:root{--bg: #0e1525;--card: #17223a;--text: #e8ecf1;--muted: #a6b0bf;--accent: #2eaadc;--danger: #d65a5a}*{box-sizing:border-box}body{margin:0;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background:radial-gradient(circle at top,#1d2e53,var(--bg));color:var(--text)}.app{max-width:980px;margin:0 auto;padding:20px;display:grid;gap:14px}h1,h2{margin:0 0 8px}.card{background:#17223af2;border:1px solid rgba(255,255,255,.1);border-radius:10px;padding:14px}label{display:block;margin-bottom:10px}label.inline{display:inline-flex;align-items:center;gap:6px;margin-right:12px}input,textarea,button{width:100%;border-radius:8px;border:1px solid rgba(255,255,255,.16);padding:9px 10px;font:inherit}textarea,input{background:#0f1b31;color:var(--text)}.actions{display:grid;gap:8px;grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}button{background:var(--accent);color:#fff;border:none;cursor:pointer;font-weight:600}#leaveBtn{background:var(--danger)}video,audio{width:100%;background:#000;border-radius:8px}.remote-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px}.tile{background:#111a2d;border:1px solid rgba(255,255,255,.1);border-radius:8px;padding:8px}.tile-title{margin:0 0 6px;color:var(--muted);font-size:12px}.media-wrap{display:grid;gap:8px}.muted{color:var(--muted)}#logOutput{min-height:140px;max-height:260px;overflow:auto;background:#0b1322;border-radius:8px;padding:10px;margin:0;white-space:pre-wrap}