:root{--bg: #0f1221;--panel: #1a1f36;--panel-2: #232a4a;--border: #2d3557;--text: #e8ebf7;--muted: #8b93b8;--accent: #5b8cff;--accent-hover: #4a7bf0;--error: #ff6b7a;--radius: 10px}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text)}a{color:var(--accent)}.center{min-height:100vh;display:grid;place-items:center;padding:24px}.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:28px;width:380px;max-width:100%;display:flex;flex-direction:column;gap:14px}.card h1,.card h2{margin:0}label{display:flex;flex-direction:column;gap:6px;font-size:14px;color:var(--muted)}input{background:var(--panel-2);border:1px solid var(--border);color:var(--text);border-radius:8px;padding:10px 12px;font-size:15px}input:focus{outline:2px solid var(--accent)}button{background:var(--accent);color:#fff;border:none;border-radius:8px;padding:11px 16px;font-size:15px;font-weight:600;cursor:pointer}button:hover{background:var(--accent-hover)}button:disabled{opacity:.6;cursor:default}button.link{background:none;color:var(--muted);padding:0;font-weight:400}button.link:hover{color:var(--text)}.muted{color:var(--muted)}.small{font-size:13px}.error{color:var(--error);font-size:14px;margin:0}.app{min-height:100vh;display:flex;flex-direction:column}.topbar{display:flex;align-items:center;gap:16px;padding:12px 20px;background:var(--panel);border-bottom:1px solid var(--border)}.topbar strong{font-size:17px}.topbar .link{margin-left:auto}.console{flex:1;display:flex;min-height:0}.stage{flex:1;display:flex;min-height:0;position:relative}.sidebar{width:320px;border-left:1px solid var(--border);background:var(--panel);display:flex}.viewer{flex:1;display:flex;flex-direction:column;background:#000;position:relative}.viewer video{flex:1;width:100%;height:100%;object-fit:contain;background:#000}.viewer video.hidden{display:none}.waiting{flex:1;display:grid;place-content:center;text-align:center;gap:10px;padding:24px}.code{font-size:44px;font-weight:700;letter-spacing:4px;color:var(--accent)}.joinlink{background:var(--panel-2);padding:8px 12px;border-radius:8px;display:inline-block}.statusbar{position:absolute;bottom:0;left:0;right:0;padding:8px 14px;background:#0000008c}.statusbar .note{color:var(--muted)}.devices{list-style:none;margin:8px 0 0;padding:0;display:flex;flex-direction:column;gap:8px}.devices li{display:flex;align-items:center;gap:10px;background:var(--panel-2);padding:8px 12px;border-radius:8px}.devices .name{font-weight:600}.devices button{margin-left:auto;padding:6px 12px}.devices .dot{width:9px;height:9px;border-radius:50%;background:var(--muted);flex:none}.devices .dot.online{background:#3fb950}.devices .dot.offline{background:#6e7681}.fullctrl{margin-top:14px;border-top:1px solid var(--border);padding-top:12px}.fullctrl summary{cursor:pointer;font-size:14px}.fullctrl .joinlink{margin:8px 0;word-break:break-all}.chat{display:flex;flex-direction:column;width:100%}.chat-header{padding:14px 16px;border-bottom:1px solid var(--border);font-weight:600}.chat-messages{flex:1;overflow-y:auto;padding:14px 16px;display:flex;flex-direction:column;gap:10px}.chat-msg{background:var(--panel-2);padding:8px 10px;border-radius:8px;max-width:85%}.chat-msg.self{align-self:flex-end;background:var(--accent)}.chat-body{display:block;font-size:14px}.chat-time{display:block;font-size:11px;color:var(--muted);margin-top:2px}.chat-input{display:flex;gap:8px;padding:12px;border-top:1px solid var(--border)}.chat-input input{flex:1}.chat-input button{padding:10px 14px}.devices button+button{margin-left:0}.steps{margin:0;padding-left:18px;display:flex;flex-direction:column;gap:4px}.cmd{display:block;background:var(--panel-2);padding:8px 12px;border-radius:8px;font-size:13px;word-break:break-all;-webkit-user-select:all;user-select:all}