:root {
  --bg: #0a0a0c;
  --panel: #141418;
  --line: #26262e;
  --text: #f2f2f5;
  --muted: #8a8a96;
  --accent: #c8ff2e;
  --danger: #ff4d5a;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}
.wrap { max-width: 980px; margin: 0 auto; padding: 24px 16px 48px; }
header { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.logo { font-weight: 900; letter-spacing: .12em; font-size: 14px; color: var(--accent); }
.logo span { color: var(--text); }
.live { display: none; align-items: center; gap: 6px; font-size: 12px; font-weight: 700; letter-spacing: .1em; color: var(--danger); }
.live.on { display: inline-flex; }
.live i { width: 8px; height: 8px; border-radius: 50%; background: var(--danger); animation: pulse 1.2s infinite; }
@keyframes pulse { 50% { opacity: .25; } }
.stage {
  position: relative; background: #000; border: 1px solid var(--line); border-radius: 14px;
  aspect-ratio: 16 / 9; overflow: hidden; display: grid; place-items: center;
}
.stage video { width: 100%; height: 100%; object-fit: contain; background: #000; }
.overlay { position: absolute; inset: 0; display: grid; place-items: center; text-align: center; padding: 24px; gap: 12px; background: rgba(0,0,0,.55); }
.overlay.hide { display: none; }
.overlay h1 { margin: 0; font-size: clamp(22px, 4vw, 34px); }
.overlay p { margin: 0; color: var(--muted); max-width: 480px; }
.btn {
  appearance: none; border: 0; cursor: pointer; border-radius: 999px; padding: 12px 22px;
  font: inherit; font-weight: 700; background: var(--accent); color: #0a0a0c; transition: transform .08s;
}
.btn:active { transform: scale(.97); }
.btn.ghost { background: var(--panel); color: var(--text); border: 1px solid var(--line); }
.btn.danger { background: var(--danger); color: #fff; }
.btn.big { font-size: 18px; padding: 16px 32px; }
.btn[disabled] { opacity: .5; cursor: default; }
.row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-top: 16px; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 16px; margin-top: 16px; }
.panel h2 { margin: 0 0 8px; font-size: 13px; letter-spacing: .1em; color: var(--muted); text-transform: uppercase; }
.linkbox { display: flex; gap: 8px; }
.linkbox input { flex: 1; min-width: 0; background: #0a0a0c; border: 1px solid var(--line); color: var(--text); border-radius: 10px; padding: 12px 14px; font: inherit; }
.stats { display: flex; flex-wrap: wrap; gap: 18px; color: var(--muted); font-size: 13px; margin-top: 10px; }
.stats b { color: var(--text); font-variant-numeric: tabular-nums; }
.status { color: var(--muted); font-size: 14px; }
.status.err { color: var(--danger); }
label.chk { display: inline-flex; gap: 8px; align-items: center; color: var(--muted); cursor: pointer; }
.hint { color: var(--muted); font-size: 13px; margin-top: 10px; }
.hint code { background: #0a0a0c; padding: 2px 6px; border-radius: 6px; }