/* ============ PRODUCT PAGE ============ */
.product-page {
    padding: var(--space-2xl) 0;
}

.product-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: start;
}

/* Gallery */
.product-gallery {
    position: sticky;
    top: calc(var(--header-height) + var(--space-xl));
}

.product-gallery-main {
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 1;
    background: var(--color-gray-100);
    cursor: zoom-in;
    margin-bottom: var(--space-md);
}

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

.product-gallery-main:hover img {
    transform: scale(1.5);
}

.product-gallery-thumbs {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--space-sm);
}

.product-thumb {
    aspect-ratio: 1;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 2px solid transparent;
    cursor: pointer;
    transition: border-color var(--transition-fast);
}

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

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

/* Product Details */
.product-details {
    padding: var(--space-md) 0;
}

.product-breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.85rem;
    color: var(--color-gray-500);
    margin-bottom: var(--space-lg);
}

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

.product-breadcrumb .separator {
    color: var(--color-gray-300);
}

.product-title {
    font-size: 1.75rem;
    margin-bottom: var(--space-sm);
}

.product-meta {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
    font-size: 0.9rem;
    color: var(--color-gray-500);
}

.product-meta .stars {
    font-size: 1rem;
}

.product-sku {
    color: var(--color-gray-400);
    font-size: 0.85rem;
}

.product-price-section {
    margin-bottom: var(--space-xl);
}

.product-price {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-primary);
}

.product-compare-price {
    font-size: 1.1rem;
    color: var(--color-gray-400);
    text-decoration: line-through;
    margin-left: var(--space-sm);
}

.product-save-badge {
    display: inline-block;
    margin-left: var(--space-sm);
    background: var(--color-accent);
    color: var(--color-white);
    padding: 2px 10px;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
}

.product-short-desc {
    font-size: 0.95rem;
    color: var(--color-gray-600);
    line-height: 1.7;
    margin-bottom: var(--space-xl);
}

/* Variants */
.product-variants {
    margin-bottom: var(--space-xl);
}

.variant-group {
    margin-bottom: var(--space-md);
}

.variant-group label {
    display: block;
    font-weight: 500;
    font-size: 0.9rem;
    margin-bottom: var(--space-sm);
    color: var(--color-primary);
}

.variant-options {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.variant-option {
    padding: var(--space-sm) var(--space-md);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.variant-option:hover {
    border-color: var(--color-accent-hover);
}

.variant-option.selected {
    border-color: var(--color-accent);
    background: rgba(197, 33, 132, 0.05);
    color: var(--color-accent);
}

/* Add to Cart Section */
.product-add-to-cart {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
    align-items: center;
}

.product-add-to-cart .quantity-control {
    height: 48px;
}

.product-add-to-cart .quantity-control button {
    width: 40px;
    height: 100%;
}

.product-add-to-cart .quantity-control input {
    width: 50px;
    height: 100%;
    font-size: 1rem;
}

.product-add-to-cart .btn {
    flex: 1;
    height: 48px;
    font-size: 1rem;
}

.product-wishlist-btn {
    width: 48px;
    height: 48px;
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-400);
    transition: all var(--transition-fast);
    flex-shrink: 0;
    font-size: 1.1rem;
}

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

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

/* Stock status */
.product-stock {
    font-size: 0.85rem;
    margin-bottom: var(--space-md);
}

.product-stock.in-stock {
    color: #10b981;
}

.product-stock.low-stock {
    color: #f59e0b;
}

.product-stock.out-of-stock {
    color: #ef4444;
}

/* Share */
.product-share {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-gray-200);
}

.product-share span {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-gray-600);
}

.product-share a {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: var(--color-gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-600);
    transition: all var(--transition-fast);
}

.product-share a:hover {
    background: var(--color-accent);
    color: var(--color-white);
}

/* Product Tabs */
.product-tabs {
    margin-top: var(--space-3xl);
}

.product-tabs-nav {
    display: flex;
    border-bottom: 2px solid var(--color-gray-200);
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.product-tab-btn {
    padding: var(--space-md) 0;
    font-weight: 500;
    color: var(--color-gray-500);
    position: relative;
    cursor: pointer;
    transition: color var(--transition-fast);
}

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

.product-tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-accent);
}

.product-tab-content {
    display: none;
}

.product-tab-content.active {
    display: block;
}

.product-description {
    line-height: 1.8;
    color: var(--color-gray-600);
}

/* Reviews */
.reviews-summary {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid var(--color-gray-200);
}

.reviews-average {
    text-align: center;
}

.reviews-average .number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
}

.review-card {
    padding: var(--space-lg) 0;
    border-bottom: 1px solid var(--color-gray-100);
}

.review-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-sm);
}

.review-author {
    font-weight: 600;
    color: var(--color-primary);
}

.review-date {
    font-size: 0.8rem;
    color: var(--color-gray-400);
}

.review-title {
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.review-content {
    font-size: 0.95rem;
    color: var(--color-gray-600);
    line-height: 1.7;
}

/* Related Products */
.related-products {
    margin: 60px 0 40px;
    padding: 40px 0 50px;
    border-top: 1px solid var(--color-gray-200);
}
.related-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 30px;
}
.related-header .section-title {
    margin-bottom: 0;
}
.related-nav {
    display: flex;
    gap: 8px;
}
.related-arrow {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--color-gray-300);
    background: var(--color-white);
    color: var(--color-gray-700);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.85rem;
}
.related-arrow:hover {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}
.related-arrow.swiper-button-disabled {
    opacity: 0.35;
    cursor: default;
    pointer-events: none;
}
.related-swiper .swiper-slide {
    width: auto !important;
    flex-shrink: 0;
    padding-right: 24px;
    box-sizing: content-box;
}
.related-swiper .swiper-slide .product-card {
    width: 240px;
}

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
    .product-layout {
        gap: var(--space-xl);
    }

    .product-title {
        font-size: 1.5rem;
    }

    .product-price {
        font-size: 1.5rem;
    }

    .reviews-average .number {
        font-size: 2.4rem;
    }

    .reviews-summary {
        gap: var(--space-lg);
    }

    .related-products {
        margin-top: var(--space-2xl);
        padding-top: var(--space-2xl);
    }
}

@media (max-width: 768px) {
    .product-page {
        padding: var(--space-lg) 0;
    }

    .product-layout {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

    .product-gallery {
        position: relative;
        top: 0;
    }

    .product-gallery-thumbs {
        grid-template-columns: repeat(5, 1fr);
        gap: 6px;
    }

    .product-title {
        font-size: 1.3rem;
    }

    .product-price {
        font-size: 1.4rem;
    }

    .product-compare-price {
        font-size: 0.95rem;
    }

    .product-breadcrumb {
        font-size: 0.78rem;
        margin-bottom: var(--space-md);
    }

    .product-meta {
        gap: var(--space-md);
        font-size: 0.82rem;
        flex-wrap: wrap;
    }

    .product-short-desc {
        font-size: 0.88rem;
    }

    .product-add-to-cart {
        flex-wrap: wrap;
    }

    .product-add-to-cart .btn {
        min-width: 0;
        flex: 1 1 100%;
        order: 3;
    }

    .product-share {
        flex-wrap: wrap;
        gap: var(--space-sm);
    }

    .product-tabs-nav {
        gap: var(--space-md);
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .product-tab-btn {
        white-space: nowrap;
        font-size: 0.88rem;
    }

    .reviews-summary {
        flex-direction: column;
        text-align: center;
        gap: var(--space-md);
    }

    .reviews-average .number {
        font-size: 2rem;
    }

    .review-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }
}

@media (max-width: 480px) {
    .product-page {
        padding: var(--space-md) 0;
    }

    .product-gallery-main {
        border-radius: var(--radius-md);
        margin-bottom: var(--space-sm);
    }

    .product-gallery-thumbs {
        grid-template-columns: repeat(4, 1fr);
        gap: 4px;
    }

    .product-title {
        font-size: 1.15rem;
    }

    .product-price {
        font-size: 1.25rem;
    }

    .product-details {
        padding: 0;
    }

    .variant-option {
        padding: 6px var(--space-sm);
        font-size: 0.8rem;
    }

    .product-add-to-cart .quantity-control {
        height: 42px;
    }

    .product-wishlist-btn {
        width: 42px;
        height: 42px;
    }

    .product-share a {
        width: 32px;
        height: 32px;
    }

    .product-tabs {
        margin-top: var(--space-xl);
    }

    .review-content {
        font-size: 0.88rem;
    }
}

/* ========== PRODUCT DETAIL PAGE — NEW STYLES ========== */

/* Breadcrumb */
.pdp-breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--color-gray-500);
    padding: var(--space-lg) 0;
}

.pdp-breadcrumb a {
    color: var(--color-gray-500);
    text-decoration: none;
    transition: color 150ms;
}

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

.pdp-breadcrumb .sep {
    color: var(--color-gray-300);
    font-size: 0.75rem;
}

.pdp-breadcrumb .current {
    color: var(--color-primary);
    font-weight: 500;
}

/* Gallery Arrows */
.product-gallery-main {
    position: relative;
}

.pdp-gallery-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 5;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.9);
    border: 1px solid var(--color-gray-200);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--color-primary);
    font-size: 0.9rem;
    transition: all 200ms;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.pdp-gallery-arrow:hover {
    background: var(--color-accent);
    color: #fff;
    border-color: var(--color-accent);
}

.pdp-gallery-prev { left: 12px; }
.pdp-gallery-next { right: 12px; }

/* Sale Badge */
.pdp-badge-sale {
    position: absolute;
    top: 12px;
    left: 12px;
    background: #ef4444;
    color: #fff;
    font-size: 0.78rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    z-index: 4;
}

/* Thumbnails */
.pdp-thumbs {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
    gap: 8px;
    margin-top: var(--space-md);
}

.pdp-thumb {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 2px solid transparent;
    cursor: pointer;
    transition: border-color 150ms;
    background: var(--color-gray-100);
    padding: 0;
}

.pdp-thumb.active,
.pdp-thumb:hover {
    border-color: var(--color-accent);
}

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

.pdp-thumb-play {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 28px;
    height: 28px;
    background: rgba(0,0,0,0.6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 0.6rem;
}

/* EMI */
.pdp-emi {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #f0fdf4;
    color: #166534;
    font-size: 0.84rem;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-lg);
    border: 1px solid #bbf7d0;
}

.pdp-emi i {
    font-size: 1rem;
}

/* Meta Grid (SKU, Origin, Purity) */
.pdp-meta-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: var(--space-lg);
    padding: var(--space-md);
    background: var(--color-gray-50, #f9fafb);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-gray-200);
}

.pdp-meta-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 100px;
}

.pdp-meta-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-gray-400);
    font-weight: 600;
}

.pdp-meta-value {
    font-size: 0.9rem;
    color: var(--color-primary);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Purity Bar */
.pdp-purity-bar {
    width: 80px;
    height: 6px;
    background: var(--color-gray-200);
    border-radius: 3px;
    overflow: hidden;
}

.pdp-purity-fill {
    height: 100%;
    background: linear-gradient(90deg, #10b981, #059669);
    border-radius: 3px;
    transition: width 600ms ease;
}

/* Buy Now Button */
.pdp-buy-now {
    background: var(--color-primary) !important;
    color: #fff !important;
    border: none !important;
}

.pdp-buy-now:hover {
    opacity: 0.9;
}

.product-add-to-cart {
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.product-add-to-cart .btn {
    flex: 1;
    min-width: 140px;
}

/* Trust Badges */
.pdp-trust-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-gray-200);
}

.pdp-trust-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.78rem;
    color: var(--color-gray-600);
    background: var(--color-gray-50, #f9fafb);
    padding: 6px 12px;
    border-radius: var(--radius-full);
    border: 1px solid var(--color-gray-200);
}

.pdp-trust-badge i {
    color: var(--color-accent);
    font-size: 0.85rem;
}

/* Tabs header tweak */
.product-tabs-header {
    display: flex;
    border-bottom: 2px solid var(--color-gray-200);
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
    overflow-x: auto;
}

/* ========== PDP Responsive ========== */
@media (max-width: 768px) {
    .pdp-breadcrumb {
        padding: var(--space-md) 0;
        font-size: 0.78rem;
    }

    .pdp-gallery-arrow {
        width: 34px;
        height: 34px;
        font-size: 0.8rem;
    }

    .pdp-gallery-prev { left: 8px; }
    .pdp-gallery-next { right: 8px; }

    .pdp-thumbs {
        grid-template-columns: repeat(5, 1fr);
        gap: 6px;
    }

    .pdp-meta-grid {
        gap: 12px;
        padding: var(--space-sm);
    }

    .pdp-trust-badges {
        gap: 8px;
    }

    .pdp-trust-badge {
        font-size: 0.72rem;
        padding: 5px 10px;
    }

    .product-add-to-cart .btn {
        min-width: 0;
        flex: 1 1 100%;
    }
}

@media (max-width: 480px) {
    .pdp-thumbs {
        grid-template-columns: repeat(4, 1fr);
        gap: 4px;
    }

    .pdp-trust-badges {
        flex-direction: column;
    }

    .pdp-trust-badge {
        width: 100%;
    }
}