/* ===================================
   Tool: loan-calculator
   =================================== */

  /* Page-specific variables */
  :root {
    --success: #4caf50;
    --success-light: #e8f5e9;
    --warning: #ff9800;
    --warning-light: #fff3e0;
    --info: #2196f3;
    --info-light: #e3f2fd;
  }

  .tool-hero .container {
    max-width: 800px;
  }

  /* Main Layout */

  .main-grid {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: var(--space-xl);
  }

  @media (max-width: 1024px) {
    .main-grid {
      grid-template-columns: 1fr;
    }
  }

  /* Cards */
  .card {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
  }

  .card:hover {
    box-shadow: var(--shadow-md);
  }

  .card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
  }

  .card-title {
    font-size: 1rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
  }

  /* Result Panel */
  .result-panel {
    position: sticky;
    top: 100px;
  }

  .result-card {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
    color: white;
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    margin-bottom: var(--space-lg);
    box-shadow: var(--shadow-lg);
    position: relative;
  }
  
  .result-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0,0,0,0.05) 0%, rgba(0,0,0,0.1) 100%);
    border-radius: var(--radius-xl);
    pointer-events: none;
  }

  .result-label {
    font-size: 0.9rem;
    color: #FFFFFF !important;
    margin-bottom: var(--space-sm);
  }

  .result-value {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--space-md);
    position: relative;
    z-index: 1;
    text-shadow: 0 2px 4px rgba(0,0,0,0.15);
  }

  .result-value small {
    font-size: 1.2rem;
    font-weight: 500;
  }

  .result-sub {
    display: flex;
    justify-content: space-between;
    background: rgba(255,255,255,0.15);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    margin-bottom: var(--space-md);
  }

  .result-sub-item {
    text-align: center;
  }

  .result-sub-label {
    font-size: 0.75rem;
    opacity: 0.9;
    font-weight: 600;
    letter-spacing: 0.02em;
    margin-bottom: 4px;
  }

  .result-sub-value {
    font-size: 1.3rem;
    font-weight: 700;
    text-shadow: 0 1px 3px rgba(0,0,0,0.1);
  }

  .income-guide {
    background: rgba(255,255,255,0.35);
    border-radius: var(--radius-md);
    padding: var(--space-sm) var(--space-md);
    font-size: 0.85rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.25);
    position: relative;
    z-index: 1;
  }
  
  .income-guide span:first-child {
    opacity: 0.95;
    font-weight: 500;
    text-shadow: 0 1px 2px rgba(0,0,0,0.1);
  }
  
  .income-guide strong {
    font-weight: 700;
    font-size: 0.95rem;
    text-shadow: 0 1px 2px rgba(0,0,0,0.15);
  }

  /* Input Groups */
  .input-group {
    margin-bottom: var(--space-lg);
  }

  .input-label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
  }

  .input-label .icon {
    font-size: 1.1rem;
  }

  .input-wrapper {
    position: relative;
  }

  .input-field {
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    padding-right: 60px;
    font-family: var(--font-main);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
  }

  .input-field:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 4px var(--accent-light);
  }

  .input-unit {
    position: absolute;
    right: var(--space-lg);
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
  }

  .input-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 8px;
    background: var(--brown-100);
    border-radius: 4px;
    margin-top: var(--space-md);
    outline: none;
  }

  .input-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    background: var(--accent);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(198, 123, 78, 0.4);
    transition: transform var(--transition-fast);
  }

  .input-slider::-webkit-slider-thumb:hover {
    transform: scale(1.15);
  }

  .input-slider::-moz-range-thumb {
    width: 24px;
    height: 24px;
    background: var(--accent);
    border-radius: 50%;
    cursor: pointer;
    border: none;
  }

  .slider-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: var(--space-xs);
  }

  /* Toggle Buttons */
  .toggle-group {
    display: flex;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: 4px;
    gap: 4px;
  }

  .toggle-btn {
    flex: 1;
    padding: var(--space-sm) var(--space-md);
    font-family: var(--font-main);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
  }

  .toggle-btn:hover {
    color: var(--text-secondary);
  }

  .toggle-btn.active {
    background: var(--bg-primary);
    color: var(--accent);
    box-shadow: var(--shadow-sm);
  }

  /* Accordion */
  .accordion {
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: var(--space-lg);
  }

  .accordion-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
  }

  .accordion-header:hover {
    background: var(--brown-100);
  }

  .accordion-title {
    font-size: 0.9rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
  }

  .accordion-icon {
    transition: transform var(--transition-fast);
  }

  .accordion.open .accordion-icon {
    transform: rotate(180deg);
  }

  .accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
  }

  .accordion.open .accordion-content {
    max-height: 500px;
  }

  .accordion-body {
    padding: var(--space-lg);
  }

  /* Charts Section */
  .charts-section {
    margin-top: var(--space-xl);
  }

  .chart-container {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    margin-bottom: var(--space-lg);
  }

  .chart-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
  }

  .chart-wrapper {
    position: relative;
    height: 300px;
  }

  .donut-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    pointer-events: none;
  }

  .donut-label {
    font-size: 0.75rem;
    color: var(--text-muted);
  }

  .donut-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
  }

  /* Schedule Table */
  .schedule-section {
    margin-top: var(--space-xl);
  }

  .schedule-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
    gap: var(--space-md);
  }

  .schedule-title {
    font-size: 1.1rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
  }

  .schedule-actions {
    display: flex;
    gap: var(--space-sm);
  }

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

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

  .schedule-table th,
  .schedule-table td {
    padding: var(--space-md) var(--space-lg);
    text-align: right;
    border-bottom: 1px solid var(--border-color);
  }

  .schedule-table th {
    background: var(--bg-secondary);
    font-weight: 600;
    color: var(--text-secondary);
    position: sticky;
    top: 0;
  }

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

  .schedule-table tr:hover td {
    background: var(--brown-50);
  }

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

  .table-highlight {
    background: var(--accent-light) !important;
    font-weight: 600;
  }

  /* Comparison Section */
  .comparison-section {
    margin-top: var(--space-xl);
  }

  .comparison-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
  }

  .comparison-card {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: var(--space-lg);
    border: 2px solid var(--border-color);
    transition: all var(--transition-fast);
  }

  .comparison-card:hover {
    border-color: var(--accent);
  }

  .comparison-card.recommended {
    border-color: var(--success);
    position: relative;
  }

  .comparison-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--success);
    color: white;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
  }

  .comparison-header {
    text-align: center;
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--border-color);
  }

  .comparison-title {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: var(--space-xs);
  }

  .comparison-rate {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
  }

  .comparison-item {
    display: flex;
    justify-content: space-between;
    padding: var(--space-sm) 0;
  }

  .comparison-label {
    color: var(--text-secondary);
    font-size: 0.85rem;
  }

  .comparison-value {
    font-weight: 600;
  }

  .comparison-diff {
    font-size: 0.8rem;
    color: var(--success);
  }

  .comparison-diff.negative {
    color: var(--warning);
  }

  /* Usage Guide */
  .usage-section {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    margin-top: var(--space-2xl);
  }

  .usage-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
    margin-top: var(--space-lg);
  }

  @media (max-width: 768px) {
    .usage-grid {
      grid-template-columns: 1fr;
    }
  }

  .usage-item {
    background: var(--bg-card);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    border: 1px solid var(--border-light);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
  }
  .usage-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  }

  .usage-title {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
  }

  .usage-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.7;
  }

  /* Trivia Section */
  .trivia-section {
    background: linear-gradient(135deg, var(--brown-50) 0%, var(--bg-card) 100%);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    margin-top: var(--space-xl);
  }

  .trivia-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
    margin-top: var(--space-lg);
  }

  @media (max-width: 768px) {
    .trivia-grid {
      grid-template-columns: 1fr;
    }
  }

  .trivia-item {
    background: var(--bg-primary);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
  }

  .trivia-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: var(--space-sm);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
  }

  .trivia-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.7;
  }

  /* Info Badge */
  .info-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    background: var(--info-light);
    color: var(--info);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
  }

  .warning-badge {
    background: var(--warning-light);
    color: var(--warning);
  }

  .success-badge {
    background: var(--success-light);
    color: var(--success);
  }

  /* Animations */
  @keyframes fadeInUp {
    from {
      opacity: 0;
      transform: translateY(20px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  @keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.02); }
  }

  .animate-in {
    animation: fadeInUp 0.5s ease-out;
  }

  .pulse {
    animation: pulse 0.3s ease-out;
  }

  /* Responsive */
  @media (max-width: 768px) {
    .result-panel {
      position: static;
    }

    .result-value {
      font-size: 2.5rem;
    }

    .main-grid {
      display: flex;
      flex-direction: column-reverse;
    }
  }

  /* Tooltip */
  .tooltip {
    position: relative;
    cursor: help;
  }

  .tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--brown-700);
    color: white;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-fast);
    z-index: 10;
  }

  .tooltip:hover::after {
    opacity: 1;
  }
}

/* 免責事項 */
.disclaimer-section {
  max-width: 900px;
  margin: var(--space-xl) auto;
  padding: 0 var(--space-md);
}

.disclaimer-box {
  background: var(--bg-secondary);
  border-left: 4px solid var(--text-muted);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}

.disclaimer-box h3 {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}

.disclaimer-box p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-sm);
}

.disclaimer-box p:last-child {
  margin-bottom: 0;
}