:root{--bg:#f4f6fa;--surface:#fff;--fg:#14181f;--fg2:#4a5568;--fg3:#7b8494;--border:#dde2ea;--accent:#2f6fed;--ok:#1f9d55;--okbg:#e7f6ec;--bad:#d64545;--badbg:#fdecec;--warn:#b7791f;--warnbg:#fdf5e6;--pend:#eef1f5;color-scheme:light}@media(prefers-color-scheme:dark){:root{--bg:#0f1319;--surface:#171c24;--fg:#e8ecf2;--fg2:#b4bccb;--fg3:#7d8697;--border:#2a3240;--okbg:#13301f;--badbg:#3a1a1a;--warnbg:#3a2d12;--pend:#1f2530;color-scheme:dark}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font:14px/1.45 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}button{font:inherit;padding:7px 14px;border-radius:8px;border:1px solid var(--border);background:var(--surface);color:var(--fg);cursor:pointer}button:disabled{opacity:.5;cursor:default}button.primary{background:var(--accent);border-color:var(--accent);color:#fff}button.link{border:0;background:none;color:var(--fg3)}input,textarea{font:inherit;width:100%;padding:8px 10px;border-radius:8px;border:1px solid var(--border);background:var(--bg);color:var(--fg)}textarea{font-family:ui-monospace,Menlo,monospace;font-size:12px}label{display:flex;flex-direction:column;gap:4px;font-size:12px;color:var(--fg2);margin-bottom:10px}h1{font-size:20px;margin:0 0 16px}h2{font-size:15px;margin:0 0 10px}h3{font-size:13px;margin:16px 0 8px}.card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:16px;margin-bottom:16px}.hint{color:var(--fg3);font-size:12px}.muted{color:var(--fg3)}.err{color:var(--bad);margin:8px 0 0}.login{min-height:100vh;display:grid;place-items:center;padding:16px}.login .card{width:min(360px,100%);display:flex;flex-direction:column;gap:6px}header{display:flex;justify-content:space-between;align-items:center;padding:10px 16px;background:var(--surface);border-bottom:1px solid var(--border)}header nav{display:flex;gap:8px}header .brand{border:0;font-size:16px}header nav .on{border-color:var(--accent)}main{padding:20px 16px;max-width:1200px;margin:0 auto}.narrow{max-width:560px}.modules{display:grid;gap:14px;grid-template-columns:repeat(auto-fill,minmax(min(280px,100%),1fr))}.modules h1{grid-column:1 / -1}.module{text-align:left;padding:18px;border-radius:12px}.module p{color:var(--fg2);margin:0}.module.off{background:var(--pend);border:1px dashed var(--border);opacity:.7}.grid3{display:grid;gap:0 12px;grid-template-columns:repeat(auto-fit,minmax(min(200px,100%),1fr))}.grid2{display:grid;gap:0 12px;grid-template-columns:repeat(auto-fit,minmax(min(380px,100%),1fr))}.pw{display:flex;gap:6px}.pw button{white-space:nowrap}.result.ok{background:var(--okbg);border-color:var(--ok)}.result.fail{background:var(--badbg);border-color:var(--bad)}.result.pending{background:var(--pend)}.result p{margin:0}.checks{list-style:none;margin:0;padding:0;display:grid;gap:6px}.checks li{display:flex;flex-wrap:wrap;justify-content:space-between;gap:4px 12px;padding:8px 12px;border-radius:8px;background:var(--pend)}.checks li.ok{background:var(--okbg)}.checks li.fail{background:var(--badbg)}.checks li.warn{background:var(--warnbg)}.checks span{color:var(--fg2)}.list{list-style:none;padding:0;margin:0 0 8px}.list li{display:flex;gap:12px;align-items:center;padding:6px 0}.list li span:first-child{flex:1}.players{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(min(420px,100%),1fr))}.pcol{display:flex;flex-direction:column;gap:10px}.player{position:relative;background:#000;border-radius:10px;overflow:hidden;aspect-ratio:16 / 9}.player video{width:100%;height:100%;object-fit:contain;display:block}.ptitle{position:absolute;left:8px;top:6px;z-index:1;color:#fff;font-size:12px;text-shadow:0 1px 2px #000}.pover{position:absolute;inset:0;display:grid;place-items:center;color:#cbd2dd;font-size:13px}