:root{--bg: #16213a;--panel: #5888f0;--card: #4a78dc;--text: #ffffff;--accent: #90d0f0;--online: #58c07a;--warning: #ffd166;--danger: #f82838;font-family:Segoe UI,system-ui,sans-serif;color:var(--text)}*{box-sizing:border-box}body{margin:0;background:var(--bg)}.app{min-height:100vh;display:flex;flex-direction:column}header{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;background:var(--panel)}header h1{margin:0;font-size:20px;font-weight:600}.tag{font-size:12px;background:#fff3;padding:2px 8px;border-radius:10px;margin-left:8px;vertical-align:middle}.conn{font-size:14px;padding:4px 10px;border-radius:12px;background:#00000040}.conn.connected{background:var(--online);color:#103}.conn.reconnecting,.conn.connecting{background:var(--warning);color:#321}main{display:grid;grid-template-columns:320px 1fr;gap:16px;padding:16px;flex:1}@media(max-width:800px){main{grid-template-columns:1fr}}aside{display:flex;flex-direction:column;gap:12px}.card{background:var(--card);border-radius:14px;padding:14px}.card h2{margin:0 0 10px;font-size:16px;display:flex;justify-content:space-between;align-items:center}.card.incoming{background:var(--accent);color:#16213a;animation:pulse 1s infinite alternate}@keyframes pulse{0%{box-shadow:0 0 #90d0f099}to{box-shadow:0 0 0 10px #90d0f000}}label{display:block;font-size:13px;margin-bottom:10px}input,select{width:100%;margin-top:4px;padding:8px;border-radius:8px;border:none;font-size:14px}button{border:none;border-radius:10px;padding:9px 14px;font-size:14px;cursor:pointer;background:#ffffff2e;color:var(--text)}button:disabled{opacity:.45;cursor:default}button.primary{background:var(--accent);color:#16213a;font-weight:600}button.danger{background:var(--danger)}button.ghost{background:transparent;padding:4px 8px}.row{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}.users{list-style:none;margin:0 0 10px;padding:0}.users li{display:flex;align-items:center;gap:10px;padding:8px 0;border-bottom:1px solid rgba(255,255,255,.15)}.users .name{flex:1;display:flex;flex-direction:column}.users small{opacity:.75;font-size:12px}.dot{width:12px;height:12px;border-radius:50%;background:#999;flex-shrink:0}.dot.online{background:var(--online)}.dot.in_call{background:var(--warning)}.stage{display:flex;flex-direction:column;gap:12px;min-width:0}.video-wrap{position:relative;background:#000;border-radius:14px;overflow:hidden;aspect-ratio:16 / 9}.video-wrap>video{width:100%;height:100%;object-fit:contain;display:block;cursor:crosshair}.video-wrap .pip{position:absolute;right:12px;bottom:12px;width:180px;height:auto;aspect-ratio:4 / 3;border-radius:10px;border:2px solid rgba(255,255,255,.5);object-fit:cover;cursor:default}.overlay{position:absolute;inset:0;pointer-events:none}.arrow{position:absolute;width:22px;height:22px;margin:-11px 0 0 -11px;border-radius:50%;border:3px solid var(--warning);background:#ffd16659}.arrow.mine{border-color:var(--accent);background:#90d0f059}.hint{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;text-align:center;padding:20px;color:#ffffffbf;pointer-events:none}.log{background:#00000059;border-radius:10px;padding:10px;margin:0;font-size:12px;height:180px;overflow:auto;white-space:pre-wrap}.check{display:flex;gap:6px;align-items:center;font-size:.9em;margin:8px 0}