@import "https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap";:root{--primary-color:#3b82f6;--bg-primary:#0f1419;--bg-secondary:#1a1f2e;--bg-card:#1e2433;--text-primary:#f0f2f5;--text-secondary:#8892a4;--text-muted:#5a6478;--border-color:#ffffff14;--success:#10b981;--danger:#ef4444;--warning:#f59e0b;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:20px}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;min-height:100vh;font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif}.catalog-app{max-width:1200px;min-height:100vh;margin:0 auto}.shop-header{border-bottom:1px solid var(--border-color);background:linear-gradient(#ffffff05 0%,#0000 100%);padding:24px 20px 20px}.shop-header-content{align-items:center;gap:16px;display:flex}.shop-logo{border-radius:var(--radius-md);object-fit:cover;border:2px solid var(--border-color);width:64px;height:64px}.shop-logo-placeholder{border-radius:var(--radius-md);color:#fff;justify-content:center;align-items:center;width:64px;height:64px;font-size:28px;font-weight:900;display:flex}.shop-info{flex:1}.shop-name{letter-spacing:-.5px;margin-bottom:2px;font-size:22px;font-weight:900}.shop-type{color:var(--text-secondary);margin-bottom:8px;font-size:13px;font-weight:500}.shop-contact{flex-wrap:wrap;gap:12px;display:flex}.contact-item{color:var(--text-muted);align-items:center;gap:4px;font-size:12px;text-decoration:none;display:flex}.contact-item:hover{color:var(--text-secondary)}.catalog-main{padding:20px}.search-bar-container{gap:12px;margin-bottom:16px;display:flex;position:relative}.search-bar{flex:1;position:relative}.pdf-download-btn{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);cursor:pointer;align-items:center;gap:8px;height:44px;padding:0 16px;font-size:14px;font-weight:700;transition:all .2s;display:flex}.pdf-download-btn:hover{background:var(--primary-color);border-color:var(--primary-color);color:#fff}.search-icon{color:var(--text-muted);pointer-events:none;position:absolute;top:50%;left:14px;transform:translateY(-50%)}.search-input{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-md);width:100%;height:44px;color:var(--text-primary);outline:none;padding:0 40px 0 42px;font-family:inherit;font-size:14px;font-weight:500;transition:border-color .2s,box-shadow .2s}.search-input:focus{border-color:var(--primary-color);box-shadow:0 0 0 3px #3b82f626}.search-input::placeholder{color:var(--text-muted)}.search-clear{background:var(--bg-card);color:var(--text-secondary);cursor:pointer;border:none;border-radius:50%;justify-content:center;align-items:center;width:24px;height:24px;font-size:14px;display:flex;position:absolute;top:50%;right:12px;transform:translateY(-50%)}.category-filter-section{margin-bottom:20px}.category-filter-header{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;align-items:center;gap:6px;margin-bottom:10px;font-size:13px;font-weight:700;display:flex}.category-filter{scrollbar-width:none;-webkit-overflow-scrolling:touch;gap:8px;padding-bottom:4px;display:flex;overflow-x:auto}.category-filter::-webkit-scrollbar{display:none}.category-chip{border:1px solid var(--border-color);background:var(--bg-secondary);color:var(--text-secondary);cursor:pointer;white-space:nowrap;border-radius:12px;align-items:center;gap:6px;padding:8px 14px;font-family:inherit;font-size:13px;font-weight:600;transition:all .25s cubic-bezier(.4,0,.2,1);display:flex}.category-chip:hover{background:var(--bg-card);border-color:var(--text-muted);transform:translateY(-1px)}.category-chip:active{transform:scale(.97)}.category-chip.active{color:#fff;transform:translateY(-1px);box-shadow:0 4px 12px #0000004d}.chip-emoji{font-size:14px;line-height:1}.chip-label{letter-spacing:-.2px;font-weight:700}.chip-count{background:var(--bg-card);color:var(--text-muted);text-align:center;border-radius:8px;min-width:20px;padding:1px 7px;font-size:11px;font-weight:800}.active-filter-banner{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-secondary);justify-content:space-between;align-items:center;margin-bottom:16px;padding:10px 14px;font-size:13px;animation:.2s slideDown;display:flex}.active-filter-banner strong{color:var(--text-primary)}.active-filter-banner button{color:var(--warning);cursor:pointer;text-transform:uppercase;letter-spacing:.5px;background:0 0;border:none;font-size:12px;font-weight:700}.catalog-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:16px;display:grid}.product-card{background:var(--bg-secondary);border-radius:var(--radius-lg);border:1px solid var(--border-color);flex-direction:column;transition:transform .2s;display:flex;position:relative;overflow:hidden}.product-card:active{transform:scale(.98)}.product-image-container{aspect-ratio:1;background:var(--bg-card);position:relative}.product-image{object-fit:cover;width:100%;height:100%}.product-image-placeholder{background:var(--bg-secondary);justify-content:center;align-items:center;width:100%;height:100%;display:flex}.product-info{flex-direction:column;flex:1;padding:14px;display:flex}.product-category{text-transform:uppercase;letter-spacing:.5px;border-radius:6px;align-self:flex-start;margin-bottom:8px;padding:3px 8px;font-size:10px;font-weight:800}.product-name{color:var(--text-primary);-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;margin-bottom:4px;font-size:14px;font-weight:700;line-height:1.3;display:-webkit-box;overflow:hidden}.product-sku{color:var(--text-muted);margin-bottom:8px;font-family:monospace;font-size:11px}.product-price-row{flex-direction:column;gap:4px;margin-top:auto;margin-bottom:12px;display:flex}.product-price{letter-spacing:-.5px;font-size:18px;font-weight:900}.stock-badge{font-size:11px;font-weight:700}.stock-badge.available{color:var(--success)}.floating-cart-btn{color:#fff;cursor:pointer;z-index:100;border:none;border-radius:50%;justify-content:center;align-items:center;width:60px;height:60px;transition:transform .2s;display:flex;position:fixed;bottom:24px;right:24px;box-shadow:0 8px 24px #0000004d}.floating-cart-btn:active{transform:translateY(2px)scale(.95)}.cart-badge{background:var(--danger);color:#fff;border:2px solid var(--bg-primary);border-radius:12px;justify-content:center;align-items:center;min-width:24px;height:24px;font-size:12px;font-weight:900;display:flex;position:absolute;top:-5px;right:-5px}.cart-modal-overlay{z-index:200;background:#000000b3;justify-content:flex-end;animation:.2s fadeIn;display:flex;position:fixed;inset:0}.cart-modal{background:var(--bg-primary);flex-direction:column;width:100%;max-width:400px;height:100%;animation:.3s cubic-bezier(.16,1,.3,1) slideInRight;display:flex}.cart-header{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;padding:20px;display:flex}.cart-title{align-items:center;gap:10px;display:flex}.cart-title h2{margin:0;font-size:18px}.close-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;display:flex}.cart-body{flex:1;padding:20px;overflow-y:auto}.cart-empty{height:100%;color:var(--text-muted);flex-direction:column;justify-content:center;align-items:center;gap:12px;display:flex}.cart-item{border-bottom:1px solid var(--border-color);gap:16px;margin-bottom:16px;padding-bottom:16px;display:flex}.cart-item:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0}.cart-item-image,.cart-item-placeholder{border-radius:var(--radius-sm);object-fit:cover;width:60px;height:60px}.cart-item-placeholder{justify-content:center;align-items:center;display:flex}.cart-item-info{flex:1}.cart-item-name{margin-bottom:4px;font-size:14px;font-weight:600;line-height:1.3}.cart-item-price{margin-bottom:8px;font-size:14px;font-weight:800}.cart-item-controls{justify-content:space-between;align-items:center;display:flex}.qty-controls{background:var(--bg-secondary);border-radius:8px;align-items:center;gap:12px;padding:4px 8px;display:flex}.qty-controls button{color:var(--text-primary);cursor:pointer;background:0 0;border:none;display:flex}.qty-controls button:disabled{opacity:.3}.remove-btn{color:var(--danger);cursor:pointer;background:0 0;border:none;padding:8px;display:flex}.cart-footer{border-top:1px solid var(--border-color);background:var(--bg-secondary);padding:20px}.cart-total{justify-content:space-between;margin-bottom:16px;font-size:18px;font-weight:900;display:flex}.checkout-btn{border-radius:var(--radius-md);color:#fff;cursor:pointer;border:none;width:100%;padding:16px;font-size:16px;font-weight:800}.checkout-btn:disabled{opacity:.5;cursor:not-allowed}.lightbox-overlay{z-index:1000;background:#000000e6;justify-content:center;align-items:center;animation:.2s fadeIn;display:flex;position:fixed;inset:0}.lightbox-image{object-fit:contain;border-radius:var(--radius-md);max-width:90vw;max-height:90vh}.lightbox-close{color:#fff;cursor:pointer;background:#ffffff1a;border:none;border-radius:50%;justify-content:center;align-items:center;width:44px;height:44px;display:flex;position:absolute;top:20px;right:20px}.product-add-btn{border:1px solid var(--border-color);border-radius:var(--radius-sm);cursor:pointer;background:0 0;justify-content:center;align-items:center;gap:6px;width:100%;padding:10px 0;font-size:13px;font-weight:700;transition:all .2s;display:flex}.product-add-btn:active{transform:scale(.98)}.product-inquiry-btn{color:#25d366;border-radius:var(--radius-sm);cursor:pointer;background:#25d3661a;border:1px solid #25d36633;justify-content:center;align-items:center;gap:6px;width:100%;padding:10px 0;font-size:13px;font-weight:700;transition:all .2s;display:flex}.product-inquiry-btn:active{color:#fff;background:#25d366}.load-more-sentinel{justify-content:center;align-items:center;height:60px;margin-top:20px;display:flex}.loading-more{color:var(--text-secondary);align-items:center;gap:12px;font-size:14px;font-weight:600;display:flex}.spinner{border:3px solid var(--border-color);border-top-color:var(--primary-color);border-radius:50%;width:20px;height:20px;animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.product-card.out-of-stock{opacity:.7;filter:grayscale(.5)}.out-of-stock-overlay{color:#fff;background:#0f1419b3;flex-direction:column;justify-content:center;align-items:center;gap:8px;font-size:14px;font-weight:700;display:flex;position:absolute;inset:0}.hot-badge{background:var(--danger);color:#fff;border-radius:Number-sm;z-index:10;align-items:center;gap:4px;padding:4px 8px;font-size:10px;font-weight:900;display:flex;position:absolute;top:8px;left:8px;box-shadow:0 4px 12px #ef44444d}@keyframes slideInRight{0%{transform:translate(100%)}to{transform:translate(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.empty-state{text-align:center;background:var(--bg-secondary);border-radius:var(--radius-lg);border:1px dashed var(--border-color);flex-direction:column;justify-content:center;align-items:center;padding:60px 20px;display:flex}.empty-icon{color:var(--text-muted);margin-bottom:16px}.empty-state h3{margin-bottom:8px;font-size:18px}.empty-state p{color:var(--text-secondary);max-width:300px;font-size:14px}.skeleton-card{background:var(--bg-secondary);border-radius:var(--radius-lg);overflow:hidden}.skeleton-image{aspect-ratio:1;background:var(--bg-card);width:100%;animation:1.5s infinite pulse}.skeleton-body{padding:14px}.skeleton-line{background:var(--bg-card);border-radius:4px;height:12px;margin-bottom:8px;animation:1.5s infinite pulse}.skeleton-line.narrow{width:40%}.skeleton-line.wide{width:90%}.skeleton-line.medium{width:60%}@keyframes pulse{0%{opacity:.5}50%{opacity:1}to{opacity:.5}}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}