.entry-product.product-detail {
    margin-bottom: 2rem;
}

.product-detail__layout {
    align-items: flex-start;
    row-gap: 1.5rem;
}

.product-detail__media {
    position: sticky;
    top: 1.25rem;
}

.product-detail__gallery-wrap {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.product-detail__featured-wrap {
    position: relative;
}

.product-detail__featured {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    aspect-ratio: 1 / 1;
    margin: 0;
    padding: 0;
    border: 1px solid #e8ecf1;
    border-radius: 16px;
    overflow: hidden;
    background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
    box-shadow: 0 4px 24px rgba(15, 23, 42, 0.06);
    cursor: zoom-in;
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.product-detail__featured:hover {
    box-shadow: 0 8px 28px rgba(15, 23, 42, 0.1);
}

.product-detail__featured-img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: var(--product-detail-image-fit, contain);
    transition: opacity 0.25s ease, transform 0.28s ease;
}

.product-detail__featured-img.is-swapping {
    opacity: 0.65;
}

.product-detail__gallery-wrap--slide .product-detail__featured-img {
    will-change: transform, opacity;
}

.product-detail__gallery-wrap--slide .product-detail__featured-img.is-exit-to-left {
    transform: translateX(-18%);
    opacity: 0;
}

.product-detail__gallery-wrap--slide .product-detail__featured-img.is-exit-to-right {
    transform: translateX(18%);
    opacity: 0;
}

.product-detail__gallery-wrap--slide .product-detail__featured-img.is-enter-from-left {
    transform: translateX(-18%);
    opacity: 0;
}

.product-detail__gallery-wrap--slide .product-detail__featured-img.is-enter-from-right {
    transform: translateX(18%);
    opacity: 0;
}

.product-detail__gallery-nav {
    position: absolute;
    top: 50%;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    margin: 0;
    padding: 0;
    border: 0;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.92);
    color: #1f2937;
    box-shadow: 0 2px 12px rgba(15, 23, 42, 0.12);
    cursor: pointer;
    transform: translateY(-50%);
    transition: background 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.product-detail__gallery-nav:hover {
    background: var(--tgwv-color-light);
    box-shadow: 0 4px 16px rgba(15, 23, 42, 0.16);
}

.product-detail__gallery-nav--prev {
    left: 0.75rem;
}

.product-detail__gallery-nav--next {
    right: 0.75rem;
}

.product-detail__dots {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.product-detail__dot {
    width: 0.55rem;
    height: 0.55rem;
    margin: 0;
    padding: 0;
    border: 0;
    border-radius: 999px;
    background: #cbd5e1;
    cursor: pointer;
    transition: background 0.2s ease, transform 0.2s ease, width 0.2s ease;
}

.product-detail__dot:hover {
    background: #94a3b8;
}

.product-detail__dot.is-active {
    width: 1.35rem;
    /* Theme settings → Primary → --tgwv-brand */
    background: var(--tgwv-brand, #000000);
}

.product-detail--fit-cover {
    --product-detail-image-fit: cover;
}

.product-detail--fit-contain {
    --product-detail-image-fit: contain;
}

.product-detail__thumbs {
    display: flex;
    flex-wrap: nowrap;
    gap: 0.75rem;
    overflow-x: auto;
    padding-bottom: 0.25rem;
    scrollbar-width: thin;
}

.product-detail__gallery-item {
    flex: 0 0 80px;
    width: 80px;
    height: 80px;
    margin: 0;
    padding: 0;
    border: 2px solid transparent;
    border-radius: 12px;
    overflow: hidden;
    background: var(--tgwv-color-light);
    box-shadow: 0 1px 4px rgba(15, 23, 42, 0.08);
    cursor: pointer;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.product-detail__gallery-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.12);
}

.product-detail__gallery-item.is-active {
    /* Theme settings → Primary → --tgwv-brand */
    border-color: var(--tgwv-brand, #000000);
    box-shadow: 0 0 0 3px rgba(var(--tgwv-brand-rgb, 0, 0, 0), 0.15);
}

.product-detail__gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.product-detail__summary {
    padding: 0.25rem 0;
}

.product-detail__badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-bottom: 0.75rem;
}

.product-badge {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    line-height: 1.4;
}

.product-badge--new {
    background: #e8f5e9;
    color: #2e7d32;
}

.product-badge--hot {
    background: #fff3e0;
    color: #ef6c00;
}

.product-badge--sale {
    background: #fdecea;
    color: #c62828;
}

.product-detail__title {
    margin-bottom: 0.5rem;
}

.product-detail__sku {
    color: #6b7280;
    font-size: 14px;
    margin-bottom: 0.75rem;
}

.product-detail__meta-label {
    font-weight: 600;
}

.product-detail__pricing {
    display: flex;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 0.5rem 0.75rem;
    margin-bottom: 1rem;
}

.product-detail__price {
    font-size: 24px;
    font-weight: 700;
    color: var(--tgwv-brand);
}

.product-detail__compare-price {
    font-size: 16px;
    color: #9ca3af;
    text-decoration: line-through;
}

.product-detail__short {
    margin-bottom: 1rem;
    color: #374151;
    line-height: 1.65;
}

.product-detail__buy-box {
    margin-top: 1.25rem;
    padding: 1.25rem 1.35rem;
    border: 1px solid #e8ecf1;
    border-radius: 16px;
    background: linear-gradient(180deg, #fafbfc 0%, #f4f6f9 100%);
    box-shadow: 0 4px 20px rgba(15, 23, 42, 0.04);
}

.product-detail__stock-row {
    margin-bottom: 1rem;
}

.product-detail__stock-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 600;
    line-height: 1.3;
}

.product-detail__stock-badge--in {
    /* Theme settings → Primary → --tgwv-brand */
    color: var(--tgwv-brand, #000000);
    background: rgba(var(--tgwv-brand-rgb, 0, 0, 0), 0.1);
}

.product-detail__stock-badge--in::before {
    content: '';
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 999px;
    background: var(--tgwv-brand, #000000);
}

.product-detail__stock-badge--out {
    color: #b91c1c;
    background: #fee2e2;
}

.product-detail__buy-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;
    gap: 0.75rem;
}

.product-detail__qty-stepper {
    display: inline-flex;
    align-items: stretch;
    flex: 0 0 auto;
    border: 1px solid #d1d5db;
    border-radius: 12px;
    overflow: hidden;
    background: var(--tgwv-color-light);
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}

.product-detail__qty-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    margin: 0;
    padding: 0;
    border: 0;
    background: #f8fafc;
    color: #374151;
    font-size: 18px;
    font-weight: 600;
    line-height: 1;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease;
}

.product-detail__qty-btn:hover {
    background: rgba(var(--tgwv-brand-rgb, 0, 0, 0), 0.08);
    color: var(--tgwv-brand, #000000);
}

.product-detail__qty-btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.product-detail__qty-input {
    width: 3.25rem;
    margin: 0;
    padding: 0.65rem 0.25rem;
    border: 0;
    border-left: 1px solid #e5e7eb;
    border-right: 1px solid #e5e7eb;
    background: var(--tgwv-color-light);
    color: var(--tgwv-color-dark, #000000);
    font-size: 16px;
    font-weight: 600;
    text-align: center;
    -moz-appearance: textfield;
    appearance: textfield;
}

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

.product-detail__add-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    flex: 1 1 12rem;
    min-height: 3rem;
    margin: 0;
    padding: 0.75rem 1.35rem;
    border: 0;
    border-radius: 12px;
    /* Theme settings → Primary → --tgwv-brand */
    background: linear-gradient(
        135deg,
        var(--tgwv-brand, #000000) 0%,
        color-mix(in srgb, var(--tgwv-brand, #000000) 82%, #000000) 100%
    );
    color: var(--tgwv-color-light);
    font-size: 16px;
    font-weight: 700;
    line-height: 1.2;
    cursor: pointer;
    box-shadow: 0 6px 18px rgba(var(--tgwv-brand-rgb, 0, 0, 0), 0.28);
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, opacity 0.2s ease;
}

.product-detail__add-btn:hover {
    background: linear-gradient(
        135deg,
        color-mix(in srgb, var(--tgwv-brand, #000000) 88%, #000000) 0%,
        color-mix(in srgb, var(--tgwv-brand, #000000) 72%, #000000) 100%
    );
    box-shadow: 0 8px 22px rgba(var(--tgwv-brand-rgb, 0, 0, 0), 0.34);
    transform: translateY(-1px);
}

.product-detail__add-btn:active {
    transform: translateY(0);
}

.product-detail__add-btn:disabled {
    opacity: 0.72;
    cursor: wait;
    transform: none;
}

.product-detail__add-btn-icon {
    display: inline-flex;
    flex-shrink: 0;
}

.product-detail__buy-hint {
    margin: 0.85rem 0 0;
    font-size: 14px;
}

.product-detail__cart-link {
    /* Theme settings → Primary → --tgwv-brand */
    color: var(--tgwv-brand, #000000);
    font-weight: 600;
    text-decoration: none;
}

.product-detail__cart-link:hover {
    color: color-mix(in srgb, var(--tgwv-brand, #000000) 78%, #000000);
    text-decoration: underline;
}

.product-detail__stock {
    font-size: 15px;
    margin-bottom: 0;
}

.product-detail__stock--in {
    color: var(--tgwv-brand, #000000);
}

.product-detail__stock--out {
    color: #c62828;
}

.product-detail__content {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid #e5e7eb;
}

.product-detail__content-title,
.related-products__title {
    margin: 0 0 1.25rem;
    padding-left: 0.85rem;
    border-left: 4px solid var(--tgwv-brand, var(--tgwv-color-dark, #1a1a1a));
    border-bottom: 0;
    padding-bottom: 0;
    display: block;
    font-size: 24px;
    font-weight: 700;
    line-height: 1.3;
    color: var(--tgwv-entry-title-color, var(--tgwv-color-dark, #1a1a1a));
}

/* Lightbox */
body.product-gallery-lightbox-open {
    overflow: hidden;
}

.product-gallery-lightbox[hidden] {
    display: none !important;
}

.product-gallery-lightbox {
    position: fixed;
    inset: 0;
    z-index: 1080;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.28s ease, visibility 0.28s ease;
}

.product-gallery-lightbox.is-open {
    opacity: 1;
    visibility: visible;
}

.product-gallery-lightbox__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.82);
    opacity: 0;
    transition: opacity 0.28s ease;
}

.product-gallery-lightbox.is-open .product-gallery-lightbox__backdrop {
    opacity: 1;
}

.product-gallery-lightbox__dialog {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    padding: 3rem 4rem;
    box-sizing: border-box;
    pointer-events: none;
}

.product-gallery-lightbox__viewport {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: min(96vw, 1040px);
    max-width: 100%;
    pointer-events: auto;
}

.product-gallery-lightbox__stage {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: min(92vw, 960px);
    height: min(80vh, 720px);
    overflow: hidden;
}

.product-gallery-lightbox__spinner {
    position: absolute;
    width: 2.25rem;
    height: 2.25rem;
    border: 2px solid rgba(255, 255, 255, 0.25);
    border-top-color: var(--tgwv-color-light);
    border-radius: 50%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
    animation: product-gallery-lightbox-spin 0.7s linear infinite;
}

.product-gallery-lightbox__stage.is-loading .product-gallery-lightbox__spinner {
    opacity: 1;
    visibility: visible;
}

@keyframes product-gallery-lightbox-spin {
    to {
        transform: rotate(360deg);
    }
}

.product-gallery-lightbox__img {
    max-width: 100%;
    max-height: 100%;
    object-fit: var(--product-detail-image-fit, contain);
    border-radius: 8px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
    opacity: 0;
    transform: scale(0.97);
    transition: opacity 0.28s ease, transform 0.28s ease;
    will-change: opacity, transform;
}

.product-gallery-lightbox__img.is-loaded {
    opacity: 1;
    transform: scale(1);
}

.product-gallery-lightbox--effect-fade .product-gallery-lightbox__img {
    transition: opacity 0.28s ease, transform 0.28s ease;
}

.product-gallery-lightbox--effect-fade .product-gallery-lightbox__img.is-loaded {
    opacity: 1;
    transform: scale(1);
}

.product-gallery-lightbox--effect-none,
.product-gallery-lightbox--effect-none .product-gallery-lightbox__backdrop,
.product-gallery-lightbox--effect-none .product-gallery-lightbox__img,
.product-gallery-lightbox--effect-none .product-gallery-lightbox__close,
.product-gallery-lightbox--effect-none .product-gallery-lightbox__nav {
    transition: none !important;
}

.product-gallery-lightbox--effect-none .product-gallery-lightbox__img {
    opacity: 1;
    transform: none;
}

.product-gallery-lightbox--effect-none .product-gallery-lightbox__img.is-loaded {
    opacity: 1;
    transform: none;
}

.product-gallery-lightbox--effect-slide .product-gallery-lightbox__img {
    transition: opacity 0.32s ease, transform 0.32s ease;
    transform: translate3d(0, 0, 0) scale(1);
}

.product-gallery-lightbox--effect-slide .product-gallery-lightbox__img.is-loaded {
    opacity: 1;
    transform: translate3d(0, 0, 0) scale(1);
}

/* Trạng thái slide phải đứng sau .is-loaded và specificity cao hơn */
.product-gallery-lightbox--effect-slide .product-gallery-lightbox__img.is-slide-out-left,
.product-gallery-lightbox--effect-slide .product-gallery-lightbox__img.is-loaded.is-slide-out-left {
    opacity: 0;
    transform: translate3d(-32%, 0, 0) scale(0.96);
}

.product-gallery-lightbox--effect-slide .product-gallery-lightbox__img.is-slide-out-right,
.product-gallery-lightbox--effect-slide .product-gallery-lightbox__img.is-loaded.is-slide-out-right {
    opacity: 0;
    transform: translate3d(32%, 0, 0) scale(0.96);
}

.product-gallery-lightbox--effect-slide .product-gallery-lightbox__img.is-slide-in-left,
.product-gallery-lightbox--effect-slide .product-gallery-lightbox__img.is-loaded.is-slide-in-left {
    opacity: 0;
    transform: translate3d(-32%, 0, 0) scale(0.96);
}

.product-gallery-lightbox--effect-slide .product-gallery-lightbox__img.is-slide-in-right,
.product-gallery-lightbox--effect-slide .product-gallery-lightbox__img.is-loaded.is-slide-in-right {
    opacity: 0;
    transform: translate3d(32%, 0, 0) scale(0.96);
}

.product-gallery-lightbox__close,
.product-gallery-lightbox__nav {
    position: absolute;
    z-index: 5;
    border: 0;
    background: rgba(15, 23, 42, 0.55);
    color: var(--tgwv-color-light);
    cursor: pointer;
    opacity: 0;
    transform: translateY(4px);
    transition: background 0.2s ease, opacity 0.28s ease, transform 0.28s ease;
    pointer-events: auto;
}

.product-gallery-lightbox__close {
    top: 1rem;
    right: 1rem;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 999px;
    font-size: 24px;
    line-height: 1;
    z-index: 6;
}

.product-gallery-lightbox.is-open .product-gallery-lightbox__close {
    opacity: 1;
    transform: translateY(0);
}

.product-gallery-lightbox__nav {
    top: 50%;
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 999px;
    font-size: 20px;
    transform: translateY(calc(-50% + 4px));
}

.product-gallery-lightbox.is-open .product-gallery-lightbox__nav {
    opacity: 1;
    transform: translateY(-50%);
}

.product-gallery-lightbox__close:hover,
.product-gallery-lightbox__nav:hover {
    background: rgba(15, 23, 42, 0.72);
}

.product-gallery-lightbox__nav--prev {
    left: 0;
}

.product-gallery-lightbox__nav--next {
    right: 0;
}

.product-gallery-lightbox__nav[hidden] {
    display: none !important;
}

@media (prefers-reduced-motion: reduce) {
    .product-gallery-lightbox,
    .product-gallery-lightbox__backdrop,
    .product-gallery-lightbox__img,
    .product-gallery-lightbox__close,
    .product-gallery-lightbox__nav,
    .product-gallery-lightbox__spinner,
    .product-detail__featured-img,
    .product-detail__gallery-nav,
    .product-detail__dot {
        transition: none !important;
        animation: none !important;
    }

    .product-detail__featured-img.is-exit-to-left,
    .product-detail__featured-img.is-exit-to-right,
    .product-detail__featured-img.is-enter-from-left,
    .product-detail__featured-img.is-enter-from-right {
        transform: none;
        opacity: 1;
    }

    .product-gallery-lightbox__img {
        transform: none;
    }

    .product-gallery-lightbox__img.is-loaded {
        transform: none;
    }
}

/* Sản phẩm liên quan */
.related-products.product-related-section {
    margin-top: 3rem;
    padding-top: 2.5rem;
    border-top: 1px solid #e8ecf1;
}

.related-products__title {
    margin-bottom: 1.5rem;
}

.related-products__grid {
    --tgwv-product-list-gap: 1.25rem;
}

@media (max-width: 991.98px) {
    .product-detail__media {
        position: static;
    }
}

@media (max-width: 575.98px) {
    .product-gallery-lightbox__dialog {
        padding: 2.5rem 1rem;
    }

    .product-gallery-lightbox__viewport {
        width: 100%;
    }

    .product-gallery-lightbox__nav--prev {
        left: 0.25rem;
    }

    .product-gallery-lightbox__nav--next {
        right: 0.25rem;
    }

    .product-detail__gallery-nav {
        width: 2.25rem;
        height: 2.25rem;
    }

    .product-detail__gallery-nav--prev {
        left: 0.5rem;
    }

    .product-detail__gallery-nav--next {
        right: 0.5rem;
    }
}