.single-product-page { padding: 40px 0 80px; }
.breadcrumb {
    display: flex; gap: 8px; align-items: center;
    font-size: 13px; color: var(--text-muted); margin-bottom: 32px;
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span { opacity: 0.4; }
.product-layout {
    display: grid; grid-template-columns: 1fr 1fr; gap: 48px; margin-bottom: 48px;
}
.product-gallery { position: relative; border-radius: var(--radius-lg); overflow: hidden; background: rgba(255,255,255,0.02); }
.product-gallery .woocommerce-product-gallery__image img { width: 100%; border-radius: var(--radius-lg); }
.product-gallery .product-card__badge { position: absolute; top: 16px; left: 16px; z-index: 2; }
.product-title { font-size: 32px; margin-bottom: 16px; }
.product-price { font-size: 28px; margin-bottom: 20px; }
.product-price .woocommerce-Price-amount { font-size: 28px; }
.product-short-desc { color: var(--text-muted); line-height: 1.8; margin-bottom: 28px; font-size: 15px; }
.product-short-desc p { margin-bottom: 12px; }
.out-of-stock-notice {
    padding: 16px 20px; border-radius: var(--radius-sm);
    background: rgba(239,68,68,0.08); border: 1px solid rgba(239,68,68,0.2);
    color: var(--error); font-weight: 500;
}
.product-meta { margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--border); }
.meta-item { font-size: 13px; color: var(--text-muted); margin-bottom: 8px; }
.meta-item span { font-weight: 600; }
.meta-item a { color: var(--text-muted); }
.meta-item a:hover { color: var(--accent); }

/* Quantity + add to cart row */
.product-details .cart { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.product-details .quantity { flex-shrink: 0; }

/* Related products */
.related.products { margin-top: 64px; }
.related.products h2 { font-size: 24px; margin-bottom: 24px; }
.related.products .products { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; list-style: none; padding: 0; }

@media (max-width: 768px) {
    .product-layout { grid-template-columns: 1fr; gap: 24px; }
    .related.products .products { grid-template-columns: repeat(2, 1fr); }
}