/* ---------- theme tokens (light default, dark via OS or toggle) ---------- */
:root {
  color-scheme: light;
  --surface: #fcfcfb;
  --plane: #f9f9f7;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #898781;
  --grid: #e1e0d9;
  --baseline: #c3c2b7;
  --border: rgba(11, 11, 11, 0.10);
  --accent: #2a78d6;
  --accent-ink: #1c5cab;
  --nodata: #e8e7e2;
  --shadow: 0 2px 10px rgba(11,11,11,0.10);
}
@media (prefers-color-scheme: dark) {
  :root:where(:not([data-theme="light"])) {
    color-scheme: dark;
    --surface: #1a1a19;
    --plane: #0d0d0d;
    --ink: #ffffff;
    --ink-2: #c3c2b7;
    --muted: #898781;
    --grid: #2c2c2a;
    --baseline: #383835;
    --border: rgba(255, 255, 255, 0.10);
    --accent: #3987e5;
    --accent-ink: #86b6ef;
    --nodata: #2c2c2a;
    --shadow: 0 2px 12px rgba(0,0,0,0.5);
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --surface: #1a1a19;
  --plane: #0d0d0d;
  --ink: #ffffff;
  --ink-2: #c3c2b7;
  --muted: #898781;
  --grid: #2c2c2a;
  --baseline: #383835;
  --border: rgba(255, 255, 255, 0.10);
  --accent: #3987e5;
  --accent-ink: #86b6ef;
  --nodata: #2c2c2a;
  --shadow: 0 2px 12px rgba(0,0,0,0.5);
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  font: 14px/1.45 system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--plane);
  display: flex; flex-direction: column;
}

/* ------------------------------------------------------------- header */
.topbar {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  padding: 8px 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--grid);
  z-index: 30;
}
.brand h1 { font-size: 16px; font-weight: 650; margin: 0; }
.brand .sub { font-size: 11.5px; color: var(--muted); }
.tabs { display: flex; gap: 2px; background: var(--plane); border-radius: 8px; padding: 2px; }
.tab {
  border: 0; background: transparent; color: var(--ink-2);
  font: inherit; font-weight: 500; padding: 5px 12px; border-radius: 6px; cursor: pointer;
}
.tab.active { background: var(--surface); color: var(--ink); box-shadow: 0 1px 2px rgba(0,0,0,.12); }
.topbar-right { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.icon-btn {
  border: 1px solid var(--grid); background: var(--surface); color: var(--ink-2);
  border-radius: 8px; width: 30px; height: 30px; cursor: pointer; font-size: 14px;
}
.icon-btn:hover { color: var(--ink); }

/* search */
.search { position: relative; }
#search-input {
  width: 220px; padding: 6px 10px; font: inherit;
  border: 1px solid var(--grid); border-radius: 8px;
  background: var(--surface); color: var(--ink);
}
.search-results {
  position: absolute; top: 34px; left: 0; right: 0; z-index: 60;
  margin: 0; padding: 4px; list-style: none;
  background: var(--surface); border: 1px solid var(--grid); border-radius: 8px;
  box-shadow: var(--shadow); max-height: 320px; overflow-y: auto;
}
.search-results li { padding: 6px 8px; border-radius: 6px; cursor: pointer; }
.search-results li .hint { color: var(--muted); font-size: 11.5px; margin-left: 6px; }
.search-results li:hover, .search-results li.focused { background: var(--plane); }

/* ------------------------------------------------------------- views */
main { flex: 1; min-height: 0; display: flex; }
.view { display: none; flex: 1; min-height: 0; position: relative; }
.view.active { display: block; }

/* ------------------------------------------------------------- map */
#map { position: absolute; inset: 0; background: var(--plane); }
.map-controls {
  position: absolute; top: 12px; left: 12px; z-index: 10;
  display: flex; align-items: center; gap: 8px;
  background: var(--surface); border: 1px solid var(--grid); border-radius: 10px;
  padding: 8px 10px; box-shadow: var(--shadow);
}
.metric-label { font-size: 12px; color: var(--ink-2); }
#metric-select {
  font: inherit; padding: 4px 6px; border: 1px solid var(--grid); border-radius: 7px;
  background: var(--surface); color: var(--ink); max-width: 230px;
}

.legend {
  position: absolute; left: 12px; bottom: 26px; z-index: 10;
  background: var(--surface); border: 1px solid var(--grid); border-radius: 10px;
  padding: 10px 12px; box-shadow: var(--shadow); max-width: 240px;
}
.legend h3 { margin: 0 0 6px; font-size: 12px; font-weight: 600; }
.legend .direction { font-size: 11px; color: var(--muted); margin: 2px 0 6px; }
.legend-row { display: flex; align-items: center; gap: 7px; font-size: 11.5px; color: var(--ink-2); padding: 1.5px 0; }
.legend-swatch { width: 16px; height: 12px; border-radius: 3px; border: 1px solid var(--border); flex: none; }
.legend-strip { display: flex; gap: 2px; margin: 4px 0 2px; }
.legend-strip span { flex: 1; height: 12px; border-radius: 2px; }
.legend-strip-labels { display: flex; justify-content: space-between; font-size: 10.5px; color: var(--muted); }

.map-tooltip {
  position: absolute; z-index: 20; pointer-events: none;
  background: var(--surface); color: var(--ink);
  border: 1px solid var(--grid); border-radius: 8px; box-shadow: var(--shadow);
  padding: 7px 10px; font-size: 12.5px; max-width: 240px;
}
.map-tooltip .tt-name { font-weight: 600; }
.map-tooltip .tt-val { color: var(--ink-2); }

.loading {
  position: absolute; inset: 0; z-index: 40; display: flex; align-items: center; justify-content: center;
  background: var(--plane); color: var(--muted); font-size: 15px;
}
.loading.hide { display: none; }

/* ------------------------------------------------------------- panel */
.panel {
  position: absolute; top: 12px; right: 12px; bottom: 26px; z-index: 15;
  width: 380px; max-width: calc(100vw - 24px);
  background: var(--surface); border: 1px solid var(--grid); border-radius: 12px;
  box-shadow: var(--shadow); overflow: hidden; display: flex; flex-direction: column;
}
.panel[hidden] { display: none; }
.panel-grip { display: none; }
.panel-close { position: absolute; top: 10px; right: 10px; z-index: 2; }
.panel-body { overflow-y: auto; padding: 16px 16px 20px; }

.p-photo { margin: -16px -16px 12px; position: relative; }
.p-photo img { width: 100%; height: 150px; object-fit: cover; display: block; }
.p-photo figcaption {
  position: absolute; right: 6px; bottom: 6px;
  font-size: 10px; padding: 2px 7px; border-radius: 6px;
  background: rgba(11,11,11,0.55);
}
.p-photo figcaption a { color: #fff; text-decoration: none; }
.p-desc { font-size: 12.5px; color: var(--ink-2); margin: 8px 0 0; line-height: 1.5; }
.p-desc-src { color: var(--muted); font-size: 11px; text-decoration: none; white-space: nowrap; }
.p-desc-src:hover { color: var(--accent-ink); }
.p-desc-gen { color: var(--muted); }

.year-toggle { display: flex; align-items: center; gap: 4px; margin-top: 16px; }
.year-btn {
  font: inherit; font-size: 12px; font-weight: 500; cursor: pointer;
  border: 1px solid var(--grid); background: var(--surface); color: var(--ink-2);
  padding: 3px 10px; border-radius: 7px;
}
.year-btn.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.year-note { font-size: 10.5px; color: var(--muted); margin-left: 4px; }
.h4-year { font-weight: 400; color: var(--muted); font-size: 11px; margin-left: 4px; }

.sim-chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.sim-chip {
  font: inherit; font-size: 12px; cursor: pointer; text-align: left;
  border: 1px solid var(--grid); background: var(--plane); color: var(--ink);
  padding: 5px 10px; border-radius: 8px;
}
.sim-chip span { display: block; font-size: 10.5px; color: var(--muted); }
.sim-chip:hover { border-color: var(--accent); }

.school-list { margin: 6px 0 0; padding: 0 0 0 2px; list-style: none; }
.school-list li { padding: 5px 0; border-bottom: 1px solid var(--grid); font-size: 12.5px; }
.school-list li:last-child { border-bottom: 0; }
.school-meta { display: block; color: var(--muted); font-size: 11px; }

.cmp-launch input {
  width: 100%; font: inherit; padding: 7px 10px;
  border: 1px solid var(--grid); border-radius: 8px;
  background: var(--plane); color: var(--ink);
}
.cmp-title { margin-bottom: 8px; }
.cmp-table { border-collapse: collapse; width: 100%; font-size: 12.5px; }
.cmp-table th { text-align: right; padding: 6px 8px; border-bottom: 1px solid var(--baseline); }
.cmp-table td { text-align: right; padding: 5px 8px; border-bottom: 1px solid var(--grid);
  font-variant-numeric: tabular-nums; }
.cmp-table .cmp-label { text-align: left; color: var(--ink-2); font-variant-numeric: normal; }
.cmp-head {
  font: inherit; font-weight: 650; cursor: pointer; border: 0; background: none;
  color: var(--accent-ink); padding: 0; text-align: right;
}

.panel h2 { margin: 0 42px 2px 0; font-size: 19px; line-height: 1.2; }
.panel .p-sub { color: var(--ink-2); font-size: 12.5px; margin: 0 0 2px; }
.panel .p-colloquial { color: var(--muted); font-size: 12px; margin: 0; }
.panel .p-pop { margin: 10px 0 2px; font-size: 26px; font-weight: 650; }
.panel .p-pop small { font-size: 12px; font-weight: 400; color: var(--ink-2); margin-left: 6px; }
.delta-up { color: #006300; } :root[data-theme="dark"] .delta-up { color: #0ca30c; }
@media (prefers-color-scheme: dark) { :root:where(:not([data-theme="light"])) .delta-up { color: #0ca30c; } }
.delta-down { color: var(--ink-2); }

.panel section { margin-top: 18px; }
.panel h4 { margin: 0 0 2px; font-size: 12.5px; font-weight: 600; }
.panel .h4-note { font-size: 11px; color: var(--muted); margin: 0 0 8px; }
.chart-key { display: flex; align-items: center; gap: 5px; font-size: 11px; color: var(--muted); margin-top: 4px; }
.chart-key .key-tick { width: 2px; height: 11px; background: var(--ink); display: inline-block; }

.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.stat-card { border: 1px solid var(--grid); border-radius: 10px; padding: 9px 11px; }
.stat-card .s-label { font-size: 11px; color: var(--ink-2); }
.stat-card .s-value { font-size: 19px; font-weight: 650; margin: 1px 0; }
.stat-card .s-ref { font-size: 11px; color: var(--muted); }

.dep-strip { display: flex; gap: 2px; margin: 8px 0 4px; }
.dep-cell {
  flex: 1; height: 26px; border-radius: 4px; position: relative;
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; color: transparent;
}
.dep-cell.current {
  outline: 2px solid var(--surface); box-shadow: 0 0 0 4px var(--ink);
  color: #fff; font-weight: 700; z-index: 1; border-radius: 4px;
}
.dep-cell.current.light-fill { color: #0b0b0b; }
.dep-strip-labels { display: flex; justify-content: space-between; font-size: 10.5px; color: var(--muted); }
.dep-caption { font-size: 12.5px; margin: 8px 0 0; }
.dep-note { font-size: 11px; color: var(--muted); margin: 4px 0 0; }

.footnote { font-size: 11px; color: var(--muted); margin: 6px 0 0; }
.suppressed { color: var(--muted); font-style: italic; }

svg text { font-family: system-ui, -apple-system, "Segoe UI", sans-serif; }

/* ------------------------------------------------------------- table */
#view-table { display: none; flex-direction: column; padding: 12px 16px 4px; }
#view-table.active { display: flex; }
.table-toolbar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 10px; }
.table-toolbar input[type="search"], .table-toolbar select {
  font: inherit; padding: 6px 8px; border: 1px solid var(--grid); border-radius: 8px;
  background: var(--surface); color: var(--ink);
}
#tbl-filter-name { width: 220px; }
.decile-filter { display: flex; align-items: center; gap: 5px; font-size: 12px; color: var(--ink-2); }
.tbl-count { color: var(--muted); font-size: 12px; margin-left: auto; }
.btn {
  font: inherit; font-weight: 500; padding: 6px 12px; cursor: pointer;
  border: 1px solid var(--grid); border-radius: 8px; background: var(--surface); color: var(--ink);
}
.btn:hover { border-color: var(--baseline); }

.table-scroll {
  flex: 1; min-height: 0; overflow: auto;
  border: 1px solid var(--grid); border-radius: 10px; background: var(--surface);
}
#data-table { border-collapse: collapse; width: max-content; min-width: 100%; font-size: 12.5px; }
#data-table th {
  position: sticky; top: 0; z-index: 2; background: var(--surface);
  text-align: right; font-weight: 600; padding: 8px 10px; white-space: nowrap;
  border-bottom: 1px solid var(--baseline); cursor: pointer; user-select: none;
}
#data-table th.txt { text-align: left; }
#data-table th .arrow { color: var(--accent-ink); font-size: 10px; margin-left: 3px; }
#data-table td {
  padding: 6px 10px; text-align: right; white-space: nowrap;
  border-bottom: 1px solid var(--grid);
  font-variant-numeric: tabular-nums;
}
#data-table td.txt { text-align: left; font-variant-numeric: normal; }
#data-table tbody tr { cursor: pointer; }
#data-table tbody tr:hover { background: var(--plane); }
.table-footnote { color: var(--muted); font-size: 11.5px; margin: 8px 2px; }

/* ------------------------------------------------------------- about */
#view-about { overflow-y: auto; }
.about { max-width: 760px; margin: 0 auto; padding: 28px 20px 60px; }
.about h2 { font-size: 22px; margin: 0 0 4px; }
.about h3 { font-size: 15px; margin: 26px 0 6px; }
.about p, .about li { font-size: 13.5px; color: var(--ink-2); line-height: 1.55; }
.about strong { color: var(--ink); }
.about table { border-collapse: collapse; font-size: 12.5px; margin: 8px 0; width: 100%; }
.about th, .about td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--grid); color: var(--ink-2); }
.about th { color: var(--ink); }
.about code { background: var(--plane); border: 1px solid var(--grid); border-radius: 4px; padding: 1px 5px; font-size: 12px; }
.about a { color: var(--accent-ink); }

/* ------------------------------------------------------------- mobile */
@media (max-width: 720px) {
  .topbar { gap: 8px; padding: 8px 10px; }
  .brand .sub { display: none; }
  #search-input { width: 140px; }
  .map-controls { top: 8px; left: 8px; right: 8px; flex-wrap: wrap; }
  .legend { left: 8px; bottom: 8px; max-width: 200px; padding: 8px 10px; }

  /* panel becomes a bottom sheet */
  .panel {
    top: auto; left: 0; right: 0; bottom: 0; width: 100%; max-width: none;
    max-height: 62vh; border-radius: 16px 16px 0 0;
  }
  .panel-grip {
    display: block; width: 40px; height: 4px; border-radius: 2px;
    background: var(--baseline); margin: 8px auto 0;
  }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  #view-table { padding: 8px; }
}