:root {
  --bg: #f7f4ee;
  --fg: #22201c;
  --muted: #6d665b;
  --rule: #ddd6c8;
  --panel: #fffdf8;
  --nodata: #e6e1d6;
  --stroke: #f7f4ee;
  --accent: #8a4b14;
  --hover: #22201c;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #171614;
    --fg: #ece7dd;
    --muted: #a39b8d;
    --rule: #34312c;
    --panel: #201e1b;
    --nodata: #2c2a26;
    --stroke: #171614;
    --accent: #e6a55e;
    --hover: #ffffff;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #171614; --fg: #ece7dd; --muted: #a39b8d; --rule: #34312c; --panel: #201e1b;
  --nodata: #2c2a26; --stroke: #171614; --accent: #e6a55e; --hover: #ffffff; color-scheme: dark;
}

* { box-sizing: border-box; }
body {
  margin: 0 auto;
  max-width: 1280px;
  padding: 24px 16px 48px;
  background: var(--bg);
  color: var(--fg);
  font: 15px/1.5 ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
}
h1 { font: 600 2rem/1.1 ui-serif, Georgia, serif; margin: 0 0 4px; letter-spacing: -0.01em; }
h2 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); margin: 0 0 8px; }
.lede { margin: 0 0 16px; color: var(--muted); max-width: 60ch; }

.controls { display: flex; flex-wrap: wrap; gap: 8px 16px; margin-bottom: 12px; }
.group { display: inline-flex; border: 1px solid var(--rule); border-radius: 6px; overflow: hidden; background: var(--panel); }
.group[hidden] { display: none; }
.group button {
  font: inherit; font-size: 0.85rem; border: 0; background: none; color: var(--fg);
  padding: 6px 12px; cursor: pointer; border-right: 1px solid var(--rule);
}
.group button:last-child { border-right: 0; }
.group .label { font-size: 0.85rem; color: var(--muted); padding: 6px 10px; border-right: 1px solid var(--rule); display: flex; align-items: center; }
.group button[aria-pressed="true"] { background: var(--fg); color: var(--bg); }
.group button:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }

.crumbs { list-style: none; display: flex; gap: 6px; padding: 0; margin: 0 0 8px; font-size: 0.9rem; }
.crumbs li + li::before { content: "›"; margin-right: 6px; color: var(--muted); }
.crumbs a { color: var(--accent); cursor: pointer; text-decoration: underline; text-underline-offset: 2px; }

main { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 24px; align-items: start; }
@media (max-width: 860px) { main { grid-template-columns: 1fr; } }

.map { margin: 0; position: relative; }
.map svg { width: 100%; height: auto; display: block; cursor: grab; }
.map svg:active { cursor: grabbing; }
.zoom { position: absolute; top: 8px; right: 8px; display: flex; flex-direction: column; border: 1px solid var(--rule); border-radius: 6px; overflow: hidden; background: var(--panel); z-index: 1; }
.zoom button { font: inherit; font-size: 1rem; line-height: 1; width: 30px; height: 30px; border: 0; border-bottom: 1px solid var(--rule); background: none; color: var(--fg); cursor: pointer; }
.zoom button:last-child { border-bottom: 0; }
.zoom button:hover { background: var(--rule); }
.zoom button:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }
.map path.area { stroke: var(--stroke); stroke-width: 0.5; vector-effect: non-scaling-stroke; cursor: default; }
.map path.area.clickable { cursor: pointer; }
.map path.area:hover, .map path.area.hl { stroke: var(--hover); stroke-width: 1.5; }
.map path.mesh { fill: none; stroke: var(--stroke); stroke-width: 1; vector-effect: non-scaling-stroke; pointer-events: none; }
.map path.preview { fill: none; stroke: var(--hover); stroke-width: 0.75; stroke-opacity: 0.6; vector-effect: non-scaling-stroke; pointer-events: none; opacity: 0; transition: opacity 0.15s; }
.map path.preview.on { opacity: 1; }
.map path.sphere { fill: none; stroke: var(--rule); }
figcaption { font-size: 0.85rem; color: var(--muted); margin-top: 4px; }

.legend { margin-top: 8px; font-size: 0.75rem; color: var(--muted); }
.legend svg { width: 100%; max-width: 420px; height: 40px; overflow: visible; }
.legend text { fill: var(--muted); }
.legend .nodata { display: inline-flex; align-items: center; gap: 6px; margin-left: 4px; }
.legend .nodata i { width: 14px; height: 10px; background: var(--nodata); display: inline-block; }

.ranking { background: var(--panel); border: 1px solid var(--rule); border-radius: 8px; padding: 12px 14px; max-height: 640px; overflow: auto; }
.ranking ol { margin: 0; padding: 0; list-style: none; counter-reset: r; font-size: 0.85rem; }
.ranking li {
  counter-increment: r; display: grid; grid-template-columns: 2.2em 1fr auto; gap: 6px;
  padding: 3px 4px; border-radius: 4px; cursor: pointer;
}
.ranking li::before { content: counter(r); color: var(--muted); text-align: right; }
.ranking li:hover, .ranking li.hl { background: var(--bg); }
.ranking li span:last-child { font-variant-numeric: tabular-nums; }
.ranking li .est { color: var(--muted); }

.tooltip {
  position: fixed; pointer-events: none; z-index: 10; max-width: 300px;
  background: var(--panel); color: var(--fg); border: 1px solid var(--rule); border-radius: 6px;
  padding: 8px 10px; font-size: 0.8rem; box-shadow: 0 4px 16px rgb(0 0 0 / 0.15);
}
.tooltip b { display: block; font-size: 0.9rem; }
.tooltip .big { font-size: 1.1rem; font-weight: 600; font-variant-numeric: tabular-nums; }
.tooltip dl { display: grid; grid-template-columns: auto auto; gap: 0 10px; margin: 6px 0 0; }
.tooltip dt { color: var(--muted); }
.tooltip dd { margin: 0; text-align: right; font-variant-numeric: tabular-nums; }
.tooltip .note { color: var(--muted); margin-top: 6px; }

footer { margin-top: 32px; border-top: 1px solid var(--rule); padding-top: 16px; font-size: 0.85rem; color: var(--muted); }
footer ul { padding-left: 18px; max-width: 90ch; }
footer li { margin-bottom: 6px; }
footer strong { color: var(--fg); }