*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}:root{--bg: #060608;--bg-surface: #0c0e10;--bg-panel: #0a0c0e;--bg-card: #101214;--green: #00ff88;--green-dim: #00cc6a;--green-lo: rgba(0,255,136,.08);--green-mid: rgba(0,255,136,.2);--green-glow: rgba(0,255,136,.35);--marker: #ffb454;--marker-dim: #d98f2e;--marker-lo: rgba(255,180,84,.09);--text: #e2e8e4;--text-dim: #5a6660;--text-mute: #3a4440;--border: #1a1e1c;--border-hi: #252a28;--sans: "Inter", -apple-system, sans-serif;--mono: "JetBrains Mono", "Menlo", monospace;--radius: 8px;--radius-sm: 5px}html,body{height:100%;background:var(--bg);color:var(--text);font-family:var(--sans);overflow:hidden;-webkit-font-smoothing:antialiased}#app{display:grid;grid-template-rows:1fr auto auto;grid-template-columns:240px 1fr;height:100vh;gap:0;position:relative;transition:grid-template-columns .2s ease}#app.panel-collapsed{grid-template-columns:0px 1fr}#app.panel-collapsed .side-panel{overflow:hidden;opacity:0;pointer-events:none}.side-panel-toggle{position:absolute;top:12px;left:240px;z-index:10002;width:24px;height:24px;border:1px solid var(--border);border-radius:0 4px 4px 0;background:var(--bg-panel);color:var(--text-dim);font-size:10px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:left .2s ease,background .15s;padding:0}.side-panel-toggle:hover{background:var(--bg-card);color:var(--text)}#app.panel-collapsed .side-panel-toggle{left:0;border-radius:0 4px 4px 0}.viewport{grid-row:1;grid-column:2;position:relative;overflow:hidden;background:var(--bg)}.layer-tooltip{position:absolute;z-index:200;background:#0a0c0eeb;border:1px solid var(--border-hi);border-radius:var(--radius-sm);padding:4px 0;pointer-events:none;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);min-width:100px}.tooltip-item{padding:3px 10px;font-size:10px;font-family:var(--mono);color:var(--green);white-space:nowrap}.layer-picker{position:absolute;z-index:300;background:var(--bg-card);border:1px solid var(--green-dim);border-radius:var(--radius);padding:4px 0;box-shadow:0 4px 20px #00000080;min-width:140px}.picker-item{padding:6px 14px;font-size:11px;font-family:var(--mono);color:var(--text);cursor:pointer;transition:background .1s}.picker-item:hover{background:var(--green-lo);color:var(--green)}.coord-display{position:absolute;z-index:200;background:#0a0c0ed9;border:1px solid var(--green-dim);border-radius:var(--radius-sm);padding:3px 8px;font-size:10px;font-family:var(--mono);color:var(--green);pointer-events:none;white-space:nowrap}.camera-viewport{position:relative;overflow:hidden;background:var(--bg)}.cam-frame{position:absolute;border:3px solid #ff3333;pointer-events:none;z-index:10000;display:none}.cam-frame.visible{display:block}.cam-preview{position:absolute;bottom:60px;right:12px;width:384px;padding-top:24px;z-index:10001}.cam-preview-handle{position:absolute;top:0;left:0;right:0;height:24px;background:#ff333359;border-radius:6px 6px 0 0;display:flex;align-items:center;justify-content:center;font-size:10px;color:#fff9;letter-spacing:1px;-webkit-user-select:none;user-select:none;cursor:grab}.cam-preview-handle:active{cursor:grabbing;background:#ff333380}.cam-preview-viewport{width:384px;height:216px;overflow:hidden;border:2px solid rgba(255,51,51,.7);border-radius:0 0 6px 6px;background:#000;box-shadow:0 4px 20px #0009;position:relative}.cam-preview-resize{position:absolute;top:0;left:-4px;width:14px;height:14px;cursor:nwse-resize;z-index:2}.cam-preview-resize:after{content:"";position:absolute;top:3px;left:3px;width:8px;height:8px;border-left:2px solid rgba(255,255,255,.4);border-top:2px solid rgba(255,255,255,.4)}.cam-preview-inner{position:absolute;top:0;left:0;transform-origin:0 0;transform:scale(.2)}.fullscreen-overlay{display:none;position:fixed;top:0;left:0;width:100vw;height:100vh;background:#000;z-index:99999;overflow:hidden}.fullscreen-inner{position:absolute;top:50%;left:50%;overflow:hidden;transform-origin:0 0}.board{position:absolute;top:0;left:0;transform-origin:0 0;overflow:visible}.board:before{content:"";position:absolute;top:-99999px;left:-99999px;width:299999px;height:299999px;background:inherit;z-index:-1;pointer-events:none}.stage{position:absolute;top:0;left:0;width:100%;height:100%;overflow:visible}.ui-overlay{position:absolute;top:0;left:0;width:100%;height:100%;overflow:visible;pointer-events:none;z-index:9999}.layer{position:absolute;pointer-events:none;will-change:transform,opacity}.layer-text{white-space:pre;word-break:keep-all;line-height:1.4;padding-top:.15em;overflow:visible}.controls{grid-row:2;grid-column:2;display:flex;align-items:center;gap:12px;padding:10px 20px;background:var(--bg-surface);border-top:1px solid var(--border);position:relative;z-index:9500}.ctrl-btn{background:transparent;border:1px solid var(--border-hi);color:var(--green);font-size:14px;width:38px;height:38px;border-radius:var(--radius);cursor:pointer;transition:all .15s;display:flex;align-items:center;justify-content:center}.ctrl-btn:hover{background:var(--green-lo);border-color:var(--green-dim);box-shadow:0 0 12px #00ff8826}.ctrl-cam{width:auto;padding:0 12px;font-size:10px;font-family:var(--mono);font-weight:700;letter-spacing:1px;opacity:.4}.ctrl-cam.active{opacity:1;background:var(--green-lo);border-color:var(--green-dim);box-shadow:0 0 8px #0f83}.ctrl-preview{width:auto;padding:0 10px;font-size:10px;font-weight:700;letter-spacing:1px;opacity:.4}.ctrl-preview.active{opacity:1;background:var(--green-lo);border-color:var(--green-dim);box-shadow:0 0 8px #0f83}.ctrl-fullscreen{width:auto;padding:0 10px;font-size:10px;font-family:var(--mono);font-weight:700;letter-spacing:1px;opacity:.4}.ctrl-fullscreen:hover{opacity:.8}.ctrl-time{font-family:var(--mono);font-size:12px;color:var(--green);min-width:130px;text-align:center;font-variant-numeric:tabular-nums;letter-spacing:.5px}.ctrl-seek{flex:1;-webkit-appearance:none;-moz-appearance:none;appearance:none;height:4px;background:var(--border-hi);border-radius:2px;outline:none;cursor:pointer;transition:height .15s}.ctrl-seek:hover{height:6px}.ctrl-seek::-webkit-slider-thumb{-webkit-appearance:none;width:11.2px;height:11.2px;background:var(--green);border-radius:50%;cursor:pointer;box-shadow:0 0 7px #0f86;transition:transform .1s}.ctrl-seek::-webkit-slider-thumb:hover{transform:scale(1.2)}.ctrl-comp-select,.ctrl-speed{background:var(--bg-card);color:var(--text);border:1px solid var(--border);border-radius:var(--radius-sm);padding:6px 10px;font-size:11px;font-family:var(--mono);cursor:pointer;outline:none;transition:border-color .15s}.ctrl-comp-select{max-width:200px}.ctrl-comp-select:focus,.ctrl-speed:focus{border-color:var(--green-dim)}.ctrl-comp-select option,.ctrl-speed option{background:var(--bg-card);color:var(--text)}.marker-overlay{grid-row:3;grid-column:2;background:var(--bg-surface);border-top:1px solid var(--border);padding:8px 20px 10px}.marker-label{font-size:11px;line-height:1.5;min-height:3em;color:var(--text-dim);font-family:var(--mono)}.marker-voice{color:var(--text);margin-right:16px}.marker-visual{color:var(--green-dim);font-style:italic}.side-panel{grid-row:1 / 4;grid-column:1;display:flex;flex-direction:column;background:var(--bg-panel);border-right:1px solid var(--border);overflow:hidden;position:relative;z-index:9500}.side-title{padding:16px 16px 8px;font-size:13px;font-weight:700;letter-spacing:3px;color:var(--text);flex-shrink:0}.side-title .accent{color:var(--green)}.side-comp-select{padding:8px 12px;border-bottom:1px solid var(--border);flex-shrink:0}.side-comp-select .ctrl-comp-select{width:100%;max-width:none;padding:8px 10px;font-size:11px}.side-panel .stage-selector{position:static;transform:none;padding:12px;border-bottom:1px solid var(--border);flex-shrink:0}.side-panel .stage-selector .file-label{width:100%;justify-content:center;padding:10px 16px;font-size:12px;border-radius:var(--radius-sm)}.video-export{display:flex;flex-direction:column;gap:8px;padding:12px;border-bottom:1px solid var(--border);flex-shrink:0}.video-export[hidden]{display:none}.video-export-header{color:var(--text-dim);font-family:var(--mono);font-size:9px;font-weight:700;letter-spacing:3px}.video-export-voice{width:100%;padding:8px 10px;font-size:11px;color:var(--text);background:var(--bg-card);border:1px solid var(--border-hi);border-radius:var(--radius-sm)}.video-export-check{display:flex;align-items:center;gap:6px;font-size:11px;color:var(--text);cursor:pointer}.video-export-voice:disabled{opacity:.4}.video-export-start{padding:9px 16px;font-family:var(--sans);font-size:12px;font-weight:600;color:var(--bg);background:var(--green);border:none;border-radius:var(--radius-sm);cursor:pointer}.video-export-start:disabled{opacity:.4;cursor:progress}.video-export-bar{height:4px;background:var(--border);border-radius:2px;overflow:hidden}.video-export-bar[hidden]{display:none}.video-export-bar-fill{width:0;height:100%;background:var(--green)}.video-export-status{min-height:14px;font-size:11px;color:var(--text-dim);word-break:break-all}.video-export-status.error{color:var(--marker)}.video-export-download{font-size:12px;font-weight:600;color:var(--green)}.video-export-download[hidden]{display:none}.marker-panel{display:flex;flex-direction:column;max-height:38%;border-bottom:1px solid var(--border);font-family:var(--mono)}.marker-panel-header{flex-shrink:0;padding:14px 16px 10px;color:var(--marker-dim);font-size:9px;letter-spacing:3px;font-weight:700;text-transform:uppercase;background:var(--bg-panel);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:8px}.marker-panel-count{color:var(--text-dim);letter-spacing:1px}.marker-panel-list{overflow-y:auto;padding:4px 0}.marker-panel-row{display:flex;align-items:flex-start;gap:8px;padding:5px 16px;color:var(--text-dim);transition:all .15s;border-left:2px solid transparent;cursor:pointer}.marker-panel-row:hover{background:#ffffff05}.marker-panel-row.active{color:var(--marker);background:var(--marker-lo);border-left-color:var(--marker)}.marker-panel-idx{flex-shrink:0;min-width:18px;text-align:right;font-size:9px;color:var(--text-mute);padding-top:1px}.marker-panel-row.active .marker-panel-idx{color:var(--marker-dim)}.marker-panel-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}.marker-panel-id{font-size:9px;color:var(--text-mute);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.marker-panel-row.active .marker-panel-id{color:var(--marker-dim)}.marker-panel-text{font-size:10px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.layer-inspector{flex:1;overflow-y:auto;font-size:11px;font-family:var(--mono)}.inspector-header{position:sticky;top:0;z-index:10;padding:14px 16px 10px;color:var(--text-mute);font-size:9px;letter-spacing:3px;font-weight:700;text-transform:uppercase;background:var(--bg-panel);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:8px}.inspector-header-actions{display:flex;gap:6px;align-items:center}.inspector-save-btn,.inspector-edit-toggle{font-family:inherit;font-size:9px;letter-spacing:1px;padding:4px 10px;border:1px solid var(--border-hi);background:var(--bg-card);color:var(--text-dim);cursor:pointer;border-radius:3px;transition:all .15s}.inspector-save-btn:hover,.inspector-edit-toggle:hover{background:var(--green-lo);color:var(--green);border-color:var(--green)}.inspector-edit-toggle.active{background:var(--green);color:var(--bg);border-color:var(--green)}#app.edit-mode-global .viewport [data-layer-id]{cursor:pointer}#app.edit-mode-global .viewport [data-layer-id]:hover{outline:1px dashed var(--green);outline-offset:2px}.edit-context-menu{position:absolute;z-index:9200;background:var(--bg-card);border:1px solid var(--border-hi);border-radius:4px;box-shadow:0 4px 12px #00000080;min-width:160px;overflow:hidden;font-size:11px;-webkit-user-select:none;user-select:none}.context-menu-header{padding:6px 10px;font-size:9px;letter-spacing:1px;color:var(--text-mute);background:var(--bg);border-bottom:1px solid var(--border);text-transform:uppercase;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.context-menu-item{padding:7px 12px;color:var(--text);cursor:pointer;transition:background .1s}.context-menu-item:hover{background:var(--green-lo);color:var(--green)}.context-menu-item-danger{color:#ff6b6b}.context-menu-item-danger:hover{background:#ff6b6b1f;color:#ff6b6b}.layer.inline-editing{outline:2px solid var(--green)!important;outline-offset:2px;cursor:text!important;-webkit-user-select:text;user-select:text;-webkit-user-modify:read-write-plaintext-only}.layer.inline-editing,.layer.inline-editing *{caret-color:var(--green)}.inspector-list{padding:4px 0}.inspector-row{display:flex;align-items:center;gap:8px;padding:5px 16px;color:var(--text-dim);transition:all .15s;border-left:2px solid transparent;cursor:default}.inspector-row:hover{background:#ffffff05}.inspector-row.active{color:var(--green);background:var(--green-lo);border-left-color:var(--green)}.inspector-icon{width:18px;text-align:center;font-size:11px;opacity:.7}.inspector-row.active .inspector-icon{opacity:1}.inspector-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:10px}.inspector-idx{color:var(--text-mute);font-size:9px}.inspector-row.selected{background:var(--green-mid);color:var(--green);border-left-color:var(--green)}.inspector-detail{display:flex;flex-direction:column;border-top:1px solid var(--border);max-height:50%;overflow:hidden}.inspector-detail-header{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;background:var(--bg-card);font-size:10px;color:var(--green);font-weight:600;border-bottom:1px solid var(--border);flex-shrink:0}.inspector-detail-close{cursor:pointer;color:var(--text-dim);font-size:11px;padding:2px 6px;border-radius:3px;transition:all .15s}.inspector-detail-close:hover{background:var(--border-hi);color:var(--text)}.inspector-detail-body{flex:1;overflow-y:auto;padding:10px 12px;font-size:9px;line-height:1.5;color:var(--text-dim);background:var(--bg);white-space:pre-wrap;word-break:break-all;margin:0}.inspector-edit-btn{font-family:inherit;font-size:10px;padding:3px 10px;margin-right:6px;border:1px solid var(--border-hi);background:var(--bg-card);color:var(--text-dim);cursor:pointer;border-radius:3px;transition:all .15s}.inspector-edit-btn:hover{background:var(--green-lo);color:var(--green);border-color:var(--green)}.inspector-edit-btn.active{background:var(--green);color:var(--bg);border-color:var(--green)}.inspector-edit-form{flex:1;overflow-y:auto;padding:12px;background:var(--bg);display:flex;flex-direction:column;gap:10px}.edit-row{display:flex;flex-direction:column;gap:4px}.edit-label{font-size:9px;color:var(--text-mute);letter-spacing:1px;text-transform:uppercase}.edit-input{font-family:inherit;font-size:11px;padding:5px 8px;background:var(--bg-card);border:1px solid var(--border);color:var(--text);border-radius:3px;outline:none}.edit-input:focus{border-color:var(--green)}.edit-textarea{resize:vertical;min-height:50px;font-family:inherit;line-height:1.4}.edit-note{font-size:9px;color:var(--text-mute);line-height:1.4;padding:4px 0}.edit-overlay{position:absolute;pointer-events:auto;border:1.5px dashed var(--green);background:#4ecdc414;cursor:move;z-index:9000;box-sizing:border-box;transition:opacity .1s}.edit-overlay:before{content:"DRAG";position:absolute;top:-16px;left:0;font-size:8px;letter-spacing:1px;color:var(--green);background:var(--bg);padding:1px 5px;border-radius:2px}.edit-overlay.dragging{cursor:grabbing;background:#00ff882e;border-style:solid}.edit-overlay.multi:before{content:"DRAG (multi)"}.edit-marquee{position:absolute;pointer-events:none;border:1px dashed var(--green);background:#4ecdc41a;z-index:8900;box-sizing:border-box}.edit-extra-outline{position:absolute;pointer-events:none;border:1px dashed var(--green);background:#4ecdc40d;z-index:8950;box-sizing:border-box;transition:opacity .1s}.edit-coord-tip{position:absolute;z-index:9100;pointer-events:none;background:var(--bg);color:var(--green);border:1px solid var(--green);padding:3px 7px;font-size:10px;font-family:JetBrains Mono,monospace;letter-spacing:.5px;border-radius:3px;white-space:nowrap}.edit-guides{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:9050}.edit-guide{position:absolute;background:#ff3b8e;box-shadow:0 0 4px #ff3b8e99}.edit-guide-v{width:1px}.edit-guide-h{height:1px}.inspector-align-bar{display:flex;align-items:center;gap:2px;padding:6px 12px;background:var(--bg-card);border-bottom:1px solid var(--border);flex-wrap:wrap}.align-btn{background:transparent;border:1px solid var(--border-hi);color:var(--text);font-size:12px;width:24px;height:22px;border-radius:3px;cursor:pointer;display:flex;align-items:center;justify-content:center;font-family:inherit;padding:0;transition:all .1s}.align-btn:hover:not(:disabled){background:var(--green-lo);border-color:var(--green-dim);color:var(--green)}.align-btn:disabled{opacity:.3;cursor:not-allowed}.align-sep{width:1px;height:16px;background:var(--border-hi);margin:0 4px}.row-actions{display:flex;align-items:center;gap:2px;opacity:0;transition:opacity .1s}.inspector-row:hover .row-actions,.inspector-row.selected .row-actions,.inspector-row.layer-locked .row-actions,.inspector-row.layer-hidden .row-actions{opacity:1}.row-action{background:transparent;border:1px solid transparent;color:var(--text-dim);font-size:10px;width:18px;height:18px;border-radius:3px;cursor:pointer;display:flex;align-items:center;justify-content:center;font-family:inherit;padding:0;line-height:1}.row-action:hover{background:var(--green-lo);border-color:var(--green-dim);color:var(--green)}.row-action.active{color:var(--green);background:var(--green-lo);border-color:var(--green-dim)}.inspector-row.layer-locked .inspector-name{font-style:italic;opacity:.55}.inspector-row.layer-hidden .inspector-name{text-decoration:line-through;opacity:.45}.stage-selector{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);text-align:center;z-index:100;display:flex;flex-direction:column;align-items:center;gap:16px}.file-label{display:inline-flex;align-items:center;gap:10px;padding:18px 36px;border:1.5px dashed var(--border-hi);border-radius:14px;color:var(--green);font-size:15px;font-weight:600;cursor:pointer;transition:all .2s;background:#00ff8805}.file-label:hover,.drag-over .file-label{background:var(--green-lo);border-color:var(--green-dim);box-shadow:0 0 30px #00ff8814;transform:translateY(-1px)}.katex{color:inherit;font-size:1em}.math-fallback{font-family:var(--mono);font-style:italic;opacity:.8}::-webkit-scrollbar{width:5px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-mute)}::selection{background:#0f83;color:var(--green)}@keyframes pulse-glow{0%,to{box-shadow:0 0 8px var(--green-glow)}50%{box-shadow:0 0 16px var(--green-glow)}}.ctrl-btn:active{transform:scale(.95)}.layer-av svg[data-step] [data-step]{transition:opacity var(--svg-step-anim, .45s) ease}.layer-av svg[data-step] [data-step].svg-step-hidden{opacity:0}.layer-av svg[data-draw="1"][data-step] [data-step]{transition:none}.layer-av svg[data-step] [data-shift]{transition:transform var(--svg-step-anim, .45s) ease;transform-box:view-box;transform-origin:0 0}.layer-av svg [data-highlight-step]{transition:filter var(--svg-step-anim, .45s) ease}.layer-av svg [data-highlight-step].svg-step-lit{filter:brightness(var(--svg-step-lit-boost, 1.8))}.layer-av svg [data-highlight-step] :is(path,line,polyline,polygon,circle,ellipse,rect){transition:stroke var(--svg-step-anim, .45s) ease}.layer-av svg [data-highlight-step].svg-step-lit :is(path,line,polyline,polygon,circle,ellipse,rect){stroke:var(--t-primary, #0FF2A5)}