*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-base: #0d0d0f;--bg-panel: #131317;--bg-surface: #1a1a21;--bg-hover: #22222c;--bg-active: #2a2a38;--border: #2a2a35;--border-bright:#3a3a50;--accent: #7c6af7;--accent-dim: #4a3f99;--accent-glow: rgba(124,106,247,.2);--green: #4ade80;--orange: #fb923c;--red: #f87171;--text-1: #f0f0f5;--text-2: #9090a8;--text-3: #55555f;--font-ui: "Inter", sans-serif;--font-mono: "JetBrains Mono", monospace;--radius: 6px;--radius-sm: 4px}html,body{height:100%;overflow:hidden;background:var(--bg-base);color:var(--text-1);font-family:var(--font-ui);font-size:13px}#app{display:flex;flex-direction:column;height:100vh;overflow:hidden}.header{display:flex;align-items:center;justify-content:space-between;height:44px;padding:0 16px;background:var(--bg-panel);border-bottom:1px solid var(--border);flex-shrink:0;z-index:100}.logo{display:flex;align-items:center;gap:8px}.logo-icon{color:var(--accent);font-size:18px}.logo-text{font-weight:700;font-size:15px;letter-spacing:-.3px;color:var(--text-1)}.logo-pro{background:var(--accent);color:#fff;font-size:9px;padding:1px 5px;border-radius:3px;vertical-align:middle;margin-left:2px}.header-actions{display:flex;gap:8px}.btn-primary{background:var(--accent);color:#fff;border:none;padding:6px 14px;border-radius:var(--radius-sm);font-size:12px;font-weight:600;cursor:pointer;transition:opacity .15s}.btn-primary:hover{opacity:.85}.btn-ghost{background:transparent;color:var(--text-2);border:1px solid var(--border-bright);padding:6px 14px;border-radius:var(--radius-sm);font-size:12px;cursor:pointer;transition:all .15s}.btn-ghost:hover{color:var(--text-1);border-color:var(--accent)}.btn-full{width:100%;padding:7px;border-radius:var(--radius-sm);font-size:12px;font-weight:500;cursor:pointer;border:none;text-align:center}.btn-full:not(.btn-outline){background:var(--accent);color:#fff}.btn-full:not(.btn-outline):hover{opacity:.85}.btn-outline{background:transparent;border:1px solid var(--border-bright)!important;color:var(--text-2)}.btn-outline:hover{border-color:var(--accent)!important;color:var(--accent)}.mt-4{margin-top:4px}.mt-8{margin-top:8px}.mt-12{margin-top:12px}.mt-16{margin-top:16px}.workspace{display:flex;flex:1;overflow:hidden;min-height:0}.panel-left,.panel-right{width:220px;flex-shrink:0;background:var(--bg-panel);border-right:1px solid var(--border);overflow-y:auto;display:flex;flex-direction:column;gap:1px}.panel-right{border-right:none;border-left:1px solid var(--border)}.panel-section{padding:10px 12px;border-bottom:1px solid var(--border)}.panel-title{font-size:10px;font-weight:700;letter-spacing:1.2px;color:var(--text-3);margin-bottom:8px;font-family:var(--font-mono)}.scene-tree,.bone-list{display:flex;flex-direction:column;gap:2px}.tree-empty{color:var(--text-3);font-size:11px;font-style:italic;padding:4px 0}.tree-item{display:flex;align-items:center;gap:6px;padding:4px 6px;border-radius:var(--radius-sm);cursor:pointer;color:var(--text-2);font-size:12px;transition:all .1s}.tree-item:hover{background:var(--bg-hover);color:var(--text-1)}.tree-item.selected{background:var(--accent-dim);color:var(--text-1)}.tree-item-icon{font-size:10px;opacity:.6}.bone-item{display:flex;align-items:center;gap:5px;padding:3px 6px;border-radius:var(--radius-sm);cursor:pointer;color:var(--text-2);font-size:11px;font-family:var(--font-mono);transition:all .1s}.bone-item:hover{background:var(--bg-hover);color:var(--accent)}.bone-item.selected{color:var(--accent);background:var(--accent-glow)}.bone-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);opacity:.5;flex-shrink:0}.bone-item.selected .bone-dot{opacity:1}.tool-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:4px;margin-bottom:8px}.tool-btn{aspect-ratio:1;background:var(--bg-surface);border:1px solid var(--border);color:var(--text-2);border-radius:var(--radius-sm);cursor:pointer;font-size:14px;display:flex;align-items:center;justify-content:center;transition:all .15s}.tool-btn:hover{border-color:var(--accent);color:var(--accent)}.tool-btn.active{background:var(--accent);border-color:var(--accent);color:#fff}.viewport-wrapper{flex:1;position:relative;background:var(--bg-base);overflow:hidden}#three-canvas{position:absolute;inset:0;width:100%;height:100%;display:block}.drop-zone{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;z-index:10;background:var(--bg-base);transition:background .2s}.drop-zone.drag-over{background:var(--accent-glow)}.drop-zone.hidden{display:none}.drop-content{text-align:center}.drop-icon{font-size:48px;color:var(--accent);opacity:.5;margin-bottom:12px}.drop-title{font-size:18px;font-weight:600;color:var(--text-1);margin-bottom:6px}.drop-sub{font-size:13px;color:var(--text-3);margin-bottom:4px}.viewport-toolbar{position:absolute;top:12px;left:12px;display:flex;gap:4px;align-items:center;background:#131317e6;border:1px solid var(--border);border-radius:var(--radius);padding:4px;backdrop-filter:blur(8px)}.vp-btn{width:28px;height:28px;background:transparent;border:none;color:var(--text-2);border-radius:var(--radius-sm);cursor:pointer;font-size:13px;display:flex;align-items:center;justify-content:center;transition:all .1s}.vp-btn:hover{background:var(--bg-hover);color:var(--text-1)}.vp-btn.active{background:var(--accent);color:#fff}.vp-sep{width:1px;height:20px;background:var(--border);margin:0 2px}.loading-overlay{position:absolute;inset:0;background:#0d0d0fd9;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;z-index:20}.loading-overlay.hidden{display:none}.loading-spinner{width:40px;height:40px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-text{color:var(--text-2);font-size:13px}.status-bar{position:absolute;bottom:0;left:0;right:0;height:24px;background:#131317e6;border-top:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 12px;font-size:11px;color:var(--text-3);font-family:var(--font-mono);backdrop-filter:blur(4px)}.anim-search{margin-bottom:8px}.search-input{width:100%;background:var(--bg-surface);border:1px solid var(--border);color:var(--text-1);padding:5px 8px;border-radius:var(--radius-sm);font-size:12px;outline:none;font-family:var(--font-ui)}.search-input:focus{border-color:var(--accent)}.search-input::placeholder{color:var(--text-3)}.anim-library{display:flex;flex-direction:column;gap:2px;max-height:220px;overflow-y:auto}.anim-item{display:flex;align-items:center;justify-content:space-between;padding:5px 8px;border-radius:var(--radius-sm);cursor:pointer;border:1px solid transparent;transition:all .1s;background:var(--bg-surface)}.anim-item:hover,.anim-item.active{border-color:var(--accent);background:var(--accent-glow)}.anim-item-left{display:flex;align-items:center;gap:6px}.anim-icon{font-size:14px;width:20px;text-align:center}.anim-name{font-size:12px;font-weight:500;color:var(--text-1)}.anim-cat{font-size:10px;color:var(--text-3);margin-top:1px}.anim-duration{font-size:10px;color:var(--text-3);font-family:var(--font-mono)}.anim-category{margin-bottom:4px}.anim-cat-header{font-size:10px;font-weight:700;letter-spacing:.8px;color:var(--text-3);padding:6px 4px 3px;text-transform:uppercase}.active-anims{display:flex;flex-direction:column;gap:3px;max-height:100px;overflow-y:auto}.active-anim-item{display:flex;align-items:center;justify-content:space-between;padding:4px 6px;background:var(--bg-surface);border-radius:var(--radius-sm);border-left:2px solid var(--accent)}.active-anim-name{font-size:11px;color:var(--text-1)}.active-anim-remove{background:none;border:none;color:var(--text-3);cursor:pointer;font-size:12px;padding:0 2px}.active-anim-remove:hover{color:var(--red)}.blend-controls{display:flex;flex-direction:column;gap:6px}.blend-label{font-size:10px;color:var(--text-3);font-family:var(--font-mono)}.blend-slider{width:100%;height:3px;accent-color:var(--accent);cursor:pointer}.export-options{display:flex;flex-direction:column;gap:4px}.export-label{font-size:10px;color:var(--text-3);font-family:var(--font-mono)}.export-select{width:100%;background:var(--bg-surface);border:1px solid var(--border);color:var(--text-1);padding:5px 8px;border-radius:var(--radius-sm);font-size:12px;outline:none;cursor:pointer}.export-select:focus{border-color:var(--accent)}.timeline-wrapper{height:200px;flex-shrink:0;background:var(--bg-panel);border-top:1px solid var(--border);display:flex;flex-direction:column}.timeline-controls{height:40px;display:flex;align-items:center;gap:4px;padding:0 12px;border-bottom:1px solid var(--border);flex-shrink:0}.tl-btn{width:28px;height:28px;background:transparent;border:1px solid transparent;color:var(--text-2);border-radius:var(--radius-sm);cursor:pointer;font-size:12px;display:flex;align-items:center;justify-content:center;transition:all .1s}.tl-btn:hover{background:var(--bg-hover);color:var(--text-1)}.tl-play{width:32px;height:32px;background:var(--accent);color:#fff;border-radius:50%!important;font-size:13px}.tl-play:hover{opacity:.85;background:var(--accent)!important;color:#fff!important}.tl-play.playing{background:var(--orange)!important}.tl-time{display:flex;align-items:center;gap:4px;font-family:var(--font-mono);font-size:12px;color:var(--text-2);margin-left:8px}.tl-sep{color:var(--text-3)}#tl-current{color:var(--text-1);min-width:32px}.tl-fps{margin-left:8px}.fps-select{background:var(--bg-surface);border:1px solid var(--border);color:var(--text-2);padding:3px 6px;border-radius:var(--radius-sm);font-size:11px;font-family:var(--font-mono);cursor:pointer;outline:none}.speed-slider{width:80px;accent-color:var(--accent);margin-left:8px}.speed-label{font-size:11px;color:var(--text-3);font-family:var(--font-mono);min-width:28px}.timeline-tracks{flex:1;display:flex;overflow:hidden}.track-labels{width:60px;flex-shrink:0;border-right:1px solid var(--border);display:flex;flex-direction:column}.track-label{height:calc((100%) / 7);display:flex;align-items:center;padding:0 8px;font-size:10px;color:var(--text-3);font-family:var(--font-mono);border-bottom:1px solid var(--border)}.track-area{flex:1;overflow:hidden;position:relative}#timeline-canvas{width:100%;height:100%;display:block}::-webkit-scrollbar{width:4px;height:4px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-bright);border-radius:2px}::-webkit-scrollbar-thumb:hover{background:var(--accent-dim)}@media (max-width: 768px){.panel-left,.panel-right{display:none}.timeline-wrapper{height:140px}}