/* ============================================
   Component Styles
   ============================================ */

/* Header & Navigation */
.header {
    background: var(--bg-primary);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    border-bottom: 1px solid var(--border-light);
}

.header-top {
    background: var(--gray-800);
    color: var(--text-inverse);
    padding: var(--spacing-sm) 0;
    font-size: 0.8125rem;
    position: relative;
    z-index: 1021;
    width: 100%;
}

.header-top .container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.header-top-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-top-links {
    display: flex;
    gap: var(--spacing-lg);
    list-style: none;
}

.header-top-links a {
    color: var(--text-inverse);
    opacity: 0.9;
    transition: opacity var(--transition-base);
}

.header-top-links a:hover {
    opacity: 1;
}

.header-main {
    padding: var(--spacing-md) 0;
    width: 100%;
}

.header-main .container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.header-main-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    width: 100%;
    flex-wrap: nowrap;
}

.header-main-content > .logo {
    flex-shrink: 0;
    min-width: fit-content;
}

.header-main-content > .search-container {
    flex: 1 1 auto;
    min-width: 0;
}

.header-main-content > .header-actions {
    flex-shrink: 0;
    min-width: fit-content;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.logo-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 800;
}

.logo-img {
    height: 48px;
    width: auto;
    object-fit: contain;
    display: block;
}

/* Search Bar */
.search-container {
    flex: 1 1 auto;
    max-width: 600px;
    min-width: 200px;
    position: relative;
}

.search-form {
    display: flex;
    background: var(--bg-primary);
    border: 2px solid var(--primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.search-input {
    flex: 1;
    padding: 0.875rem 1.25rem;
    border: none;
    font-size: 0.9375rem;
    outline: none;
}

.search-category {
    padding: 0.875rem 1rem;
    border: none;
    border-right: 1px solid var(--border-light);
    background: var(--bg-secondary);
    font-size: 0.875rem;
    cursor: pointer;
    outline: none;
}

.search-button {
    padding: 0.875rem 1.5rem;
    background: var(--primary);
    color: white;
    border: none;
    cursor: pointer;
    font-weight: 600;
    transition: background var(--transition-base);
}

.search-button:hover {
    background: var(--primary-dark);
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

.action-btn {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    padding: var(--spacing-sm);
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.8125rem;
    transition: color var(--transition-base);
}

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

.action-btn-icon {
    font-size: 1.5rem;
}

.action-badge {
    position: absolute;
    top: 0;
    right: 0;
    background: var(--error);
    color: white;
    width: 18px;
    height: 18px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.625rem;
    font-weight: 700;
}

/* Navigation Menu */
.nav-menu {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-light);
    width: 100%;
}

.nav-menu .container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.nav-menu-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    list-style: none;
}

.nav-menu-item {
    position: relative;
}

.nav-menu-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-sm);
    color: var(--text-primary);
    font-weight: 500;
    text-decoration: none;
    transition: color var(--transition-base);
}

.nav-menu-link:hover {
    color: var(--primary);
}

.nav-menu-link.has-dropdown::after {
    content: '▼';
    font-size: 0.625rem;
    margin-left: var(--spacing-xs);
}

/* Mega Menu */
.mega-menu {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100vw;
    max-width: 1200px;
    background: var(--bg-primary);
    box-shadow: var(--shadow-xl);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    display: none;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
    z-index: var(--z-dropdown);
    margin-top: var(--spacing-sm);
}

.nav-menu-item:hover .mega-menu {
    display: grid;
}

.mega-menu-category {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.mega-menu-title {
    font-weight: 700;
    font-size: 0.9375rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--primary);
}

.mega-menu-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.mega-menu-links a {
    color: var(--text-secondary);
    font-size: 0.875rem;
    transition: color var(--transition-base);
}

.mega-menu-links a:hover {
    color: var(--primary);
}

/* Shopping Cart Sidebar */
.cart-sidebar {
    position: fixed;
    top: 0;
    right: -100%;
    width: 420px;
    height: 100vh;
    background: var(--bg-primary);
    box-shadow: var(--shadow-2xl);
    z-index: var(--z-modal);
    transition: right var(--transition-slow);
    display: flex;
    flex-direction: column;
}

.cart-sidebar.open {
    right: 0;
}

.cart-header {
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cart-title {
    font-size: 1.25rem;
    font-weight: 700;
}

.cart-close {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    border: none;
    background: var(--bg-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: all var(--transition-base);
}

.cart-close:hover {
    background: var(--error);
    color: white;
}

.cart-items {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-xl);
}

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

.cart-item-image {
    width: 100px;
    height: 100px;
    border-radius: var(--radius-md);
    background: var(--gray-200);
    flex-shrink: 0;
    object-fit: cover;
}

.cart-item-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.cart-item-title {
    font-weight: 600;
    font-size: 0.9375rem;
    line-height: 1.4;
}

.cart-item-price {
    color: var(--primary);
    font-weight: 700;
    font-size: 1.0625rem;
}

.cart-item-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.quantity-control {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-md);
    padding: var(--spacing-xs);
}

.quantity-btn {
    width: 28px;
    height: 28px;
    border: none;
    background: transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: background var(--transition-base);
}

.quantity-btn:hover {
    background: var(--bg-secondary);
}

.quantity-input {
    width: 40px;
    text-align: center;
    border: none;
    font-weight: 600;
    background: transparent;
}

.cart-item-remove {
    color: var(--error);
    cursor: pointer;
    font-size: 1.125rem;
    margin-left: auto;
    padding: var(--spacing-xs);
}

.cart-footer {
    padding: var(--spacing-xl);
    border-top: 1px solid var(--border-light);
    background: var(--bg-secondary);
}

.cart-summary {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.cart-summary-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.9375rem;
}

.cart-summary-total {
    display: flex;
    justify-content: space-between;
    font-size: 1.25rem;
    font-weight: 700;
    padding-top: var(--spacing-md);
    border-top: 2px solid var(--border-light);
}

.cart-checkout-btn {
    width: 100%;
    padding: var(--spacing-md);
    font-size: 1rem;
}

/* Overlay */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: var(--z-modal-backdrop);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-slow);
}

.overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Product Card */
.product-card-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.product-card-link:hover {
    text-decoration: none;
}

.product-card-link:visited {
    color: inherit;
}

.product-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    cursor: pointer;
    position: relative;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.product-image-wrapper {
    position: relative;
    width: 100%;
    height: 280px;
    overflow: hidden;
    background: var(--gray-100);
}

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

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

.product-badge {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    z-index: 1;
}

.product-actions-overlay {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.product-card:hover .product-actions-overlay {
    opacity: 1;
}

.product-action-btn {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.125rem;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.product-action-btn:hover {
    background: var(--primary);
    color: white;
    transform: scale(1.1);
}

.product-action-btn.active {
    background: var(--error);
    color: white;
}

.product-info {
    padding: var(--spacing-lg);
}

.product-title {
    font-weight: 600;
    font-size: 0.9375rem;
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
    color: var(--text-primary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-rating {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
    font-size: 0.8125rem;
}

.rating-stars {
    color: var(--accent);
}

.rating-count {
    color: var(--text-secondary);
}

.product-price {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.price-current {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
}

.price-original {
    font-size: 0.9375rem;
    color: var(--text-tertiary);
    text-decoration: line-through;
}

.price-discount {
    font-size: 0.8125rem;
    color: var(--error);
    font-weight: 600;
}

.product-shipping {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.product-actions {
    display: flex;
    gap: var(--spacing-sm);
}

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

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

@media (max-width: 1024px) {
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
}

@media (max-width: 640px) {
    .products-grid {
        grid-template-columns: 1fr;
    }
}

/* Breadcrumb */
.breadcrumb {
    padding: var(--spacing-md) 0;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.breadcrumb a {
    color: var(--text-secondary);
}

.breadcrumb a:hover {
    color: var(--primary);
}

.breadcrumb-separator {
    margin: 0 var(--spacing-sm);
    color: var(--text-tertiary);
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    margin: var(--spacing-2xl) 0;
}

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

.pagination-btn:hover:not(:disabled) {
    border-color: var(--primary);
    color: var(--primary);
}

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

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Product Carousel / Slider */
.product-carousel {
    position: relative;
    overflow: hidden;
    margin: 0 -1rem;
    padding: 0 1rem;
}

.carousel-container {
    display: flex;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    gap: var(--spacing-lg);
    will-change: transform;
}

.carousel-item {
    flex: 0 0 25%;
    min-width: 0;
    box-sizing: border-box;
}

.carousel-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    background: white;
    border: 2px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
    font-size: 1.25rem;
    color: var(--text-primary);
}

.carousel-nav:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    transform: translateY(-50%) scale(1.1);
}

.carousel-nav.prev {
    left: 0;
}

.carousel-nav.next {
    right: 0;
}

.carousel-nav:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    pointer-events: none;
}

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xl);
}

.carousel-dot {
    width: 12px;
    height: 12px;
    border-radius: var(--radius-full);
    background: var(--border-medium);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    padding: 0;
}

.carousel-dot.active {
    background: var(--primary);
    width: 32px;
    border-radius: var(--radius-md);
}

.carousel-dot:hover {
    background: var(--primary-light);
}

/* Flash Deals Timer */
.flash-deals-timer {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--error);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.timer-item {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.timer-value {
    background: var(--error);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-weight: 700;
    min-width: 32px;
    text-align: center;
}

/* Category Icons */
.category-icon {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
    color: var(--primary);
    transition: all var(--transition-base);
}

.category-card:hover .category-icon {
    color: var(--primary-dark);
    transform: scale(1.1);
}

.category-card {
    transition: all var(--transition-base);
    border-radius: var(--radius-full) !important;
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.5rem !important;
    min-height: 140px;
}

.category-card h3 {
    font-size: 0.8125rem !important;
    font-weight: 600;
    margin-bottom: 0.25rem !important;
    line-height: 1.3;
}

.category-card p {
    font-size: 0.75rem !important;
    color: var(--text-secondary);
    margin: 0;
}

/* Responsive */
@media (max-width: 1024px) {
    .header-main-content {
        gap: var(--spacing-md);
    }
    
    .search-container {
        max-width: 500px;
    }
    
    .header-actions {
        gap: var(--spacing-xs);
    }
    
    .action-btn {
        padding: var(--spacing-xs);
        font-size: 0.75rem;
    }
    
    .action-btn-icon {
        font-size: 1.25rem;
    }
    
    .mega-menu {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .carousel-item {
        flex: 0 0 calc(33.333% - 0.67rem);
    }
}

@media (max-width: 768px) {
    .header-main-content {
        flex-wrap: wrap;
        gap: var(--spacing-md);
        row-gap: var(--spacing-sm);
    }
    
    .header-main-content > .logo {
        order: 1;
        flex: 0 0 auto;
    }
    
    .header-main-content > .header-actions {
        order: 2;
        flex: 0 0 auto;
        margin-left: auto;
    }
    
    .header-main-content > .search-container {
        order: 3;
        width: 100%;
        max-width: 100%;
        flex: 1 1 100%;
        margin-top: var(--spacing-sm);
    }
    
    .mega-menu {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cart-sidebar {
        width: 100%;
    }
    
    .carousel-item {
        flex: 0 0 calc(50% - 0.5rem);
    }
    
    .carousel-nav {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
}

@media (max-width: 640px) {
    .header-main-content {
        gap: var(--spacing-sm);
    }
    
    .header-actions {
        gap: var(--spacing-xs);
    }
    
    .action-btn span:not(.action-btn-icon):not(.action-badge) {
        display: none;
    }
    
    .action-btn {
        padding: var(--spacing-xs);
        min-width: 40px;
    }
    
    .logo-img {
        height: 40px;
    }
    
    .carousel-item {
        flex: 0 0 100%;
    }
}