:root{color-scheme:dark;--bg:#0f1115;--card:#181b22;--line:#2a2f3a;--fg:#e8eaf0;--mut:#9aa3b2;--acc:#4f8cff;--bad:#ff5d5d;--ok:#3ecf8e}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
main{max-width:720px;margin:0 auto;padding:24px 16px}
h1{font-size:1.4rem;margin:.2em 0 .6em}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px;margin:14px 0}
label{display:block;margin:10px 0 4px;color:var(--mut);font-size:.9rem}
input[type=text],select,input[type=number]{width:100%;padding:10px 12px;background:#0f1115;color:var(--fg);border:1px solid var(--line);border-radius:8px;font-size:1rem}
button{background:var(--acc);color:#fff;border:0;border-radius:8px;padding:10px 16px;font-size:1rem;cursor:pointer;margin:6px 6px 0 0}
button.sec{background:#2a2f3a}button.bad{background:var(--bad)}button:disabled{opacity:.5;cursor:default}
.mut{color:var(--mut);font-size:.9rem}.err{color:var(--bad)}.ok{color:var(--ok)}
.hidden{display:none!important}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
code,.link{word-break:break-all;background:#0f1115;border:1px solid var(--line);border-radius:8px;padding:8px 10px;display:block;margin:8px 0;font-family:ui-monospace,monospace;font-size:.85rem}
table{width:100%;border-collapse:collapse}td,th{text-align:left;padding:8px 6px;border-bottom:1px solid var(--line);font-size:.92rem}
#stage{position:fixed;inset:0;background:var(--bg);display:flex;flex-direction:column}
#grid{flex:1;display:grid;gap:8px;padding:8px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));grid-auto-rows:minmax(0,1fr);overflow:auto}
.tile{position:relative;background:#000;border-radius:10px;overflow:hidden;min-height:140px}
.tile video{width:100%;height:100%;object-fit:cover;background:#000}
.tile.screen video{object-fit:contain}
.tile .nm{position:absolute;left:8px;bottom:8px;background:rgba(0,0,0,.65);padding:2px 8px;border-radius:6px;font-size:.85rem}
.tile .av{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:2.4rem;color:var(--mut)}
#bar{display:flex;gap:6px;justify-content:center;align-items:center;padding:8px;background:var(--card);border-top:1px solid var(--line);flex-wrap:wrap}
#banner{padding:6px 10px;text-align:center;font-size:.85rem;background:#10281e;color:var(--ok)}
#banner.warn{background:#3a1c1c;color:var(--bad)}
.top{margin-top:10px}.nomar{margin:0}.h2{margin-top:0;font-size:1.1rem}