:root{--bg: #131316;--bg2: #1b1b20;--bg3: #232329;--line: #2e2e36;--text: #e9e9ee;--muted: #9a9aa5;--accent: #ff9a2a;--accent2: #ffb35c}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{font-family:system-ui,-apple-system,Segoe UI,sans-serif;background:var(--bg);color:var(--text);font-size:13px}.app{display:flex;flex-direction:column;height:100%}.topbar{display:flex;align-items:center;gap:12px;padding:0 16px;height:52px;border-bottom:1px solid var(--line);background:var(--bg2)}.topbar h1{font-size:16px;letter-spacing:.5px;margin-right:auto}.topbar h1 span{color:var(--accent)}.topbar h1 small{font-size:11px;font-weight:500;letter-spacing:.6px;color:var(--muted)}.topbar-actions{display:flex;gap:8px}.btn{background:var(--bg3);color:var(--text);border:1px solid var(--line);border-radius:8px;padding:8px 14px;cursor:pointer;font-size:13px}.btn:hover{border-color:var(--accent)}.btn:disabled{opacity:.45;cursor:not-allowed}.btn.primary{background:var(--accent);border-color:var(--accent);color:#1a1206;font-weight:600}.btn.primary:hover{background:var(--accent2)}.btn.tiny{padding:3px 8px;font-size:11px;border-radius:6px}.body{flex:1;display:grid;grid-template-columns:1fr 340px;min-height:0}.left{display:flex;flex-direction:column;min-width:0;min-height:0}.preview{flex:1;position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:16px;min-height:0}.preview.dragover{outline:2px dashed var(--accent);outline-offset:-8px}.empty{text-align:center;color:var(--muted)}.empty p{font-size:18px}.empty .sub{font-size:13px;margin-top:8px}.canvas-stack{position:relative;max-width:100%;max-height:calc(100% - 40px);flex:1;display:flex;align-items:center;justify-content:center;min-height:0;width:100%;overflow:hidden;touch-action:none}.canvas-stack.zoomable{cursor:grab}.canvas-stack.panning{cursor:grabbing}.zoom-frame{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}.canvas-stack.split{gap:8px;align-items:stretch}.canvas-stack.split.split-row{flex-direction:row}.canvas-stack.split.split-col{flex-direction:column}.split-cell{position:relative;flex:1 1 0;min-width:0;min-height:0;overflow:hidden}.canvas-stack.split canvas{position:static;max-width:100%;max-height:100%;border-radius:4px}.cell-label{position:absolute;top:6px;left:8px;z-index:3;padding:3px 9px;border-radius:999px;background:#0009;color:#fff;font-size:10.5px;font-weight:800;letter-spacing:1.2px;pointer-events:none}.canvas-stack #after-canvas{max-width:100%;max-height:100%;border-radius:4px}.canvas-stack canvas.before-layer{position:absolute;pointer-events:none;border-radius:4px}.divider{position:absolute;width:2px;background:var(--accent);pointer-events:none;opacity:.85}.minimap{position:absolute;right:10px;bottom:10px;border:1px solid var(--line);border-radius:4px;overflow:hidden;background:var(--bg);box-shadow:0 2px 10px #00000073;cursor:crosshair;line-height:0}.minimap canvas{display:block;opacity:.85}.minimap-view{position:absolute;border:1.5px solid var(--accent);background:#ffffff1a;pointer-events:none}.hidden{display:none}.processing-placeholder{color:var(--muted);font-size:15px;padding:60px}.spinner{position:absolute;top:10px;right:10px;width:14px;height:14px;border:2px solid var(--muted);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.preview-footer{display:flex;align-items:center;gap:16px;padding-top:10px;width:100%;justify-content:center}.compare-label{display:flex;align-items:center;gap:8px;color:var(--muted)}.compare-label input{width:220px}.zoom-label{display:flex;align-items:center;gap:6px;color:var(--muted);cursor:pointer}.zoom-label input{width:120px}.zoom-pct{font-variant-numeric:tabular-nums;min-width:42px}.meta{color:var(--muted);font-variant-numeric:tabular-nums}.thumbstrip{display:flex;gap:8px;padding:10px 16px;border-top:1px solid var(--line);background:var(--bg2);overflow-x:auto;min-height:104px}.thumb{position:relative;width:112px;flex:0 0 auto;cursor:pointer;border:2px solid transparent;border-radius:8px;overflow:hidden;background:var(--bg3)}.thumb.active{border-color:var(--accent)}.thumb img{width:100%;height:64px;object-fit:cover;display:block}.thumb-loading{height:64px;display:flex;align-items:center;justify-content:center;color:var(--muted)}.thumb-name{display:block;font-size:10px;color:var(--muted);padding:3px 6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.thumb-x{position:absolute;top:2px;right:2px;width:18px;height:18px;border-radius:50%;border:none;background:#0000008c;color:#fff;cursor:pointer;font-size:12px;line-height:1}.thumb-pin{position:absolute;top:2px;left:2px;width:18px;height:18px;border-radius:50%;border:none;background:#0000008c;cursor:pointer;font-size:10px;line-height:1;opacity:.45}.thumb-pin.on{opacity:1;background:var(--accent)}.export-size{background:var(--bg3);color:var(--text);border:1px solid var(--line);border-radius:8px;padding:8px 10px;font-size:12.5px}.export-overlay{position:fixed;inset:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:50}.export-box{background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:28px 40px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:14px}.spinner.big{position:static;width:26px;height:26px;border-width:3px}.toast{position:fixed;bottom:20px;left:50%;transform:translate(-50%);background:#3a2a12;border:1px solid var(--accent);color:var(--text);padding:10px 18px;border-radius:10px;z-index:60;max-width:80vw}@media(max-width:900px){.body{grid-template-columns:1fr;overflow-y:auto}.left{min-height:60vh}.right{border-left:none;border-top:1px solid var(--line)}.topbar{flex-wrap:wrap;height:auto;padding:8px 12px;gap:8px}.topbar h1{width:100%}}.right{border-left:1px solid var(--line);background:var(--bg2);overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:16px}.section-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.section-head h2{font-size:12px;text-transform:uppercase;letter-spacing:1px;color:var(--muted)}.hub-switch{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px;background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:4px}.hub-tab{flex:1 1 calc(50% - 3px);min-width:0;padding:8px 6px;border:none;border-radius:7px;background:transparent;color:var(--muted);font-weight:700;font-size:12.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;cursor:pointer}.hub-tab.active{background:var(--accent);color:#1a1206}.hub-hint{margin:0 0 10px;padding:10px 12px;border:1px dashed var(--line);border-radius:8px;font-size:12.5px;line-height:1.5;color:var(--muted)}.hub-hint b{color:var(--text)}.section-toggle{display:flex;align-items:center;gap:6px;background:none;border:none;padding:0;cursor:pointer}.section-title{font-size:12px;text-transform:uppercase;letter-spacing:1px;color:var(--muted);font-weight:700}.preset-family+.preset-family{margin-top:6px}.preset-family .group-head{padding:7px 10px;font-size:12px}.preset-family .group-body{padding:8px}.fam-count{color:var(--muted);font-weight:400}.preset-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.preset-card{text-align:left;padding:7px 8px;background:var(--bg3);border:1px solid var(--line);border-radius:8px;cursor:pointer;color:var(--text)}.preset-card:hover{border-color:var(--accent2)}.preset-card.active{border-color:var(--accent);background:#2a2118}.preset-brand{display:block;font-weight:700;font-size:12px}.preset-name{display:block;font-size:10px;color:var(--muted);margin-top:2px}.group{border:1px solid var(--line);border-radius:8px;overflow:hidden}.group+.group{margin-top:8px}.group-head{width:100%;display:flex;justify-content:space-between;align-items:center;padding:9px 12px;background:var(--bg3);border:none;color:var(--text);cursor:pointer;font-size:12.5px;font-weight:600}.group-body{padding:10px 12px;display:flex;flex-direction:column;gap:10px}.ctl label{display:flex;justify-content:space-between;align-items:center;gap:8px;color:var(--text);font-size:12px;margin-bottom:4px}.ctl .val{color:var(--accent);font-variant-numeric:tabular-nums}.ctl input[type=range]{width:100%;accent-color:var(--accent)}.ctl select,.ctl input[type=number],.ctl input[type=text]{background:var(--bg);color:var(--text);border:1px solid var(--line);border-radius:6px;padding:5px 8px;font-size:12px;width:100%}.ctl-toggle label{justify-content:flex-start;cursor:pointer}.ctl-toggle input{accent-color:var(--accent)}.ctl-row{display:flex;gap:8px;align-items:center}.ctl-color input[type=color]{width:48px;height:28px;border:1px solid var(--line);border-radius:6px;background:var(--bg);padding:2px}.matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:4px}.matrix input{background:var(--bg);color:var(--text);border:1px solid var(--line);border-radius:4px;padding:4px;font-size:11px;width:100%}.chev{color:var(--muted)}