:root{--bg-0: #14161b;--bg-1: #1b1e25;--bg-2: #22262f;--bg-3: #2a2f3a;--border: #333947;--text-0: #eceef2;--text-1: #9aa1b0;--text-2: #676e7d;--accent: #f2a93b;--accent-dim: #6b5326;--audio: #4fd1c5;--danger: #e6634f;--radius: 6px;--mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;--sans: -apple-system, "Segoe UI", "Cairo", "Tahoma", sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg-0);color:var(--text-0);font-family:var(--sans);font-size:13px;overflow:hidden}body.light-theme{--bg-0: #f4f5f7;--bg-1: #ffffff;--bg-2: #eceef2;--bg-3: #dfe2e8;--border: #d3d7e0;--text-0: #1a1c22;--text-1: #565d6d;--text-2: #8a90a0}button{font-family:inherit;font-size:12px;color:var(--text-0);background:var(--bg-3);border:1px solid var(--border);border-radius:var(--radius);padding:6px 10px;cursor:pointer}button:hover{background:var(--bg-2);border-color:var(--accent)}button:active{transform:translateY(1px)}button:disabled{opacity:.4;cursor:not-allowed}button.primary{background:var(--accent);color:#1a1200;border-color:var(--accent);font-weight:600}button.primary:hover{filter:brightness(1.08)}button.danger{background:transparent;border-color:var(--danger);color:var(--danger)}button.ghost{background:transparent;border-color:transparent}button.active{border-color:var(--accent);color:var(--accent)}input,select,textarea{font-family:inherit;background:var(--bg-1);border:1px solid var(--border);color:var(--text-0);border-radius:var(--radius);padding:5px 7px;font-size:12px}input[type=range]{padding:0}label{color:var(--text-1);font-size:11px;display:block;margin-bottom:3px}.app-shell{display:grid;grid-template-rows:46px 1fr 250px;grid-template-columns:240px 1fr 280px;height:100vh;gap:1px;background:var(--border)}.topbar{grid-column:1 / -1;display:flex;align-items:center;justify-content:space-between;padding:0 12px;background:var(--bg-1)}.topbar .brand{font-weight:700;letter-spacing:.2px;color:var(--accent)}.topbar .brand span{color:var(--text-1);font-weight:400;margin-right:8px}.topbar .group{display:flex;gap:6px;align-items:center}.library-panel{background:var(--bg-1);overflow-y:auto;padding:10px}.preview-panel{background:var(--bg-0);display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;overflow:hidden}.props-panel{background:var(--bg-1);overflow-y:auto;padding:12px}.timeline-panel{grid-column:1 / -1;background:var(--bg-1);display:flex;flex-direction:column;overflow:hidden}.tabs{display:flex;gap:4px;margin-bottom:10px}.tabs button{flex:1}.drop-zone{border:1.5px dashed var(--border);border-radius:var(--radius);padding:16px 8px;text-align:center;color:var(--text-2);font-size:11.5px;margin-bottom:10px;cursor:pointer}.drop-zone:hover{border-color:var(--accent);color:var(--accent)}.asset-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px}.asset-thumb{aspect-ratio:1;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);cursor:grab;position:relative;background:var(--bg-2)}.asset-thumb img{width:100%;height:100%;object-fit:cover;display:block}.asset-thumb .name{position:absolute;bottom:0;left:0;right:0;background:linear-gradient(transparent,#000000bf);color:#fff;font-size:9.5px;padding:10px 4px 3px;text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.audio-row{display:flex;align-items:center;gap:8px;background:var(--bg-2);border:1px solid var(--border);border-radius:var(--radius);padding:6px 8px;margin-bottom:6px}.audio-row .meta{flex:1;min-width:0}.audio-row .meta .n{font-size:11.5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.audio-row .meta .t{font-size:10px;color:var(--text-2);text-transform:uppercase}.canvas-wrap{position:relative;box-shadow:0 0 0 1px var(--border),0 20px 60px #00000080}.canvas-wrap canvas{display:block;background:#000;max-width:100%;max-height:100%}.caption-overlay{position:absolute;left:6%;right:6%;text-align:center;font-weight:700;font-size:22px;color:#fff;text-shadow:0 2px 6px rgba(0,0,0,.8);pointer-events:none}.caption-overlay.bubble{background:#fff;color:#14161b;display:inline-block;padding:8px 16px;border-radius:20px;text-shadow:none;border:3px solid #14161b}.transport{display:flex;align-items:center;gap:10px;margin-top:10px}.transport .time{font-family:var(--mono);font-size:12px;color:var(--text-1);min-width:96px;text-align:center}.timeline-toolbar{display:flex;align-items:center;justify-content:space-between;padding:6px 10px;border-bottom:1px solid var(--border)}.timeline-toolbar .group{display:flex;gap:5px;align-items:center}.toolbar-sep{width:1px;height:20px;background:var(--border);margin:0 4px}.icon-btn{font-size:14px;padding:5px 8px}.timeline-body{flex:1;display:flex;overflow:hidden}.track-headers{width:150px;flex-shrink:0;border-inline-end:1px solid var(--border);background:var(--bg-2);overflow:hidden}.track-header{display:flex;flex-direction:column;justify-content:center;gap:2px;padding:0 8px;border-bottom:1px solid var(--border);box-sizing:border-box}.track-header .track-name{font-size:11px;color:var(--text-0);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.track-header .track-sub{font-size:9.5px;color:var(--text-2)}.track-header-actions{display:flex;gap:4px}.track-header-actions button{padding:1px 6px;font-size:11px}.ruler{position:relative;border-bottom:1px solid var(--border);background:var(--bg-2)}.ruler-tick{position:absolute;top:0;bottom:0;border-inline-start:1px solid var(--border)}.ruler-tick span{position:absolute;top:2px;inset-inline-start:3px;font-size:9px;color:var(--text-2);font-family:var(--mono);white-space:nowrap}.trim-range{position:absolute;top:0;bottom:0;background:#f2a93b47;border-inline:2px solid var(--accent);z-index:1}.timeline-scroll{flex:1;overflow-x:auto;overflow-y:auto;position:relative}.timeline-inner{position:relative;height:100%}.markers-row{height:16px;position:relative;border-bottom:1px solid var(--border)}.marker-flag{position:absolute;top:0;width:0;height:0;border-left:6px solid var(--accent);border-bottom:8px solid transparent;cursor:pointer}.marker-flag .tip{position:absolute;top:-18px;left:2px;font-size:9px;color:var(--accent);white-space:nowrap}.playhead{position:absolute;top:0;width:1px;background:var(--danger);z-index:5;pointer-events:none}.playhead:before{content:"";position:absolute;top:-1px;left:-4px;border-width:5px;border-style:solid;border-color:var(--danger) transparent transparent transparent}.scene-track{display:flex;align-items:stretch;height:84px;padding:6px 0;position:relative}.scene-block{height:100%;border:2px solid var(--border);border-radius:var(--radius);overflow:hidden;position:relative;flex-shrink:0;margin-inline-end:2px;background-size:cover;background-position:center;cursor:pointer}.scene-block.selected{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}.scene-block .idx{position:absolute;top:2px;right:4px;font-size:9px;background:#0000008c;color:#fff;padding:1px 4px;border-radius:3px}.scene-block .fx-badge{position:absolute;bottom:2px;left:4px;font-size:9px;background:#0009;color:var(--accent);padding:1px 4px;border-radius:3px}.scene-block .dur{position:absolute;bottom:2px;right:4px;font-size:9px;background:#0000008c;color:#fff;padding:1px 4px;border-radius:3px;font-family:var(--mono)}.scene-block.drag-over{outline:2px dashed var(--accent)}.audio-track{height:40px;position:relative;border-bottom:1px solid var(--border);box-sizing:border-box}.audio-track canvas{position:absolute;top:0;left:0;height:100%}.audio-track.muted{opacity:.45}.section-title{font-size:11px;text-transform:uppercase;letter-spacing:.5px;color:var(--text-2);margin:14px 0 6px}.section-title:first-child{margin-top:0}.field{margin-bottom:10px}.field-row{display:flex;gap:8px}.field-row>*{flex:1}.chip-row{display:flex;flex-wrap:wrap;gap:5px}.chip{border:1px solid var(--border);border-radius:999px;padding:4px 10px;font-size:11px;cursor:pointer;color:var(--text-1)}.chip.active{border-color:var(--accent);color:var(--accent);background:var(--accent-dim)}.empty-hint{color:var(--text-2);font-size:12px;text-align:center;padding:30px 10px}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:50}.modal{background:var(--bg-1);border:1px solid var(--border);border-radius:10px;padding:20px;width:420px;max-width:90vw;max-height:85vh;overflow-y:auto}.modal h3{margin:0 0 4px}.modal .sub{color:var(--text-1);font-size:12px;margin-bottom:16px}.progress-bar{height:8px;background:var(--bg-3);border-radius:4px;overflow:hidden;margin:10px 0}.progress-bar .fill{height:100%;background:var(--accent);transition:width .2s}.toast{position:fixed;bottom:20px;left:50%;transform:translate(-50%);background:var(--bg-2);border:1px solid var(--border);color:var(--text-0);padding:8px 16px;border-radius:8px;font-size:12px;z-index:60}.warn-list{font-size:12px;color:var(--text-1)}.warn-list li{margin-bottom:4px}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-thumb{background:var(--bg-3);border-radius:4px}::-webkit-scrollbar-track{background:transparent}