@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&display=swap');
:root{color-scheme:light;--bg:#f5f5f0;--panel:#fdfdf9;--ink:#242b24;--muted:#858a80;--line:#e5e7df;--accent:#53764b;--soft:#e9efe2;font-family:'DM Sans','PingFang SC','Microsoft YaHei',sans-serif;color:var(--ink);background:var(--bg)}
*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,a,input,select{ -webkit-tap-highlight-color:transparent}button{cursor:pointer;color:inherit}button{border:1px solid var(--line);background:transparent;border-radius:7px}button:hover{background:var(--soft)}button:disabled{opacity:.3;cursor:default}button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:4px}svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}button svg{vertical-align:middle}a{color:inherit;text-decoration:none}[hidden]{display:none!important}
.grain,.brand-kicker,.brand-copy>small,.brand-mark i,.meta-label,.meta-divider,.status-dot,.canvas-note,.ambient-glow,.style-index,.style-arrow,.source-upload-arrow,.recipe-presets-head,.view-tab>span,.stage-foot>span:last-child{display:none}
.topbar{height:76px;display:flex;align-items:center;justify-content:space-between;padding:0 30px;border-bottom:1px solid var(--line);background:var(--panel);gap:24px}.brand{display:flex;align-items:center;gap:12px}.brand-mark{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:var(--ink);color:var(--panel);font-size:12px;letter-spacing:-1px}.brand-copy strong{font-size:17px;letter-spacing:1.2px;font-weight:600}.file-meta{display:flex;gap:12px;font-size:11px;color:var(--muted);overflow:hidden;white-space:nowrap}.file-meta strong{font-weight:500;max-width:180px;overflow:hidden;text-overflow:ellipsis}.top-actions{display:flex;gap:12px;align-items:center}.open-button,.export-button{padding:10px 15px;font-size:12px;display:flex;align-items:center;gap:8px}.export-button{background:var(--ink);border-color:var(--ink);color:white}.export-button:hover{background:var(--accent)}.history-actions{display:flex;gap:4px}.icon-button{width:34px;height:34px;border:0}
.workspace{display:grid;grid-template-columns:236px minmax(0,1fr) 276px;height:calc(100dvh - 76px);min-height:520px}.panel{background:var(--panel);min-height:0}.style-panel{border-right:1px solid var(--line);display:flex;flex-direction:column;padding:24px 16px 0}.source-upload-card{padding:12px;display:flex;align-items:center;gap:10px;text-align:left;border-style:dashed;margin-bottom:25px}.source-upload-icon svg{width:22px;height:22px;color:var(--accent)}.source-upload-copy strong{font-size:12px;font-weight:500;display:block}.source-upload-copy small{font-size:10px;color:var(--muted);display:block;margin-top:5px}.library-label{display:flex;justify-content:space-between;font-size:12px;align-items:center;margin-bottom:14px}.library-label span:last-child{color:var(--muted);font-size:10px}.category-tabs{display:flex;gap:3px;margin-bottom:16px;padding:3px;background:#f0f1eb;border-radius:7px}.category-tabs button{flex:1;border:0;font-size:11px;padding:6px 0;border-radius:5px}.category-tabs button[aria-pressed=true]{background:white;box-shadow:0 1px 3px #0000000c}.style-list{overflow-y:auto;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px 10px;align-content:start;padding:2px 2px 20px;scrollbar-width:thin}.style-card{border:0;padding:0 0 7px;text-align:left;border-radius:6px;min-width:0}.style-thumb{display:block;overflow:hidden;border-radius:5px;border:2px solid transparent;padding:2px;line-height:0}.style-thumb canvas{display:block;width:100%;height:auto;border-radius:3px}.style-copy strong{font-size:10px;font-weight:500;display:block;margin:6px 4px 0}.style-copy small{display:none}.style-card.active{background:var(--soft)}.style-card.active .style-thumb{border-color:var(--accent)}.style-card.active strong{color:var(--accent)}.panel-note{margin-top:auto;border-top:1px solid var(--line);padding:16px 0;color:var(--muted);font-size:10px;line-height:1.8}.panel-note p{margin:0}.author-credit{display:inline-block;margin-top:5px}kbd{font-family:inherit;font-size:9px;background:#f0f1eb;padding:1px 3px;border-radius:3px}
.stage{min-width:0;min-height:0;display:flex;flex-direction:column;padding:24px 28px 16px;background:#efefea}.stage-head{display:flex;justify-content:space-between;align-items:center;gap:10px}.view-tabs{display:flex;gap:4px;background:#e5e7de;padding:3px;border-radius:7px}.view-tab{border:0;padding:7px 12px;font-size:11px}.view-tab.active{background:var(--panel);box-shadow:0 1px 3px #00000008}.zoom-control{display:flex;align-items:center;gap:4px;font-size:10px;color:#72786d}.zoom-control button{border:0;width:28px;height:28px}.zoom-control span{width:38px;text-align:center}.canvas-wrap{flex:1;min-height:0;overflow:auto;display:flex;align-items:safe center;justify-content:safe center;padding:32px 10px;scrollbar-width:thin}.canvas-frame{position:relative;flex-shrink:0;width:min(100%,calc(100dvh - 240px));line-height:0;box-shadow:0 8px 26px #27302312;transition:scale .18s ease;background:repeating-conic-gradient(#eee 0% 25%,#fff 0% 50%) 0/16px 16px}.canvas-frame>canvas{display:block;width:100%;height:auto}.compare-layer{position:absolute;inset:0;right:auto;width:50%;overflow:hidden}.compare-layer canvas{height:100%;width:auto;max-width:none}.compare-layer[aria-hidden=true],.compare-line[aria-hidden=true]{display:none}.compare-line{position:absolute;top:0;bottom:0;left:50%;width:2px;background:white;cursor:ew-resize;touch-action:none;display:flex;align-items:center;justify-content:center;gap:12px;color:white;font-size:10px;text-shadow:0 1px 3px #000}.compare-line i{position:absolute;width:24px;height:38px;border-radius:12px;background:white;box-shadow:0 2px 8px #0003}.compare-line i:after{content:'↔';display:block;color:#444;line-height:38px;text-align:center}.compare-line span{margin:0 17px;white-space:nowrap}.processing{position:absolute;inset:0;background:#f5f5f0b8;display:grid;place-content:center;text-align:center;font-size:12px;line-height:1.5}.processing span{width:22px;height:22px;border:2px solid var(--line);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite;margin:auto}@keyframes spin{to{rotate:360deg}}.stage-foot{display:flex;justify-content:space-between;font-size:9px;letter-spacing:.5px;color:var(--muted);gap:12px}.dragging{outline:2px dashed var(--accent);outline-offset:-8px}
.control-panel{border-left:1px solid var(--line);padding:26px 22px;overflow-y:auto;scrollbar-width:thin}.panel-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:26px}.panel-heading p{font-size:10px;color:var(--muted);margin:0 0 7px}.panel-heading h2{font-size:17px;font-weight:500;margin:0}.reset-button{border:0;font-size:10px;color:var(--muted);padding:6px}.intensity-control{padding-bottom:24px}.intensity-control label{display:flex;justify-content:space-between;font-size:12px;margin-bottom:14px}.intensity-control label span{font-size:11px;color:var(--accent)}input[type=range]{appearance:none;width:100%;height:3px;border:0;background:linear-gradient(to right,var(--accent) var(--pct,100%),#e1e4da var(--pct,100%));border-radius:3px;cursor:pointer;margin:8px 0;accent-color:var(--accent)}input[type=range]::-webkit-slider-thumb{appearance:none;width:12px;height:12px;background:var(--panel);border:2px solid var(--accent);border-radius:50%}input[type=range]:disabled{opacity:.35;cursor:default}summary{cursor:pointer;list-style:none;font-size:12px;padding:18px 0;display:flex;justify-content:space-between}summary::-webkit-details-marker{display:none}summary:after{content:'+';color:var(--muted)}details[open]>summary:after{content:'−'}details{border-top:1px solid var(--line)}.recipe-presets{margin-bottom:0}.recipe-buttons{display:flex;gap:6px;padding:0 0 18px}.recipe-buttons button{flex:1;padding:10px 3px;font-size:11px}.recipe-buttons button.active{border-color:var(--accent);background:var(--soft)}.recipe-buttons small{display:none}.recipe-buttons strong{font-weight:500}.group-hint{font-size:10px;color:var(--muted);line-height:1.7;margin:0 0 20px}.slider-row{display:grid;grid-template-columns:1fr auto;align-items:center;margin-bottom:20px;gap:8px}.slider-row label{font-size:11px}.slider-row output{font-size:10px;color:var(--muted);grid-column:2;grid-row:1}.slider-row input{grid-column:1/-1;grid-row:2}.quick-actions{display:flex;gap:8px;border-top:1px solid var(--line);padding-top:20px;margin-top:10px}.quick-actions button{flex:1;border:0;padding:7px;font-size:10px;display:flex;align-items:center;justify-content:center;gap:5px}.quick-actions svg{width:15px;height:15px}
.export-dialog{border:1px solid var(--line);border-radius:14px;padding:28px;width:min(480px,calc(100% - 32px));background:var(--panel);color:var(--ink);box-shadow:0 25px 80px #0002}.export-dialog::backdrop{background:#242b2450;backdrop-filter:blur(5px)}.dialog-top{display:flex;justify-content:space-between;font-size:10px;color:var(--muted);align-items:center}.dialog-top button{border:0;font-size:23px}.export-dialog h2{font-size:22px;font-weight:500}.export-dialog p{font-size:12px;color:var(--muted);line-height:1.8}.export-preview{background:var(--bg);padding:16px;display:flex;flex-direction:column;align-items:center;gap:12px}.export-preview canvas{max-width:100%;object-fit:contain}.export-preview span{font-size:10px;color:var(--muted)}.export-options{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:22px 0}.export-options label{font-size:11px;display:flex;flex-direction:column;gap:8px}.export-options select{padding:9px;border:1px solid var(--line);border-radius:6px;background:var(--panel);width:100%}.quality-field{grid-column:1/-1}.download-button{background:var(--ink);color:white;width:100%;padding:13px;display:flex;justify-content:space-between;align-items:center}.download-button:hover{background:var(--accent)}.download-button small{opacity:.6}.toast{position:fixed;bottom:24px;left:50%;translate:-50% 12px;opacity:0;pointer-events:none;background:var(--ink);color:white;padding:12px 20px;border-radius:8px;font-size:12px;transition:.2s;z-index:10}.toast.show{opacity:1;translate:-50% 0}
@media(min-width:1600px){.workspace{grid-template-columns:260px minmax(0,1fr) 300px}.style-list{gap:18px 12px}.control-panel{padding:30px}}
@media(max-width:1100px){.workspace{grid-template-columns:200px minmax(0,1fr) 244px}.topbar{padding:0 20px}.file-meta{display:none}.stage{padding:20px 16px}.control-panel{padding:24px 16px}.style-panel{padding:20px 12px 0}}
@media(max-width:760px){.topbar{height:64px;padding:0 16px;gap:10px}.brand-copy strong{font-size:12px;letter-spacing:.5px}.brand-mark{width:28px;height:28px}.top-actions{gap:5px}.history-actions{display:none}.open-button,.export-button{padding:8px 10px;font-size:11px}.open-button svg{display:none}.workspace{height:auto;min-height:0;grid-template-columns:1fr}.stage{grid-row:1;height:60dvh;min-height:350px;padding:16px}.canvas-wrap{padding:20px 8px}.canvas-frame{width:min(100%,calc(60dvh - 112px));max-width:100%}.style-panel{grid-row:2;border:0;border-top:1px solid var(--line);padding:20px 16px}.source-upload-card,.panel-note{display:none}.style-list{display:flex;overflow-x:auto;overflow-y:hidden;gap:12px;padding-bottom:16px}.style-card{flex:0 0 88px}.library-label{margin-bottom:12px}.category-tabs{width:260px}.control-panel{grid-row:3;border:0;border-top:1px solid var(--line);padding:24px}.panel-heading{margin-bottom:20px}.stage-foot{font-size:8px}.brand{gap:7px}.intensity-control{max-width:100%}}
.panel{min-width:0}.canvas-frame{width:min(100%,calc((100dvh - 240px) * var(--image-aspect,1)))}
@media(max-width:760px){.canvas-frame{width:min(100%,calc((60dvh - 112px) * var(--image-aspect,1)))}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}}