:root {
  color-scheme: light;
  --bg: #f4f4f1;
  --surface: #fcfcfb;
  --text: #0b0b0b;
  --text-2: #52514e;
  --muted: #7a7974;
  --border: #e4e3de;
  --grid: #ecebe7;
  --accent: #2a78d6;
  --line: #2a78d6;
  --good: #0ca30c;
  --warning: #fab219;
  --serious: #ec835a;
  --critical: #d03b3b;
  --unknown: #c9c8c1;
  --casing: #ffffff;
  /* Speed: red = stopped → green = fast (stops also get sized circles) */
  --spd0: #d73027; --spd1: #f46d43; --spd2: #fdae61; --spd3: #a6d96a; --spd4: #1a9850;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #121211;
    --surface: #1a1a19;
    --text: #f0efec;
    --text-2: #c3c2b7;
    --muted: #8f8e86;
    --border: #2e2e2b;
    --grid: #2a2a28;
    --accent: #3987e5;
    --line: #3987e5;
    --unknown: #4a4a46;
    --casing: #1a1a19;
    --spd0: #d73027; --spd1: #f46d43; --spd2: #fdae61; --spd3: #a6d96a; --spd4: #1a9850;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #121211;
  --surface: #1a1a19;
  --text: #f0efec;
  --text-2: #c3c2b7;
  --muted: #8f8e86;
  --border: #2e2e2b;
  --grid: #2a2a28;
  --accent: #3987e5;
  --line: #3987e5;
  --unknown: #4a4a46;
  --casing: #1a1a19;
  --spd0: #d73027; --spd1: #f46d43; --spd2: #fdae61; --spd3: #a6d96a; --spd4: #1a9850;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-variant-numeric: tabular-nums;
}
main { max-width: 1180px; margin: 0 auto; padding: 32px 16px 48px; }

.top { margin-bottom: 20px; }
.eyebrow { margin: 0 0 4px; color: var(--muted); font-size: 13px; letter-spacing: .02em; }
h1 { margin: 0; font-size: clamp(24px, 4vw, 34px); line-height: 1.15; letter-spacing: -.01em; }
.sub { margin: 8px 0 0; color: var(--text-2); }
h2 { margin: 0; font-size: 17px; }
.hint { margin: 4px 0 0; color: var(--muted); font-size: 13px; max-width: 70ch; }

.kpis {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(138px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}
.kpi {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
}
.kpi .v { font-size: 28px; font-weight: 650; line-height: 1.1; letter-spacing: -.01em; }
.kpi .l { color: var(--text-2); font-size: 13px; margin-top: 4px; }
.kpi .d { color: var(--muted); font-size: 12px; margin-top: 2px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
  margin-bottom: 16px;
  min-width: 0;
}
.card-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; flex-wrap: wrap; margin-bottom: 12px; }

.seg { display: inline-flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; flex: none; }
.seg button {
  border: 0; background: transparent; color: var(--text-2); font: inherit; font-size: 13px;
  padding: 6px 14px; cursor: pointer;
}
.seg button + button { border-left: 1px solid var(--border); }
.seg button.on { background: var(--text); color: var(--surface); }

.legend { display: flex; flex-wrap: wrap; gap: 6px 18px; margin-bottom: 10px; font-size: 13px; color: var(--text-2); }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend b { color: var(--text); font-weight: 600; }
.sw { width: 12px; height: 12px; border-radius: 3px; flex: none; }

#map { height: 680px; border-radius: 10px; border: 1px solid var(--border); background: var(--bg); }
.leaflet-container { font: inherit; }
.leaflet-tooltip.stn {
  background: var(--surface); color: var(--text); border: 1px solid var(--border);
  box-shadow: none; font-size: 12px; padding: 1px 6px;
}
.leaflet-tooltip.stn::before { display: none; }
.leaflet-control-layers-toggle { background-image: none !important; width: auto !important; height: auto !important;
  padding: 6px 10px; color: #333; font-size: 13px; text-decoration: none; }
.leaflet-control-layers-toggle::after { content: 'Map / Satellite'; }

.route { position: relative; }
.route svg { display: block; width: 100%; overflow: visible; }
.route text { fill: var(--muted); font-size: 11px; }
.route .rowlabel { fill: var(--text-2); font-size: 12px; }
.route .stn-label { fill: var(--text-2); }

.two { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.two .card { margin-bottom: 16px; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; font-weight: 500; color: var(--muted); padding: 6px 8px; border-bottom: 1px solid var(--border); white-space: nowrap; }
td { padding: 7px 8px; border-bottom: 1px solid var(--grid); vertical-align: middle; }
td.n, th.n { text-align: right; white-space: nowrap; }
tr.click { cursor: pointer; }
tr.click:hover td { background: var(--bg); }
tr.sel td { background: var(--bg); }
.bar { display: flex; height: 10px; width: 100%; min-width: 90px; border-radius: 3px; overflow: hidden; gap: 2px; }
.bar i { display: block; height: 100%; }
.tag { display: inline-flex; align-items: center; gap: 5px; color: var(--text-2); white-space: nowrap; }
.more {
  margin-top: 10px; background: transparent; border: 1px solid var(--border); border-radius: 8px;
  color: var(--text-2); font: inherit; font-size: 13px; padding: 6px 12px; cursor: pointer;
}

.notes ul { margin: 10px 0 0; padding-left: 18px; color: var(--text-2); font-size: 14px; }
.notes li { margin: 6px 0; }
.notes b { color: var(--text); font-weight: 600; }

.tip {
  position: fixed; z-index: 2000; pointer-events: none;
  background: var(--surface); color: var(--text); border: 1px solid var(--border); border-radius: 8px;
  padding: 8px 10px; font-size: 12px; line-height: 1.5; box-shadow: 0 4px 16px rgb(0 0 0 / .12);
  min-width: 170px;
}
.tip .h { font-weight: 600; margin-bottom: 2px; }
.tip .r { display: flex; justify-content: space-between; gap: 12px; color: var(--text-2); }
.tip .r b { color: var(--text); font-weight: 500; }

@media (max-width: 420px) {
  .kpis { grid-template-columns: 1fr 1fr; gap: 8px; }
  .kpi { padding: 12px; }
  .kpi .v { font-size: 22px; }
}
@media (max-width: 860px) {
  .two { grid-template-columns: 1fr; }
  #map { height: 380px; }
  main { padding-top: 20px; }
}

.dz-pin {
  display: flex; align-items: center; justify-content: center;
  background: var(--critical); color: #fff; font: 700 11px/1 system-ui, sans-serif;
  border: 2px solid #fff; border-radius: 50%; box-shadow: 0 1px 4px rgb(0 0 0 / .35); cursor: pointer;
}
.dz-key {
  display: inline-flex; align-items: center; justify-content: center; width: 16px; height: 16px;
  background: var(--critical); color: #fff; font: 700 10px/1 system-ui, sans-serif; font-style: normal;
  border-radius: 50%;
}
.muted { color: var(--muted); }

.tun-key {
  display: inline-block; width: 22px; height: 10px; border-radius: 2px; flex: none;
  background: linear-gradient(var(--good), var(--good)) center / 100% 3px no-repeat, #2b2b29;
  box-shadow: 0 0 0 1px var(--border);
}

.stop-key {
  display: inline-block; width: 12px; height: 12px; border-radius: 50%; flex: none;
  background: var(--spd0); box-shadow: 0 0 0 1.5px #fff;
}

.credit { margin-top: 8px; text-align: center; color: var(--muted); font-size: 13px; }
.credit a { color: var(--text-2); text-decoration: underline; text-underline-offset: 2px; }
.credit a:hover { color: var(--text); }