:root{--bg:#1a1a1f;--surface:#242429;--surface2:#2e2e35;--border:#3a3a44;--accent:#2563eb;--accent-hover:#3b82f6;--text:#e8e8f0;--text-muted:#889;--danger:#ff5c5c}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);height:100vh;font-family:system-ui,sans-serif;font-size:13px;overflow:hidden}#root{flex-direction:column;height:100vh;display:flex}button{cursor:pointer;background:var(--surface2);color:var(--text);border:none;border-radius:4px;padding:4px 8px;font-family:inherit;font-size:12px;transition:background .15s}button:hover{background:var(--border)}button.active,button.primary{background:var(--accent);color:#fff}button.active:hover,button.primary:hover{background:var(--accent-hover)}button.danger{color:var(--danger);background:0 0}button.danger:hover{background:#ff5c5c26}input[type=text],select,textarea{background:var(--bg);color:var(--text);border:1px solid var(--border);border-radius:4px;outline:none;width:100%;padding:3px 6px;font-family:inherit;font-size:12px}input[type=text]:focus,select:focus,textarea:focus{border-color:var(--accent)}input[type=color]{border:1px solid var(--border);background:var(--bg);cursor:pointer;border-radius:4px;width:28px;height:24px;padding:1px 2px}input[type=range]{width:100%;accent-color:var(--accent)}select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%23888899'/%3E%3C/svg%3E");background-position:right 6px center;background-repeat:no-repeat;padding-right:22px}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--bg)}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.error-boundary{color:var(--danger);flex-direction:column;flex:1;justify-content:center;align-items:center;gap:12px;padding:24px;display:flex}.error-boundary pre{background:var(--surface2);max-width:480px;color:var(--text-muted);border-radius:6px;padding:10px 14px;font-size:11px;overflow:auto}.app-bar{background:var(--bg);border-bottom:1px solid var(--border);flex-shrink:0;align-items:center;gap:4px;height:36px;padding:0 10px;display:flex}.app-bar-logo{color:var(--accent);background:0 0;align-items:center;gap:6px;padding:4px 6px;font-size:13px;font-weight:700;display:flex}.app-bar-logo:hover{background:var(--surface)}.app-bar-btn{padding:3px 7px;font-size:12px}.app-bar-sep{background:var(--border);width:1px;height:18px;margin:0 4px}.app-bar-spacer{flex:1}.project-bar{background:var(--surface);border-bottom:1px solid var(--border);flex-shrink:0;align-items:center;gap:6px;height:34px;padding:0 10px;display:flex}.project-bar-sep{background:var(--border);width:1px;height:18px;margin:0 4px}.project-bar-hint{color:var(--text-muted);white-space:nowrap;text-overflow:ellipsis;margin-left:auto;font-size:10px;overflow:hidden}.export-wrap{position:relative}.export-menu{z-index:200;background:var(--surface2);border:1px solid var(--border);border-radius:4px;flex-direction:column;min-width:160px;padding:4px 0;display:flex;position:absolute;top:100%;left:0}.export-menu button{text-align:left;border-radius:0;width:100%;padding:6px 12px}.help-drawer{background:var(--surface);border-left:1px solid var(--border);z-index:150;flex-direction:column;width:340px;height:100%;display:flex;position:absolute;top:0;right:0;box-shadow:-4px 0 20px #00000059}.help-header{border-bottom:1px solid var(--border);flex-shrink:0;align-items:center;gap:4px;padding:6px 10px;display:flex}.help-tabs{gap:2px;display:flex}.help-tabs button{padding:3px 8px;font-size:12px}.help-body{flex:1;padding:12px;overflow-y:auto}.help-quickstart{flex-direction:column;gap:14px;display:flex}.help-step{border-left:2px solid var(--accent);padding-left:10px}.help-step-title{color:var(--text);margin-bottom:4px;font-size:12px;font-weight:600}.help-step p{color:var(--text-muted);font-size:12px;line-height:1.5}.help-step a{color:#3b82f6;text-decoration:none}.help-step a:hover{text-decoration:underline}.help-ai-list{flex-direction:column;gap:6px;margin-top:4px;list-style:none;display:flex}.help-ai-prompt{color:var(--text-muted);background:var(--surface2);border-radius:4px;padding:5px 8px;font-size:11px;font-style:italic;line-height:1.4;display:block}.help-examples{flex-direction:column;gap:10px;display:flex}.help-example-card{background:var(--surface2);border:1px solid var(--border);border-radius:6px;flex-direction:column;gap:6px;padding:10px 12px;display:flex}.help-example-header{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.help-example-name{font-size:12px;font-weight:600}.help-example-tags{flex-wrap:wrap;gap:4px;display:flex}.help-tag{background:var(--border);color:var(--text-muted);border-radius:10px;padding:1px 6px;font-size:10px}.help-example-desc{color:var(--text-muted);font-size:11px;line-height:1.4}.help-loading{color:var(--text-muted);text-align:center;padding:20px 0;font-size:12px}.help-error{color:var(--danger);flex-direction:column;gap:8px;padding:12px 0;font-size:12px;display:flex}.help-error-hint{color:var(--text-muted)}.help-shortcuts table{border-collapse:collapse;width:100%}.help-shortcuts tr{border-bottom:1px solid var(--border)}.help-shortcuts td{vertical-align:middle;padding:5px 4px;font-size:12px}.help-shortcuts td:first-child{width:55%;padding-right:8px}kbd{background:var(--surface2);border:1px solid var(--border);color:var(--text-muted);white-space:nowrap;border-radius:3px;padding:1px 5px;font-family:inherit;font-size:11px;display:inline-block}.left-panel{background:var(--surface);border-right:1px solid var(--border);flex-direction:column;flex-shrink:0;width:220px;display:flex;overflow:hidden}.panel-header{background:var(--surface2);border-bottom:1px solid var(--border);text-transform:uppercase;color:var(--text-muted);letter-spacing:.5px;justify-content:space-between;align-items:center;padding:6px 10px;font-size:11px;font-weight:600;display:flex}.scene-tabs{flex-direction:column;display:flex}.scene-tab{border-bottom:1px solid var(--border);cursor:pointer;align-items:center;gap:4px;padding:6px 10px;font-size:12px;display:flex}.scene-tab:hover{background:var(--surface2)}.scene-tab.active{background:var(--surface2);color:var(--accent)}.scene-tab-name{text-overflow:ellipsis;white-space:nowrap;flex:1;overflow:hidden}.layer-list{flex:1;overflow-y:auto}.layer-row{border-bottom:1px solid var(--border);cursor:pointer;align-items:center;gap:2px;padding:3px 6px;font-size:12px;display:flex}.layer-row:hover{background:var(--surface2)}.layer-row.active{background:#6c63ff26}.layer-icon{text-align:center;width:14px;color:var(--text-muted);flex-shrink:0;font-size:10px}.layer-name{text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;overflow:hidden}.layer-name-input{background:var(--surface);border:1px solid var(--accent);min-width:0;color:var(--text);border-radius:3px;flex:1;padding:1px 4px;font-family:inherit;font-size:12px}.layer-order-btns{flex-shrink:0;gap:0;display:none}.layer-row:hover .layer-order-btns{display:flex}.layer-order-btns .icon-btn{padding:1px 3px;font-size:10px}.layer-order-btns .icon-btn:disabled{opacity:.2;cursor:default}.layer-order-btns .icon-btn:disabled:hover{color:var(--text-muted);background:0 0}.add-object-wrap{border-top:1px solid var(--border);padding:8px;position:relative}.add-object-btn{width:100%}.add-object-menu{z-index:100;background:var(--surface2);border:1px solid var(--border);border-radius:4px;flex-direction:column;padding:4px 0;display:flex;position:absolute;bottom:100%;left:8px;right:8px}.add-object-menu button{text-align:left;border-radius:0;width:100%;padding:6px 12px}.icon-btn{color:var(--text-muted);background:0 0;flex-shrink:0;padding:2px 4px;font-size:11px}.icon-btn:hover{color:var(--text);background:var(--surface2)}.icon-btn.muted{opacity:.3}.icon-btn.active{color:var(--accent)}.icon-btn.danger{color:var(--danger)}.icon-btn.danger:hover{background:#ff5c5c26}.empty-hint{color:var(--text-muted);text-align:center;padding:12px;font-size:11px}.canvas-area{background:var(--bg);flex-direction:column;flex:1;display:flex;overflow:hidden}.canvas-scroll{flex:1;justify-content:flex-start;align-items:flex-start;display:flex;overflow:auto}.canvas-svg{cursor:default;display:block}.playback-bar{background:var(--surface);border-bottom:1px solid var(--border);flex-shrink:0;align-items:center;gap:4px;padding:4px 10px;display:flex}.playback-time{color:var(--text-muted);font-variant-numeric:tabular-nums;margin-left:6px;font-size:11px}.playback-sep{background:var(--border);width:1px;height:16px;margin:0 4px}.zoom-btn{font-variant-numeric:tabular-nums;min-width:44px}.zoom-indicator{display:none}.right-panel{background:var(--surface);border-left:1px solid var(--border);flex-direction:column;flex-shrink:0;width:280px;display:flex;overflow-y:auto}.props-panel,.anim-panel{padding-bottom:8px}.props-empty{color:var(--text-muted);text-align:center;padding:16px;font-size:12px}.prop-group{flex-direction:column;gap:3px;padding:4px 10px;display:flex}.prop-group label{color:var(--text-muted);font-size:11px}.prop-row{gap:0;display:flex}.prop-row .prop-group{flex:1}.color-row{align-items:center;gap:6px;display:flex}.section-body.collapsed{display:none}.panel-header .collapse-btn{color:var(--text-muted);background:0 0;margin-left:auto;padding:0 2px;font-size:10px;line-height:1}.panel-header .collapse-btn:hover{color:var(--text);background:0 0}.fill-mode-header{justify-content:space-between;align-items:center;margin-bottom:4px;display:flex}.fill-mode-toggle{border:1px solid var(--border);border-radius:4px;display:flex;overflow:hidden}.fill-mode-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:0;padding:2px 10px;font-size:11px}.fill-mode-btn:hover{background:var(--surface2);color:var(--text)}.fill-mode-btn.active{background:var(--accent);color:#fff}.gradient-editor{flex-direction:column;gap:6px;margin-top:4px;display:flex}.gradient-preview{border:1px solid var(--border);border-radius:4px;height:20px}.gradient-stops-label{color:var(--text-muted);justify-content:space-between;align-items:center;font-size:11px;display:flex}.grad-add-btn{background:var(--surface2);border:1px solid var(--border);color:var(--text);cursor:pointer;border-radius:3px;padding:1px 8px;font-size:11px}.grad-add-btn:hover{background:var(--border)}.gradient-stop-row{align-items:center;gap:4px;display:flex}.gradient-stop-row input[type=color]{border:1px solid var(--border);cursor:pointer;border-radius:3px;width:26px;height:22px;padding:0}.gradient-stop-row input[type=range]{accent-color:var(--accent);flex:1}.grad-pct{color:var(--text-muted);text-align:right;min-width:28px;font-size:10px}.grad-remove-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;padding:0 2px;font-size:14px;line-height:1}.grad-remove-btn:hover:not(:disabled){color:#ef4444}.grad-remove-btn:disabled{opacity:.3;cursor:default}.add-track-btn{margin:6px 10px}.scene-controls{border-top:1px solid var(--border)}.track-row{border-bottom:1px solid var(--border);cursor:pointer;padding:6px 8px;font-size:11px}.track-row:hover{background:var(--surface2)}.track-row.active{border-left:2px solid var(--accent);background:#6c63ff1a}.track-row-header{align-items:center;gap:4px;margin-bottom:4px;display:flex}.track-row-header select{flex:1}.easing-control{flex:1;gap:2px;display:flex}.easing-control select{flex:1}.curve-btn{background:var(--surface2);border:1px solid var(--border);color:var(--text-muted);cursor:pointer;border-radius:3px;padding:0 5px;font-size:13px;font-style:italic;line-height:1}.curve-btn:hover{color:var(--text)}.curve-btn.active{background:var(--accent);color:#fff;border-color:var(--accent)}.curve-editor{background:var(--bg);border:1px solid var(--border);-webkit-user-select:none;user-select:none;border-radius:4px;margin:4px 0;padding:6px}.curve-editor-header{align-items:center;margin-bottom:6px;display:flex}.curve-editor-title{color:var(--text-muted);flex:1;font-size:10px;font-weight:600}.curve-graph{background:var(--surface);cursor:crosshair;border-radius:3px;margin-bottom:4px;display:block}.curve-coords{color:var(--text-muted);justify-content:space-between;margin-bottom:4px;font-size:9px;display:flex}.curve-presets{flex-wrap:wrap;gap:3px;display:flex}.curve-preset-btn{background:var(--surface2);border:1px solid var(--border);color:var(--text-muted);cursor:pointer;border-radius:3px;padding:2px 6px;font-size:9px}.curve-preset-btn:hover{background:var(--border);color:var(--text)}.curve-preset-btn.active{background:var(--accent);color:#fff;border-color:var(--accent)}.kf-easing-control{gap:2px;display:flex}.kf-easing-control select{flex:1}.track-timing,.track-values,.track-loop-row{align-items:center;gap:4px;margin-bottom:4px;display:flex}.track-timing label,.track-values label{color:var(--text-muted);flex-direction:column;flex:1;gap:2px;font-size:10px;display:flex}.track-timing label input,.track-values label input{width:100%}.dir-btns,.speed-btns{gap:2px;display:flex}.dir-btns button,.speed-btns button{padding:2px 5px;font-size:11px}.timeline-panel{background:var(--surface);border-top:1px solid var(--border);flex-direction:column;flex-shrink:0;min-height:28px;display:flex}.timeline-header{border-bottom:1px solid var(--border);flex-shrink:0;align-items:center;gap:8px;display:flex}.timeline-toggle{color:var(--text-muted);cursor:pointer;-webkit-user-select:none;user-select:none;padding:4px 10px;font-size:11px}.timeline-toggle:hover{color:var(--text)}.timeline-header-controls{align-items:center;gap:8px;margin-left:auto;padding-right:8px;display:flex}.tl-zoom-controls{align-items:center;gap:2px;display:flex}.tl-zoom-controls button{padding:1px 6px;font-size:11px}.tl-zoom-pct{text-align:center;min-width:40px}.tl-play-all{color:var(--text-muted);cursor:pointer;align-items:center;gap:4px;font-size:11px;display:flex}.tl-play-all input{cursor:pointer}.tl-scene-indicator{color:var(--text-muted);font-size:10px}.timeline-body{flex:1;min-height:80px;display:flex;overflow:hidden}.tl-labels{border-right:1px solid var(--border);flex-direction:column;flex-shrink:0;display:flex}.tl-label{color:var(--text-muted);text-overflow:ellipsis;white-space:nowrap;background:var(--surface);border-bottom:1px solid var(--border);align-items:center;padding:0 6px;font-size:10px;display:flex;overflow:hidden}.tl-scroll::-webkit-scrollbar{height:4px}.tl-scroll::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}.kf-editor{background:var(--bg);border-top:1px solid var(--border);padding:4px 8px;font-size:11px}.kf-editor-header{color:var(--text-muted);align-items:center;gap:4px;margin-bottom:4px;display:flex}.kf-editor-header span{flex:1;font-weight:600}.kf-empty{color:var(--text-muted);padding:4px 0}.kf-row{border-bottom:1px solid var(--border);flex-wrap:wrap;align-items:center;gap:4px;padding:3px 0;display:flex}.kf-row label{color:var(--text-muted);align-items:center;gap:3px;display:flex}.kf-row label input[type=text]{width:52px}.kf-row select{flex:1}.anim-actions{gap:4px;margin:6px 10px;display:flex}.anim-actions .add-track-btn{flex:1;margin:0}.anim-actions .add-track-btn.active{background:var(--accent);color:#fff}.presets-grid{border-top:1px solid var(--border);grid-template-columns:repeat(3,1fr);gap:4px;padding:6px 10px;display:grid}.preset-btn{background:var(--surface2);border:1px solid var(--border);cursor:pointer;color:var(--text);border-radius:4px;flex-direction:column;align-items:center;gap:2px;padding:6px 4px;font-size:10px;transition:background .15s;display:flex}.preset-btn:hover{background:var(--accent);color:#fff;border-color:var(--accent)}.preset-icon{font-size:14px}.preset-label{white-space:nowrap;text-overflow:ellipsis;text-align:center;width:100%;overflow:hidden}.confirm-overlay{z-index:1000;background:#0000008c;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.confirm-dialog{background:var(--surface2);border:1px solid var(--border);border-radius:8px;flex-direction:column;gap:12px;min-width:300px;max-width:420px;padding:20px 24px;display:flex;box-shadow:0 8px 32px #00000080}.confirm-title{font-size:14px;font-weight:600}.confirm-message{color:var(--text-muted);font-size:13px;line-height:1.5}.confirm-actions{justify-content:flex-end;gap:8px;margin-top:4px;display:flex}.recording-banner{color:#fecaca;background:#7f1d1d;flex-shrink:0;align-items:center;gap:10px;padding:6px 14px;font-size:12px;display:flex}.recording-banner button{margin-left:auto}.recording-dot{background:#ef4444;border-radius:50%;flex-shrink:0;width:8px;height:8px;animation:1s ease-in-out infinite rec-pulse}@keyframes rec-pulse{0%,to{opacity:1}50%{opacity:.3}}.export-menu-sep{background:var(--border);height:1px;margin:4px 0}.chat-drawer{background:var(--surface);border-left:1px solid var(--border);z-index:90;flex-direction:column;width:400px;display:flex;position:fixed;top:40px;bottom:120px;right:0;box-shadow:-4px 0 16px #0000004d}.chat-header{border-bottom:1px solid var(--border);flex-shrink:0;align-items:center;gap:4px;padding:6px 10px;display:flex}.chat-tabs{gap:4px;display:flex}.chat-messages{flex-direction:column;flex:1;gap:8px;padding:10px;display:flex;overflow-y:auto}.chat-msg{display:flex}.chat-msg.user{justify-content:flex-end}.chat-msg.assistant{justify-content:flex-start}.chat-bubble{white-space:pre-wrap;word-break:break-word;border-radius:8px;max-width:85%;padding:8px 10px;font-size:12px;line-height:1.5}.chat-msg.user .chat-bubble{background:var(--accent);color:#fff}.chat-msg.assistant .chat-bubble{background:var(--surface2);color:var(--text)}.chat-loading{color:var(--text-muted);font-style:italic}.chat-error{color:var(--danger);padding:6px 0;font-size:11px}.chat-hint{color:var(--text-muted);text-align:center;padding:16px;font-size:12px}.chat-input-row{border-top:1px solid var(--border);flex-shrink:0;gap:6px;padding:8px 10px;display:flex}.chat-input{resize:none;flex:1;height:52px}.chat-provider-badge{color:#4ade80;white-space:nowrap;border:1px solid #4ade8044;border-radius:10px;padding:2px 6px;font-size:10px}.chat-cooldown{color:var(--text-muted);background:var(--surface2);border-radius:6px;margin:4px 0;padding:6px 10px;font-size:11px;line-height:1.5}.chat-cooldown-link{color:#3b82f6;cursor:pointer;background:0 0;border:none;padding:0;font-size:11px;text-decoration:underline}.modal-info{color:var(--text-muted);font-size:12px;line-height:1.5}.modal-info strong{color:var(--text)}.provider-mode-toggle{border:1px solid var(--border);border-radius:8px;display:flex;overflow:hidden}.provider-mode-toggle button{background:var(--surface2);color:var(--text-muted);cursor:pointer;border:none;flex:1;padding:8px 12px;font-size:12px;transition:background .15s,color .15s}.provider-mode-toggle button:first-child{border-right:1px solid var(--border)}.provider-mode-toggle button.active{background:var(--accent);color:#fff}.provider-mode-toggle button:not(.active):hover{background:var(--surface3);color:var(--text)}.provider-presets{flex-wrap:wrap;gap:6px;display:flex}.provider-preset-btn{background:var(--surface2);border:1px solid var(--border);color:var(--text-muted);cursor:pointer;border-radius:6px;padding:4px 10px;font-size:11px}.provider-preset-btn:hover{border-color:var(--accent);color:var(--text)}.storage-notice{flex-shrink:0;align-items:flex-start;gap:8px;padding:8px 12px;font-size:12px;display:flex}.storage-notice--warning{color:#fc4;background:#ffb4001f;border-bottom:1px solid #ffb4004d}.storage-notice--critical{color:#ff5c5c;background:#ff3c3c1f;border-bottom:1px solid #ff3c3c4d}.storage-notice-icon{flex-shrink:0;margin-top:1px;font-size:16px}.storage-notice-body{flex:1}.storage-notice-msg{font-weight:600}.storage-notice-detail{color:var(--text-muted);margin-top:2px;font-size:11px}.storage-notice-dismiss{color:var(--text-muted);cursor:pointer;background:0 0;border:none;flex-shrink:0;padding:0;font-size:14px;line-height:1}.storage-notice-dismiss:hover{color:var(--text);background:0 0}.saved-indicator{color:var(--text-muted);align-items:center;gap:4px;margin-left:auto;font-size:11px;display:flex}.saved-dot{color:#4caf50;font-size:10px}.scene-thumb{border-radius:3px;display:block;overflow:hidden}.scene-tab-footer{justify-content:space-between;align-items:center;gap:4px;min-height:22px;padding:3px 4px 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