:root {
  --bg: #000;
  --panel: rgba(16, 18, 22, 0.72);
  --text: #e8eaed;
  --muted: #9aa0a6;
  --accent: #1a73e8;
  --good: #34a853;
  --warn: #fbbc04;
  --bad: #ea4335;
  --map: 32vh;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; height: 100%; background: var(--bg); color: var(--text); font: 13px/1.35 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; overflow: hidden; }
#stage { position: relative; height: calc(100vh - var(--map)); overflow: hidden; }
#video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; background: #000; }
#novideo { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; color: var(--muted); font-size: 15px; pointer-events: none; }
.panel { position: absolute; top: 8px; bottom: 8px; width: 230px; overflow-y: auto; padding: 4px 10px; background: var(--panel); border-radius: 8px; scrollbar-width: thin; }
#left { left: 8px; }
#right { right: 8px; }
.panel section { padding: 6px 0 8px; border-bottom: 1px solid rgba(255, 255, 255, 0.08); }
.panel section:last-child { border-bottom: 0; }
.panel h2 { margin: 0 0 4px; font-size: 11px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--accent); }
.panel dl { display: grid; grid-template-columns: auto 1fr; gap: 1px 10px; margin: 0; }
.panel dt { color: var(--muted); }
.panel dd { margin: 0; text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.hint { color: var(--muted); font-weight: 400; text-transform: none; letter-spacing: 0; }
.good { color: var(--good); }
.warn { color: var(--warn); }
.bad { color: var(--bad); }
.buttons { display: flex; flex-wrap: wrap; gap: 6px; margin: 4px 0; }
button, .button { flex: 1 1 auto; padding: 6px 8px; border: 1px solid rgba(255, 255, 255, 0.18); border-radius: 6px; background: rgba(255, 255, 255, 0.06); color: var(--text); font: inherit; text-align: center; text-decoration: none; cursor: pointer; }
button:hover, .button:hover { background: rgba(255, 255, 255, 0.12); }
button.on { background: var(--accent); border-color: var(--accent); color: #fff; }
button:disabled { opacity: 0.4; cursor: default; }
#wifi { list-style: none; margin: 0; padding: 0; }
#wifi li { display: grid; grid-template-columns: 1fr auto; gap: 8px; }
#wifi li span:first-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
#wifi li span:last-child { font-variant-numeric: tabular-nums; color: var(--muted); }
.compass { position: relative; width: 64px; height: 64px; margin: 2px auto 6px; border: 2px solid rgba(255, 255, 255, 0.25); border-radius: 50%; }
.compass::before { content: "N"; position: absolute; top: 1px; left: 50%; transform: translateX(-50%); font-size: 10px; color: var(--muted); }
#needle { position: absolute; left: 50%; top: 8px; bottom: 8px; width: 4px; margin-left: -2px; background: linear-gradient(var(--bad) 50%, var(--text) 50%); border-radius: 2px; transform-origin: 50% 50%; transition: transform 0.3s; }
#mapbar { position: relative; height: var(--map); }
#map { position: absolute; inset: 0; background: #111; }
.follow { position: absolute; z-index: 500; top: 8px; right: 8px; padding: 4px 8px; background: var(--panel); border-radius: 6px; }
body.login { display: flex; align-items: center; justify-content: center; }
.login-box { display: flex; flex-direction: column; gap: 10px; width: min(320px, calc(100vw - 32px)); padding: 24px; background: #111; border-radius: 10px; }
.login-box h1 { margin: 0 0 6px; font-size: 20px; }
.login-box input { padding: 9px 10px; border: 1px solid #333; border-radius: 6px; background: #000; color: var(--text); font: inherit; }
.failed { margin: 0; color: var(--bad); }
@media (max-width: 760px) {
  html, body { overflow-x: hidden; overflow-y: auto; height: auto; }
  #stage { height: auto; display: grid; grid-template-columns: 1fr 1fr; gap: 6px; padding: 6px; }
  #video { position: relative; grid-column: 1 / -1; width: 100%; height: auto; aspect-ratio: 4 / 3; }
  #novideo { inset: 6px 6px auto 6px; aspect-ratio: 4 / 3; }
  .panel { position: static; width: auto; overflow: visible; font-size: 12px; }
  #mapbar { height: 50vh; }
}