:root{--bg:#10151b;--fg:#e6edf3;--dim:#8b9bab;--line:#263241;--ok:#3fb950;--warn:#d29922;--bad:#f85149;--accent:#2f81f7}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.5 ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif}
main{max-width:1000px;margin:0 auto;padding:24px 20px 48px}
header{display:flex;align-items:baseline;gap:16px;flex-wrap:wrap;margin-bottom:20px}
h1{font-size:1.4rem;margin:0;letter-spacing:-.01em}
.status{margin:0;font:500 .82rem/1 ui-monospace,SFMono-Regular,Menlo,monospace;padding:6px 10px;border-radius:999px;border:1px solid var(--line);color:var(--dim)}
.status[data-state="live"]{color:var(--ok);border-color:var(--ok)}
.status[data-state="wait"]{color:var(--warn);border-color:var(--warn)}
.status[data-state="error"]{color:var(--bad);border-color:var(--bad)}
.stage{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:14px}
figure{margin:0;background:#0b1016;border:1px solid var(--line);border-radius:10px;overflow:hidden}
video{display:block;width:100%;aspect-ratio:4/3;object-fit:cover;background:#070b0f;max-width:100%}
figcaption{padding:8px 12px;font-size:.8rem;color:var(--dim);border-top:1px solid var(--line)}
.bar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin:18px 0}
label{font-size:.85rem;color:var(--dim)}
input{background:#0b1016;border:1px solid var(--line);color:var(--fg);border-radius:7px;padding:9px 11px;font:inherit;font-size:.9rem;min-width:140px}
button{background:var(--accent);color:#fff;border:0;border-radius:7px;padding:9px 16px;font:inherit;font-size:.9rem;font-weight:500;cursor:pointer}
button[type=button]{background:transparent;color:var(--fg);border:1px solid var(--line)}
button:disabled{opacity:.45;cursor:not-allowed}
input:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.diag{margin-top:22px;border-top:1px solid var(--line);padding-top:14px}
summary{cursor:pointer;font-size:.85rem;color:var(--dim)}
dl{display:grid;grid-template-columns:max-content 1fr;gap:4px 16px;margin:12px 0 0;font:.8rem/1.5 ui-monospace,SFMono-Regular,Menlo,monospace}
dt{color:var(--dim)}
dd{margin:0;overflow-wrap:anywhere}