:root{
  --bg:#f6f7f9; --surface:#ffffff; --fg:#16181d; --muted:#5b6572;
  --line:#e6e8ec; --card:#f4f5f7;
  --accent:#1b5fd0; --accentfg:#ffffff; --live:#0a7d3c; --warn:#b35900;
  --radius:14px; --radius-sm:9px;
  --shadow:0 1px 2px rgba(16,24,40,.04), 0 6px 22px rgba(16,24,40,.06);
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#101317; --surface:#171b21; --fg:#e7e9ec; --muted:#98a0ab;
    --line:#262b32; --card:#1e2228;
    --accent:#5b9bff; --accentfg:#0b1220; --live:#3fbf6f; --warn:#e3a008;
    --shadow:0 1px 2px rgba(0,0,0,.3), 0 6px 22px rgba(0,0,0,.35);
  }
}
:root[data-theme="dark"]{
  --bg:#101317; --surface:#171b21; --fg:#e7e9ec; --muted:#98a0ab;
  --line:#262b32; --card:#1e2228;
  --accent:#5b9bff; --accentfg:#0b1220; --live:#3fbf6f; --warn:#e3a008;
  --shadow:0 1px 2px rgba(0,0,0,.3), 0 6px 22px rgba(0,0,0,.35);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Apple SD Gothic Neo","Malgun Gothic",sans-serif;
  line-height:1.7;-webkit-text-size-adjust:100%;word-break:keep-all;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
::selection{background:var(--accent);color:#fff}

.wrap{max-width:900px;margin:0 auto;padding:30px 20px 52px}
@media (max-width:560px){ .wrap{padding:18px 14px 36px} }

h1{font-size:clamp(1.35rem, calc(1rem + 2vw), 1.6rem);line-height:1.25;
  letter-spacing:-.02em;margin:.1em 0 .2em;font-weight:750}
.beta{display:inline-block;vertical-align:middle;margin-left:9px;
  padding:3px 8px 2px;border-radius:999px;
  background:var(--accent);color:var(--accentfg);
  font-size:.56rem;font-weight:800;letter-spacing:.09em;text-transform:uppercase;line-height:1}
.lead{color:var(--muted);font-size:.95rem;margin:.2em 0 1.7em;max-width:62ch}

.route{background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:20px;margin:0 0 18px;box-shadow:var(--shadow)}
@media (max-width:560px){ .route{padding:14px} }
.route > h2{font-size:1.15rem;font-weight:700;letter-spacing:-.01em;
  margin:.1em 0 .85em;padding:0;border:0}
.route > h2 small{color:var(--muted);font-weight:400;font-size:.78rem;margin-left:8px;letter-spacing:0}

.player{background:#000;border-radius:var(--radius-sm);overflow:hidden;
  aspect-ratio:16/9;position:relative}
.player video{width:100%;height:100%;display:block;background:#000;object-fit:contain}
.player .overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  color:#e8eaed;font-size:.92rem;text-align:center;padding:16px;pointer-events:none}
.player .overlay:not(:empty){background:radial-gradient(120% 120% at 50% 38%, transparent 35%, rgba(0,0,0,.42))}
.player .overlay[hidden]{display:none}

.cams{display:flex;flex-wrap:wrap;gap:7px;margin:14px 0 2px}
.cams .grp{flex-basis:100%;color:var(--muted);font-size:.76rem;font-weight:600;
  letter-spacing:.02em;margin:10px 0 0}
.cams .grp:first-child{margin-top:0}
.cams button{display:inline-flex;align-items:center;gap:6px;
  border:1px solid var(--line);background:var(--bg);color:var(--fg);
  padding:6px 12px;border-radius:999px;cursor:pointer;
  font-size:.85rem;line-height:1.25;font-family:inherit;
  transition:border-color .15s, color .15s, background .15s}
.cams button:hover{border-color:var(--accent);color:var(--accent)}
.cams button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.cams button[aria-pressed="true"]{background:var(--accent);color:var(--accentfg);border-color:var(--accent)}
.cams button .k{font-size:.6rem;font-weight:800;letter-spacing:.05em;
  padding:2px 5px;border-radius:6px;background:var(--line);color:var(--muted)}
.cams button .k.live{background:color-mix(in srgb, var(--live) 16%, transparent);color:var(--live)}
.cams button[aria-pressed="true"] .k{background:rgba(255,255,255,.22);color:#fff}

.status{color:var(--muted);font-size:.82rem;min-height:1.2em;margin-top:6px}
.status.err{color:var(--warn)}

.map{height:240px;margin:12px 0 2px;border:1px solid var(--line);
  border-radius:var(--radius-sm);overflow:hidden;background:var(--card);z-index:0}
.map .leaflet-container{background:var(--card);font:inherit}
.map .leaflet-bar a{color:var(--fg);background:var(--surface);border-color:var(--line)}

.ad{margin:20px 0 4px;padding:14px;border:1px dashed var(--line);border-radius:var(--radius-sm);
  text-align:center;color:var(--muted);font-size:.8rem}

.info h3{font-size:1rem;font-weight:700;letter-spacing:-.01em;margin:24px 0 .5em;padding:0;border:0}
.info h3:first-child{margin-top:6px}
.tablewrap{overflow-x:auto;margin:.2em 0 .7em;border:1px solid var(--line);border-radius:var(--radius-sm)}
table{width:100%;border-collapse:collapse;font-size:.88rem}
th,td{padding:9px 11px;text-align:left;border:0;border-bottom:1px solid var(--line);vertical-align:top}
thead th{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em;
  color:var(--muted);background:var(--card)}
tbody tr:last-child td{border-bottom:0}
.info ul{margin:.4em 0;padding-left:1.15em}
.info li{margin:.22em 0}
.info li::marker{color:var(--muted)}
.todo{color:var(--muted);font-size:.85rem}

footer{margin-top:28px;padding-top:18px;border-top:1px solid var(--line);
  color:var(--muted);font-size:.8rem;line-height:1.6}

a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}