/* Product Detail Page Styles */

.breadcrumb { background: var(--gray-100); padding: 14px 0; border-bottom: 1px solid #e5e5e5; }
.breadcrumb-list { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; list-style: none; padding: 0; margin: 0; }
.breadcrumb-list li { font-size: 0.88rem; color: var(--gray-500); }
.breadcrumb-list li + li::before { content: '/'; margin-right: 8px; color: var(--gray-300); }
.breadcrumb-list a { color: var(--gray-700); }
.breadcrumb-list a:hover { color: var(--red); }
.breadcrumb-list li:last-child { color: var(--black); font-weight: 500; }

.product-detail { padding: 40px 0 60px; }
.product-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; margin-bottom: 48px; }

.product-detail-img {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--gray-100);
}
.product-detail-img img { width: 100%; height: auto; display: block; }
.product-detail-img .product-badge {
    position: absolute; top: 16px; left: 16px;
    background: var(--red); color: white; padding: 6px 16px;
    border-radius: 50px; font-size: 0.82rem; font-weight: 600;
}

.product-detail-cat {
    display: inline-flex; align-items: center; gap: 6px;
    color: var(--red); font-size: 0.88rem; font-weight: 600;
    margin-bottom: 8px;
}
.product-detail-info h1 {
    font-family: var(--font-heading); font-size: 2rem; font-weight: 700;
    color: var(--black); margin-bottom: 8px; line-height: 1.2;
}
.product-detail-sku { font-size: 0.85rem; color: var(--gray-500); margin-bottom: 16px; }
.product-detail-short { font-size: 1.05rem; color: var(--gray-700); line-height: 1.7; margin-bottom: 24px; }

.product-detail-actions { display: flex; gap: 12px; align-items: center; margin-bottom: 24px; flex-wrap: wrap; }
.product-detail-actions .quantity-control { border: 2px solid var(--gray-300); }
.product-detail-actions .qty-btn { width: 44px; height: 44px; font-size: 1.2rem; }
.product-detail-actions .qty-input { width: 60px; height: 44px; font-size: 1rem; }

.product-detail-trust { display: flex; flex-direction: column; gap: 8px; padding: 20px; background: var(--gray-100); border-radius: var(--radius-md); }
.product-detail-trust span { display: flex; align-items: center; gap: 10px; font-size: 0.9rem; color: var(--gray-700); }
.product-detail-trust i { color: var(--red); width: 20px; text-align: center; }

/* Tabs */
.product-tabs { margin-bottom: 48px; }
.tab-buttons { display: flex; gap: 0; border-bottom: 2px solid var(--gray-100); margin-bottom: 24px; }
.tab-btn {
    padding: 12px 24px; border: none; background: none;
    font-family: var(--font-main); font-size: 0.95rem; font-weight: 600;
    color: var(--gray-500); cursor: pointer; border-bottom: 2px solid transparent;
    margin-bottom: -2px; transition: all 0.2s;
}
.tab-btn:hover { color: var(--red); }
.tab-btn.active { color: var(--red); border-bottom-color: var(--red); }
.tab-content { display: none; }
.tab-content.active { display: block; }

.product-description p { color: var(--gray-700); font-size: 0.95rem; line-height: 1.8; margin-bottom: 16px; }

.specs-table { width: 100%; border-collapse: collapse; }
.specs-table td { padding: 12px 16px; font-size: 0.92rem; border-bottom: 1px solid var(--gray-100); }
.specs-table td:first-child { color: var(--gray-500); width: 40%; }
.specs-table td:last-child { color: var(--black); }
.specs-table tr:hover { background: var(--red-bg); }

.applications-list { padding: 0; }
.applications-list li {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 0; font-size: 0.95rem; color: var(--gray-700);
    border-bottom: 1px solid var(--gray-100);
}
.applications-list i { color: var(--red); font-size: 0.85rem; }

/* Related */
.related-products { margin-bottom: 48px; }
.related-products h2 { font-family: var(--font-heading); font-size: 1.5rem; margin-bottom: 20px; color: var(--black); }
.related-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.related-card {
    background: var(--white); border: 1px solid var(--gray-100);
    border-radius: var(--radius-md); overflow: hidden;
    transition: all 0.2s; text-align: center; padding-bottom: 12px;
}
.related-card:hover { border-color: var(--red); transform: translateY(-2px); box-shadow: var(--shadow-md); color: var(--black); }
.related-card img { width: 100%; height: 150px; object-fit: cover; }
.related-card span { display: block; padding: 8px 12px; font-size: 0.88rem; font-weight: 500; color: var(--black); }

/* CTA */
.product-cta {
    text-align: center; padding: 40px; background: var(--black);
    border-radius: var(--radius-lg); color: white;
}
.product-cta h2 { font-family: var(--font-heading); font-size: 1.5rem; margin-bottom: 12px; }
.product-cta p { color: rgba(255,255,255,0.7); margin-bottom: 24px; font-size: 0.95rem; }

@media (max-width: 768px) {
    .product-detail { padding: 24px 0 40px; }
    .product-detail-grid { grid-template-columns: 1fr; gap: 24px; }
    .product-detail-info h1 { font-size: 1.4rem; }
    .product-detail-short { font-size: 0.95rem; }
    .product-detail-actions { flex-direction: column; }
    .product-detail-actions .btn { width: 100%; justify-content: center; }
    .product-detail-actions .quantity-control { width: 100%; justify-content: center; }
    .product-detail-actions .qty-input { flex: 1; }
    .related-grid { grid-template-columns: repeat(2, 1fr); }
    .tab-btn { padding: 10px 14px; font-size: 0.82rem; }
    .tab-buttons { overflow-x: auto; -webkit-overflow-scrolling: touch; flex-wrap: nowrap; }
    .specs-table td { padding: 10px 12px; font-size: 0.85rem; }
    .specs-table td:first-child { width: 45%; }
    .product-cta { padding: 28px 20px; }
    .product-cta h2 { font-size: 1.2rem; }
}
@media (max-width: 480px) {
    .product-detail-info h1 { font-size: 1.2rem; }
    .related-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
    .related-card img { height: 120px; }
    .related-card span { font-size: 0.8rem; padding: 6px 8px; }
    .breadcrumb-list { font-size: 0.8rem; }
    .product-detail-sku { font-size: 0.78rem; }
    .product-detail-trust span { font-size: 0.82rem; }
}