:root{--bg:#0e1116;--panel:#161b22;--border:#262d38;--text:#e6edf3;--dim:#8b949e;--accent:#2f81f7;--danger:#f85149;--ok:#3fb950;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;font:14px/1.5 -apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,sans-serif}button{font:inherit;cursor:pointer;border:1px solid var(--border);background:var(--panel);color:var(--text);border-radius:6px;padding:8px 14px;transition:background .15s,border-color .15s}button:hover:not(:disabled){border-color:#3d4757}button:disabled{opacity:.45;cursor:not-allowed}button.primary{background:var(--accent);border-color:var(--accent);color:#fff}button.primary:hover:not(:disabled){background:#1f6feb}button.ghost{background:0 0}button.small{padding:5px 10px;font-size:13px}button.danger{color:var(--danger)}button.danger:hover:not(:disabled){border-color:var(--danger)}input,textarea{font:inherit;border:1px solid var(--border);width:100%;color:var(--text);background:#0d1117;border-radius:6px;padding:9px 11px}input:focus,textarea:focus{border-color:var(--accent);outline:none}.error{color:var(--danger);margin:6px 0 0}.error.small{font-size:12px}.empty{color:var(--dim);text-align:center;padding:32px 0}.hint{color:var(--dim);margin:10px 0 4px;font-size:12px}.join-wrap{place-items:center;min-height:100vh;padding:24px;display:grid}.join-card{background:var(--panel);border:1px solid var(--border);border-radius:12px;width:100%;max-width:420px;padding:28px}.join-card h1{margin:0 0 20px;font-size:20px}.join-card label{color:var(--dim);margin-bottom:14px;font-size:13px;display:block}.join-card label input{margin-top:6px}.join-card>button{width:100%}.join-card hr{border:none;border-top:1px solid var(--border);margin:20px 0}.badge-host{color:#79c0ff;background:#2f81f726;border:1px solid #2f81f766;border-radius:6px;margin:0 0 16px;padding:6px 10px;font-size:13px}.created{margin-top:16px}.created code{letter-spacing:2px;background:#0d1117;border-radius:4px;padding:2px 8px}.created input{margin-bottom:4px;font-size:12px}.room{flex-direction:column;height:100vh;display:flex}.room-head{border-bottom:1px solid var(--border);background:var(--panel);justify-content:space-between;align-items:center;padding:10px 16px;display:flex}.room-head .code{color:var(--dim);letter-spacing:2px;margin-left:10px;font-size:13px}.head-right{align-items:center;gap:10px;display:flex}.head-right .who{color:var(--dim)}.tag{border-radius:10px;padding:2px 8px;font-size:12px}.tag-host{color:#79c0ff;background:#2f81f72e}.tag-speaker{color:#56d364;background:#3fb9502e}.tag-viewer{color:var(--dim);background:#21262d}.room-main{flex:1;min-height:0;display:flex}.stage{flex-direction:column;flex:1;gap:12px;min-width:0;padding:16px;display:flex}.stage-empty{color:var(--dim);border:1px dashed var(--border);border-radius:10px;flex:1;place-items:center;display:grid}.tile{border:1px solid var(--border);background:#000;border-radius:10px;position:relative;overflow:hidden}.tile video{width:100%;height:100%;display:block}.tile-screen{flex:1;min-height:0}.tile-screen video{height:100%}.tile-label{background:#0009;border-radius:4px;padding:2px 8px;font-size:12px;position:absolute;bottom:8px;left:8px}.cam-grid{flex:1;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:12px;min-height:0;display:grid}.cam-strip{flex-shrink:0;gap:10px;height:120px;display:flex}.cam-strip .tile{flex-shrink:0;width:180px}.side{border-left:1px solid var(--border);background:var(--panel);flex-direction:column;flex-shrink:0;width:340px;display:flex}.tabs{border-bottom:1px solid var(--border);display:flex}.tabs button{color:var(--dim);background:0 0;border:none;border-bottom:2px solid #0000;border-radius:0;flex:1;padding:12px}.tabs button.on{color:var(--text);border-bottom-color:var(--accent)}.tabs em{background:var(--danger);color:#fff;border-radius:9px;margin-left:4px;padding:0 6px;font-size:11px;font-style:normal}.panel-body{flex-direction:column;flex:1;min-height:0;display:flex}.chat-list{flex:1;padding:12px;overflow-y:auto}.msg{margin-bottom:12px}.msg-head{align-items:center;gap:6px;margin-bottom:3px;display:flex}.msg-name{color:var(--dim);font-size:12px}.msg-body{word-break:break-word;white-space:pre-wrap;background:#21262d;border-radius:8px;padding:8px 11px}.msg-mine .msg-body{background:#2f81f729}.link-danger{color:var(--danger);opacity:0;background:0 0;border:none;padding:0 4px;font-size:12px;transition:opacity .15s}.msg:hover .link-danger{opacity:1}.chat-input{border-top:1px solid var(--border);padding:10px}.chat-input textarea{resize:none;margin-bottom:8px}.chat-input button{width:100%}.hand-list{flex:1;padding:12px;overflow-y:auto}.hand-item{border:1px solid var(--border);border-radius:8px;justify-content:space-between;align-items:center;margin-bottom:8px;padding:10px;display:flex}.hand-name{font-weight:500}.hand-time{color:var(--dim);font-size:12px}.hand-actions{gap:6px;display:flex}.controls{border-top:1px solid var(--border);background:var(--panel);align-items:center;gap:10px;padding:12px 16px;display:flex}.ctl{min-width:130px}.ctl.on{border-color:var(--accent);color:#79c0ff;background:#2f81f733}.hint-inline{color:var(--ok);font-size:13px}.conn{color:var(--dim);margin-left:auto;font-size:12px}@media (width<=860px){.room-main{flex-direction:column}.side{border-left:none;border-top:1px solid var(--border);width:100%;height:45vh}.controls{flex-wrap:wrap}}