: none;
}

.cash-flow-table tbody tr:hover {
  background: var(--secondary);
}

.cash-flow-table input[type="date"],
.cash-flow-table input[type="number"],
.cash-flow-table input[type="text"] {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--input);
  border-radius: calc(var(--radius) - 0.375rem);
  font-size: 0.875rem;
  background: var(--background);
  color: var(--foreground);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.cash-flow-table input[type="date"]:focus,
.cash-flow-table input[type="number"]:focus,
.cash-flow-table input[type="text"]:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.1);
}

.cash-flow-table input[type="date"] {
  min-width: 130px;
}

.cash-flow-table input[type="number"] {
  min-width: 90px;
  text-align: right;
}

.cash-flow-table input[type="text"] {
  min-width: 100px;
}

.cash-flow-table input[type="number"].negative {
  color: hsl(0, 70%, 50%);
}

.dark .cash-flow-table input[type="number"].negative {
  color: hsl(0, 70%, 60%);
}

.cash-flow-table input[type="number"].positive {
  color: hsl(142, 76%, 36%);
}

.dark .cash-flow-table input[type="number"].positive {
  color: hsl(142, 76%, 46%);
}

.remove-row-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: transparent;
  border: none;
  border-radius: calc(var(--radius) - 0.375rem);
  color: var(--muted-foreground);
  cursor: pointer;
  transition: all 0.2s;
}

.remove-row-btn:hover {
  background: hsl(0, 84%, 60%);
  color: white;
}

.add-row-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--primary);
  background: var(--secondary);
  border: 1px dashed var(--border);
  border-radius: calc(var(--radius) - 0.25rem);
  cursor: pointer;
  transition: all 0.2s;
}

.add-row-btn:hover {
  border-style: solid;
  background: var(--primary);
  color: var(--primary-foreground);
}

.dark .add-row-btn:hover {
  background: var(--primary);
}

.tab-container {
  display: flex;
  gap: 0;
  margin-bottom: 1.5rem;
  border-radius: calc(var(--radius) - 0.25rem);
  overflow: hidden;
  border: 1px solid var(--border);
}

.tab-container .tab-btn {
  flex: 1;
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--muted-foreground);
  background: var(--secondary);
  border: none;
  cursor: pointer;
  transition: all 0.2s;
}

.tab-container .tab-btn:hover {
  background: var(--muted);
  color: var(--foreground);
}

.tab-container .tab-btn.active {
  color: var(--primary-foreground);
  background: var(--primary);
}

.dark .tab-container .tab-btn.active {
  background: var(--primary);
}

/* Average Return Calculator - Simple Table Layout */
.form-description {
  font-size: 0.9375rem;
  color: var(--muted-foreground);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
}

.cash-flow-input-table,
.holding-input-table {
  width: 100%;
  border-collapse: collapse;
}

.cash-flow-input-table th,
.cash-flow-input-table td,
.holding-input-table th,
.holding-input-table td {
  padding: 0.625rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.cash-flow-input-table th,
.holding-input-table th {
  font-weight: 600;
  color: var(--foreground);
  background: var(--secondary);
  border-bottom: 2px solid var(--border);
}

.cash-flow-input-table td:nth-child(1),
.holding-input-table td:nth-child(1) {
  width: 30px;
  color: var(--muted-foreground);
  font-weight: 500;
  text-align: center;
}

.cash-flow-input-table td:nth-child(2),
.holding-input-table td:nth-child(2) {
  min-width: 120px;
}

.cash-flow-input-table td:nth-child(3),
.holding-input-table td:nth-child(3) {
  min-width: 100px;
}

.cash-flow-input-table td:nth-child(4),
.holding-input-table td:nth-child(4) {
  min-width: 140px;
}

.cash-flow-input-table input,
.holding-input-table input,
.cash-flow-input-table select,
.holding-input-table select {
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  border: 1px solid var(--input);
  border-radius: calc(var(--radius) - 0.375rem);
  background: var(--background);
  color: var(--foreground);
  font-family: inherit;
}

.cash-flow-input-table input:focus,
.holding-input-table input:focus,
.cash-flow-input-table select:focus,
.holding-input-table select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.1);
}

.cash-flow-input-table input.inlong,
.holding-input-table input.inlong {
  width: 120px;
  text-align: right;
}

.cash-flow-input-table input.innormal,
.holding-input-table input.innormal {
  width: 80px;
  text-align: right;
}

.cash-flow-input-table input.inpct,
.holding-input-table input.inpct {
  width: 70px;
  text-align: right;
}

.cash-flow-input-table select,
.holding-input-table select {
  width: auto;
  min-width: 90px;
  cursor: pointer;
}

.cash-flow-input-table input[type="date"],
.holding-input-table input[type="date"] {
  width: 140px;
}

.show-more-row {
  padding: 0.625rem 0;
  text-align: left;
  margin-top: 0.5rem;
}

.show-more-row a {
  color: var(--primary);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
}

.show-more-row a:hover {
  text-decoration: underline;
}

.button-row {
  display: flex;
  gap: 0.75rem;
  margin-top: 1rem;
  padding: 0 0.5rem;
}

.button-row.center {
  justify-content: center;
}

.calc-btn {
  padding: 0.625rem 1.5rem;
  font-size: 0.9375rem;
  font-weight: 600;
  color: white;
  background: var(--primary);
  border: none;
  border-radius: calc(var(--radius) - 0.25rem);
  cursor: pointer;
  transition: all 0.2s;
}

.calc-btn:hover {
  opacity: 0.9;
}

.clear-btn {
  padding: 0.625rem 1.5rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--foreground);
  background: var(--secondary);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) - 0.25rem);
  cursor: pointer;
  transition: all 0.2s;
}

.clear-btn:hover {
  background: var(--border);
}

.print-btn {
  padding: 0.625rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--secondary);
  color: var(--foreground);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.print-btn:hover {
  background: var(--border);
}

.leftinput {
  width: 100%;
}

.rightresult {
  display: flex;
  flex-direction: column;
}

.espaceforM {
  height: 10px;
}

.result-message {
  background: var(--secondary);
  padding: 1rem;
  border-radius: var(--radius);
  text-align: center;
  margin: 1rem 0;
}

.result-message p {
  margin: 0;
  color: var(--muted-foreground);
}

.holding-schedule-section {
  margin-top: 1rem;
}

.holding-schedule-section .result-section-title {
  font-size: 0.9375rem;
  margin-bottom: 0.75rem;
}

.schedule-table-container {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) - 0.25rem);
}

.holding-schedule-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.holding-schedule-table th,
.holding-schedule-table td {
  padding: 0.625rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.holding-schedule-table th {
  background: var(--secondary);
  font-weight: 600;
  color: var(--foreground);
}

.holding-schedule-table th:last-child,
.holding-schedule-table td:last-child {
  text-align: right;
}

.holding-schedule-table tbody tr:last-child td {
  border-bottom: none;
}

.holding-schedule-table tbody tr:hover {
  background: var(--secondary);
}

.dark .holding-schedule-table th {
  background: hsl(215 25% 18%);
}

/* Responsive for simple table layout */
@media (max-width: 768px) {
  .cash-flow-input-table,
  .holding-input-table {
    font-size: 0.8125rem;
  }
  
  .cash-flow-input-table th,
  .cash-flow-input-table td,
  .holding-input-table th,
  .holding-input-table td {
    padding: 0.5rem 0.375rem;
  }
  
  .cash-flow-input-table input.inlong,
  .holding-input-table input.inlong {
    width: 100px;
  }
  
  .cash-flow-input-table input.innormal,
  .holding-input-table input.innormal {
    width: 60px;
  }
  
  .cash-flow-input-table input.inpct,
  .holding-input-table input.inpct {
    width: 50px;
  }
  
  .cash-flow-input-table input[type="date"],
  .holding-input-table input[type="date"] {
    width: 110px;
  }
  
  .cash-flow-input-table select,
  .holding-input-table select {
    min-width: 70px;
    font-size: 0.75rem;
  }
  
  .button-row {
    flex-direction: column;
  }
  
  .button-row button {
    width: 100%;
  }
}

/* Holding tab - two column layout like calculator.net */
#holding-tab {
  display: none;
}

#xirr-tab.active {
  display: block;
}

/* Results Panel - shared styles for both tabs */
.results-panel {
  display: block;
}

.results-panel .result-box {
  background: var(--secondary);
  padding: 1rem;
  border-radius: calc(var(--radius) - 0.25rem);
  margin-bottom: 0.75rem;
}

.results-panel .result-box .result-label {
  display: block;
  font-size: 0.8125rem;
  margin-bottom: 0.25rem;
  color: var(--muted-foreground);
}

.results-panel .result-box .result-value {
  display: block;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--foreground);
}

.results-panel .result-box.primary.highlight {
  background: linear-gradient(135deg, hsl(242 85% 55%), hsl(262 85% 55%));
  color: white;
  padding: 1.25rem;
}

.results-panel .result-box.primary.highlight .result-label {
  color: rgba(255, 255, 255, 0.9);
}

.results-panel .result-box.primary.highlight .result-value {
  color: white;
  font-size: 2rem;
}

.dark .results-panel .result-box.primary.highlight {
  background: linear-gradient(135deg, hsl(242 85% 65%), hsl(262 85% 65%));
}

.dark .results-panel .result-box {
  background: hsl(215 25% 18%);
}

@media (max-width: 768px) {
  .cash-flow-table-container {
    margin: 0.75rem 0;
  }
  
  .cash-flow-table {
    font-size: 0.8125rem;
  }
  
  .cash-flow-table th,
  .cash-flow-table td {
    padding: 0.375rem 0.5rem;
  }
  
  .cash-flow-table input[type="date"] {
    min-width: 110px;
  }
  
  .cash-flow-table input[type="number"] {
    min-width: 70px;
  }
  
  .cash-flow-table input[type="text"] {
    min-width: 60px;
  }
  
  .remove-row-btn {
    width: 28px;
    height: 28px;
  }
  
  .tab-container {
    flex-direction: column;
  }
  
  .tab-container .tab-btn {
    width: 100%;
  }
}

/* Discount Calculator Results Panel */
.discount-form {
  grid-column: 1;
}

.calc-results {
  background: var(--secondary);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.results-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--foreground);
  margin: 0;
}

.result-desc {
  color: var(--muted-foreground);
  font-size: 0.95rem;
  margin: 0;
}

.result-desc strong {
  color: var(--foreground);
}

.result-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1rem;
  background: var(--card);
  border-radius: 0.5rem;
  border: 1px solid var(--border);
}

.result-item.highlight {
  background: linear-gradient(135deg, var(--primary), hsl(262, 85%, 55%));
  border: none;
}

.result-item.highlight .result-label,
.result-item.highlight .result-value {
  color: white;
}

.result-label {
  font-size: 1rem;
  color: var(--foreground);
  font-weight: 500;
}

.result-value {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
}

.dark .result-item.highlight {
  background: linear-gradient(135deg, var(--primary), hsl(262, 85%, 65%));
}

/* DTI Calculator Styles */
.dti-main-result {
  text-align: center;
  padding: 1.25rem;
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.dti-main-text {
  font-size: 1.1rem;
  margin: 0;
  color: var(--foreground);
}

.dti-main-value {
  font-weight: 700;
  font-size: 1.3rem;
}

.dti-assessment {
  text-align: center;
  font-size: 0.95rem;
  color: var(--foreground);
  margin: 0.75rem 0;
  padding: 0.5rem;
  line-height: 1.4;
}

.dti-chart-section {
  display: flex;
  gap: 1rem;
  margin: 1rem 0;
  align-items: center;
}

.dti-chart-left {
  flex: 0 0 auto;
  text-align: center;
}

.dti-big-percent {
  font-size: 3rem;
  font-weight: 700;
  line-height: 1;
  color: #22c55e;
}

.arrow-down {
  width: 24px;
  height: 24px;
  display: none;
}

.dti-chart-right {
  flex: 1;
}

.dti-chart-text {
  font-size: 0.9rem;
  color: var(--muted-foreground);
  margin: 0;
  line-height: 1.4;
}

.dti-breakdown {
  margin: 1rem 0;
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
}

.result-row {
  display: flex;
  justify-content: space-between;
  padding: 0.6rem 1rem;
  border-bottom: 1px solid var(--border);
}

.result-row:last-child {
  border-bottom: none;
}

.result-row .result-label {
  font-size: 0.9rem;
  color: var(--foreground);
}

.result-row .result-value {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary);
  text-align: right;
  line-height: 1.3;
}

.dti-income-breakdown {
  margin: 1rem 0;
}

.income-breakdown-title {
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  color: var(--foreground);
  margin: 0 0 0.75rem 0;
}

.chart-wrapper {
  max-width: 280px;
  margin: 0 auto;
}

.breakdown-legend {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-top: 0.75rem;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
}

.legend-color {
  width: 16px;
  height: 16px;
  border-radius: 3px;
  flex-shrink: 0;
}

.legend-text {
  color: var(--foreground);
}

.legend-text strong {
  font-weight: 600;
}

.house-affordability {
  margin-top: 1rem;
  padding: 1rem;
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.afford-text {
  font-size: 0.9rem;
  color: var(--foreground);
  line-height: 1.6;
  margin: 0 0 0.75rem 0;
}

.afford-text:last-of-type {
  margin-bottom: 0;
}

.afford-text strong {
  color: var(--primary);
  font-weight: 600;
}

.afford-text a {
  color: var(--primary);
  text-decoration: underline;
}

.afford-disclaimer {
  font-size: 0.75rem;
  color: var(--muted-foreground);
  margin: 0.75rem 0 0 0;
  line-height: 1.4;
}

.afford-disclaimer a {
  color: var(--primary);
  text-decoration: underline;
}

.section-title {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--foreground);
  background: var(--secondary);
  padding: 0.5rem 0.75rem;
  border-radius: 0.25rem;
  margin-top: 0.5rem;
}

.smalltext {
  display: block;
  font-size: 0.75rem;
  color: var(--muted-foreground);
  margin-top: 0.25rem;
}

.discount-form {
  grid-column: 1;
}

/* Take Home Pay Calculator Results */
.result-table-section {
  margin-bottom: 2rem;
}

.result-table-section h2 {
  font-size: 1.25rem;
  margin-bottom: 0.25rem;
}

.result-subtitle {
  color: var(--muted-foreground);
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

.result-table {
  width: 100%;
  border-collapse: collapse;
}

.result-table th,
.result-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.result-table th:first-child,
.result-table td:first-child {
  text-align: left;
}

.result-table .text-right {
  text-align: right !important;
}

.result-table tbody tr:hover {
  background: var(--secondary);
}

.result-table .total-row td {
  background: var(--primary);
  color: white;
  font-weight: 700;
}

.result-table .total-row td:first-child {
  border-radius: 0 0 0 0.5rem;
}

.result-table .total-row td:last-child {
  border-radius: 0 0.5rem 0 0;
}

/* W-4 Section */
.w4-section {
  background: var(--secondary);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin: 2rem 0;
}

.w4-section h3 {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
}

.w4-intro {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  margin-bottom: 1rem;
}

.w4-steps {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 1rem;
}

.w4-step {
  background: var(--background);
  border-radius: calc(var(--radius) - 0.25rem);
  padding: 1rem;
}

.w4-step h4 {
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--foreground);
}

.w4-table {
  width: 100%;
  border-collapse: collapse;
}

.w4-table td {
  padding: 0.375rem 0;
  font-size: 0.875rem;
}

.w4-table td:first-child {
  color: var(--muted-foreground);
}

.w4-table td:last-child {
  text-align: right;
}

.w4-table .total td {
  border-top: 1px solid var(--border);
  font-weight: 600;
  color: var(--foreground);
}

.w4-privacy-note {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.w4-privacy-note > p {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  margin-bottom: 1rem;
}

/* Annual Summary Section */
.annual-summary-section {
  margin: 2rem 0;
}

.annual-summary-section h3 {
  font-size: 1.125rem;
  margin-bottom: 1rem;
}

@media (max-width: 640px) {
  .w4-steps {
    grid-template-columns: 1fr;
  }
}

.chart-section {
  margin: 2rem 0;
}

.chart-section h3 {
  font-size: 1.125rem;
  margin-bottom: 1rem;
}

.chart-container {
  height: 300px;
  position: relative;
}

/* Refinance Calculator Results */
.refinance-summary {
  background: var(--secondary);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.refinance-summary p {
  margin: 0.5rem 0;
  font-size: 1rem;
}

.refinance-summary .new-payment {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 1rem 0;
}

.refinance-summary .savings-item {
  color: #16a34a;
  font-weight: 600;
}

.refinance-summary .cost-item {
  color: #dc2626;
  font-weight: 600;
}

.refinance-summary .benefit-good {
  color: #16a34a;
}

.refinance-summary .benefit-bad {
  color: #dc2626;
}

/* Comparison Table */
.comparison-table-container {
  overflow-x: auto;
  margin-bottom: 1.5rem;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.comparison-table th,
.comparison-table td {
  padding: 0.75rem;
  text-align: right;
  border-bottom: 1px solid var(--border);
}

.comparison-table th:first-child,
.comparison-table td:first-child {
  text-align: left;
}

.comparison-table th {
  background: var(--secondary);
  font-weight: 600;
}

.comparison-table td.positive {
  color: #16a34a;
}

.comparison-table td.negative {
  color: #dc2626;
}

.dark .comparison-table td.positive {
  color: #4ade80;
}

.dark .comparison-table td.negative {
  color: #f87171;
}

/* Rate Banner */
.rate-banner {
  background: linear-gradient(135deg, #4f46e5 0%, #6366f1 100%);
  border-radius: 8px;
  padding: 1rem 1.5rem;
  margin-bottom: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.rate-banner-content {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.rate-banner-content::before {
  content: '';
  display: inline-block;
  width: 40px;
  height: 40px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2'%3E%3Cpath d='M3 17h1m16 0h1M5.5 17a2.5 2.5 0 1 0 5 0a2.5 2.5 0 1 0-5 0m8 0a2.5 2.5 0 1 0 5 0a2.5 2.5 0 1 0-5 0M3 11l4-4h10l4 4'/%3E%3C/svg%3E") center/contain no-repeat;
  flex-shrink: 0;
}

.rate-banner-content h3 {
  color: white;
  font-size: 1rem;
  margin: 0;
  font-weight: 600;
}

.rate-banner-content p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.8125rem;
  margin: 0;
}

.rate-banner-btn {
  background: white;
  color: #4f46e5;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  font-weight: 600;
  text-decoration: none;
  font-size: 0.875rem;
  transition: background-color 0.2s, transform 0.2s;
}

.rate-banner-btn:hover {
  background: #f0f0f0;
  transform: translateY(-1px);
}

.dark .rate-banner {
  background: linear-gradient(135deg, hsl(242 85% 55%) 0%, hsl(242 85% 65%) 100%);
}

@media (max-width: 480px) {
  .rate-banner {
    flex-direction: column;
    text-align: center;
  }
  
  .rate-banner-content {
    flex-direction: column;
  }
}

/* Rental Property Calculator */
.calc-form-split {
  display: grid !important;
  grid-template-columns: 1fr 1fr !important;
  gap: 1rem;
  padding: 0 !important;
  background: transparent !important;
  border: none !important;
  min-width: auto;
  width: 100%;
  box-sizing: border-box;
}

.calc-form-split > .calc-form-column {
  min-width: 0;
  width: 100%;
}

.calc-form-split .form-group {
  margin-bottom: 0.5rem;
}

.calc-form-split .form-group label {
  font-size: 0.75rem;
  margin-bottom: 0.25rem;
}

.calc-form-split .form-group input,
.calc-form-split .form-group select {
  padding: 0.4rem 0.5rem;
  font-size: 0.8rem;
}

.calc-form-split .form-section-title {
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.calc-form-split .form-table {
  gap: 0.25rem;
}

.calc-form-split .form-table-header {
  font-size: 0.65rem;
  padding: 0.25rem;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1fr);
}

.calc-form-split .form-table-row {
  gap: 0.25rem;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1fr);
}

.calc-form-split .form-table-row label {
  font-size: 0.7rem;
  padding: 0.25rem;
}

.calc-form-split .form-table-row input {
  padding: 0.3rem 0.25rem;
  font-size: 0.75rem;
  min-width: 0;
  width: 100%;
  box-sizing: border-box;
}

.calc-form-split .radio-group {
  gap: 0.75rem;
  margin-top: 0.25rem;
}

.calc-form-split .radio-label {
  font-size: 0.75rem;
}

.calc-form-split .radio-custom {
  width: 14px;
  height: 14px;
}

.calc-form-split .radio-label input[type="radio"]:checked + .radio-custom::after {
  width: 8px;
  height: 8px;
}

.calc-form-split .action-buttons {
  margin-top: 1rem;
}

.calc-form-split .action-btn {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
}

.calc-form-column {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) - 0.25rem);
  padding: 1rem;
  overflow: visible;
}

.rental-summary {
  margin-bottom: 1rem;
}

.summary-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.metric-card {
  background: var(--muted);
  padding: 0.5rem;
  border-radius: var(--radius);
  text-align: center;
}

.metric-card.primary-metric {
  grid-column: span 2;
  background: var(--primary);
  color: white;
  padding: 0.75rem;
}

.metric-label {
  display: block;
  font-size: 0.65rem;
  color: var(--muted-foreground);
  margin-bottom: 0.15rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.primary-metric .metric-label {
  color: rgba(255, 255, 255, 0.8);
}

.metric-value {
  display: block;
  font-size: 1.1rem;
  font-weight: 700;
}

.metric-value.positive {
  color: hsl(142, 76%, 36%);
}

.metric-value.negative {
  color: hsl(0, 84%, 60%);
}

.primary-metric .metric-value {
  color: white;
}

.metric-sublabel {
  display: block;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.8);
  margin-top: 0.25rem;
}

.summary-totals {
  display: grid;
  gap: 0.5rem;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.875rem;
}

.summary-row:last-child {
  border-bottom: none;
  font-weight: 600;
}

.rental-first-year {
  margin-bottom: 1rem;
  padding: 0.75rem;
  background: var(--muted);
  border-radius: var(--radius);
}

.rental-first-year h4 {
  margin-bottom: 0.5rem;
  font-size: 0.85rem;
}

.rental-income-table {
  width: 100%;
  border-collapse: collapse;
}

.rental-income-table th,
.rental-income-table td {
  padding: 0.35rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 0.7rem;
}

.rental-income-table th {
  font-weight: 600;
  color: var(--muted-foreground);
}

.rental-income-table th:not(:first-child),
.rental-income-table td:not(:first-child) {
  text-align: right;
}

.rental-income-table .highlight-row td {
  background: var(--primary);
  color: white;
  font-weight: 600;
}

.rental-timeline {
  margin-top: 1rem;
}

.rental-timeline h4 {
  margin-bottom: 0.5rem;
  font-size: 0.85rem;
}

.rental-timeline-table {
  font-size: 0.65rem;
}

.rental-timeline-table th,
.rental-timeline-table td {
  padding: 0.3rem 0.2rem;
  text-align: right;
}

.rental-timeline-table th:first-child,
.rental-timeline-table td:first-child {
  text-align: center;
}

.rental-timeline-table td.positive {
  color: hsl(142, 76%, 36%);
}

.rental-timeline-table td.negative {
  color: hsl(0, 84%, 60%);
}

.calc-form-split .chart-container {
  height: 200px;
  margin: 0.75rem 0;
}

.calc-form-split .view-schedule-btn {
  margin-top: 0.75rem;
  padding: 0.5rem 0.75rem;
  font-size: 0.8rem;
}

/* Form Table for Rental Calculator */
.form-table {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-table-header {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0.5rem;
  padding: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--muted-foreground);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-table-header span:not(:first-child) {
  text-align: center;
}

.form-table-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0.5rem;
  align-items: center;
}

.form-table-row label {
  font-size: 0.875rem;
  padding: 0.5rem;
}

.form-table-row input {
  text-align: center;
  padding: 0.5rem;
  font-size: 0.875rem;
}

/* Radio Group */
.radio-group {
  display: flex;
  gap: 1rem;
  margin-top: 0.5rem;
}

.radio-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  font-size: 0.875rem;
}

.radio-label input[type="radio"] {
  display: none;
}

.radio-custom {
  width: 18px;
  height: 18px;
  border: 2px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.radio-label input[type="radio"]:checked + .radio-custom {
  border-color: var(--primary);
}

.radio-label input[type="radio"]:checked + .radio-custom::after {
  content: '';
  width: 10px;
  height: 10px;
  background: var(--primary);
  border-radius: 50%;
}

.form-label-text {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.25rem;
}

@media (max-width: 1024px) {
  .rental-property-calculator .calculator-card {
    min-width: auto;
  }
}

@media (max-width: 768px) {
  .rental-property-calculator .calculator-page {
    padding: 0.5rem;
  }

  .rental-property-calculator .calculator-card {
    display: flex;
    flex-direction: column;
    padding: 0.75rem;
    gap: 0.75rem;
  }

  .rental-property-calculator .calc-results {
    padding: 0.75rem;
  }

  .calc-form-split {
    display: flex !important;
    flex-direction: column;
    gap: 0.5rem;
  }

  .calc-form-column {
    padding: 0.5rem;
    gap: 0.25rem;
  }

  .calc-form-split .form-group {
    margin-bottom: 0.25rem;
  }

  .calc-form-split .form-group label {
    font-size: 0.65rem;
    margin-bottom: 0.15rem;
  }

  .calc-form-split .form-group input,
  .calc-form-split .form-group select {
    padding: 0.3rem 0.35rem;
    font-size: 0.7rem;
    min-height: 32px;
  }

  .calc-form-split .form-section-title {
    font-size: 0.7rem;
    margin-bottom: 0.35rem;
    padding-bottom: 0.3rem;
  }

  .form-table-header {
    font-size: 0.55rem;
    padding: 0.2rem;
  }

  .form-table-row {
    gap: 0.15rem;
  }

  .form-table-row label {
    font-size: 0.55rem;
    padding: 0.15rem;
  }

  .form-table-row input {
    padding: 0.2rem 0.15rem;
    font-size: 0.6rem;
    min-height: 28px;
  }

  .calc-form-split .radio-group {
    gap: 0.4rem;
    margin-top: 0.15rem;
  }

  .calc-form-split .radio-label {
    font-size: 0.6rem;
  }

  .calc-form-split .radio-custom {
    width: 12px;
    height: 12px;
  }

  .calc-form-split .radio-label input[type="radio"]:checked + .radio-custom::after {
    width: 6px;
    height: 6px;
  }

  .calc-form-split .action-buttons {
    margin-top: 0.5rem;
    display: flex;
    gap: 0.5rem;
    justify-content: center;
  }

  .calc-form-split .action-btn {
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
    flex: 1;
    max-width: 150px;
  }

  .rental-summary {
    margin-bottom: 0.5rem;
  }

  .summary-metrics {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.35rem;
    margin-bottom: 0.5rem;
  }

  .metric-card {
    padding: 0.35rem;
  }

  .metric-card.primary-metric {
    grid-column: span 2;
    padding: 0.45rem;
  }

  .metric-label {
    font-size: 0.5rem;
    margin-bottom: 0.1rem;
  }

  .metric-value {
    font-size: 0.85rem;
  }

  .metric-sublabel {
    font-size: 0.5rem;
  }

  .summary-row {
    padding: 0.25rem 0;
    font-size: 0.65rem;
  }

  .rental-first-year {
    padding: 0.4rem;
    margin-bottom: 0.5rem;
  }

  .rental-first-year h4 {
    font-size: 0.7rem;
    margin-bottom: 0.3rem;
  }

  .rental-income-table th,
  .rental-income-table td {
    padding: 0.2rem;
    font-size: 0.55rem;
  }

  .rental-timeline {
    margin-top: 0.5rem;
  }

  .rental-timeline h4 {
    font-size: 0.7rem;
    margin-bottom: 0.3rem;
  }

  .rental-timeline-table {
    font-size: 0.5rem;
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 0 -0.5rem;
    padding: 0 0.5rem;
  }

  .rental-timeline-table th,
  .rental-timeline-table td {
    padding: 0.2rem 0.1rem;
    white-space: nowrap;
  }

  .calc-form-split .chart-container {
    height: 160px;
    margin: 0.4rem 0;
  }

  .calc-form-split .view-schedule-btn {
    margin-top: 0.4rem;
    padding: 0.4rem 0.6rem;
    font-size: 0.7rem;
    width: 100%;
  }

  .rental-property-calculator .calculator-header {
    padding: 0.75rem 0.5rem;
  }

  .rental-property-calculator .calculator-header h1 {
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
  }

  .rental-property-calculator .intro-text {
    font-size: 0.75rem;
    line-height: 1.4;
  }

  .rental-property-calculator .results-title {
    font-size: 1rem;
    margin-bottom: 0.5rem;
  }

  .rental-property-calculator .related-tools {
    padding: 1rem 0.5rem;
  }

  .rental-property-calculator .related-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
  }

  .rental-property-calculator .related-card {
    padding: 0.5rem;
  }

  .rental-property-calculator .related-card h3 {
    font-size: 0.8rem;
  }

  .rental-property-calculator .related-card p {
    font-size: 0.65rem;
  }
}

/* Home Equity Loan Calculator */
.home-equity-calculator .calculator-header {
  text-align: center;
  padding: 1rem;
  background: var(--background);
  border-radius: var(--radius);
  margin-bottom: 1rem;
}

.home-equity-calculator .calculator-header h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--foreground);
  margin-bottom: 0.5rem;
}

.home-equity-calculator .intro-text {
  font-size: 0.85rem;
  color: var(--muted-foreground);
  max-width: 700px;
  margin: 0 auto;
}

.home-equity-calculator-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  margin-bottom: 1rem;
}

.home-equity-calculator-card .payment-summary-table {
  margin: 0.75rem 0;
}

.home-equity-calculator-card .results-table {
  width: 100%;
  border-collapse: collapse;
}

.home-equity-calculator-card .results-table td {
  padding: 0.4rem 0.5rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.8rem;
}

.home-equity-calculator-card .results-table td:last-child {
  text-align: right;
  font-weight: 600;
}

.home-equity-calculator-card .results-table tr:last-child td {
  border-bottom: none;
}

.home-equity-calculator-card .results-table tr:first-child td {
  font-weight: 600;
}

.closing-costs-section {
  background: var(--muted);
  padding: 0.75rem;
  border-radius: var(--radius);
  margin-top: 0.5rem;
}

.closing-costs-section h3 {
  margin-bottom: 0.5rem;
}

.closing-costs-content {
  padding: 0.5rem 0;
}

.radio-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-top: 0.5rem;
}

.radio-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  cursor: pointer;
  color: var(--foreground);
}

.radio-label input[type="radio"] {
  display: none;
}

.radio-custom {
  width: 16px;
  height: 16px;
  border: 2px solid var(--border);
  border-radius: 50%;
  display: inline-block;
  position: relative;
  flex-shrink: 0;
}

.radio-label input[type="radio"]:checked + .radio-custom {
  border-color: var(--primary);
}

.radio-label input[type="radio"]:checked + .radio-custom::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
}

.borrow-calculator-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  margin-bottom: 1rem;
}

.borrow-results {
  padding: 1rem;
  background: var(--muted);
  border-radius: var(--radius);
  text-align: center;
}

.borrow-results h3 {
  font-size: 1rem;
  margin-bottom: 0.75rem;
}

.result-amount {
  font-size: 1rem;
  margin-bottom: 0.5rem;
  color: var(--foreground);
}

.result-amount strong {
  color: var(--primary);
  font-size: 1.25rem;
}

.result-info {
  font-size: 0.8rem;
  color: var(--muted-foreground);
  margin-bottom: 0.75rem;
}

.result-disclaimer {
  font-size: 0.7rem;
  color: var(--muted-foreground);
  text-align: left;
  line-height: 1.5;
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
}

@media (max-width: 768px) {
  .home-equity-calculator .calculator-header h1 {
    font-size: 1.25rem;
  }

  .home-equity-calculator .intro-text {
    font-size: 0.75rem;
  }

  .home-equity-calculator-card,
  .borrow-calculator-card {
    padding: 0.75rem;
  }

  .home-equity-calculator-card .results-table td {
    font-size: 0.7rem;
    padding: 0.3rem 0.35rem;
  }

  .borrow-results {
    padding: 0.75rem;
  }

  .result-amount {
    font-size: 0.9rem;
  }

  .result-amount strong {
    font-size: 1.1rem;
  }
}

/* BMI Calculator Styles */
.unit-toggle-container {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  background: var(--secondary);
  border-radius: calc(var(--radius) - 0.25rem);
  padding: 0.25rem;
}

.unit-toggle-btn {
  flex: 1;
  padding: 0.5rem 0.75rem;
  border: none;
  background: transparent;
  color: var(--muted-foreground);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  border-radius: calc(var(--radius) - 0.375rem);
  transition: all 0.2s ease;
}

.unit-toggle-btn:hover {
  color: var(--foreground);
}

.unit-toggle-btn.active {
  background: var(--card);
  color: var(--primary);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.radio-toggle {
  display: flex;
  gap: 0.5rem;
}

.radio-btn {
  flex: 1;
  position: relative;
}

.radio-btn input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.radio-label {
  display: block;
  padding: 0.5rem 1rem;
  background: var(--secondary);
  color: var(--muted-foreground);
  text-align: center;
  border-radius: calc(var(--radius) - 0.25rem);
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.2s ease;
}

.radio-btn input[type="radio"]:checked + .radio-label {
  background: var(--primary);
  color: var(--primary-foreground);
}

.radio-btn:hover .radio-label {
  color: var(--foreground);
}

.height-input-group,
.weight-input-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.height-field {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.height-field input,
.weight-input-group input {
  flex: 1;
  min-width: 0;
}

.input-suffix {
  font-size: 0.75rem;
  color: var(--muted-foreground);
  white-space: nowrap;
}

.form-hint {
  display: block;
  font-size: 0.75rem;
  color: var(--muted-foreground);
  margin-top: 0.25rem;
}

.result-category {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.025em;
  margin-top: 0.5rem;
}

.result-category.normal {
  background: hsl(142 76% 36% / 0.15);
  color: hsl(142 76% 36%);
}

.result-category.overweight {
  background: hsl(43 96% 56% / 0.15);
  color: hsl(43 96% 56%);
}

.result-category.obese-class-i,
.result-category.obese-class-ii,
.result-category.obese-class-iii {
  background: hsl(0 84% 60% / 0.15);
  color: hsl(0 84% 60%);
}

.result-category.severe-thinness,
.result-category.moderate-thinness,
.result-category.mild-thinness {
  background: hsl(45 96% 65% / 0.15);
  color: hsl(45 96% 55%);
}

.formula-box {
  background: var(--secondary);
  padding: 1rem;
  border-radius: var(--radius);
  margin-bottom: 1rem;
}

.formula-box h4 {
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--foreground);
}

.formula {
  font-family: 'Courier New', monospace;
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary);
}

.formula-example {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  margin-top: 0.25rem;
}

.info-table-container {
  margin: 1rem 0;
}

.info-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.info-table th,
.info-table td {
  padding: 0.5rem 0.375rem;
  text-align: left;
  border: 1px solid var(--border);
  word-break: break-word;
}

@media (max-width: 768px) {
  .info-table th,
  .info-table td {
    padding: 0.375rem 0.25rem;
    font-size: 0.75rem;
  }
}

.info-table th {
  background: var(--secondary);
  font-weight: 600;
}

.dark .info-table th {
  background: hsl(215 25% 18%);
}

.bmi-calculator .calculator-card {
  grid-template-columns: 1fr 1fr;
}

@media (max-width: 768px) {
  .bmi-calculator .calculator-card {
    grid-template-columns: 1fr;
  }
  
  .unit-toggle-container {
    flex-wrap: wrap;
  }
}

/* BMI Visual Display */
.bmi-result-display {
  text-align: center;
  padding: 1.5rem;
  background: var(--secondary);
  border-radius: var(--radius);
  margin-bottom: 1.5rem;
}

.bmi-main-result {
  font-size: 1.25rem;
  color: var(--foreground);
}

.bmi-equals {
  font-weight: 500;
}

.bmi-value-large {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
  margin: 0 0.25rem;
}

.bmi-unit {
  font-size: 1rem;
  font-weight: 400;
  color: var(--muted-foreground);
}

.bmi-category-display {
  display: block;
  margin-top: 0.75rem;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
}

.bmi-category-display.normal {
  background: hsl(142 76% 36% / 0.15);
  color: hsl(142 76% 36%);
}

.bmi-category-display.overweight {
  background: hsl(43 96% 56% / 0.15);
  color: hsl(43 96% 56%);
}

.bmi-category-display.obese-class-i,
.bmi-category-display.obese-class-ii,
.bmi-category-display.obese-class-iii {
  background: hsl(0 84% 60% / 0.15);
  color: hsl(0 84% 60%);
}

.bmi-category-display.severe-thinness,
.bmi-category-display.moderate-thinness,
.bmi-category-display.mild-thinness {
  background: hsl(45 96% 65% / 0.15);
  color: hsl(45 96% 55%);
}

/* BMI Visual Bar */
.bmi-visual-bar {
  margin-bottom: 1.5rem;
  position: relative;
}

.bmi-bar-track {
  position: relative;
  height: 24px;
  border-radius: 12px;
  overflow: visible;
  display: flex;
}

.bmi-bar-segment {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.625rem;
  font-weight: 600;
  color: white;
  text-transform: uppercase;
}

.bmi-bar-track .bmi-bar-segment {
  flex: 1;
}

#bodyFatVisualBar .bmi-bar-track .bmi-bar-segment.essential { flex: 0.25; }
#bodyFatVisualBar .bmi-bar-track .bmi-bar-segment.athletes { flex: 0.5; }
#bodyFatVisualBar .bmi-bar-track .bmi-bar-segment.fitness { flex: 0.25; }
#bodyFatVisualBar .bmi-bar-track .bmi-bar-segment.average { flex: 0.5; }
#bodyFatVisualBar .bmi-bar-track .bmi-bar-segment.obese { flex: 1; }

.bmi-bar-segment.underweight {
  background: linear-gradient(90deg, #6ea8fe, #82c91e);
}

.bmi-bar-segment.normal {
  background: linear-gradient(90deg, #82c91e, #37b24d);
}

.bmi-bar-segment.overweight {
  background: linear-gradient(90deg, #37b24d, #fab005);
}

.bmi-bar-segment.obesity {
  background: linear-gradient(90deg, #fab005, #e03131);
}

.bmi-bar-segment.essential {
  background: linear-gradient(90deg, #3b82f6, #06b6d4);
}

.bmi-bar-segment.athletes {
  background: linear-gradient(90deg, #06b6d4, #10b981);
}

.bmi-bar-segment.fitness {
  background: linear-gradient(90deg, #10b981, #22c55e);
}

.bmi-bar-segment.average {
  background: linear-gradient(90deg, #22c55e, #f59e0b);
}

.bmi-bar-segment.obese {
  background: linear-gradient(90deg, #f59e0b, #ef4444);
}

.bmi-visual-bar {
  margin-bottom: 1.5rem;
}

.bmi-indicator {
  position: absolute;
  top: -6px;
  width: 0;
  height: 0;
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-top: 12px solid #212529;
  transform: translateX(-50%);
  transition: left 0.3s ease;
  filter: drop-shadow(0 2px 2px rgba(0, 0, 0, 0.3));
}

.bmi-bar-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 0.25rem;
  font-size: 0.625rem;
  color: var(--muted-foreground);
}

.height-convert-group,
.weight-convert-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.height-convert-field,
.weight-convert-field {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex: 1;
  min-width: 80px;
}

.height-convert-field input,
.weight-convert-field input {
  flex: 1;
  min-width: 0;
}

.convert-separator {
  font-size: 0.75rem;
  color: var(--muted-foreground);
  white-space: nowrap;
}

.height-all-units,
.weight-all-units {
  display: flex;
  gap: 0.5rem;
}

.height-unit-field,
.weight-unit-field {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex: 1;
}

.height-unit-field input,
.weight-unit-field input {
  flex: 1;
  min-width: 0;
}

.unit-converter {
  background: var(--secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 1rem;
  overflow: hidden;
}

.converter-header {
  padding: 0.5rem 1rem;
  background: var(--primary);
  color: var(--primary-foreground);
  font-size: 0.75rem;
  font-weight: 500;
}

.converter-tabs {
  display: flex;
  background: var(--card);
  border-bottom: 1px solid var(--border);
}

.converter-tab {
  flex: 1;
  padding: 0.5rem;
  border: none;
  background: transparent;
  color: var(--muted-foreground);
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.converter-tab:hover {
  color: var(--foreground);
}

.converter-tab.active {
  color: var(--primary);
  border-bottom: 2px solid var(--primary);
}

.converter-content {
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.converter-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.converter-row label {
  width: 40px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--foreground);
}

.converter-select {
  flex: 1;
  padding: 0.375rem;
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) - 0.25rem);
  background: var(--card);
  color: var(--foreground);
  font-size: 0.75rem;
}

.converter-input {
  flex: 1;
  padding: 0.375rem;
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) - 0.25rem);
  background: var(--card);
  color: var(--foreground);
  font-size: 0.75rem;
}

.converter-equals {
  font-weight: 600;
  color: var(--primary);
}

/* Macro Calculator - Unit Toggle */
.unit-toggle-group {
  margin-bottom: 1rem;
}

.unit-toggle-buttons {
  display: flex;
  gap: 0.5rem;
  background: var(--secondary);
  border-radius: calc(var(--radius) - 0.25rem);
  padding: 0.25rem;
}

.unit-toggle-btn {
  flex: 1;
  padding: 0.5rem 0.75rem;
  border: none;
  background: transparent;
  color: var(--muted-foreground);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  border-radius: calc(var(--radius) - 0.375rem);
  transition: all 0.2s ease;
}

.unit-toggle-btn:hover {
  color: var(--foreground);
}

.unit-toggle-btn.active {
  background: var(--card);
  color: var(--primary);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* Unit Form (for switching between US/Metric/Other forms) */
.unit-form {
  /* Default display */
}

.unit-form[style*="display: none"] {
  display: none;
}

/* Formula Selector */
.formula-selector {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.formula-btn {
  flex: 1;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  background: var(--secondary);
  color: var(--muted-foreground);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  border-radius: calc(var(--radius) - 0.25rem);
  transition: all 0.2s ease;
}

.formula-btn:hover {
  border-color: var(--primary);
  color: var(--foreground);
}

.formula-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--primary-foreground);
}

/* Macro Calculator - Radio Group */
.radio-group {
  display: flex;
  gap: 1rem;
}

.radio-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  font-size: 0.875rem;
  color: var(--foreground);
}

.radio-label input[type="radio"] {
  display: none;
}

.radio-custom {
  width: 18px;
  height: 18px;
  border: 2px solid var(--border);
  border-radius: 50%;
  position: relative;
  transition: all 0.2s ease;
}

.radio-label input[type="radio"]:checked + .radio-custom {
  border-color: var(--primary);
}

.radio-label input[type="radio"]:checked + .radio-custom::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
}

.dark .radio-custom {
  border-color: var(--border);
}

.dark .radio-label input:checked + .radio-custom {
  border-color: var(--primary);
}

.dark .radio-label input:checked + .radio-custom::after {
  background: var(--primary);
}

/* Body Fat Group */
.body-fat-group {
  margin-top: 1rem;
}

.bodyfat-input-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.bodyfat-input-group input {
  flex: 1;
  min-width: 0;
}

/* Food Table */
.food-table-container {
  overflow-x: auto;
  margin: 1rem 0;
}

.food-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.food-table th,
.food-table td {
  padding: 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.food-table th {
  background: var(--secondary);
  font-weight: 600;
  color: var(--foreground);
}

.food-table td {
  color: var(--foreground);
  background-color: #f8f9fa !important;
}

.food-table tr:nth-child(even) td {
  background-color: #e9ecef !important;
}

.dark .food-table td {
  background-color: hsl(215, 25%, 15%) !important;
}

.dark .food-table tr:nth-child(even) td {
  background-color: hsl(215, 25%, 22%) !important;
}

.food-table tr:hover td {
  background: var(--secondary) !important;
}

.food-category {
  font-weight: 700;
  background: var(--secondary) !important;
  color: var(--primary);
  text-align: left;
  padding: 0.5rem 0.75rem;
}

.bmi-chart-links {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.chart-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: var(--secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--foreground);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.2s ease;
}

.chart-link:hover {
  background: var(--primary);
  color: var(--primary-foreground);
  border-color: var(--primary);
}

.chart-link svg {
  flex-shrink: 0;
}

.chart-image {
  max-width: 500px;
}

.bmi-adult-chart {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

/* Macro Calculator Results */
.result-intro {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  margin-bottom: 1.5rem;
  line-height: 1.5;
}

.macro-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.5rem;
}

.macro-tab-btn {
  padding: 0.5rem 1rem;
  border: none;
  background: transparent;
  color: var(--muted-foreground);
  font-size: 0.8125rem;
  font-weight: 500;
  cursor: pointer;
  border-radius: calc(var(--radius) - 0.25rem);
  transition: all 0.2s ease;
}

.macro-tab-btn:hover {
  color: var(--foreground);
  background: var(--secondary);
}

.macro-tab-btn.active {
  background: var(--primary);
  color: var(--primary-foreground);
}

.custom-macro-inputs {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding: 1rem;
  background: var(--secondary);
  border-radius: var(--radius);
}

.custom-macro-row {
  flex: 1;
  min-width: 80px;
}

.custom-macro-row label {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--muted-foreground);
  margin-bottom: 0.25rem;
}

.custom-macro-row input {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) - 0.25rem);
  background: var(--card);
  color: var(--foreground);
  font-size: 0.875rem;
}

.custom-macro-total {
  width: 100%;
  text-align: right;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--foreground);
  margin-top: 0.5rem;
}

.macro-results-table {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 1rem;
}

.macro-result-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  gap: 0.5rem;
}

.macro-result-row:last-child {
  border-bottom: none;
}

.macro-result-row.sub-result {
  background: var(--secondary);
  padding-left: 1.5rem;
}

.macro-result-row.energy-result {
  background: var(--primary);
  color: var(--primary-foreground);
}

.macro-result-label {
  font-weight: 600;
  font-size: 0.875rem;
  min-width: 120px;
}

.macro-result-sublabel {
  font-size: 0.75rem;
  color: var(--muted-foreground);
  font-style: italic;
}

.macro-result-value {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--primary);
}

.macro-result-row.energy-result .macro-result-value {
  color: var(--primary-foreground);
}

.macro-result-range {
  font-size: 0.8125rem;
  color: var(--muted-foreground);
}

.result-disclaimer {
  font-size: 0.75rem;
  color: var(--muted-foreground);
  font-style: italic;
  line-height: 1.5;
  margin-bottom: 1.5rem;
  padding: 0.75rem;
  background: var(--secondary);
  border-radius: var(--radius);
}

@media (max-width: 640px) {
  .macro-tabs {
    justify-content: center;
  }
  
  .macro-tab-btn {
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
  }
  
  .macro-result-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
  }
  
  .macro-result-label {
    min-width: auto;
  }
}

/* Pregnancy Calculator Styles */
.calc-method-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.calc-method-btn {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  background: var(--secondary);
  color: var(--muted-foreground);
  font-size: 0.8125rem;
  font-weight: 500;
  cursor: pointer;
  border-radius: calc(var(--radius) - 0.25rem);
  transition: all 0.2s ease;
}

.calc-method-btn:hover {
  border-color: var(--primary);
  color: var(--foreground);
}

.calc-method-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--primary-foreground);
}

.pregnancy-length-input {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.pregnancy-length-input input {
  width: 70px;
  text-align: center;
}

.pregnancy-length-input span {
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

.radio-group.horizontal {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

@media (max-width: 640px) {
  .calc-method-tabs {
    justify-content: center;
  }
  
  .calc-method-btn {
    padding: 0.375rem 0.625rem;
    font-size: 0.75rem;
  }
  
  .pregnancy-length-input {
    flex-wrap: wrap;
  }
}

/* Pregnancy Summary Styles */
.pregnancy-summary {
  margin: 1.5rem 0;
  padding: 1rem;
  background: var(--secondary);
  border-radius: var(--radius);
}

.summary-intro {
  font-size: 1rem;
  font-weight: 600;
  color: var(--foreground);
  margin-bottom: 0.5rem;
}

.summary-trimester {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.summary-size {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  margin-bottom: 0.5rem;
}

.summary-conception {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  margin-bottom: 0.5rem;
}

.summary-progress {
  font-size: 0.875rem;
  color: var(--foreground);
  margin-top: 0.75rem;
}

.summary-progress progress {
  width: 100%;
  height: 20px;
  border-radius: 10px;
}

.summary-progress progress::-webkit-progress-bar {
  background-color: var(--secondary);
  border-radius: 10px;
}

.summary-progress progress::-webkit-progress-value {
  background-color: var(--primary);
  border-radius: 10px;
}

/* Pregnancy Timeline Table */
.pregnancy-timeline-table {
  margin: 1.5rem 0;
}

.timeline-table-wrapper {
  overflow-x: auto;
  max-height: 400px;
  overflow-y: auto;
}

.timeline-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8125rem;
}

.timeline-table th,
.timeline-table td {
  padding: 0.5rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.timeline-table th {
  background: var(--secondary);
  font-weight: 600;
  color: var(--foreground);
  position: sticky;
  top: 0;
  z-index: 1;
}

.timeline-table td {
  color: var(--foreground);
}

.timeline-table tr.current-week td {
  background: var(--primary);
  color: var(--primary-foreground);
  font-weight: 600;
}

.timeline-note {
  font-size: 0.75rem;
  color: var(--muted-foreground);
  font-style: italic;
  margin-top: 0.75rem;
}

@media (max-width: 640px) {
  .timeline-table-wrapper {
    overflow-x: auto;
    max-height: none;
    overflow-y: visible;
  }
  
  .timeline-table {
    font-size: 0.75rem;
  }
  
  .timeline-table th,
  .timeline-table td {
    padding: 0.375rem;
  }
}

/* Pace Calculator Styles */

/* Time Input Group */
.time-input-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.time-input-group input {
  flex: 1;
  min-width: 120px;
}

.time-input-group .input-hint {
  font-size: 0.75rem;
  color: var(--muted-foreground);
  white-space: nowrap;
}

/* Distance Input Group */
.distance-input-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.distance-input-group input {
  flex: 1;
  min-width: 100px;
}

.distance-input-group select {
  width: 120px;
}

/* Event Select Group */
.event-select-group {
  margin-top: 0.75rem;
}

.event-select-group label {
  display: block;
  font-size: 0.875rem;
  color: var(--muted-foreground);
  margin-bottom: 0.375rem;
}

.event-select-group select {
  width: 100%;
}

/* Pace Input Group */
.pace-input-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.pace-input-group input {
  flex: 1;
  min-width: 120px;
}

.pace-input-group .input-hint {
  font-size: 0.75rem;
  color: var(--muted-foreground);
  white-space: nowrap;
}

.pace-input-group select {
  width: 160px;
}

/* Form Note */
.form-note {
  font-size: 0.75rem;
  color: var(--muted-foreground);
  margin-top: 0.75rem;
  font-style: italic;
}

/* Result Unit */
.result-unit {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  margin-top: 0.25rem;
}

/* Result Section */
.result-section {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  overflow-x: auto;
}

.result-section h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--foreground);
}

/* Multipoint Calculator */
.multipoint-inputs {
  margin-bottom: 1rem;
  overflow-x: auto;
}

.mp-header {
  display: grid;
  grid-template-columns: 40px 80px 100px 90px;
  gap: 0.5rem;
  padding: 0.5rem;
  font-weight: 600;
  font-size: 0.75rem;
  color: var(--muted-foreground);
  text-transform: uppercase;
}

.mp-row {
  display: grid;
  grid-template-columns: 40px 80px 100px 90px;
  gap: 0.5rem;
  padding: 0.5rem 0;
  align-items: center;
  border-bottom: 1px solid var(--border);
}

.mp-num {
  font-weight: 600;
  color: var(--foreground);
  font-size: 0.875rem;
}

.mp-row input {
  width: 100%;
  padding: 0.375rem;
  font-size: 0.875rem;
}

.mp-row select {
  width: 100%;
  font-size: 0.75rem;
  padding: 0.375rem;
}

/* Pace Converter */
.converter-input-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.converter-input-group input {
  flex: 1;
  min-width: 100px;
}

.converter-equals {
  text-align: center;
  padding: 0.75rem 0;
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--primary);
}

/* Result Table */
.result-table {
  width: 100%;
  min-width: 450px;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.result-table th,
.result-table td {
  padding: 0.5rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 0.8125rem;
  white-space: nowrap;
}

.result-table th {
  font-weight: 600;
  color: var(--foreground);
  background: var(--secondary);
}

.result-table .pace-cell {
  font-weight: 600;
  color: var(--primary);
}

/* Table wrapper for horizontal scroll */
.result-section {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.dark .result-table th {
  background: hsl(215 25% 18%);
}

/* Make result tables scrollable on mobile */
.result-section {
  overflow-x: auto;
}

/* Info Table */
.info-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: 0.875rem;
}

.info-table th,
.info-table td {
  padding: 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.info-table th {
  font-weight: 600;
  background: var(--secondary);
  color: var(--foreground);
}

.info-table td {
  color: var(--foreground);
}

.dark .info-table th {
  background: hsl(215 25% 18%);
}

/* Calculator Info Section */
.calculator-info {
  margin: 2rem 0;
  padding: 1.5rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow-x: visible;
}

.calculator-info h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--foreground);
}

.calculator-info h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin: 1.5rem 0 0.75rem;
  color: var(--foreground);
}

.calculator-info p {
  color: var(--muted-foreground);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.calculator-info ul {
  list-style: disc;
  padding-left: 1.5rem;
  color: var(--muted-foreground);
  line-height: 1.8;
}

.calculator-info article {
  margin-bottom: 1.5rem;
}

.calculator-info article:last-child {
  margin-bottom: 0;
}

/* Responsive */
@media (max-width: 768px) {
  .mp-header,
  .mp-row {
    grid-template-columns: 30px 1fr 90px 100px;
    font-size: 0.75rem;
  }
  
  .pace-input-group {
    flex-direction: column;
    align-items: stretch;
  }
  
  .pace-input-group select {
    width: 100%;
  }
}

/* Race Times Grid */
.race-times-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
}

.race-time-row {
  display: flex;
  justify-content: space-between;
  padding: 0.5rem;
  background: var(--secondary);
  border-radius: calc(var(--radius) - 0.25rem);
}

.race-dist {
  font-weight: 500;
  color: var(--foreground);
}

.race-time {
  font-weight: 600;
  color: var(--primary);
}

@media (max-width: 480px) {
  .race-times-grid {
    grid-template-columns: 1fr;
  }
}

/* Splits Grid */
.splits-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.splits-col {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.splits-header {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--muted-foreground);
  margin-bottom: 0.25rem;
}

.split-row {
  display: flex;
  justify-content: space-between;
  padding: 0.25rem 0.375rem;
  background: var(--secondary);
  border-radius: calc(var(--radius) - 0.35rem);
  font-size: 0.8125rem;
}

.split-dist {
  font-weight: 500;
  color: var(--foreground);
}

.split-time {
  font-weight: 600;
  color: var(--primary);
}

@media (max-width: 480px) {
  .splits-grid {
    grid-template-columns: 1fr;
  }
}

/* Carbohydrate Calculator Styles */
.unit-toggle {
  margin-bottom: 1rem;
}

.unit-tabs {
  display: flex;
  gap: 0;
  background: var(--secondary);
  border-radius: var(--radius);
  padding: 0.25rem;
  max-width: 440px;
}

.unit-tab {
  flex: 1;
  padding: 0.5rem 1rem;
  border: none;
  background: transparent;
  color: var(--muted-foreground);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  border-radius: calc(var(--radius) - 0.25rem);
  transition: all 0.2s;
}

.unit-tab:hover {
  color: var(--foreground);
}

.unit-tab.active {
  background: var(--card);
  color: var(--primary);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.height-inputs {
  display: flex;
  gap: 0.75rem;
}

.height-field {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.height-field input {
  width: 70px;
}

.weight-input,
.metric-input {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.activity-notes {
  margin-top: 1rem;
  padding: 1rem;
  background: var(--secondary);
  border-radius: var(--radius);
}

.activity-notes ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.activity-notes li {
  font-size: 0.8125rem;
  color: var(--muted-foreground);
  margin-bottom: 0.5rem;
}

.activity-notes li:last-child {
  margin-bottom: 0;
}

.activity-notes strong {
  color: var(--foreground);
}

/* Calorie Calculator Result Cards */
.result-header-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.result-header-row .result-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--foreground);
  margin: 0;
}

.result-intro {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  margin: 0 0 1rem 0;
  line-height: 1.5;
}

.calorie-card {
  background: var(--secondary);
  border-radius: calc(var(--radius) - 0.25rem);
  padding: 1rem 1.25rem;
  margin-bottom: 0.75rem;
  border: 1px solid var(--border);
}

.calorie-card:last-of-type {
  margin-bottom: 0;
}

.calorie-card-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--foreground);
  margin-bottom: 0.25rem;
}

.calorie-card-subtitle {
  font-size: 0.8125rem;
  color: var(--muted-foreground);
  margin-bottom: 0.375rem;
}

.calorie-card-value {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin-bottom: 0.125rem;
}

.calorie-number {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}

.calorie-pct {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  font-weight: 500;
}

.calorie-card-unit {
  font-size: 0.8125rem;
  color: var(--muted-foreground);
}

.calorie-warning {
  font-size: 0.8125rem;
  color: hsl(0, 70%, 50%);
  background: hsl(0, 70%, 50%, 0.08);
  padding: 0.75rem 1rem;
  border-radius: calc(var(--radius) - 0.25rem);
  border-left: 3px solid hsl(0, 70%, 50%);
  margin-top: 0.75rem;
  line-height: 1.5;
}

.dark .calorie-warning {
  background: hsl(0, 70%, 50%, 0.15);
  color: hsl(0, 70%, 65%);
}

.weight-gain-toggle {
  margin-top: 0.75rem;
}

.weight-gain-section {
  margin-top: 0.75rem;
}

/* Zigzag Section */
.zigzag-section {
  margin-top: 1.5rem;
}

.zigzag-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--foreground);
  margin: 0 0 0.5rem 0;
}

.zigzag-intro {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  margin: 0 0 1rem 0;
  line-height: 1.5;
}

.zigzag-intro a {
  color: var(--primary);
  text-decoration: none;
}

.zigzag-intro a:hover {
  text-decoration: underline;
}

.zigzag-schedule {
  margin-bottom: 1.25rem;
}

.zigzag-schedule h4 {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--foreground);
  margin: 0 0 0.5rem 0;
}

.zigzag-schedule table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.zigzag-schedule th,
.zigzag-schedule td {
  padding: 0.625rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.zigzag-schedule th {
  background: var(--secondary);
  font-weight: 600;
  color: var(--foreground);
}

.dark .zigzag-schedule th {
  background: hsl(215 25% 18%);
}

.zigzag-schedule td:first-child {
  font-weight: 500;
  color: var(--muted-foreground);
  white-space: nowrap;
}

.zigzag-schedule tr:nth-child(even) td {
  background: var(--background);
}

.dark .zigzag-schedule tr:nth-child(even) td {
  background: hsl(215 25% 13%);
}

/* Activity Level Section */
.activity-level-section {
  margin-top: 1.5rem;
}

.activity-level-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--foreground);
  margin: 0 0 0.5rem 0;
}

.activity-level-intro {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  margin: 0 0 0.75rem 0;
  line-height: 1.5;
}

.activity-level-intro #maintenanceCalRef {
  font-weight: 600;
  color: var(--foreground);
}

.activity-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.activity-table th,
.activity-table td {
  padding: 0.625rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.activity-table th {
  background: var(--secondary);
  font-weight: 600;
  color: var(--foreground);
}

.dark .activity-table th {
  background: hsl(215 25% 18%);
}

.activity-table td:first-child {
  color: var(--muted-foreground);
}

.activity-table td:last-child {
  font-weight: 600;
  color: var(--foreground);
  white-space: nowrap;
}

/* What Is Next Section */
.what-is-next-section {
  margin-top: 1.5rem;
}

.what-is-next-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--foreground);
  margin: 0 0 0.75rem 0;
}

.what-is-next-list {
  padding-left: 1.25rem;
  margin: 0;
}

.what-is-next-list li {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  margin-bottom: 0.5rem;
  line-height: 1.5;
}

.what-is-next-list li:last-child {
  margin-bottom: 0;
}

.field-note {
  display: block;
  font-size: 0.75rem;
  color: var(--muted-foreground);
  margin-top: 0.25rem;
}

.field-note a {
  color: var(--primary);
  text-decoration: none;
}

.field-note a:hover {
  text-decoration: underline;
}

.table-note {
  font-size: 0.8125rem;
  color: var(--muted-foreground);
  margin-top: 0.5rem;
  font-style: italic;
}

.meal-plan-table td {
  vertical-align: top;
  line-height: 1.6;
}

.meal-plan-table td strong {
  color: var(--primary);
}

.food-energy-converter {
  margin-top: 1.5rem;
  padding: 1.25rem;
  background: var(--secondary);
  border-radius: calc(var(--radius) - 0.25rem);
  border: 1px solid var(--border);
}

.food-energy-converter h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--foreground);
  margin: 0 0 0.5rem 0;
}

.food-energy-converter > p {
  font-size: 0.8125rem;
  color: var(--muted-foreground);
  margin: 0 0 1rem 0;
  line-height: 1.4;
}

.food-energy-converter .converter-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.food-energy-converter .converter-row + .converter-row {
  margin-top: 0.5rem;
}

.energy-select {
  flex: 1;
  padding: 0.625rem 0.75rem;
  font-size: 0.875rem;
  font-family: inherit;
  border: 1px solid var(--input);
  border-radius: calc(var(--radius) - 0.25rem);
  background: var(--card);
  color: var(--foreground);
  cursor: pointer;
  min-width: 0;
}

.energy-select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.energy-input {
  width: 140px;
  padding: 0.625rem 0.75rem;
  font-size: 0.875rem;
  font-family: inherit;
  border: 1px solid var(--input);
  border-radius: calc(var(--radius) - 0.25rem);
  background: var(--card);
  color: var(--foreground);
  text-align: right;
  flex-shrink: 0;
}

.energy-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.energy-input[readonly] {
  background: var(--background);
  color: var(--muted-foreground);
  cursor: default;
}

.converter-equals-sign {
  text-align: center;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
  padding: 0.25rem 0;
}

.settings-panel {
  padding: 1rem;
  background: var(--secondary);
  border-radius: calc(var(--radius) - 0.25rem);
}

.settings-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.tooltip-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  background: var(--muted-foreground);
  color: var(--card);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 50%;
  cursor: help;
}

.formula-options {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.body-fat-input {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.5rem;
  margin-left: 1.5rem;
}

.body-fat-input a {
  color: var(--primary);
  font-size: 0.875rem;
}

.body-fat-input input {
  width: 60px;
}

.radio-group {
  display: flex;
  gap: 1.5rem;
}

.radio-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
}

.radio-label input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.radio-custom {
  width: 18px;
  height: 18px;
  border: 2px solid var(--border);
  border-radius: 50%;
  position: relative;
  transition: all 0.2s;
}

.radio-label input[type="radio"]:checked + .radio-custom {
  border-color: var(--primary);
}

.radio-label input[type="radio"]:checked + .radio-custom::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
}

.radio-label input[type="radio"]:focus + .radio-custom {
  box-shadow: 0 0 0 2px var(--primary);
}

.radio-text {
  font-size: 0.9375rem;
  color: var(--foreground);
}

.results-section {
  padding: 1rem;
}

.result-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--foreground);
  margin-bottom: 0.75rem;
}

.result-intro {
  font-size: 1rem;
  color: var(--muted-foreground);
  margin-bottom: 1rem;
  font-style: italic;
}

.result-footnote {
  font-size: 0.75rem;
  color: var(--muted-foreground);
  margin-top: 1rem;
  line-height: 1.5;
}

.results-table-container {
  overflow-x: auto;
  margin: 1rem 0;
}

.carb-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.carb-table th,
.carb-table td {
  padding: 0.75rem;
  text-align: center;
  border: 1px solid var(--border);
}

.carb-table th {
  background: var(--secondary);
  color: var(--foreground);
  font-weight: 600;
}

.carb-table td:first-child {
  text-align: left;
  font-weight: 500;
  color: var(--foreground);
  background: var(--secondary);
}

.carb-table td {
  color: var(--muted-foreground);
}

.carb-table td strong {
  color: var(--primary);
  font-weight: 600;
}

.carb-table tr:hover td {
  background: var(--secondary);
}

.other-units-note {
  padding: 1rem;
  background: var(--secondary);
  border-radius: var(--radius);
  color: var(--muted-foreground);
  font-size: 0.875rem;
  text-align: center;
  margin-top: 1rem;
}

/* Carbohydrate Calculator - Equal columns */
.carb-calculator {
  grid-template-columns: 1fr 1fr !important;
}

.carb-calculator .calc-form {
  min-width: 0;
}

.carb-calculator .calc-form.hidden {
  display: none;
}

.carb-calculator .calc-results {
  min-width: 0;
  align-self: start;
  position: sticky;
  top: 1rem;
}

.carb-calculator.no-form {
  grid-template-columns: 1fr !important;
}

.carb-calculator.no-form .calc-results {
  max-width: 800px;
  margin: 0 auto;
}

/* Anorexic BMI Calculator - Equal columns */
.anorexic-bmi-calculator {
  grid-template-columns: 1fr 1fr !important;
}

.anorexic-bmi-calculator .calc-form {
  min-width: 0;
}

.anorexic-bmi-calculator .calc-form.hidden {
  display: none !important;
}

.anorexic-bmi-calculator .calc-results {
  min-width: 0;
  align-self: start;
  position: sticky;
  top: 1rem;
}

.anorexic-bmi-calculator.no-form {
  grid-template-columns: 1fr !important;
}

.anorexic-bmi-calculator.no-form .calc-results {
  max-width: 800px;
  margin: 0 auto;
}

.carb-table {
  font-size: 0.8125rem;
}

.carb-table th,
.carb-table td {
  padding: 0.5rem 0.375rem;
}

/* Unit Converter */
.unit-converter {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  margin-top: 1rem;
}

.converter-type-section {
  margin-bottom: 1.5rem;
}

.converter-type-section label {
  display: block;
  font-size: 0.75rem;
  color: var(--muted-foreground);
  margin-bottom: 0.25rem;
}

.converter-type-section select {
  padding: 0.5rem 1rem;
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) - 0.25rem);
  font-size: 0.875rem;
  background: var(--background);
  color: var(--foreground);
  cursor: pointer;
  min-width: 160px;
}

.converter-input-section {
  display: flex;
  gap: 1rem;
  align-items: flex-end;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.converter-unit-select {
  flex: 1;
  min-width: 140px;
}

.converter-unit-select label {
  display: block;
  font-size: 0.75rem;
  color: var(--muted-foreground);
  margin-bottom: 0.25rem;
}

.converter-unit-select select {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) - 0.25rem);
  font-size: 0.875rem;
  background: var(--background);
  color: var(--foreground);
  cursor: pointer;
}

.converter-value-input {
  flex: 1;
  min-width: 140px;
}

.converter-value-input input {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) - 0.25rem);
  font-size: 0.875rem;
  background: var(--background);
  color: var(--foreground);
}

.converter-result-section {
  text-align: center;
}

.converter-result-display {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 1rem 2rem;
  background: var(--secondary);
  border-radius: var(--radius);
}

.result-label {
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

.result-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}

.result-unit {
  font-size: 1rem;
  color: var(--foreground);
  font-weight: 500;
}

.dark .converter-type-section select,
.dark .converter-unit-select select,
.dark .converter-value-input input {
  border-color: hsl(215 25% 25%);
  background: hsl(215 25% 15%);
}

.dark .converter-result-display {
  background: hsl(215 25% 15%);
}

.dark .converter-input-section {
  border-color: hsl(215 25% 25%);
}

@media (max-width: 600px) {
  .converter-input-section {
    flex-direction: column;
    align-items: stretch;
  }
  
  .converter-type-section select {
    width: 100%;
  }

  .food-energy-converter .converter-row {
    flex-direction: column;
    align-items: stretch;
  }

  .energy-select,
  .energy-input {
    width: 100%;
  }

  .converter-result-display .result-value {
    font-size: 2rem;
  }

  .converter-result-display .result-unit {
    font-size: 1.25rem;
  }
}

/* Dark mode styles */
.dark .carb-table th {
  background: hsl(215 25% 18%);
}

.dark .carb-table td:first-child {
  background: hsl(215 25% 18%);
}

.dark .carb-table tr:hover td {
  background: hsl(215 25% 18%);
}

.dark .radio-custom {
  border-color: hsl(215 25% 30%);
}

.dark .activity-notes {
  background: hsl(215 25% 15%);
}

.dark .food-energy-converter {
  background: hsl(215 25% 15%);
}

.dark .settings-panel {
  background: hsl(215 25% 15%);
}

.dark .other-units-note {
  background: hsl(215 25% 15%);
}

@media (max-width: 768px) {
  .calculator-card {
    grid-template-columns: 1fr;
    padding: 1rem;
    gap: 1rem;
  }

  .calc-form {
    padding: 1rem;
  }

  .calc-results {
    padding: 1rem;
    min-width: 0;
    width: 100%;
    overflow: visible;
  }

  .result-table-container {
    width: 100%;
    overflow: hidden;
  }
  
  .result-table {
    width: 100%;
    font-size: 0.7rem;
    table-layout: fixed;
  }
  
  .result-table td {
    padding: 0.375rem 0.5rem;
    word-break: break-word;
    font-size: 0.7rem;
  }
  
  .result-table td:first-child {
    width: auto;
  }
  
  .result-table td:last-child {
    width: auto;
  }
  
  .calendar-container {
    width: 100%;
    overflow: hidden;
  }
  
  .calendar-table {
    font-size: 0.65rem;
    width: 100%;
  }
  
  .calendar-table td {
    padding: 0.2rem;
    font-size: 0.6rem;
  }
  
  .cycles-table-container {
    width: 100%;
    overflow: hidden;
  }
  
  .cycles-table {
    width: 100%;
    font-size: 0.65rem;
    table-layout: fixed;
  }
  
  .cycles-table th,
  .cycles-table td {
    padding: 0.25rem 0.375rem;
    font-size: 0.65rem;
  }

  .form-actions {
    flex-direction: column;
  }

  .form-actions button {
    width: 100%;
  }
}

  .carb-calculator {
    grid-template-columns: 1fr !important;
  }

  .carb-calculator .calc-results {
    position: static;
  }

  .carb-table {
    font-size: 0.75rem;
  }

  .carb-table th,
  .carb-table td {
    padding: 0.5rem 0.25rem;
  }

  .height-inputs {
    flex-direction: column;
    gap: 0.5rem;
  }

  .height-field input {
    width: 100%;
  }

  /* Unit Converter Mobile Styles */
  .unit-converter {
    margin-bottom: 1rem;
  }

  .converter-tabs {
    flex-wrap: wrap;
  }

  .converter-tab {
    flex: 1 1 auto;
    padding: 0.75rem 0.5rem;
    font-size: 0.8125rem;
    text-align: center;
    min-width: calc(33.33% - 0.25rem);
  }

  .converter-content {
    padding: 0.75rem;
  }

  .converter-row {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
  }

  .converter-row label {
    font-size: 0.75rem;
  }

  .converter-select,
  .converter-input {
    width: 100%;
    font-size: 0.875rem;
    padding: 0.5rem;
  }

  .converter-equals {
    text-align: center;
    padding: 0.25rem 0;
  }
}

/* Healthy Weight Calculator */
.healthy-weight-calculator {
  grid-template-columns: 1fr !important;
  max-width: 800px;
  margin: 0 auto;
}

.healthy-weight-calculator .calc-form {
  text-align: center;
}

.weight-scale-container {
  margin: 2rem 0;
  padding: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.scale-bar {
  display: flex;
  height: 40px;
  min-width: 100%;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.scale-segment {
  position: relative;
}

.weight-labels {
  position: relative;
  margin-top: 0.5rem;
  padding: 0 2rem;
  min-width: 100%;
  box-sizing: border-box;
}

.labels-row {
  display: flex;
  justify-content: space-between;
  position: relative;
  min-width: 100%;
}

.bmi-label {
  position: absolute;
  transform: translateX(-50%);
  font-size: 0.75rem;
  color: var(--muted-foreground);
  font-weight: 500;
}

.label-start {
  width: 0;
}

.weight-markers {
  position: relative;
  margin-top: 0.25rem;
  padding: 0 2rem;
  min-width: 100%;
  box-sizing: border-box;
}

.markers-row {
  display: flex;
  justify-content: space-between;
  position: relative;
  height: 50px;
  min-width: 100%;
}

.weight-marker {
  position: absolute;
  transform: translateX(-50%);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.marker-arrow {
  font-size: 1.25rem;
  color: var(--foreground);
  line-height: 1;
  padding-top: 15px;
}

.marker-value {
  font-size: 0.75rem;
  color: var(--foreground);
  font-weight: 600;
  white-space: nowrap;
}

.marker-start {
  width: 0;
}

.bmi-categories {
  margin-top: 2rem;
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.category-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem;
  background: var(--secondary);
  border-radius: calc(var(--radius) - 0.25rem);
  transition: transform 0.2s ease;
}

.category-item:hover {
  transform: translateY(-2px);
}

.category-color {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  margin-top: 0.25rem;
  flex-shrink: 0;
}

.category-content {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.category-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--foreground);
}

.category-weight {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
}

.category-bmi {
  font-size: 0.75rem;
  color: var(--muted-foreground);
}

.result-intro {
  font-size: 1.125rem;
  color: var(--muted-foreground);
  text-align: center;
  margin-bottom: 1.5rem;
}

.result-intro strong {
  color: #2ecc71;
  font-weight: 600;
}

.dark .result-intro strong {
  color: #27ae60;
}

.dark .scale-bar {
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.dark .category-item {
  background: hsl(215 25% 15%);
}

@media (max-width: 768px) {
  .healthy-weight-calculator {
    max-width: 100%;
  }
  
  .weight-scale-container {
    margin: 1rem 0;
    padding: 0;
    overflow-x: visible;
  }
  
  .scale-bar {
    min-width: 100%;
    height: 25px;
  }
  
  .categories-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .weight-labels,
  .weight-markers {
    min-width: 100%;
    padding: 0;
    box-sizing: border-box;
  }
  
  .bmi-label {
    font-size: 0.625rem;
  }
  
  .marker-value {
    font-size: 0.625rem;
  }
  
  .marker-arrow {
    font-size: 1rem;
    padding-top: 8px;
  }
  
  .markers-row {
    height: 35px;
  }
}

@media (max-width: 480px) {
  .categories-grid {
    grid-template-columns: 1fr;
  }
  
  .bmi-label,
  .marker-value {
    font-size: 0.5rem;
  }
  
  .marker-arrow {
    font-size: 0.875rem;
    padding-top: 5px;
  }
}

/* One Rep Max Calculator */
.weight-unit-input {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.weight-unit-input input {
  flex: 1;
  min-width: 0;
}

.weight-unit-input select {
  min-width: 80px;
  width: 80px;
  padding: 0.75rem 0.5rem;
  text-align: center;
  flex-shrink: 0;
  font-size: 0.875rem;
}

.reps-input {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.reps-input input {
  width: 80px;
  text-align: center;
}

.form-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--foreground);
  margin-bottom: 0.5rem;
  display: block;
}

.radio-container {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  padding: 0.375rem 0;
}

.radio-container input[type="radio"] {
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
  cursor: pointer;
}

.radio-mark {
  position: relative;
  width: 18px;
  height: 18px;
  border: 2px solid var(--border);
  border-radius: 50%;
  display: inline-block;
}

.radio-container input[type="radio"]:checked + .radio-mark {
  border-color: var(--primary);
}

.radio-container input[type="radio"]:checked + .radio-mark::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 10px;
  height: 10px;
  background: var(--primary);
  border-radius: 50%;
}

.radio-label {
  font-size: 0.9375rem;
  color: var(--foreground);
}

/* ORM Section */
.orm-section {
  margin-top: 1rem;
}

.orm-section:first-of-type {
  margin-top: 0;
}

.orm-reps-table {
  background: var(--secondary);
  border-radius: calc(var(--radius) - 0.25rem);
  overflow: hidden;
}

.orm-reps-header {
  display: flex;
  justify-content: space-between;
  padding: 0.625rem 1rem;
  background: var(--primary);
  color: white;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

  .orm-reps-row {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border);
  }

  /* Conception Calculator */
  .conception-calculator {
    grid-template-columns: 1fr 1fr !important;
    gap: 2rem;
  }

  .conception-calculator .calc-form {
    min-width: 0;
  }

  .conception-calculator .calc-form.hidden {
    display: none;
  }

  .conception-calculator .calc-results {
    min-width: 0;
    align-self: start;
    position: sticky;
    top: 1rem;
  }

  .conception-calculator.no-form {
    grid-template-columns: 1fr !important;
  }

  .conception-calculator.no-form .calc-results {
    max-width: 800px;
    margin: 0 auto;
  }

  .conception-calculator .form-group.full-width {
    width: 100%;
  }

  .conception-calculator select {
    width: 100%;
    padding: 0.625rem 1rem;
    border: 1px solid var(--border);
    border-radius: calc(var(--radius) - 0.25rem);
    font-size: 0.9375rem;
    background: var(--background);
    color: var(--foreground);
    cursor: pointer;
  }

  .conception-section {
    margin-bottom: 1.5rem;
  }

  .conception-section h3 {
    font-size: 1rem;
    color: var(--foreground);
    margin: 0 0 0.75rem 0;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
  }

  .conception-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
  }

  .conception-table th,
  .conception-table td {
    padding: 0.5rem 0.375rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
  }

  .conception-table th {
    font-weight: 600;
    color: var(--muted-foreground);
    font-size: 0.75rem;
    text-transform: uppercase;
    background: var(--secondary);
  }

  .dark .conception-table th {
    background: hsl(215 25% 18%);
  }

  .conception-label {
    font-weight: 500;
    color: var(--foreground);
  }

  .conception-value {
    color: var(--primary);
    font-weight: 600;
  }

  .dark .conception-value {
    color: var(--primary);
  }

  @media (max-width: 768px) {
    .conception-calculator {
      grid-template-columns: 1fr !important;
    }

    .conception-calculator .calc-results {
      position: static;
    }
  }
}

.orm-reps-row:last-child {
  border-bottom: none;
}

.orm-reps-row:hover {
  background: var(--background);
}

.orm-reps-weight {
  font-weight: 600;
  color: var(--foreground);
}

.orm-reps-value {
  color: var(--muted-foreground);
}

.orm-table-container {
  margin-top: 0.75rem;
  overflow-x: auto;
}

.orm-result-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8125rem;
  background: var(--secondary);
  border-radius: calc(var(--radius) - 0.25rem);
  overflow: hidden;
}

.orm-result-table th,
.orm-result-table td {
  padding: 0.5rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.orm-result-table th {
  background: var(--primary);
  color: white;
  font-weight: 600;
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.orm-result-table th:nth-child(2),
.orm-result-table td:nth-child(2) {
  text-align: right;
}

.orm-result-table th:nth-child(3),
.orm-result-table td:nth-child(3) {
  text-align: right;
}

.orm-result-table tbody tr:last-child td {
  border-bottom: none;
}

.orm-result-table tbody tr:hover {
  background: var(--background);
}

.orm-result-table tbody tr:first-child {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.1));
}

.orm-result-table tbody tr:first-child td {
  font-weight: 600;
  color: var(--primary);
}

.dark .orm-result-table tbody tr:first-child {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(139, 92, 246, 0.2));
}

/* Formula Cards */
.formula-card {
  background: var(--secondary);
  padding: 1rem 1.25rem;
  border-radius: calc(var(--radius) - 0.25rem);
  margin-bottom: 1rem;
  border-left: 4px solid var(--primary);
}

.formula-card h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--foreground);
  margin-bottom: 0.5rem;
}

.formula-math {
  font-family: 'Times New Roman', serif;
  font-size: 1.125rem;
  font-style: italic;
  color: var(--muted-foreground);
  margin: 0;
}

.formula-math sup {
  font-size: 0.7em;
}

/* Training Guide */
.training-guide {
  list-style: none;
  padding: 0;
  margin: 1rem 0;
}

.training-guide li {
  padding: 0.75rem 1rem;
  background: var(--secondary);
  border-radius: calc(var(--radius) - 0.25rem);
  margin-bottom: 0.75rem;
  font-size: 0.9375rem;
  line-height: 1.5;
}

.training-guide li strong {
  color: var(--primary);
}

.dark .training-guide li {
  background: hsl(215 25% 15%);
}

/* Result Unit */
.result-unit {
  font-size: 0.875rem;
  font-weight: 400;
  margin-left: 0.25rem;
  opacity: 0.9;
}

@media (max-width: 768px) {
  .weight-unit-input select {
    min-width: 70px;
    width: 70px;
  }
  
  .orm-result-table {
    font-size: 0.75rem;
  }
  
  .orm-result-table th,
  .orm-result-table td {
    padding: 0.375rem 0.5rem;
  }
  
  .orm-reps-table {
    font-size: 0.8125rem;
  }
  
  /* Protein Calculator */
  .protein-calculator {
    grid-template-columns: 1fr 1fr !important;
    gap: 2rem;
  }

  .protein-calculator .calc-form {
    min-width: 0;
  }

  .protein-calculator .calc-form.hidden {
    display: none;
  }

  .protein-calculator .calc-results {
    min-width: 0;
    align-self: start;
    position: sticky;
    top: 1rem;
  }

  .protein-calculator.no-form {
    grid-template-columns: 1fr !important;
  }

  .protein-calculator.no-form .calc-results {
    max-width: 800px;
    margin: 0 auto;
  }

  /* TDEE Calculator */
  .tdee-calculator {
    grid-template-columns: 1fr 1fr !important;
    gap: 2rem;
  }

  .tdee-calculator .calc-form {
    min-width: 0;
  }

  .tdee-calculator .calc-form.hidden {
    display: none;
  }

  .tdee-calculator .calc-results {
    min-width: 0;
    align-self: start;
    position: sticky;
    top: 1rem;
  }

  .tdee-calculator.no-form {
    grid-template-columns: 1fr !important;
  }

  .tdee-calculator.no-form .calc-results {
    max-width: 800px;
    margin: 0 auto;
  }

  .tdee-result-main {
    margin-bottom: 1.5rem;
  }

  .tdee-result-main p {
    font-size: 0.9375rem;
    color: var(--foreground);
    margin: 0 0 0.75rem 0;
    line-height: 1.5;
  }

  .tdee-result-main strong {
    color: var(--primary);
    font-weight: 600;
  }

  .dark .tdee-result-main strong {
    color: var(--primary);
  }

  .tdee-weight-display {
    font-size: 0.875rem;
    color: var(--muted-foreground);
  }
  }

  .tdee-section {
    margin-top: 1.5rem;
  }

  .tdee-section h3 {
    font-size: 1rem;
    color: var(--foreground);
    margin: 0 0 0.75rem 0;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
  }

  .tdee-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
    margin-bottom: 0.75rem;
  }

  .tdee-table th,
  .tdee-table td {
    padding: 0.5rem 0.375rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
  }

  .tdee-table th {
    font-weight: 600;
    color: var(--muted-foreground);
    font-size: 0.75rem;
    text-transform: uppercase;
  }

  .tdee-table td strong {
    color: var(--primary);
    font-weight: 600;
  }

  .dark .tdee-table td strong {
    color: var(--primary);
  }

  .tdee-warning {
    font-size: 0.8125rem;
    color: var(--muted-foreground);
    padding: 0.75rem;
    background: hsl(38 90% 55%);
    background: linear-gradient(135deg, hsl(38 90% 55%), hsl(38 80% 55%));
    color: #1a1a1a;
    border-radius: var(--radius);
    margin: 0.75rem 0 0 0;
  }

  .tdee-warning strong {
    font-weight: 600;
  }

  @media (max-width: 768px) {
    .protein-calculator {
      grid-template-columns: 1fr !important;
    }

    .protein-calculator .calc-results {
      position: static;
    }

    .tdee-calculator {
      grid-template-columns: 1fr !important;
    }

    .tdee-calculator .calc-results {
      position: static;
    }
  }
}

  .protein-calculator .calc-form {
    min-width: 0;
  }

  .protein-calculator .calc-form.hidden {
    display: none;
  }

  .protein-calculator .calc-results {
    min-width: 0;
    align-self: start;
    position: sticky;
    top: 1rem;
  }

  .protein-calculator.no-form {
    grid-template-columns: 1fr !important;
  }

  .protein-calculator.no-form .calc-results {
    max-width: 800px;
    margin: 0 auto;
  }

  .protein-result-intro {
    margin-bottom: 1rem;
  }

  .protein-result-intro p {
    font-size: 0.9375rem;
    color: var(--foreground);
    margin: 0;
    line-height: 1.5;
  }

  .protein-institution-results {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
  }

  .protein-institution {
    background: var(--secondary);
    border-radius: var(--radius);
    padding: 0.875rem 1rem;
  }

  .dark .protein-institution {
    background: hsl(215 25% 18%);
  }

  .institution-name {
    display: block;
    font-size: 0.8125rem;
    color: var(--muted-foreground);
    margin-bottom: 0.25rem;
  }

  .institution-value {
    font-size: 0.9375rem;
    color: var(--foreground);
  }

  .institution-value strong {
    color: var(--primary);
    font-weight: 600;
  }

  .dark .institution-value strong {
    color: var(--primary);
  }

  .protein-note-box {
    margin-top: 1rem;
    padding: 0.75rem 1rem;
    background: hsl(210 40% 96%);
    border-left: 3px solid var(--primary);
    border-radius: 0 calc(var(--radius) - 0.25rem) calc(var(--radius) - 0.25rem) 0;
  }

  .dark .protein-note-box {
    background: hsl(215 25% 18%);
    border-left-color: var(--primary);
  }

  .protein-note-box p {
    font-size: 0.8125rem;
    color: var(--muted-foreground);
    margin: 0;
    line-height: 1.5;
  }

  .protein-note-box strong {
    color: var(--foreground);
  }

  @media (max-width: 768px) {
    .protein-calculator {
      grid-template-columns: 1fr !important;
    }

    .protein-calculator .calc-results {
      position: static;
    }
  }
}
  
  .orm-reps-row {
    padding: 0.375rem 0.75rem;
  }

/* Anorexic BMI Calculator */
  .interpretation-text {
  font-size: 1.125rem;
  font-weight: 600;
  padding: 0.75rem;
  border-radius: var(--radius);
  background: var(--secondary);
  margin: 0;
}

.disclaimer-text {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  margin: 0;
  padding: 0.5rem 0;
}

/* Ovulation Calculator */
.result-table-container {
  margin-bottom: 1.5rem;
}

.result-table {
  width: 100%;
  border-collapse: collapse;
}

.result-table tr:first-child td {
  background: #fabee2;
  font-weight: 700;
}

.result-table td {
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  text-align: left;
  word-break: break-word;
}

.result-table td:first-child {
  font-weight: 500;
}

.result-table td:last-child {
  font-weight: 600;
}

.calendar-container {
  margin: 1.5rem 0;
}

.calendar-table {
  border-collapse: collapse;
  width: 100%;
  max-width: 350px;
  margin: 0 auto;
  font-size: 0.875rem;
}

.calendar-table td {
  padding: 0.375rem 0.5rem;
  text-align: center;
  border: 1px solid var(--border);
}

.calendar-table .cinfoHd {
  background: var(--secondary);
  font-weight: 600;
  padding: 0.5rem;
}

.calendar-table .cinfoHdL {
  background: var(--secondary);
  font-weight: 600;
  padding: 0.5rem;
  border-left: none;
}

.cycles-table-container {
  margin-top: 1.5rem;
}

.cycles-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.cycles-table th,
.cycles-table td {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  text-align: left;
  word-break: break-word;
}

.cycles-table th {
  background: var(--secondary);
  font-weight: 600;
}

.cycles-table th:not(:first-child),
.cycles-table td:not(:first-child) {
  text-align: right;
}

.cycles-table tbody tr:hover {
  background: var(--muted);
}
  background: var(--secondary);
  font-weight: 600;
}

.cycles-table th:not(:first-child),
.cycles-table td:not(:first-child) {
  text-align: right;
}

.cycles-table tbody tr:hover {
  background: var(--muted);
}

.dark .result-table tr:first-child td {
  background: hsl(330 60% 25%);
}

.dark .calendar-table .cinfoHd,
.dark .calendar-table .cinfoHdL {
  background: hsl(215 25% 18%);
}

.dark .cycles-table th {
  background: hsl(215 25% 18%);
}

.form-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1rem;
}

/* Body Type Calculator */
.body-type-result {
  background: linear-gradient(135deg, hsl(142 76% 95%), hsl(142 76% 90%));
  border-left: 4px solid hsl(142 76% 45%);
}

.dark .body-type-result {
  background: linear-gradient(135deg, hsl(142 76% 15%), hsl(142 76% 12%));
}

.result-description {
  margin-top: 1rem;
  padding: 1rem;
  background: var(--secondary);
  border-radius: var(--radius);
  font-size: 0.875rem;
  line-height: 1.6;
}

.result-info-box {
  margin-top: 1rem;
  padding: 1rem;
  background: hsl(215 25% 95%);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius);
  font-size: 0.875rem;
}

.dark .result-info-box {
  background: hsl(215 25% 15%);
}

.result-info-box a {
  color: var(--primary);
  font-weight: 600;
  text-decoration: underline;
}

.result-info-box a:hover {
  text-decoration: none;
}

.formula-text {
  padding-left: 1rem;
  font-family: monospace;
  font-size: 0.875rem;
  color: var(--muted-foreground);
  margin-bottom: 1rem;
}

.btn-secondary {
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--secondary);
  color: var(--foreground);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-secondary:hover {
  background: var(--border);
}

@media (max-width: 768px) {
  .result-table {
    width: 100%;
    font-size: 0.75rem;
  }
  
  .result-table td {
    padding: 0.5rem;
    word-break: break-word;
  }
  
  .result-table td:first-child {
    width: auto;
  }
  
  .result-table td:last-child {
    width: auto;
  }
  
  .calendar-container {
    width: 100%;
  }
  
  .calendar-table {
    font-size: 0.75rem;
    min-width: auto;
    width: 100%;
  }
  
  .calendar-table td {
    padding: 0.25rem;
    font-size: 0.7rem;
  }
  
  .cycles-table-container {
    width: 100%;
  }
  
  .cycles-table {
    width: 100%;
    font-size: 0.7rem;
    min-width: auto;
  }
  
  .cycles-table th,
  .cycles-table td {
    padding: 0.375rem;
    font-size: 0.7rem;
    word-break: break-word;
  }
  
  .cycles-table th:not(:first-child),
  .cycles-table td:not(:first-child) {
    text-align: right;
    white-space: nowrap;
  }
  
  .form-actions {
    flex-direction: column;
  }
  
  .form-actions button {
    width: 100%;
  }
}

/* Period Calculator */
.calendar-navigation {
  display: flex;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.nav-btn {
  padding: 0.5rem 1rem;
  color: var(--primary);
  font-weight: 500;
  text-decoration: none;
  border-radius: var(--radius);
  transition: background 0.2s;
}

.nav-btn:hover {
  background: var(--secondary);
}

.result-calendar {
  margin: 1rem 0;
  width: 100%;
  overflow-x: auto;
}

.calendars-wrapper {
  width: 100%;
}

.calendars-nav {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.calendars-nav a {
  padding: 0.25rem 0.5rem;
  color: var(--primary);
  font-weight: 500;
  text-decoration: none;
  font-size: 0.75rem;
}

.calendars-nav a:hover {
  text-decoration: underline;
}

.calendars-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  width: 100%;
}

.month-calendar {
  min-width: 0;
}

.month-calendar .calendar-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.6rem;
}

.month-calendar .calendar-table td {
  padding: 0.2rem 0.1rem;
  text-align: center;
  border: 1px solid var(--border);
  font-size: 0.55rem;
}

.month-calendar .calendar-table .cinfoHd {
  background: var(--secondary);
  font-weight: 600;
  padding: 0.25rem 0.125rem;
  font-size: 0.5rem;
}

.month-calendar .calendar-table .cinfoHdL {
  background: var(--secondary);
  font-weight: 600;
  padding: 0.25rem 0.125rem;
  font-size: 0.5rem;
  border-left: none;
}

.calendars-legend {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 0.5rem;
  padding: 0.5rem;
  background: var(--secondary);
  border-radius: var(--radius);
  font-size: 0.7rem;
}

.calendars-legend span {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.dark .month-calendar .calendar-table .cinfoHd,
.dark .month-calendar .calendar-table .cinfoHdL {
  background: hsl(215 25% 18%);
}

@media (max-width: 768px) {
  .calendars-container {
    grid-template-columns: 1fr;
  }
  
  .month-calendar {
    width: 100%;
  }
  
  .month-calendar .calendar-table {
    font-size: 0.7rem;
  }
  
  .month-calendar .calendar-table td {
    padding: 0.2rem;
    font-size: 0.65rem;
  }
  
  .calendars-legend {
    flex-direction: column;
    gap: 0.75rem;
    align-items: center;
  }
}


/*** BAC Calculator Styles ***/
.bac-result-display {
  text-align: center;
  padding: 1.5rem;
  margin-bottom: 1rem;
}

.bac-main-result {
  margin-bottom: 0.75rem;
}

.bac-label {
  font-size: 1rem;
  color: var(--muted-foreground);
}

.bac-value-large {
  display: block;
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.2;
}

.bac-interpretation {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  line-height: 1.5;
}

.bac-disclaimer {
  margin-top: 1rem;
  padding: 0.75rem;
  background: var(--secondary);
  border-radius: var(--radius);
  font-size: 0.75rem;
  color: var(--muted-foreground);
  line-height: 1.5;
}

.time-input-group {
  display: flex;
  gap: 0.5rem;
}

.time-field {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.time-field input {
  width: 60px;
}

.alcohol-table {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 1rem;
}

.alcohol-header {
  display: grid;
  grid-template-columns: 60px 1fr 1.5fr 0.8fr;
  gap: 0.5rem;
  padding: 0.75rem;
  background: var(--secondary);
  font-weight: 600;
  font-size: 0.75rem;
  color: var(--muted-foreground);
  text-transform: uppercase;
}

.alcohol-row {
  display: grid;
  grid-template-columns: 60px 1fr 1.5fr 0.8fr;
  gap: 0.5rem;
  padding: 0.5rem;
  border-top: 1px solid var(--border);
  align-items: center;
}

.alcohol-row:first-of-type {
  border-top: none;
}

.alcohol-type-label {
  font-weight: 500;
  font-size: 0.875rem;
}

.alcohol-amount-input {
  width: 60px;
  padding: 0.375rem 0.5rem;
}

.alcohol-size-select,
.alcohol-abv-select {
  padding: 0.375rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) - 0.25rem);
  background: var(--card);
  color: var(--foreground);
  font-size: 0.75rem;
}

.other-size-group {
  display: flex;
  gap: 0.25rem;
  align-items: center;
}

.other-size-input {
  width: 60px;
  padding: 0.375rem 0.5rem;
}

.other-size-unit {
  padding: 0.375rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) - 0.25rem);
  background: var(--card);
  color: var(--foreground);
  font-size: 0.7rem;
}

.other-abv-group {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.other-abv-input {
  width: 50px;
  padding: 0.375rem 0.5rem;
}

.unit-select {
  padding: 0.375rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) - 0.25rem);
  background: var(--card);
  color: var(--foreground);
  font-size: 0.875rem;
}

.text-input {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) - 0.25rem);
  background: var(--card);
  color: var(--foreground);
  font-size: 0.875rem;
  width: 100%;
  box-sizing: border-box;
}

.text-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(var(--primary-rgb, 59, 130, 246), 0.1);
}

.mass-input-group {
  display: flex;
  gap: 0.5rem;
}

.mass-input-group .number-input {
  flex: 1;
  min-width: 0;
}

.mass-input-group .unit-select {
  width: 120px;
  flex-shrink: 0;
}

.bac-result-display .result-section {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

@media (max-width: 768px) {
  .alcohol-header {
    display: none;
  }
  
  .alcohol-row {
    grid-template-columns: 1fr;
    gap: 0.5rem;
    padding: 0.75rem;
  }
  
  .alcohol-type-label {
    font-weight: 600;
  }
  
  .other-size-group,
  .other-abv-group {
    width: 100%;
  }
  
  .bac-value-large {
    font-size: 2.5rem;
  }
}



/*** Weight Watchers Points Calculator Styles ***/
.ww-disclaimer {
  margin: 1rem auto;
  max-width: 1400px;
  padding: 0.75rem 1rem;
  background: #fff3cd;
  border: 1px solid #ffc107;
  border-radius: var(--radius);
  font-size: 0.875rem;
  color: #856404;
}

.dark .ww-disclaimer {
  background: hsl(45 60% 20%);
  border-color: hsl(45 60% 30%);
  color: hsl(45 60% 80%);
}

.ww-input-row {
  margin-bottom: 1rem;
}

.ww-input-row label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.375rem;
  font-size: 0.875rem;
}

.ww-input-group {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.ww-input-group input {
  flex: 1;
  min-width: 100px;
}

.ww-input-group select {
  width: 140px;
  padding: 0.5rem;
}

.form-section-title {
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.025em;
  color: var(--primary);
  margin-bottom: 0.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.form-section-desc {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  margin-bottom: 1rem;
}

.ww-result {
  margin-top: 1rem;
  padding: 1rem;
  background: var(--secondary);
  border-radius: var(--radius);
  text-align: center;
}

.ww-points-label {
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

.ww-points-value {
  display: block;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
  margin-top: 0.25rem;
}

.form-section-desc {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  margin-bottom: 1rem;
  padding: 0.5rem 0.75rem;
  background: var(--card);
  border-radius: calc(var(--radius) - 0.25rem);
  border-left: 3px solid var(--primary);
}

@media (max-width: 768px) {
  .ww-input-group {
    flex-direction: column;
  }
  
  .ww-input-group input,
  .ww-input-group select {
    width: 100%;
  }
  
  .form-actions {
    flex-direction: column;
  }
  
  .form-actions .btn {
    width: 100%;
  }
}



.ww-activity-select {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) - 0.25rem);
  background: var(--card);
  color: var(--foreground);
  font-size: 0.875rem;
}



/*** Scientific Calculator - One Column Layout ***/
.scientific-calc {
  display: flex;
  flex-direction: column;
}

.scientific-calc .calc-form {
  width: 100%;
}

@media (min-width: 768px) {
  .scientific-calc {
    max-width: 400px;
    margin: 0 auto;
  }
}



/*** Scientific Calculator Full Styles ***/
.calculator-widget {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  width: 100%;
}

.calc-display {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1rem;
  background: var(--secondary);
  border-radius: calc(var(--radius) - 0.25rem);
  text-align: right;
}

.calc-mode {
  font-size: 0.75rem;
  color: var(--muted-foreground);
  text-transform: uppercase;
}

.calc-equation {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  min-height: 1.25rem;
  word-break: break-all;
}

.calc-result {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--foreground);
}

.calc-buttons {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.375rem;
}

.calc-btn {
  padding: 0.75rem 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--foreground);
  background: var(--secondary);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) - 0.25rem);
  cursor: pointer;
  transition: all 0.2s;
}

.calc-btn:hover {
  background: var(--border);
}

.calc-btn.function {
  background: var(--primary);
  color: var(--primary-foreground);
}

.calc-btn.function:hover {
  opacity: 0.9;
}

.calc-btn.memory {
  background: hsl(45 60% 50%);
  color: white;
}

.calc-btn.memory:hover {
  opacity: 0.9;
}

.calc-btn.operator {
  background: var(--primary);
  color: var(--primary-foreground);
}

.calc-btn.equals {
  background: var(--primary);
  color: var(--primary-foreground);
}

.calc-btn.clear {
  background: #ef4444;
  color: white;
}

.calc-btn.toggle {
  background: hsl(45 60% 50%);
  color: white;
}

@media (max-width: 480px) {
  .calc-buttons {
    grid-template-columns: repeat(4, 1fr);
  }
  
  .calc-btn {
    padding: 0.625rem 0.375rem;
    font-size: 0.8125rem;
  }
}


/*** Percentage Calculator Styles ***/
.percent-form .calc-btn {
  padding: 0.625rem 1.5rem;
  font-size: 0.9375rem;
  font-weight: 600;
  color: white;
  background: var(--primary);
  border: none;
  border-radius: calc(var(--radius) - 0.25rem);
  cursor: pointer;
  transition: all 0.2s;
}

.percent-form .calc-btn:hover {
  opacity: 0.9;
}

.percent-form .clear-btn {
  padding: 0.625rem 1.5rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--foreground);
  background: var(--secondary);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) - 0.25rem);
  cursor: pointer;
  transition: all 0.2s;
}

.percent-form .clear-btn:hover {
  background: var(--border);
}

.percent-form .tab-content {
  display: none;
}

.percent-form .tab-content.active {
  display: block;
}

.calc-results .result-box-section {
  display: none;
}

.calc-results .result-box-section.active {
  display: block;
}

.percent-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.percent-form .form-section {
  padding: 1rem;
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.form-section-title {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--primary);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.basic-percent-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 1rem;
}

.basic-percent-label {
  font-weight: 500;
  color: var(--foreground);
}

.basic-percent-symbol,
.basic-percent-of,
.basic-percent-equals {
  font-weight: 500;
  color: var(--muted-foreground);
}

.basic-percent-row input[type="text"] {
  width: 100px;
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) - 0.25rem);
  background: var(--card);
  color: var(--foreground);
  font-size: 1rem;
  text-align: center;
}

.basic-percent-row input[type="text"]:focus {
  outline: none;
  border-color: var(--primary);
}

.form-row-restore {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1rem;
  justify-content: center;
}

.form-row-restore .checkbox-container {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.875rem;
  color: var(--foreground);
  cursor: pointer;
}

.checkbox-container input[type="radio"] {
  width: auto;
  margin: 0;
}

.common-phrases-section .common-phrase {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 0.75rem;
  padding: 0.75rem;
  background: var(--secondary);
  border-radius: calc(var(--radius) - 0.25rem);
}

.common-phrases-section .common-phrase:last-child {
  margin-bottom: 0;
}

.phrase-label {
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

.common-phrases-section .common-phrase input[type="text"] {
  width: 70px;
  padding: 0.375rem;
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) - 0.25rem);
  background: var(--card);
  color: var(--foreground);
  font-size: 0.875rem;
  text-align: center;
}

.common-phrases-section .common-phrase input[type="text"]:focus {
  outline: none;
  border-color: var(--primary);
}

.phrase-result {
  font-weight: 600;
  color: var(--primary);
  margin-left: 0.25rem;
}

.result-display {
  font-weight: 700;
  color: var(--primary);
  min-width: 60px;
  text-align: right;
}

.form-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  justify-content: center;
}

.form-row label {
  min-width: 80px;
  font-weight: 500;
  color: var(--foreground);
}

.form-row input[type="text"] {
  flex: 1;
  max-width: 150px;
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) - 0.25rem);
  background: var(--card);
  color: var(--foreground);
  font-size: 1rem;
}

.form-row input[type="text"]:focus {
  outline: none;
  border-color: var(--primary);
}

.result-box-section {
  padding: 1rem;
  background: var(--secondary);
  border-radius: var(--radius);
  margin-bottom: 1rem;
}

.result-box-section:last-child {
  margin-bottom: 0;
}

.result-box-section .result-desc {
  font-size: 0.9375rem;
  color: var(--muted-foreground);
  margin-bottom: 0.5rem;
}

.result-box-section .result-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.result-box-section .result-label {
  font-size: 1rem;
  font-weight: 500;
  color: var(--foreground);
}

.result-box-section .result-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}

.toggle-option-label {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  margin-left: 0.5rem;
}

@media (max-width: 768px) {
  .basic-percent-row {
    justify-content: center;
  }
  
  .basic-percent-row input[type="text"] {
    width: 80px;
  }
  
  .form-row-restore {
    flex-direction: column;
    gap: 0.5rem;
  }
  
  .common-phrases-section .common-phrase {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
  
  .common-phrases-section .common-phrase input[type="text"] {
    width: 100%;
    max-width: 200px;
  }
  
  .result-display {
    width: 100%;
    text-align: left;
  }
  
  .form-row {
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
  }
  
  .form-row label {
    min-width: auto;
  }
  
  .form-row input[type="text"] {
    max-width: none;
  }
  
  .tab-container {
    flex-wrap: wrap;
  }
  
  .tab-container .tab-btn {
    flex: 1 1 45%;
    min-width: 45%;
    text-align: center;
  }
}

/* Volume Calculator Styles */
.volume-calc {
  margin-bottom: 1.5rem;
}

.volume-calc .calculator-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

@media (max-width: 768px) {
  .volume-calc .calculator-card {
    grid-template-columns: 1fr;
  }
}

.volume-calc .calc-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.volume-calc .calc-results {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.volume-calc .shape-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--foreground);
  margin-bottom: 0.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.volume-calc .shape-note {
  font-size: 0.8125rem;
  color: var(--muted-foreground);
  margin-bottom: 0.75rem;
  font-style: italic;
}

.volume-calc .form-group label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--foreground);
  margin-bottom: 0.5rem;
}

.volume-calc .input-with-unit {
  display: flex;
  gap: 0.5rem;
}

.volume-calc .input-with-unit input {
  flex: 1;
  padding: 0.5rem 0.75rem;
  font-size: 0.9375rem;
  border: 1px solid var(--input);
  border-radius: calc(var(--radius) - 0.25rem);
  background: var(--background);
  color: var(--foreground);
}

.volume-calc .input-with-unit input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.volume-calc .unit-select {
  min-width: 120px;
  padding: 0.5rem 0.5rem;
  font-size: 0.8125rem;
  border: 1px solid var(--input);
  border-radius: calc(var(--radius) - 0.25rem);
  background: var(--background);
  color: var(--foreground);
  cursor: pointer;
}

.volume-calc .unit-select:focus {
  outline: none;
  border-color: var(--primary);
}

.volume-calc .result-box {
  background: var(--secondary);
  border: 2px solid var(--primary);
  padding: 1.25rem;
  border-radius: calc(var(--radius) - 0.25rem);
  text-align: center;
}

.volume-calc .result-box .result-label {
  display: block;
  font-size: 0.8125rem;
  color: var(--muted-foreground) !important;
  margin-bottom: 0.25rem;
}

.volume-calc .result-box .result-value {
  display: block;
  font-size: 1.75rem;
  font-weight: 700;
  color: hsl(242 85% 55%) !important;
}

.dark .volume-calc .result-box .result-value {
  color: hsl(242 85% 65%) !important;
}

.volume-calc .volume-units {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  background: var(--secondary);
  padding: 1rem;
  border-radius: calc(var(--radius) - 0.25rem);
}

.volume-calc .volume-unit-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.25rem 0;
  border-bottom: 1px solid var(--border);
}

.volume-calc .volume-unit-row:last-child {
  border-bottom: none;
}

.volume-calc .volume-unit-row .unit-label {
  font-size: 0.8125rem;
  color: var(--muted-foreground);
}

.volume-calc .volume-unit-row .unit-value {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--foreground);
}

.calculator-info .formula {
  font-family: 'Courier New', monospace;
  font-size: 1rem;
  padding: 0.75rem 1rem;
  background: var(--secondary);
  border-radius: calc(var(--radius) - 0.25rem);
  text-align: center;
  margin: 0.75rem 0;
  border-left: 3px solid var(--primary);
}

.calculator-info .info-table-container {
  overflow-x: auto;
  margin: 1rem 0;
}

.calculator-info .info-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.calculator-info .info-table th,
.calculator-info .info-table td {
  padding: 0.625rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.calculator-info .info-table th {
  background: var(--secondary);
  font-weight: 600;
  color: var(--foreground);
}

.calculator-info .info-table td:first-child {
  font-weight: 500;
}

/* Random Number Generator Styles */
.random-generator {
  margin-bottom: 2rem;
}

.random-generator .calculator-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

@media (max-width: 768px) {
  .random-generator .calculator-card {
    grid-template-columns: 1fr;
  }
}

.random-generator .calc-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.random-generator .calc-results {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.random-generator .section-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--foreground);
  margin-bottom: 0.25rem;
}

.random-generator .section-desc {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  margin-bottom: 0.5rem;
  line-height: 1.5;
}

.random-generator .form-group label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--foreground);
  margin-bottom: 0.5rem;
}

.random-generator .form-group input[type="number"] {
  width: 100%;
  padding: 0.625rem 0.75rem;
  font-size: 0.9375rem;
  border: 1px solid var(--input);
  border-radius: calc(var(--radius) - 0.25rem);
  background: var(--background);
  color: var(--foreground);
}

.random-generator .form-group input[type="number"]:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.random-generator .number-input-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.random-generator .number-input-group input {
  flex: 1;
}

.random-generator .input-suffix {
  color: var(--muted-foreground);
  font-size: 0.875rem;
  white-space: nowrap;
}

.random-generator .radio-toggle {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.random-generator .radio-btn {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  cursor: pointer;
}

.random-generator .radio-btn input[type="radio"] {
  width: 16px;
  height: 16px;
  accent-color: var(--primary);
}

.random-generator .radio-label {
  font-size: 0.875rem;
  color: var(--foreground);
}

.random-generator .simple-result-display,
.random-generator .comp-result-display {
  background: var(--secondary);
  padding: 2rem;
  border-radius: calc(var(--radius) - 0.25rem);
  text-align: center;
  min-height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.random-generator .simple-result-number,
.random-generator .comp-result-numbers {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  word-break: break-word;
}

.random-generator .result-placeholder {
  color: var(--muted-foreground);
  font-size: 0.875rem;
}

.random-generator .result-error {
  color: hsl(0, 70%, 50%);
  font-size: 0.875rem;
}

.random-generator .comp-results-info {
  text-align: center;
  padding: 0.5rem;
}

.random-generator .results-count {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  font-weight: 500;
}

.random-generator .action-buttons {
  display: flex;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.random-generator .btn {
  padding: 0.625rem 1.25rem;
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: calc(var(--radius) - 0.25rem);
  cursor: pointer;
  transition: all 0.2s;
  border: none;
}

.random-generator .btn-primary {
  background: var(--primary);
  color: var(--primary-foreground);
  flex: 1;
}

.random-generator .btn-primary:hover {
  opacity: 0.9;
}

.random-generator .btn-secondary {
  background: var(--secondary);
  color: var(--foreground);
  border: 1px solid var(--border);
}

.random-generator .btn-secondary:hover {
  background: var(--border);
}

/* Percent Error Calculator Styles */
.percent-error-calc {
  margin-bottom: 2rem;
}

.percent-error-calc .calculator-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

@media (max-width: 768px) {
  .percent-error-calc .calculator-card {
    grid-template-columns: 1fr;
  }
}

.percent-error-calc .calc-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.percent-error-calc .calc-results {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.percent-error-calc .section-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--foreground);
  margin-bottom: 0.25rem;
}

.percent-error-calc .section-desc {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  margin-bottom: 0.5rem;
  line-height: 1.5;
}

.percent-error-calc .form-group label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--foreground);
  margin-bottom: 0.5rem;
}

.percent-error-calc .form-group input[type="number"] {
  width: 100%;
  padding: 0.625rem 0.75rem;
  font-size: 0.9375rem;
  border: 1px solid var(--input);
  border-radius: calc(var(--radius) - 0.25rem);
  background: var(--background);
  color: var(--foreground);
}

.percent-error-calc .form-group input[type="number"]:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.percent-error-calc .radio-toggle {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.percent-error-calc .radio-btn {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  cursor: pointer;
}

.percent-error-calc .radio-btn input[type="radio"] {
  width: 16px;
  height: 16px;
  accent-color: var(--primary);
}

.percent-error-calc .radio-label {
  font-size: 0.875rem;
  color: var(--foreground);
}

.percent-error-calc .error-results {
  background: var(--secondary);
  border-radius: calc(var(--radius) - 0.25rem);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.percent-error-calc .result-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
}

.percent-error-calc .result-row:last-child {
  border-bottom: none;
}

.percent-error-calc .result-row .result-label {
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

.percent-error-calc .result-row .result-value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--foreground);
}

.percent-error-calc .result-row.highlight {
  background: linear-gradient(135deg, var(--primary), hsl(262, 85%, 55%));
  margin: 0.5rem -1rem -1rem -1rem;
  border-radius: 0 0 calc(var(--radius) - 0.25rem) calc(var(--radius) - 0.25rem);
  border-bottom: none;
  padding: 1rem;
}

.dark .percent-error-calc .result-row.highlight {
  background: linear-gradient(135deg, hsl(242, 85%, 65%), hsl(262, 85%, 65%));
}

.percent-error-calc .result-row.highlight .result-label,
.percent-error-calc .result-row.highlight .result-value {
  color: white;
}

.percent-error-calc .formula-display {
  background: var(--background);
  padding: 1rem;
  border-radius: calc(var(--radius) - 0.25rem);
  border-left: 3px solid var(--primary);
}

.percent-error-calc .formula-text {
  font-family: 'Courier New', monospace;
  font-size: 0.875rem;
  color: var(--foreground);
  text-align: center;
  margin: 0;
}

.percent-error-calc .action-buttons {
  display: flex;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.percent-error-calc .btn {
  padding: 0.625rem 1.25rem;
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: calc(var(--radius) - 0.25rem);
  cursor: pointer;
  transition: all 0.2s;
  border: none;
}

.percent-error-calc .btn-primary {
  background: var(--primary);
  color: var(--primary-foreground);
  flex: 1;
}

.percent-error-calc .btn-primary:hover {
  opacity: 0.9;
}

.percent-error-calc .btn-secondary {
  background: var(--secondary);
  color: var(--foreground);
  border: 1px solid var(--border);
}

.percent-error-calc .btn-secondary:hover {
  background: var(--border);
}

/* Binary Calculator Styles */
.binary-calc {
  margin-bottom: 2rem;
}

.binary-calc .calculator-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

@media (max-width: 768px) {
  .binary-calc .calculator-card {
    grid-template-columns: 1fr;
  }
}

.binary-calc .calc-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.binary-calc .calc-results {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.binary-calc .section-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--foreground);
  margin-bottom: 0.25rem;
}

.binary-calc .section-desc {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  margin-bottom: 0.5rem;
  line-height: 1.5;
}

.binary-calc .form-group label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--foreground);
  margin-bottom: 0.5rem;
}

.binary-calc .form-group input[type="text"],
.binary-calc .form-group input[type="number"] {
  width: 100%;
  padding: 0.625rem 0.75rem;
  font-size: 0.9375rem;
  font-family: 'Courier New', monospace;
  letter-spacing: 0.1em;
  border: 1px solid var(--input);
  border-radius: calc(var(--radius) - 0.25rem);
  background: var(--background);
  color: var(--foreground);
}

.binary-calc .form-group input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.binary-calc .binary-operation-input {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.binary-calc .operation-selector {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.5rem 0;
}

.binary-calc .op-btn {
  width: 48px;
  height: 48px;
  font-size: 1.5rem;
  font-weight: 600;
  background: var(--secondary);
  border: 2px solid var(--border);
  border-radius: calc(var(--radius) - 0.25rem);
  cursor: pointer;
  transition: all 0.2s;
  color: var(--foreground);
}

.binary-calc .op-btn:hover {
  background: var(--border);
}

.binary-calc .op-btn.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

.binary-calc .binary-result-display {
  background: var(--secondary);
  border-radius: calc(var(--radius) - 0.25rem);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.binary-calc .result-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
}

.binary-calc .result-row:last-child {
  border-bottom: none;
}

.binary-calc .result-row .result-label {
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

.binary-calc .result-row .result-value {
  font-size: 1rem;
  font-weight: 600;
  font-family: 'Courier New', monospace;
  color: var(--primary);
}

.binary-calc .action-buttons {
  display: flex;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.binary-calc .btn {
  padding: 0.625rem 1.25rem;
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: calc(var(--radius) - 0.25rem);
  cursor: pointer;
  transition: all 0.2s;
  border: none;
}

.binary-calc .btn-primary {
  background: var(--primary);
  color: var(--primary-foreground);
  flex: 1;
}

.binary-calc .btn-primary:hover {
  opacity: 0.9;
}

.binary-calc .btn-secondary {
  background: var(--secondary);
  color: var(--foreground);
  border: 1px solid var(--border);
}

.binary-calc .btn-secondary:hover {
  background: var(--border);
}

/* Half-Life Calculator Styles */
.half-life-calc {
  margin-bottom: 2rem;
}

.half-life-calc .calculator-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

@media (max-width: 768px) {
  .half-life-calc .calculator-card {
    grid-template-columns: 1fr;
  }
}

.half-life-calc .calc-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.half-life-calc .calc-results {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.half-life-calc .section-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--foreground);
  margin-bottom: 0.25rem;
}

.half-life-calc .section-desc {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  margin-bottom: 0.5rem;
  line-height: 1.5;
}

.half-life-calc .form-group label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--foreground);
  margin-bottom: 0.5rem;
}

.half-life-calc .form-group input[type="number"] {
  width: 100%;
  padding: 0.625rem 0.75rem;
  font-size: 0.9375rem;
  border: 1px solid var(--input);
  border-radius: calc(var(--radius) - 0.25rem);
  background: var(--background);
  color: var(--foreground);
}

.half-life-calc .form-group input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.half-life-calc .half-life-inputs,
.half-life-calc .conversion-inputs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 480px) {
  .half-life-calc .half-life-inputs,
  .half-life-calc .conversion-inputs {
    grid-template-columns: 1fr;
  }
}

.half-life-calc .half-life-result-display {
  background: var(--secondary);
  border-radius: calc(var(--radius) - 0.25rem);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.half-life-calc .result-row {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.625rem 0;
  border-bottom: 1px solid var(--border);
}

.half-life-calc .result-row:last-child {
  border-bottom: none;
}

.half-life-calc .result-row .result-label {
  display: none;
}

.half-life-calc .result-row .result-value {
  font-size: 0.9375rem;
  font-family: 'Courier New', monospace;
  font-weight: 600;
  color: var(--foreground);
}

.half-life-calc .result-row.highlight .result-value {
  color: var(--primary);
  font-size: 1rem;
}

.half-life-calc .result-row .result-formula {
  font-size: 0.8125rem;
  font-family: 'Courier New', monospace;
  color: var(--foreground);
  background: var(--background);
  padding: 0.5rem;
  border-radius: calc(var(--radius) - 0.5rem);
  text-align: center;
}

.half-life-calc .action-buttons {
  display: flex;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.half-life-calc .btn {
  padding: 0.625rem 1.25rem;
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: calc(var(--radius) - 0.25rem);
  cursor: pointer;
  transition: all 0.2s;
  border: none;
}

.half-life-calc .btn-primary {
  background: var(--primary);
  color: var(--primary-foreground);
  flex: 1;
}

.half-life-calc .btn-primary:hover {
  opacity: 0.9;
}

.half-life-calc .btn-secondary {
  background: var(--secondary);
  color: var(--foreground);
  border: 1px solid var(--border);
}

.half-life-calc .btn-secondary:hover {
  background: var(--border);
}

/* Slope Calculator Styles */
.slope-calc {
  margin-bottom: 2rem;
}

.slope-calc .calculator-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

@media (max-width: 768px) {
  .slope-calc .calculator-card {
    grid-template-columns: 1fr;
  }
}

.slope-calc .calc-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.slope-calc .calc-results {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.slope-calc .section-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--foreground);
  margin-bottom: 0.25rem;
}

.slope-calc .section-desc {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  margin-bottom: 0.5rem;
  line-height: 1.5;
}

.slope-calc .form-group label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--foreground);
  margin-bottom: 0.5rem;
}

.slope-calc .form-group input[type="number"] {
  width: 100%;
  padding: 0.625rem 0.75rem;
  font-size: 0.9375rem;
  border: 1px solid var(--input);
  border-radius: calc(var(--radius) - 0.25rem);
  background: var(--background);
  color: var(--foreground);
}

.slope-calc .form-group input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.slope-calc .point-inputs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 480px) {
  .slope-calc .point-inputs {
    grid-template-columns: 1fr;
  }
}

.slope-calc .point-group h3 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--foreground);
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.slope-calc .point-group .form-group {
  margin-bottom: 0.75rem;
}

.slope-calc .point-group .form-group:last-child {
  margin-bottom: 0;
}

.slope-calc .slope-angle-inputs {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.slope-calc .or-divider {
  text-align: center;
  font-size: 0.75rem;
  color: var(--muted-foreground);
  font-weight: 600;
  padding: 0.25rem 0;
}

.slope-calc .slope-result-display {
  background: var(--secondary);
  border-radius: calc(var(--radius) - 0.25rem);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.slope-calc .result-row {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
}

.slope-calc .result-row:last-child {
  border-bottom: none;
}

.result-diagram {
  margin-top: 1rem;
  text-align: center;
}

.result-diagram svg {
  max-width: 100%;
  height: auto;
}

.slope-calc .result-row .result-label {
  display: none;
}

.slope-calc .result-row .result-value {
  font-size: 0.9375rem;
  font-family: 'Courier New', monospace;
  font-weight: 600;
  color: var(--foreground);
}

.slope-calc .result-row .result-value.result-alt {
  color: #0081cd;
}

.result-divider {
  border: none;
  border-top: 2px dashed var(--border);
  margin: 0.75rem 0;
}

.slope-calc .action-buttons {
  display: flex;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.slope-calc .btn {
  padding: 0.625rem 1.25rem;
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: calc(var(--radius) - 0.25rem);
  cursor: pointer;
  transition: all 0.2s;
  border: none;
}

.slope-calc .btn-primary {
  background: var(--primary);
  color: var(--primary-foreground);
  flex: 1;
}

.slope-calc .btn-primary:hover {
  opacity: 0.9;
}

.slope-calc .btn-secondary {
  background: var(--secondary);
  color: var(--foreground);
  border: 1px solid var(--border);
}

.slope-calc .btn-secondary:hover {
  background: var(--border);
}

/* Area Calculator Styles */
.shape-section {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.shape-section h2 {
  margin-bottom: 1rem;
  font-size: 1.5rem;
  color: var(--foreground);
}

.shape-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

@media (max-width: 768px) {
  .shape-content {
    grid-template-columns: 1fr;
  }
}

.shape-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.input-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.input-row label {
  flex: 0 0 120px;
  font-weight: 500;
  color: var(--foreground);
}

.input-with-unit {
  display: flex;
  gap: 0.5rem;
  flex: 1;
}

.input-with-unit input {
  flex: 1;
  padding: 0.625rem 0.75rem;
  border: 1px solid var(--input);
  border-radius: calc(var(--radius) - 0.25rem);
  font-size: 1rem;
  background: var(--background);
  color: var(--foreground);
}

.input-with-unit input:focus {
  outline: none;
  border-color: var(--primary);
}

.unit-select {
  padding: 0.625rem 0.75rem;
  border: 1px solid var(--input);
  border-radius: calc(var(--radius) - 0.25rem);
  font-size: 0.875rem;
  background: var(--background);
  color: var(--foreground);
  min-width: 100px;
}

.unit-select:focus {
  outline: none;
  border-color: var(--primary);
}

.shape-result {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.shape-illustration {
  padding: 1rem;
  background: var(--secondary);
  border-radius: var(--radius);
  display: flex;
  justify-content: center;
  align-items: center;
}

.shape-illustration svg {
  max-width: 100%;
  height: auto;
}

.result-display {
  background: var(--card);
  border: 2px solid var(--primary);
  color: var(--foreground);
  padding: 1rem 1.5rem;
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  min-width: 200px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.result-display .result-label {
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

.result-display .result-value {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
}
  align-items: center;
  gap: 0.25rem;
  min-width: 200px;
}

.result-display .result-label {
  font-size: 0.875rem;
  opacity: 0.9;
}

.result-display .result-value {
  font-size: 1.25rem;
  font-weight: 600;
}

.shape-note {
  margin-top: 1rem;
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

.shape-note a {
  color: var(--primary);
  text-decoration: none;
}

.shape-note a:hover {
  text-decoration: underline;
}

.action-buttons {
  display: flex;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.action-buttons .action-btn {
  padding: 0.625rem 1.25rem;
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: calc(var(--radius) - 0.25rem);
  cursor: pointer;
  transition: all 0.2s;
  border: none;
}

.action-buttons .action-btn.primary {
  background: var(--primary);
  color: var(--primary-foreground);
  flex: 1;
}

.action-buttons .action-btn.primary:hover {
  opacity: 0.9;
}

.action-buttons .action-btn.secondary {
  background: var(--secondary);
  color: var(--foreground);
  border: 1px solid var(--border);
}

.action-buttons .action-btn.secondary:hover {
  background: var(--border);
}

.related-tools {
  margin: 2rem 0;
}

.related-tools h2 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  color: var(--foreground);
}

.related-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.related-link {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: var(--secondary);
  color: var(--primary);
  border-radius: calc(var(--radius) - 0.25rem);
  text-decoration: none;
  font-weight: 500;
}

.related-link:hover {
  background: var(--primary);
  color: var(--primary-foreground);
}

.calculator-info .formula {
  font-family: 'Courier New', monospace;
  font-size: 1.125rem;
  text-align: center;
  padding: 1rem;
  background: var(--secondary);
  border-radius: calc(var(--radius) - 0.25rem);
  margin: 1rem 0;
}

.calculator-info .info-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
}

.calculator-info .info-table th,
.calculator-info .info-table td {
  padding: 0.75rem;
  border: 1px solid var(--border);
  text-align: left;
}

.calculator-info .info-table th {
  background: var(--secondary);
  font-weight: 600;
}

/* Dark mode for area calculator */
.dark .result-display {
  background: var(--card);
  border-color: var(--primary);
  color: var(--foreground);
}

.dark .result-display .result-value {
  color: var(--primary);
}

.result-units {
  width: 100%;
  margin-top: 0.5rem;
}

.units-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8125rem;
  background: var(--secondary);
  border-radius: calc(var(--radius) - 0.25rem);
  overflow: hidden;
}

.units-table tr {
  border-bottom: 1px solid var(--border);
}

.units-table tr:last-child {
  border-bottom: none;
}

.units-table td {
  padding: 0.375rem 0.75rem;
  text-align: left;
}

.units-table td:last-child {
  text-align: right;
  color: var(--muted-foreground);
}

.dark .units-table {
  background: hsl(215 25% 15%);
}

/* Probability Calculator */
.probability-calculator .calc-card-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--foreground);
  margin-bottom: 0.5rem;
}

.probability-calculator .calc-card-desc {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  margin-bottom: 1rem;
  line-height: 1.5;
}

.probability-calculator .simple-calc .calc-form,
.probability-calculator .simple-calc .calc-results {
  padding: 1rem;
}

.probability-calculator .simple-calc .result-row {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
}

.probability-calculator .simple-calc .result-row:last-child {
  border-bottom: none;
}

.probability-calculator .simple-calc .calc-steps {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.probability-calculator .simple-calc .calc-steps .result-section-title {
  margin-bottom: 1rem;
}

.probability-calculator .simple-calc .step-row {
  display: flex;
  padding: 0.25rem 0;
  font-size: 0.9rem;
}

.probability-calculator .simple-calc .step-row .step-label {
  min-width: 180px;
  color: var(--text-secondary);
}

.probability-calculator .simple-calc .step-row .step-value {
  color: var(--text);
}

.probability-calculator .simple-calc .calc-given {
  margin-bottom: 1rem;
  padding: 0.75rem;
  background: var(--bg-secondary);
  border-radius: 8px;
}

.probability-calculator .simple-calc .calc-given p {
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.probability-calculator .simple-calc .given-row {
  font-size: 0.9rem;
}

.probability-calculator .simple-calc .given-label,
.probability-calculator .simple-calc .given-formula,
.probability-calculator .simple-calc .given-value,
.probability-calculator .simple-calc .given-result {
  display: inline;
}

.probability-calculator .simple-calc .calc-error {
  padding: 0.75rem;
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: 8px;
  color: #dc2626;
}

.dark .probability-calculator .simple-calc .calc-error {
  background: rgba(239, 68, 68, 0.1);
  border-color: rgba(239, 68, 68, 0.3);
  color: #fca5a5;
}

.time-calculator .simple-calc .calc-error {
  padding: 0.75rem;
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: 8px;
  color: #dc2626;
}

.dark .time-calculator .simple-calc .calc-error {
  background: rgba(239, 68, 68, 0.1);
  border-color: rgba(239, 68, 68, 0.3);
  color: #fca5a5;
}

.probability-calculator .confidence-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  margin-top: 0.5rem;
}

.probability-calculator .confidence-table th,
.probability-calculator .confidence-table td {
  padding: 0.5rem;
  text-align: center;
  border: 1px solid var(--border);
}

.probability-calculator .confidence-table th {
  background: var(--bg-secondary);
  font-weight: 600;
}

.probability-calculator .result-row.normal-main {
  font-size: 1.1rem;
  font-weight: 600;
  padding: 0.75rem;
  background: var(--bg-secondary);
  border-radius: 8px;
  margin-bottom: 0.5rem;
}

.probability-calculator .result-row.normal-extra {
  padding: 0.5rem 0;
}

/* Mean Median Mode Range Calculator */
.mean-median-mode-range-calculator .number-input {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: inherit;
  font-size: 1rem;
  resize: vertical;
  background: var(--bg);
  color: var(--text);
  min-height: 100px;
}

.mean-median-mode-range-calculator .number-input:focus {
  outline: none;
  border-color: var(--primary);
}

.mean-median-mode-range-calculator .sorted-data {
  padding: 0.75rem;
  background: var(--bg-secondary);
  border-radius: 8px;
  font-family: monospace;
  font-size: 0.9rem;
  word-break: break-all;
}

/* Average Calculator */
.average-calculator .number-input {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: inherit;
  font-size: 1rem;
  resize: vertical;
  background: var(--bg);
  color: var(--text);
  min-height: 100px;
}

.average-calculator .number-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.dark .average-calculator .number-input {
  background: var(--card);
  color: var(--foreground);
  border-color: var(--border);
}

/* Ratio Calculator */
.ratio-calculator .ratio-inputs {
  display: flex;
  align-items: flex-end;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.ratio-calculator .ratio-inputs .form-group {
  flex: 1;
  min-width: 80px;
}

.ratio-calculator .ratio-colon,
.ratio-calculator .ratio-equals {
  font-size: 1.5rem;
  font-weight: bold;
  padding-bottom: 0.5rem;
  color: var(--text);
}

.ratio-calculator .ratio-scale-input {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.ratio-calculator .ratio-scale-input .number-input {
  flex: 1;
}

/* Ratio Visual Representation */
.ratio-calculator .ratio-visual {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1rem;
  background: var(--bg-secondary);
  border-radius: 8px;
}

.ratio-calculator .visual-bar-container {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.ratio-calculator .visual-bar-label {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--text);
}

.ratio-calculator .visual-bar-group {
  display: flex;
  gap: 2px;
  height: 24px;
}

.ratio-calculator .visual-bar {
  background: var(--primary);
  min-width: 4px;
  height: 100%;
  transition: width 0.3s ease;
}

.ratio-calculator .visual-bar-b {
  background: var(--primary-lighten, var(--primary));
  opacity: 0.6;
}

.ratio-calculator .visual-bar-values {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--muted-foreground);
}

/* Pie Chart */
.ratio-calculator .pie-chart-container {
  margin-top: 1rem;
}

.ratio-calculator .pie-chart {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: conic-gradient(
    var(--primary) 0deg calc(var(--percentage) * 3.6deg),
    var(--primary-lighten, #6b7280) calc(var(--percentage) * 3.6deg) 360deg
  );
  margin: 0.5rem auto;
}

.ratio-calculator .pie-chart-values {
  display: flex;
  justify-content: center;
  gap: 1rem;
  font-size: 0.75rem;
  color: var(--text);
}

.ratio-calculator .pie-color-a,
.ratio-calculator .pie-color-b {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  margin-right: 4px;
}

.ratio-calculator .pie-color-a {
  background: var(--primary);
}

.ratio-calculator .pie-color-b {
  background: var(--primary-lighten, #6b7280);
}

/* Scale Visual Representation */
.ratio-calculator .scale-visual-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1rem;
  background: var(--bg-secondary);
  border-radius: 8px;
}

.ratio-calculator .scale-bar-original,
.ratio-calculator .scale-bar-scaled {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.ratio-calculator .scale-bar-group {
  display: flex;
  gap: 2px;
  height: 24px;
}

.ratio-calculator .scale-bar-a,
.ratio-calculator .scale-bar-b {
  min-width: 4px;
  height: 100%;
  transition: width 0.3s ease;
}

.ratio-calculator .scale-bar-a {
  background: var(--primary);
}

.ratio-calculator .scale-bar-b {
  background: var(--primary-lighten, #6b7280);
  opacity: 0.7;
}

.ratio-calculator .scale-bar-values {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--muted-foreground);
}

.ratio-calculator .visual-bar-label {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--text);
}

/* Square Chart */
.ratio-calculator .square-chart-container {
  padding: 1rem;
  background: var(--bg-secondary);
  border-radius: 8px;
  text-align: center;
}

.ratio-calculator .square-chart {
  display: flex;
  width: 120px;
  height: 120px;
  margin: 0 auto;
  border: 2px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
}

.ratio-calculator .square-a,
.ratio-calculator .square-b {
  transition: all 0.3s ease;
  display: inline-block;
  height: 100%;
}

.ratio-calculator .square-a {
  background: var(--primary);
}

.ratio-calculator .square-b {
  background: var(--primary-lighten, #6b7280);
  opacity: 0.7;
}

.ratio-calculator .square-chart-labels {
  margin-top: 0.5rem;
  font-size: 0.75rem;
  color: var(--muted-foreground);
}

/* Z-Score Calculator */
.z-score-calculator .steps-container {
  padding: 1rem;
  background: var(--bg-secondary);
  border-radius: 8px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  font-family: monospace;
}

.z-score-calculator .steps-container p {
  margin: 0;
}

.z-score-calculator .formula-step {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0.25rem 0.5rem;
  background: var(--bg);
  border-radius: 4px;
}

.z-score-calculator .formula-step span {
  line-height: 1.4;
}

.z-score-calculator .formula-step span:first-child {
  border-bottom: 1px solid var(--text);
  padding-bottom: 2px;
}

/* Triangle SVG Styles */
.triangle-input-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1rem;
}

.triangle-diagram {
  display: flex;
  justify-content: center;
  padding: 1rem;
}

.triangle-svg {
  width: 200px;
  height: 150px;
  max-width: 100%;
}

.triangle-svg text {
  fill: var(--foreground);
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 14px;
}

.triangle-svg polygon {
  stroke: var(--primary);
  fill: var(--secondary);
}

.triangle-svg polyline {
  stroke: var(--foreground);
}

.label-a,
.label-b,
.label-c {
  font-size: 16px !important;
  font-weight: 600;
}

/* Pythagorean Calculator Input */
.pythagorean-input {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.pythagorean-input label {
  font-weight: 600;
  white-space: nowrap;
  min-width: 25px;
}

.pyth-square-input {
  width: 80px;
  text-align: center;
}

.sqrt-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}

.sqrt-top {
  display: flex;
  align-items: flex-end;
  height: 28px;
}

.sqrt-symbol {
  font-family: 'Times New Roman', serif;
  font-size: 1.75rem;
  font-style: italic;
  font-weight: 600;
  color: var(--foreground);
  line-height: 1;
  padding: 0 0.25rem;
}

.sqrt-bottom {
  border-top: 2px solid var(--foreground);
  padding: 4px 0.25rem;
  min-width: 60px;
}

.pyth-result-input {
  width: 70px;
  height: 30px;
  border: 1px solid var(--border);
  background: var(--card);
  text-align: center;
  font-weight: 600;
  color: var(--primary);
  padding: 0;
  cursor: text;
  font-size: 0.9rem;
}

.pyth-result-input:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* Pythagorean Calculator Steps */
.pythagorean-calculator .steps-container {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1rem;
  background: var(--secondary);
  border-radius: var(--radius);
}

.pythagorean-calculator .steps-container .formula-step {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.875rem;
  line-height: 1.5;
  padding: 0.5rem;
  background: var(--card);
  border-radius: 4px;
  border-left: 3px solid var(--primary);
}

.pythagorean-calculator .steps-container .formula-step strong {
  color: var(--primary);
  font-weight: 600;
}

/* Root Calculator Styles */
.root-calculator .root-input-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin: 1.5rem 0;
  flex-wrap: wrap;
}

.root-calculator .sqrt-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.root-calculator .sqrt-top {
  display: flex;
  align-items: flex-end;
  height: 28px;
}

.root-calculator .sqrt-symbol {
  font-family: 'Times New Roman', serif;
  font-size: 2rem;
  font-style: italic;
  font-weight: 600;
  color: var(--foreground);
  line-height: 1;
}

.root-calculator .sqrt-bottom {
  border-top: 2px solid var(--foreground);
  padding: 4px 0.25rem;
  min-width: 80px;
}

.root-calculator .root-input {
  width: 100px;
  padding: 0.5rem;
  font-size: 1rem;
  text-align: center;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
  color: var(--foreground);
}

.root-calculator .root-input:focus {
  outline: none;
  border-color: var(--primary);
}

.root-calculator .cuberoot-wrapper {
  display: flex;
  align-items: center;
}

.root-calculator .cuberoot-symbol {
  font-family: 'Times New Roman', serif;
  font-size: 2.25rem;
  font-style: italic;
  font-weight: 600;
  color: var(--foreground);
  line-height: 1;
}

.root-calculator .equals-sign {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--foreground);
}

.root-calculator .result-display {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 100px;
  padding: 0.5rem 1rem;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--primary);
  background: var(--secondary);
  border-radius: var(--radius);
  text-align: center;
}

.root-calculator .general-root {
  flex-wrap: wrap;
}

.root-calculator .root-n {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-right: 0.5rem;
}

.root-calculator .root-n label {
  font-weight: 600;
  font-size: 1.1rem;
}

/* Fraction Calculator */
.fraction-calculator .calculator-card {
  margin-bottom: 1.5rem;
}

.fraction-calculator .calc-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--foreground);
}

.fraction-calculator .fraction-input-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

.fraction-calculator .fraction-input-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

.fraction-calculator .fraction-input-group input {
  width: 60px;
  padding: 0.5rem;
  text-align: center;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 1rem;
  background: var(--bg);
  color: var(--text);
}

.fraction-calculator .fraction-input-group input:focus {
  outline: none;
  border-color: var(--primary);
}

.fraction-calculator .fraction-bar {
  width: 100%;
  height: 2px;
  background: var(--foreground);
  margin: 2px 0;
}

.fraction-calculator .fraction-input-group.result {
  background: var(--secondary);
  padding: 0.5rem;
  border-radius: 4px;
}

.fraction-calculator .fraction-input-group.result .result-num,
.fraction-calculator .fraction-input-group.result .result-den {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--foreground);
}

.fraction-calculator .operation-select {
  padding: 0.5rem 1rem;
  font-size: 1.25rem;
  font-weight: 600;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--primary);
  color: var(--primary-foreground);
  cursor: pointer;
}

.fraction-calculator .equals-sign {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--foreground);
}

.fraction-calculator .decimal-result {
  margin-top: 0.75rem;
  padding: 0.5rem;
  background: var(--secondary);
  border-radius: 4px;
  text-align: center;
}

.fraction-calculator .decimal-label {
  font-weight: 600;
  margin-right: 0.5rem;
}

.fraction-calculator .decimal-value {
  font-weight: 500;
}

.fraction-calculator .decimal-result-large {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}

.fraction-calculator .number-input.small {
  width: 50px;
  padding: 0.375rem;
  font-size: 0.9rem;
}

.fraction-calculator .decimal-input-wrapper input {
  width: 100px;
  padding: 0.5rem;
  text-align: center;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 1rem;
  background: var(--bg);
  color: var(--text);
}

.fraction-calculator .decimal-input-wrapper input:focus {
  outline: none;
  border-color: var(--primary);
}

.fraction-calculator .fraction-input-group.mixed {
  flex-direction: row;
  flex-wrap: wrap;
  gap: 2px;
}

.fraction-calculator .fraction-input-group.mixed input:first-child {
  width: 40px;
}

.fraction-calculator .fraction-result-display {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.fraction-calculator .fraction-result-display .result-num,
.fraction-calculator .fraction-result-display .result-den {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--foreground);
}

.fraction-calculator .result-value.large {
  font-size: 1.5rem;
  font-weight: 700;
}

.root-calculator .root-n .number-input {
  width: 80px;
  padding: 0.5rem;
  font-size: 1rem;
  text-align: center;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
  color: var(--foreground);
}

.root-calculator .root-n .number-input:focus {
  outline: none;
  border-color: var(--primary);
}

@media (max-width: 768px) {
  .triangle-input-container {
    align-items: center;
  }
  
  .triangle-diagram {
    width: 100%;
  }
}

/* Fraction Chart Container */
.fraction-calculator .fraction-chart-container {
  margin-top: 1rem;
  padding: 1rem;
  background: var(--secondary);
  border-radius: 8px;
  text-align: center;
}

.fraction-calculator .pie-chart {
  width: 100px;
  height: 100px;
  margin: 0 auto;
}

.fraction-calculator .pie-svg {
  width: 100%;
  height: 100%;
}

.fraction-calculator .pie-label {
  font-size: 10px;
  font-weight: 600;
  fill: var(--foreground);
}

.fraction-calculator .chart-label {
  display: block;
  font-size: 0.75rem;
  color: var(--muted-foreground);
  margin-top: 0.5rem;
}

/* Bar Chart */
.fraction-calculator .bar-chart {
  width: 100%;
  max-width: 150px;
  margin: 0 auto;
}

.fraction-calculator .bar-container {
  position: relative;
  height: 30px;
  background: var(--bg);
  border-radius: 4px;
  overflow: hidden;
}

.fraction-calculator .bar-fill {
  height: 100%;
  background: var(--primary);
  border-radius: 4px;
  transition: width 0.3s ease;
}

.fraction-calculator .bar-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  margin-top: 0.25rem;
  color: var(--foreground);
}

/* Calculation Steps */
.fraction-calculator .calc-steps {
  margin-top: 1rem;
  padding: 0.75rem;
  background: var(--secondary);
  border-radius: 8px;
}

.fraction-calculator .calc-steps .result-section-title {
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--foreground);
}

.fraction-calculator .step-content {
  font-size: 0.8rem;
  color: var(--muted-foreground);
}

.fraction-calculator .step-content p {
  margin: 0.25rem 0;
}

/* Big Number Inputs */
.fraction-calculator .number-input.big {
  width: 150px;
  padding: 0.5rem;
  font-size: 0.85rem;
}

/* Big Number Calculator */
.big-number-calculator .big-number-input {
  font-family: monospace;
  font-size: 1rem;
  padding: 0.625rem;
  background: var(--card);
  color: var(--foreground);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 100%;
  max-width: 400px;
}

.big-number-calculator .big-number-input:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.big-number-calculator .precision-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.big-number-calculator .precision-select {
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
  color: var(--foreground);
  font-size: 0.875rem;
  cursor: pointer;
  min-width: 70px;
}

.big-number-calculator .precision-select:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.big-number-calculator .precision-label {
  font-size: 0.75rem;
  color: var(--muted-foreground);
}

.big-number-calculator .operation-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1rem 0;
}

.big-number-calculator .operation-buttons .action-btn {
  flex: 1;
  min-width: calc(25% - 0.5rem);
  padding: 0.625rem 0.5rem;
  font-size: 0.8125rem;
  text-align: center;
}

.big-number-calculator .result-box.primary.highlight {
  word-break: break-all;
  font-family: monospace;
  font-size: 0.8125rem;
  line-height: 1.5;
  padding: 1rem;
  min-height: 60px;
  overflow-x: auto;
}

.big-number-calculator .result-box.primary.highlight .result-placeholder {
  color: white;
}

.big-number-calculator .result-box.primary.highlight strong {
  display: block;
  font-size: 0.75rem;
  color: white;
  margin-bottom: 0.5rem;
  font-weight: 500;
  text-transform: uppercase;
}

.dark .big-number-calculator .error-message {
  background: #450a0a;
  color: #fca5a5;
  border-color: #7f1d1d;
}

@media (max-width: 768px) {
  .big-number-calculator .big-number-input {
    font-size: 0.875rem;
    padding: 0.5rem;
  }
  
  .big-number-calculator .operation-buttons {
    gap: 0.375rem;
  }
  
  .big-number-calculator .operation-buttons .action-btn {
    flex: 1;
    min-width: calc(33.33% - 0.375rem);
    padding: 0.5rem 0.375rem;
    font-size: 0.6875rem;
  }
  
  .big-number-calculator .precision-group {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
  
  .big-number-calculator .precision-label {
    font-size: 0.6875rem;
  }
  
  .big-number-calculator .result-box.primary.highlight {
    font-size: 0.75rem;
    padding: 0.75rem;
  }
}

.fraction-calculator .big-number-result {
  display: flex;
  flex-direction: column;
  align-items: center;
  font-size: 0.75rem;
}

.fraction-calculator .big-number-result .result-num,
.fraction-calculator .big-number-result .result-den {
  font-size: 0.8rem;
  font-weight: 600;
  word-break: break-all;
  text-align: center;
}

.fraction-calculator .input-hint {
  font-size: 0.75rem;
  color: var(--muted-foreground);
  margin-bottom: 0.75rem;
}

/* Triangle Calculator Styles */
.triangle-calc-card {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  max-width: 900px;
}

.triangle-canvas-container {
  position: relative;
  width: 100%;
  max-width: 400px;
  margin: 0 auto;
  background: var(--secondary);
  border-radius: calc(var(--radius) - 0.25rem);
  padding: 1rem;
}

#triangleCanvas {
  display: block;
  width: 100%;
  height: auto;
  background: var(--background);
  border-radius: calc(var(--radius) - 0.25rem);
  border: 1px solid var(--border);
}

.triangle-input-form {
  background: var(--card);
  border-radius: calc(var(--radius) - 0.25rem);
  padding: 1.5rem;
  border: 1px solid var(--border);
}

.triangle-input-form .calc-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--foreground);
}

.triangle-input-form .input-hint {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  margin-bottom: 1.5rem;
}

.triangle-inputs-grid {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

.triangle-input-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.triangle-input-group {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.triangle-input-group label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--muted-foreground);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.triangle-input-group input {
  padding: 0.75rem;
  font-size: 1rem;
  font-family: inherit;
  border: 1px solid var(--input);
  border-radius: calc(var(--radius) - 0.25rem);
  background: var(--background);
  color: var(--foreground);
  text-align: center;
}

.triangle-input-group input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.angle-unit-selector {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
  padding: 1rem;
  background: var(--secondary);
  border-radius: calc(var(--radius) - 0.25rem);
}

.angle-unit-selector label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--foreground);
}

.angle-unit-selector .operation-select {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  border: 1px solid var(--input);
  border-radius: calc(var(--radius) - 0.25rem);
  background: var(--background);
  color: var(--foreground);
  cursor: pointer;
}

.triangle-results {
  background: var(--card);
  border-radius: calc(var(--radius) - 0.25rem);
  padding: 1.5rem;
  border: 1px solid var(--border);
}

.triangle-results .results-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--foreground);
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--border);
}

.triangle-results .results-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

@media (max-width: 600px) {
  .triangle-input-row {
    grid-template-columns: 1fr 1fr;
  }
  
  .triangle-results .results-grid {
    grid-template-columns: 1fr;
  }
}

.triangle-results .result-section {
  background: var(--secondary);
  padding: 1rem;
  border-radius: calc(var(--radius) - 0.25rem);
}

.triangle-results .result-section-title {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.triangle-results .result-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.375rem 0;
}

.triangle-results .result-row .result-label {
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

.triangle-results .result-row .result-value {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--foreground);
}

.triangle-results .result-row.highlight {
  background: linear-gradient(135deg, hsl(242 85% 55%), hsl(262 85% 55%));
  margin: 0 -0.5rem;
  padding: 0.5rem;
  border-radius: calc(var(--radius) - 0.25rem);
}

.triangle-results .result-row.highlight .result-label,
.triangle-results .result-row.highlight .result-value {
  color: white;
}

.dark .triangle-results .result-row.highlight {
  background: linear-gradient(135deg, hsl(242 85% 65%), hsl(262 85% 65%));
}

/* Triangle Visual Input Layout (matching calculator.net) */
.triangle-visual-input {
  position: relative;
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) - 0.25rem);
  padding: 2rem 1rem;
  min-height: 200px;
  margin-bottom: 1.5rem;
}

.triangle-visual-input .visual-input-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.triangle-visual-input .visual-input-row.top-center {
  justify-content: center;
}

.triangle-visual-input .visual-input-row.middle {
  margin-top: 1.5rem;
}

.triangle-visual-input .visual-input-row.bottom {
  margin-top: 1.5rem;
  justify-content: space-between;
}

.triangle-visual-input .visual-input-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.375rem;
}

.triangle-visual-input .visual-input-group.left,
.triangle-visual-input .visual-input-group.right {
  align-items: flex-start;
}

.triangle-visual-input .visual-input-group.right {
  align-items: flex-end;
}

.triangle-visual-input .visual-input-group.bottom-left {
  align-items: flex-start;
}

.triangle-visual-input .visual-input-group.bottom-right {
  align-items: flex-end;
}

.triangle-visual-input .visual-input-spacer {
  flex: 1;
}

.triangle-visual-input .visual-input-group label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--muted-foreground);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.triangle-visual-input .visual-input-group input {
  width: 80px;
  padding: 0.5rem;
  font-size: 0.9375rem;
  font-family: inherit;
  border: 1px solid var(--input);
  border-radius: calc(var(--radius) - 0.25rem);
  background: var(--card);
  color: var(--foreground);
  text-align: center;
}

.triangle-visual-input .visual-input-group input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

@media (max-width: 480px) {
  .triangle-visual-input .visual-input-group input {
    width: 60px;
    font-size: 0.875rem;
    padding: 0.375rem;
  }
  
  .triangle-visual-input .visual-input-group label {
    font-size: 0.625rem;
  }
}

/* Expandable Calculation Steps */
.triangle-results .expand-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.875rem 1rem;
  margin-top: 1rem;
  font-size: 0.9375rem;
  font-weight: 600;
  font-family: inherit;
  color: var(--primary);
  background: var(--secondary);
  border: 2px dashed var(--primary);
  border-radius: calc(var(--radius) - 0.25rem);
  cursor: pointer;
  transition: all 0.2s ease;
}

.triangle-results .expand-btn:hover {
  background: var(--primary);
  color: var(--primary-foreground);
  border-style: solid;
  opacity: 0.9;
}

.triangle-results .expand-btn #toggleIcon {
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1;
}

.triangle-results .calculation-steps {
  margin-top: 1rem;
  padding: 1.25rem;
  background: var(--secondary);
  border-radius: calc(var(--radius) - 0.25rem);
  animation: slideDown 0.3s ease;
}

.triangle-results .calc-steps-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--foreground);
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.triangle-results .steps-content {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.triangle-results .step-item {
  padding: 0.75rem;
  background: var(--background);
  border-radius: calc(var(--radius) - 0.25rem);
  border-left: 3px solid var(--primary);
}

.triangle-results .step-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.375rem;
}

.triangle-results .step-formula {
  font-size: 0.9375rem;
  color: var(--foreground);
  font-family: 'Times New Roman', serif;
}

.triangle-results .step-result {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  margin-top: 0.25rem;
}

.triangle-results .step-note {
  font-size: 0.8125rem;
  color: var(--muted-foreground);
  margin-top: 0.25rem;
  font-style: italic;
}

.triangle-results .steps-placeholder {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  text-align: center;
  padding: 1rem;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Standard Deviation Calculator Styles */
.standard-dev-calc-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

@media (max-width: 768px) {
  .standard-dev-calc-card {
    grid-template-columns: 1fr;
  }
}

.standard-dev-calc-card .calc-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.numbers-textarea {
  width: 100%;
  padding: 0.75rem;
  font-size: 0.9375rem;
  font-family: inherit;
  border: 1px solid var(--input);
  border-radius: calc(var(--radius) - 0.25rem);
  background: var(--background);
  color: var(--foreground);
  resize: vertical;
  min-height: 80px;
}

.numbers-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.data-type-selector {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1rem;
  background: var(--secondary);
  border-radius: calc(var(--radius) - 0.25rem);
}

.data-type-selector .type-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--foreground);
}

.radio-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  font-size: 0.875rem;
  color: var(--foreground);
}

.radio-label input[type="radio"] {
  display: none;
}

.radio-mark {
  width: 18px;
  height: 18px;
  border: 2px solid var(--border);
  border-radius: 50%;
  position: relative;
  transition: all 0.2s;
}

.radio-label input[type="radio"]:checked + .radio-mark {
  border-color: var(--primary);
}

.radio-label input[type="radio"]:checked + .radio-mark::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 10px;
  height: 10px;
  background: var(--primary);
  border-radius: 50%;
}

.standard-dev-calc-card .calc-results {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.standard-dev-calc-card .results-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--foreground);
  margin-bottom: 0.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--border);
}

.standard-dev-calc-card .results-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.standard-dev-calc-card .result-primary {
  grid-column: 1 / -1;
}

.standard-dev-calc-card .result-section {
  background: var(--secondary);
  padding: 1rem;
  border-radius: calc(var(--radius) - 0.25rem);
}

.standard-dev-calc-card .result-section-title {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.standard-dev-calc-card .result-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.375rem 0;
}

.standard-dev-calc-card .result-row .result-label {
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

.standard-dev-calc-card .result-row .result-value {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--foreground);
}

.standard-dev-calc-card .expand-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.875rem 1rem;
  margin-top: 0;
  font-size: 0.9375rem;
  font-weight: 600;
  font-family: inherit;
  color: var(--primary);
  background: var(--secondary);
  border: 2px dashed var(--primary);
  border-radius: calc(var(--radius) - 0.25rem);
  cursor: pointer;
  transition: all 0.2s ease;
}

.standard-dev-calc-card .expand-btn:hover {
  background: var(--primary);
  color: var(--primary-foreground);
  border-style: solid;
  opacity: 0.9;
}

.standard-dev-calc-card .calculation-steps {
  margin-top: 1rem;
  padding: 1.25rem;
  background: var(--secondary);
  border-radius: calc(var(--radius) - 0.25rem);
  animation: slideDown 0.3s ease;
}

.standard-dev-calc-card .calc-steps-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--foreground);
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.standard-dev-calc-card .steps-content {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.standard-dev-calc-card .step-item {
  padding: 0.75rem;
  background: var(--background);
  border-radius: calc(var(--radius) - 0.25rem);
  border-left: 3px solid var(--primary);
}

.standard-dev-calc-card .step-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.375rem;
}

.standard-dev-calc-card .step-formula {
  font-size: 0.9375rem;
  color: var(--foreground);
  line-height: 1.5;
}

.standard-dev-calc-card .step-result {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  margin-top: 0.375rem;
}

.standard-dev-calc-card .steps-placeholder {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  text-align: center;
  padding: 1rem;
}

/* Standard Deviation Results - Calculator.net Style */
.standard-dev-calc-card .results-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.standard-dev-calc-card .result-primary-box {
  background: linear-gradient(135deg, hsl(242 85% 55%), hsl(262 85% 55%));
  color: white;
  padding: 1.5rem;
  border-radius: calc(var(--radius) - 0.25rem);
  text-align: center;
}

.standard-dev-calc-card .result-main-label {
  font-size: 0.875rem;
  font-weight: 600;
  opacity: 0.9;
  margin-bottom: 0.5rem;
}

.standard-dev-calc-card .result-main-value {
  font-size: 2rem;
  font-weight: 700;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.25rem;
}

.standard-dev-calc-card .result-main-value .symbol {
  font-size: 1.5rem;
  font-style: italic;
}

.standard-dev-calc-card .result-table {
  background: var(--secondary);
  border-radius: calc(var(--radius) - 0.25rem);
  overflow: hidden;
}

.standard-dev-calc-card .result-table-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
}

.standard-dev-calc-card .result-table-row:last-child {
  border-bottom: none;
}

.standard-dev-calc-card .result-table-row .result-label {
  font-size: 0.9375rem;
  color: var(--foreground);
  font-weight: 500;
}

.standard-dev-calc-card .result-table-row .result-value {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--primary);
}

.standard-dev-calc-card .result-sem-box {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1rem;
  background: var(--secondary);
  border-radius: calc(var(--radius) - 0.25rem);
}

.standard-dev-calc-card .result-sem-box .result-label {
  font-size: 0.9375rem;
  color: var(--foreground);
  font-weight: 500;
}

.standard-dev-calc-card .result-sem-box .result-value {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--foreground);
}

/* Steps Card */
.calculator-card.steps-card {
  padding: 1rem;
}

.calculator-card.steps-card .expand-btn {
  margin-bottom: 0;
}

.calculator-card.steps-card .calculation-steps {
  margin-top: 1rem;
}

.calculator-card.steps-card .calc-steps-section {
  margin-bottom: 1.5rem;
  padding: 1rem;
  background: var(--secondary);
  border-radius: calc(var(--radius) - 0.25rem);
}

.calculator-card.steps-card .section-subtitle {
  font-size: 1rem;
  font-weight: 600;
  color: var(--foreground);
  margin-bottom: 0.75rem;
}

.calculator-card.steps-card .section-description {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  line-height: 1.5;
  margin-bottom: 0.75rem;
}

.calculator-card.steps-card .formula-block {
  font-family: 'Times New Roman', serif;
  font-size: 1rem;
  line-height: 2;
  padding: 0.5rem 0;
}

.calculator-card.steps-card .formula-line {
  display: inline;
  margin-right: 0.25rem;
}

.calculator-card.steps-card .formula-fraction {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  vertical-align: middle;
  margin: 0 0.25rem;
}

.calculator-card.steps-card .numerator,
.calculator-card.steps-card .denominator {
  padding: 0.125rem 0.25rem;
}

.calculator-card.steps-card .fraction-bar {
  width: 100%;
  height: 1px;
  background: var(--foreground);
}

.calculator-card.steps-card .highlight-result {
  color: var(--primary);
  font-weight: 700;
}

/* Confidence Interval Table */
.calculator-card.steps-card .confidence-table-container {
  overflow-x: auto;
  margin: 1rem 0;
}

.calculator-card.steps-card .confidence-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.calculator-card.steps-card .confidence-table th,
.calculator-card.steps-card .confidence-table td {
  padding: 0.625rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.calculator-card.steps-card .confidence-table th {
  background: var(--secondary);
  font-weight: 600;
  color: var(--foreground);
}

.calculator-card.steps-card .confidence-table td {
  color: var(--muted-foreground);
}

.calculator-card.steps-card .confidence-table tbody tr:hover {
  background: var(--secondary);
}

.calculator-card.steps-card .error-bar-wrapper {
  display: flex;
  align-items: center;
  min-width: 120px;
}

.calculator-card.steps-card .error-bar-track {
  width: 100px;
  height: 14px;
  background: var(--border);
  border-radius: 7px;
  overflow: hidden;
}

.calculator-card.steps-card .error-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, hsl(242 85% 55%), hsl(262 85% 55%));
  border-radius: 7px;
  transition: width 0.3s ease;
}

.dark .calculator-card.steps-card .error-bar-fill {
  background: linear-gradient(90deg, hsl(242 85% 65%), hsl(262 85% 65%));
}

/* Frequency Table */
.calculator-card.steps-card .frequency-table {
  overflow-x: auto;
}

.calculator-card.steps-card .frequency-table table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.calculator-card.steps-card .frequency-table th,
.calculator-card.steps-card .frequency-table td {
  padding: 0.5rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.calculator-card.steps-card .frequency-table th {
  background: var(--secondary);
  font-weight: 600;
  color: var(--foreground);
}

.calculator-card.steps-card .frequency-table td {
  color: var(--foreground);
}

.calculator-card.steps-card .frequency-table tbody tr:hover {
  background: var(--secondary);
}

/* Dark mode adjustments */
.dark .standard-dev-calc-card .formula-bar {
  background: var(--foreground);
}

/* Number Sequence Calculator Styles */
.sequence-calc-card {
  display: flex;
  flex-direction: column;
  max-width: 900px;
  margin: 0 auto;
  overflow: hidden;
  width: 100%;
  box-sizing: border-box;
}

/* Sequence Sections */
.sequence-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  overflow: hidden;
  min-width: 0;
  width: 100%;
  box-sizing: border-box;
}

@media (max-width: 768px) {
  .sequence-section {
    grid-template-columns: 1fr;
  }
}

.sequence-section .calc-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--foreground);
  margin-bottom: 0;
  flex-shrink: 0;
}

.sequence-section .input-hint {
  font-size: 0.6875rem;
  color: var(--muted-foreground);
  margin-bottom: 0;
  flex-shrink: 0;
}

.sequence-section .form-group {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  flex-shrink: 0;
}

.sequence-section .calc-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 0.75rem;
  background: var(--card);
  border-radius: calc(var(--radius) - 0.25rem);
  border: 1px solid var(--border);
  overflow: hidden;
  min-width: 0;
  box-sizing: border-box;
  width: 100%;
}

.sequence-section .form-group label {
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--foreground);
}

.sequence-section .number-input {
  padding: 0.5rem 0.625rem;
  font-size: 0.875rem;
  font-family: inherit;
  border: 1px solid var(--input);
  border-radius: calc(var(--radius) - 0.25rem);
  background: var(--background);
  color: var(--foreground);
  width: 100%;
  box-sizing: border-box;
}

.sequence-section .number-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.sequence-section .calc-results {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 0.75rem;
  background: var(--card);
  border-radius: calc(var(--radius) - 0.25rem);
  border: 1px solid var(--border);
  overflow: hidden;
  min-width: 0;
  box-sizing: border-box;
  width: 100%;
}

.sequence-section .results-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--foreground);
  margin-bottom: 0;
  padding-bottom: 0.375rem;
  border-bottom: 2px solid var(--border);
  flex-shrink: 0;
}

.sequence-section .result-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--secondary);
  border-radius: calc(var(--radius) - 0.25rem);
  overflow: hidden;
}

.sequence-section .result-row {
  display: table-row;
}

.sequence-section .result-row .result-label,
.sequence-section .result-row .result-value {
  display: table-cell;
  padding: 0.375rem 0.5rem;
  font-size: 0.8125rem;
  vertical-align: middle;
}

.sequence-section .result-row .result-label {
  color: var(--muted-foreground);
  text-align: left;
}

.sequence-section .result-row .result-value {
  color: var(--foreground);
  font-weight: 600;
  text-align: right;
  white-space: nowrap;
}

.sequence-section .result-row:not(:last-child) .result-label,
.sequence-section .result-row:not(:last-child) .result-value {
  border-bottom: 1px solid var(--border);
}

.sequence-section .result-row.highlight .result-label,
.sequence-section .result-row.highlight .result-value {
  background: linear-gradient(135deg, hsl(242 85% 55%), hsl(262 85% 55%));
  color: white;
}

.dark .sequence-section .result-row.highlight .result-label,
.dark .sequence-section .result-row.highlight .result-value {
  background: linear-gradient(135deg, hsl(242 85% 65%), hsl(262 85% 65%));
}

/* Action Buttons */
.sequence-section .action-buttons {
  display: flex;
  gap: 0.375rem;
  margin-top: 0.25rem;
  flex-shrink: 0;
}

.sequence-section .action-btn {
  flex: 1;
  padding: 0.5rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  font-family: inherit;
  border-radius: calc(var(--radius) - 0.25rem);
  cursor: pointer;
  transition: all 0.2s;
  border: none;
}

.sequence-section .action-btn.primary {
  background: var(--primary);
  color: var(--primary-foreground);
}

.sequence-section .action-btn.primary:hover {
  opacity: 0.9;
}

.sequence-section .action-btn.secondary {
  background: var(--secondary);
  color: var(--secondary-foreground);
  border: 1px solid var(--border);
}

.sequence-section .action-btn.secondary:hover {
  background: var(--border);
}

/* Sequence Display Styling */
.sequence-section .sequence-display {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--foreground);
  padding: 0.375rem 0.5rem;
  background: var(--secondary);
  border-radius: calc(var(--radius) - 0.25rem);
  word-break: break-all;
  overflow-wrap: break-word;
  max-width: 100%;
  box-sizing: border-box;
  line-height: 1.4;
  flex-shrink: 0;
}

.sequence-section .nth-value-display {
  font-size: 0.75rem;
  color: white;
  padding: 0.25rem 0.5rem;
  background: hsl(142 76% 36%);
  border-radius: calc(var(--radius) - 0.25rem);
  word-break: break-word;
  flex-shrink: 0;
}

.sequence-section .nth-value-display strong {
  font-size: 0.875rem;
  font-weight: 700;
}

.sequence-section .sum-display {
  font-size: 0.75rem;
  color: white;
  padding: 0.25rem 0.5rem;
  background: linear-gradient(135deg, hsl(242 85% 55%), hsl(262 85% 55%));
  border-radius: calc(var(--radius) - 0.25rem);
  word-break: break-word;
  flex-shrink: 0;
}

.sequence-section .sum-display strong {
  font-size: 0.8125rem;
  font-weight: 700;
}

.dark .sequence-section .nth-value-display {
  background: hsl(142 76% 46%);
}

.dark .sequence-section .sum-display {
  background: linear-gradient(135deg, hsl(242 85% 65%), hsl(262 85% 65%));
}

/* Bottom Ad */
.ad-container.ad-bottom {
  margin-top: 2rem;
}

/* Quadratic Formula Calculator Styles */
.quadratic-calc-card {
  max-width: 700px;
}

.quadratic-calc-card .calc-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.quadratic-calc-card .calc-results {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.quadratic-equation-display {
  text-align: center;
  padding: 1.25rem;
  background: var(--secondary);
  border-radius: calc(var(--radius) - 0.25rem);
}

.equation-text {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--foreground);
}

.quadratic-inputs {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.quadratic-input-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.quadratic-input-group label {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--foreground);
}

.quadratic-input {
  padding: 0.75rem 1rem;
  font-size: 1.125rem;
  font-family: inherit;
  text-align: center;
  border: 2px solid var(--border);
  border-radius: calc(var(--radius) - 0.25rem);
  background: var(--background);
  color: var(--foreground);
  width: 100px;
}

.quadratic-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.input-hint {
  text-align: center;
  font-size: 0.875rem;
  color: var(--muted-foreground);
  margin: 0;
}

.quadratic-display {
  padding: 1rem;
  background: var(--secondary);
  border-radius: calc(var(--radius) - 0.25rem);
}

.quadratic-equation-result {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--foreground);
  text-align: center;
}

.discriminant-display {
  font-size: 0.9375rem;
  color: var(--muted-foreground);
  margin-bottom: 0.25rem;
}

.discriminant-value {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
}

.roots-display {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

.root-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--secondary);
  border-radius: calc(var(--radius) - 0.25rem);
  min-width: 120px;
  justify-content: center;
}

.root-item.complex {
  background: hsl(270 50% 50%);
  color: white;
}

.root-label {
  font-size: 1rem;
  font-weight: 600;
  color: var(--muted-foreground);
}

.root-item.complex .root-label {
  color: white;
}

.root-value {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--foreground);
  font-family: 'Courier New', monospace;
}

.root-item.complex .root-value {
  color: white;
}

.quadratic-info {
  padding: 0.75rem;
  background: var(--secondary);
  border-radius: calc(var(--radius) - 0.25rem);
}

.quadratic-info p {
  margin: 0;
  text-align: center;
  font-size: 0.9375rem;
  color: var(--muted-foreground);
}

/* Parabola Card */
.parabola-card {
  max-width: 500px;
  margin: 2rem auto;
}

.parabola-card .card-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--foreground);
  text-align: center;
  margin-bottom: 1rem;
}

.parabola-container {
  display: flex;
  justify-content: center;
  background: var(--secondary);
  border-radius: calc(var(--radius) - 0.25rem);
  padding: 1rem;
}

#parabolaCanvas {
  background: white;
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) - 0.25rem);
  max-width: 100%;
}

@media (max-width: 500px) {
  .quadratic-inputs {
    gap: 1rem;
  }
  
  .quadratic-input {
    width: 80px;
    font-size: 1rem;
  }
  
  .roots-display {
    flex-direction: column;
    align-items: center;
  }
}

/* Hex Calculator Styles */
.hex-calc-card {
  max-width: 700px;
}

.hex-calc-card .calc-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.hex-calc-card .calc-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--foreground);
  margin-bottom: 0.25rem;
}

.hex-calc-card .calc-subtitle {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  margin: 0;
}

.hex-math-input {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  padding: 1.25rem;
  background: var(--secondary);
  border-radius: calc(var(--radius) - 0.25rem);
}

.hex-input {
  padding: 0.625rem 0.875rem;
  font-size: 1rem;
  font-family: 'Courier New', monospace;
  font-weight: 600;
  border: 2px solid var(--border);
  border-radius: calc(var(--radius) - 0.25rem);
  background: var(--background);
  color: var(--foreground);
  text-transform: uppercase;
  width: 120px;
}

.hex-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.hex-operator-select {
  padding: 0.625rem 0.75rem;
  font-size: 1.25rem;
  font-weight: 700;
  border: 2px solid var(--border);
  border-radius: calc(var(--radius) - 0.25rem);
  background: var(--card);
  color: var(--primary);
  cursor: pointer;
}

.hex-operator-select:focus {
  outline: none;
  border-color: var(--primary);
}

.hex-equals {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--muted-foreground);
}

.hex-result {
  font-family: 'Courier New', monospace;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
  min-width: 80px;
  text-align: center;
  padding: 0.375rem 0.75rem;
  background: var(--card);
  border-radius: calc(var(--radius) - 0.25rem);
  border: 1px solid var(--border);
}

.hex-convert-input {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1rem;
  background: var(--secondary);
  border-radius: calc(var(--radius) - 0.25rem);
}

.hex-convert-input label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--foreground);
}

.hex-convert-input .hex-input {
  width: 100%;
}

.hex-convert-input .hex-result {
  align-self: flex-end;
}

.calc-results {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.results-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--foreground);
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--border);
  margin: 0;
}

.hex-display {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem;
  background: linear-gradient(135deg, hsl(142 76% 36%), hsl(162 76% 36%));
  border-radius: calc(var(--radius) - 0.25rem);
  color: white;
  font-size: 1.25rem;
  font-weight: 600;
  flex-wrap: wrap;
}

.hex-value,
.hex-result-val {
  font-family: 'Courier New', monospace;
  color: white;
}

.hex-op,
.hex-eq {
  font-size: 1rem;
  opacity: 0.9;
}

.decimal-result,
.decimal-value {
  font-family: 'Courier New', monospace;
  color: white;
}

.hex-info {
  padding: 0.75rem;
  background: var(--secondary);
  border-radius: calc(var(--radius) - 0.25rem);
}

.hex-conversion {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.conversion-label {
  font-size: 0.75rem;
  color: var(--muted-foreground);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.conversion-val {
  font-family: 'Courier New', monospace;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--foreground);
}

.hex-formula {
  font-family: 'Courier New', monospace;
  font-size: 0.8125rem;
  color: var(--muted-foreground);
  line-height: 1.6;
  margin: 0;
  white-space: pre-wrap;
}

@media (max-width: 600px) {
  .hex-math-input {
    flex-direction: column;
    gap: 0.5rem;
  }
  
  .hex-input {
    width: 100%;
    text-align: center;
  }
  
  .hex-operator-select {
    width: 100%;
  }
  
  .hex-result {
    width: 100%;
  }
}

/* Exponent Calculator Styles */
.exponent-calc-card {
  max-width: 700px;
}

.exponent-calc-card .calc-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.exponent-calc-card .calc-results {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.exponent-formula {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--secondary);
  border-radius: calc(var(--radius) - 0.25rem);
}

.exponent-input-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.exponent-input {
  padding: 0.75rem 1rem;
  font-size: 1.25rem;
  font-family: inherit;
  border: 2px solid var(--border);
  border-radius: calc(var(--radius) - 0.25rem);
  background: var(--background);
  color: var(--foreground);
  text-align: center;
  width: 120px;
}

.exponent-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.exponent-symbol {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}

.equals-symbol {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--muted-foreground);
}

.exponent-hint {
  text-align: center;
}

.link-btn {
  background: none;
  border: none;
  color: var(--primary);
  cursor: pointer;
  font-size: 0.875rem;
  text-decoration: underline;
  padding: 0;
}

.link-btn:hover {
  color: var(--foreground);
}

.exponent-input-full {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 0 1rem;
}

.exponent-input-full label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--foreground);
  text-align: center;
}

.exponent-input.result-input {
  width: 200px;
  margin: 0 auto;
}

.exponent-display {
  padding: 1.5rem;
  background: linear-gradient(135deg, hsl(142 76% 36%), hsl(162 76% 36%));
  border-radius: calc(var(--radius) - 0.25rem);
  color: white;
  text-align: center;
}

.exponent-formula-display {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.exponent-formula-display .base-display,
.exponent-formula-display .exponent-display-val {
  font-size: 2rem;
  font-weight: 700;
}

.exponent-symbol-display {
  font-size: 1.5rem;
  font-weight: 700;
}

.equals-display {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 0.5rem;
}

.result-display {
  font-size: 2.5rem;
  font-weight: 700;
}

.result-info {
  padding: 1rem;
  background: var(--secondary);
  border-radius: calc(var(--radius) - 0.25rem);
}

.result-info p {
  margin: 0;
  text-align: center;
  font-size: 0.9375rem;
  color: var(--muted-foreground);
}

.result-info .error-message {
  color: hsl(0 72% 51%);
}

.dark .result-info .error-message {
  color: hsl(0 62% 65%);
}

@media (max-width: 500px) {
  .exponent-formula {
    flex-direction: column;
    gap: 0.75rem;
  }
  
  .exponent-input {
    width: 100px;
    font-size: 1rem;
    padding: 0.5rem 0.75rem;
  }
  
  .exponent-formula-display .base-display,
  .exponent-formula-display .exponent-display-val,
  .result-display {
    font-size: 1.5rem;
  }
}

/* Log Calculator Styles */
.log-calculator .calculator-card.simple-calc {
  max-width: 700px;
}

.log-equation {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: center;
  padding: 1.5rem;
  background: var(--secondary);
  border-radius: var(--radius);
  margin-bottom: 1rem;
}

.log-equation .log-text {
  font-size: 1.75rem;
  color: var(--foreground);
}

.log-inputs {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.log-base-label {
  font-size: 0.75rem;
  color: var(--muted-foreground);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.log-equation .number-input {
  width: 120px;
  padding: 0.75rem;
  font-size: 1.25rem;
  text-align: center;
  font-family: inherit;
}

.log-equation #argumentInput {
  width: 140px;
}

.log-equation #resultInput {
  width: 140px;
}

.log-equals {
  font-size: 1.75rem;
  color: var(--foreground);
  margin: 0 0.5rem;
}

.log-calculator .calc-error {
  text-align: center;
  margin-bottom: 1rem;
}

.related-tools-inline {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin: 1.5rem 0;
  padding: 1rem;
  background: var(--secondary);
  border-radius: var(--radius);
}

.related-label {
  font-weight: 600;
  color: var(--muted-foreground);
}

.related-link {
  color: var(--primary);
  text-decoration: none;
  font-size: 0.9375rem;
  transition: color 0.2s;
}

.related-link:hover {
  color: var(--primary-foreground);
  text-decoration: underline;
}

.formula-example {
  font-style: italic;
  color: var(--muted-foreground);
  margin-top: 0.5rem;
}

.fraction-formula {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.fraction-formula-line {
  width: 60px;
  height: 2px;
  background: var(--foreground);
}

.dark .fraction-formula-line {
  background: var(--foreground);
}

/* Surface Area Calculator Styles */
.calc-form h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--foreground);
  margin-bottom: 0.5rem;
}

.calc-note {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  margin-bottom: 1rem;
  font-style: italic;
}

.input-with-unit {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.input-with-unit input {
  flex: 1;
  min-width: 0;
}

.input-with-unit select {
  min-width: 100px;
  padding: 0.5rem 0.375rem;
  text-align: center;
  flex-shrink: 0;
}

.calc-diagram {
  display: flex;
  justify-content: center;
  padding: 1rem 0;
}

.diagram-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem;
  background: var(--secondary);
  border-radius: var(--radius);
  min-width: 120px;
}

.diagram-placeholder svg {
  width: 80px;
  height: 80px;
  color: var(--muted-foreground);
}

.diagram-placeholder span {
  font-size: 0.75rem;
  color: var(--muted-foreground);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.ball-diagram svg {
  width: 100px;
  height: 100px;
}

.form-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.calc-results {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.result-display {
  display: none;
  padding: 1rem;
  background: var(--secondary);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  height: 100%;
}

.result-display .result-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
}

.result-display .result-item {
  display: flex;
  justify-content: space-between;
  padding: 0.375rem 0.5rem;
  background: var(--background);
  border-radius: 0.25rem;
}

.result-display .result-label {
  font-size: 0.8125rem;
  color: var(--muted-foreground);
  font-weight: 500;
}

.result-display .result-value {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--foreground);
}

.result-display .result-item.total {
  grid-column: 1 / -1;
  background: var(--primary);
  margin-top: 0.5rem;
}

.result-display .result-item.total .result-label,
.result-display .result-item.total .result-value {
  color: var(--primary-foreground);
}

.result-display hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 1rem 0;
}

.result-display .error {
  color: hsl(0, 70%, 50%);
  font-size: 0.875rem;
  text-align: center;
  padding: 0.5rem;
}

.dark .result-display .error {
  color: hsl(0, 70%, 60%);
}

.result-display .result-section-title {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--foreground);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.calc-detail {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
}

.calc-detail:last-of-type {
  border-bottom: none;
}

.calc-formula {
  font-size: 0.9375rem;
  color: var(--foreground);
  word-break: break-all;
}

.calc-equals {
  font-size: 1rem;
  color: var(--muted-foreground);
}

.calc-value {
  font-size: 0.9375rem;
  color: var(--foreground);
  white-space: nowrap;
}

.calc-value strong {
  color: var(--primary);
}

.calc-detail.total {
  background: var(--primary);
  margin-top: 0.75rem;
  padding: 0.75rem;
  border-radius: var(--radius);
  border-bottom: none;
}

.calc-subheader {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--foreground);
  padding: 0.75rem 0 0.5rem;
  border-top: 1px solid var(--border);
  margin-top: 0.5rem;
}

.calc-detail.total .calc-formula {
  color: var(--primary-foreground);
  font-weight: 600;
}

.calc-detail.total .calc-value {
  color: var(--primary-foreground);
}

.calc-detail.total .calc-value strong {
  color: var(--primary-foreground);
}

.calc-detail .calc-label {
  font-size: 0.9375rem;
  color: var(--foreground);
  word-break: break-all;
  margin-bottom: 0.25rem;
}

.calc-detail .calc-equals {
  font-size: 1rem;
  color: var(--muted-foreground);
}

.calc-detail.total .calc-label {
  color: var(--primary-foreground);
  font-weight: 600;
}

@media (max-width: 1024px) {
  .calculator-card {
    grid-template-columns: 1fr !important;
  }
  
  .calc-results {
    border-top: 1px solid var(--border);
    padding-top: 1rem;
  }
  
  .result-display {
    border: none;
    background: transparent;
    padding: 0;
  }
}

@media (max-width: 600px) {
  .log-equation {
    padding: 1rem;
    gap: 0.375rem;
  }
  
  .log-equation .log-text,
  .log-equals {
    font-size: 1.25rem;
  }
  
  .log-equation .number-input {
    width: 90px;
    padding: 0.5rem;
    font-size: 1rem;
  }
  
  .log-equation #argumentInput,
  .log-equation #resultInput {
    width: 100px;
  }
  
  .related-tools-inline {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
  
  .result-display .result-grid {
    grid-template-columns: 1fr;
  }
  
  .calc-detail {
    flex-wrap: wrap;
  }
  
  .calc-formula {
    width: 100%;
    font-size: 0.875rem;
  }
  
  .calc-equals {
    display: none;
  }
  
  .calc-value {
    width: 100%;
    padding-left: 0;
  }
}

.content-image {
  margin: 1.5rem 0;
  text-align: center;
}

.content-image img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.image-placeholder {
  display: -webkit-box;
  display: -webkit-flex;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -webkit-flex-direction: column;
  -webkit-box-align: center;
  -webkit-align-items: center;
  -webkit-box-pack: center;
  -webkit-justify-content: center;
  justify-content: center;
  width: 100%;
  max-width: 400px;
  min-height: 150px;
  padding: 2rem;
  background: linear-gradient(135deg, var(--muted) 0%, var(--card) 100%);
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  margin: 0 auto;
}

.image-placeholder .placeholder-icon {
  color: var(--muted-foreground);
  margin-bottom: 0.75rem;
  opacity: 0.5;
}

.image-placeholder .placeholder-text {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  text-align: center;
  font-style: italic;
}

/* Factor Tree Display */
.factor-tree-display {
  background: var(--secondary);
  color: var(--foreground);
  padding: 1rem;
  border-radius: var(--radius);
  font-family: monospace;
  font-size: 0.875rem;
  line-height: 1.5;
  overflow-x: auto;
  white-space: pre;
  margin: 0.5rem 0;
}

.dark .factor-tree-display {
  background: var(--secondary);
  color: var(--foreground);
}

.result-subsection-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--foreground);
  margin: 1rem 0 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.result-section {
  padding: 0.5rem 0;
}

.factor-tree-container {
  background: var(--secondary);
  padding: 1rem;
  border-radius: var(--radius);
  font-family: monospace;
  font-size: 0.875rem;
}

/* Matrix Calculator Styles */
.matrix-calc-card {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  align-items: flex-start;
}

.matrix-section {
  flex: 1;
  min-width: 280px;
  padding: 1rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.matrix-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--foreground);
  margin-bottom: 1rem;
}

.matrix-dimensions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.dimension-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.dimension-group label {
  font-size: 0.75rem;
  color: var(--muted-foreground);
  text-transform: uppercase;
}

.matrix-select {
  width: 50px;
  padding: 0.375rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
  color: var(--foreground);
  font-size: 0.875rem;
  text-align: center;
  cursor: pointer;
}

.matrix-select:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.dimension-x {
  font-size: 1rem;
  color: var(--muted-foreground);
  margin-top: 1rem;
}

.matrix-grid {
  display: grid;
  gap: 0.25rem;
  margin-bottom: 1rem;
  overflow-x: auto;
}

.matrix-input {
  width: 50px;
  padding: 0.375rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
  color: var(--foreground);
  font-size: 0.75rem;
  text-align: center;
}

.matrix-grid {
  display: grid;
  gap: 0.25rem;
  margin-bottom: 1rem;
  overflow-x: auto;
  padding: 0.5rem 0;
}

.matrix-input {
  width: 40px;
  min-width: 35px;
  padding: 0.25rem;
  font-size: 0.625rem;
  height: 28px;
}

.result-grid {
  display: grid;
  gap: 0.25rem;
  overflow-x: auto;
  padding: 0.5rem 0;
}

.result-matrix-value {
  width: 40px;
  min-width: 35px;
  padding: 0.25rem;
  font-size: 0.625rem;
  height: 28px;
}

.matrix-input:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.matrix-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  margin-bottom: 0.75rem;
}

.matrix-btn {
  padding: 0.375rem 0.625rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--secondary);
  color: var(--foreground);
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.2s;
}

.matrix-btn:hover {
  background: var(--border);
}

.matrix-btn.primary {
  background: var(--primary);
  color: var(--primary-foreground);
  border-color: var(--primary);
}

.matrix-btn.primary:hover {
  opacity: 0.9;
}

.power-input {
  width: 50px;
  padding: 0.25rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
  color: var(--foreground);
  font-size: 0.75rem;
  text-align: center;
  margin-left: 0.25rem;
}

.matrix-operations {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.75rem 0;
}

.operation-btn {
  padding: 0.5rem 1rem;
  border: 1px solid var(--primary);
  border-radius: var(--radius);
  background: var(--primary);
  color: var(--primary-foreground);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.operation-btn:hover {
  opacity: 0.9;
}

.result-card {
  width: 100%;
  margin-top: 1rem;
}

.result-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--foreground);
  margin-bottom: 0.5rem;
  white-space: pre;
  font-family: monospace;
  line-height: 1.4;
}

.result-dimensions {
  font-size: 0.75rem;
  color: var(--muted-foreground);
  margin-bottom: 0.75rem;
}

.result-grid {
  display: grid;
  gap: 0.375rem;
  margin-bottom: 0.5rem;
  overflow-x: auto;
}

.result-matrix-value {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  padding: 0.5rem;
  background: var(--secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--foreground);
  font-size: 0.875rem;
}

.result-value {
  padding: 0.5rem 0;
}

.determinant-value {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--primary);
}

.error-message {
  color: #dc2626;
  background: #fef2f2;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  border: 1px solid #dc2626;
  display: block;
}

.dark .error-message {
  background: #450a0a;
  color: #fca5a5;
  border-color: #7f1d1d;
}

/* Time Calculator Styles */
.time-calculator .calculator-card {
  margin-bottom: 1.5rem;
}

.time-calculator .calc-section {
  margin-bottom: 0.75rem;
  margin-top: 1.5rem;
}

.time-calculator .calc-section:first-of-type {
  margin-top: 0;
}

.time-calculator .calc-section-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--foreground);
  margin: 0 0 0.25rem 0;
}

.time-calculator .calc-section-desc {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  margin: 0;
}

.time-calculator .calculator-card.simple-calc {
  grid-template-columns: 1fr 1fr;
}

.time-input-section {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.time-input-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.375rem;
}

.time-input-group {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.time-input-group label {
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--muted-foreground);
  text-align: center;
}

.time-input-group .number-input {
  padding: 0.375rem 0.25rem;
  font-size: 0.875rem;
  text-align: center;
  width: 100%;
}

.result-input {
  background: var(--secondary) !important;
  color: var(--foreground);
  cursor: default;
  font-weight: 600;
}

.result-input:focus {
  outline: none;
  box-shadow: none;
}

.time-operation {
  display: flex;
  justify-content: center;
  gap: 1rem;
  padding: 0.375rem 0;
}

.radio-container {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
}

.radio-container input[type="radio"] {
  display: none;
}

.radio-mark {
  width: 16px;
  height: 16px;
  border: 2px solid var(--border);
  border-radius: 50%;
  position: relative;
  transition: all 0.2s ease;
}

.radio-container input[type="radio"]:checked + .radio-mark {
  border-color: var(--primary);
}

.radio-container input[type="radio"]:checked + .radio-mark::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 7px;
  height: 7px;
  background: var(--primary);
  border-radius: 50%;
}

.dark .radio-mark {
  border-color: var(--border);
}

/* Date Input Section */
.date-input-section {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.date-input {
  padding: 0.375rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.875rem;
  background: var(--card);
  color: var(--foreground);
  width: 100%;
}

.date-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.1);
}

.time-of-day-input {
  padding: 0.25rem 0;
}

.time-input-row {
  display: flex;
  align-items: flex-end;
  gap: 0.25rem;
  flex-wrap: wrap;
}

.time-col {
  flex: 1;
  min-width: 50px;
}

.time-col .number-input {
  padding: 0.375rem 0.25rem;
  text-align: center;
  font-size: 0.875rem;
  width: 100%;
}

.time-colon {
  font-size: 1rem;
  font-weight: 600;
  color: var(--foreground);
  padding-bottom: 0.25rem;
}

.ampm-col {
  min-width: 65px;
}

.ampm-col .select-input {
  padding: 0.375rem 0.25rem;
  font-size: 0.8125rem;
  width: 100%;
}

.now-btn {
  padding: 0.375rem 0.5rem;
  background: var(--secondary);
  color: var(--foreground);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.8125rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.now-btn:hover {
  background: var(--primary);
  color: var(--primary-foreground);
  border-color: var(--primary);
}

.duration-grid {
  margin-top: 0.25rem;
}

/* Expression Calculator */
.textarea-input {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-family: monospace;
  background: var(--card);
  color: var(--foreground);
  resize: vertical;
  min-height: 60px;
  line-height: 1.4;
}

.textarea-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.1);
}

.dark .textarea-input {
  background: var(--card);
}

/* Result Grid for Time */
.result-grid {
  grid-template-columns: repeat(4, 1fr);
  gap: 0.25rem;
}

/* Info Table */
.info-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: 0.9375rem;
}

.info-table th,
.info-table td {
  padding: 0.625rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.info-table th {
  background: var(--secondary);
  font-weight: 600;
  color: var(--foreground);
}

.info-table td {
  color: var(--foreground);
}

.info-table tr:hover td {
  background: var(--secondary);
}

.dark .info-table th {
  background: var(--secondary);
}

/* Dark mode styles */
.dark .time-input-group label {
  color: var(--muted-foreground);
}

.dark .date-input {
  background: var(--card);
  border-color: var(--border);
  color: var(--foreground);
}

.dark .result-input {
  background: var(--secondary) !important;
  color: var(--foreground);
}

.dark .now-btn {
  background: var(--secondary);
  border-color: var(--border);
  color: var(--foreground);
}

.dark .now-btn:hover {
  background: var(--primary);
  color: var(--primary-foreground);
}

.dark .textarea-input {
  border-color: var(--border);
  color: var(--foreground);
}

.dark .time-colon {
  color: var(--foreground);
}

.dark .info-table td {
  border-color: var(--border);
}

.dark .result-formats {
  border-color: var(--border);
}

.dark .result-format-row {
  color: var(--foreground);
}

.dark .result-format-row .format-label {
  color: var(--muted-foreground);
}

/* Time Calculator compact form groups */
.time-calculator .form-group {
  margin-bottom: 0.5rem;
}

.time-calculator .form-group label {
  font-size: 0.75rem;
  font-weight: 500;
  margin-bottom: 0.25rem;
  display: block;
}

.time-calculator .result-row {
  display: flex;
  justify-content: space-between;
  padding: 0.375rem 0;
  border-bottom: 1px solid var(--border);
}

.time-calculator .result-row:last-child {
  border-bottom: none;
}

.time-calculator .result-label {
  font-size: 0.8125rem;
  color: var(--muted-foreground);
}

.time-calculator .result-value {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--foreground);
}

.time-calculator .result-formats {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
}

.time-calculator .result-format-row {
  font-size: 0.8125rem;
  color: var(--foreground);
  padding: 0.25rem 0;
  font-family: monospace;
}

.time-calculator .result-format-row .format-label {
  color: var(--muted-foreground);
  margin-right: 0.5rem;
}

.time-calculator .input-hint {
  font-size: 0.8125rem;
  color: var(--muted-foreground);
  margin-bottom: 0.5rem;
}

.time-calculator .date-input-section {
  gap: 0.5rem;
}

.time-calculator .date-input {
  font-size: 0.875rem;
  padding: 0.375rem 0.5rem;
}

@media (max-width: 768px) {
  .time-calculator .date-input-section {
    gap: 0.375rem;
  }
  
  .time-calculator .date-input {
    font-size: 0.8125rem;
  }
  
  .time-calculator .form-group {
    margin-bottom: 0.375rem;
  }
}

/* Compact action buttons for time calculator */
.time-calculator .action-buttons {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.time-calculator .action-btn {
  padding: 0.5rem 1rem;
  font-size: 0.8125rem;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
}

.time-calculator .action-btn.primary {
  background: var(--primary);
  color: var(--primary-foreground);
}

.time-calculator .action-btn.primary:hover {
  opacity: 0.9;
}

.time-calculator .action-btn.secondary {
  background: var(--secondary);
  color: var(--foreground);
  border: 1px solid var(--border);
}

.time-calculator .action-btn.secondary:hover {
  background: var(--border);
}

/* Mobile Responsive for Time Calculator */
@media (max-width: 768px) {
  .time-calculator .calculator-card.simple-calc {
    width: 100%;
    max-width: 100%;
    padding: 0.5rem;
  }
  
  .time-calculator .calc-form,
  .time-calculator .calc-results {
    width: 100%;
    max-width: 100%;
  }
  
  .time-calculator .calc-section {
    margin-top: 0.75rem;
    margin-bottom: 0.5rem;
  }
  
  .time-calculator .calc-section-title {
    font-size: 0.9375rem;
    margin-bottom: 0.125rem;
  }
  
  .time-calculator .calc-section-desc {
    font-size: 0.6875rem;
    margin-bottom: 0.375rem;
  }
  
  .time-input-section {
    gap: 0.5rem;
  }
  
  .time-input-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.25rem;
    width: 100%;
    max-width: 100%;
  }
  
  .time-input-group {
    min-width: 0;
    max-width: 100%;
  }
  
  .time-input-group .number-input {
    width: 100%;
    font-size: 0.8125rem;
    padding: 0.375rem 0.25rem;
    text-align: center;
  }
  
  .time-input-group label {
    font-size: 0.6875rem;
    text-align: center;
  }
  
  .result-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.25rem;
    width: 100%;
    max-width: 100%;
  }
  
  .result-input {
    width: 100%;
    font-size: 0.8125rem;
    text-align: center;
  }
  
  .time-operation {
    gap: 0.5rem;
    padding: 0.375rem 0;
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .radio-container {
    font-size: 0.8125rem;
    gap: 0.375rem;
  }
  
  .radio-mark {
    width: 14px;
    height: 14px;
  }
  
  .radio-container input[type="radio"]:checked + .radio-mark::after {
    width: 6px;
    height: 6px;
  }
  
  .time-input-row {
    flex-wrap: wrap;
    gap: 0.25rem;
    width: 100%;
  }
  
  .time-col {
    min-width: 0;
    flex: 1;
  }
  
  .time-col .number-input {
    width: 100%;
    font-size: 0.75rem;
    padding: 0.3125rem 0.125rem;
  }
  
  .time-col label {
    font-size: 0.625rem;
  }
  
  .time-colon {
    display: none;
  }
  
  .ampm-col {
    flex: 1;
    min-width: 50px;
  }
  
  .ampm-col .select-input {
    width: 100%;
    font-size: 0.75rem;
    padding: 0.3125rem;
  }
  
  .now-btn {
    padding: 0.375rem 0.5rem;
    font-size: 0.75rem;
  }
  
  .date-input-section {
    gap: 0.5rem;
  }
  
  .date-input {
    width: 100%;
    font-size: 0.8125rem;
    padding: 0.375rem;
  }
  
  .textarea-input {
    width: 100%;
    font-size: 0.8125rem;
    min-height: 50px;
    padding: 0.375rem;
  }
  
  .info-table {
    width: 100%;
    font-size: 0.75rem;
  }
  
  .info-table th,
  .info-table td {
    padding: 0.3125rem;
    font-size: 0.6875rem;
  }
  
  .time-calculator .action-buttons {
    margin-top: 0.5rem;
    gap: 0.375rem;
  }
  
  .time-calculator .action-btn {
    font-size: 0.8125rem;
    padding: 0.5rem 0.75rem;
  }
  
  .result-formats {
    width: 100%;
  }
  
  .result-format-row {
    font-size: 0.6875rem;
    padding: 0.1875rem 0;
    word-wrap: break-word;
    word-break: break-all;
  }
  
  .result-row {
    padding: 0.375rem 0;
  }
  
  .result-label {
    font-size: 0.75rem;
  }
  
  .result-value {
    font-size: 0.75rem;
  }
}

/* Mobile Responsive for Time Calculator - Small Screens */
@media (max-width: 480px) {
  .time-calculator .calculator-card.simple-calc {
    padding: 0.5rem;
  }
  
  .time-calculator .calc-section {
    margin-top: 0.5rem;
    margin-bottom: 0.5rem;
  }
  
  .time-calculator .calc-section-title {
    font-size: 0.9375rem;
  }
  
  .time-calculator .calc-section-desc {
    font-size: 0.75rem;
  }
  
  .time-input-grid {
    gap: 0.1875rem;
  }
  
  .time-input-group .number-input {
    padding: 0.3125rem 0.125rem;
    font-size: 0.75rem;
  }
  
  .time-input-group label {
    font-size: 0.625rem;
  }
  
  .result-grid {
    gap: 0.1875rem;
  }
  
  .result-input {
    font-size: 0.75rem;
  }
  
  .result-format-row {
    font-size: 0.625rem;
  }
  
  .radio-container {
    font-size: 0.75rem;
    gap: 0.25rem;
  }
  
  .radio-mark {
    width: 12px;
    height: 12px;
  }
  
  .radio-container input[type="radio"]:checked + .radio-mark::after {
    width: 5px;
    height: 5px;
  }
  
  .time-operation {
    gap: 0.25rem;
    padding: 0.25rem 0;
  }
  
  .time-calculator .action-buttons {
    margin-top: 0.375rem;
    gap: 0.25rem;
  }
  
  .time-calculator .action-btn {
    padding: 0.4375rem 0.5rem;
    font-size: 0.75rem;
  }
  
  .textarea-input {
    font-size: 0.75rem;
    min-height: 40px;
    padding: 0.25rem;
  }
  
  .date-input-section {
    gap: 0.375rem;
  }
  
  .date-input {
    font-size: 0.75rem;
    padding: 0.25rem;
  }
  
  .time-col .number-input {
    font-size: 0.625rem;
    padding: 0.25rem 0.0625rem;
  }
  
  .time-col label {
    font-size: 0.5rem;
  }
  
  .now-btn {
    padding: 0.3125rem 0.4375rem;
    font-size: 0.625rem;
  }
  
  .ampm-col .select-input {
    font-size: 0.625rem;
    padding: 0.25rem;
  }
  
  .info-table {
    font-size: 0.625rem;
  }
  
  .info-table th,
  .info-table td {
    padding: 0.1875rem;
    font-size: 0.5625rem;
  }
  
  .result-row {
    padding: 0.25rem 0;
  }
  
  .result-label,
  .result-value {
    font-size: 0.6875rem;
  }
}

@media (max-width: 768px) {
  .matrix-calc-card {
    flex-direction: column;
    padding: 0.75rem;
  }
  
  .matrix-section {
    width: 100%;
    padding: 0.75rem;
    margin-bottom: 0.5rem;
  }
  
  .matrix-title {
    font-size: 1rem;
    margin-bottom: 0.5rem;
  }
  
  .matrix-dimensions {
    gap: 0.5rem;
    margin-bottom: 0.75rem;
  }
  
  .matrix-grid {
    justify-content: flex-start;
    padding: 0.5rem 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  .matrix-input {
    width: 40px;
    min-width: 38px;
    height: 36px;
    font-size: 0.875rem;
    padding: 0.25rem;
  }
  
  .matrix-select {
    width: 50px;
    padding: 0.375rem;
    font-size: 0.875rem;
  }
  
  .dimension-group {
    gap: 0.25rem;
  }
  
  .dimension-group label {
    font-size: 0.75rem;
  }
  
  .dimension-x {
    font-size: 1rem;
    margin-top: 1rem;
  }
  
  .matrix-btn {
    padding: 0.5rem 0.625rem;
    font-size: 0.75rem;
    border-radius: 0.375rem;
  }
  
  .matrix-actions {
    gap: 0.375rem;
    margin-bottom: 0.75rem;
    flex-wrap: wrap;
  }
  
  .matrix-btn.primary {
    padding: 0.5rem 0.5rem;
  }
  
  .power-input {
    width: 40px;
    padding: 0.25rem;
    font-size: 0.75rem;
    margin-left: 0.25rem;
  }
  
  .matrix-operations {
    width: 100%;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 0.75rem 0;
  }
  
  .operation-btn {
    flex: 1;
    min-width: calc(45% - 0.375rem);
    text-align: center;
    padding: 0.625rem 0.5rem;
    font-size: 0.875rem;
    border-radius: 0.375rem;
    height: auto;
    min-height: 40px;
  }
  
  .result-card {
    width: 100%;
    margin-top: 0.75rem;
    padding: 0.75rem;
  }
  
  .result-grid {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding: 0.5rem 0;
  }
  
  .result-matrix-value {
    width: 40px;
    min-width: 38px;
    height: 36px;
    font-size: 0.875rem;
    padding: 0.25rem;
  }
  
  .result-dimensions {
    font-size: 0.75rem;
  }
  
  .result-title {
    font-size: 1rem;
    white-space: pre;
    font-family: monospace;
    line-height: 1.4;
  }
  
  .result-value {
    padding: 0.375rem 0;
  }
  
  .determinant-value {
    font-size: 1.5rem;
  }
}

/* Horsepower Calculator Styles */
.horsepower-calculator .simple-calc .calc-form,
.horsepower-calculator .simple-calc .calc-results {
  padding: 1rem;
}

.horsepower-calculator .simple-calc .result-row {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.horsepower-calculator .simple-calc .result-row:last-child {
  border-bottom: none;
}

.horsepower-calculator .simple-calc .result-label {
  color: var(--foreground);
}

.horsepower-calculator .simple-calc .result-value {
  font-weight: 600;
  color: var(--primary);
}

/* Stair Calculator Styles */
.stair-calculator .simple-calc .calc-form,
.stair-calculator .simple-calc .calc-results {
  padding: 1rem;
}

.stair-calculator .simple-calc .result-row {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.stair-calculator .simple-calc .result-row:last-child {
  border-bottom: none;
}

.stair-calculator .simple-calc .result-label {
  color: var(--foreground);
}

.stair-calculator .simple-calc .result-value {
  font-weight: 600;
  color: var(--primary);
}

.stair-calculator .toggle-buttons {
  display: flex;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.stair-calculator .toggle-btn {
  flex: 1;
  padding: 0.5rem 1rem;
  border: none;
  background: var(--secondary);
  color: var(--foreground);
  cursor: pointer;
  font-size: 0.875rem;
  transition: background-color 0.2s;
}

.stair-calculator .toggle-btn:first-child {
  border-right: 1px solid var(--border);
}

.stair-calculator .toggle-btn.active {
  background: var(--primary);
  color: var(--primary-foreground);
}

.stair-calculator .radio-options {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.stair-calculator .radio-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  font-size: 0.875rem;
}

.stair-calculator .radio-btn input {
  cursor: pointer;
}

.stair-calculator .stair-result-grid {
  margin: 0.5rem 0 1rem 0;
  padding: 0.75rem;
  background: var(--secondary);
  border-radius: var(--radius);
}

.stair-calculator .stair-result-item {
  display: flex;
  justify-content: space-between;
  padding: 0.35rem 0.5rem;
  border-bottom: 1px solid var(--border);
}

.stair-calculator .stair-result-item:last-child {
  border-bottom: none;
}

.stair-calculator .stair-label {
  color: var(--foreground);
  font-size: 0.875rem;
}

.stair-calculator .stair-value {
  font-weight: 600;
  color: var(--primary);
  font-size: 0.875rem;
  text-align: right;
}

.stair-calculator .stair-result-grid > p {
  margin: 0.75rem 0 0.5rem 0;
  font-size: 0.875rem;
}

.stair-calculator .stair-result-grid > p:first-child {
  margin-top: 0;
}

.stair-calculator #basicResultTable > p strong,
.stair-calculator #compResultTable > p strong {
  display: block;
}

/* Molecular Weight Calculator */
.molecular-weight-calculator .infull {
  width: 100%;
  padding: 0.625rem 0.75rem;
  font-size: 0.9375rem;
  font-family: inherit;
  border: 1px solid var(--input);
  border-radius: calc(var(--radius) - 0.25rem);
  background: var(--background);
  color: var(--foreground);
}

.molecular-weight-calculator .infull:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.molecular-weight-calculator .calc-form select.infull {
  cursor: pointer;
}

.molecular-weight-calculator .calc-form optgroup {
  font-weight: 600;
  color: var(--foreground);
}

.molecular-weight-calculator .calc-form option {
  font-weight: 400;
  color: var(--foreground);
}

/* Molecular Weight Chart Styles */
.molecular-weight-calculator .result-chart-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 1rem 0;
}

.molecular-weight-calculator .chart-wrapper {
  position: relative;
  height: 200px;
  background: var(--secondary);
  border-radius: var(--radius);
  padding: 0.75rem;
}

.molecular-weight-calculator .chart-wrapper canvas {
  max-width: 100%;
  max-height: 100%;
}

.molecular-weight-calculator .chart-title {
  font-size: 0.75rem;
  font-weight: 600;
  text-align: center;
  color: var(--muted-foreground);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 0.5rem;
}

@media (max-width: 600px) {
  .molecular-weight-calculator .result-chart-container {
    grid-template-columns: 1fr;
  }
  
  .molecular-weight-calculator .chart-wrapper {
    height: 180px;
  }
  
  .molecular-weight-calculator .periodic-table-section {
    margin-top: 1.5rem;
    padding: 1rem;
  }
  
  .molecular-weight-calculator .periodic-table-wrapper {
    max-height: 300px;
    margin-top: 0.75rem;
    margin-left: -1rem;
    margin-right: -1rem;
    border-radius: 0;
    border-left: none;
    border-right: none;
  }
  
  .molecular-weight-calculator .periodic-table {
    font-size: 0.75rem;
    min-width: 500px;
  }
  
  .molecular-weight-calculator .periodic-table th,
  .molecular-weight-calculator .periodic-table td {
    padding: 0.3125rem 0.5rem;
  }
  
  .molecular-weight-calculator .periodic-table-section h2 {
    font-size: 1.125rem;
  }
  
  .molecular-weight-calculator .periodic-table-section > p {
    font-size: 0.875rem;
  }
}

/* Composition Result Table */
.molecular-weight-calculator .composition-result {
  margin-top: 1.5rem;
  overflow-x: auto;
}

.molecular-weight-calculator .composition-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.molecular-weight-calculator .composition-table th,
.molecular-weight-calculator .composition-table td {
  padding: 0.5rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.molecular-weight-calculator .composition-table th {
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--muted-foreground);
  background: var(--secondary);
}

.molecular-weight-calculator .composition-table td:nth-child(1) {
  font-weight: 500;
}

.molecular-weight-calculator .composition-table td:nth-child(2) {
  text-align: center;
}

.molecular-weight-calculator .composition-table td:nth-child(3),
.molecular-weight-calculator .composition-table td:nth-child(4) {
  text-align: right;
  font-family: monospace;
}

.molecular-weight-calculator .composition-table tbody tr:hover {
  background: var(--secondary);
}

.molecular-weight-calculator .composition-table tfoot td {
  font-weight: 700;
  border-top: 2px solid var(--primary);
  border-bottom: none;
  background: var(--secondary);
}

.molecular-weight-calculator .composition-table tfoot td:nth-child(1) {
  font-weight: 700;
}

.molecular-weight-calculator .composition-table tfoot td:nth-child(2) {
  text-align: center;
}

.molecular-weight-calculator .composition-table tfoot td:nth-child(3),
.molecular-weight-calculator .composition-table tfoot td:nth-child(4) {
  color: var(--primary);
}

.molecular-weight-calculator .percentage {
  color: var(--muted-foreground);
  font-weight: 400;
  font-size: 0.8125rem;
}

/* Periodic Table Section */
.molecular-weight-calculator .periodic-table-section {
  margin-top: 2rem;
  padding: 1.5rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.molecular-weight-calculator .periodic-table-wrapper {
  overflow-x: auto;
  max-height: 400px;
  overflow-y: auto;
  margin-top: 1rem;
  border-radius: var(--radius);
  background: var(--background);
  border: 1px solid var(--border);
}

.molecular-weight-calculator .periodic-table {
  width: 100%;
  min-width: 600px;
  border-collapse: collapse;
  font-size: 0.8125rem;
}

.molecular-weight-calculator .periodic-table th,
.molecular-weight-calculator .periodic-table td {
  padding: 0.375rem 0.625rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.molecular-weight-calculator .periodic-table th {
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--foreground);
  background: var(--secondary);
  position: sticky;
  top: 0;
  z-index: 1;
}

.molecular-weight-calculator .periodic-table td {
  color: var(--muted-foreground);
}

.molecular-weight-calculator .periodic-table td:nth-child(1),
.molecular-weight-calculator .periodic-table td:nth-child(4) {
  text-align: center;
}

.molecular-weight-calculator .periodic-table td:nth-child(2) {
  font-weight: 600;
  color: var(--primary);
}

.molecular-weight-calculator .scroll-hint {
  display: none;
  text-align: center;
  font-size: 0.6875rem;
  color: var(--muted-foreground);
  padding: 0.5rem;
  background: var(--secondary);
  border-top: 1px solid var(--border);
}

.molecular-weight-calculator .scroll-hint::before {
  content: "← ";
}

.molecular-weight-calculator .scroll-hint::after {
  content: " →";
}

@media (max-width: 600px) {
  .molecular-weight-calculator .result-chart-container {
    grid-template-columns: 1fr;
  }
  
  .molecular-weight-calculator .chart-wrapper {
    height: 180px;
  }
  
  .molecular-weight-calculator .periodic-table-section {
    margin-top: 1.5rem;
    padding: 1rem;
  }
  
  .molecular-weight-calculator .periodic-table-wrapper {
    max-height: 300px;
    margin-top: 0.75rem;
    margin-left: -1rem;
    margin-right: -1rem;
    border-radius: 0;
    border-left: none;
    border-right: none;
  }
  
  .molecular-weight-calculator .periodic-table {
    font-size: 0.75rem;
    min-width: 500px;
  }
  
  .molecular-weight-calculator .periodic-table th,
  .molecular-weight-calculator .periodic-table td {
    padding: 0.3125rem 0.5rem;
  }
  
  .molecular-weight-calculator .periodic-table-section h2 {
    font-size: 1.125rem;
  }
  
  .molecular-weight-calculator .periodic-table-section > p {
    font-size: 0.875rem;
  }
}

@media (max-width: 480px) {
  .molecular-weight-calculator .periodic-table-wrapper {
    max-height: 250px;
  }
  
  .molecular-weight-calculator .periodic-table {
    font-size: 0.6875rem;
    min-width: 450px;
  }
  
  .molecular-weight-calculator .periodic-table th,
  .molecular-weight-calculator .periodic-table td {
    padding: 0.25rem 0.375rem;
  }
}

@media (max-width: 600px) {
  .molecular-weight-calculator .result-chart-container {
    grid-template-columns: 1fr;
  }
  
  .molecular-weight-calculator .chart-wrapper {
    height: 180px;
  }
  
  .molecular-weight-calculator .periodic-table-section {
    margin-top: 1.5rem;
    padding: 1rem;
  }
  
  .molecular-weight-calculator .periodic-table-wrapper {
    max-height: 300px;
    margin-top: 0.75rem;
    margin-left: -1rem;
    margin-right: -1rem;
    border-radius: 0;
    border-left: none;
    border-right: none;
  }
  
  .molecular-weight-calculator .periodic-table {
    font-size: 0.75rem;
    min-width: 500px;
  }
  
.molecular-weight-calculator .periodic-table th,
  .molecular-weight-calculator .periodic-table td {
    padding: 0.3125rem 0.5rem;
  }
  
  .molecular-weight-calculator .periodic-table-section h2 {
    font-size: 1.125rem;
  }
  
  .molecular-weight-calculator .periodic-table-section > p {
    font-size: 0.875rem;
  }
}
   
  .molecular-weight-calculator .periodic-table {
    font-size: 0.6875rem;
    min-width: 450px;
  }
  
  .molecular-weight-calculator .periodic-table th,
  .molecular-weight-calculator .periodic-table td {
    padding: 0.25rem 0.375rem;
  }
}

/* Golf Handicap Calculator */
.golf-handicap-calculator .score-table-container {
  overflow-x: auto;
  margin-bottom: 1rem;
}

.golf-handicap-calculator .score-table {
  width: 100%;
  min-width: 500px;
  border-collapse: collapse;
  font-size: 0.75rem;
}

.golf-handicap-calculator .score-table thead th {
  background: var(--card);
  padding: 0.5rem 0.25rem;
  text-align: center;
  font-weight: 600;
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
  font-size: 0.7rem;
}

.golf-handicap-calculator .score-table .col-rating,
.golf-handicap-calculator .score-table .col-slope {
  min-width: 55px;
}

.golf-handicap-calculator .score-table .col-18,
.golf-handicap-calculator .score-table .col-9 {
  min-width: 60px;
}

.golf-handicap-calculator .score-table .col-pca {
  min-width: 55px;
}

.golf-handicap-calculator .score-table tbody tr {
  border-bottom: 1px solid var(--border);
}

.golf-handicap-calculator .score-table tbody tr:nth-child(even) {
  background: var(--card);
}

.golf-handicap-calculator .score-table tbody tr:hover {
  background: var(--hover);
}

.golf-handicap-calculator .score-table td {
  padding: 0.25rem;
  text-align: center;
}

.golf-handicap-calculator .score-table .row-header {
  font-weight: 500;
  text-align: left;
  white-space: nowrap;
  padding-left: 0.5rem;
  font-size: 0.7rem;
}

.golf-handicap-calculator .score-input {
  width: 100%;
  min-width: 50px;
  padding: 0.25rem 0.25rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.75rem;
  text-align: center;
  background: var(--card);
  color: var(--foreground);
}

.golf-handicap-calculator .score-input:focus {
  outline: 2px solid var(--primary);
  outline-offset: 1px;
}

.golf-handicap-calculator .score-input::placeholder {
  color: var(--muted-foreground);
  opacity: 0.6;
}

.golf-handicap-calculator .remove-row {
  width: 28px;
  height: 28px;
  padding: 0;
  border: none;
  border-radius: var(--radius);
  background: transparent;
  color: var(--muted-foreground);
  font-size: 1.25rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.golf-handicap-calculator .remove-row:hover {
  background: var(--destructive);
  color: white;
}

.golf-handicap-calculator .result-section {
  margin-top: 1.5rem;
}

.golf-handicap-calculator .result-section-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--foreground);
}

.golf-handicap-calculator .result-table {
  width: 100%;
  min-width: auto;
  border-collapse: collapse;
  font-size: 0.75rem;
}

.golf-handicap-calculator .result-section {
  overflow-x: hidden;
}

.golf-handicap-calculator .result-table th,
.golf-handicap-calculator .result-table td {
  padding: 0.375rem 0.5rem;
  text-align: center;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.golf-handicap-calculator .result-table th {
  background: var(--card);
  font-weight: 600;
}

.golf-handicap-calculator .result-table tbody tr:hover {
  background: var(--hover);
}

.golf-handicap-calculator .result-table tbody tr:first-child {
  background: var(--primary);
  color: white;
}

.golf-handicap-calculator .result-table tbody tr:first-child td {
  font-weight: 600;
}

@media (max-width: 768px) {
  .golf-handicap-calculator .score-table {
    min-width: 350px;
    font-size: 0.7rem;
  }
  
  .golf-handicap-calculator .score-table thead th {
    padding: 0.375rem 0.125rem;
    font-size: 0.55rem;
  }
  
  .golf-handicap-calculator .score-table td {
    padding: 0.125rem;
  }
  
  .golf-handicap-calculator .score-table .row-header {
    font-size: 0.55rem;
    padding-left: 0.25rem;
  }
  
.golf-handicap-calculator .score-input {
  padding: 0.25rem 0.25rem;
  font-size: 0.75rem;
  min-width: 50px;
}

/* Tire Size Calculator */
.tire-size-calculator .input-with-suffix {
  display: flex;
  align-items: center;
}

.tire-size-calculator .input-with-suffix input {
  border-right: none;
  border-radius: var(--radius) 0 0 var(--radius);
  flex: 1;
}

.tire-size-calculator .input-with-suffix .input-suffix {
  background: var(--muted);
  color: var(--muted-foreground);
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-left: none;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 0.875rem;
}

.tire-size-calculator .radio-group {
  margin-bottom: 1rem;
}

.tire-size-calculator .radio-group label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.tire-size-calculator .radio-options {
  display: flex;
  gap: 1rem;
}

.tire-size-calculator .radio-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
}

.tire-size-calculator .radio-label input[type="radio"] {
  width: auto;
  margin: 0;
}

.tire-size-calculator .tire-code-input {
  display: flex;
  align-items: center;
  gap: 0;
}

.tire-size-calculator .tire-code-input input {
  width: 100%;
  padding: 0.5rem 0.375rem;
  border: 1px solid var(--border);
  border-radius: 0;
  text-align: center;
  font-size: 0.875rem;
}

.tire-size-calculator .tire-code-input input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px var(--primary);
}

.tire-size-calculator .input-prefix input {
  width: 40px;
  max-width: 40px;
  border-radius: var(--radius) 0 0 var(--radius);
  text-align: left;
}

.tire-size-calculator .input-width input {
  width: 60px;
  max-width: 60px;
}

.tire-size-calculator .input-slash {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  font-weight: 600;
  color: var(--muted-foreground);
  background: var(--muted);
  border: 1px solid var(--border);
  border-left: none;
  border-right: none;
}

.tire-size-calculator .input-aspect input {
  width: 50px;
  max-width: 50px;
}

.tire-size-calculator .input-construction input {
  width: 40px;
  max-width: 40px;
}

.tire-size-calculator .input-wheel input {
  width: 50px;
  max-width: 50px;
  border-radius: 0 var(--radius) var(--radius) 0;
}

.tire-size-calculator .result-box.primary.highlight {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  text-align: center;
}

.tire-size-calculator .result-box.primary.highlight .result-label {
  font-size: 0.875rem;
}

.tire-size-calculator .result-box.primary.highlight .result-multi-value {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
}

.tire-size-calculator .result-multi-value {
  display: flex;
  gap: 0.5rem;
}

.tire-size-calculator .result-multi-value span {
  font-weight: 500;
  color: var(--foreground);
}

.tire-size-calculator .result-box.primary.highlight .result-multi-value span {
  color: white;
}

.tire-size-calculator .result-table {
  margin-top: 1rem;
}

/* Container to handle potential overflow */
.tire-size-calculator .result-table-container {
  width: 100%;
  overflow: visible;
  height: auto;
}

/* The Table: Removing the fixed 450px width and min-width */
.tire-size-calculator .result-table {
  width: 100% !important;
  min-width: 0 !important;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* Individual Rows: Making them flexible and side-by-side */
.tire-size-calculator .result-table-row {
  width: 100% !important;
  min-width: 0 !important;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 8px;
  box-sizing: border-box;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

/* Typography improvements for mobile */
.tire-size-calculator .result-table-row .result-label {
  font-size: 14px;
  font-weight: 500;
  color: var(--muted-foreground);
}

.tire-size-calculator .result-table-row .result-multi-value,
.tire-size-calculator .result-table-row > span:not(.result-label) {
  font-size: 14px;
  color: var(--foreground);
  text-align: right;
}

/* Zebra Striping */
.tire-size-calculator .result-table-row:nth-child(even) {
  background-color: rgba(255, 255, 255, 0.03);
  border-radius: 4px;
}

.tire-size-calculator .tire-diagram {
  margin-top: 1rem;
  text-align: center;
}

.tire-size-calculator .tire-diagram svg {
  max-width: 100%;
  height: auto;
  display: inline-block;
  vertical-align: top;
}

.tire-size-calculator .tire-comparison-diagrams {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: center;
  margin: 1rem 0;
}

.tire-size-calculator .tire-diagram-item {
  text-align: center;
  flex: 1;
  min-width: 200px;
}

.tire-size-calculator .tire-diagram-item h4 {
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

.tire-size-calculator .tire-diagram-item svg {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
}

.tire-size-calculator .alternative-tires {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.tire-size-calculator .alternative-tires h4 {
  font-size: 0.75rem;
  margin-bottom: 0.5rem;
  color: var(--foreground);
}

.tire-size-calculator .alt-table-container {
  overflow-x: auto;
  max-height: 250px;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.tire-size-calculator .alt-result-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.5625rem;
  min-width: 320px;
}

.tire-size-calculator .alt-result-table th,
.tire-size-calculator .alt-result-table td {
  padding: 0.125rem 0.25rem;
  text-align: center;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.tire-size-calculator .alt-result-table th {
  background: var(--card);
  font-weight: 600;
  position: sticky;
  top: 0;
  z-index: 1;
  font-size: 0.5rem;
}

.tire-size-calculator .alt-result-table td {
  font-size: 0.5rem;
}

.tire-size-calculator .alt-result-table tbody tr:hover {
  background: var(--hover);
}

.tire-size-calculator .alt-result-table tbody tr.highlight-row {
  background-color: #3b82f6 !important;
}

.tire-size-calculator .alt-result-table tbody tr.highlight-row td {
  font-weight: 700 !important;
  color: #fff !important;
}

.tire-size-calculator .alt-result-table tbody tr.best-match {
  background-color: #22c55e !important;
}

.tire-size-calculator .alt-result-table tbody tr.best-match td {
  font-weight: 700 !important;
  color: #fff !important;
}

.tire-size-calculator .compare-result-table-container {
  overflow-x: auto;
  margin-bottom: 0.75rem;
}

.tire-size-calculator .compare-result-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8125rem;
}

.tire-size-calculator .compare-result-table th,
.tire-size-calculator .compare-result-table td {
  padding: 0.375rem 0.5rem;
  text-align: center;
  border: 1px solid var(--border);
}

.tire-size-calculator .compare-result-table th {
  background: var(--card);
  font-weight: 600;
  font-size: 0.8125rem;
}

.tire-size-calculator .speedometer-difference {
  margin: 0.75rem 0;
  padding: 0.5rem;
  background: var(--card);
  border-radius: var(--radius);
}

.tire-size-calculator .speedometer-table {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-top: 0.5rem;
}

.tire-size-calculator .speedometer-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
}

.tire-size-calculator .alt-note {

.tire-size-calculator .alternative-tires h4 {
  font-size: 0.875rem;
  margin-bottom: 0.75rem;
  color: var(--foreground);
}

.tire-size-calculator .alt-table-container {
  overflow-x: auto;
  max-height: 300px;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.tire-size-calculator .alt-result-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.75rem;
}

.tire-size-calculator .alt-result-table th,
.tire-size-calculator .alt-result-table td {
  padding: 0.375rem 0.5rem;
  text-align: center;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.tire-size-calculator .alt-result-table th {
  background: var(--card);
  font-weight: 600;
  position: sticky;
  top: 0;
  z-index: 1;
}

.tire-size-calculator .alt-result-table tbody tr:hover {
  background: var(--hover);
}

.tire-size-calculator .alt-result-table .highlight-row {
  background: rgba(59, 130, 246, 0.1);
}

.tire-size-calculator .alt-result-table .highlight-row td:first-child {
  font-weight: 600;
}

.tire-size-calculator .alt-note {
  font-size: 0.75rem;
  color: var(--muted-foreground);
  margin-top: 0.75rem;
  font-style: italic;
}

@media (max-width: 768px) {
  .tire-size-calculator {
    overflow-x: hidden;
  }

  .tire-size-calculator * {
    max-width: 100%;
    box-sizing: border-box;
  }

  .tire-size-calculator .calc-results {
    overflow-x: visible;
    padding: 0.5rem;
  }

  .tire-size-calculator .result-table-container {
    width: 100%;
    max-width: 100%;
    overflow-x: visible;
  }

  .tire-size-calculator .result-table {
    width: 100%;
    max-width: 100%;
    min-width: 0;
  }

  .tire-size-calculator .result-table-row {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    flex-wrap: wrap;
  }

  .tire-size-calculator .alt-table-container,
  .tire-size-calculator .compare-result-table-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .tire-size-calculator .alt-result-table,
  .tire-size-calculator .compare-result-table {
    min-width: 280px;
  }

  .tire-size-calculator .calculator-card {
    grid-template-columns: 1fr;
  }

  .tire-size-calculator .tire-code-input {
    flex-wrap: wrap;
  }

  .tire-size-calculator .tire-code-input .input-width input,
  .tire-size-calculator .tire-code-input .input-aspect input,
  .tire-size-calculator .tire-code-input .input-wheel input {
    width: 45px;
    max-width: 45px;
  }

  .tire-size-calculator .compare-result-table {
    font-size: 0.75rem;
  }

  .tire-size-calculator .compare-result-table th,
  .tire-size-calculator .compare-result-table td {
    padding: 0.25rem;
    font-size: 0.75rem;
  }

  .tire-size-calculator .alt-result-table {
    font-size: 0.45rem;
  }

  .tire-size-calculator .alt-result-table th,
  .tire-size-calculator .alt-result-table td {
    padding: 0.1rem;
    font-size: 0.35rem;
  }

  .tire-size-calculator .speedometer-row {
    flex-direction: column;
    gap: 0.125rem;
    font-size: 0.8125rem;
  }

  .tire-size-calculator .radio-options {
    flex-direction: column;
    gap: 0.5rem;
  }

  .tire-size-calculator .result-multi-value {
    flex-direction: column;
    gap: 0;
    font-size: 0.7rem;
    flex-wrap: wrap;
  }

  .tire-size-calculator .result-box.primary.highlight {
    flex-direction: column;
    gap: 0.5rem;
    align-items: flex-start;
    font-size: 0.7rem;
    padding: 0.5rem;
    margin: 0;
  }

  .tire-size-calculator .result-box.primary.highlight .result-label {
    font-size: 0.7rem;
  }

  .tire-size-calculator .result-box.primary.highlight .result-multi-value {
    width: 100%;
    font-size: 0.8rem;
  }

  .tire-size-calculator .result-table {
    margin-top: 0.5rem;
  }

  .tire-size-calculator .result-table-row {
    flex-direction: column;
    gap: 0.2rem;
    text-align: left;
    overflow-x: visible;
    font-size: 0.7rem;
    padding: 0.25rem 0;
  }

  .tire-size-calculator .result-table-row .result-label {
    font-size: 0.7rem;
  }

  .tire-size-calculator .result-table-row .result-multi-value {
    text-align: left;
    font-size: 0.65rem;
    flex-wrap: wrap;
    min-width: 0;
    width: 100%;
  }

  .tire-size-calculator .result-multi-value span {
    word-break: break-word;
    display: block;
    min-width: 0;
  }
}
   
  .golf-handicap-calculator .score-table .col-pca {
    min-width: 35px;
  }
}

.error-text {
  color: #ef4444;
  font-weight: 500;
}

.dark .error-text {
  color: #f87171;
}

.copy-link {
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.copy-link:hover {
  text-decoration: underline;
}

.dark .copy-link {
  color: hsl(242, 85%, 65%);
}

/* Day Counter Styles */
.settings-panel {
  margin-top: 1rem;
  padding: 1rem;
  background: var(--secondary);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.dark .settings-panel {
  background: hsl(215 25% 18%);
  border-color: hsl(215 25% 20%);
}

.holiday-month-select,
.holiday-day-select {
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
  color: var(--foreground);
  font-size: 0.875rem;
}

.holiday-row {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  align-items: center;
}

.holiday-row .inhalf {
  flex: 1;
  min-width: 100px;
}

.result-content {
  padding: 0.5rem 0;
}

.result-placeholder {
  color: var(--muted-foreground);
  font-size: 0.9375rem;
  margin: 0;
}

.result-main {
  margin-bottom: 1rem;
}

.result-details {
  background: var(--secondary);
  padding: 0.75rem;
  border-radius: calc(var(--radius) - 0.25rem);
}

.dark .result-details {
  background: hsl(215 25% 18%);
}

.result-note {
  font-size: 0.8125rem;
  color: var(--muted-foreground);
  margin-top: 0.5rem;
}

.holiday-list {
  margin-top: 0.75rem;
  font-size: 0.875rem;
}

.holiday-list ul {
  list-style: none;
  padding-left: 0;
  margin: 0.5rem 0 0 0;
}

.holiday-list li {
  padding: 0.25rem 0;
  color: var(--foreground);
}

.inline-inputs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.bigtext {
  padding: 0.625rem 0.875rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 1rem;
  background: var(--card);
  color: var(--foreground);
}

.inuiyear {
  width: 60px;
  padding: 0.625rem 0.875rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 1rem;
  background: var(--card);
  color: var(--foreground);
}

.inuiyearspan {
  margin: 0 8px;
  color: var(--muted-foreground);
  font-size: 0.875rem;
}

.input-hint {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  margin: 0.5rem 0;
}

.innormal {
  width: 80px;
  padding: 0.625rem 0.875rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 1rem;
  background: var(--card);
  color: var(--foreground);
}

.time-unit-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.time-unit-input {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.time-unit-input label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--foreground);
}

.business-mode .time-unit-group {
  display: none;
}

.time-input-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.swap-btn {
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
  transition: all 0.2s;
}

.swap-btn:hover {
  background: var(--secondary);
}

.now-link {
  color: var(--primary);
  text-decoration: none;
  font-size: 0.875rem;
  margin-left: 0.5rem;
  cursor: pointer;
}

.now-link:hover {
  text-decoration: underline;
}

.sleep-cycle-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-top: 1rem;
}

.sleep-cycle-item {
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
  cursor: pointer;
  background: var(--card);
  transition: background 0.2s, border-color 0.2s;
}

.sleep-cycle-item:hover {
  background: var(--secondary);
  border-color: var(--primary);
}

.sleep-cycle-item.highlight {
  border-color: var(--primary);
  background: rgba(var(--primary-rgb, 59, 130, 246), 0.1);
}

.sleep-cycle-item .cycle-label {
  font-size: 0.75rem;
  color: var(--muted-foreground);
  margin-bottom: 0.25rem;
}

.sleep-cycle-item .cycle-time {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--foreground);
}

.result-hint {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  margin-bottom: 1rem;
}

.duration-input-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.inlong {
  width: 120px;
  padding: 0.625rem 0.875rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 1rem;
  background: var(--card);
  color: var(--foreground);
}

@media (max-width: 768px) {
  .inlong {
    width: 100%;
  }
  
  .time-input-row {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .am-pm-col,
  .form-group.am-pm-col {
    width: 100%;
  }
  
  .am-pm-select {
    width: 100%;
  }
  
  .now-link {
    margin-left: 0;
    margin-top: 0.25rem;
  }
  
  .swap-col {
    align-self: center;
  }
  
  .swap-btn {
    padding: 0.75rem;
  }
}

.am-pm-select {
  padding: 0.625rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 1rem;
  background: var(--card);
  color: var(--foreground);
}

/* Grade Calculator Styles */
.grade-input-table {
  width: 100%;
  min-width: 0;
  display: table;
  border-collapse: collapse;
  margin-bottom: 1rem;
}

.grade-input-table th {
  padding: 0.5rem;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--foreground);
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.grade-input-table th:first-child {
  text-align: left;
}

.grade-input-table th .th-sub {
  font-weight: 400;
  font-size: 0.75rem;
  color: var(--muted-foreground);
}

.grade-input-table td {
  padding: 0.25rem;
}

.grade-input-table td:nth-child(2),
.grade-input-table td:nth-child(3) {
  text-align: center;
}

.grade-input-table .grade-name,
.grade-input-table .grade-score,
.grade-input-table .grade-weight {
  width: 100%;
  min-width: 60px;
  padding: 0.375rem;
  font-size: 0.8125rem;
}

.grade-input-table .grade-letter {
  width: 100%;
  min-width: 60px;
  padding: 0.375rem;
  font-size: 0.8125rem;
}

.grade-name {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.9375rem;
  background: var(--card);
  color: var(--foreground);
  box-sizing: border-box;
}

.grade-name:focus,
.grade-score:focus,
.grade-weight:focus {
  outline: 2px solid var(--primary);
  outline-offset: -1px;
}

.grade-score {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.9375rem;
  background: var(--card);
  color: var(--foreground);
  text-align: center;
  box-sizing: border-box;
}

.grade-letter {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.9375rem;
  background: var(--card);
  color: var(--foreground);
  box-sizing: border-box;
}

.grade-weight {
  width: 100%;
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.9375rem;
  background: var(--card);
  color: var(--foreground);
  text-align: center;
  box-sizing: border-box;
}

.add-rows-link {
  text-align: center;
  margin-bottom: 1rem;
}

.add-row-btn {
  background: none;
  border: none;
  color: var(--primary);
  font-size: 0.9375rem;
  cursor: pointer;
  padding: 0.5rem;
}

.add-row-btn:hover {
  text-decoration: underline;
}

.result-table {
  width: 100%;
  min-width: 0;
  display: table;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.result-table th {
  padding: 0.5rem;
  font-weight: 600;
  font-size: 0.8125rem;
  color: var(--muted-foreground);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border);
  text-align: center;
}

.result-table th:first-child {
  text-align: left;
}

.result-table td {
  padding: 0.5rem;
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.result-table td:first-child {
  text-align: left;
}

.result-table .total-row td {
  font-weight: 600;
  border-top: 2px solid var(--border);
}

.result-table .average-row td {
  font-weight: 600;
  background: var(--secondary);
  border-top: 2px solid var(--border);
}

.grade-result-table {
  margin-bottom: 1rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.grade-planning-section {
  background: var(--secondary);
  padding: 1rem;
  border-radius: var(--radius);
  margin-bottom: 1rem;
}

.grade-planning-section .result-section-title {
  margin-bottom: 0.75rem;
  font-size: 1rem;
  color: var(--foreground);
  font-weight: 600;
}

.planning-row {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.planning-row:last-child {
  margin-bottom: 0;
}

.planning-row label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--foreground);
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.help-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--muted-foreground);
  color: var(--card);
  font-size: 0.625rem;
  font-weight: 700;
  cursor: help;
}

.planning-inputs {
  display: flex;
  gap: 0.5rem;
}

.planning-input {
  flex: 1;
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.9375rem;
  background: var(--card);
  color: var(--foreground);
}

.planning-letter {
  width: 80px;
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.9375rem;
  background: var(--card);
  color: var(--foreground);
}

.grade-settings {
  background: var(--secondary);
  padding: 1rem;
  border-radius: var(--radius);
  margin-bottom: 1rem;
}

.grade-settings .result-section-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
  font-size: 1rem;
  color: var(--foreground);
  font-weight: 600;
}

.close-settings {
  cursor: pointer;
  font-size: 1.25rem;
  color: var(--muted-foreground);
  line-height: 1;
}

.close-settings:hover {
  color: var(--foreground);
}

.settings-row {
  margin-bottom: 0.75rem;
}

.settings-row:last-child {
  margin-bottom: 0;
}

.settings-row > label:first-child {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--foreground);
  margin-bottom: 0.5rem;
}

.settings-options {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.radio-option,
.checkbox-option {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--foreground);
  cursor: pointer;
}

.radio-option input,
.checkbox-option input {
  width: 16px;
  height: 16px;
  cursor: pointer;
}

.section-desc {
  font-size: 0.9375rem;
  color: var(--muted-foreground);
  margin-bottom: 1rem;
}

.final-grade-inputs {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.breakdown-content {
  margin-top: 0.75rem;
}

.breakdown-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.breakdown-table th,
.breakdown-table td {
  padding: 0.5rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.breakdown-table th {
  font-weight: 600;
  color: var(--muted-foreground);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.grade-scale-table {
  width: 100%;
  max-width: 500px;
  margin: 0 auto;
  border-collapse: collapse;
}

.grade-scale-table th,
.grade-scale-table td {
  padding: 0.75rem;
  text-align: center;
  border: 1px solid var(--border);
}

.grade-scale-table th {
  background: var(--secondary);
  font-weight: 600;
  color: var(--foreground);
}

.grade-scale-table tr:nth-child(even) {
  background: var(--secondary);
}

.grade-table-container {
  overflow-x: auto;
  margin: 1rem 0;
}

/* Grade Calculator Responsive */
@media (max-width: 768px) {
  .grade-header-row {
    display: none;
  }
  
  .grade-row {
    grid-template-columns: 1fr;
    gap: 0.5rem;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 0.5rem;
  }
  
  .grade-row::before {
    content: attr(data-row);
    font-weight: 600;
    color: var(--muted-foreground);
    font-size: 0.75rem;
    text-transform: uppercase;
  }
  
  .final-grade-inputs .form-group {
    width: 100%;
  }
}

/* Bra Size Calculator */
.bra-size-calculator .bra-visualization,
.bra-size-calculator .cup-size-chart,
.bra-size-calculator .size-comparison-svg {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.bra-size-calculator .svg-container {
  width: 100%;
  overflow: hidden;
  border-radius: var(--radius);
}

.bra-size-calculator .svg-container svg {
  display: block;
  max-width: 100%;
  height: auto;
}

.bra-size-calculator .input-hint {
  font-size: 0.75rem;
  color: var(--muted-foreground);
  margin-top: 0.25rem;
  display: block;
}

.bra-size-calculator .result-box.primary.highlight {
  margin-bottom: 1rem;
}

.bra-size-calculator .calculator-info {
  margin: 2rem 0;
}

.bra-size-calculator .calculator-info article {
  margin-bottom: 2rem;
  padding: 1.5rem;
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.bra-size-calculator .calculator-info h2,
.bra-size-calculator .calculator-info h3 {
  color: var(--foreground);
  margin-bottom: 1rem;
}

.bra-size-calculator .calculator-info h2 {
  font-size: 1.5rem;
  font-weight: 700;
}

.bra-size-calculator .calculator-info h3 {
  font-size: 1.25rem;
  font-weight: 600;
}

.bra-size-calculator .calculator-info p {
  color: var(--muted-foreground);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.bra-size-calculator .calculator-info .z-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: 0.875rem;
}

.bra-size-calculator .calculator-info .z-table th,
.bra-size-calculator .calculator-info .z-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border: 1px solid var(--border);
}

.bra-size-calculator .calculator-info .z-table th {
  background: var(--secondary);
  color: var(--foreground);
  font-weight: 600;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.bra-size-calculator .calculator-info .z-table td {
  color: var(--muted-foreground);
}

.bra-size-calculator .calculator-info .z-table tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.02);
}

.bra-size-calculator .calculator-info .content-image {
  margin: 1rem 0;
}

.bra-size-calculator .calculator-info .table-responsive {
  overflow-x: auto;
  margin: 1rem 0;
}

.bra-size-calculator .converter-table-container,
.bra-size-calculator .result-table-container {
  overflow-x: auto !important;
  margin: 1rem 0 !important;
}

.bra-size-calculator .converter-table,
.bra-size-calculator .result-table {
  width: 100% !important;
  border-collapse: collapse !important;
  font-size: 0.8125rem !important;
}

.bra-size-calculator .converter-table th,
.bra-size-calculator .converter-table td,
.bra-size-calculator .result-table th,
.bra-size-calculator .result-table td {
  padding: 0.5rem 1rem !important;
  text-align: left !important;
  border: 0.8px solid rgb(38, 49, 64) !important;
}

.bra-size-calculator .converter-table th,
.bra-size-calculator .result-table th {
  font-weight: 600 !important;
  font-size: 13px !important;
  color: rgb(249, 250, 251) !important;
  background: rgb(34, 44, 57) !important;
}

.bra-size-calculator .converter-table td,
.bra-size-calculator .result-table td {
  color: rgb(148, 163, 184) !important;
  background: rgb(34, 44, 57) !important;
}

.bra-size-calculator .converter-table tr:last-child td,
.bra-size-calculator .result-table tr:last-child td {
  border-bottom: 0.8px solid rgb(38, 49, 64) !important;
}

/* Dice Roller */
.dice-roller .dice-display {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1rem 0;
  min-height: 100px;
  justify-content: center;
}

.dice-roller .dice-container {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

.dice-roller .dice-item {
  display: inline-block;
  width: 80px;
  height: 80px;
}

.dice-roller .dice-summary {
  text-align: center;
  padding: 1rem 0;
}

.dice-roller .sum-product {
  display: flex;
  justify-content: center;
  gap: 2rem;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--foreground);
}

.dice-roller .non-con-result {
  padding: 1rem 0;
}

.dice-roller .non-con-values {
  font-size: 0.9375rem;
  word-break: break-all;
  color: var(--foreground);
  line-height: 1.8;
}

.dice-roller .range-input {
  width: 100%;
  margin-top: 0.75rem;
  height: 8px;
  -webkit-appearance: none;
  background: var(--border);
  border-radius: 4px;
  outline: none;
}

.dice-roller .range-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  background: var(--primary);
  border-radius: 50%;
  cursor: pointer;
}

.dice-roller .action-btn.stop {
  background: #cc3333;
}

.dice-roller .input-hint {
  font-size: 0.8125rem;
  color: var(--muted-foreground);
  margin-bottom: 1rem;
}

.dice-roller .calculator-info .z-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: 0.875rem;
}

.dice-roller .calculator-info .z-table th,
.dice-roller .calculator-info .z-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border: 1px solid var(--border);
}

.dice-roller .calculator-info .z-table th {
  background: var(--secondary);
  color: var(--foreground);
  font-weight: 600;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.dice-roller .calculator-info .z-table td {
  color: var(--muted-foreground);
}

.dice-roller .calculator-info .table-responsive {
  overflow-x: auto;
  margin: 1rem 0;
}

.dice-roller .calculator-info article {
  margin-bottom: 2rem;
  padding: 1.5rem;
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.dice-roller .calculator-info h2,
.dice-roller .calculator-info h3 {
  color: var(--foreground);
  margin-bottom: 1rem;
}

.dice-roller .calculator-info h2 {
  font-size: 1.5rem;
  font-weight: 700;
}

.dice-roller .calculator-info h3 {
  font-size: 1.25rem;
  font-weight: 600;
}

.dice-roller .calculator-info p {
  color: var(--muted-foreground);
  line-height: 1.6;
  margin-bottom: 1rem;
}

/* Fuel Cost Calculator Table & Chart */
.fuel-cost-calculator .fuel-table-section {
  margin-top: 1.5rem;
  padding: 1rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.fuel-cost-calculator .fuel-table-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--foreground);
  margin-bottom: 1rem;
  text-align: center;
}

.fuel-cost-calculator .fuel-table-container {
  overflow-x: auto;
}

.fuel-cost-calculator .fuel-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.fuel-cost-calculator .fuel-table th,
.fuel-cost-calculator .fuel-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.fuel-cost-calculator .fuel-table th {
  background: var(--secondary);
  color: var(--foreground);
  font-weight: 600;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.fuel-cost-calculator .fuel-table td {
  color: var(--muted-foreground);
}

.fuel-cost-calculator .fuel-table tr:last-child td {
  border-bottom: none;
}

.fuel-cost-calculator .fuel-table tr:hover {
  background: var(--secondary);
}

.fuel-cost-calculator .fuel-visualization {
  margin-top: 1.5rem;
  padding: 1rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.fuel-cost-calculator .fuel-visualization svg {
  width: 100%;
  height: auto;
}

.fuel-cost-calculator .chart-bar {
  transition: height 0.3s ease, y 0.3s ease;
}

.fuel-cost-calculator .fuel-visualization svg text {
  font-family: var(--font-sans);
}

/* BTU Calculator */
.btu-calculator .section-desc {
  color: var(--muted-foreground);
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.btu-calculator .input-hint {
  display: block;
  font-size: 0.75rem;
  color: var(--muted-foreground);
  margin-top: 0.25rem;
}

.btu-calculator .result-breakdown {
  margin-top: 1rem;
  padding: 1rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.btu-calculator .result-breakdown h4 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--foreground);
  margin-bottom: 0.75rem;
}

.btu-calculator .breakdown-items {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.btu-calculator .breakdown-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--muted-foreground);
}

.btu-calculator .breakdown-row.total {
  border-top: 1px solid var(--border);
  padding-top: 0.5rem;
  margin-top: 0.5rem;
  font-weight: 600;
  color: var(--foreground);
}

.btu-calculator .calculator-card {
  margin-bottom: 2rem;
}

.btu-calculator .calculator-info .data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
}

.btu-calculator .calculator-info .data-table th,
.btu-calculator .calculator-info .data-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border: 1px solid var(--border);
}

.btu-calculator .calculator-info .data-table th {
  background: var(--secondary);
  color: var(--foreground);
  font-weight: 600;
  font-size: 0.8125rem;
}

.btu-calculator .calculator-info .data-table td {
  color: var(--muted-foreground);
}

.btu-calculator .calculator-info .table-responsive {
  overflow-x: auto;
  margin: 1rem 0;
}

@media (max-width: 768px) {
  .btu-calculator .calculator-card.simple-calc .calc-form,
  .btu-calculator .calculator-card.simple-calc .calc-results {
    padding: 1rem;
  }

  .btu-calculator .result-box.primary.highlight {
    padding: 1.25rem;
  }

  .btu-calculator .result-box.primary.highlight .result-value {
    font-size: 1.25rem;
  }

  .btu-calculator .result-grid {
    gap: 0.5rem;
  }

  .btu-calculator .result-grid .result-box {
    padding: 0.75rem;
  }

  .btu-calculator .result-breakdown {
    padding: 0.75rem;
    margin-top: 0.75rem;
  }

  .btu-calculator .action-buttons {
    flex-direction: row;
  }

  .btu-calculator .action-buttons .action-btn {
    flex: 1;
  }
}

/* Time Card Calculator - Input Fields */
.time-card-calculator .time-entry-table {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.time-card-calculator .time-table-header {
  display: flex;
  padding: 0.375rem 0.5rem;
  background: var(--primary);
  color: var(--primary-foreground);
  font-weight: 600;
  font-size: 0.75rem;
  text-align: center;
}

.time-card-calculator .time-table-header span {
  flex: 1;
  padding: 0.125rem;
}

.time-card-calculator .time-table-header span:first-child {
  flex: 1.2;
  text-align: left;
}

.time-card-calculator .time-table-row {
  display: flex;
  flex-direction: row;
  padding: 0.25rem 0.375rem;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  align-items: center;
}

.time-card-calculator .time-table-row:last-child {
  border-bottom: none;
}

.time-card-calculator .time-table-row:hover {
  background: var(--secondary);
}

.time-card-calculator .time-label {
  flex: 1.2;
  padding: 0.375rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.8125rem;
  background: var(--card);
  color: var(--foreground);
  min-width: 0;
}

.time-card-calculator .time-input {
  flex: 1;
  padding: 0.375rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.8125rem;
  background: var(--card);
  color: var(--foreground);
  text-align: center;
  min-width: 0;
}

.time-card-calculator .time-table-header span:nth-child(4) {
  flex: 1;
}

.time-card-calculator .time-table-header span:nth-child(5) {
  flex: 0;
  width: 24px;
}

.time-card-calculator .time-table-row {
  display: flex;
  flex-direction: row;
  padding: 0.25rem 0.375rem;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  align-items: center;
}

.time-card-calculator .time-table-row:last-child {
  border-bottom: none;
}

.time-card-calculator .time-table-row:hover {
  background: var(--secondary);
}

.time-card-calculator .time-label {
  flex: 1.2;
  padding: 0.375rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.8125rem;
  background: var(--card);
  color: var(--foreground);
  min-width: 0;
}

.time-card-calculator .time-input {
  flex: 1;
  padding: 0.375rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.8125rem;
  background: var(--card);
  color: var(--foreground);
  text-align: center;
  min-width: 0;
}

.time-card-calculator .time-input:focus,
.time-card-calculator .time-label:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.time-card-calculator .time-break {
  width: 60px;
  min-width: 60px;
}

.time-card-calculator .clear-row-btn {
  
  .time-card-calculator .clear-row-btn svg {
    width: 16px;
    height: 16px;
  }
}

/* Time Card Calculator Print Styles */
@media print {
  .time-card-calculator .ad-container,
  .time-card-calculator .table-of-contents,
  .time-card-calculator .calculator-info,
  .time-card-calculator .faq-section,
  .time-card-calculator .related-tools,
  .time-card-calculator .footer,
  .time-card-calculator .header,
  .time-card-calculator .table-actions,
  .time-card-calculator .text-link-btn,
  .time-card-calculator .action-buttons,
  .time-card-calculator .payment-settings,
  .time-card-calculator .clear-row-btn,
  .time-card-calculator .time-table-header span:nth-child(5),
  .time-card-calculator .report-notes-display,
  .time-card-calculator .payment-summary {
    display: none !important;
  }
  
  .time-card-calculator .main {
    padding: 0 !important;
    margin: 0 !important;
  }
  
  .time-card-calculator .calculator-page {
    padding: 0;
  }
  
  .time-card-calculator .calculator-header {
    padding: 0.5rem 0;
  }
  
  .time-card-calculator .calculator-header h1 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
  }
  
  .time-card-calculator .calculator-header .intro-text {
    display: none;
  }
  
  .time-card-calculator .calculator-card {
    box-shadow: none;
    border: 1px solid #ccc;
    display: block !important;
  }
  
  .time-card-calculator .calc-form,
  .time-card-calculator .calc-results {
    display: block !important;
    width: 100% !important;
    padding: 0.5rem;
    float: none !important;
    visibility: visible !important;
    opacity: 1 !important;
  }
  
  .time-card-calculator .time-entry-table {
    border: 1px solid #ccc;
  }
  
  .time-card-calculator .time-table-header {
    background: #f0f0f0 !important;
    color: black !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
  
  .time-card-calculator .time-table-row {
    border-bottom: 1px solid #ccc;
  }
  
  .time-card-calculator .results-table th,
  .time-card-calculator .results-table td {
    border: 1px solid #ccc;
  }
  
  .time-card-calculator .results-table th {
    background: #f0f0f0 !important;
    color: black !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
  
  .time-card-calculator .results-table .total-row td {
    background: #f0f0f0 !important;
    color: black !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
  
  .time-card-calculator .report-header-display {
    border: 1px solid #ccc;
    padding: 0.5rem;
  }
}

/* Love Calculator */
.love-calculator .note-text {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  margin-top: 0.5rem;
  font-style: italic;
}

.love-calculator .love-score-display {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background: linear-gradient(135deg, hsl(342 85% 55%), hsl(320 85% 55%));
  border-radius: var(--radius);
  text-align: center;
}

.dark .love-calculator .love-score-display {
  background: linear-gradient(135deg, hsl(342 85% 65%), hsl(320 85% 65%));
}

.love-calculator .love-percentage {
  font-size: 4rem;
  font-weight: 700;
  color: white;
  line-height: 1;
}

.love-calculator .love-label {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.9);
  margin-top: 0.5rem;
}

.love-calculator .love-message {
  margin-top: 1rem;
  padding: 1rem;
  background: var(--secondary);
  border-radius: var(--radius);
  text-align: center;
  font-size: 0.9375rem;
  color: var(--foreground);
}

.love-calculator .score-cell {
  font-weight: 600;
  text-align: right;
  padding-right: 1rem;
}

@media (max-width: 768px) {
  .love-calculator .love-percentage {
    font-size: 3rem;
  }
  
  .love-calculator .love-score-display {
    padding: 1.5rem;
  }
}

/* Love Calculator Print Styles */
@media print {
  .love-calculator .ad-container,
  .love-calculator .table-of-contents,
  .love-calculator .calculator-info,
  .love-calculator .faq-section,
  .love-calculator .related-tools,
  .love-calculator .footer,
  .love-calculator .header {
    display: none !important;
  }
  
  .love-calculator .love-score-display {
    background: #f0f0f0 !important;
    color: black !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
  
  .love-calculator .love-percentage,
  .love-calculator .love-label {
    color: black !important;
  }
}

/* Gas Mileage Calculator */
.gas-mileage-calculator .unit-toggle-container {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.gas-mileage-calculator .unit-toggle-btn {
  flex: 1;
  padding: 0.625rem 1rem;
  background: var(--secondary);
  color: var(--foreground);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.gas-mileage-calculator .unit-toggle-btn:hover {
  background: var(--border);
}

.gas-mileage-calculator .unit-toggle-btn.active {
  background: var(--primary);
  color: var(--primary-foreground);
  border-color: var(--primary);
}

.gas-mileage-calculator .unit-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.gas-mileage-calculator .input-with-unit {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.gas-mileage-calculator .input-with-unit .text-input {
  flex: 1;
  min-width: 0;
}

.gas-mileage-calculator .unit-label {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  white-space: nowrap;
}

.gas-mileage-calculator .currency-prefix {
  font-size: 1rem;
  font-weight: 600;
  color: var(--muted-foreground);
}

.gas-mileage-calculator .input-with-unit .currency-prefix {
  margin-right: -0.25rem;
}

.gas-mileage-calculator .related-link:hover {
  text-decoration: underline;
}

@media (max-width: 768px) {
  .gas-mileage-calculator .unit-toggle-container {
    flex-direction: column;
  }
  
  .gas-mileage-calculator .input-with-unit {
    flex-wrap: wrap;
  }
  
  .gas-mileage-calculator .input-with-unit .text-input {
    width: 100%;
  }
}

/* Gas Mileage Calculator Print Styles */
@media print {
  .gas-mileage-calculator .ad-container,
  .gas-mileage-calculator .unit-toggle-container,
  .gas-mileage-calculator .footer,
  .gas-mileage-calculator .header {
    display: none !important;
  }
}

/* Weight Calculator Styles */
.weight-calculator .conversion-table {
  display: table;
  margin: 0 auto;
}

.weight-calculator .conversion-table td {
  padding: 0.5rem;
  vertical-align: middle;
}

.weight-calculator .inlong {
  width: 120px;
  padding: 0.625rem;
  font-size: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
  color: var(--foreground);
}

.weight-calculator select[size="1"] {
  padding: 0.625rem;
  font-size: 0.875rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
  color: var(--foreground);
  min-width: 140px;
}

.weight-calculator .bigtext {
  font-size: 1.25rem;
  font-weight: 600;
  padding: 0 0.5rem;
}

.weight-calculator .result-display {
  text-align: center;
  margin-top: 1rem;
  padding: 1rem;
  font-size: 1.25rem;
  font-weight: 600;
  color: #22c55e !important;
  background: var(--secondary);
  border-radius: var(--radius);
  display: block !important;
  min-height: 20px;
}

.weight-calculator .cinfoT {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
}

.weight-calculator .cinfoT td {
  padding: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.weight-calculator .cinfoT td:first-child {
  font-weight: 600;
  width: 30%;
}

.weight-calculator .cinfoBodL {
  text-align: left;
}

.dark .weight-calculator .inlong,
.dark .weight-calculator select[size="1"] {
  background: var(--secondary);
  border-color: var(--border);
  color: var(--foreground);
}

.dark .weight-calculator .cinfoT td {
  border-color: var(--border);
}

.dark .weight-calculator .result-display {
  background: var(--secondary);
}

.weight-calculator .action-buttons {
  justify-content: center;
  padding: 1rem;
}

@media (max-width: 768px) {
  .weight-calculator .conversion-table {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
  }
  
  .weight-calculator .conversion-table tr {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
  }
  
  .weight-calculator .conversion-table td {
    padding: 0.25rem;
  }
  
  .weight-calculator .inlong {
    width: 100px;
  }
  
  .weight-calculator select[size="1"] {
    min-width: 120px;
  }
}

/* Wind Chill Calculator Chart Tables */
.chart-container {
  overflow-x: auto;
  margin: 1rem 0;
}

.wind-chill-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 2px;
  font-size: 0.75rem;
}

.wind-chill-table th,
.wind-chill-table td {
  padding: 0.5rem 0.25rem;
  text-align: center;
  border-radius: 4px;
}

.wind-chill-table th {
  background: #374151;
  color: white;
  font-weight: 600;
}

.wind-chill-table .row-header {
  background: #374151;
  color: white;
  font-weight: 600;
  min-width: 60px;
}

.wind-chill-table td.safe {
  background: #d1fae5;
  color: #065f46;
}

.wind-chill-table td.caution {
  background: #fef3c7;
  color: #92400e;
}

.wind-chill-table td.danger {
  background: #fed7aa;
  color: #c2410c;
}

.wind-chill-table td.extreme {
  background: #fecaca;
  color: #b91c1c;
}

/* Chart Legend */
.chart-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 1rem 0;
  justify-content: center;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
}

.legend-color {
  width: 20px;
  height: 20px;
  border-radius: 4px;
}

.legend-color.safe {
  background: #d1fae5;
}

.legend-color.caution {
  background: #fef3c7;
}

.legend-color.danger {
  background: #fed7aa;
}

.legend-color.extreme {
  background: #fecaca;
}

/* Frostbite Chart (Visual Bars) */
.frostbite-chart {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin: 1rem 0;
}

.frostbite-item {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.frostbite-bar {
  width: 100%;
  max-width: 200px;
  height: 36px;
  border-radius: 8px;
  min-width: 100px;
}

.frostbite-bar.safe {
  background: linear-gradient(90deg, #34d399, #10b981);
}

.frostbite-bar.caution {
  background: linear-gradient(90deg, #fbbf24, #f59e0b);
}

.frostbite-bar.danger {
  background: linear-gradient(90deg, #fb923c, #f97316);
}

.frostbite-bar.extreme {
  background: linear-gradient(90deg, #f87171, #ef4444);
}

.frostbite-bar.extreme-dark {
  background: linear-gradient(90deg, #dc2626, #b91c1c);
}

.frostbite-info {
  display: flex;
  flex-direction: column;
}

.frostbite-info strong {
  font-size: 0.875rem;
}

.frostbite-info span {
  font-size: 0.75rem;
  color: var(--foreground-secondary);
}

@media (max-width: 768px) {
  .wind-chill-table {
    font-size: 0.65rem;
  }
}

/* Wind Chill Safety Chart */
.chart-subtitle {
  color: #94a3b8;
  margin-bottom: 1rem;
  font-size: 0.875rem;
}

.safety-chart {
  background: linear-gradient(135deg, #0f172a, #1e293b);
  border-radius: 12px;
  padding: 1.5rem;
  margin: 1rem 0;
}

.safety-table {
  width: 100%;
  border-collapse: collapse;
  border-radius: 12px;
  overflow: hidden;
}

.safety-table th,
.safety-table td {
  padding: 0.5rem;
  text-align: center;
  font-size: 0.875rem;
}

.safety-table th {
  background: #020617;
  color: #f8fafc;
  font-weight: 500;
}

.safety-table td:first-child {
  background: #020617;
  color: #f8fafc;
  font-weight: 500;
}

/* Color zones */
.safety-table td.safe {
  background: #38bdf8;
  color: #0f172a;
}

.safety-table td.cool {
  background: #22c55e;
  color: white;
}

.safety-table td.caution {
  background: #facc15;
  color: #111827;
}

.safety-table td.danger {
  background: #fb923c;
  color: #111827;
}

.safety-table td.extreme {
  background: #ef4444;
  color: white;
}

/* Legend */
.safety-legend {
  margin-top: 1.5rem;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.legend-item {
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  font-size: 0.75rem;
  font-weight: 600;
  color: white;
}

.legend-item.safe {
  background: #38bdf8;
  color: #0f172a;
}

.legend-item.cool {
  background: #22c55e;
}

.legend-item.caution {
  background: #facc15;
  color: #111827;
}

.legend-item.danger {
  background: #fb923c;
  color: #111827;
}

.legend-item.extreme {
  background: #ef4444;
}

.safety-note {
  margin-top: 1.5rem;
  font-size: 0.75rem;
  color: #64748b;
  text-align: center;
}

.wind-chill-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 2px;
  font-size: 0.75rem;
}

.wind-chill-table th,
.wind-chill-table td {
  padding: 0.5rem 0.25rem;
  text-align: center;
  border-radius: 4px;
}

.wind-chill-table th {
  background: #374151;
  color: white;
  font-weight: 600;
}

.wind-chill-table .row-header {
  background: #374151;
  color: white;
  font-weight: 600;
  min-width: 60px;
}

/* Color classes for wind chill values */
.wind-chill-table td.safe {
  background: #d1fae5;
  color: #065f46;
}

.wind-chill-table td.caution {
  background: #fef3c7;
  color: #92400e;
}

.wind-chill-table td.danger {
  background: #fed7aa;
  color: #c2410c;
}

.wind-chill-table td.extreme {
  background: #fecaca;
  color: #b91c1c;
}

/* Chart Legend */
.chart-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 1rem 0;
  justify-content: center;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
}

.legend-color {
  width: 20px;
  height: 20px;
  border-radius: 4px;
}

.legend-color.safe {
  background: #d1fae5;
}

.legend-color.caution {
  background: #fef3c7;
}

.legend-color.danger {
  background: #fed7aa;
}

.legend-color.extreme {
  background: #fecaca;
}

/* Frostbite Chart (Visual Bars) */
.frostbite-chart {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin: 1rem 0;
}

.frostbite-item {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.frostbite-bar {
  width: 100%;
  max-width: 200px;
  height: 36px;
  border-radius: 8px;
  min-width: 100px;
}

.frostbite-bar.safe {
  background: linear-gradient(90deg, #34d399, #10b981);
}

.frostbite-bar.caution {
  background: linear-gradient(90deg, #fbbf24, #f59e0b);
}

.frostbite-bar.danger {
  background: linear-gradient(90deg, #fb923c, #f97316);
}

.frostbite-bar.extreme {
  background: linear-gradient(90deg, #f87171, #ef4444);
}

.frostbite-bar.extreme-dark {
  background: linear-gradient(90deg, #dc2626, #b91c1c);
}

.frostbite-info {
  display: flex;
  flex-direction: column;
}

.frostbite-info strong {
  font-size: 0.875rem;
}

.frostbite-info span {
  font-size: 0.75rem;
  color: var(--foreground-secondary);
}

@media (max-width: 768px) {
  .wind-chill-table {
    font-size: 0.65rem;
  }
  
  .wind-chill-table th,
  .wind-chill-table td {
    padding: 0.25rem;
  }
  
  .chart-legend {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ================= Pension Calculator ================= */
.pension-section {
  scroll-margin-top: 1rem;
}

.pension-desc {
  font-size: 0.9375rem;
  color: var(--muted-foreground);
  margin-bottom: 1.25rem;
  line-height: 1.6;
}

.pension-subsection {
  font-size: 1rem;
  font-weight: 600;
  color: var(--foreground);
  margin: 1.25rem 0 0.75rem;
  padding-bottom: 0.375rem;
  border-bottom: 1px solid var(--border);
}

.pension-result-card {
  background: var(--secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
}

.pension-result-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--foreground);
  margin-bottom: 1rem;
}

.pension-result-comparison {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.pension-result-option {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.625rem 0.75rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  flex-wrap: wrap;
  gap: 0.25rem;
}

.pension-result-option.pension-result-better {
  border-color: hsl(142 70% 45%);
  background: hsla(142 70% 45% / 0.08);
}

.pension-result-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--muted-foreground);
}

.pension-result-value {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--foreground);
}

.pension-result-option.pension-result-better .pension-result-value {
  color: hsl(142 60% 35%);
}

.pension-result-detail {
  width: 100%;
  font-size: 0.8125rem;
  color: var(--muted-foreground);
}

.pension-result-summary {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--foreground);
  margin-bottom: 0.625rem;
}

.pension-result-breakdown {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  line-height: 1.6;
}

.pension-result-breakdown p {
  margin-bottom: 0.25rem;
}

/* Sitemap Styles */
.sitemap-section {
  margin: 2rem 0;
  padding: 1.5rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.sitemap-section h2 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--foreground);
}

.sitemap-section h2 a {
  color: var(--primary);
  text-decoration: none;
}

.sitemap-section h2 a:hover {
  text-decoration: underline;
}

.sitemap-section .subcategory-title {
  font-size: 1rem;
  font-weight: 600;
  margin: 1.25rem 0 0.75rem;
  color: var(--foreground);
  padding-bottom: 0.375rem;
  border-bottom: 1px solid var(--border);
}

.sitemap-section .subcategory-title:first-child {
  margin-top: 0;
}

.sitemap-section .quick-links {
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}