frontend/src/index.css

@tailwind base;
@tailwind components;
@tailwind utilities;

@layer base {
  html {
    -webkit-tap-highlight-color: transparent;
  }

  body {
    min-height: 100vh;
    background: #ffffff;
    color: #1b1e2d;
    font-family: '"Space Grotesk"', system-ui, sans-serif;
    font-size: 14px;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-feature-settings: "kern";
    margin: 0;
  }

  h1, h2, h3 {
    font-family: '"Source Serif 4"', '"Noto Serif Tamil"', Georgia, serif;
    font-weight: 400;
    color: #1b1e2d;
    letter-spacing: -0.005em;
  }

  h4, h5, h6 {
    font-family: '"Space Grotesk"', system-ui, sans-serif;
    font-weight: 600;
    color: #1b1e2d;
  }

  h1 { font-size: 44px; line-height: 52px; }
  h2 { font-size: 32px; line-height: 40px; }
  h3 { font-size: 22px; line-height: 30px; }

  p, li, td, span, label {
    color: #606373;
  }

  /* Custom scrollbar */
  ::-webkit-scrollbar {
    width: 6px;
    height: 6px;
  }
  ::-webkit-scrollbar-track { background: transparent; }
  ::-webkit-scrollbar-thumb {
    background: #e8e5e1;
    border-radius: 2px;
  }
  ::-webkit-scrollbar-thumb:hover { background: #c4bfb6; }

  /* Recharts baseline typography */
  .recharts-text { font-family: '"Space Grotesk"', system-ui, sans-serif; }
}

@layer components {
  /* ── Layout ── */
  .column {
    max-width: 1060px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 48px;
    padding-right: 48px;
  }

  @media (max-width: 768px) {
    .column {
      padding-left: 20px;
      padding-right: 20px;
    }
  }

  /* ── Eyebrow ── */
  .eyebrow {
    font-family: '"Space Grotesk"', system-ui, sans-serif;
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: #606373;
  }

  /* ── Metric pattern ── */
  .metric-number {
    font-family: '"Source Serif 4"', Georgia, serif;
    font-size: 38px;
    line-height: 44px;
    font-weight: 400;
    color: #1b1e2d;
    font-variant-numeric: tabular-nums;
    font-feature-settings: "tnum";
  }

  .metric-label {
    font-family: '"Space Grotesk"', system-ui, sans-serif;
    font-size: 12px;
    font-weight: 400;
    color: #606373;
    letter-spacing: 0.01em;
    border-top: 1px solid #e8e5e1;
    padding-top: 8px;
    margin-top: 12px;
  }

  .metric-delta {
    font-size: 12px;
    font-style: italic;
    color: #606373;
    margin-top: 6px;
  }

  /* Legacy alias (used by MetricCard component wrapper) */
  .metric-card {
    background: transparent;
    border: none;
    padding: 0;
  }
  .metric-card .metric-value {
    font-family: '"Source Serif 4"', Georgia, serif;
    font-size: 38px;
    line-height: 44px;
    font-weight: 400;
    color: #1b1e2d;
    font-variant-numeric: tabular-nums;
    font-feature-settings: "tnum";
  }

  /* ── Editorial table ── */
  .etable {
    width: 100%;
    border-collapse: collapse;
    border-top: 1px solid #e8e5e1;
    border-bottom: 1px solid #e8e5e1;
    font-family: '"Space Grotesk"', system-ui, sans-serif;
  }

  .etable thead th {
    font-size: 11px;
    font-weight: 500;
    color: #606373;
    text-transform: none;
    letter-spacing: 0.04em;
    text-align: left;
    padding: 14px 14px 12px 14px;
    border-bottom: 1px solid #e8e5e1;
    background: transparent;
  }

  .etable tbody td {
    font-size: 14px;
    font-weight: 400;
    color: #1b1e2d;
    padding: 12px 14px;
    border-bottom: 1px solid #f2efeb;
    vertical-align: top;
  }

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

  .etable tbody tr:hover {
    background: #fcfaf7;
  }

  .etable .num,
  .etable td.num {
    font-variant-numeric: tabular-nums;
    font-feature-settings: "tnum";
  }

  /* ── Buttons ── */
  .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: '"Space Grotesk"', system-ui, sans-serif;
    font-size: 14px;
    font-weight: 600;
    background: #fcfaf7;
    color: #1b1e2d;
    border: 1px solid #e8e5e1;
    border-radius: 4px;
    padding: 8px 24px;
    cursor: pointer;
    text-decoration: none;
    transition: background-color 0.15s ease;
  }
  .btn-primary:hover { background: #f0ece6; }
  .btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }

  .btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: '"Space Grotesk"', system-ui, sans-serif;
    font-size: 14px;
    font-weight: 500;
    background: #ffffff;
    color: #606373;
    border: 1px solid #e8e5e1;
    border-radius: 4px;
    padding: 8px 16px;
    cursor: pointer;
    transition: background-color 0.15s ease;
  }
  .btn-secondary:hover { background: #fcfaf7; color: #1b1e2d; }

  /* Legacy alias */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: '"Space Grotesk"', system-ui, sans-serif;
    font-size: 14px;
    font-weight: 500;
    border-radius: 4px;
    padding: 8px 16px;
    cursor: pointer;
    transition: background-color 0.15s ease;
  }

  /* ── Text link ── */
  .text-link {
    font-family: '"Space Grotesk"', system-ui, sans-serif;
    font-size: 14px;
    font-weight: 600;
    color: #446b26;
    text-decoration: none;
    text-underline-offset: 4px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0;
  }
  .text-link:hover { text-decoration: underline; }

  /* ── Chip ── */
  .chip {
    display: inline-flex;
    align-items: center;
    font-family: '"Space Grotesk"', system-ui, sans-serif;
    font-size: 13px;
    font-weight: 500;
    color: #606373;
    background: transparent;
    border: 1px solid #e8e5e1;
    border-radius: 4px;
    padding: 6px 12px;
    cursor: pointer;
    transition: color 0.15s ease, border-color 0.15s ease;
  }
  .chip:hover { color: #1b1e2d; }
  .chip.active {
    color: #446b26;
    border-color: #446b26;
  }

  /* ── Input ── */
  .input {
    display: block;
    width: 100%;
    background: #ffffff;
    border: 1px solid #e8e5e1;
    border-radius: 4px;
    padding: 8px 12px;
    font-family: '"Space Grotesk"', system-ui, sans-serif;
    font-size: 14px;
    color: #1b1e2d;
    outline: none;
    transition: border-color 0.15s ease;
  }
  .input::placeholder { color: #8d909e; }
  .input:focus { border-color: #446b26; }

  /* ── Card (stripped of chrome) ── */
  .card {
    background: #ffffff;
    border: 1px solid #e8e5e1;
    border-radius: 4px;
  }
  .card-body {
    padding: 20px;
  }

  /* ── Page title ── */
  .page-title {
    font-family: '"Source Serif 4"', '"Noto Serif Tamil"', Georgia, serif;
    font-size: 28px;
    line-height: 34px;
    font-weight: 400;
    color: #1b1e2d;
    margin: 0;
    letter-spacing: -0.01em;
  }

  .page-caption {
    font-family: '"Space Grotesk"', system-ui, sans-serif;
    font-size: 14px;
    line-height: 1.55;
    color: #606373;
    margin-top: 10px;
  }

  /* ── Tabs (underline style) ── */
  .tab-list {
    display: flex;
    gap: 0;
    border-bottom: 1px solid #e8e5e1;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .tab-list::-webkit-scrollbar { display: none; }

  .tab-item {
    padding: 10px 18px;
    font-family: '"Space Grotesk"', system-ui, sans-serif;
    font-size: 13px;
    font-weight: 500;
    color: #606373;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    white-space: nowrap;
    flex-shrink: 0;
    transition: color 0.15s ease, border-color 0.15s ease;
  }
  .tab-item:hover { color: #1b1e2d; }
  .tab-item.active {
    color: #446b26;
    border-bottom-color: #446b26;
  }

  /* ── Section headers ── */
  .section-header {
    font-family: '"Space Grotesk"', system-ui, sans-serif;
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: #606373;
    padding-bottom: 8px;
    margin-bottom: 16px;
    border-bottom: 1px solid #e8e5e1;
    display: block;
  }

  /* ── Legacy badge aliases, rewritten as plain text w/ color ── */
  .badge {
    display: inline-flex;
    align-items: center;
    font-family: '"Space Grotesk"', system-ui, sans-serif;
    font-size: 12px;
    font-weight: 500;
  }
  .badge-green { color: #4a7c59; background: transparent; border: none; padding: 0; }
  .badge-amber { color: #446b26; background: transparent; border: none; padding: 0; }
  .badge-red { color: #c71f48; background: transparent; border: none; padding: 0; }
  .badge-blue { color: #1b1e2d; background: transparent; border: none; padding: 0; }
  .badge-slate { color: #606373; background: transparent; border: none; padding: 0; }
  .badge-orange { color: #446b26; background: transparent; border: none; padding: 0; }
  .badge-dark-orange { color: #2d4a1a; background: transparent; border: none; padding: 0; }
  .badge-purple { color: #606373; background: transparent; border: none; padding: 0; }
  .badge-teal { color: #446b26; background: transparent; border: none; padding: 0; }

  /* ── Table container alias (for legacy) ── */
  .table-container {
    border-top: 1px solid #e8e5e1;
    border-bottom: 1px solid #e8e5e1;
    background: transparent;
    overflow-x: auto;
  }
  .table-container table {
    width: 100%;
    border-collapse: collapse;
    font-family: '"Space Grotesk"', system-ui, sans-serif;
  }
  .table-container thead th {
    font-size: 11px;
    font-weight: 500;
    color: #606373;
    letter-spacing: 0.04em;
    text-align: left;
    padding: 14px 14px 12px 14px;
    background: transparent;
    border-bottom: 1px solid #e8e5e1;
  }
  .table-container tbody td {
    font-size: 14px;
    color: #1b1e2d;
    padding: 12px 14px;
    border-bottom: 1px solid #f2efeb;
    vertical-align: top;
  }
  .table-container tbody tr:last-child td { border-bottom: none; }
  .table-container tbody tr:hover { background: #fcfaf7; }

  /* ── Loading skeletons ── */
  .skeleton {
    border-radius: 4px;
    background: linear-gradient(90deg, #f8f6f2 25%, #f2efeb 50%, #f8f6f2 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s ease-in-out infinite;
  }
  .skeleton-text {
    border-radius: 2px;
    height: 14px;
    background: linear-gradient(90deg, #f8f6f2 25%, #f2efeb 50%, #f8f6f2 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s ease-in-out infinite;
  }
  .skeleton-title {
    border-radius: 2px;
    height: 32px;
    width: 60%;
    background: linear-gradient(90deg, #f8f6f2 25%, #f2efeb 50%, #f8f6f2 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s ease-in-out infinite;
  }
  .skeleton-card {
    border-radius: 4px;
    height: 100px;
    background: linear-gradient(90deg, #f8f6f2 25%, #f2efeb 50%, #f8f6f2 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s ease-in-out infinite;
  }
  .skeleton-metric {
    border-radius: 4px;
    height: 88px;
    background: linear-gradient(90deg, #f8f6f2 25%, #f2efeb 50%, #f8f6f2 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s ease-in-out infinite;
  }
  .skeleton-chart {
    border-radius: 4px;
    background: linear-gradient(90deg, #f8f6f2 25%, #f2efeb 50%, #f8f6f2 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s ease-in-out infinite;
  }
}

@layer utilities {
  .font-serif {
    font-family: '"Source Serif 4"', '"Noto Serif Tamil"', Georgia, serif;
  }
  .font-sans {
    font-family: '"Space Grotesk"', system-ui, sans-serif;
  }

  .animate-fade-in {
    animation: fadeIn 0.2s ease-out;
  }

  .animate-slide-up {
    animation: slideUp 0.3s ease-out both;
  }

  .animate-stagger > * {
    animation: slideUp 0.3s ease-out both;
  }
  .animate-stagger > *:nth-child(1) { animation-delay: 0ms; }
  .animate-stagger > *:nth-child(2) { animation-delay: 50ms; }
  .animate-stagger > *:nth-child(3) { animation-delay: 100ms; }
  .animate-stagger > *:nth-child(4) { animation-delay: 150ms; }
  .animate-stagger > *:nth-child(5) { animation-delay: 200ms; }
  .animate-stagger > *:nth-child(6) { animation-delay: 250ms; }

  .animate-tab-enter {
    animation: tabEnter 0.18s ease-out both;
  }

  @keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
  }

  @keyframes slideUp {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
  }

  @keyframes tabEnter {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
  }

  @keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
  }
}

/* Joyride tooltip overrides */
.__floater__body {
  font-family: '"Space Grotesk"', system-ui, sans-serif !important;
}
.react-joyride__tooltip {
  font-family: '"Space Grotesk"', system-ui, sans-serif !important;
  border-radius: 4px !important;
}

/* Leaflet attribution */
.leaflet-container .leaflet-control-attribution {
  font-size: 11px !important;
  color: #606373 !important;
  background: rgba(255, 255, 255, 0.9) !important;
  padding: 2px 6px !important;
  font-family: '"Space Grotesk"', system-ui, sans-serif !important;
}
.leaflet-container .leaflet-control-attribution a {
  color: #446b26 !important;
}