.replayer-wrapper{position:relative}.replayer-mouse{position:absolute;width:20px;height:20px;transition:left .05s linear,top .05s linear;background-size:contain;background-position:center 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1}.replayer-mouse.touch-device{background-image:none;width:70px;height:70px;border-width:4px;border-style:solid;border-radius:100%;margin-left:-37px;margin-top:-37px;border-color:#4950f600;transition:left 0s linear,top 0s linear,border-color .2s ease-in-out}.replayer-mouse.touch-device.touch-active{border-color:#4950f6;transition:left .25s linear,top .25s linear,border-color .2s ease-in-out}.replayer-mouse.touch-device:after{opacity:0}.replayer-mouse.touch-device.active:after{animation:touch-click .2s ease-in-out 1}.replayer-mouse-tail{position:absolute;pointer-events:none}@keyframes click{0%{opacity:.3;width:20px;height:20px}50%{opacity:.5;width:10px;height:10px}}@keyframes touch-click{0%{opacity:0;width:20px;height:20px}50%{opacity:.5;width:10px;height:10px}}:root{font-family:Figtree,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color-scheme:dark;--bg: #0e1530;--panel: #131b3a;--panel-2: #18224a;--line: #222d57;--line-2: #33406f;--text: #eef1fa;--muted: #a3acc9;--faint: #7581a6;--accent: #2347e0;--accent-hover: #1b39bd;--accent-soft: rgba(35, 71, 224, .35);--good: #2ecc71;--warn: #ffc93c;--warn-soft: rgba(255, 201, 60, .1);--warn-line: rgba(255, 201, 60, .4);--bad: #e74c3c;--btn: #1d2750;--btn-hover: #263266}*{box-sizing:border-box}html,body{background:var(--bg)}body{margin:0;color:var(--text)}code{color:#b4c2ff}.shell{display:flex;flex-direction:column;height:100vh}header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 22px;background:var(--panel);border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;min-width:0}.brand .wordmark{display:block;flex:none;color:#f4f6fc}.brand .symbol{display:block;flex:none}.brand-divider{width:1px;height:26px;background:var(--line-2);flex:none}.brand-text{min-width:0}.brand .title{font-weight:600;font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.brand .subtitle{font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.conn-note{color:var(--warn)}.status{display:flex;align-items:center;gap:10px;font-size:13px;flex:none}.status .count{display:inline-grid;place-items:center;min-width:22px;height:22px;padding:0 6px;border-radius:11px;background:var(--accent);color:#fff;font-weight:700;font-size:12px;margin-right:-4px}.pill{display:inline-flex;align-items:center;gap:7px;padding:5px 10px;border-radius:999px;font-size:12px;font-weight:600;background:var(--panel-2);border:1px solid var(--line-2);color:var(--text);white-space:nowrap}.pill .dot{width:8px;height:8px;border-radius:50%}.pill.good{border-color:#2ecc7199;color:#86efac}.pill.warn{border-color:var(--warn-line);color:var(--warn)}.btn{padding:7px 12px;font-size:12.5px;font-weight:600;cursor:pointer;border:1px solid var(--line-2);background:var(--btn);color:var(--text);border-radius:8px;white-space:nowrap;font-family:inherit}a.btn{display:inline-flex;align-items:center;text-decoration:none}.btn:hover:not(:disabled){background:var(--btn-hover)}.btn:disabled{opacity:.45;cursor:not-allowed}.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn.primary:hover:not(:disabled){background:var(--accent-hover)}.btn.warn{border-color:var(--warn-line);color:var(--warn)}.btn.danger{border-color:#e74c3c99;color:#fca5a5}.btn.danger:hover:not(:disabled){background:#e74c3c26}.btn.ghost{background:transparent}.btn.ghost:hover:not(:disabled){background:var(--btn)}.btn.block{width:100%;padding:10px 14px;font-size:14px}.link{background:none;border:0;color:var(--muted);cursor:pointer;font-size:13px}.link:hover{color:var(--text)}.login-shell{min-height:100vh;display:grid;place-items:center;padding:24px 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var(--accent-soft)}.login-error{font-size:13px;color:#fca5a5;background:#e74c3c1f;border:1px solid rgba(231,76,60,.4);border-radius:8px;padding:8px 10px}.login-notice{font-size:13px;color:var(--warn);background:var(--warn-soft);border:1px solid var(--warn-line);border-radius:8px;padding:8px 10px}.account-banner{margin:10px 22px 0;padding:9px 12px;font-size:13px;line-height:1.45;border-radius:8px;color:var(--warn);background:var(--warn-soft);border:1px solid var(--warn-line)}.account-banner[data-kind=inactive],.account-banner[data-kind=suspended]{color:#fca5a5;background:#e74c3c1f;border-color:#e74c3c66}.lobby{flex:1;overflow:auto;padding:20px 16px}.sessions{list-style:none;margin:0 auto;padding:0;max-width:760px;display:flex;flex-direction:column;gap:10px}.session{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 18px;background:var(--panel);border:1px solid var(--line);border-radius:12px;transition:border-color .12s,background 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8px;border-radius:999px;font-size:11px;font-weight:700;background:var(--warn-soft);border:1px solid var(--warn-line);color:var(--warn)}.s-join{padding:8px 14px;font-size:13px;font-weight:700;cursor:pointer;border:0;border-radius:8px;background:var(--accent);color:#fff;font-family:inherit}.s-join:hover:not(:disabled){background:var(--accent-hover)}.s-join:disabled{background:var(--btn);color:var(--faint);cursor:not-allowed}.session.mine .s-join{background:#15803d}.empty{max-width:520px;margin:12vh auto 0;text-align:center;color:var(--muted);font-size:15px}.empty-glyph{font-size:40px;margin-bottom:12px;opacity:.8}.empty-sub{font-size:13px;color:var(--faint);margin-top:8px}.toolbar{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:10px 22px;background:#111833;border-bottom:1px solid var(--line)}.toolbar .spacer{flex:1}.tool-group{display:inline-flex;padding:3px;gap:2px;border-radius:9px;background:var(--bg);border:1px solid var(--line-2)}.tool{padding:6px 12px;font-size:12.5px;font-weight:600;cursor:pointer;border:0;border-radius:6px;background:transparent;color:var(--muted);font-family:inherit}.tool:hover:not(:disabled){color:var(--text);background:var(--btn)}.tool.on,.tool.on:hover:not(:disabled){background:var(--accent);color:#fff}.tool:disabled{opacity:.45;cursor:not-allowed}.problem{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:10px 22px 0;padding:8px 12px;font-size:13px;border-radius:8px;color:var(--warn);background:var(--warn-soft);border:1px solid var(--warn-line)}.body{flex:1;display:flex;min-height:0}.stage{flex:1;display:flex;flex-direction:column;padding:16px;min-width:0}.stage-frame{position:relative;flex:1;display:flex;min-height:0}.mirror{flex:1;min-width:0;background:#10172f;border-radius:10px;overflow:auto;border:1px solid var(--line);position:relative}.mirror .replayer-wrapper{position:relative;width:max-content;margin:0}.mirror iframe{border:0;display:block;background:#fff}.mirror .replayer-mouse{z-index:5;pointer-events:none}.cb-overlay{position:absolute;top:0;right:0;bottom:0;left:0;z-index:10;outline:none;user-select:none;-webkit-user-select:none;touch-action:none}.cb-overlay[data-tool=control]{box-shadow:inset 0 0 0 2px #2ecc718c}.cb-overlay[data-tool=laser],.cb-overlay[data-tool=draw]{box-shadow:inset 0 0 0 2px #2347e099}.cb-overlay:focus-visible{box-shadow:inset 0 0 0 2px var(--accent)}.stage-banner{position:absolute;top:14px;left:50%;transform:translate(-50%);z-index:20;display:flex;align-items:center;gap:10px;max-width:calc(100% - 32px);padding:8px 14px;font-size:13px;border-radius:999px;pointer-events:none;background:#131b3af0;border:1px solid var(--line-2);color:var(--text);box-shadow:0 8px 24px #00000059}.spinner{width:12px;height:12px;border-radius:50%;flex:none;border:2px solid var(--line-2);border-top-color:#8fa3ff;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.stage-card{position:absolute;top:0;right:0;bottom:0;left:0;z-index:30;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;text-align:center;padding:16px;border-radius:10px;background:#0e1530cc}.stage-card-title{font-size:18px;font-weight:700}.stage-card-sub{font-size:13px;color:var(--muted);max-width:420px;margin-bottom:6px}.code-input{width:190px;padding:10px 12px;text-align:center;font-size:24px;letter-spacing:.18em;font-variant-numeric:tabular-nums;background:var(--bg);color:var(--text);border:1px solid var(--line-2);border-radius:10px}.code-input:focus{outline:2px solid var(--accent);outline-offset:1px}.code-actions{display:flex;gap:8px;margin-top:4px}.log{width:320px;padding:16px;border-left:1px solid var(--line);background:var(--panel);overflow:auto;flex:none}.stage-label,.log-label{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--faint);margin-bottom:8px}.log 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12px;font:inherit;font-size:13px;background:var(--bg);color:var(--text);border:1px solid var(--line-2);border-radius:9px}.chat-input:focus{outline:2px solid var(--accent);outline-offset:1px}.s-badge.s-chat{background:var(--accent-soft);border-color:var(--accent);color:#dfe5ff}@media(max-width:900px){header,.toolbar{padding-left:16px;padding-right:16px}.account-banner,.problem{margin-left:16px;margin-right:16px}.status{flex-wrap:wrap}header{flex-wrap:wrap}.log{display:none}.chat{width:100%;border-left:0;border-top:1px solid var(--line)}.body{flex-direction:column}.stage{padding:12px 16px}.session{flex-direction:column;align-items:stretch}.s-meta{justify-content:space-between}}@media(prefers-reduced-motion:reduce){.spinner{animation:none}}