:root{--bg: #f4f5f7;--surface: #ffffff;--border: #dcdfe4;--text: #1c2024;--muted: #68707b;--primary: #1f6f4a;--primary-hover: #185a3c;--good: #1f6f4a;--good-bg: #e3f3ea;--warn: #8a5a00;--warn-bg: #fdf1d3;--bad: #b3261e;--bad-bg: #fbe4e2}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:14px/1.45 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}h1{font-size:17px;margin:0}h2{font-size:15px;margin:0 0 10px}p{margin:0 0 10px}code{background:var(--bg);border-radius:4px;padding:1px 4px}.topbar{display:flex;align-items:center;gap:24px;padding:10px 20px;background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:5}.topbar nav{display:flex;gap:4px;flex:1}.topbar nav button{border:none;background:none;padding:6px 12px;font-weight:500}.topbar nav button.active{background:var(--bg);color:var(--primary)}.store-picker{display:flex;align-items:center;gap:8px;color:var(--muted)}main{padding:16px 20px 40px}.narrow{max-width:760px;margin:0 auto}.card{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:16px;margin-bottom:16px}.layout{display:grid;grid-template-columns:300px minmax(0,1fr);gap:16px;align-items:start}@media(max-width:900px){.layout{grid-template-columns:1fr}}.toolbar,.preview-head,.detail-head{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:12px}.toolbar-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.preview-head h2{margin-bottom:2px}button,input,select{font:inherit;color:inherit}button{border:1px solid var(--border);background:var(--surface);border-radius:7px;padding:6px 12px;cursor:pointer}button:hover:not(:disabled){background:var(--bg)}button:disabled{opacity:.5;cursor:not-allowed}button.primary{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600}button.primary:hover:not(:disabled){background:var(--primary-hover)}button.danger{color:var(--bad)}input:not([type=checkbox]),select{width:100%;border:1px solid var(--border);border-radius:7px;padding:6px 8px;background:var(--surface)}.store-picker select{width:auto;min-width:180px}input:focus,select:focus,button:focus-visible{outline:2px solid var(--primary);outline-offset:1px}.form{display:grid;gap:10px}.form label{display:grid;gap:4px;font-size:13px;font-weight:500}.pair{display:grid;grid-template-columns:1fr 1fr;gap:10px}label.inline{display:flex;align-items:center;gap:6px}.muted{color:var(--muted)}.small{font-size:12.5px}.right{text-align:right}.nowrap{white-space:nowrap}.banner{border-radius:8px;padding:10px 14px;margin-bottom:14px}.banner.error{background:var(--bad-bg);color:var(--bad)}.banner.success{background:var(--good-bg);color:var(--good)}.banner.warn{background:var(--warn-bg);color:var(--warn)}.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:8px}.table-wrap.inner{max-height:420px;overflow-y:auto}table{width:100%;border-collapse:collapse}th,td{padding:7px 10px;text-align:left;border-bottom:1px solid var(--border);vertical-align:top}th.right,td.right{text-align:right;font-variant-numeric:tabular-nums}th{background:var(--bg);font-size:12.5px;font-weight:600;white-space:nowrap;position:sticky;top:0}tbody tr:last-child td{border-bottom:none}table.plain td{vertical-align:middle;padding-left:0}tr.dim td{opacity:.45}tr.detail>td{background:var(--bg);padding:12px}td.changed{font-weight:600}td.changed.down{color:var(--bad)}td.changed.up{color:var(--good)}td.empty{text-align:center;padding:28px}.tag{display:inline-block;border-radius:999px;padding:1px 8px;margin-right:6px;font-size:12px;background:var(--bg);white-space:nowrap}.tag.good{background:var(--good-bg);color:var(--good)}.tag.warn{background:var(--warn-bg);color:var(--warn)}.tag.bad{background:var(--bad-bg);color:var(--bad)}.bad-text{color:var(--bad)}.pager{display:flex;justify-content:center;align-items:center;gap:12px;margin-top:12px}.modal-backdrop{position:fixed;inset:0;background:#14181c73;display:grid;place-items:center;padding:16px;z-index:20}.modal{background:var(--surface);border-radius:12px;padding:20px;width:min(460px,100%)}.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:14px}progress{width:100%;height:10px;margin-bottom:10px;accent-color:var(--primary)}.editor{display:grid;grid-template-columns:minmax(280px,560px) minmax(300px,1fr);gap:16px;align-items:start}@media(max-width:1100px){.editor{grid-template-columns:1fr}}.stage{position:relative;background:#fff;border:1px solid var(--border);border-radius:10px;overflow:hidden;margin-bottom:8px}.stage canvas{display:block;width:100%;height:auto}.stage .box{position:absolute;border:1px dashed #8fb0f5;cursor:move;touch-action:none}.stage .box.active{border:2px solid #2563eb}.stage .handle{position:absolute;right:-6px;bottom:-6px;width:12px;height:12px;background:#2563eb;border-radius:2px;cursor:nwse-resize}.element-row{display:flex;align-items:center;gap:6px;padding:6px 8px;border-radius:6px;cursor:pointer}.element-row:hover{background:var(--bg)}.element-row.active{background:var(--good-bg)}.element-row .grow{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}button.small{padding:2px 7px}.add-row{margin-top:10px}.template-name{display:grid;gap:4px;flex:1;min-width:220px;font-size:13px;font-weight:500}.quad{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}.quad input{width:100%;min-width:0}.product-cell{display:flex;align-items:center;gap:10px}.product-cell 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