:root{font:16px system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#e5e7eb;background:#0b1220}*{box-sizing:border-box}body{margin:0}button,input{font:inherit}button{cursor:pointer;color:#fff;background:#2563eb;border:0;border-radius:10px;padding:11px 15px}button:disabled{opacity:.5;cursor:default}.danger{background:#b91c1c}input{color:#fff;background:#1f2937;border:1px solid #475569;border-radius:10px;padding:11px;min-width:0}header{display:flex;gap:12px;align-items:center;padding:12px max(16px,env(safe-area-inset-right));border-bottom:1px solid #334155}header strong{font-size:20px}#status{font-size:12px;color:#93c5fd;flex:1;text-align:right}header button{font-size:12px}main{max-width:1300px;margin:auto;padding:16px}#welcome{max-width:450px;margin:12vh auto 0;display:grid;gap:12px}#welcome[hidden],#room[hidden]{display:none}#notice{color:#fca5a5;min-height:20px}.callbar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:14px}.callbar span{margin-right:auto}.videos{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(240px,100%),1fr));gap:12px}.tile{position:relative;background:#111827;border:1px solid #334155;border-radius:12px;overflow:hidden;min-height:180px;aspect-ratio:16/10}.tile video{height:100%;width:100%;object-fit:cover;background:#030712}.tile.self video{transform:scaleX(-1)}.tile label{position:absolute;bottom:8px;left:8px;padding:5px 9px;background:#000a;border-radius:6px;font-size:12px}.chat{margin-top:18px;max-width:850px}.chat h2{font-size:17px}#messages{height:240px;overflow:auto;border:1px solid #334155;background:#111827;border-radius:12px;padding:12px}.line{margin-bottom:9px;white-space:pre-wrap;overflow-wrap:anywhere}.line b{color:#93c5fd}#form{display:flex;gap:8px;margin-top:10px}#message{flex:1}@media(max-width:600px){header{flex-wrap:wrap}#status{text-align:left}.callbar button{font-size:13px;padding:9px}.tile{min-height:130px}#messages{height:190px}}