.header{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:var(--tg-theme-bg-color, #ffffff);border-bottom:1px solid var(--tg-theme-hint-color, #999999);position:sticky;top:0;z-index:100}.header-logo{font-size:18px;font-weight:600;color:var(--tg-theme-text-color, #000000);text-decoration:none}.header-cart{position:relative;color:var(--tg-theme-text-color, #000000);padding:8px}.cart-badge{position:absolute;top:0;right:0;background:var(--tg-theme-button-color, #3390ec);color:var(--tg-theme-button-text-color, #ffffff);font-size:11px;font-weight:600;min-width:18px;height:18px;border-radius:9px;display:flex;align-items:center;justify-content:center;padding:0 4px}.loading{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px 20px;gap:16px}.loading-spinner{width:32px;height:32px;border:3px solid var(--tg-theme-secondary-bg-color, #f4f4f5);border-top-color:var(--tg-theme-button-color, 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#999999);flex-shrink:0}.catalog{padding:16px}.catalog-title{font-size:24px;font-weight:600;color:var(--tg-theme-text-color, #000000);margin:0 0 16px}.categories-list{display:flex;flex-direction:column;gap:8px}.product-card{background:var(--tg-theme-secondary-bg-color, #f4f4f5);border-radius:12px;overflow:hidden;text-decoration:none;color:inherit;display:flex;flex-direction:column}.product-image{position:relative;aspect-ratio:1;background:var(--tg-theme-bg-color, #ffffff)}.product-image img{width:100%;height:100%;object-fit:cover}.product-no-image{width:100%;height:100%;display:flex;align-items:center;justify-content:center;color:var(--tg-theme-hint-color, #999999)}.product-out-of-stock{position:absolute;inset:0;background:#0009;color:#fff;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:500}.product-info{padding:10px;display:flex;flex-direction:column;gap:8px}.product-name{font-size:14px;font-weight:500;color:var(--tg-theme-text-color, #000000);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.3}.product-footer{display:flex;justify-content:space-between;align-items:center}.product-price{font-size:15px;font-weight:600;color:var(--tg-theme-text-color, #000000)}.product-add-btn{width:36px;height:36px;border-radius:50%;border:none;background:var(--tg-theme-button-color, #3390ec);color:var(--tg-theme-button-text-color, #ffffff);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:transform .1s,opacity .2s}.product-add-btn:active{transform:scale(.95)}.product-add-btn.in-cart{background:var(--tg-theme-link-color, #3390ec)}.product-add-btn.disabled{opacity:.5;cursor:not-allowed}.in-cart-badge{font-size:14px;font-weight:600}.category-page{padding:16px}.category-title{font-size:24px;font-weight:600;color:var(--tg-theme-text-color, #000000);margin:0 0 8px}.category-description{font-size:14px;color:var(--tg-theme-hint-color, #999999);margin:0 0 20px;line-height:1.4}.subcategories-section,.products-section{margin-bottom:24px}.section-title{font-size:16px;font-weight:600;color:var(--tg-theme-text-color, #000000);margin:0 0 12px}.subcategories-list{display:flex;flex-direction:column;gap:8px}.products-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.empty-state p{margin:0;font-size:16px}.product-page{padding-bottom:100px}.product-gallery{background:var(--tg-theme-secondary-bg-color, #f4f4f5)}.product-main-image{width:100%;aspect-ratio:1;object-fit:contain;background:var(--tg-theme-bg-color, #ffffff)}.product-thumbnails{display:flex;gap:8px;padding:12px;overflow-x:auto}.thumbnail{width:60px;height:60px;border-radius:8px;overflow:hidden;border:2px solid transparent;padding:0;background:var(--tg-theme-bg-color, #ffffff);cursor:pointer;flex-shrink:0}.thumbnail.active{border-color:var(--tg-theme-button-color, #3390ec)}.thumbnail img{width:100%;height:100%;object-fit:cover}.product-no-image{width:100%;aspect-ratio:1;display:flex;align-items:center;justify-content:center;background:var(--tg-theme-secondary-bg-color, #f4f4f5);color:var(--tg-theme-hint-color, #999999)}.product-details{padding:16px}.product-name{font-size:22px;font-weight:600;color:var(--tg-theme-text-color, #000000);margin:0 0 8px;line-height:1.3}.product-price{font-size:24px;font-weight:700;color:var(--tg-theme-text-color, #000000);margin-bottom:12px}.product-stock{margin-bottom:16px}.in-stock{font-size:14px;color:var(--tg-theme-link-color, #3390ec)}.out-of-stock{font-size:14px;color:var(--tg-theme-destructive-text-color, #ff3b30)}.product-quantity-control{display:inline-flex;align-items:center;gap:12px;background:var(--tg-theme-secondary-bg-color, #f4f4f5);border-radius:12px;padding:8px;margin-bottom:20px}.qty-btn{width:40px;height:40px;border:none;border-radius:10px;background:var(--tg-theme-bg-color, #ffffff);color:var(--tg-theme-button-color, 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img{width:100%;height:100%;object-fit:cover}.cart-item-no-image{width:100%;height:100%;display:flex;align-items:center;justify-content:center;color:var(--tg-theme-hint-color, #999999)}.cart-item-info{flex:1;min-width:0;display:flex;flex-direction:column;gap:4px}.cart-item-name{font-size:14px;font-weight:500;color:var(--tg-theme-text-color, #000000);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.cart-item-price{font-size:13px;color:var(--tg-theme-hint-color, #999999)}.cart-item-controls{display:flex;align-items:center;gap:12px;margin-top:auto}.quantity-control{display:flex;align-items:center;gap:8px;background:var(--tg-theme-bg-color, #ffffff);border-radius:8px;padding:4px}.quantity-btn{width:28px;height:28px;border:none;border-radius:6px;background:transparent;color:var(--tg-theme-button-color, #3390ec);display:flex;align-items:center;justify-content:center;cursor:pointer}.quantity-btn:disabled{opacity:.3;cursor:not-allowed}.quantity-btn:active:not(:disabled){background:var(--tg-theme-secondary-bg-color, #f4f4f5)}.quantity-value{font-size:14px;font-weight:600;min-width:24px;text-align:center;color:var(--tg-theme-text-color, #000000)}.remove-btn{width:32px;height:32px;border:none;border-radius:8px;background:transparent;color:var(--tg-theme-destructive-text-color, #ff3b30);display:flex;align-items:center;justify-content:center;cursor:pointer}.remove-btn:active{background:#ff3b301a}.cart-item-subtotal{font-size:15px;font-weight:600;color:var(--tg-theme-text-color, #000000);align-self:flex-start;flex-shrink:0}.cart-page{padding:16px 16px 120px}.cart-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.cart-title{font-size:24px;font-weight:600;color:var(--tg-theme-text-color, #000000);margin:0}.clear-btn{font-size:14px;color:var(--tg-theme-destructive-text-color, #ff3b30);background:none;border:none;cursor:pointer;padding:8px}.cart-items{display:flex;flex-direction:column;gap:12px;margin-bottom:20px}.cart-summary{background:var(--tg-theme-secondary-bg-color, #f4f4f5);border-radius:12px;padding:16px}.summary-row{display:flex;justify-content:space-between;font-size:14px;color:var(--tg-theme-hint-color, #999999);margin-bottom:8px}.summary-row.total{font-size:18px;font-weight:600;color:var(--tg-theme-text-color, #000000);margin-bottom:0;padding-top:8px;border-top:1px solid var(--tg-theme-hint-color, #e0e0e0)}.checkout-page{padding:16px 16px 120px}.checkout-title{font-size:24px;font-weight:600;color:var(--tg-theme-text-color, #000000);margin:0 0 20px}.order-summary{background:var(--tg-theme-secondary-bg-color, #f4f4f5);border-radius:12px;padding:16px;margin-bottom:20px}.order-summary h2{font-size:16px;font-weight:600;color:var(--tg-theme-text-color, 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