:root{--bg: #161617;--panel: #222224;--panel-2: #2b2b2e;--line: #38383c;--text: #d6d6d8;--dim: #8e8e93;--accent: #4d9bf5;color-scheme:dark}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font:12px/1.4 Segoe UI,Microsoft JhengHei,system-ui,sans-serif;overflow:hidden;-webkit-user-select:none;user-select:none}button,select,input[type=number],input:not([type]){font:inherit;color:var(--text);background:var(--panel-2);border:1px solid var(--line);border-radius:4px;padding:4px 10px}button{cursor:pointer}button:hover:not(:disabled){background:#36363a}button:disabled{opacity:.4;cursor:default}button.primary{background:var(--accent);border-color:var(--accent);color:#fff}button.primary:hover:not(:disabled){background:#63a9f8}button.on{background:#3d3d42;border-color:#5a5a60;color:#fff}button.ghost{background:none;border:none;color:var(--dim);padding:2px 6px}button.ghost:hover:not(:disabled){background:none;color:#fff}.app{display:grid;height:100%;grid-template:"top top top" 40px "left center right" minmax(0,1fr) / 220px minmax(0,1fr) 320px}.top{grid-area:top;display:flex;align-items:center;gap:6px;padding:0 10px;background:var(--panel);border-bottom:1px solid #000}.brand{font-weight:600;font-size:13px;letter-spacing:.04em;margin-right:10px;color:#fff}.sep{width:1px;height:18px;background:var(--line);margin:0 4px}.grow{flex:1}.left,.right{background:var(--panel);display:flex;flex-direction:column;min-height:0}.left{grid-area:left;border-right:1px solid #000}.right{grid-area:right;border-left:1px solid #000}.center{grid-area:center;display:flex;flex-direction:column;min-width:0;min-height:0;position:relative}.viewer{position:relative;flex:1;min-height:0}.viewer canvas{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;cursor:grab;touch-action:none}.viewer canvas:active{cursor:grabbing}.viewer-error{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;color:#ff8a8a;padding:20px;white-space:pre-wrap}.badge{position:absolute;right:10px;bottom:10px;background:#0000008c;padding:2px 8px;border-radius:3px;color:var(--dim);pointer-events:none}.left-badge{right:auto;left:10px;color:#fff}.empty{position:absolute;top:24px;right:24px;bottom:24px;left:24px;border:1.5px dashed var(--line);border-radius:10px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;color:var(--dim);cursor:pointer}.empty-title{font-size:18px;color:var(--text)}.filmstrip{display:flex;gap:6px;padding:6px 8px;background:var(--panel);border-top:1px solid #000;overflow-x:auto;flex:none}.thumb{position:relative;height:64px;flex:none;border:2px solid transparent;border-radius:3px;cursor:pointer;opacity:.7}.thumb.on{border-color:#fff;opacity:1}.thumb:hover{opacity:1}.thumb img{height:100%;display:block;border-radius:1px}.del{visibility:hidden}.thumb .del{position:absolute;top:0;right:0;background:#0009!important;border-radius:0 0 0 4px;color:#fff}.thumb:hover .del,.preset:hover .del{visibility:visible}.panel-head{display:flex;justify-content:space-between;align-items:center;padding:8px 6px 8px 12px;font-weight:600;border-bottom:1px solid var(--line)}.preset-name{display:flex;gap:4px;padding:8px;border-bottom:1px solid var(--line)}.preset-name input{flex:1;min-width:0;-webkit-user-select:text;user-select:text}.preset-list{flex:1;overflow-y:auto;padding:4px 0}.preset-group{padding:6px 10px;color:var(--dim);cursor:pointer;display:flex;gap:6px;align-items:center}.count{margin-left:auto;font-size:11px}.preset{display:flex;align-items:center;padding:5px 6px 5px 26px;cursor:pointer}.preset:hover{background:var(--panel-2);color:#fff}.preset.disabled{opacity:.4;cursor:default}.preset-label{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.hint{color:var(--dim);font-size:11px}.hint.pad{padding:10px 12px;border-top:1px solid var(--line)}.histogram{width:100%;height:110px;background:#19191a;border-bottom:1px solid #000;flex:none;display:block}.panels{flex:1;overflow-y:auto;scrollbar-gutter:stable}.panels.disabled{opacity:.4;pointer-events:none}.section{border-bottom:1px solid #111}.section>header{display:flex;align-items:center;gap:6px;padding:9px 10px;cursor:pointer;background:#262628}.section-title{flex:1;font-weight:600;font-size:12.5px}.chev{color:var(--dim);width:10px}.section-body{padding:6px 12px 12px}.section-body h4{margin:12px 0 4px;font-size:11px;font-weight:600;color:var(--dim)}.slider{display:grid;grid-template-columns:62px 1fr 40px;align-items:center;gap:8px;height:24px}.slider-label{color:var(--dim);white-space:nowrap;display:flex;align-items:center;gap:5px}.slider.changed .slider-label,.slider.changed .slider-value{color:#fff}.slider-value{text-align:right;font-variant-numeric:tabular-nums;color:var(--dim)}.dot{width:8px;height:8px;border-radius:50%;display:inline-block;flex:none}.dot.mark{width:5px;height:5px;margin-left:4px;background:var(--accent);vertical-align:middle}input[type=range]{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:100%;height:3px;margin:0;border-radius:2px;background:#4a4a4f;outline:none;cursor:pointer}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:13px;height:13px;border-radius:50%;background:#d8d8da;border:1px solid #111}input[type=range]::-moz-range-thumb{width:12px;height:12px;border-radius:50%;background:#d8d8da;border:1px solid #111}input[type=range]:hover::-webkit-slider-thumb,input[type=range]:focus-visible::-webkit-slider-thumb{background:#fff}.tabs{display:flex;gap:4px;margin:4px 0 8px}.tabs button{flex:1;padding:3px 4px;white-space:nowrap}.tabs button.ghost{flex:none}.curve svg{width:100%;aspect-ratio:1;background:#19191a;border:1px solid var(--line);border-radius:3px;display:block;cursor:crosshair;touch-action:none;overflow:visible}.curve .grid,.curve .grid line{stroke:#343438;stroke-width:1;vector-effect:non-scaling-stroke}.curve .hint{margin-top:6px}.wheel{position:relative;width:150px;height:150px;margin:6px auto 12px;border-radius:50%;background:radial-gradient(circle,gray,#80808000 70%),conic-gradient(from 90deg,red,#f0f,#00f,#0ff,#0f0,#ff0,red);box-shadow:0 0 0 1px #000,inset 0 0 0 1px #0006;cursor:crosshair;touch-action:none;filter:saturate(.75)}.wheel-knob{position:absolute;width:12px;height:12px;margin:-6px 0 0 -6px;border-radius:50%;border:2px solid #fff;box-shadow:0 0 0 1px #000;pointer-events:none}.lut-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:4px}.toast{position:fixed;left:50%;bottom:96px;transform:translate(-50%);background:#141416f2;border:1px solid var(--line);padding:8px 16px;border-radius:6px;max-width:70vw;z-index:30}.drop-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#4d9bf526;border:2px solid var(--accent);display:grid;place-items:center;font-size:20px;color:#fff;pointer-events:none;z-index:40}.modal-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#0000008c;display:grid;place-items:center;z-index:20}.modal{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:18px 20px;width:340px;display:flex;flex-direction:column;gap:14px}.modal h3{margin:0;font-size:15px}.modal label{display:flex;flex-direction:column;gap:6px;color:var(--dim)}.modal label.row{flex-direction:row;align-items:center}.modal input[type=number]{width:90px}.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:4px}