:root{--ink:#14231f;--muted:#64736e;--line:#dce5e1;--soft:#f4f8f6;--green:#0c9a68;--green-dark:#087650;--danger:#d04b4b;--blue:#3977d5;--shadow:0 12px 34px rgba(24,55,43,.12);font-family:Inter,"Segoe UI",Arial,sans-serif;color:var(--ink);background:#edf3f0}*{box-sizing:border-box}body{margin:0;min-width:1120px;overflow:hidden}button,input,select{font:inherit}button{color:inherit}.app-header{height:68px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 18px;gap:18px;position:relative;z-index:20}.logo{width:94px;display:flex;align-items:center}.logo img{width:82px;height:auto}.project-title{border-left:1px solid var(--line);padding-left:18px;display:flex;flex-direction:column;gap:2px;min-width:260px}.project-title span{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}.project-title span b{color:var(--green)}.project-title input{border:0;padding:0;font-size:17px;font-weight:700;outline:0;background:transparent}.header-actions{margin-left:auto;display:flex;align-items:center;gap:8px}.button,.icon-button,.round-button,.tool,.inspector-actions button,.section-title button{border:1px solid var(--line);background:#fff;border-radius:9px;padding:9px 14px;font-weight:700;cursor:pointer;transition:.15s}.button:hover,.icon-button:hover,.tool:hover,.inspector-actions button:hover{border-color:#9eb9ae;background:#f8fbfa}.button.primary{background:var(--green);border-color:var(--green);color:#fff}.button.primary:hover{background:var(--green-dark)}.button.secondary{background:#fff}.button.large{padding:13px 20px}.icon-button{width:38px;height:38px;padding:0;font-size:21px}.icon-button:disabled{opacity:.35;cursor:default}.export-trigger span{font-size:11px}.app-layout{height:calc(100vh - 68px);display:grid;grid-template-columns:276px minmax(570px,1fr) 300px}.panel{background:#fff;overflow:auto;position:relative;z-index:10}.catalog-panel{border-right:1px solid var(--line)}.inspector-panel{border-left:1px solid var(--line)}.panel-heading{padding:18px 16px 12px;display:flex;align-items:center;justify-content:space-between}.panel-heading h2{margin:2px 0 0;font-size:19px}.eyebrow{font-size:10px;text-transform:uppercase;letter-spacing:.12em;color:var(--green);font-weight:800}.round-button{border-radius:50%;width:34px;height:34px;padding:0;font-size:22px;color:var(--green)}.search{margin:0 14px 10px;border:1px solid var(--line);border-radius:9px;padding:8px 10px;display:flex;gap:7px;color:var(--muted)}.search input{border:0;outline:0;width:100%;background:transparent}.catalog-summary{display:flex;justify-content:space-between;padding:0 16px 10px;font-size:11px;color:var(--muted)}.catalog-list{padding:0 10px;display:grid;gap:5px}.catalog-item{border:1px solid transparent;border-radius:10px;padding:8px;display:grid;grid-template-columns:42px 1fr auto;gap:9px;align-items:center;cursor:grab;background:#fff}.catalog-item:hover{background:var(--soft);border-color:var(--line)}.catalog-item img,.catalog-thumb{width:42px;height:50px;object-fit:contain;background:#edf3f0;border-radius:6px}.catalog-copy{min-width:0}.catalog-copy b,.catalog-copy span{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.catalog-copy b{font-size:12px}.catalog-copy span{font-size:11px;color:var(--muted);margin-top:3px}.catalog-add{border:0;background:#e6f5ef;color:var(--green);border-radius:7px;width:28px;height:28px;font-weight:900;cursor:pointer}.panel-section{border-top:1px solid var(--line);margin-top:14px;padding:14px}.section-title{display:flex;align-items:center;justify-content:space-between}.section-title h3{font-size:13px;margin:0}.section-title button{font-size:11px;padding:6px 8px;color:var(--green)}.shelf-list{display:grid;gap:5px;margin-top:8px}.shelf-list button{border:0;background:transparent;text-align:left;border-radius:7px;padding:7px 8px;font-size:12px;display:flex;justify-content:space-between;cursor:pointer}.shelf-list button:hover,.shelf-list button.active{background:var(--soft);color:var(--green)}.photo-source{margin:2px 14px 16px;width:calc(100% - 28px);border:1px dashed #75b99f;background:#eff9f5;border-radius:11px;padding:12px;display:flex;text-align:left;gap:10px;cursor:pointer}.photo-source-icon{font-size:24px;color:var(--green)}.photo-source b,.photo-source small{display:block}.photo-source b{font-size:12px}.photo-source small{font-size:10px;color:var(--muted);margin-top:3px}.workspace-column{min-width:0;display:grid;grid-template-rows:50px minmax(0,1fr) 34px}.toolstrip{background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:6px 10px;gap:9px;position:relative;z-index:9}.tool-group{display:flex;align-items:center;border-right:1px solid var(--line);padding-right:9px;gap:3px}.tool{padding:7px 9px;border-color:transparent;background:transparent;font-size:16px}.tool span{font-size:11px;margin-left:4px}.tool.active{background:#e5f5ef;color:var(--green);border-color:#b8dfd0}.view-tools{border:0;margin-left:auto}.toggle{font-size:11px;color:var(--muted);display:flex;gap:4px;align-items:center}.toggle input{accent-color:var(--green)}#zoomSelect{border:1px solid var(--line);border-radius:7px;padding:6px;background:#fff;font-size:11px}.canvas-viewport{overflow:auto;position:relative;background-color:#e8efec;background-image:radial-gradient(#ccd8d3 1px,transparent 1px);background-size:18px 18px}.empty-state{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:30px}.empty-state h1{font-size:25px;margin:20px 0 8px}.empty-state p{max-width:530px;color:var(--muted);line-height:1.55;margin:0}.empty-visual{width:180px;height:110px;border:5px solid #91a79e;border-top-width:8px;border-radius:7px;position:relative;background:#f8fbfa;box-shadow:var(--shadow)}.empty-visual:before,.empty-visual:after{content:"";position:absolute;left:0;right:0;height:5px;background:#91a79e}.empty-visual:before{top:34px}.empty-visual:after{top:72px}.empty-visual span{position:absolute;bottom:5px;width:28px;border-radius:4px 4px 0 0;background:#27a879}.empty-visual span:nth-child(1){left:20px;height:26px}.empty-visual span:nth-child(2){left:58px;height:30px;background:#f1a641}.empty-visual span:nth-child(3){left:98px;height:24px;background:#4b82d3}.empty-actions{display:flex;gap:8px;align-items:center;margin-top:20px;flex-wrap:wrap;justify-content:center}.link-button{border:0;background:transparent;color:var(--green);cursor:pointer;text-decoration:underline}.canvas-scaler{width:1200px;height:760px;margin:36px;transform-origin:top left}.planogram-canvas{width:1200px;height:760px;background:#fff;position:relative;box-shadow:0 8px 40px rgba(20,45,36,.18);overflow:hidden;outline:0;border:1px solid #bdcbc5}.planogram-canvas.grid-on{background-image:linear-gradient(to right,rgba(34,92,68,.08) 1px,transparent 1px),linear-gradient(to bottom,rgba(34,92,68,.08) 1px,transparent 1px);background-size:10px 10px}.source-photo{position:absolute;inset:0;width:100%;height:100%;object-fit:fill;opacity:.24;pointer-events:none;user-select:none}.shelf-layer,.product-layer{position:absolute;inset:0}.shelf{position:absolute;height:16px;background:linear-gradient(#576861,#263b33);border-radius:2px;box-shadow:0 5px 8px rgba(20,35,29,.2);cursor:ns-resize}.shelf:after{content:"";position:absolute;left:5px;right:5px;top:-6px;height:6px;background:#7e8e87;border-radius:2px 2px 0 0}.shelf.selected{box-shadow:0 0 0 3px #49a9ff,0 5px 8px rgba(20,35,29,.2)}.shelf-label{position:absolute;right:4px;top:18px;font-size:10px;color:#50625b;background:rgba(255,255,255,.8);padding:2px 5px;border-radius:3px}.shelf-resizer{position:absolute;right:-5px;top:-4px;width:12px;height:22px;cursor:ew-resize;background:#35a478;border-radius:4px}.product-block{position:absolute;border:2px solid var(--product-color,#0c9a68);background:rgba(255,255,255,.9);border-radius:5px;cursor:move;user-select:none;overflow:visible;box-shadow:0 2px 5px rgba(18,43,33,.16)}.product-block.conflict{box-shadow:0 0 0 3px rgba(208,75,75,.38);border-color:var(--danger)}.product-block.selected{box-shadow:0 0 0 3px rgba(57,119,213,.35),0 3px 8px rgba(18,43,33,.22);border-color:var(--blue);z-index:5}.product-block img{width:100%;height:calc(100% - 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