/**
 * Amortization Table Styles
 * Shared styles for loan amortization tables across all calculators
 * Follows Digital Calculator design system
 *
 * Features:
 * - WCAG 2.1 AA compliant
 * - Mobile-first responsive design
 * - Collapsible yearly views
 * - Print-friendly
 */

/* ========================================
   Base Table Styles
   ======================================== */

.amortization-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-lg, 1.5rem) 0;
  background: var(--bg-card, #ffffff);
  border-radius: var(--radius, 0.5rem);
  overflow: hidden;
  border: 1px solid var(--border, #e5e7eb);
  font-size: 0.9375rem;
}

.amortization-table caption.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.amortization-table thead {
  background: var(--bg-section, #f3f4f6);
  position: sticky;
  top: 0;
  z-index: 1;
}

.amortization-table th {
  padding: var(--space-md, 1rem);
  text-align: left;
  font-weight: 600;
  color: var(--text-primary, #111827);
  font-size: 0.875rem;
  border-bottom: 2px solid var(--border, #e5e7eb);
  white-space: nowrap;
}

.amortization-table th:first-child {
  width: 60px;
  text-align: center;
}

.amortization-table td {
  padding: var(--space-md, 1rem);
  text-align: left;
  color: var(--text-secondary, #525252);
  border-bottom: 1px solid var(--border, #e5e7eb);
}

.amortization-table td:first-child {
  text-align: center;
  font-weight: 500;
  color: var(--text-primary, #111827);
}

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

.amortization-table tbody tr:hover {
  background: var(--bg-section, #f3f4f6);
}

/* ========================================
   Collapsible Yearly View
   ======================================== */

.amortization-year-header {
  background: var(--primary-light, #eff6ff);
  cursor: pointer;
  transition: background 0.2s ease;
}

.amortization-year-header:hover,
.amortization-year-header:focus {
  background: #dbeafe;
  outline: none;
}

.amortization-year-header:focus-visible {
  outline: 2px solid var(--primary, #2563eb);
  outline-offset: -2px;
}

.amortization-year-header td {
  padding: var(--space-md, 1rem);
  font-weight: 500;
  color: var(--text-primary, #111827);
  border-bottom: 1px solid var(--border, #e5e7eb);
}

.amortization-year-toggle {
  display: inline-block;
  width: 1.25rem;
  text-align: center;
  margin-right: var(--space-xs, 0.5rem);
  color: var(--primary, #2563eb);
  font-size: 0.75rem;
  transition: transform 0.2s ease;
}

.amortization-year-header[aria-expanded="true"] .amortization-year-toggle {
  transform: rotate(90deg);
}

.amortization-year-summary {
  font-weight: 400;
  color: var(--text-secondary, #525252);
  font-size: 0.875rem;
  margin-left: var(--space-sm, 0.75rem);
}

.amortization-detail-row {
  background: var(--bg-card, #ffffff);
}

.amortization-detail-row:hover {
  background: var(--bg-section, #f3f4f6);
}

/* ========================================
   Pagination Controls
   ======================================== */

.amortization-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md, 1rem);
  padding: var(--space-md, 1rem);
  background: var(--bg-section, #f3f4f6);
  border-top: 1px solid var(--border, #e5e7eb);
}

.pagination-btn {
  padding: var(--space-xs, 0.5rem) var(--space-md, 1rem);
  background: var(--bg-card, #ffffff);
  border: 1px solid var(--border, #e5e7eb);
  border-radius: var(--radius, 0.5rem);
  color: var(--primary, #2563eb);
  font-weight: 500;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.pagination-btn:hover:not(:disabled) {
  background: var(--primary-light, #eff6ff);
  border-color: var(--primary, #2563eb);
}

.pagination-btn:focus-visible {
  outline: 2px solid var(--primary, #2563eb);
  outline-offset: 2px;
}

.pagination-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  color: var(--text-tertiary, #6b7280);
}

.pagination-info {
  font-size: 0.875rem;
  color: var(--text-secondary, #525252);
  font-weight: 500;
}

/* ========================================
   Export Button
   ======================================== */

.amortization-export {
  display: flex;
  justify-content: flex-end;
  padding: var(--space-md, 1rem) 0;
}

.export-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs, 0.5rem);
  padding: var(--space-xs, 0.5rem) var(--space-md, 1rem);
  background: var(--bg-card, #ffffff);
  border: 1px solid var(--border, #e5e7eb);
  border-radius: var(--radius, 0.5rem);
  color: var(--text-secondary, #525252);
  font-weight: 500;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.export-btn:hover {
  background: var(--bg-section, #f3f4f6);
  color: var(--text-primary, #111827);
  border-color: var(--text-tertiary, #6b7280);
}

.export-btn:focus-visible {
  outline: 2px solid var(--primary, #2563eb);
  outline-offset: 2px;
}

/* ========================================
   Mobile Responsive Styles
   ======================================== */

@media (max-width: 768px) {
  .amortization-table {
    font-size: 0.8125rem;
  }

  .amortization-table th,
  .amortization-table td {
    padding: var(--space-sm, 0.75rem) var(--space-xs, 0.5rem);
  }

  .amortization-table th:first-child {
    width: 45px;
  }

  /* Hide less important columns on mobile */
  .amortization-table th:nth-child(7),
  .amortization-table td:nth-child(7),
  .amortization-table th:nth-child(8),
  .amortization-table td:nth-child(8) {
    display: none;
  }

  .amortization-year-summary {
    display: block;
    margin-left: 1.75rem;
    margin-top: var(--space-xs, 0.5rem);
    font-size: 0.75rem;
  }

  .amortization-pagination {
    flex-wrap: wrap;
    gap: var(--space-xs, 0.5rem);
  }

  .pagination-btn {
    padding: var(--space-xs, 0.5rem);
    font-size: 0.8125rem;
  }
}

/* Extra small screens - card-based view */
@media (max-width: 480px) {
  /* Convert to card layout on very small screens */
  .amortization-table thead {
    display: none;
  }

  .amortization-table,
  .amortization-table tbody {
    display: block;
  }

  .amortization-table tbody tr {
    display: block;
    margin-bottom: var(--space-sm, 0.75rem);
    padding: var(--space-md, 1rem);
    background: var(--bg-card, #ffffff);
    border: 1px solid var(--border, #e5e7eb);
    border-radius: var(--radius, 0.5rem);
  }

  .amortization-table tbody tr:hover {
    background: var(--bg-card, #ffffff);
    box-shadow: var(--shadow, 0 1px 3px 0 rgba(0, 0, 0, 0.1));
  }

  .amortization-table td {
    display: flex;
    justify-content: space-between;
    padding: var(--space-xs, 0.5rem) 0;
    border-bottom: 1px solid var(--border, #e5e7eb);
  }

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

  .amortization-table td::before {
    content: attr(data-label);
    font-weight: 600;
    color: var(--text-primary, #111827);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.025em;
  }

  .amortization-table td:first-child {
    text-align: left;
    font-size: 0.9375rem;
    padding-bottom: var(--space-sm, 0.75rem);
    border-bottom: 2px solid var(--primary-light, #eff6ff);
  }

  /* Year header in card view */
  .amortization-year-header td {
    display: block;
    padding: var(--space-md, 1rem);
  }

  .amortization-year-summary {
    display: block;
    margin-left: 0;
    margin-top: var(--space-sm, 0.75rem);
  }
}

/* ========================================
   Print Styles
   ======================================== */

@media print {
  .amortization-table {
    font-size: 9pt;
    border: 1px solid #ccc;
  }

  .amortization-table th,
  .amortization-table td {
    padding: 4px 8px;
    border: 1px solid #ddd;
  }

  .amortization-table thead {
    background: #f5f5f5 !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .amortization-table th {
    background: #f5f5f5 !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .amortization-table tbody tr {
    page-break-inside: avoid;
  }

  /* Show all detail rows when printing */
  .amortization-detail-row {
    display: table-row !important;
  }

  .amortization-detail-row[hidden] {
    display: table-row !important;
  }

  /* Hide year toggle icons */
  .amortization-year-toggle {
    display: none;
  }

  /* Hide pagination and export */
  .amortization-pagination,
  .amortization-export {
    display: none !important;
  }
}

/* ========================================
   Accessibility Enhancements
   ======================================== */

/* High contrast mode support */
@media (prefers-contrast: high) {
  .amortization-table {
    border: 2px solid currentColor;
  }

  .amortization-table th,
  .amortization-table td {
    border: 1px solid currentColor;
  }

  .amortization-year-header {
    border: 2px solid currentColor;
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  .amortization-year-toggle,
  .pagination-btn,
  .export-btn {
    transition: none;
  }
}

/* Focus visible for keyboard navigation */
.amortization-table tbody tr:focus-visible {
  outline: 2px solid var(--primary, #2563eb);
  outline-offset: -2px;
}