#is-app{--rail: 320px}.is-engine{font-family:var(--font-mono);font-size:.74rem;color:var(--text-muted)}.is-toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;background:var(--surface);border:1px solid var(--border-strong);border-radius:var(--radius-md) var(--radius-md) 0 0;padding:8px 10px}.is-tb-group{display:flex;gap:6px;align-items:center}.is-tb-right{margin-left:auto}.is-tb-btn{display:inline-flex;align-items:center;gap:6px;background:var(--surface-hover);border:1px solid var(--border-strong);color:var(--text);border-radius:var(--radius-sm);padding:8px 12px;font-size:.82rem;cursor:pointer;transition:border-color var(--dur-fast) var(--ease),color var(--dur-fast) var(--ease);white-space:nowrap}.is-tb-btn:hover:not(:disabled){border-color:var(--accent-text);color:var(--accent-text)}.is-tb-btn:disabled{opacity:.4;cursor:default}.is-tb-btn.is-on{border-color:var(--accent-text);color:var(--accent-text);background:var(--accent-soft)}.is-tb-primary{background:var(--accent);color:#fff;border-color:transparent}.is-tb-primary:hover{background:var(--accent-hover);color:#fff}.is-main{display:grid;grid-template-columns:1fr var(--rail);gap:0;border:1px solid var(--border-strong);border-top:none;border-radius:0 0 var(--radius-md) var(--radius-md);overflow:hidden}.is-stage{position:relative;background:#0a0a09;display:grid;place-items:center;overflow:hidden;min-height:420px;background-image:linear-gradient(45deg,#141413 25%,transparent 25%),linear-gradient(-45deg,#141413 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#141413 75%),linear-gradient(-45deg,transparent 75%,#141413 75%);background-size:22px 22px;background-position:0 0,0 11px,11px -11px,-11px 0}.is-stage canvas#is-canvas{max-width:100%;max-height:68vh;height:auto;display:block;box-shadow:0 0 0 1px #0006,0 10px 40px #00000080}.is-overlay{position:absolute;pointer-events:auto}.is-badge{position:absolute;top:10px;left:10px;font-family:var(--font-mono);font-size:.68rem;color:var(--text-secondary);background:#0009;border:1px solid var(--border-strong);border-radius:var(--radius-pill);padding:3px 10px;pointer-events:none;z-index:2}.is-split{position:absolute;top:0;bottom:0;width:2px;background:#fff;box-shadow:0 0 0 1px #00000080;z-index:3;pointer-events:none}.is-hist{position:absolute;top:10px;right:10px;background:#0000009e;border:1px solid var(--border-strong);border-radius:var(--radius-sm);padding:4px;z-index:2}.is-hist canvas{display:block;width:180px;height:60px}.is-crop-bar{position:absolute;bottom:12px;left:50%;transform:translate(-50%);display:flex;gap:12px;align-items:center;flex-wrap:wrap;justify-content:center;background:#000000c7;border:1px solid var(--border-strong);border-radius:var(--radius-pill);padding:8px 12px;z-index:4;max-width:94%}.is-crop-actions{display:flex;gap:8px}.is-stage-empty{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;text-align:center;padding:24px;cursor:pointer;z-index:5;background:radial-gradient(130% 100% at 50% 35%,rgba(204,26,29,.07),transparent 70%),#0a0a09db}.is-stage-empty[hidden]{display:none}.is-se-ic svg{width:50px;height:50px;color:var(--accent-text);opacity:.85}.is-se-title{font-family:var(--font-display);font-size:clamp(1rem,3.5vw,1.25rem);color:var(--text)}.is-se-sub{color:var(--text-secondary);font-size:.9rem}.is-se-actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-top:6px}.is-rail{background:var(--surface);border-left:1px solid var(--border-strong);display:flex;flex-direction:column;max-height:78vh}.is-rail-tabs{display:flex;border-bottom:1px solid var(--border)}.is-rt{flex:1;background:none;border:none;color:var(--text-muted);font-family:var(--font-mono);font-size:.8rem;padding:12px;cursor:pointer}.is-rt.is-active{color:var(--accent-text);box-shadow:inset 0 -2px 0 var(--accent)}#is-edit-pane,#is-batch-pane{overflow-y:auto;padding:12px}.is-accordion{border-bottom:1px solid var(--border)}.is-acc-head{width:100%;display:flex;justify-content:space-between;align-items:center;background:none;border:none;color:var(--text);font-family:var(--font-display);font-size:.78rem;letter-spacing:.04em;text-transform:uppercase;padding:13px 4px;cursor:pointer}.is-acc-head .is-acc-reset{font-family:var(--font-mono);font-size:.62rem;color:var(--text-muted);text-transform:none;letter-spacing:0;border:1px solid var(--border-strong);border-radius:var(--radius-pill);padding:2px 7px;margin-left:auto;margin-right:8px}.is-acc-head .is-acc-reset:hover{color:var(--accent-text);border-color:var(--accent-line)}.is-acc-chev{transition:transform var(--dur-fast) var(--ease);color:var(--text-muted)}.is-accordion.is-collapsed .is-acc-body{display:none}.is-accordion.is-collapsed .is-acc-chev{transform:rotate(-90deg)}.is-acc-body{padding:4px 4px 16px}.is-slider{margin-bottom:13px}.is-slider-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:4px}.is-slider-top label{font-family:var(--font-mono);font-size:.72rem;text-transform:uppercase;letter-spacing:.03em;color:var(--text-secondary);cursor:pointer}.is-slider-val{font-family:var(--font-mono);font-size:.76rem;color:var(--text);min-width:3ch;text-align:right}.is-slider-val.act{color:var(--accent-text)}.is-slider input[type=range]{width:100%;accent-color:var(--accent);touch-action:manipulation}.is-slider input:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.is-hsl-mini input{touch-action:manipulation}.is-curve-tabs{display:flex;gap:4px;margin-bottom:8px}.is-curve-tab{flex:1;background:var(--code-bg);border:1px solid var(--border-strong);color:var(--text-secondary);border-radius:var(--radius-sm);padding:5px;font-family:var(--font-mono);font-size:.72rem;cursor:pointer}.is-curve-tab.is-active{color:#fff}.is-curve-tab[data-ch=m].is-active{background:var(--text-muted)}.is-curve-tab[data-ch=r].is-active{background:#c0392b}.is-curve-tab[data-ch=g].is-active{background:#27923a}.is-curve-tab[data-ch=b].is-active{background:#2c6fd6}.is-curve-wrap{position:relative;aspect-ratio:1;background:var(--code-bg);border:1px solid var(--border-strong);border-radius:var(--radius-sm)}.is-curve-wrap canvas{width:100%;height:100%;display:block;cursor:crosshair;touch-action:none}.is-hsl-band{margin-bottom:12px}.is-hsl-band-head{display:flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:.68rem;color:var(--text-secondary);text-transform:uppercase;margin-bottom:4px}.is-hsl-sw{width:12px;height:12px;border-radius:3px}.is-hsl-band .is-sub{display:grid;grid-template-columns:1fr 1fr 1fr;gap:6px}.is-hsl-mini label{font-size:.6rem;color:var(--text-muted);display:block;text-align:center}.is-hsl-mini input{width:100%;accent-color:var(--accent)}.is-filter-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(72px,1fr));gap:8px;margin:12px 0}.is-filter{border:1.5px solid var(--border);border-radius:var(--radius-sm);overflow:hidden;cursor:pointer;background:var(--code-bg);padding:0}.is-filter.sel{border-color:var(--accent)}.is-filter-sw{height:38px;display:block}.is-filter-name{display:block;padding:4px 2px;font-family:var(--font-mono);font-size:.62rem;color:var(--text-secondary);text-align:center}.is-lut-chips{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:10px}.is-lut-chip{display:inline-flex;align-items:center;gap:5px;background:var(--surface-hover);border:1px solid var(--border-strong);color:var(--text-secondary);border-radius:var(--radius-pill);padding:5px 11px;font-size:.76rem;cursor:pointer}.is-lut-chip.sel{border-color:var(--accent);color:var(--accent-text);background:var(--accent-soft)}.is-lut-chip-x{border:none;background:none;color:inherit;cursor:pointer;padding:0;opacity:.6}.is-lut-chip-x:hover{opacity:1;color:#f0a0a0}.is-lut-row,.is-preset-io{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:10px}.is-export-card{width:min(440px,100%)}.is-out-info{font-family:var(--font-mono);font-size:.84rem;color:var(--text);padding-top:8px}.is-status{font-family:var(--font-mono);font-size:.8rem;color:var(--text-secondary);margin:8px 0 0;min-height:1.1em}.is-status.ok{color:#8ce39a}.is-status.err{color:#f0a0a0}.is-batch-drop{margin:0 0 12px;padding:22px 14px}.ve-mb{margin:0 0 12px}@media(max-width:860px){.is-main{grid-template-columns:1fr}.is-rail{border-left:none;border-top:1px solid var(--border-strong);max-height:none}.is-stage{min-height:320px}.is-stage canvas#is-canvas{max-height:46vh}.is-hist canvas{width:130px;height:44px}.ve-modal{padding:0;align-items:flex-end}.is-export-card{width:100%;border-radius:var(--radius-lg) var(--radius-lg) 0 0;max-height:88vh;overflow-y:auto}}@media(prefers-reduced-motion:reduce){.is-acc-chev,.ve-progress-fill{transition:none}}