/* ============================================
   Modern WooCommerce Product Page Styles
   ============================================ */

:root {
    --primary-color: #000000;
    --primary-hover: #1a1a1a;
    --success-color: #10B981;
    --text-primary: #1a1a1a;
    --text-secondary: #282829;
    --border-color: #e5e7eb;
    --bg-light: #f9fafb;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --border-radius: 12px;
    --transition: all 0.2s ease;
}

/* Product Page Wrapper */
.product-page-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

/* Main Product Container */
.product-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

/* Product Images Section */
.product-images {
    position: sticky;
    top: 20px;
    align-self: start;
}

.main-image {
    background: #ffffff;
    border-radius: var(--border-radius);
    padding: 40px;
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.main-image img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
    transition: transform 0.3s ease;
}

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

.thumbnail-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 12px;
}

.thumbnail-item {
    background: #ffffff;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 8px;
    cursor: pointer;
    transition: var(--transition);
    overflow: hidden;
}

.thumbnail-item:hover {
    border-color: var(--primary-color);
}

.thumbnail-item.active {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.thumbnail-item img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 4px;
}

/* Product Info Section */
.product-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.product-header {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.product-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
    margin: 0;
}

.product-weight {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
}

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

.product-price .woocommerce-Price-amount {
    font-size: 24px;
    font-weight: 500;
    color: var(--text-primary);
}

.product-price del {
    font-size: 20px;
    color: var(--text-secondary);
    opacity: 0.6;
}

.sale-badge {
    background: #ef4444;
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Stock Status */
.stock-status {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    width: fit-content;
}

.stock-status.in-stock {
    background: #ecfdf5;
    color: #059669;
}

.stock-status.out-of-stock {
    background: #fef2f2;
    color: #dc2626;
}

/* Short Description */
.product-short-description {
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.6;
    padding: 20px 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

/* Quantity & Cart Section */
.quantity-cart-wrapper {
    display: flex;
    gap: 16px;
    margin-top: 8px;
}

.quantity-selector {
    display: flex;
    align-items: center;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    background: white;
    overflow: hidden;
}

.quantity-btn {
    width: 48px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border: none;
    cursor: pointer;
    color: var(--text-primary);
    transition: var(--transition);
}

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

.quantity-btn:active {
    background: var(--border-color);
}

.quantity-input {
    width: 60px;
    height: 56px;
    border: none;
    text-align: center;
    font-size: 18px;
    font-weight: 600;
    -moz-appearance: textfield;
    appearance: textfield;
}

.quantity-input::-webkit-outer-spin-button,
.quantity-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.quantity-input:focus {
    outline: none;
}

.add-to-cart-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    padding: 16px 32px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.add-to-cart-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.add-to-cart-btn:active {
    transform: translateY(0);
}

/* Product Meta */
.product-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.meta-label {
    color: var(--text-secondary);
    font-weight: 600;
}

.meta-value {
    color: var(--text-primary);
}

.meta-value a {
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition);
}

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

/* Tabs Section */
.product-details-tabs {
    background: white;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    overflow: hidden;
    margin-bottom: 60px;
}

.tabs-navigation {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-light);
}

.tab-btn {
    flex: 1;
    padding: 20px 24px;
    background: transparent;
    border: none;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.tab-btn:hover {
    color: var(--text-primary);
    background: rgba(0, 0, 0, 0.02);
}

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

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary-color);
}

.tabs-content {
    padding: 40px;
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.tab-content {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.7;
}

.tab-content h1, .tab-content h2, .tab-content h3 {
    color: var(--text-primary);
    margin-top: 24px;
    margin-bottom: 12px;
}

.tab-content p {
    margin-bottom: 16px;
}

/* Product Attributes Table */
.product-attributes {
    width: 100%;
    border-collapse: collapse;
}

.product-attributes tr {
    border-bottom: 1px solid var(--border-color);
}

.product-attributes tr:last-child {
    border-bottom: none;
}

.product-attributes th,
.product-attributes td {
    padding: 16px 0;
    text-align: left;
}

.product-attributes th {
    font-weight: 600;
    color: var(--text-primary);
    width: 30%;
}

.product-attributes td {
    color: var(--text-secondary);
}

/* Related Products */
.related-products-section {
    margin-top: 80px;
}

.related-products-section h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 32px;
}

.related-products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 24px;
}

.related-product-card {
    display: block;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
    text-decoration: none;
}

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

.related-product-image {
    width: 100%;
    aspect-ratio: 1;
    overflow: hidden;
    background: var(--bg-light);
    padding: 20px;
}

.related-product-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.related-product-info {
    padding: 20px;
}

.related-product-info h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 8px 0;
    line-height: 1.4;
}

.related-product-price {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

/* Responsive Design */
@media (max-width: 968px) {
    .product-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .product-images {
        position: static;
    }

    .product-title {
        font-size: 28px;
    }

    .tabs-navigation {
        flex-direction: column;
    }

    .tab-btn.active::after {
        height: 100%;
        width: 3px;
        left: 0;
        top: 0;
        bottom: 0;
    }
}

@media (max-width: 640px) {
    .product-page-wrapper {
        padding: 20px 16px;
    }

    .main-image {
        padding: 20px;
    }

    .product-title {
        font-size: 24px;
    }

    .product-price .price {
        font-size: 24px;
    }

    .quantity-cart-wrapper {
        flex-direction: column;
    }

    .quantity-selector {
        width: 100%;
        justify-content: center;
    }

    .tabs-content {
        padding: 24px 20px;
    }

    .related-products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .related-product-info {
        padding: 16px;
    }

    .related-product-info h3 {
        font-size: 14px;
    }

    .related-product-price {
        font-size: 16px;
    }
}

/* Loading State */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Success Message */
.woocommerce-message {
    background: #ecfdf5;
    color: #059669;
    border-left: 4px solid var(--success-color);
    padding: 16px 20px;
    border-radius: 8px;
    margin-bottom: 24px;
    font-weight: 500;
}

/* Error Message */
.woocommerce-error {
    background: #fef2f2;
    color: #dc2626;
    border-left: 4px solid #dc2626;
    padding: 16px 20px;
    border-radius: 8px;
    margin-bottom: 24px;
    font-weight: 500;
}

.product-details-tabs .tab-content p {
    color: rgba(0,0,0, 0.9);
    font-size: 16px;
}