:root{--primary-blue:#003d82;--primary-blue-dark:#002855;--accent-blue:#06c;--accent-blue-light:#39f;--bg-primary:#fff;--bg-secondary:#f5f7fa;--bg-tertiary:#e8ecf1;--text-primary:#1a1a1a;--text-secondary:#4a5568;--text-tertiary:#6b7280;--border-color:#d1d5db;--border-hover:#9ca3af;--card-bg:#fff;--shadow-sm:0 1px 3px rgba(0,0,0,.08);--shadow-md:0 4px 6px rgba(0,0,0,.1);--shadow-lg:0 10px 20px rgba(0,0,0,.12);--canvas-bg:#fafbfc;--success-green:#059669;--grid-light:#e5e7eb;--grid-dark:#9ca3af}[data-theme=dark]{--primary-blue:#39f;--primary-blue-dark:#06c;--accent-blue:#4bcf3e;--accent-blue-light:#9cf;--bg-primary:#1a1d23;--bg-secondary:#2a2e38;--bg-tertiary:#252830;--text-primary:#e5e7eb;--text-secondary:#9ca3af;--text-tertiary:#6b7280;--border-color:#374151;--border-hover:#4b5563;--card-bg:#1f2937;--shadow-sm:0 1px 3px rgba(0,0,0,.3);--shadow-md:0 4px 6px rgba(0,0,0,.4);--shadow-lg:0 10px 20px rgba(0,0,0,.5);--canvas-bg:#f8f9fa;--success-green:#10b981;--grid-light:#d1d5db;--grid-dark:#9ca3af}#custom-html-block *{box-sizing:border-box;margin:0;padding:0}#custom-html-block{background:var(--bg-secondary);color:var(--text-primary);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.6;min-height:100vh;transition:background-color .3s ease,color .3s ease}#custom-html-block .header{align-items:center;background-color:#1a1d23;border-radius:10px;box-shadow:0 0 5px #000;display:flex;height:250px;justify-content:center;max-width:100%;overflow:hidden;position:relative}#custom-html-block .header:before{background-image:url(https://cdn.shopify.com/s/files/1/2382/2899/files/DSC0710Concrete_d3bf5672-52be-4138-9c53-6829e87a1a26.jpg?v=1760364572);background-position:50%;background-size:cover;content:"";height:250px;left:0;opacity:.9;position:absolute;top:0;width:300px;z-index:1}#custom-html-block .header:after{background:linear-gradient(270deg,#1a1d23 50%,rgba(42,46,56,0));content:"";height:250px;left:0;pointer-events:none;position:absolute;top:0;width:100%;z-index:3}#custom-html-block .header-content{color:#fff;max-width:100%;padding:1.5rem;position:relative;text-align:center;width:100%;z-index:4}#custom-html-block .header-content img{height:210px;object-fit:contain;padding:20px}#custom-html-block .header-text h1{color:#e5e7eb;font-size:1.8rem;margin:0}#custom-html-block .header-text p{font-size:1rem;margin-top:.5rem;opacity:.85}#custom-html-block .section{background:var(--card-bg);border:1px solid var(--border-color);border-radius:12px;box-shadow:var(--shadow-sm);margin:24px 0;padding:24px;transition:all .3s ease}#custom-html-block .section-title{border-bottom:2px solid var(--border-color);color:var(--text-primary);font-size:20px;font-weight:700;margin-bottom:24px;padding-bottom:16px}#custom-html-block .instruction-box,#custom-html-block .instructions-box{background:linear-gradient(135deg,var(--border-color) 0,var(--bg-tertiary) 100%);border:2px solid var(--border-color);border-radius:12px;box-shadow:0 4px 12px rgba(0,0,0,.3);margin-bottom:24px;padding:20px}#custom-html-block .instruction-box h3,#custom-html-block .instructions-box h3{color:var(--text-primary);font-size:16px;font-weight:800;letter-spacing:1px;margin-bottom:12px;text-transform:uppercase}#custom-html-block .instruction-box ol,#custom-html-block .instructions-box ol{color:var(--text-secondary);font-size:14px;line-height:1.8;margin-left:20px}#custom-html-block .instruction-box ol li,#custom-html-block .instructions-box ol li{margin-bottom:8px}#custom-html-block .instruction-box strong,#custom-html-block .instructions-box strong{color:var(--accent-blue);font-weight:700}#custom-html-block .toolbar{align-items:center;display:flex;flex-wrap:wrap;gap:12px}#custom-html-block .btn{align-items:center;border:none;border-radius:8px;cursor:pointer;display:inline-flex;font-size:14px;font-weight:600;gap:8px;padding:10px 20px;transition:all .2s;white-space:nowrap}#custom-html-block .btn-primary{background:linear-gradient(135deg,#06c,#004c99);box-shadow:var(--shadow-sm);color:#fff}#custom-html-block .btn-primary:hover:not(:disabled){background:linear-gradient(135deg,#0052a3,#003d7a);box-shadow:var(--shadow-md);transform:translateY(-1px)}#custom-html-block .btn-secondary{background:linear-gradient(135deg,#4a5568,#2d3748);border:1px solid var(--border-color);color:#fff}#custom-html-block .btn-secondary:hover{background:linear-gradient(135deg,#2d3748,#1a202c);transform:translateY(-1px)}#custom-html-block .btn-danger{background:#dc2626;box-shadow:var(--shadow-sm);color:#fff}#custom-html-block .btn-danger:hover{background:#b91c1c}#custom-html-block .btn:disabled{background:#9ca3af;cursor:not-allowed;opacity:.5}#custom-html-block .piece-grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));margin-top:24px}#custom-html-block .piece-card{background:var(--bg-secondary);border:2px solid var(--border-color);border-radius:8px;cursor:pointer;padding:20px;position:relative;text-align:center;transition:all .2s}[data-theme=dark] #custom-html-block .piece-card{background:#fff;border-color:#d1d5db}#custom-html-block .piece-card:hover{background:var(--bg-primary);border-color:var(--accent-blue);box-shadow:var(--shadow-md);transform:translateY(-2px)}[data-theme=dark] #custom-html-block .piece-card:hover{background:#f3f4f6}#custom-html-block .piece-card img{height:100px;margin-bottom:12px;max-width:100px;object-fit:contain;width:100%}#custom-html-block .piece-name{color:var(--text-primary);font-size:15px;font-weight:600;margin-bottom:4px}[data-theme=dark] #custom-html-block .piece-card .piece-name{color:#1a1a1a}#custom-html-block .piece-dimensions{color:var(--text-secondary);font-size:13px;font-weight:500}[data-theme=dark] #custom-html-block .piece-card .piece-dimensions{color:#4a5568}#custom-html-block .layout-wrapper{display:grid;gap:24px;grid-template-columns:1fr;margin-top:24px}@media (min-width:1024px){#custom-html-block .layout-wrapper{grid-template-columns:1fr 400px}}#custom-html-block .canvas-section{background:var(--card-bg);border:1px solid var(--border-color);border-radius:12px;box-shadow:var(--shadow-sm);padding:24px}#custom-html-block .canvas-header{align-items:center;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;margin-bottom:16px}#custom-html-block .canvas-info h3{color:var(--text-primary);font-size:18px;font-weight:700;margin-bottom:4px}#custom-html-block .canvas-dimensions{color:var(--text-secondary);font-size:13px;font-weight:500}#custom-html-block .rotate-indicator{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:6px;color:var(--text-secondary);font-size:12px;font-weight:600;padding:6px 12px}#custom-html-block #connect-container{background:var(--canvas-bg);border:2px solid var(--border-color);border-radius:8px;height:500px;overflow:visible;position:relative;width:100%}@media (min-width:768px){#custom-html-block #connect-container{height:600px}}#custom-html-block .canvas-help{background:var(--bg-secondary);border-left:3px solid var(--accent-blue);border-radius:6px;color:var(--text-secondary);font-size:13px;margin-top:12px;padding:12px}#custom-html-block .sidebar{display:flex;flex-direction:column;gap:24px}#custom-html-block .config-panel{background:var(--card-bg);border:1px solid var(--border-color);border-radius:12px;box-shadow:var(--shadow-sm);padding:24px;position:sticky;top:24px}#custom-html-block .panel-title{border-bottom:2px solid var(--border-color);color:var(--text-primary);font-size:18px;font-weight:700;margin-bottom:20px;padding-bottom:12px}#custom-html-block .option-group{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:8px;margin-bottom:20px;padding:16px}#custom-html-block .option-label{align-items:center;color:var(--text-primary);cursor:pointer;display:flex;font-size:14px;font-weight:500;gap:12px;padding:8px 0}#custom-html-block .option-label input[type=radio]{cursor:pointer;height:18px;width:18px}#custom-html-block .option-description{color:var(--text-tertiary);font-size:12px;margin:4px 0 0 30px}#custom-html-block .info-badge{align-items:center;background:var(--accent-blue);border-radius:50%;color:#fff;cursor:pointer;display:inline-flex;font-size:11px;font-weight:700;height:18px;justify-content:center;transition:all .2s;width:18px}#custom-html-block .info-badge:hover{background:var(--accent-blue-light);transform:scale(1.1)}#custom-html-block .tooltip{background:var(--card-bg);border:2px solid var(--accent-blue);border-radius:8px;box-shadow:var(--shadow-lg);display:none;left:50%;padding:16px;position:fixed;top:50%;transform:translate(-50%,-50%);z-index:10000}#custom-html-block .tooltip.show{display:block}#custom-html-block .tooltip img{border-radius:6px;height:200px;object-fit:cover;width:160px}#custom-html-block .tooltip-backdrop{backdrop-filter:blur(2px);background:rgba(0,0,0,.5);display:none;inset:0;position:fixed;z-index:9999}#custom-html-block .tooltip-backdrop.show{display:block}#custom-html-block .summary-group{margin-bottom:16px}#custom-html-block .summary-row{border-bottom:1px solid var(--border-color);display:flex;font-size:14px;justify-content:space-between;padding:10px 0}#custom-html-block .summary-label{color:var(--text-secondary);font-weight:500}#custom-html-block .summary-value{color:var(--text-primary);font-weight:600}#custom-html-block .summary-total{border-top:2px solid var(--border-color);display:flex;font-size:20px;font-weight:700;justify-content:space-between;margin-top:12px;padding:16px 0}#custom-html-block .empty-state{color:var(--text-tertiary);font-size:14px;padding:40px 20px;text-align:center}#custom-html-block .connect-loading{align-items:center;color:var(--text-secondary);display:flex;font-size:16px;height:100%;justify-content:center}#custom-html-block .connect-loading:after{animation:connectDots 1.5s steps(4) infinite;content:"..."}@keyframes connectDots{0%,20%{content:"."}40%{content:".."}60%,to{content:"..."}}#custom-html-block .cnt-product-picker{margin-bottom:20px}#custom-html-block .cnt-picker-label{color:var(--text-primary);font-size:14px;font-weight:600;margin-bottom:10px}#custom-html-block .cnt-product-grid{display:grid;gap:10px;grid-template-columns:1fr 1fr}#custom-html-block .cnt-product-card{align-items:center;background:#f9fafb;border:2px solid #e5e7eb;border-radius:10px;cursor:pointer;display:flex;flex-direction:column;padding:8px;text-align:center;transition:all .2s}#custom-html-block .cnt-product-card:hover{border-color:#9ca3af;box-shadow:0 2px 8px rgba(0,0,0,.1);transform:translateY(-1px)}#custom-html-block .cnt-product-card.cnt-product-selected{background:#eff6ff;border-color:#06c;box-shadow:0 0 0 2px rgba(0,102,204,.3)}#custom-html-block .cnt-product-card.cnt-product-selected .cnt-product-label{color:#0052a3;font-weight:700}#custom-html-block .cnt-product-img{align-items:center;aspect-ratio:4/3;background:#e5e7eb;border-radius:6px;display:flex;justify-content:center;margin-bottom:6px;overflow:hidden;width:100%}#custom-html-block .cnt-product-img img{height:100%;object-fit:cover;width:100%}#custom-html-block .cnt-product-label{color:#374151;font-size:12px;font-weight:600}#custom-html-block .cnt-swatch{border-radius:4px;height:100%;position:relative;width:100%}#custom-html-block .cnt-swatch-border{border:4px solid #eab308;border-radius:4px;inset:0;position:absolute}[data-theme=dark] #custom-html-block .cnt-product-card{background:#1e1e1e;border-color:#333}[data-theme=dark] #custom-html-block .cnt-product-card:hover{border-color:#555}[data-theme=dark] #custom-html-block .cnt-product-card.cnt-product-selected{background:#0a1628;border-color:#39f}[data-theme=dark] #custom-html-block .cnt-product-label{color:#d1d5db}#custom-html-block .cnt-qr-section{margin-top:20px}#custom-html-block .cnt-qr-btn{align-items:center;background:linear-gradient(135deg,#7c3aed,#6d28d9);border:none;border-radius:10px;box-shadow:0 2px 8px rgba(124,58,237,.4);color:#fff;cursor:pointer;display:flex;font-size:18px;font-weight:700;gap:10px;justify-content:center;padding:16px 20px;transition:all .2s;width:100%}#custom-html-block .cnt-qr-btn:hover:not(:disabled){background:linear-gradient(135deg,#6d28d9,#5b21b6);box-shadow:0 4px 12px rgba(124,58,237,.5);transform:translateY(-2px)}#custom-html-block .cnt-qr-btn:disabled{cursor:not-allowed;opacity:.5}#custom-html-block .cnt-qr-modal{align-items:center;animation:cntFadeIn .2s ease;background:rgba(0,0,0,.85);bottom:0;display:flex;justify-content:center;left:0;position:fixed;right:0;top:0;z-index:99999}@keyframes cntFadeIn{0%{opacity:0}to{opacity:1}}#custom-html-block .cnt-qr-modal-inner{background:#fff;border-radius:16px;box-shadow:0 24px 64px rgba(0,0,0,.4);max-width:480px;padding:48px 40px;position:relative;text-align:center;width:90vw}#custom-html-block .cnt-qr-modal-inner h2{color:#0a0a0a;font-size:24px;font-weight:800;letter-spacing:.5px;margin-bottom:8px;text-transform:uppercase}#custom-html-block .cnt-qr-modal-inner p{color:#666;font-size:15px;line-height:1.5;margin-bottom:28px}#custom-html-block .cnt-qr-close{align-items:center;background:#f3f4f6;border:none;border-radius:50%;color:#666;cursor:pointer;display:flex;font-size:18px;height:36px;justify-content:center;position:absolute;right:16px;top:16px;width:36px}#custom-html-block .cnt-qr-close:hover{background:#e5e7eb;color:#000}#custom-html-block #connect-qr-canvas{display:flex;justify-content:center;margin:0 auto 20px}#custom-html-block .cnt-qr-url{color:#999;font-size:11px;max-height:40px;overflow:hidden;word-break:break-all}