#imageGrayscaleTool[data-astro-cid-jfpu3trg]{--split-pos: 50%;--src-aspect: 16/9}.share-banner[data-astro-cid-jfpu3trg]{background:var(--color-primary-light);color:var(--color-primary);padding:10px 14px;border-radius:var(--radius-sm);border:1px solid var(--color-primary);font-size:13px}.upload-zone[data-astro-cid-jfpu3trg]{border:2px dashed var(--color-border);border-radius:var(--radius-sm);padding:32px 16px;text-align:center;cursor:pointer;transition:border-color .2s,background-color .2s;background:var(--color-surface)}.upload-zone[data-astro-cid-jfpu3trg]:hover,.upload-zone[data-astro-cid-jfpu3trg].dragover{border-color:var(--color-primary);background:var(--color-primary-light)}.upload-zone[data-astro-cid-jfpu3trg]:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.upload-emoji[data-astro-cid-jfpu3trg]{display:block;font-size:32px;margin-bottom:8px}.upload-title[data-astro-cid-jfpu3trg]{margin:0;font-weight:600}.upload-hint[data-astro-cid-jfpu3trg]{font-size:12px;color:var(--color-text-secondary);margin-top:4px}.source-bar[data-astro-cid-jfpu3trg]{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px;padding:10px 12px;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface)}.source-info[data-astro-cid-jfpu3trg]{margin:0;font-size:13px;color:var(--color-text-secondary)}.source-actions[data-astro-cid-jfpu3trg]{display:flex;gap:6px}.src-btn[data-astro-cid-jfpu3trg]{padding:4px 12px;min-height:32px;font-size:13px}.preset-row[data-astro-cid-jfpu3trg]{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:8px}.preset-chip[data-astro-cid-jfpu3trg]{display:flex;align-items:center;gap:6px;padding:10px 12px;font-size:13px;text-align:left;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface);color:var(--color-text);cursor:pointer;transition:border-color .15s,background-color .15s}.preset-chip[data-astro-cid-jfpu3trg]:hover{border-color:var(--color-primary);background:var(--color-primary-light)}.preset-chip[data-astro-cid-jfpu3trg].active{border-color:var(--color-primary);background:var(--color-primary-light);color:var(--color-primary);font-weight:600}.preset-chip[data-astro-cid-jfpu3trg] span[data-astro-cid-jfpu3trg]{flex:1;min-width:0}.algo-tabs[data-astro-cid-jfpu3trg],.algo-tabs-adv[data-astro-cid-jfpu3trg]{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:6px;border:none;padding:0}.algo-tabs[data-astro-cid-jfpu3trg] input[data-astro-cid-jfpu3trg][type=radio],.algo-tabs-adv[data-astro-cid-jfpu3trg] input[data-astro-cid-jfpu3trg][type=radio]{position:absolute;opacity:0;width:0;height:0;pointer-events:none}.algo-tabs[data-astro-cid-jfpu3trg] label[data-astro-cid-jfpu3trg],.algo-tabs-adv[data-astro-cid-jfpu3trg] label[data-astro-cid-jfpu3trg]{display:flex;align-items:center;justify-content:center;gap:4px;padding:8px 10px;font-size:13px;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface);color:var(--color-text);cursor:pointer;text-align:center;min-height:36px}.algo-tabs[data-astro-cid-jfpu3trg] label[data-astro-cid-jfpu3trg]:hover,.algo-tabs-adv[data-astro-cid-jfpu3trg] label[data-astro-cid-jfpu3trg]:hover{border-color:var(--color-primary);background:var(--color-primary-light)}.algo-tabs[data-astro-cid-jfpu3trg] input[data-astro-cid-jfpu3trg]:checked+label[data-astro-cid-jfpu3trg],.algo-tabs-adv[data-astro-cid-jfpu3trg] input[data-astro-cid-jfpu3trg]:checked+label[data-astro-cid-jfpu3trg]{border-color:var(--color-primary);background:var(--color-primary-light);color:var(--color-primary);font-weight:600}.algo-tabs[data-astro-cid-jfpu3trg] .kbd-tag[data-astro-cid-jfpu3trg],.algo-tabs-adv[data-astro-cid-jfpu3trg] .kbd-tag[data-astro-cid-jfpu3trg]{font-size:10px;padding:1px 4px;background:var(--color-border);color:var(--color-text-secondary);border-radius:3px;border:none}.algo-tabs[data-astro-cid-jfpu3trg] input[data-astro-cid-jfpu3trg]:checked+label[data-astro-cid-jfpu3trg] .kbd-tag[data-astro-cid-jfpu3trg]{background:var(--color-primary);color:var(--color-on-primary, #fff)}.advanced-details[data-astro-cid-jfpu3trg],.post-details[data-astro-cid-jfpu3trg],.help-details[data-astro-cid-jfpu3trg]{border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:8px 12px;background:var(--color-surface)}.advanced-summary[data-astro-cid-jfpu3trg],.post-summary[data-astro-cid-jfpu3trg],.help-details[data-astro-cid-jfpu3trg] summary[data-astro-cid-jfpu3trg]{cursor:pointer;font-weight:600;font-size:14px;padding:4px 0;user-select:none}.algo-param-panel[data-astro-cid-jfpu3trg]{border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:12px;background:var(--color-surface)}.slider-row[data-astro-cid-jfpu3trg]{display:flex;align-items:center;gap:8px;margin-bottom:6px}.slider-row[data-astro-cid-jfpu3trg] input[data-astro-cid-jfpu3trg][type=range]{flex:1;min-width:0}.small-num[data-astro-cid-jfpu3trg]{flex:0 0 72px;padding:4px 8px;font-size:14px;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface);color:var(--color-text)}.weight-swatch[data-astro-cid-jfpu3trg]{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:4px;font-size:12px;font-weight:700;color:#fff;flex-shrink:0}.weight-swatch[data-astro-cid-jfpu3trg].r{background:#ef4444}.weight-swatch[data-astro-cid-jfpu3trg].g{background:#22c55e}.weight-swatch[data-astro-cid-jfpu3trg].b{background:#3b82f6}.duotone-row[data-astro-cid-jfpu3trg]{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.duo-color[data-astro-cid-jfpu3trg]{display:flex;align-items:center;gap:6px;font-size:13px}.duo-color[data-astro-cid-jfpu3trg] input[data-astro-cid-jfpu3trg][type=color]{width:44px;height:44px;border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:2px;cursor:pointer;background:none}.duo-arrow[data-astro-cid-jfpu3trg]{color:var(--color-text-secondary);font-weight:700}.duo-presets[data-astro-cid-jfpu3trg]{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}.duo-preset-chip[data-astro-cid-jfpu3trg]{padding:4px 10px;font-size:12px;border:1px solid var(--color-border);border-radius:999px;background:var(--color-surface);color:var(--color-text);cursor:pointer}.duo-preset-chip[data-astro-cid-jfpu3trg]:hover{border-color:var(--color-primary);color:var(--color-primary)}.preview-mode-switch[data-astro-cid-jfpu3trg]{display:flex;gap:4px;padding:4px;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface);width:100%}.preview-mode-switch[data-astro-cid-jfpu3trg] .mode-btn[data-astro-cid-jfpu3trg]{flex:1;padding:8px 12px;font-size:13px;border:none;background:transparent;color:var(--color-text);border-radius:6px;cursor:pointer;min-height:40px}.preview-mode-switch[data-astro-cid-jfpu3trg] .mode-btn[data-astro-cid-jfpu3trg].active{background:var(--color-primary);color:var(--color-on-primary, #fff);font-weight:600}.split-view[data-astro-cid-jfpu3trg]{position:relative;width:100%;aspect-ratio:var(--src-aspect);max-height:min(70vh,620px);overflow:hidden;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:repeating-conic-gradient(#e5e7eb 0 25%,#f9fafb 0 50%) 0 0 / 16px 16px;touch-action:none;user-select:none;-webkit-user-select:none}.split-img[data-astro-cid-jfpu3trg]{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;pointer-events:none}.split-after[data-astro-cid-jfpu3trg]{clip-path:inset(0 calc(100% - var(--split-pos)) 0 0)}.split-label[data-astro-cid-jfpu3trg]{position:absolute;top:8px;padding:3px 10px;background:#000000a6;color:#fff;font-size:11px;font-weight:600;border-radius:999px;pointer-events:none;z-index:3}.split-label[data-astro-cid-jfpu3trg].before{left:8px}.split-label[data-astro-cid-jfpu3trg].after{right:8px}.split-handle[data-astro-cid-jfpu3trg]{position:absolute;top:0;bottom:0;left:var(--split-pos);width:44px;transform:translate(-50%);cursor:ew-resize;display:flex;align-items:center;justify-content:center;z-index:4}.split-handle-line[data-astro-cid-jfpu3trg]{position:absolute;top:0;bottom:0;left:50%;width:2px;background:var(--color-primary);transform:translate(-50%);box-shadow:0 0 0 1px #fff9}.split-handle-grip[data-astro-cid-jfpu3trg]{position:relative;width:40px;height:40px;border-radius:50%;background:var(--color-primary);color:var(--color-on-primary, #fff);display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;box-shadow:0 2px 8px #0000004d;pointer-events:none}.split-handle[data-astro-cid-jfpu3trg]:focus-visible{outline:none}.split-handle[data-astro-cid-jfpu3trg]:focus-visible .split-handle-grip[data-astro-cid-jfpu3trg]{box-shadow:0 0 0 3px var(--color-focus-ring),0 2px 8px #0000004d}.split-hint[data-astro-cid-jfpu3trg]{font-size:12px}.compare-view[data-astro-cid-jfpu3trg]{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:8px}.compare-cell[data-astro-cid-jfpu3trg]{position:relative;border:2px solid var(--color-border);border-radius:var(--radius-sm);overflow:hidden;cursor:pointer;background:#f3f4f6;aspect-ratio:var(--src-aspect);padding:0;transition:border-color .15s,transform .1s;min-height:100px}.compare-cell[data-astro-cid-jfpu3trg]:hover{border-color:var(--color-primary);transform:translateY(-1px)}.compare-cell[data-astro-cid-jfpu3trg].selected{border-color:var(--color-primary);box-shadow:0 0 0 2px var(--color-primary-light)}.compare-cell[data-astro-cid-jfpu3trg] canvas[data-astro-cid-jfpu3trg]{width:100%;height:100%;display:block}.cell-label[data-astro-cid-jfpu3trg]{position:absolute;bottom:4px;left:4px;right:4px;background:#000000ad;color:#fff;font-size:11px;font-weight:600;padding:3px 6px;border-radius:3px;text-align:center;pointer-events:none;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.compare-cell[data-astro-cid-jfpu3trg].loading:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.5),transparent);animation:compareShimmer 1.2s infinite}@keyframes compareShimmer{0%{transform:translate(-100%)}to{transform:translate(100%)}}.dirty-banner[data-astro-cid-jfpu3trg]{color:var(--color-danger);font-weight:600;padding:8px 12px;background:#ef444414;border:1px solid var(--color-danger);border-radius:var(--radius-sm)}.help-list[data-astro-cid-jfpu3trg]{margin:8px 0 0;padding-left:20px;font-size:13px}.help-list[data-astro-cid-jfpu3trg] li[data-astro-cid-jfpu3trg]{margin:4px 0}.kbd-tag[data-astro-cid-jfpu3trg]{display:inline-block;padding:2px 6px;font-family:var(--font-mono, ui-monospace, SFMono-Regular, Menlo, monospace);font-size:11px;background:var(--color-border);color:var(--color-text-secondary);border-radius:3px;line-height:1;border:none}[data-astro-cid-jfpu3trg][data-theme=dark] #imageGrayscaleTool[data-astro-cid-jfpu3trg] .split-view[data-astro-cid-jfpu3trg]{background:repeating-conic-gradient(#2a2a2d 0 25%,#3a3a3d 0 50%) 0 0 / 16px 16px}[data-astro-cid-jfpu3trg][data-theme=dark] #imageGrayscaleTool[data-astro-cid-jfpu3trg] .compare-cell[data-astro-cid-jfpu3trg]{background:#2a2a2d}[data-astro-cid-jfpu3trg][data-theme=dark] #imageGrayscaleTool[data-astro-cid-jfpu3trg] .dirty-banner[data-astro-cid-jfpu3trg]{background:#f871711f}[data-astro-cid-jfpu3trg][data-theme=dark] #imageGrayscaleTool[data-astro-cid-jfpu3trg] .split-handle-line[data-astro-cid-jfpu3trg]{box-shadow:0 0 0 1px #0009}@media(max-width:640px){.upload-zone[data-astro-cid-jfpu3trg]{padding:24px 12px}.split-handle-grip[data-astro-cid-jfpu3trg]{width:44px;height:44px}.source-bar[data-astro-cid-jfpu3trg]{flex-direction:column;align-items:flex-start}.preset-row[data-astro-cid-jfpu3trg],.algo-tabs[data-astro-cid-jfpu3trg],.algo-tabs-adv[data-astro-cid-jfpu3trg]{grid-template-columns:repeat(2,1fr)}.compare-view[data-astro-cid-jfpu3trg]{grid-template-columns:repeat(auto-fill,minmax(110px,1fr))}}