/* Product Page Styles — читаемая вёрстка и типографика */

.page-product .product-section {
    max-width: 100%;
}

.breadcrumb-bar {
    background: var(--gray-50);
    padding: 16px 0;
    border-bottom: 1px solid var(--gray-100);
}

.breadcrumb-bar .breadcrumb {
    justify-content: flex-start;
}

.product-section {
    padding: 32px 0 72px;
}

.product-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 60px;
    margin-bottom: 60px;
    min-width: 0;
}

/* Gallery */
.product-gallery {
    position: sticky;
    top: 100px;
    align-self: start;
    min-width: 0;
    max-width: 100%;
}

.gallery-main {
    position: relative;
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: 16px;
    max-width: 100%;
}

.gallery-main img {
    display: block;
    width: 100%;
    max-width: 100%;
    height: auto;
    aspect-ratio: 1;
    object-fit: cover;
}

.product-gallery-placeholder {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem;
    font-size: 15px;
    font-weight: 500;
    color: var(--gray-500);
    background: linear-gradient(145deg, var(--gray-100), var(--gray-50));
}

.gallery-thumbs {
    display: flex;
    gap: 12px;
    max-width: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    overscroll-behavior-x: contain;
    padding-bottom: 4px;
    scrollbar-width: thin;
}

.thumb {
    width: 80px;
    height: 80px;
    border-radius: var(--radius);
    overflow: hidden;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition-fast);
}

.thumb:hover {
    border-color: var(--gray-300);
}

.thumb.active {
    border-color: var(--primary);
}

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

/* Product Info */
.product-info-main {
    padding-top: 12px;
    max-width: 560px;
    min-width: 0;
}

.product-top-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem 0.65rem;
    margin-bottom: 0.75rem;
}

.product-brand-tag {
    display: inline-block;
    padding: 6px 14px;
    background: var(--gray-100);
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 600;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
}

.product-collection-pill {
    display: inline-block;
    padding: 6px 12px;
    background: rgba(249, 115, 22, 0.1);
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: 700;
    color: var(--primary-dark);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    vertical-align: middle;
    margin-bottom: 0;
}

.product-title {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3.2vw, 2rem);
    font-weight: 600;
    color: var(--secondary);
    line-height: 1.28;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

.product-meta {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-bottom: 18px;
}

.rating {
    display: flex;
    align-items: center;
    gap: 8px;
}

.stars {
    color: var(--accent);
    font-size: 14px;
}

.rating-count {
    font-size: 14px;
    color: var(--gray-500);
}

.sku {
    font-size: 14px;
    color: var(--gray-500);
}

.product-price-block {
    margin-bottom: 16px;
}

.price-main {
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.price-main .price-current {
    font-size: clamp(1.75rem, 4vw, 2.25rem);
    font-weight: 700;
    color: var(--primary-dark);
    font-variant-numeric: tabular-nums;
}

.price-unit {
    font-size: 16px;
    color: var(--gray-500);
}

.price-old-block {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 8px;
}

.price-old-block .price-old {
    font-size: 20px;
    color: var(--gray-400);
    text-decoration: line-through;
}

.discount-badge {
    padding: 4px 10px;
    background: var(--accent-red);
    color: var(--white);
    font-size: 13px;
    font-weight: 600;
    border-radius: var(--radius-full);
}

.stock-status {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius-full);
    margin-bottom: 24px;
}

.stock-status.in-stock {
    background: rgba(34, 197, 94, 0.1);
    color: var(--success);
}

.stock-status.out-of-stock {
    background: rgba(220, 38, 38, 0.08);
    color: var(--accent-red);
}

/* Calculator */
.area-calculator {
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 24px;
}

.area-calculator h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 16px;
}

.calc-inputs {
    display: flex;
    align-items: flex-end;
    gap: 24px;
}

.calc-field {
    flex: 1;
}

.calc-field label {
    display: block;
    font-size: 13px;
    color: var(--gray-500);
    margin-bottom: 8px;
}

.calc-field input {
    width: 100%;
    padding: 12px 16px;
    font-size: 16px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    outline: none;
    transition: var(--transition-fast);
}

.calc-field input:focus {
    border-color: var(--primary);
}

.calc-result {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.calc-label {
    font-size: 13px;
    color: var(--gray-500);
    margin-bottom: 4px;
}

.calc-total {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
}

/* Actions */
.product-actions-main {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
    margin-bottom: 24px;
}

.product-page-cta-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    width: 100%;
}

.product-page-cta-row .btn {
    min-height: 52px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.product-page-cta-row .add-to-cart-main [data-lucide] {
    width: 20px;
    height: 20px;
}

.quantity-control {
    display: flex;
    align-items: center;
    gap: 4px;
    background: var(--gray-100);
    border-radius: var(--radius);
    padding: 4px;
}

.qty-btn {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    border-radius: var(--radius-sm);
    font-size: 20px;
    font-weight: 500;
    color: var(--gray-700);
    transition: var(--transition-fast);
}

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

.quantity-control input {
    width: 60px;
    text-align: center;
    font-size: 16px;
    font-weight: 600;
    border: none;
    background: transparent;
    outline: none;
}

.qty-unit {
    font-size: 14px;
    color: var(--gray-500);
    padding-right: 12px;
}

.product-pack-hint {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 12px;
    border: 1px solid var(--gray-100);
    border-radius: 12px;
    background: #fbfbfc;
    font-size: 13px;
    color: var(--gray-700);
}

.product-pack-hint strong {
    color: var(--secondary);
    font-weight: 700;
}

.product-pack-needed {
    color: var(--gray-600);
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

.add-to-cart-main {
    flex: 1;
    width: auto;
}

/* Features */
.product-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 24px;
}

.feature {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--gray-700);
}

.feature svg {
    color: var(--success);
    flex-shrink: 0;
}

/* Quick Info */
.quick-info {
    display: flex;
    gap: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--gray-100);
}

.info-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.info-item svg {
    color: var(--primary);
}

.info-item div {
    display: flex;
    flex-direction: column;
}

.info-item strong {
    font-size: 14px;
    font-weight: 600;
    color: var(--secondary);
}

.info-item span {
    font-size: 13px;
    color: var(--gray-500);
}

/* Tabs */
.product-tabs-wrap {
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--gray-100);
}

.product-tabs-heading {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--secondary);
    margin: 0 0 1rem;
    letter-spacing: -0.02em;
}

.product-tabs {
    margin-bottom: 48px;
}

.tab-pane-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--secondary);
    margin: 0 0 0.75rem;
}

.tabs-nav {
    display: flex;
    gap: 4px;
    padding: 4px;
    background: var(--gray-100);
    border-radius: var(--radius);
    margin-bottom: 32px;
}

.tabs-nav .tab-btn {
    flex: 1;
    padding: 14px 24px;
    font-size: 15px;
    font-weight: 500;
    color: var(--gray-600);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.tabs-nav .tab-btn:hover {
    color: var(--gray-800);
}

.tabs-nav .tab-btn.active {
    background: var(--white);
    color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

.tab-pane h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 12px;
}

.tab-pane p {
    font-size: 15px;
    line-height: 1.75;
    color: var(--gray-700);
    margin-bottom: 14px;
}

.product-description-fallback {
    font-size: 15px;
    line-height: 1.75;
    color: var(--gray-600);
    margin: 0;
}

/* Текст описания из админки: списки, абзацы, ссылки */
.product-description-body {
    font-size: 15px;
    line-height: 1.75;
    color: var(--gray-800);
    max-width: 100%;
}

.product-description-body p {
    margin: 0 0 1em;
    max-width: none;
}

.product-description-body p:last-child {
    margin-bottom: 0;
}

.product-description-body ul,
.product-description-body ol {
    margin: 0 0 1em;
    padding-left: 1.35em;
}

.product-description-body li {
    margin-bottom: 0.35em;
}

.product-description-body a {
    color: var(--primary-dark);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.product-description-body a:hover {
    color: var(--primary);
}

.product-description-body strong {
    font-weight: 600;
    color: var(--secondary);
}

.tab-pane {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.specs-table-wrap {
    border: 1px solid var(--gray-100);
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 1rem;
}

.specs-table-wrap--scroll {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.specs-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
}

.specs-table tr {
    border-bottom: 1px solid var(--gray-100);
}

.specs-table tr:last-child {
    border-bottom: none;
}

.specs-table th,
.specs-table td {
    padding: 12px 16px;
    font-size: 14px;
    text-align: left;
    vertical-align: top;
}

.specs-table th {
    color: var(--gray-500);
    font-weight: 500;
    width: 38%;
    background: var(--gray-50);
}

.specs-table td {
    color: var(--secondary);
    font-weight: 500;
}

.specs-raw-heading {
    margin: 28px 0 8px;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--secondary);
}

.specs-raw-note {
    margin: 0 0 12px;
    font-size: 14px;
    color: var(--gray-500);
    line-height: 1.5;
}

.specs-table-raw {
    margin-top: 0;
}

.review {
    padding: 20px;
    background: var(--gray-50);
    border-radius: var(--radius);
    margin-bottom: 16px;
}

.review-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 12px;
}

.review-header strong {
    font-size: 15px;
    color: var(--secondary);
}

.review-date {
    font-size: 13px;
    color: var(--gray-500);
}

.review-rating {
    color: var(--accent);
    font-size: 14px;
}

.review p {
    margin: 0;
}

/* Related Section */
.related-section {
    margin-top: 48px;
    padding-top: 2rem;
    border-top: 1px solid var(--gray-100);
}

.related-section .section-title {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 600;
    margin: 0 0 1.25rem;
    color: var(--secondary);
    letter-spacing: -0.02em;
}

.related-products-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.25rem;
}

/* Responsive */
@media (max-width: 992px) {
    .product-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .product-gallery {
        position: static;
    }
    
    .related-products-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    .product-features {
        grid-template-columns: 1fr;
    }

    .quick-info {
        flex-direction: column;
        gap: 16px;
    }

    .tabs-nav {
        flex-direction: row;
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        gap: 8px;
        padding-bottom: 8px;
        scrollbar-width: thin;
    }

    .tabs-nav .tab-btn {
        flex-shrink: 0;
        white-space: nowrap;
        min-height: 48px;
        padding: 12px 18px;
    }

    .product-page-cta-row {
        grid-template-columns: 1fr;
    }

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

    .product-pack-hint {
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
    }

    .add-to-cart-main,
    .buy-now-main {
        width: 100%;
        min-height: 52px;
    }

    .gallery-thumbs {
        gap: 8px;
        padding-bottom: 4px;
    }

    .thumb {
        min-width: 64px;
        min-height: 64px;
    }
}

@media (max-width: 576px) {
    .related-products-grid {
        grid-template-columns: 1fr;
    }
}

.tab-btn:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}