:root{--bg-app: #0b0d11;--bg-panel: #14171d;--bg-panel-2: #1b1f27;--bg-rail: #0e1116;--bg-elev: #222732;--line: #262c37;--line-soft: #1e232c;--text: #e8ebf0;--text-dim: #99a2b2;--text-faint: #6b7484;--accent: #2b8cff;--accent-hi: #4b9dff;--select: #f3c04a;--audio: #17977c;--audio-soft: #1fb094;--overlay-clip: #333d4d;--danger: #f06363;--radius: 10px;--radius-sm: 7px;--shadow: 0 12px 34px rgba(0, 0, 0, .45);--mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace;color-scheme:dark}*{box-sizing:border-box}html,body,#app{height:100%;margin:0}body{background:var(--bg-app);color:var(--text);font:13px/1.45 -apple-system,BlinkMacSystemFont,Segoe UI,Inter,Roboto,sans-serif;overflow:hidden;-webkit-font-smoothing:antialiased}button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}input,select,textarea{font:inherit;color:inherit}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#2c333f;border-radius:6px;border:2px solid transparent;background-clip:content-box}::-webkit-scrollbar-thumb:hover{background:#3a4351;background-clip:content-box}.icon-btn{display:grid;place-items:center;width:32px;height:32px;border-radius:var(--radius-sm);color:var(--text-dim);transition:background .12s,color .12s}.icon-btn:hover:not(:disabled){background:var(--bg-elev);color:var(--text)}.icon-btn:disabled{opacity:.32;cursor:default}.icon-btn.active{color:var(--accent-hi);background:#2b8cff24}.primary-btn{display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 18px;border-radius:var(--radius);background:var(--accent);color:#fff;font-weight:600;transition:background .12s,transform .08s}.primary-btn:hover{background:var(--accent-hi)}.primary-btn:active{transform:translateY(1px)}.primary-btn:disabled{background:#2c333f;color:var(--text-faint);cursor:default;transform:none}.ghost-btn{height:34px;padding:0 14px;border-radius:var(--radius-sm);background:var(--bg-elev);color:var(--text);font-weight:500}.ghost-btn:hover{background:#2b313d}input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:18px;background:transparent;cursor:pointer}input[type=range]::-webkit-slider-runnable-track{height:3px;border-radius:3px;background:var(--track-bg, #39414f)}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:15px;height:15px;margin-top:-6px;border-radius:50%;background:#f2f4f8;box-shadow:0 1px 4px #00000080}input[type=range]::-moz-range-track{height:3px;border-radius:3px;background:var(--track-bg, #39414f)}input[type=range]::-moz-range-thumb{width:15px;height:15px;border:0;border-radius:50%;background:#f2f4f8}input[type=text],input[type=number],select,textarea{width:100%;height:34px;padding:0 10px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--bg-panel-2);outline:none}textarea{height:auto;padding:8px 10px;resize:vertical;line-height:1.4}input:focus,select:focus,textarea:focus{border-color:var(--accent)}input[type=color]{width:34px;height:34px;padding:2px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--bg-panel-2);cursor:pointer}.field{margin-bottom:16px}.field-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:6px}.field-label{color:var(--text-dim)}.field-value{font-variant-numeric:tabular-nums;color:var(--text)}.row{display:flex;gap:8px;align-items:center}.row>*{min-width:0}.muted{color:var(--text-dim)}.empty-note{padding:28px 16px;color:var(--text-faint);text-align:center;line-height:1.6}#app{display:grid;grid-template-rows:56px minmax(0,1fr) var(--timeline-h, clamp(200px, 40vh, 380px));height:100%}.topbar{display:flex;align-items:center;justify-content:space-between;padding:0 16px 0 14px;border-bottom:1px solid var(--line-soft);background:var(--bg-app)}.topbar-left{display:flex;align-items:center;gap:12px}.topbar-right{display:flex;align-items:center;gap:6px}.brand{color:var(--accent);display:grid;place-items:center}.project-name{width:260px;height:32px;padding:0 8px;border:1px solid transparent;border-radius:var(--radius-sm);background:transparent;font-size:14px;font-weight:500}.project-name:hover{background:var(--bg-panel)}.project-name:focus{background:var(--bg-panel);border-color:var(--line)}.workspace{display:grid;grid-template-columns:76px var(--panel-w, 320px) minmax(0,1fr);min-height:0}.rail{display:flex;flex-direction:column;align-items:center;gap:2px;padding:12px 0;background:var(--bg-rail);overflow-y:auto}.rail-add{display:grid;place-items:center;width:42px;height:42px;margin-bottom:10px;border-radius:50%;background:var(--accent);color:#fff;flex:none}.rail-add:hover{background:var(--accent-hi)}.rail-item{display:grid;justify-items:center;gap:4px;width:64px;padding:7px 0 6px;border-radius:var(--radius);color:var(--text-dim);font-size:11px;flex:none;transition:background .12s,color .12s}.rail-item:hover{background:#161a21;color:var(--text)}.rail-item.active{color:var(--text);background:#1b212b}.rail-item.active svg{color:var(--accent-hi)}.side-panel{display:flex;flex-direction:column;min-height:0;padding:14px;background:var(--bg-app)}.stage{display:grid;grid-template-rows:minmax(0,1fr) 56px;min-height:0;padding:14px 18px 6px}.stage-viewport{position:relative;display:grid;place-items:center;min-height:0}.stage-frame{position:relative;box-shadow:0 10px 40px #00000080}.stage-frame canvas{display:block;width:100%;height:100%;background:#000;border-radius:2px}.selection-layer{position:absolute;inset:0;pointer-events:none}.sel-box{position:absolute;border:1.5px solid var(--select);pointer-events:auto;cursor:move}.sel-handle{position:absolute;width:11px;height:11px;margin:-6px 0 0 -6px;border-radius:50%;background:#fff;box-shadow:0 1px 3px #0009;pointer-events:auto}.sel-handle[data-corner=nw]{top:0;left:0;cursor:nwse-resize}.sel-handle[data-corner=ne]{top:0;left:100%;cursor:nesw-resize}.sel-handle[data-corner=sw]{top:100%;left:0;cursor:nesw-resize}.sel-handle[data-corner=se]{top:100%;left:100%;cursor:nwse-resize}.transport{position:relative;display:flex;align-items:center;justify-content:center;gap:10px}.transport .play-btn{width:40px;height:40px;color:var(--text)}.transport-right{position:absolute;right:0;display:flex;align-items:center;gap:4px}.transport-clock{position:absolute;left:0;font-variant-numeric:tabular-nums;color:var(--text-dim);font-size:12px}.modal-backdrop{position:fixed;inset:0;display:grid;place-items:center;background:#040609b8;z-index:40}.modal{width:440px;max-width:calc(100vw - 32px);padding:22px;border:1px solid var(--line);border-radius:14px;background:var(--bg-panel);box-shadow:var(--shadow)}.modal h2{margin:0 0 4px;font-size:16px}.modal .modal-sub{margin:0 0 18px;color:var(--text-dim);font-size:12px}.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:22px}.progress-track{height:6px;border-radius:4px;background:var(--bg-elev);overflow:hidden}.progress-fill{height:100%;width:0;border-radius:4px;background:var(--accent);transition:width .15s linear}.toast-stack{position:fixed;right:18px;bottom:18px;display:flex;flex-direction:column;gap:8px;z-index:60}.toast{max-width:340px;padding:11px 14px;border:1px solid var(--line);border-radius:var(--radius);background:var(--bg-panel-2);box-shadow:var(--shadow);font-size:12px;animation:toast-in .18s ease-out}.toast.error{border-color:#5a2c30;color:#ffbcbc}@keyframes toast-in{0%{opacity:0;transform:translateY(8px)}}.drop-hint{position:absolute;inset:10px;display:grid;place-items:center;border:2px dashed var(--accent);border-radius:12px;background:#2b8cff14;color:var(--text);font-weight:600;pointer-events:none;z-index:30}.panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;flex:none}.panel-title{font-size:14px;font-weight:600}.panel-body{flex:1;min-height:0;overflow-y:auto;padding-right:4px}.inspector{display:flex;flex-direction:column;min-height:0;height:100%;border:1px solid var(--line-soft);border-radius:14px;background:var(--bg-panel)}.inspector-tabs{display:flex;justify-content:center;gap:26px;padding:12px 10px 0;border-bottom:1px solid var(--line-soft);flex:none}.inspector-tab{position:relative;display:grid;place-items:center;width:34px;height:34px;margin-bottom:8px;border-radius:var(--radius-sm);color:var(--text-faint)}.inspector-tab:hover{color:var(--text-dim)}.inspector-tab.active{color:var(--text)}.inspector-tab.active:after{content:"";position:absolute;left:2px;right:2px;bottom:-9px;height:2px;border-radius:2px;background:var(--accent)}.inspector-body{flex:1;min-height:0;overflow-y:auto;padding:18px 20px 20px}.inspector-clipname{margin:-4px 0 16px;color:var(--text-faint);font-size:11px;text-transform:uppercase;letter-spacing:.06em}.track-saturation{--track-bg: linear-gradient(90deg, #8c8c8c, #ff2d2d)}.track-hue{--track-bg: linear-gradient(90deg, #ff2d2d, #ffee2d, #2dff5e, #2dd4ff, #2d4bff, #d42dff, #ff2d2d)}.track-contrast{--track-bg: linear-gradient(90deg, #4a4a4a, #f4f4f4)}input[type=range].tinted::-webkit-slider-runnable-track{background:var(--track-bg)}input[type=range].tinted::-moz-range-track{background:var(--track-bg)}.media-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.media-card{position:relative;border:1px solid var(--line-soft);border-radius:var(--radius);background:var(--bg-panel);overflow:hidden;cursor:grab;text-align:left}.media-card:hover{border-color:#37404f}.media-thumb{display:block;width:100%;aspect-ratio:16 / 10;object-fit:cover;background:#0a0c0f}.media-thumb.audio-thumb{display:grid;place-items:center;color:var(--audio-soft)}.media-meta{padding:7px 8px}.media-name{font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.media-sub{color:var(--text-faint);font-size:10px;font-variant-numeric:tabular-nums}.media-add{position:absolute;top:6px;right:6px;width:24px;height:24px;border-radius:50%;background:#080a0ec7;color:#fff;display:grid;place-items:center;opacity:0;transition:opacity .12s}.media-card:hover .media-add{opacity:1}.media-add:hover{background:var(--accent)}.dropzone{display:grid;place-items:center;gap:6px;padding:26px 14px;margin-bottom:14px;border:1.5px dashed var(--line);border-radius:12px;color:var(--text-dim);text-align:center;cursor:pointer;transition:border-color .12s,background .12s}.dropzone:hover,.dropzone.over{border-color:var(--accent);background:#2b8cff12}.dropzone strong{color:var(--text);font-size:13px}.dropzone span{font-size:11px}.tile-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.tile{display:grid;justify-items:center;gap:7px;padding:12px 6px;border:1px solid var(--line-soft);border-radius:var(--radius);background:var(--bg-panel);color:var(--text-dim);font-size:11px}.tile:hover{border-color:#37404f;color:var(--text)}.tile.active{border-color:var(--accent);color:var(--text);background:#2b8cff1a}.tile-box{display:grid;place-items:center;height:32px}.tile-shape{background:#3b4454;border-radius:3px}.tile.active .tile-shape{background:var(--accent)}.preset-list{display:grid;gap:8px}.preset{display:grid;place-items:center;height:62px;border:1px solid var(--line-soft);border-radius:var(--radius);background:var(--bg-panel)}.preset:hover{border-color:var(--accent)}.section-label{margin:18px 0 9px;color:var(--text-faint);font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.06em}.section-label:first-child{margin-top:0}.switch-row{display:flex;align-items:center;justify-content:space-between;padding:7px 0}.switch{position:relative;width:38px;height:21px;border-radius:12px;background:#39414f;transition:background .14s;flex:none}.switch:after{content:"";position:absolute;top:3px;left:3px;width:15px;height:15px;border-radius:50%;background:#fff;transition:transform .14s}.switch.on{background:var(--accent)}.switch.on:after{transform:translate(17px)}.recorder-preview{width:100%;aspect-ratio:16 / 9;margin-bottom:12px;border-radius:var(--radius);background:#000;object-fit:cover}.rec-dot{display:inline-block;width:8px;height:8px;margin-right:6px;border-radius:50%;background:var(--danger);animation:pulse 1s infinite}@keyframes pulse{50%{opacity:.35}}.timeline{display:grid;grid-template-rows:6px 42px 30px minmax(0,1fr);min-height:0;border-top:1px solid var(--line-soft);background:var(--bg-app);user-select:none}.tl-resize{height:6px;cursor:ns-resize}.tl-resize:hover{background:var(--accent);opacity:.4}.tl-toolbar{display:flex;align-items:center;gap:2px;padding:0 14px}.tl-toolbar .spacer{flex:1}.tl-clock{font-variant-numeric:tabular-nums;font-size:12.5px;letter-spacing:.01em}.tl-clock .total{color:var(--text-faint)}.tl-sep{width:1px;height:20px;margin:0 7px;background:var(--line)}.tl-ruler-wrap,.tl-tracks-wrap{overflow-x:auto;overflow-y:hidden;min-height:0}.tl-ruler-wrap{overflow-x:hidden;border-bottom:1px solid var(--line-soft)}.tl-tracks-wrap{overflow-y:auto;padding:12px 0 18px}.tl-canvas{position:relative}.tl-ruler{position:relative;height:30px;font-variant-numeric:tabular-nums}.tl-tick{position:absolute;top:0;bottom:0;border-left:1px solid var(--line)}.tl-tick span{position:absolute;top:7px;left:6px;color:var(--text-faint);font-size:10.5px;white-space:nowrap}.tl-tick.minor{border-color:var(--line-soft)}.tl-playhead{position:absolute;top:0;bottom:0;width:2px;margin-left:-1px;background:#fff;pointer-events:none;z-index:12}.tl-playhead:before{content:"";position:absolute;top:-30px;left:-5px;width:12px;height:14px;border-radius:3px;background:#fff}.tl-track{position:relative;height:var(--track-h, 76px);margin-bottom:8px}.tl-track.overlay-track{--track-h: 38px}.tl-track.audio-track{--track-h: 52px}.tl-track-bg{position:absolute;inset:0;border-radius:var(--radius-sm);background:#0f1217}.tl-clip{position:absolute;top:0;bottom:0;border-radius:var(--radius-sm);overflow:hidden;background:var(--overlay-clip);border:2px solid transparent;cursor:grab;contain:paint}.tl-clip.dragging{cursor:grabbing;opacity:.85;z-index:14}.tl-clip.selected{border-color:var(--select)}.tl-clip.video-clip{background:#11161d}.tl-clip.audio-clip{background:var(--audio)}.tl-clip.text-clip,.tl-clip.shape-clip{display:flex;align-items:center;padding:0 12px;background:var(--overlay-clip);font-size:12px}.tl-clip.text-clip span,.tl-clip.shape-clip span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.tl-thumbs{position:absolute;inset:0;display:flex;overflow:hidden;pointer-events:none}.tl-thumbs img{height:100%;width:var(--thumb-w, 72px);flex:none;object-fit:cover;object-position:center}.tl-clip canvas.tl-wave{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}.tl-cliplabel{position:absolute;top:5px;left:8px;right:8px;font-size:11px;text-shadow:0 1px 3px rgba(0,0,0,.85);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;pointer-events:none}.tl-handle{position:absolute;top:0;bottom:0;width:11px;display:grid;place-items:center;cursor:ew-resize;opacity:0;z-index:3}.tl-handle:after{content:"";width:3px;height:46%;border-radius:2px;background:#0d1015}.tl-handle.left{left:0}.tl-handle.right{right:0}.tl-clip:hover .tl-handle,.tl-clip.selected .tl-handle{opacity:1;background:var(--select)}.tl-track-drop{position:absolute;inset:0;border:1.5px dashed var(--accent);border-radius:var(--radius-sm);background:#2b8cff14;pointer-events:none;display:none}.tl-track.drop-target .tl-track-drop{display:block}.tl-empty{position:absolute;inset:0;display:grid;place-items:center;color:var(--text-faint);font-size:12px;pointer-events:none}