* { box-sizing: border-box; }
:root {
  --bg: #0a0f1f;
  --panel: #111a31;
  --panel-2: #182245;
  --accent: #6366f1;
  --ok: #10b981;
  --err: #ef4444;
  --warn: #f59e0b;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --border: #1e2a4d;
}
html, body { margin: 0; background: var(--bg); color: var(--text); font: 14px/1.5 ui-sans-serif, system-ui, sans-serif; }
header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 22px; border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, #0d1429, transparent);
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 12px var(--accent); }
.brand .name { font-weight: 800; letter-spacing: .04em; }
.brand .tag { color: var(--muted); font-size: 12px; padding-left: 10px; border-left: 1px solid var(--border); margin-left: 4px; }
.state {
  padding: 4px 12px; border-radius: 999px;
  background: var(--panel); color: var(--muted);
  font-size: 11px; letter-spacing: .12em; text-transform: uppercase;
  border: 1px solid var(--border);
}
.state.ok    { color: var(--ok);   border-color: rgba(16,185,129,.4); }
.state.err   { color: var(--err);  border-color: rgba(239,68,68,.4); }
.state.live  { color: #fff; background: linear-gradient(135deg, #4f46e5, #1e40af); border-color: transparent; }

main { max-width: 1200px; margin: 0 auto; padding: 22px; display: grid; gap: 22px; }

.room-bar {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
  padding: 12px 18px; flex-wrap: wrap;
}
.room-info { display: flex; align-items: center; gap: 10px; }
.room-label { color: var(--muted); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; }
.room-id {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 14px; font-weight: 700; color: var(--text);
  background: var(--panel-2); padding: 4px 10px; border-radius: 6px;
}
.room-actions { display: flex; gap: 8px; align-items: center; }
.btn-ghost {
  padding: 7px 14px; border-radius: 8px; border: 1px solid var(--border);
  background: transparent; color: var(--text); font-size: 12px; font-weight: 700;
  cursor: pointer; text-decoration: none;
}
.btn-ghost:hover { background: var(--panel-2); }

.tiles { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.tile {
  margin: 0; background: #000; border-radius: 14px; overflow: hidden;
  border: 1px solid var(--border); aspect-ratio: 4 / 3; position: relative;
}
.tile figcaption {
  position: absolute; top: 10px; left: 10px; right: 10px;
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 6px 10px; border-radius: 8px;
  background: rgba(0,0,0,.45); backdrop-filter: blur(8px);
  font-size: 12px; font-weight: 700; letter-spacing: .04em;
}
.tile figcaption small { color: var(--muted); font-weight: 500; }
.tile video, .tile canvas { width: 100%; height: 100%; object-fit: cover; display: block; }

.stats { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; }
.stats div {
  background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
  padding: 10px 12px; display: flex; flex-direction: column; gap: 4px;
}
.stats span { color: var(--muted); font-size: 11px; letter-spacing: .06em; text-transform: uppercase; }
.stats b { font-size: 17px; font-weight: 700; color: var(--text); font-variant-numeric: tabular-nums; }

.controls { display: flex; gap: 10px; }
button {
  padding: 10px 22px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--panel-2); color: var(--text); font-size: 14px; font-weight: 700;
  cursor: pointer; transition: background .15s;
}
button:hover:not(:disabled) { background: #20305f; }
button:disabled { opacity: .4; cursor: not-allowed; }
button#start { background: linear-gradient(135deg, #4f46e5, #1e40af); border-color: transparent; }

.log {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px;
  background: #060a1a; border: 1px solid var(--border); border-radius: 10px;
  padding: 10px 14px; max-height: 200px; overflow-y: auto; color: #cbd5e1;
}
.log div { white-space: pre-wrap; }
.log .err  { color: var(--err); }
.log .ok   { color: var(--ok); }
.log .warn { color: var(--warn); }

@media (max-width: 720px) {
  .tiles  { grid-template-columns: 1fr; }
  .stats  { grid-template-columns: repeat(2, 1fr); }
}