:root {
  --brand: #0b3d91;
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #666;
  --line: #e3e3e3;
  --topbar-h: 52px;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #1d1f23; --fg: #eee; --muted: #aaa; --line: #34373d; }
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  font: 15px/1.4 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--fg);
  background: var(--bg);
}
button { font: inherit; cursor: pointer; }
a { color: var(--brand); }
@media (prefers-color-scheme: dark) { a { color: #8ab4ff; } }

.topbar {
  position: fixed; inset: 0 0 auto 0; height: var(--topbar-h);
  padding: 0 12px; padding-top: env(safe-area-inset-top);
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  background: var(--brand); color: #fff; z-index: 10;
}
.topbar h1 { font-size: 18px; margin: 0; white-space: nowrap; }
.topbar h1 span { font-weight: 400; opacity: .8; }
.topbar .actions { display: flex; gap: 6px; }
.topbar button {
  border: 0; border-radius: 8px; padding: 7px 10px;
  background: rgba(255,255,255,.16); color: #fff;
}
.topbar button:hover { background: rgba(255,255,255,.28); }

#map { position: fixed; inset: var(--topbar-h) 0 0 0; }

.panel {
  position: fixed; z-index: 20; background: var(--bg);
  box-shadow: 0 0 24px rgba(0,0,0,.25);
  display: flex; flex-direction: column; overflow: hidden;
  top: calc(var(--topbar-h) + 8px); right: 8px; bottom: 8px; width: 340px;
  border-radius: 12px;
}
.panel[hidden] { display: none; }
@media (max-width: 600px) {
  .panel { top: auto; left: 0; right: 0; bottom: 0; width: auto; max-height: 65vh; border-radius: 14px 14px 0 0; }
}
.panel-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 14px; border-bottom: 1px solid var(--line);
}
.panel-head h2 { font-size: 16px; margin: 0; }
.panel-head .close { border: 0; background: none; color: var(--fg); font-size: 18px; }
#panel-body { overflow-y: auto; padding: 6px 14px 10px; flex: 1; }
.attribution-note { font-size: 12px; color: var(--muted); padding: 8px 14px 12px; margin: 0; border-top: 1px solid var(--line); }

.cat h3 { font-size: 12px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); margin: 14px 0 4px; }
.layer {
  display: flex; align-items: center; gap: 10px; padding: 6px 0;
  cursor: pointer; user-select: none;
}
.layer input { width: 18px; height: 18px; accent-color: var(--brand); }
.layer .dot { width: 12px; height: 12px; border-radius: 50%; flex: none; border: 2px solid #fff; box-shadow: 0 0 0 1px rgba(0,0,0,.2); }
.layer .name { flex: 1; }
.layer .count { font-size: 12px; color: var(--muted); }

.nearby-list { list-style: none; margin: 0; padding: 0; }
.nearby-list li { border-bottom: 1px solid var(--line); }
.nearby-list button {
  width: 100%; text-align: left; border: 0; background: none; color: var(--fg);
  padding: 10px 0; display: flex; gap: 10px; align-items: center;
}
.nearby-list .icon { font-size: 20px; width: 28px; text-align: center; }
.nearby-list .txt { flex: 1; min-width: 0; }
.nearby-list .txt small { display: block; color: var(--muted); }
.nearby-list .dist { font-variant-numeric: tabular-nums; color: var(--muted); white-space: nowrap; }
.hint { color: var(--muted); }

.maplibregl-popup-content { border-radius: 10px; padding: 12px 14px; color: #1a1a1a; max-width: 280px; }
.popup h4 { margin: 0 0 2px; font-size: 15px; }
.popup .type { color: #666; font-size: 12px; margin-bottom: 6px; }
.popup dl { margin: 6px 0; display: grid; grid-template-columns: auto 1fr; gap: 2px 8px; font-size: 13px; }
.popup dt { color: #666; }
.popup dd { margin: 0; word-break: break-word; }
.popup .links { display: flex; gap: 12px; margin-top: 8px; font-size: 13px; }

.topbar button { white-space: nowrap; }
@media (max-width: 400px) {
  .topbar h1 { font-size: 16px; }
  .topbar button { padding: 6px 8px; font-size: 14px; }
}