:root{--stage: #4d6655;--panel: #a3b8a8;--panel-2: #91a897;--panel-3: #b5c7b9;--field: #cbd8cd;--hover: #c2d1c5;--line: #5d7464;--line-soft: #809886;--text: #0f1a12;--text-dim: #25362a;--text-faint: #46594c;--track: #809886;--accent: #f4c430;--accent-hover: #f8d45e;--accent-text: #111;--warn: #7a4b00;--error: #9e1c14;--ok: #1d5a2a;--sidebar: 348px;--label-w: 108px;--num-w: 70px;color-scheme:light}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--stage);color:var(--text);font:11px/1.4 ui-sans-serif,-apple-system,SF Pro Text,Segoe UI,system-ui,sans-serif;overflow:hidden;-webkit-font-smoothing:antialiased}:focus-visible{outline:1px solid var(--text);outline-offset:1px}.app{display:grid;grid-template-areas:"toolbar toolbar" "stage   sidebar" "status  status";grid-template-columns:minmax(0,1fr) var(--sidebar);grid-template-rows:auto minmax(0,1fr) auto;height:100%}.toolbar{grid-area:toolbar;display:flex;align-items:center;gap:8px;padding:5px 8px;background:var(--panel-2);border-bottom:1px solid var(--line);min-width:0}.brand{display:flex;align-items:center;gap:6px;font:inherit;font-weight:700;margin-right:4px;padding:2px 6px 2px 2px;color:var(--text);background:none;border:1px solid transparent;cursor:pointer}.brand:hover{background:var(--hover);border-color:var(--line-soft)}.brand.on{background:var(--field);border-color:var(--line)}.brand-mark{display:inline-flex;width:18px;height:18px}.brand-mark svg{width:100%;height:100%;display:block}.spacer{flex:1}.btn{appearance:none;border:1px solid var(--line);background:var(--panel-3);color:var(--text);border-radius:0;padding:3px 9px;font:inherit;cursor:pointer;white-space:nowrap}.btn:hover{background:var(--hover)}.btn:active{background:var(--accent)}.btn:disabled{color:var(--text-faint);cursor:default;background:var(--panel-2)}.btn.primary{background:var(--accent);color:var(--accent-text);font-weight:600}.btn.primary:hover{background:var(--accent-hover)}.toolbar .btn+.btn{margin-left:-9px}.btn-row{display:flex;gap:0;margin:8px 0 2px}.btn-row .btn{flex:1}.btn-row .btn+.btn{margin-left:-1px}.link-btn{appearance:none;background:none;border:0;color:var(--text-dim);font:inherit;text-decoration:underline;text-underline-offset:2px;cursor:pointer;padding:2px 0}.link-btn:hover{color:var(--text)}.segmented{display:inline-flex;border:1px solid var(--line);background:var(--panel-3)}.segmented.presets{flex-wrap:nowrap}.seg{appearance:none;border:0;border-right:1px solid var(--line);background:transparent;color:var(--text);font:inherit;padding:3px 9px;cursor:pointer;white-space:nowrap}.seg:last-child{border-right:0}.seg:hover{background:var(--hover)}.seg.on{background:var(--accent);color:var(--accent-text);font-weight:600}.stage{grid-area:stage;position:relative;overflow:hidden;background:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px) 0 0 / 32px 32px,linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px) 0 0 / 32px 32px,var(--stage);cursor:grab}:root[data-ground=squares] .stage{background:repeating-conic-gradient(rgba(255,255,255,.08) 0 25%,transparent 0 50%) 0 0 / 16px 16px,var(--stage)}:root[data-ground=marbled] .stage{background:var(--marble) 0 0 / 240px 240px repeat,var(--stage);touch-action:none}.stage.panning{cursor:grabbing}.stage.drop:after{content:"Drop an image or a .contour document";position:absolute;inset:12px;border:2px dashed var(--accent);display:grid;place-items:center;color:var(--accent);font-weight:600;font-size:13px;background:#1e2c22bf;pointer-events:none}.surface{position:absolute;top:0;left:0;transform-origin:0 0;outline:1px solid rgba(0,0,0,.35);background:#fff;--split: 50%}.surface.transparent{background:transparent;outline:1px solid color-mix(in oklab,var(--stage),#fff 42%)}.surface>*{position:absolute;top:0;left:0;display:block}.svg-host svg{display:block}.stage[data-view=drawing] .photo,.stage[data-view=photo] .svg-host{opacity:0}.stage[data-view=split] .photo{clip-path:inset(0 calc(100% - var(--split)) 0 0)}.stage[data-view=split] .svg-host{clip-path:inset(0 0 0 var(--split))}.split-handle{position:absolute;top:0;bottom:0;width:22px;margin-left:-11px;display:none;align-items:center;justify-content:center;cursor:ew-resize;touch-action:none;z-index:3}.stage[data-view=split] .split-handle{display:flex}.split-handle:before{content:"";position:absolute;top:0;bottom:0;left:50%;width:1px;background:var(--accent)}.split-grip{width:18px;height:44px;background:var(--accent);border:1px solid var(--text);position:relative}.split-grip:after{content:"‹›";position:absolute;inset:0;display:grid;place-items:center;color:var(--text);font-size:13px;letter-spacing:1px}.freeform-overlay{position:absolute;inset:0;pointer-events:none;z-index:2;display:none}.freeform-overlay.on{display:block}.free-handle{position:absolute;width:16px;height:16px;margin:-8px 0 0 -8px;padding:0;border-radius:50%;border:2px solid #fff;box-shadow:0 0 0 1px #000;cursor:grab;pointer-events:auto;touch-action:none}.free-handle:active{cursor:grabbing}.free-handle.on{width:20px;height:20px;margin:-10px 0 0 -10px;box-shadow:0 0 0 2px var(--accent),0 0 0 3px #000}.free-reach{position:absolute;border-radius:50%;border:1px dashed rgba(255,255,255,.4);pointer-events:none}.free-reach.on{border-color:var(--accent)}.busy{position:absolute;top:10px;left:10px;padding:3px 9px;background:var(--accent);border:1px solid var(--text);color:var(--accent-text);font-weight:600;visibility:hidden;pointer-events:none}.busy.on{visibility:visible}.sidebar{grid-area:sidebar;background:var(--panel);border-left:1px solid var(--line);overflow-y:auto;overscroll-behavior:contain;min-height:0}.sidebar::-webkit-scrollbar{width:10px}.sidebar::-webkit-scrollbar-track{background:var(--panel-2)}.sidebar::-webkit-scrollbar-thumb{background:var(--line-soft);border:2px solid var(--panel-2)}.panel{border-bottom:1px solid var(--line)}.panel-head-row{display:flex;align-items:stretch;background:var(--panel-2);border-bottom:1px solid var(--line)}.panel.collapsed .panel-head-row{border-bottom:0}.info-btn{appearance:none;align-self:center;width:16px;height:16px;margin:0 8px;padding:0;border:1px solid var(--text-dim);border-radius:50%;background:transparent;color:var(--text-dim);font:italic 700 10px/14px Georgia,serif;cursor:pointer;flex:0 0 auto}.info-btn:hover{background:var(--hover)}.info-btn.on{background:var(--accent);border-color:var(--text);color:var(--accent-text)}.panel:not(.explain) .help{display:none}.panel-head{appearance:none;flex:1;min-width:0;display:flex;align-items:center;gap:7px;background:transparent;border:0;color:var(--text);font:inherit;font-weight:700;padding:5px 8px;cursor:pointer;text-align:left}.panel-head:hover{background:var(--hover)}.chev{width:0;height:0;border-left:4px solid transparent;border-right:4px solid transparent;border-top:5px solid var(--text-dim)}.panel.collapsed 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.range{grid-column:2;grid-row:1}.ctrl.slider .ctrl-value{grid-column:3;grid-row:1;width:100%}.ctrl.slider .note{grid-column:1 / -1}.ctrl-value{width:var(--num-w);flex:0 0 auto;text-align:right;background:var(--field);border:1px solid var(--line);border-radius:0;color:var(--text);font:inherit;font-variant-numeric:tabular-nums;padding:1px 5px;min-width:0}.ctrl-value.wide{width:100%;text-align:left}.ctrl-value:focus{outline:1px solid var(--text);outline-offset:0}.ctrl-value:disabled{background:var(--panel-2);color:var(--text-faint)}.range{-webkit-appearance:none;appearance:none;width:100%;min-width:0;height:16px;margin:0;background:none;cursor:pointer}.range::-webkit-slider-runnable-track{height:8px;border:1px solid var(--line);background:linear-gradient(to right,var(--accent) 0 var(--fill, 0%),var(--field) var(--fill, 0%) 100%)}.range::-webkit-slider-thumb{-webkit-appearance:none;width:3px;height:14px;margin-top:-4px;background:var(--text);border:none}.range::-moz-range-track{height:6px;border:1px solid var(--line);background:var(--field)}.range::-moz-range-progress{height:6px;background:var(--accent)}.range::-moz-range-thumb{width:3px;height:14px;border:none;border-radius:0;background:var(--text)}.range:disabled{cursor:default}.select{width:100%;background:var(--panel-3);border:1px solid var(--line);border-radius:0;color:var(--text);font:inherit;padding:3px 6px;cursor:pointer}.select:hover{background:var(--hover)}.check{display:flex;align-items:center;gap:7px;cursor:pointer;color:var(--text-dim)}.check:hover{color:var(--text)}.check input{-webkit-appearance:none;appearance:none;flex:0 0 auto;width:13px;height:13px;margin:0;border:1px solid var(--line);background:var(--field);cursor:pointer}.check input:checked{background:var(--accent);box-shadow:inset 0 0 0 2px var(--field);border-color:var(--text)}.colour-row{display:flex;gap:6px;align-items:center}.colour-row.disabled{opacity:.45}.swatch{-webkit-appearance:none;appearance:none;width:34px;height:22px;padding:0;border:1px solid var(--line);border-radius:0;background:none;cursor:pointer}.swatch::-webkit-color-swatch-wrapper{padding:0}.swatch::-webkit-color-swatch{border:0;border-radius:0}.hex{flex:1;text-align:left;font-variant-numeric:tabular-nums}.note{margin:2px 0 0;font-size:11px;color:var(--text-faint);line-height:1.4}.help{margin:6px 0;font-size:11px;line-height:1.5;color:var(--text-faint);border-left:2px solid var(--line-soft);padding-left:8px}.source-name{margin:4px 0 8px;color:var(--text-dim);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.pair{display:flex;gap:8px}.pair>*{flex:1;margin:6px 0;min-width:0}.tool-status{margin:2px 0 8px;padding:4px 7px;border:1px solid var(--line-soft);background:var(--field);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tool-status.ok{color:var(--ok)}.tool-status.warn{color:var(--warn);border-left:3px solid var(--accent)}.size-row{display:grid;grid-template-columns:var(--label-w) minmax(0,1fr) auto minmax(0,1fr) auto;align-items:center;column-gap:5px}.size-row .ctrl-value{width:100%}.unit{color:var(--text-faint)}.curve-editor .segmented{margin-bottom:8px;width:100%}.curve-editor .seg{flex:1}.curve-canvas{width:100%;height:auto;display:block;background:color-mix(in oklab,var(--stage),#000 50%);border:1px solid var(--line);cursor:crosshair;touch-action:none}.curve-readout{font-variant-numeric:tabular-nums;color:var(--text-dim);min-height:1.4em}.curve-canvas:focus-visible{outline:1px solid var(--text);outline-offset:1px}.gradient-editor{margin:6px 0 2px}.grad-bar{position:relative;height:40px;padding-bottom:14px;cursor:crosshair;touch-action:none}.grad-ramp{height:26px;border:1px solid var(--line)}.grad-handles{position:absolute;inset:26px 0 0}.grad-handle{position:absolute;top:0;width:11px;height:11px;margin-left:-6px;border:1px solid var(--text);pointer-events:none}.grad-handle.on{box-shadow:0 0 0 2px var(--accent);z-index:1}.grad-row{display:flex;align-items:center;gap:6px}.grad-row .hex{flex:1;min-width:0}.grad-row .pos{width:58px;text-align:right}.btn.small{padding:1px 7px}.strip-canvas{width:100%;height:64px;display:block;border:1px solid var(--line);margin-top:8px;cursor:ew-resize;touch-action:none}.palette{display:flex;flex-wrap:wrap;gap:5px;margin-bottom:6px}.pal-cell{position:relative;width:32px;height:32px;border:1px solid var(--line);overflow:hidden}.pal-cell.locked{outline:2px solid var(--accent);outline-offset:-1px}.pal-swatch{appearance:none;-webkit-appearance:none;width:100%;height:100%;padding:0;border:0;background:none;cursor:pointer;display:block}.pal-swatch::-webkit-color-swatch-wrapper{padding:0}.pal-swatch::-webkit-color-swatch{border:0;border-radius:0}.pal-lock{position:absolute;right:0;bottom:0;width:14px;height:14px;padding:0;border:0;background:#0000008c;color:#fffc;font-size:9px;line-height:14px;cursor:pointer}.pal-cell.locked .pal-lock{color:var(--accent-text);background:var(--accent)}.band-list{border:1px solid var(--line);margin:4px 0}.band-row{display:flex;align-items:center;gap:8px;padding:4px 8px;border-bottom:1px solid var(--line-soft);cursor:pointer;background:var(--panel-3)}.band-row:last-child{border-bottom:0}.band-row:hover{background:var(--hover)}.band-row.selected{background:var(--field);box-shadow:inset 3px 0 0 var(--accent)}.band-row.dragging{opacity:.4}.band-row.drop-target{box-shadow:inset 0 2px 0 var(--accent)}.band-eye{appearance:none;background:none;border:0;color:var(--text-dim);font-size:12px;cursor:pointer;padding:0 2px;line-height:1}.band-eye:hover{color:var(--text)}.band-swatch{width:20px;height:20px;border:1px solid var(--line);flex:0 0 auto;display:grid;place-items:center;font-size:12px;line-height:1}.band-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.band-meta{font-size:11px;color:var(--text-faint);font-variant-numeric:tabular-nums}.band-meta.error{color:var(--error);font-weight:700}.statusbar{grid-area:status;display:flex;align-items:center;padding:3px 8px;background:var(--panel-2);border-top:1px solid var(--line);color:var(--text-dim);min-height:22px;min-width:0}.status-text{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.status-text.warn{color:var(--warn)}.status-text.error{color:var(--error)}.fatal{padding:48px;max-width:44em;margin:0 auto;color:var(--text)}.fatal h1{font-size:20px}.fatal p{color:var(--error)}@media(pointer:coarse){:root{--num-w: 78px;--label-w: 100px}body{font-size:13px}.btn,.seg{padding:7px 12px}.toolbar .btn+.btn{margin-left:-9px}.btn.small{padding:5px 10px}.select,.ctrl-value{font-size:16px}.select{padding:6px 10px}.ctrl-value{padding:4px 6px}.panel-head{min-height:40px}.info-btn{width:26px;height:26px;font-size:14px;line-height:24px}.ctrl{margin:10px 0}.check{min-height:34px}.check input{width:22px;height:22px}.swatch{width:44px;height:32px}.pal-cell{width:42px;height:42px}.pal-lock{width:20px;height:20px;line-height:20px;font-size:12px}.band-row{padding:9px 8px}.band-eye{font-size:16px;padding:4px}.ctrl.slider{touch-action:pan-y}.range{height:34px;pointer-events:none}.range::-webkit-slider-runnable-track{height:12px}.range::-webkit-slider-thumb{width:6px;height:26px;margin-top:-8px}.range::-moz-range-track{height:10px}.range::-moz-range-progress{height:10px}.range::-moz-range-thumb{width:6px;height:26px}.split-handle{width:44px;margin-left:-22px}.split-grip{width:26px;height:56px}.free-handle{width:24px;height:24px;margin:-12px 0 0 -12px}.free-handle.on{width:28px;height:28px;margin:-14px 0 0 -14px}}@media(max-width:760px),(orientation:portrait)and (max-width:1100px){:root{--label-w: 96px}.app{height:100vh;height:100dvh;grid-template-areas:"toolbar" "stage" "sidebar" "status";grid-template-columns:minmax(0,1fr);grid-template-rows:auto 46dvh minmax(0,1fr) auto}.toolbar{gap:6px;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;padding:max(6px,env(safe-area-inset-top)) max(8px,env(safe-area-inset-right)) 6px 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auto}.toolbar{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;padding-left:max(8px,env(safe-area-inset-left));padding-right:max(8px,env(safe-area-inset-right))}.toolbar::-webkit-scrollbar{display:none}.toolbar>*{flex-shrink:0}.spacer{display:none}.stage{border-bottom:none}.sidebar{border-left:1px solid var(--line);padding-right:env(safe-area-inset-right);background:var(--panel)}}.tool-group{display:flex;align-items:center}.tool-group .btn+.btn{margin-left:-1px}.toolbar .tool-group+.btn,.toolbar .btn+.btn{margin-left:0}.tool-caption{color:var(--text-faint);font-weight:600;margin-right:-2px}.preset-select,.export-select{width:auto}.export-select{display:none}.compare .seg.on{background:var(--line-soft);color:var(--text);font-weight:600}.stage[data-view=under] .photo{opacity:.3}.stage[data-view=under] .svg-host{mix-blend-mode:multiply}.stage.picking{cursor:crosshair}.progress{position:absolute;top:0;left:0;right:0;height:18px;background:var(--panel-2);border-bottom:1px solid var(--line);visibility:hidden;pointer-events:none;z-index:4}.progress.on{visibility:visible}.progress-fill{position:absolute;inset:0 auto 0 0;width:100%;background:var(--accent);opacity:.6}.progress-label{position:relative;padding:0 8px;line-height:18px;font-weight:600}.drop-zone{position:absolute;inset:24px;display:grid;place-items:center;border:1px dashed var(--line-soft)}.drop-zone[hidden]{display:none}.drop-zone-inner{text-align:center;color:color-mix(in oklab,var(--panel),#fff 45%);display:grid;gap:10px;justify-items:center}.drop-zone-title{margin:0;font-size:15px;font-weight:600}.drop-zone-hint{margin:0;opacity:.75}.surface[hidden]{display:none}@media(pointer:coarse){.export-select{display:block;width:108px;font-size:16px}.export-buttons{display:none}}.paper-choices{display:grid;grid-template-columns:repeat(3,1fr);margin:4px 0}.paper-choices .seg:nth-child(3n){border-right:0}.paper-choices .seg:nth-child(-n+3){border-bottom:1px solid var(--line)}.paper-choices .seg{display:inline-flex;align-items:center;justify-content:center;gap:5px}.paper-chip{width:11px;height:11px;border:1px solid var(--line);flex:0 0 auto}.paper-chip.none{background:repeating-conic-gradient(#fff 0 25%,#c9c9c9 0 50%) 0 0 / 6px 6px}.paper-row{cursor:default;border:1px solid var(--line);border-top:0;margin-top:-4px}.paper-row:hover{background:var(--panel-3)}.paper-swatch{padding:0;cursor:pointer;appearance:none;-webkit-appearance:none}.paper-swatch::-webkit-color-swatch-wrapper{padding:0}.paper-swatch::-webkit-color-swatch{border:0}.paper-row.none .paper-swatch{opacity:.25}.paper-row.none .band-name{color:var(--text-dim)}.gui-colours{position:fixed;z-index:50;width:264px;padding:8px;display:grid;gap:8px;background:var(--panel);border:1px solid var(--line);color:var(--text)}.gui-colours[hidden]{display:none}.gui-head{display:flex;align-items:center;justify-content:space-between}.gui-title{font-weight:700}.gui-tabs{display:grid;grid-template-columns:repeat(3,1fr)}.gui-tabs .seg{display:inline-flex;align-items:center;justify-content:center;gap:5px}.gui-tab-chip{width:10px;height:10px;border:1px solid var(--line)}.gui-grid{display:grid;grid-template-columns:repeat(12,1fr);border:1px solid var(--line)}.gui-square{appearance:none;aspect-ratio:1;padding:0;border:0;cursor:pointer}.gui-square:hover{outline:2px solid var(--text);outline-offset:-1px;position:relative;z-index:1}.gui-field{position:relative;height:120px;border:1px solid var(--line);cursor:crosshair;touch-action:none;background:linear-gradient(to top,#000,transparent),linear-gradient(to right,#fff,var(--hue, red))}.gui-knob{position:absolute;width:10px;height:10px;margin:-5px 0 0 -5px;border:2px solid #fff;outline:1px solid #000;pointer-events:none}.gui-range{display:grid;grid-template-columns:76px 1fr;align-items:center;gap:6px}.gui-range input{width:100%;margin:0}.gui-hue{appearance:none;height:12px;border:1px solid var(--line);background:linear-gradient(to right,red,#ff0 17%,#0f0 33%,#0ff,#00f 67%,#f0f 83%,red)}.gui-hue::-webkit-slider-thumb{appearance:none;width:6px;height:14px;background:#fff;border:1px solid #000}.gui-hex-row{display:grid;grid-template-columns:22px 1fr auto;gap:6px;align-items:center}.gui-swatch{height:22px;border:1px solid var(--line)}.gui-colours .range{pointer-events:auto}.gui-ground{display:grid;grid-template-columns:76px 1fr;align-items:center;gap:6px}.gui-ground .segmented{display:grid;grid-template-columns:repeat(3,1fr)}.gui-views{display:grid;grid-template-columns:1fr 1fr}.gui-grid[hidden],.gui-spectrum[hidden]{display:none}.gui-spectrum{position:relative;height:150px;border:1px solid var(--line);cursor:crosshair;touch-action:none;background:linear-gradient(to bottom,#fff,#fff0 50%,#0000 50%,#000),linear-gradient(to right,red,#ff0 16.67%,#0f0,#0ff,#00f,#f0f 83.33%,red)}.toolbar,.sidebar,.statusbar,.stage,.gui-colours{-webkit-user-select:none;user-select:none}input,textarea,.help,.source-name{-webkit-user-select:text;user-select:text}