.chat-scene{display:grid;grid-template-columns:minmax(380px,460px) 1fr;height:100%;background:#111;gap:1px}.chat-scene-pane{display:flex;flex-direction:column;min-width:0;min-height:0;background:#181818}.chat-scene-label{flex:none;padding:8px 14px;font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:#9a9a9a;border-bottom:1px solid #2a2a2a;background:#1e1e1e}.chat-scene-body{flex:1;min-height:0;overflow:auto;position:relative}.chat-scene .sw-widgets{--bg: #181818;--surface: #1e1e1e;--elevated: #262626;--border: #333333;--text: #e8e8e8;--muted: #9a9a9a;--dim: #6b6b6b;--accent: #f0a500;--accent-blue: #4285f4;--success: #34a853;--danger: #ea4335;--warning: #f0a500}.chat-scene-chat .chat-scene-body{overflow:hidden}.chat-scene-chat .daslab-chat{height:100%}.chat-scene-canvas .chat-scene-body{padding:12px}.live-scene-loading,.live-scene-empty,.live-scene-error{display:flex;align-items:center;justify-content:center;height:100%;color:#6b6b6b;font-size:14px;text-align:center}.live-scene-error{color:#f85149}.live-scene-header{display:flex;align-items:center;gap:10px;margin:0 0 10px}.live-scene-header h1{font-size:14px;font-weight:600;color:#e8e8e8;margin:0}.live-scene-header .canvas-language-picker{margin-left:auto}.canvas-language-picker{appearance:none;background:#1c1c1c;color:#c9c9c9;border:1px solid #2e2e2e;border-radius:6px;padding:3px 22px 3px 8px;font-size:12px;line-height:1.4;cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 10 10'%3E%3Cpath d='M2 4l3 3 3-3' fill='none' stroke='%23888' stroke-width='1.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 6px center}.canvas-language-picker:hover{border-color:#3d3d3d;color:#e8e8e8}.canvas-language-picker.active{color:#f0a500;border-color:#f0a500}.canvas-language-picker:focus-visible{outline:2px solid #4a8cff;outline-offset:1px}.chat-scene.layout-sidebar{--chat-sidebar-w: clamp(360px, 32vw, 440px);grid-template-columns:1fr var(--chat-sidebar-w)}.chat-scene.layout-sidebar .chat-scene-canvas{order:1}.chat-scene.layout-sidebar .chat-scene-chat{order:2;border-left:1px solid #2a2a2a}.chat-scene.layout-sidebar .scene-asset-sheet-backdrop{right:var(--chat-sidebar-w)}.trace-replay-shell{display:flex;flex-direction:column;height:100%;min-height:0;background:#111;color:#e8e8e8;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif}.chat-scene{--sb-thumb: rgb(255 255 255 / .15);--sb-thumb-hover: rgb(255 255 255 / .3);scrollbar-width:thin;scrollbar-color:var(--sb-thumb) transparent}.chat-scene *{scrollbar-width:thin;scrollbar-color:var(--sb-thumb) transparent}.chat-scene *::-webkit-scrollbar{width:9px;height:9px}.chat-scene *::-webkit-scrollbar-track{background:transparent}.chat-scene *::-webkit-scrollbar-thumb{min-height:40px;border:3px solid transparent;border-radius:999px;background:var(--sb-thumb);background-clip:content-box}.chat-scene *::-webkit-scrollbar-thumb:hover{background:var(--sb-thumb-hover);background-clip:content-box}.trace-replay-split{flex:1;min-height:0}.trace-replay-timeline{flex:none;display:grid;grid-template-columns:34px minmax(0,1fr) minmax(120px,260px);align-items:center;gap:12px;min-height:74px;padding:10px 14px 12px;box-sizing:border-box;border-top:1px solid #303030;background:#151515;box-shadow:0 -12px 28px #00000038}.trace-replay-play{display:inline-flex;width:34px;height:34px;align-items:center;justify-content:center;border:1px solid #3a3a3a;border-radius:999px;background:#232323;color:#f2f2f2;cursor:pointer}.trace-replay-play:hover{border-color:#f0a500;color:#f0a500}.trace-replay-timeline-main{min-width:0}.trace-replay-timeline-head{display:flex;justify-content:space-between;gap:12px;margin-bottom:7px;font-size:11px;line-height:1.2;letter-spacing:.08em;text-transform:uppercase;color:#8b8b8b}.trace-replay-scrub{position:relative;height:30px}.trace-replay-track{position:absolute;left:0;right:0;top:13px;height:4px;border-radius:999px;background:#2d2d2d;overflow:visible}.trace-replay-progress{position:absolute;left:0;top:0;height:100%;border-radius:inherit;background:#f0a500}.trace-replay-marker{position:absolute;top:50%;width:10px;height:10px;padding:0;border:2px solid #151515;border-radius:50%;background:#6f6f6f;transform:translate(-50%,-50%);cursor:pointer}.trace-replay-marker:hover{background:#f0a500}.trace-replay-scrub input[type=range]{position:absolute;inset:0;width:100%;height:30px;margin:0;opacity:0;cursor:pointer}.trace-replay-now{min-width:0;color:#d8d8d8;font-size:13px;line-height:1.25;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-scene.layout-subtitle{grid-template-columns:1fr;grid-template-rows:1fr minmax(150px,24vh)}.chat-scene.layout-subtitle .chat-scene-canvas{order:1}.chat-scene.layout-subtitle .chat-scene-chat{order:2;border-top:1px solid #2a2a2a}.chat-scene.layout-vertical{grid-template-columns:1fr;grid-template-rows:1.5fr 1fr}.chat-scene.layout-vertical .chat-scene-canvas{order:1}.chat-scene.layout-vertical .chat-scene-chat{order:2;border-top:1px solid #2a2a2a}@media(max-width:760px){.chat-scene.layout-sidebar{grid-template-columns:1fr;grid-template-rows:1fr 1fr}.chat-scene.layout-sidebar .scene-asset-sheet-backdrop{right:0}.trace-replay-timeline{grid-template-columns:34px minmax(0,1fr);min-height:82px}.trace-replay-now{grid-column:2;font-size:12px}}.chat-scene-tabs{display:flex;gap:4px;margin-left:auto}.chat-scene-tab{font-size:11px;font-weight:600;font-family:inherit;padding:2px 10px;border-radius:99px;cursor:pointer;background:none;border:1px solid transparent;color:#8b98ad}.chat-scene-tab:hover{color:#cfd8e6}.chat-scene-tab.on{background:#16213a;border-color:#223154;color:#9dbcf6}.chat-scene-label{display:flex;align-items:center}.chat-scene-error{padding:24px;color:#f87171;font-family:system-ui,sans-serif}.chat-scene-tabpane{display:flex;flex-direction:column;height:100%;min-height:0}.chat-scene-tabpane[hidden]{display:none!important}