:root {
  --bg: #16181d;
  --panel: #1e2128;
  --panel-2: #262a33;
  --border: #2f343f;
  --text: #e6e8ec;
  --muted: #98a0ad;
  --accent: #5865f2;
  --live: #e02f44;
  --good: #3ba55d;
  --warn: #faa61a;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 -apple-system, "Segoe UI", Roboto, Ubuntu, sans-serif;
  display: flex; align-items: center; justify-content: center; min-height: 100vh;
}
#app { width: 100%; max-width: 980px; padding: 20px; }
.card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 14px;
  padding: 22px; box-shadow: 0 10px 40px rgba(0,0,0,.35);
}
h1 { font-size: 20px; margin: 0 0 4px; }
h2 { font-size: 15px; margin: 18px 0 8px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }
.muted { color: var(--muted); }
.row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.spread { justify-content: space-between; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px,1fr)); gap: 10px; }
.kv { background: var(--panel-2); border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px; }
.kv .k { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.kv .v { font-size: 16px; font-weight: 600; margin-top: 2px; }
label { display: block; font-size: 13px; color: var(--muted); margin: 0 0 4px; }
select, button {
  font: inherit; color: var(--text); background: var(--panel-2);
  border: 1px solid var(--border); border-radius: 10px; padding: 10px 14px; cursor: pointer;
}
select { min-width: 160px; }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
button.danger { background: var(--live); border-color: var(--live); color: #fff; font-weight: 600; }
button:disabled { opacity: .5; cursor: not-allowed; }
.controls { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 14px; }
video {
  width: 100%; background: #000; border-radius: 12px; border: 1px solid var(--border);
  aspect-ratio: 16 / 9; object-fit: contain; margin-top: 14px;
}
.badge { display: inline-flex; align-items: center; gap: 7px; font-weight: 700; font-size: 13px;
  background: rgba(224,47,68,.15); color: var(--live); border: 1px solid var(--live);
  padding: 4px 10px; border-radius: 999px; }
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--live); animation: pulse 1.4s infinite; }
@keyframes pulse { 0%,100% { opacity: 1 } 50% { opacity: .3 } }
.qual-good { color: var(--good); } .qual-warn { color: var(--warn); } .qual-bad { color: var(--live); }
.toast { margin-top: 12px; padding: 10px 12px; border-radius: 10px; background: var(--panel-2); border: 1px solid var(--border); }
.toast.err { border-color: var(--live); color: #ffb3bd; }
.checkbox { display: flex; align-items: center; gap: 8px; cursor: pointer; }
.checkbox input { width: 18px; height: 18px; }
.hidden { display: none !important; }
.center { text-align: center; }
.big { font-size: 22px; font-weight: 700; }
.logo { color: var(--live); }