:root{color-scheme:dark light;--bg: #0e1116;--bg-raised: #161b22;--bg-sunken: #0a0d11;--border: #272e3a;--border-strong: #3a4454;--text: #e6edf3;--text-dim: #9aa6b4;--text-faint: #6b7684;--accent: #4da3ff;--accent-soft: rgba(77, 163, 255, .14);--accent-text: #0a0d11;--warn: #f0a44a;--ok: #58c98a;--hist-fill: #7dd3fc;--radius: 10px;--radius-sm: 7px;--panel-width: 348px;--font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace}@media (prefers-color-scheme: light){:root{--bg: #f4f6f9;--bg-raised: #ffffff;--bg-sunken: #e7ebf0;--border: #d8dee7;--border-strong: #bcc5d1;--text: #19212b;--text-dim: #5a6775;--text-faint: #8a95a3;--accent: #0f6fd6;--accent-soft: rgba(15, 111, 214, .1);--accent-text: #ffffff;--hist-fill: 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var(--border);flex-wrap:wrap}.brand{display:flex;align-items:center;gap:10px}.brand-mark{display:grid;place-items:center;width:32px;height:32px;border-radius:9px;background:linear-gradient(140deg,var(--accent),#8b5cf6);color:#fff;font-weight:700;font-size:13px;letter-spacing:-.02em}.brand-name{display:block;font-size:15px;letter-spacing:-.01em}.brand-sub{display:block;font-size:11px;color:var(--text-faint)}.tool-nav{display:flex;gap:2px;flex:1;min-width:0;overflow-x:auto;padding:2px;background:var(--bg-sunken);border:1px solid var(--border);border-radius:var(--radius)}.tool-tab{display:inline-flex;align-items:center;gap:7px;padding:7px 11px;border:0;border-radius:var(--radius-sm);background:transparent;color:var(--text-dim);font:inherit;font-size:13px;white-space:nowrap;cursor:pointer}.tool-tab:hover{color:var(--text);background:#7f8ca01f}.tool-tab.is-active{color:var(--text);background:var(--accent-soft);box-shadow:inset 0 0 0 1px 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var(--panel-width);min-height:0;overflow:hidden}.app-body.is-landing{display:block;overflow-y:auto}.app-body.is-drop-target{outline:2px dashed var(--accent);outline-offset:-8px}@media (max-width: 900px){.app-body{grid-template-columns:minmax(0,1fr);grid-template-rows:minmax(240px,1fr) auto;overflow-y:auto}}.landing{max-width:920px;margin:0 auto;padding:44px 20px 64px;display:grid;gap:28px}.landing-head h1{margin:0 0 8px;font-size:clamp(24px,4vw,34px);line-height:1.15;letter-spacing:-.02em}.lede{margin:0;max-width:62ch;color:var(--text-dim);font-size:15px}.dropzone{display:grid;justify-items:center;gap:8px;padding:46px 24px;border:1.5px dashed var(--border-strong);border-radius:16px;background:var(--bg-raised);color:var(--text);font:inherit;cursor:pointer;transition:border-color .15s,background .15s}.dropzone:hover{border-color:var(--accent);background:var(--accent-soft)}.dropzone 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var(--border);background:var(--bg-raised);flex-wrap:wrap}.stage-bar-left{display:flex;align-items:baseline;gap:10px;min-width:0}.stage-bar-right{display:flex;gap:6px}.stage-name{font-weight:600;max-width:44ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.stage-meta{font-family:var(--mono);font-size:12px;color:var(--text-dim)}.stage-canvas{display:grid;place-items:center;padding:18px;min-height:0;overflow:auto}.preview-frame{position:relative;display:block;line-height:0;background-image:linear-gradient(45deg,rgba(128,128,128,.22) 25%,transparent 25%),linear-gradient(-45deg,rgba(128,128,128,.22) 25%,transparent 25%),linear-gradient(45deg,transparent 75%,rgba(128,128,128,.22) 75%),linear-gradient(-45deg,transparent 75%,rgba(128,128,128,.22) 75%);background-size:16px 16px;background-position:0 0,0 8px,8px -8px,-8px 0;box-shadow:0 8px 32px #00000059}.preview-canvas{display:block;width:100%;height:100%;image-rendering:pixelated}.preview-overlay{position:absolute;inset:0;pointer-events:none}.preview-overlay.is-active{pointer-events:auto}.stage-status{padding:0 14px;height:0;overflow:hidden;font-size:12.5px;color:var(--text-dim);transition:height .12s}.stage-status.is-visible{height:28px;line-height:28px}.stage-status[data-tone=error]{color:var(--warn)}.crop-root{position:absolute;inset:0;cursor:crosshair;touch-action:none}.crop-shade-clip{position:absolute;inset:0;overflow:hidden;pointer-events:none}.crop-shade{position:absolute;box-shadow:0 0 0 9999px #0000008c}.crop-rect{position:absolute;outline:1px solid rgba(255,255,255,.95);cursor:move}.crop-grid{position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(to right,transparent calc(33.333% - .5px),rgba(255,255,255,.35) calc(33.333% - .5px),rgba(255,255,255,.35) calc(33.333% + .5px),transparent calc(33.333% + .5px),transparent calc(66.666% - 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7px);cursor:ew-resize}.crop-se{right:-7px;bottom:-7px;cursor:nwse-resize}.crop-s{left:calc(50% - 7px);bottom:-7px;cursor:ns-resize}.crop-sw{left:-7px;bottom:-7px;cursor:nesw-resize}.crop-w{left:-7px;top:calc(50% - 7px);cursor:ew-resize}.panel{display:flex;flex-direction:column;min-height:0;overflow-y:auto;border-left:1px solid var(--border);background:var(--bg-raised)}.panel-head{padding:16px 16px 10px;border-bottom:1px solid var(--border)}.panel-title{display:flex;align-items:center;gap:9px}.panel-title svg{color:var(--accent)}.panel-title h2{margin:0;font-size:16px;letter-spacing:-.01em}.panel-about{margin:6px 0 0;font-size:12.5px;color:var(--text-dim)}.control-list,.export-panel{padding:4px 16px 16px}.export-panel{border-top:1px solid var(--border);margin-top:auto}.ctl-section{margin:18px 0 8px}.ctl-section:first-child{margin-top:12px}.ctl-section h3{margin:0;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--text-faint)}.ctl-row{display:grid;gap:5px;margin:11px 0}.ctl-label{display:flex;align-items:baseline;justify-content:space-between;gap:8px;font-size:13px}.ctl-label.is-resettable{cursor:pointer;user-select:none}.ctl-value{font-family:var(--mono);font-size:11.5px;color:var(--text-faint);font-variant-numeric:tabular-nums}.ctl-row.is-modified .ctl-value{color:var(--accent)}.ctl-hint{margin:2px 0 0;font-size:11.5px;line-height:1.45;color:var(--text-faint)}.ctl-note{margin:10px 0;padding:9px 11px;border-radius:var(--radius-sm);background:var(--bg-sunken);font-size:12px;line-height:1.5;color:var(--text-dim)}.ctl-note.is-warn{background:#f0a44a1a;color:var(--warn)}.ctl-range{-webkit-appearance:none;appearance:none;width:100%;height:20px;background:transparent;cursor:pointer}.ctl-range::-webkit-slider-runnable-track{height:4px;border-radius:2px;background:var(--border-strong)}.ctl-range::-webkit-slider-thumb{-webkit-appearance:none;margin-top:-6px;width:16px;height:16px;border-radius:50%;background:var(--accent);border:2px solid var(--bg-raised)}.ctl-range::-moz-range-track{height:4px;border-radius:2px;background:var(--border-strong)}.ctl-range::-moz-range-thumb{width:14px;height:14px;border-radius:50%;background:var(--accent);border:2px solid var(--bg-raised)}.ctl-select,.ctl-number{width:100%;padding:7px 9px;border:1px solid var(--border-strong);border-radius:var(--radius-sm);background:var(--bg-sunken);color:var(--text);font:inherit;font-size:13px}.ctl-select:focus,.ctl-number:focus{outline:2px solid var(--accent);outline-offset:-1px}.ctl-toggle{display:flex;align-items:flex-start;gap:9px;margin:11px 0;cursor:pointer}.ctl-checkbox{margin:2px 0 0;accent-color:var(--accent);width:15px;height:15px}.ctl-toggle-label{display:block;font-size:13px}.ctl-toggle .ctl-hint{display:block}.ctl-segmented{display:flex;gap:2px;padding:2px;background:var(--bg-sunken);border-radius:var(--radius-sm)}.seg{flex:1;padding:6px 8px;border:0;border-radius:5px;background:transparent;color:var(--text-dim);font:inherit;font-size:12.5px;cursor:pointer}.seg.is-active{background:var(--accent-soft);color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}.ctl-chips{display:flex;flex-wrap:wrap;gap:5px}.chip{padding:5px 9px;border:1px solid var(--border-strong);border-radius:999px;background:transparent;color:var(--text-dim);font:inherit;font-size:12px;cursor:pointer}.chip:hover{color:var(--text);border-color:var(--accent)}.chip.is-active{background:var(--accent-soft);border-color:var(--accent);color:var(--accent)}.ctl-actions{display:flex;flex-wrap:wrap;gap:6px;margin:12px 0}.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:11px 0}.ctl-field{display:grid;gap:4px}.ctl-field-label{font-size:11.5px;color:var(--text-faint)}.ctl-field-input{position:relative;display:flex;align-items:center}.ctl-suffix{position:absolute;right:9px;font-family:var(--mono);font-size:11px;color:var(--text-faint);pointer-events:none}.ctl-field-input .ctl-number{padding-right:30px}.ctl-color{width:44px;height:30px;padding:2px;border:1px solid var(--border-strong);border-radius:var(--radius-sm);background:var(--bg-sunken);cursor:pointer}.histogram{width:100%;height:72px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-sunken)}.swatches{display:flex;flex-wrap:wrap;gap:3px}.swatch{width:22px;height:22px;border-radius:4px;box-shadow:inset 0 0 0 1px #80808080}.support-list{list-style:none;margin:0;padding:0;display:grid;gap:4px}.support-row{display:flex;justify-content:space-between;gap:10px;padding:6px 9px;border-radius:var(--radius-sm);background:var(--bg-sunken);font-size:12.5px}.support-name{font-weight:600}.support-state{font-family:var(--mono);font-size:11.5px;color:var(--text-faint)}.support-state.is-yes{color:var(--ok)}.support-state.is-no{color:var(--warn)}.compare-results{display:grid;gap:4px;margin:8px 0}.compare-row{display:grid;grid-template-columns:1fr auto auto;gap:10px;padding:6px 9px;border-radius:var(--radius-sm);background:var(--bg-sunken);font-size:12.5px}.compare-row.is-best{box-shadow:inset 0 0 0 1px var(--ok)}.compare-size,.compare-rel{font-family:var(--mono);font-size:11.5px;color:var(--text-dim)}.compare-rel{color:var(--text-faint)}.export-actions{margin:14px 0 8px}.export-actions .btn{width:100%;justify-content:center}.export-result{font-size:12px;color:var(--text-dim);word-break:break-all}.export-privacy{display:flex;align-items:flex-start;gap:7px;margin:14px 0 0;font-size:11.5px;line-height:1.45;color:var(--text-faint)}.export-privacy svg{flex:0 0 auto;margin-top:2px;color:var(--ok)}.app-status{height:0;overflow:hidden;padding:0 16px;font-size:12.5px;background:var(--bg-raised);border-top:1px solid transparent;transition:height .12s}.app-status.is-visible{height:32px;line-height:32px;border-top-color:var(--border)}.app-status[data-tone=error]{color:var(--warn)}.app-status[data-tone=info]{color:var(--text-dim)}