/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --success-color: #27ae60;
    --danger-color: #e74c3c;
    --warning-color: #f39c12;
    --light-gray: #ecf0f1;
    --medium-gray: #95a5a6;
    --dark-gray: #34495e;
    --border-radius: 8px;
    --box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    --transition: all 0.3s ease;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--dark-gray);
    background-color: #f8f9fa;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header styles are now in base.html for better integration */

.btn-link {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 500;
}

/* Messages */
.messages {
    background: white;
    border-bottom: 1px solid var(--light-gray);
}

.message {
    padding: 1rem;
    margin: 0.5rem 0;
    border-radius: var(--border-radius);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.close-message {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: inherit;
    opacity: 0.7;
}

.close-message:hover {
    opacity: 1;
}


/* Main Content */
.main-content {
    flex: 1;
}

/* Product List Page */
.product-list-page {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.page-header h2 {
    color: var(--primary-color);
    font-size: 2rem;
}

.product-count {
    color: var(--medium-gray);
}

/* Filters Bar */
.filters-bar {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 2rem;
    margin-bottom: 2rem;
    background: white;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.categories-filter h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.category-list {
    list-style: none;
}

.category-list li {
    margin-bottom: 0.5rem;
}

.category-list a {
    color: var(--dark-gray);
    text-decoration: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.25rem 0;
}

.category-list li.active a {
    color: var(--secondary-color);
    font-weight: 600;
}

.category-list .count {
    color: var(--medium-gray);
    font-size: 0.9rem;
}

.subcategories {
    margin-left: 1.5rem;
    margin-top: 0.5rem;
    list-style: none;
}

.sort-options {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.sort-options select {
    padding: 0.5rem;
    border: 1px solid var(--light-gray);
    border-radius: var(--border-radius);
    background: white;
    cursor: pointer;
}

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.product-card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    height: 100%;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}

.product-link {
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.product-image {
    position: relative;
    padding-top: 75%; /* 4:3 Aspect Ratio */
    background: var(--light-gray);
    overflow: hidden;
}

.product-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.no-image {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: var(--medium-gray);
}

.no-image svg {
    opacity: 0.3;
}

.no-image span {
    display: block;
    margin-top: 1rem;
    font-size: 0.9rem;
}

.badge {
    position: absolute;
    top: 10px;
    right: 10px;
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius);
    font-size: 0.85rem;
    font-weight: 600;
}

.badge.out-of-stock {
    background: var(--danger-color);
    color: white;
}

.badge.low-stock {
    background: var(--warning-color);
    color: white;
}

.product-info {
    padding: 1rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-title {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
    font-weight: 500;
}

.product-category {
    color: var(--medium-gray);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.product-price {
    font-size: 1.5rem;
    color: var(--secondary-color);
    font-weight: 700;
    margin-top: auto;
}

.product-stock-status {
    margin-top: 0.5rem;
}

.in-stock {
    color: var(--success-color);
    font-size: 0.9rem;
}

.out-of-stock {
    color: var(--danger-color);
    font-size: 0.9rem;
}

.no-products {
    grid-column: 1 / -1;
    text-align: center;
    padding: 3rem;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.no-products h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.no-products p {
    color: var(--medium-gray);
    margin-bottom: 2rem;
}

/* Product Detail Page */
.product-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: 3rem;
}

.product-images {
    position: relative;
}

.main-image {
    position: relative;
    background: var(--light-gray);
    border-radius: var(--border-radius);
    overflow: hidden;
    padding-top: 100%; /* Square aspect ratio */
}

.main-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.no-image-large {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: var(--medium-gray);
}

.badge-overlay {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 0.5rem 1rem;
    background: var(--danger-color);
    color: white;
    border-radius: var(--border-radius);
    font-weight: 600;
}

.product-info-detail h1 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.product-meta {
    margin-bottom: 1rem;
}

.product-meta .label {
    color: var(--medium-gray);
    margin-right: 0.5rem;
}

.category-link {
    color: var(--secondary-color);
    text-decoration: none;
}

.category-link:hover {
    text-decoration: underline;
}

.price-section {
    margin: 2rem 0;
}

.product-price-large {
    font-size: 2.5rem;
    color: var(--secondary-color);
    font-weight: 700;
}

.stock-section {
    margin-bottom: 2rem;
    padding: 1rem;
    background: var(--light-gray);
    border-radius: var(--border-radius);
}

.stock-status {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.in-stock-label {
    color: var(--success-color);
    font-weight: 600;
}

.out-of-stock-label {
    color: var(--danger-color);
    font-weight: 600;
}

.stock-count {
    color: var(--medium-gray);
}

.restock-notice {
    margin-top: 0.5rem;
    color: var(--medium-gray);
}

.purchase-section {
    margin-bottom: 2rem;
}

.quantity-selector {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.quantity-input {
    padding: 0.5rem;
    border: 1px solid var(--light-gray);
    border-radius: var(--border-radius);
    min-width: 80px;
}

.action-buttons {
    display: flex;
    gap: 1rem;
}

.btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

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

.btn-primary:hover {
    background: #2980b9;
}

.btn-secondary {
    background: white;
    color: var(--secondary-color);
    border: 2px solid var(--secondary-color);
}

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

.btn-disabled {
    background: var(--medium-gray);
    color: white;
    cursor: not-allowed;
}

.out-of-stock-actions {
    display: flex;
    gap: 1rem;
}

.product-details {
    margin-top: 2rem;
}

.product-details h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.details-table {
    width: 100%;
    border-collapse: collapse;
}

.details-table tr {
    border-bottom: 1px solid var(--light-gray);
}

.details-table td {
    padding: 0.75rem 0;
}

.details-table td:first-child {
    color: var(--medium-gray);
    width: 40%;
}

.text-success {
    color: var(--success-color);
}

.text-danger {
    color: var(--danger-color);
}

.product-description-section {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: 3rem;
}

.product-description-section h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.description-content {
    color: var(--dark-gray);
    line-height: 1.8;
}

.related-products {
    margin-top: 3rem;
}

.related-products h2 {
    color: var(--primary-color);
    margin-bottom: 2rem;
}

.related-products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.5rem;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 3rem;
    padding: 1rem;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.pagination-info {
    color: var(--medium-gray);
}

.pagination-links {
    display: flex;
    gap: 0.5rem;
}

.page-link {
    padding: 0.5rem 1rem;
    border: 1px solid var(--light-gray);
    border-radius: var(--border-radius);
    text-decoration: none;
    color: var(--dark-gray);
    transition: var(--transition);
}

.page-link:hover {
    background: var(--secondary-color);
    color: white;
    border-color: var(--secondary-color);
}

.page-link.current {
    background: var(--secondary-color);
    color: white;
    border-color: var(--secondary-color);
}

/* Footer */
.footer {
    background: var(--primary-color);
    color: white;
    margin-top: auto;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #ecf0f1;
    text-decoration: none;
}

.footer-section a:hover {
    color: white;
    text-decoration: underline;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: #ecf0f1;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        align-items: stretch;
    }
    
    .main-nav ul {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .search-input {
        width: 100%;
    }
    
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: 1rem;
    }
    
    .product-detail {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .filters-bar {
        flex-direction: column;
    }
    
    .related-products-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
    
    .action-buttons,
    .out-of-stock-actions {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
}

/* Cart Icon Styles */
.cart-icon {
    position: relative;
    display: inline-flex;
    align-items: center;
    color: white;
    text-decoration: none;
    margin-right: 1rem;
    transition: opacity 0.3s ease;
}

.cart-icon:hover {
    opacity: 0.8;
}

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

.cart-count {
    position: absolute;
    top: -8px;
    right: -8px;
    background: #dc3545;
    color: white;
    font-size: 0.75rem;
    font-weight: bold;
    padding: 2px 6px;
    border-radius: 10px;
    min-width: 20px;
    text-align: center;
}

/* Image Gallery Styles */
.image-thumbnails {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.thumbnail {
    width: 80px;
    height: 80px;
    border: 2px solid #ddd;
    border-radius: 4px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s ease;
}

.thumbnail:hover {
    border-color: #3498db;
    transform: scale(1.05);
}

.thumbnail.active {
    border-color: #2c3e50;
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.3);
}

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

.main-image {
    position: relative;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f8f9fa;
    border-radius: 8px;
    overflow: hidden;
}

.main-image img {
    max-width: 100%;
    max-height: 500px;
    object-fit: contain;
}

@media (max-width: 480px) {
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .pagination {
        flex-direction: column;
        gap: 1rem;
    }
    
    .pagination-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}