/* ====================================================================
   Withholding Tax Calculator - Tool Specific Styles
   源泉徴収税計算ツール固有のスタイル
   ==================================================================== */

/* Input Overrides
   ========================================================================== */
.input-with-unit {
  gap: 8px;
}

.input-with-unit .form-input {
  flex: 1;
  text-align: right;
  font-size: 20px;
  font-weight: 600;
}

.input-unit {
  position: static;
  font-size: 16px;
  min-width: 24px;
  pointer-events: auto;
}

/* Tax Option Group
   ========================================================================== */
.tax-option-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.tax-option-label {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border: 1px solid #E5E7EB;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.tax-option-label:hover {
  border-color: var(--tool-primary);
  background: var(--tool-primary-light);
}

.tax-option-label input[type="radio"] {
  accent-color: var(--tool-primary);
}

.tax-option-label.selected {
  border-color: var(--tool-primary);
  background: var(--tool-primary-light);
}

.tax-rate-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 12px;
  padding: 12px;
  background: #f5f5f5;
  border-radius: 8px;
}

.tax-rate-row label {
  font-weight: 500;
}

.tax-rate-row select {
  padding: 8px 12px;
  border: 1px solid #E5E7EB;
  border-radius: 6px;
  font-size: 14px;
}

/* Result Breakdown
   ========================================================================== */
.result-breakdown {
  background: #f9f9f9;
  border-radius: 12px;
  padding: 20px;
}

.result-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid #E5E7EB;
}

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

.result-row.subtotal {
  border-top: 2px solid #333;
  margin-top: 8px;
  padding-top: 16px;
}

.result-row.withholding {
  color: #d32f2f;
}

.result-row.net-amount {
  background: var(--tool-primary-light);
  margin: 12px -20px -20px;
  padding: 20px;
  border-radius: 0 0 12px 12px;
}

.result-label {
  font-size: 14px;
  color: #666;
}

.result-value {
  font-size: 18px;
  font-weight: 600;
  font-family: 'Courier New', monospace;
}

.result-row.net-amount .result-label {
  color: var(--tool-primary-dark);
  font-weight: 600;
  font-size: 16px;
}

.result-row.net-amount .result-value {
  color: var(--tool-primary);
  font-size: 24px;
}

.result-row.withholding .result-value::before {
  content: "\25B3";
  margin-right: 4px;
}

/* Calculation Detail
   ========================================================================== */
.calculation-toggle {
  margin-top: 16px;
  text-align: center;
}

.calculation-toggle button {
  background: none;
  border: none;
  color: var(--tool-primary);
  cursor: pointer;
  font-size: 14px;
  text-decoration: underline;
}

.calculation-detail {
  display: none;
  margin-top: 16px;
  padding: 16px;
  background: #fff;
  border: 1px solid #E5E7EB;
  border-radius: 8px;
  font-family: 'Courier New', monospace;
  font-size: 13px;
  line-height: 1.8;
}

.calculation-detail.visible {
  display: block;
}

.calculation-detail .calc-note {
  color: #666;
  font-style: italic;
  margin-bottom: 8px;
}

.calculation-detail .calc-step {
  padding: 4px 0;
}

.calculation-detail .calc-highlight {
  background: #fff3cd;
  padding: 2px 6px;
  border-radius: 4px;
}

/* Disclaimer
   ========================================================================== */
.disclaimer {
  margin-top: 16px;
  padding: 12px;
  background: #fff8e1;
  border-left: 4px solid #ffc107;
  border-radius: 4px;
  font-size: 13px;
  color: #5d4037;
}

/* Quick Reference Table
   ========================================================================== */
.quick-reference {
  margin-top: 24px;
}

.quick-reference h3 {
  font-size: 16px;
  margin-bottom: 12px;
  color: #333;
}

.reference-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.reference-table th,
.reference-table td {
  padding: 10px 12px;
  text-align: right;
  border: 1px solid #E5E7EB;
}

.reference-table th {
  background: #f5f5f5;
  font-weight: 600;
  text-align: center;
}

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

.reference-table tr:hover {
  background: var(--tool-primary-light);
}

/* Responsive
   ========================================================================== */
@media (max-width: 768px) {
  .result-row.net-amount {
    flex-direction: column;
    text-align: center;
    gap: 8px;
  }

  .reference-table {
    font-size: 12px;
  }

  .reference-table th,
  .reference-table td {
    padding: 8px 6px;
  }
}