:root {
  color-scheme: light;
  --surface-0: #f4f3f0;
  --surface-1: #fcfcfb;
  --surface-2: #f0efec;
  --surface-3: #e6e5e0;
  --border: #dddcd7;
  --text-primary: #0b0b0b;
  --text-secondary: #52514e;
  --text-muted: #7a7974;
  --accent: #2a78d6;
  --accent-ink: #ffffff;
  --grid: #e6e5e0;
  --s1: #2a78d6; --s2: #eb6834; --s3: #1baf7a; --s4: #eda100; --s5: #e87ba4;
  --s6: #008300; --s7: #4a3aa7; --s8: #e34948;
  --good: #0ca30c; --warning: #fab219; --serious: #ec835a; --critical: #d03b3b; --neutral: #8a8984;
  --seq-1: #cde2fb; --seq-2: #9ec5f4; --seq-3: #6da7ec; --seq-4: #3987e5; --seq-5: #256abf; --seq-6: #184f95; --seq-7: #0d366b;
  --shadow: 0 2px 10px rgba(0, 0, 0, .10);
  --tile-filter: none;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --surface-0: #111110; --surface-1: #1a1a19; --surface-2: #262624; --surface-3: #2e2e2b;
    --border: #383835; --text-primary: #ffffff; --text-secondary: #c3c2b7; --text-muted: #8f8e86;
    --accent: #3987e5; --grid: #2e2e2b;
    --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s4: #c98500; --s5: #d55181; --s6: #008300; --s7: #9085e9; --s8: #e66767;
    --seq-1: #0d366b; --seq-2: #104281; --seq-3: #184f95; --seq-4: #256abf; --seq-5: #3987e5; --seq-6: #6da7ec; --seq-7: #9ec5f4;
    --shadow: 0 2px 10px rgba(0, 0, 0, .45);
    --tile-filter: none;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --surface-0: #111110; --surface-1: #1a1a19; --surface-2: #262624; --surface-3: #2e2e2b;
  --border: #383835; --text-primary: #ffffff; --text-secondary: #c3c2b7; --text-muted: #8f8e86;
  --accent: #3987e5; --grid: #2e2e2b;
  --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s4: #c98500; --s5: #d55181; --s6: #008300; --s7: #9085e9; --s8: #e66767;
  --seq-1: #0d366b; --seq-2: #104281; --seq-3: #184f95; --seq-4: #256abf; --seq-5: #3987e5; --seq-6: #6da7ec; --seq-7: #9ec5f4;
  --shadow: 0 2px 10px rgba(0, 0, 0, .45);
  --tile-filter: none;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--surface-0); color: var(--text-primary);
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  display: flex; flex-direction: column;
}
a { color: var(--accent); }
button, input, select { font: inherit; color: inherit; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.muted { color: var(--text-muted); }
.small { font-size: 12px; }
[hidden] { display: none !important; }

/* top bar */
.topbar {
  display: flex; align-items: center; gap: 16px; padding: 8px 16px; min-height: 56px;
  background: var(--surface-1); border-bottom: 1px solid var(--border); flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 8px; color: var(--text-primary); text-decoration: none; font-weight: 700; font-size: 17px; }
.brand .logo { width: 22px; height: 22px; color: var(--accent); }
.beta { font-size: 11px; font-weight: 600; color: var(--text-secondary); background: var(--surface-2); border-radius: 999px; padding: 1px 8px; }
.search { display: flex; gap: 6px; flex: 1; max-width: 520px; min-width: 240px; }
.search input {
  flex: 1; min-width: 0; padding: 7px 12px; border: 1px solid var(--border); border-radius: 8px; background: var(--surface-0);
}
.search button, .btn {
  padding: 7px 14px; border-radius: 8px; border: 1px solid var(--text-primary); background: var(--text-primary); color: var(--surface-1); cursor: pointer; font-weight: 600;
}
.btn.secondary { background: var(--surface-1); color: var(--text-primary); border-color: var(--border); }
.icon-btn { display: grid; place-items: center; padding: 6px 9px !important; background: var(--surface-1) !important; color: var(--text-primary) !important; border-color: var(--border) !important; }
.icon-btn svg { width: 18px; height: 18px; }
.toplinks { margin-left: auto; font-size: 13px; }

/* layout */
.layout { flex: 1; min-height: 0; display: grid; grid-template-columns: 440px minmax(0, 1fr); }
.panel { min-width: 0; overflow-y: auto; background: var(--surface-1); border-right: 1px solid var(--border); }
.map { min-height: 0; background: var(--surface-2); }
.leaflet-tile-pane { filter: var(--tile-filter); }
.search-status:not(:empty) { padding: 8px 16px; font-size: 13px; background: var(--surface-2); border-bottom: 1px solid var(--border); }

.tabs { display: flex; gap: 2px; padding: 8px 12px 0; border-bottom: 1px solid var(--border); position: sticky; top: 0; background: var(--surface-1); z-index: 2; overflow-x: auto; }
.tabs button {
  border: 0; background: none; padding: 8px 10px; cursor: pointer; color: var(--text-secondary); font-weight: 600; font-size: 13px;
  border-bottom: 2px solid transparent; white-space: nowrap;
}
.tabs button[aria-selected="true"] { color: var(--text-primary); border-bottom-color: var(--text-primary); }
.count:not(:empty) { background: var(--surface-2); border-radius: 999px; padding: 0 6px; font-size: 11px; }
.view { padding: 12px 16px 40px; }

/* filters + list */
.filters input[type="search"] { width: 100%; padding: 7px 10px; border: 1px solid var(--border); border-radius: 8px; background: var(--surface-0); }
.filter-row { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; margin-top: 6px; }
select { padding: 6px 8px; border: 1px solid var(--border); border-radius: 8px; background: var(--surface-0); min-width: 0; }
.school-list { list-style: none; padding: 0; margin: 0; }
.school-item { display: grid; grid-template-columns: 14px 1fr auto; gap: 10px; align-items: start; padding: 10px 4px; border-bottom: 1px solid var(--border); cursor: pointer; }
.school-item:hover, .school-item:focus-visible { background: var(--surface-2); outline: none; }
.school-item .dot { width: 12px; height: 12px; border-radius: 50%; margin-top: 4px; border: 2px solid var(--surface-1); box-shadow: 0 0 0 1px var(--text-muted); }
.school-item .dot.independent { background: var(--surface-1) !important; box-shadow: 0 0 0 2px var(--dot); }
.school-item h3 { font-size: 14px; margin: 0; line-height: 1.3; }
.school-item .meta { font-size: 12px; color: var(--text-secondary); }
.school-item .dist { font-size: 13px; font-weight: 700; font-variant-numeric: tabular-nums; text-align: right; white-space: nowrap; }

.pill { display: inline-flex; align-items: center; gap: 5px; font-size: 11px; font-weight: 600; padding: 1px 8px; border-radius: 999px; background: var(--surface-2); color: var(--text-primary); white-space: nowrap; }
.pill::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--dot, var(--neutral)); }
.pill.plain::before { display: none; }
.pills { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 4px; }

/* detail */
.back { border: 0; background: none; color: var(--accent); cursor: pointer; padding: 0; font-weight: 600; margin-bottom: 8px; }
.detail-head h2 { font-size: 20px; line-height: 1.25; margin: 0 0 4px; }
.detail-head .sub { color: var(--text-secondary); margin: 0; }
.actions { display: flex; gap: 6px; margin: 10px 0; flex-wrap: wrap; }
.subtabs { display: flex; gap: 4px; flex-wrap: wrap; margin: 12px 0; }
.subtabs button { border: 1px solid var(--border); background: var(--surface-1); border-radius: 999px; padding: 3px 10px; font-size: 12px; cursor: pointer; }
.subtabs button[aria-pressed="true"] { background: var(--text-primary); color: var(--surface-1); border-color: var(--text-primary); }
h3.section { font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--text-secondary); margin: 20px 0 8px; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); gap: 8px; }
.stat { background: var(--surface-2); border-radius: 8px; padding: 10px; }
.stat b { display: block; font-size: 20px; line-height: 1.15; font-variant-numeric: tabular-nums; }
.stat span { font-size: 12px; color: var(--text-secondary); }
.callout { padding: 10px 12px; border-radius: 8px; background: var(--surface-2); border-left: 4px solid var(--dot, var(--neutral)); margin: 10px 0; }
.note { font-size: 12px; color: var(--text-muted); }

table { width: 100%; border-collapse: collapse; font-size: 12px; font-variant-numeric: tabular-nums; }
th, td { text-align: left; padding: 5px 4px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--text-secondary); font-weight: 600; }
td.num, th.num { text-align: right; }
th.sortable { cursor: pointer; user-select: none; }
th.sortable[aria-sort="ascending"]::after { content: " ▲"; }
th.sortable[aria-sort="descending"]::after { content: " ▼"; }
tr.clickable { cursor: pointer; }
tr.clickable:hover { background: var(--surface-2); }
.bar { height: 6px; border-radius: 3px; background: var(--surface-3); position: relative; margin-top: 3px; min-width: 60px; }
.bar i { position: absolute; left: 0; top: 0; bottom: 0; border-radius: 3px; background: var(--accent); }
.decile { display: grid; grid-template-columns: repeat(10, 1fr); gap: 2px; margin-top: 3px; }
.decile i { height: 8px; border-radius: 2px; background: var(--surface-3); }
.decile i.on { background: var(--accent); }

.chips { display: flex; flex-wrap: wrap; gap: 6px; margin: 6px 0; }
.chip { border: 1px solid var(--border); background: var(--surface-1); border-radius: 999px; padding: 2px 10px; font-size: 12px; cursor: pointer; display: inline-flex; align-items: center; gap: 6px; }
.chip[aria-pressed="true"] { background: var(--text-primary); color: var(--surface-1); border-color: var(--text-primary); }
.swatch { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }

.chart-wrap { position: relative; }
svg.chart { width: 100%; height: auto; display: block; }
svg.chart text { fill: var(--text-muted); font-size: 10px; }
.tooltip { position: absolute; pointer-events: none; background: var(--surface-1); color: var(--text-primary); border: 1px solid var(--border); border-radius: 6px; padding: 5px 8px; font-size: 12px; box-shadow: var(--shadow); white-space: nowrap; display: none; z-index: 5; }

.toggle-list { display: grid; gap: 6px; }
.toggle-list label { display: flex; align-items: center; gap: 8px; font-size: 13px; }
.empty { padding: 20px 4px; color: var(--text-muted); }

/* map furniture */
.leaflet-container { font: inherit; }
.map-legend { background: var(--surface-1); color: var(--text-primary); border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; font-size: 12px; line-height: 1.5; box-shadow: var(--shadow); max-width: 220px; }
.map-legend div { display: flex; align-items: center; gap: 6px; }
.filter-row .span-2 { grid-column: 1 / -1; }
.catch-control { background: var(--surface-1); color: var(--text-primary); border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px; box-shadow: var(--shadow); width: 240px; font-size: 12px; line-height: 1.4; }
.catch-title { font-weight: 700; font-size: 13px; margin-bottom: 6px; }
.catch-control .seg { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--border); border-radius: 8px; overflow: hidden; margin-bottom: 8px; }
.catch-control .seg button { border: 0; background: var(--surface-1); padding: 5px 0; font-size: 12px; font-weight: 600; cursor: pointer; color: var(--text-secondary); }
.catch-control .seg button + button { border-left: 1px solid var(--border); }
.catch-control .seg button[aria-pressed="true"] { background: var(--text-primary); color: var(--surface-1); }
.catch-key { display: flex; align-items: center; gap: 8px; margin: 3px 0; }
.catch-key .key-fill { width: 18px; height: 12px; border-radius: 6px; border: 1.5px solid; }
.catch-key .key-dash { width: 18px; height: 12px; border-radius: 6px; border: 1.5px dashed; }
.catch-note { color: var(--text-muted); margin-top: 6px; }
.catch-label { position: absolute; transform: translate(-50%, -110%); background: var(--surface-1); color: var(--text-primary); border: 1.5px solid var(--border); border-radius: 4px; padding: 0 5px; font-size: 11px; font-weight: 600; white-space: nowrap; pointer-events: none; }
.home-pin { display: flex; flex-direction: column; align-items: center; transform: translate(-50%, -100%); }
.home-pin svg { width: 30px; height: 38px; filter: drop-shadow(0 1px 2px rgba(0,0,0,.4)); }
.ring-label { position: absolute; transform: translate(-50%, -50%); background: var(--surface-1); color: var(--text-primary); border: 1.5px solid var(--border); border-radius: 4px; padding: 0 5px; font-size: 11px; font-weight: 600; white-space: nowrap; font-variant-numeric: tabular-nums; }
.leaflet-popup-content-wrapper, .leaflet-popup-tip { background: var(--surface-1); color: var(--text-primary); }
.leaflet-tooltip { background: var(--surface-1); color: var(--text-primary); border-color: var(--border); }

@media (max-width: 860px) {
  .layout { grid-template-columns: minmax(0, 1fr); grid-template-rows: 45vh auto; }
  .map { order: -1; height: 45vh; }
  .panel { border-right: 0; overflow: visible; }
  body { display: block; height: auto; }
  .toplinks { margin-left: 0; }
  .map-legend { display: none; }
  .catch-control { width: 190px; padding: 8px; }
  .catch-note, .catch-key { display: none; }
}