* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #0b0f14; --panel: #121a24; --line: #22303f; --text: #e7edf4;
  --dim: #93a4b5; --accent: #ffd166; --danger: #ef5350; --ok: #6ee7a0;
}
body { background: var(--bg); color: var(--text); font: 15px/1.45 system-ui, -apple-system, "Segoe UI", sans-serif; padding: 16px; }
header h1 { font-size: 20px; letter-spacing: .3px; }
.tag { font-size: 12px; color: var(--bg); background: var(--accent); border-radius: 999px; padding: 2px 10px; vertical-align: middle; margin-left: 8px; }
.status { color: var(--dim); margin: 6px 0 12px; min-height: 1.4em; }
.status.err { color: var(--danger); }

.controls { display: flex; flex-wrap: wrap; gap: 8px; align-items: stretch; margin-bottom: 14px; }
.sep { width: 1px; background: var(--line); margin: 0 4px; }
.btn {
  background: var(--panel); color: var(--text); border: 1px solid var(--line); border-radius: 10px;
  padding: 10px 14px; font-size: 14px; cursor: pointer; display: inline-flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 2px; min-height: 44px; user-select: none;
}
.btn:hover { border-color: var(--accent); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn.primary { background: var(--accent); color: #1a1a1a; font-weight: 700; }
.rungs { display: flex; gap: 6px; }
.btn.rung small { color: var(--dim); font-size: 11px; }
.btn.rung.active { border-color: var(--accent); background: #2a2410; }
.btn.rung.active small { color: var(--accent); }

main { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 860px) { main { grid-template-columns: 1fr; } }
.panel figcaption { color: var(--dim); font-size: 13px; margin-bottom: 6px; }
.frame { position: relative; background: #000; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; aspect-ratio: 4/3; }
.frame video, .frame canvas { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
video.mirrored { transform: scaleX(-1); }

.stats { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 8px 14px; min-width: 110px; }
.stat b { display: block; font-size: 18px; color: var(--accent); font-variant-numeric: tabular-nums; }
.stat span { font-size: 11px; color: var(--dim); }
.stat.gauge { flex: 1; min-width: 260px; }
.bar { position: relative; height: 18px; background: #0e1520; border-radius: 6px; overflow: hidden; margin-bottom: 4px; }
.bar i { position: absolute; top: 0; bottom: 0; left: 0; border-radius: 6px; }
#barWire { background: var(--accent); width: 0%; }
#barVideo { background: transparent; border-right: 3px solid var(--danger); width: 100%; }

footer { margin-top: 16px; color: var(--dim); font-size: 13px; max-width: 900px; }
footer b { color: var(--text); }