.shop-categories {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: 3rem;
}

.category-btn {
    padding: 0.75rem 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.category-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.category-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
}

.shop-grid {
    display: grid;
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 2rem;
}

.shop-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
}

.shop-card:hover {
    border-color: var(--accent);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.shop-card-image {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--bg-secondary);
}

.shop-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.shop-card:hover .shop-card-image img {
    transform: scale(1.05);
}

.shop-card-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.4rem 0.8rem;
    background: var(--accent);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    color: white;
    text-transform: uppercase;
}

.shop-card-content {
    padding: 1.5rem;
}

.shop-card-category {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.shop-card-title {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.shop-card-description {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.shop-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.shop-card-price {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.shop-card-price .old-price {
    font-size: 0.9rem;
    color: var(--text-tertiary);
    text-decoration: line-through;
    margin-left: 0.5rem;
}

.shop-card-actions {
    display: flex;
    gap: 0.5rem;
}

.shop-cart-preview {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    z-index: var(--z-sticky);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
}

.shop-cart-preview.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.cart-icon {
    position: relative;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
}

.cart-icon svg {
    width: 24px;
    height: 24px;
}

.cart-count {
    position: absolute;
    top: -5px;
    right: -5px;
    min-width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 600;
    color: white;
}

.cart-info {
    display: flex;
    flex-direction: column;
}

.cart-total {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.cart-items {
    font-size: 0.8rem;
    color: var(--text-tertiary);
}

@media (max-width: 768px) {
    .shop-grid {
        grid-template-columns: 1fr;
    }

    .shop-cart-preview {
        left: 1rem;
        right: 1rem;
        justify-content: space-between;
    }
}

.shop-sidebar {
    position: sticky;
    top: calc(var(--header-height) + 2rem);
}

.shop-filters {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.filter-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.filter-header h4 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.filter-clear {
    font-size: 0.85rem;
    color: var(--primary);
    cursor: pointer;
    background: none;
    border: none;
}

.filter-group {
    margin-bottom: 1.5rem;
}

.filter-group:last-child {
    margin-bottom: 0;
}

.filter-group h5 {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.filter-options {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.filter-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.filter-option:hover {
    background: var(--bg-secondary);
}

.filter-option input {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
}

.filter-option span {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.filter-option .count {
    margin-left: auto;
    font-size: 0.8rem;
    color: var(--text-tertiary);
}

.price-range {
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
}

.price-inputs {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.price-input {
    flex: 1;
    padding: 0.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    color: var(--text-primary);
    text-align: center;
}

.price-input:focus {
    outline: none;
    border-color: var(--primary);
}

.price-divider {
    color: var(--text-tertiary);
}

.shop-search {
    position: relative;
    margin-bottom: 2rem;
}

.shop-search input {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    font-size: 0.95rem;
    color: var(--text-primary);
}

.shop-search input:focus {
    outline: none;
    border-color: var(--primary);
}

.shop-search svg {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    stroke: var(--text-tertiary);
}

.shop-sort {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
}

.sort-select {
    padding: 0.75rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    color: var(--text-primary);
    cursor: pointer;
}

.sort-select:focus {
    outline: none;
    border-color: var(--primary);
}

.view-toggle {
    display: flex;
    gap: 0.5rem;
}

.view-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-tertiary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.view-btn:hover,
.view-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.view-btn svg {
    width: 18px;
    height: 18px;
}

.shop-card-full {
    grid-template-columns: 1fr;
}

.product-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.product-gallery {
    position: sticky;
    top: calc(var(--header-height) + 2rem);
}

.product-main-image {
    aspect-ratio: 1;
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    margin-bottom: 1rem;
}

.product-main-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-thumbnails {
    display: flex;
    gap: 1rem;
}

.product-thumb {
    width: 80px;
    height: 80px;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    transition: border-color var(--transition-fast);
}

.product-thumb:hover,
.product-thumb.active {
    border-color: var(--primary);
}

.product-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-info {
    padding: 1rem 0;
}

.product-category {
    display: inline-block;
    padding: 0.3rem 0.75rem;
    background: rgba(220, 38, 38, 0.1);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 1rem;
}

.product-title {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.product-description {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.product-features {
    margin-bottom: 2rem;
}

.product-features h4 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.feature-list svg {
    width: 18px;
    height: 18px;
    stroke: var(--success);
    flex-shrink: 0;
}

.product-price-section {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    margin-bottom: 2rem;
}

.product-price {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
}

.product-old-price {
    font-size: 1.25rem;
    color: var(--text-tertiary);
    text-decoration: line-through;
}

.product-discount {
    padding: 0.25rem 0.75rem;
    background: var(--danger);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    color: white;
}

.product-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.quantity-selector {
    display: flex;
    align-items: center;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
}

.quantity-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.25rem;
    cursor: pointer;
}

.quantity-btn:hover {
    color: var(--primary);
}

.quantity-value {
    width: 50px;
    text-align: center;
    font-size: 1rem;
    color: var(--text-primary);
    background: none;
    border: none;
}

.add-to-cart-btn {
    flex: 1;
}

.wishlist-btn {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.wishlist-btn:hover {
    background: var(--danger);
    border-color: var(--danger);
    color: white;
}

.product-meta {
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.meta-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.meta-item strong {
    color: var(--text-primary);
    min-width: 100px;
}

.cart-modal {
    max-width: 600px;
}

.cart-items {
    max-height: 400px;
    overflow-y: auto;
}

.cart-item {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
}

.cart-item-image {
    width: 80px;
    height: 80px;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.cart-item-info {
    flex: 1;
}

.cart-item-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.cart-item-price {
    font-size: 0.9rem;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.cart-item-qty {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.cart-item-qty button {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: none;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
}

.cart-item-remove {
    color: var(--danger);
    background: none;
    border: none;
    cursor: pointer;
}

.cart-summary {
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.summary-row.total {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    margin-top: 1rem;
}

.checkout-btn {
    width: 100%;
    margin-top: 1.5rem;
}

@media (max-width: 1024px) {
    .product-detail {
        grid-template-columns: 1fr;
    }
    
    .product-gallery {
        position: relative;
        top: 0;
    }
}