/* ===============================================
   Products Page Styles
   =============================================== */

/* Page Header */
.page-header {
    background: var(--gradient-hero);
    padding: 140px 0 60px;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(var(--navy-rgb), 0.2) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(var(--accent-rgb), 0.15) 0%, transparent 50%);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    position: relative;
    z-index: 1;
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.breadcrumb a:hover {
    color: white;
}

.breadcrumb i {
    font-size: 10px;
}

.breadcrumb span {
    color: white;
}

.page-title {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 800;
    color: white;
    margin-bottom: 12px;
    position: relative;
    z-index: 1;
}

.page-subtitle {
    font-size: 17px;
    color: rgba(255, 255, 255, 0.8);
    position: relative;
    z-index: 1;
}

/* Products Layout */
.products-page {
    padding: 40px 0 80px;
    background: var(--bg-secondary);
}

.products-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 30px;
    align-items: start;
}

/* Filters Sidebar */
.filters-sidebar {
    background: white;
    border-radius: var(--radius-xl);
    padding: 24px;
    position: sticky;
    top: 100px;
    box-shadow: var(--shadow-sm);
}

.filters-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--bg-secondary);
}

.filter-close {
    display: none;
}

@media (max-width: 1024px) {
    .filter-close {
        display: block !important;
    }
}

.filters-header h3 {
    font-size: 18px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

.filters-header h3 i {
    color: var(--primary);
}

.clear-filters {
    font-size: 13px;
    color: var(--primary);
    background: none;
    border: none;
    cursor: pointer;
    font-weight: 600;
}

.clear-filters:hover {
    text-decoration: underline;
}

.filter-group {
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--bg-secondary);
}

.filter-group:last-of-type {
    border-bottom: none;
    margin-bottom: 16px;
}

.filter-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 16px;
    cursor: pointer;
    user-select: none;
}

.filter-title i {
    font-size: 12px;
    color: var(--text-muted);
    transition: var(--transition);
}

.filter-group.collapsed .filter-title i {
    transform: rotate(-90deg);
}

.filter-group.collapsed .filter-content {
    display: none;
}

.filter-content {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* Filter Checkbox */
.filter-checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-secondary);
    transition: var(--transition);
}

.filter-checkbox:hover {
    color: var(--primary);
}

.filter-checkbox input {
    display: none;
}

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid var(--bg-secondary);
    border-radius: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    flex-shrink: 0;
}

.filter-checkbox input:checked + .checkmark {
    background: var(--primary);
    border-color: var(--primary);
}

.filter-checkbox input:checked + .checkmark::after {
    content: '✓';
    color: white;
    font-size: 12px;
    font-weight: bold;
}

.filter-label {
    flex: 1;
}

.filter-count {
    font-size: 12px;
    color: var(--text-muted);
}

/* Rating Filter */
.rating-filter .stars {
    display: flex;
    gap: 2px;
    color: rgb(var(--accent-rgb));
    font-size: 12px;
}

/* Price Range */
.price-range {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.price-inputs {
    display: flex;
    align-items: center;
    gap: 12px;
}

.price-input {
    flex: 1;
}

.price-input label {
    display: block;
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.price-input input {
    width: 100%;
    padding: 10px 12px;
    border: 2px solid var(--bg-secondary);
    border-radius: var(--radius-md);
    font-size: 14px;
    text-align: center;
    transition: var(--transition);
}

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

.price-separator {
    color: var(--text-muted);
    margin-top: 20px;
}

.price-slider {
    position: relative;
}

.price-slider input[type="range"] {
    width: 100%;
    height: 6px;
    -webkit-appearance: none;
    background: var(--bg-secondary);
    border-radius: var(--radius-full);
    outline: none;
}

.price-slider input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    background: var(--primary);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(var(--navy-rgb), 0.3);
}

.price-presets {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.price-preset {
    padding: 8px 12px;
    background: var(--bg-secondary);
    border: none;
    border-radius: var(--radius-md);
    font-size: 12px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.price-preset:hover,
.price-preset.active {
    background: var(--primary);
    color: white;
}

.apply-filters {
    margin-top: 8px;
}

/* Products Main */
.products-main {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* Toolbar */
.products-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: white;
    padding: 16px 20px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    flex-wrap: wrap;
    gap: 16px;
}

.toolbar-left {
    display: flex;
    align-items: center;
    gap: 20px;
}

.filter-toggle {
    display: none;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: var(--bg-secondary);
    border: none;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
}

.filter-toggle:hover {
    background: var(--primary);
    color: white;
}

.results-count {
    font-size: 14px;
    color: var(--text-secondary);
}

.toolbar-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.sort-dropdown {
    display: flex;
    align-items: center;
    gap: 10px;
}

.sort-dropdown label {
    font-size: 14px;
    color: var(--text-secondary);
    white-space: nowrap;
}

.sort-dropdown select {
    padding: 10px 36px 10px 16px;
    border: 2px solid var(--bg-secondary);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    background: white;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23666'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: left 10px center;
    background-size: 20px;
}

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

.view-toggle {
    display: flex;
    gap: 4px;
    background: var(--bg-secondary);
    padding: 4px;
    border-radius: var(--radius-md);
}

.view-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
}

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

.view-btn.active {
    background: white;
    color: var(--primary);
    box-shadow: var(--shadow-sm);
}

/* Active Filters */
.active-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding: 16px 20px;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.active-filter {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    background: rgba(var(--navy-rgb), 0.1);
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 500;
    color: var(--primary);
}

.active-filter button {
    background: none;
    border: none;
    color: var(--primary);
    cursor: pointer;
    font-size: 12px;
    padding: 0;
    line-height: 1;
}

.active-filter button:hover {
    color: var(--danger);
}

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr));
    gap: 24px;
}

.products-grid.list-view {
    grid-template-columns: 1fr;
}

.products-grid.list-view .product-card {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 24px;
}

.products-grid.list-view .product-image {
    height: 200px;
}

.products-grid.list-view .product-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 20px 20px 20px 0;
}

/* Product Skeleton */
.product-skeleton {
    background: white;
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.product-skeleton::before {
    content: '';
    display: block;
    padding-top: 130%;
    background: linear-gradient(90deg, var(--bg-secondary) 25%, var(--gray-200) 50%, var(--bg-secondary) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
}

@media (max-width: 768px) {
    .product-skeleton::before {
        padding-top: 100%;
    }
}

@media (max-width: 480px) {
    .product-skeleton::before {
        padding-top: 120%;
    }
}

@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 80px 40px;
    background: white;
    border-radius: var(--radius-xl);
}

.empty-state i {
    font-size: 64px;
    color: var(--bg-secondary);
    margin-bottom: 24px;
}

.empty-state h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
}

.empty-state p {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    padding: 20px;
}

.pagination-btn {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--bg-secondary);
    border-radius: var(--radius-md);
    background: white;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

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

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

.pagination-numbers {
    display: flex;
    gap: 4px;
}

.pagination-num {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    background: white;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.pagination-num:hover {
    border-color: var(--primary);
    color: var(--primary);
}

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

.pagination-dots {
    display: flex;
    align-items: center;
    padding: 0 8px;
    color: var(--text-muted);
}

/* Quick View Modal */
.quick-view-modal .modal-content {
    max-width: 900px;
    width: 95%;
    max-height: 90vh;
    overflow: hidden;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.quick-view-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 500px;
}

.quick-view-images {
    background: var(--bg-secondary);
    padding: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.quick-view-images img {
    max-width: 100%;
    max-height: 400px;
    object-fit: contain;
}

.quick-view-info {
    padding: 40px;
    overflow-y: auto;
}

.quick-view-info .product-badge {
    display: inline-block;
    padding: 6px 14px;
    background: var(--primary);
    color: white;
    font-size: 12px;
    font-weight: 700;
    border-radius: var(--radius-full);
    margin-bottom: 12px;
}

.quick-view-info .product-name {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
}

.quick-view-info .product-brand {
    color: var(--text-muted);
    margin-bottom: 16px;
}

.quick-view-info .product-rating {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
}

.quick-view-info .product-rating .stars {
    color: rgb(var(--accent-rgb));
    font-size: 14px;
}

.quick-view-info .product-rating span {
    font-size: 14px;
    color: var(--text-muted);
}

.quick-view-info .product-price {
    display: flex;
    align-items: baseline;
    gap: 12px;
    margin-bottom: 20px;
}

.quick-view-info .price-current {
    font-size: 28px;
    font-weight: 800;
    color: var(--primary);
}

.quick-view-info .price-old {
    font-size: 18px;
    color: var(--text-muted);
    text-decoration: line-through;
}

.quick-view-info .product-description {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 24px;
}

.quick-view-actions {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
}

.quantity-selector {
    display: flex;
    align-items: center;
    border: 2px solid var(--bg-secondary);
    border-radius: var(--radius-md);
}

.quantity-selector button {
    width: 44px;
    height: 44px;
    border: none;
    background: none;
    font-size: 18px;
    cursor: pointer;
    color: var(--text-secondary);
    transition: var(--transition);
}

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

.quantity-selector input {
    width: 60px;
    text-align: center;
    border: none;
    font-size: 16px;
    font-weight: 600;
}

.quick-view-actions .btn {
    flex: 1;
}

.quick-view-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.quick-view-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: var(--text-secondary);
}

.quick-view-feature i {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(var(--navy-rgb), 0.1);
    border-radius: var(--radius-md);
    color: var(--primary);
}

/* Modal Base */
.modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

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

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: white;
    z-index: 1;
    transform: scale(0.9) translateY(20px);
    transition: var(--transition);
}

.modal.active .modal-content {
    transform: scale(1) translateY(0);
}

.quick-view-modal .modal-close {
    top: 16px;
    right: 16px;
    left: auto;
    width: 44px;
    height: 44px;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    box-shadow: var(--shadow-sm);
}

.quick-view-modal .modal-close:hover {
    background: var(--primary);
    color: white;
}

/* Cart Item Quantity */
.cart-item-quantity {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 8px 0;
}

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

.qty-btn:hover {
    background: var(--primary);
    color: white;
}

/* Filter Overlay */
.filter-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.filter-overlay.active {
    display: block;
    opacity: 1;
}

/* Filter Toggle Button */
.filter-toggle {
    display: none;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: white;
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
}

.filter-toggle:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.filter-toggle i {
    font-size: 16px;
}

/* Responsive */
@media (max-width: 1024px) {
    .products-layout {
        grid-template-columns: 1fr;
    }
    
    .filters-sidebar {
        position: fixed;
        top: 0;
        right: -100%;
        width: 85%;
        max-width: 400px;
        height: 100vh;
        border-radius: 0;
        z-index: 1001;
        overflow-y: auto;
        transition: var(--transition);
        box-shadow: -4px 0 20px rgba(0,0,0,0.1);
    }
    
    .filters-sidebar.active {
        right: 0;
    }
    
    .filter-toggle {
        display: flex;
    }
    
    .filter-overlay.active {
        display: block;
    }
}

@media (max-width: 768px) {
    .page-header {
        padding: 120px 0 40px;
    }
    
    .page-title {
        font-size: 28px;
    }
    
    .products-toolbar {
        flex-direction: column;
        align-items: stretch;
    }
    
    .toolbar-left,
    .toolbar-right {
        justify-content: space-between;
    }
    
    .sort-dropdown {
        flex: 1;
    }
    
    .sort-dropdown select {
        width: 100%;
    }
    
    .products-page .container {
        padding-left: max(16px, env(safe-area-inset-left));
        padding-right: max(16px, env(safe-area-inset-right));
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .products-grid .product-card {
        overflow: hidden;
    }
    
    .products-grid .product-image {
        height: 160px;
        min-height: 160px;
    }
    
    .products-grid .product-image img {
        object-fit: contain;
    }
    
    .products-grid .product-info {
        padding: 12px 14px;
    }
    
    .products-grid .product-name {
        font-size: 13px;
        line-height: 1.35;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    
    .products-grid .product-brand {
        font-size: 11px;
    }
    
    .products-grid .price-current {
        font-size: 16px;
    }
    
    .products-grid .add-to-cart {
        width: 44px;
        height: 44px;
        min-width: 44px;
        min-height: 44px;
    }
    
    .products-grid.list-view {
        grid-template-columns: 1fr;
    }
    
    .products-grid.list-view .product-card {
        grid-template-columns: 1fr;
    }
    
    .products-grid.list-view .product-image {
        height: 200px;
        min-height: 200px;
    }
    
    .products-grid.list-view .product-info {
        padding: 16px;
    }
    
    .quick-view-modal {
        align-items: flex-end;
        padding: 0 env(safe-area-inset-right) 0 env(safe-area-inset-left);
    }
    .quick-view-modal .modal-content {
        width: 100%;
        max-width: none;
        max-height: 85vh;
        max-height: calc(100vh - 24px - env(safe-area-inset-bottom));
        margin: 12px;
        margin-bottom: max(12px, env(safe-area-inset-bottom));
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    }
    .quick-view-body {
        grid-template-columns: 1fr;
        min-height: 0;
    }
    .quick-view-images {
        padding: 16px 20px;
        min-height: 180px;
    }
    .quick-view-images img {
        max-height: 200px;
    }
    .quick-view-info {
        padding: 20px 20px 24px;
        padding-bottom: max(24px, env(safe-area-inset-bottom));
    }
    .quick-view-info .product-name {
        font-size: 18px;
    }
    .quick-view-info .price-current {
        font-size: 22px;
    }
    .quick-view-actions .quantity-selector button {
        width: 44px;
        height: 44px;
    }
    .quick-view-actions .btn {
        min-height: 44px;
    }
    .quick-view-modal .btn-block {
        min-height: 44px;
        margin-top: 12px;
        padding: 14px 20px;
    }
    .quick-view-modal .modal-close {
        top: 12px;
        right: max(12px, env(safe-area-inset-right));
        width: 44px;
        height: 44px;
    }
}

@media (max-width: 480px) {
    .quick-view-modal .modal-content {
        margin: 8px;
        margin-bottom: max(8px, env(safe-area-inset-bottom));
        max-height: 90vh;
        max-height: calc(100vh - 16px - env(safe-area-inset-bottom));
    }
    .quick-view-images {
        padding: 12px 16px;
        min-height: 160px;
    }
    .quick-view-images img {
        max-height: 180px;
    }
    .quick-view-info {
        padding: 16px 16px 20px;
        padding-bottom: max(20px, env(safe-area-inset-bottom));
    }
    .quick-view-info .product-name {
        font-size: 17px;
    }
    .quick-view-info .product-description {
        font-size: 14px;
        margin-bottom: 16px;
    }
    .quick-view-actions {
        margin-bottom: 16px;
    }
    .quick-view-modal .btn-block {
        margin-top: 8px;
    }
    .page-header {
        padding: 100px 0 32px;
        padding-top: max(100px, 80px + env(safe-area-inset-top));
    }
    .products-page {
        padding-bottom: max(48px, env(safe-area-inset-bottom));
    }
    .products-page .container {
        padding-left: max(12px, env(safe-area-inset-left));
        padding-right: max(12px, env(safe-area-inset-right));
    }
    .products-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .products-grid .product-image {
        height: 220px;
        min-height: 220px;
    }
    .products-grid .product-info {
        padding: 16px;
    }
    .products-grid .product-name {
        font-size: 15px;
    }
    .products-grid .product-brand {
        font-size: 13px;
    }
    .products-grid .price-current {
        font-size: 18px;
    }
    .products-toolbar {
        padding: 12px 16px;
    }
    .active-filters {
        padding: 12px 16px;
    }
    .pagination-num {
        width: 40px;
        height: 40px;
        font-size: 13px;
    }
    
    .pagination-btn {
        width: 40px;
        height: 40px;
    }
}

/* iPhone 13 / iPhone range (430px and below) */
@media (max-width: 430px) {
    .products-page .container {
        padding-left: max(14px, env(safe-area-inset-left));
        padding-right: max(14px, env(safe-area-inset-right));
    }
    .products-grid .product-image {
        height: 200px;
        min-height: 200px;
    }
    .products-grid .product-info {
        padding: 14px;
    }
}

@media (max-width: 390px) {
    .products-page .container {
        padding-left: max(12px, env(safe-area-inset-left));
        padding-right: max(12px, env(safe-area-inset-right));
    }
    .products-grid .product-image {
        height: 180px;
        min-height: 180px;
    }
}