:root{
  --bg:#0d1117; --panel:#161b22; --line:#272e39; --fg:#e6edf3; --muted:#9198a1;
  --accent:#2f81f7; --danger:#e5534b; --ok:#3fb950;
  --radius:14px;
}
@media (prefers-color-scheme: light){
  :root{ --bg:#f6f8fa; --panel:#fff; --line:#d8dee4; --fg:#1f2328; --muted:#636c76; }
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0; background:var(--bg); color:var(--fg);
  font:16px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  -webkit-text-size-adjust:100%;
}
.wrap{max-width:820px;margin:0 auto;padding:20px 16px 40px;display:flex;flex-direction:column;gap:16px;min-height:100%}
header{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
h1{font-size:1.15rem;margin:0;letter-spacing:.2px}
.sub{color:var(--muted);font-size:.9rem;margin:0}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px}
.stage{position:relative;background:#000;border-radius:var(--radius);overflow:hidden;aspect-ratio:9/16;max-height:62vh;margin-inline:auto;width:100%}
.stage.wide{aspect-ratio:16/9}
video{width:100%;height:100%;object-fit:contain;display:block;background:#000}
.overlay{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  text-align:center;padding:24px;color:#c9d1d9;background:rgba(0,0,0,.62);font-size:.95rem
}
.overlay[hidden]{display:none}
.badge{
  position:absolute;top:10px;left:10px;display:flex;gap:8px;align-items:center;
  background:rgba(0,0,0,.6);color:#fff;border-radius:999px;padding:6px 12px;font-size:.82rem;font-variant-numeric:tabular-nums
}
.dot{width:9px;height:9px;border-radius:50%;background:var(--muted)}
.dot.live{background:var(--danger);animation:pulse 1.6s infinite}
@keyframes pulse{50%{opacity:.35}}
.row{display:flex;gap:10px;flex-wrap:wrap}
button{
  flex:1 1 auto;min-height:48px;padding:0 18px;border-radius:12px;border:1px solid var(--line);
  background:var(--panel);color:var(--fg);font-size:1rem;font-weight:600;cursor:pointer;
  transition:filter .12s ease, opacity .12s ease
}
button:hover:not(:disabled){filter:brightness(1.15)}
button:disabled{opacity:.45;cursor:not-allowed}
button.primary{background:var(--accent);border-color:transparent;color:#fff}
button.danger{background:var(--danger);border-color:transparent;color:#fff}
.stat{display:flex;align-items:baseline;gap:10px}
.stat b{font-size:2rem;font-variant-numeric:tabular-nums;line-height:1}
.link-box{display:flex;gap:8px;align-items:center}
.link-box input{
  flex:1;min-width:0;min-height:44px;padding:0 12px;border-radius:10px;border:1px solid var(--line);
  background:var(--bg);color:var(--fg);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.85rem
}
.link-box button{flex:0 0 auto}
.note{color:var(--muted);font-size:.85rem;margin:8px 0 0}
.status{font-size:.9rem;color:var(--muted);min-height:1.4em}
.status.err{color:var(--danger)}
.status.ok{color:var(--ok)}
a{color:var(--accent)}
.center{text-align:center;margin:auto}