.single-product-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    padding: var(--space-xl) 0;
}

/* --- Gallery --- */
.product-gallery {
    position: sticky;
    top: calc(var(--header-height) + var(--space-lg));
    min-width: 0;
}

.product-gallery__main {
    position: relative;
    aspect-ratio: 1;
    background-color: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: zoom-in;
    margin-bottom: var(--space-sm);
    touch-action: pan-y;
}

.product-gallery__nav {
    position: absolute !important;
    top: 50%;
    z-index: 5;
    width: 44px;
    height: 44px;
    display: flex !important;
    align-items: center;
    justify-content: center;
    padding: 0;
    background-color: rgba(255, 255, 255, 0.95) !important;
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: var(--radius-full);
    color: var(--color-text);
    cursor: pointer !important;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.18);
    opacity: 1;
    transform: translateY(-50%) scale(1);
    transition: background-color 180ms ease,
                color 180ms ease,
                box-shadow 220ms ease,
                transform 220ms cubic-bezier(0.18, 0.89, 0.32, 1.28);
    will-change: transform;
}

.product-gallery__nav svg {
    transition: transform 200ms ease;
}

.product-gallery__main:hover .product-gallery__nav {
    opacity: 1;
}

.product-gallery__nav:hover,
.product-gallery__nav:focus-visible {
    background-color: var(--color-primary) !important;
    color: var(--color-text-inverse);
    border-color: var(--color-primary);
    box-shadow: 0 8px 22px rgba(244, 121, 32, 0.45);
    outline: none;
    transform: translateY(-50%) scale(1.08);
}

.product-gallery__nav:active {
    transform: translateY(-50%) scale(0.94);
    transition-duration: 80ms;
}

.product-gallery__nav--prev { left: var(--space-md); }
.product-gallery__nav--next { right: var(--space-md); }

.product-gallery__nav--prev:hover svg {
    animation: tricara-chev-nudge-left 700ms ease-in-out infinite;
}

.product-gallery__nav--next:hover svg {
    animation: tricara-chev-nudge-right 700ms ease-in-out infinite;
}

@keyframes tricara-chev-nudge-left {
    0%, 100% { transform: translateX(0); }
    50%      { transform: translateX(-3px); }
}

@keyframes tricara-chev-nudge-right {
    0%, 100% { transform: translateX(0); }
    50%      { transform: translateX(3px); }
}

@media (prefers-reduced-motion: reduce) {
    .product-gallery__nav,
    .product-gallery__nav svg {
        transition: none;
        animation: none !important;
    }
}

@media (max-width: 640px) {
    .product-gallery__nav {
        width: 38px;
        height: 38px;
    }
    .product-gallery__nav--prev { left: var(--space-sm); }
    .product-gallery__nav--next { right: var(--space-sm); }
}

.product-gallery__main img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: var(--space-md);
}

.product-gallery__thumbs {
    display: flex;
    gap: var(--space-sm);
    overflow-x: auto;
}

.product-gallery__thumb {
    width: 72px;
    height: 72px;
    flex-shrink: 0;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    cursor: pointer;
    transition: border-color var(--transition-fast);
}

.product-gallery__thumb.is-active,
.product-gallery__thumb:hover {
    border-color: var(--color-primary);
}

.product-gallery__thumb img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 4px;
}

/* Fullscreen dialog */
.gallery-fullscreen {
    padding: 0;
    border: none;
    max-width: 90vw;
    max-height: 90vh;
    background: #fff;
    border-radius: var(--radius-md);
}

.gallery-fullscreen::backdrop {
    background-color: rgba(0, 0, 0, 0.8);
}

.gallery-fullscreen img {
    max-width: 90vw;
    max-height: 85vh;
    object-fit: contain;
}

.gallery-fullscreen__close {
    position: absolute;
    top: var(--space-sm);
    right: var(--space-sm);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(0, 0, 0, 0.5);
    color: #fff;
    border-radius: var(--radius-full);
    z-index: 10;
}

/* --- Product Info --- */
.product-info {
    min-width: 0;
    overflow-wrap: break-word;
}

.product-info__brand {
    font-size: var(--text-sm);
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-xs);
}

.product-info__title {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-sm);
}

.product-info__sku {
    font-size: var(--text-sm);
    color: var(--color-text-light);
    margin-bottom: var(--space-md);
}

.product-info__price {
    margin-bottom: var(--space-md);
    padding: var(--space-md);
    background-color: var(--color-bg-alt);
    border-radius: var(--radius-md);
}

.product-info__price .price {
    display: flex;
    align-items: baseline;
    gap: var(--space-md);
}

.product-info__price ins {
    text-decoration: none;
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    color: var(--color-primary);
}

.product-info__price del {
    font-size: var(--text-lg);
    color: var(--color-text-light);
}

.product-info__savings {
    font-size: var(--text-sm);
    color: var(--color-sale);
    font-weight: var(--font-medium);
    margin-top: var(--space-xs);
}

.product-info__stock {
    margin-bottom: var(--space-md);
}

.product-info__cart {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
    align-items: stretch;
}

.product-info__cart .single_add_to_cart_button {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
}

.product-info__cart .single_add_to_cart_button svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

/* WooCommerce stock text inside the add-to-cart form */
.product-info__cart .stock,
.product-info .stock {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: var(--text-sm);
    font-weight: var(--font-bold);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    margin: 0;
    white-space: nowrap;
    align-self: center;
}

.product-info__cart .stock::before,
.product-info .stock::before {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: var(--radius-full);
    flex-shrink: 0;
}

.product-info__cart .stock.in-stock,
.product-info .stock.in-stock {
    color: var(--color-success);
    background-color: rgba(39, 174, 96, 0.1);
}

.product-info__cart .stock.in-stock::before,
.product-info .stock.in-stock::before {
    background-color: var(--color-success);
}

.product-info__cart .stock.out-of-stock,
.product-info .stock.out-of-stock {
    color: var(--color-error);
    background-color: rgba(231, 76, 60, 0.1);
}

.product-info__cart .stock.out-of-stock::before,
.product-info .stock.out-of-stock::before {
    background-color: var(--color-error);
}

.delivery-estimate {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    padding: var(--space-md);
    background-color: var(--color-bg-alt);
    border-radius: var(--radius-sm);
    font-size: var(--text-sm);
    margin-bottom: var(--space-md);
    color: var(--color-success);
}

.delivery-estimate svg {
    flex-shrink: 0;
}

/* --- Product Tabs --- */
.product-tabs {
    padding: var(--space-2xl) 0;
    border-top: 1px solid var(--color-border);
    margin-top: var(--space-xl);
}

.product-tabs__nav {
    display: flex;
    gap: 0;
    border-bottom: 2px solid var(--color-border);
    margin-bottom: var(--space-xl);
}

.product-tabs__nav button {
    padding: var(--space-md) var(--space-xl);
    font-size: var(--text-base);
    font-weight: var(--font-medium);
    color: var(--color-text-light);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all var(--transition-fast);
}

.product-tabs__nav button:hover {
    color: var(--color-text);
}

.product-tabs__nav button.is-active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.product-tabs__panel {
    display: none;
}

.product-tabs__panel.is-active {
    display: block;
}

/* Spec table styling */
.specifications-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
}

.specifications-container table,
.product-tabs__panel table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: var(--space-md);
}

.specifications-container th,
.product-tabs__panel th {
    background-color: var(--color-bg-alt);
    padding: var(--space-sm) var(--space-md);
    text-align: left;
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
}

.specifications-container td,
.product-tabs__panel td {
    padding: var(--space-sm) var(--space-md);
    font-size: var(--text-sm);
    border-bottom: 1px solid var(--color-border);
}

.specifications-container tr td:first-child,
.product-tabs__panel tr td:first-child {
    font-weight: var(--font-medium);
    color: var(--color-text-light);
    width: 40%;
}

.specifications-container table.specs-left,
.specifications-container table.specs-right {
    display: none;
}

.specifications-container table.specs-left.is-visible,
.specifications-container table.specs-right.is-visible {
    display: table;
}

/* Trust badges on single product */
.product-trust-badges {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

.product-trust-badge {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: var(--text-xs);
}

.product-trust-badge svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    color: var(--color-primary);
}

/* Related products */
.related-products {
    padding: var(--space-2xl) 0;
}

.related-products__title {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-lg);
}

.products-grid--related {
    grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1024px) {
    .products-grid--related {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .single-product-layout {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

    .product-gallery {
        position: static;
    }

    .product-info__title {
        font-size: var(--text-xl);
        word-break: break-word;
    }

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

    .product-info__price ins {
        font-size: var(--text-2xl);
    }

    .product-info__cart {
        flex-direction: column;
    }

    .product-info__sku-meta {
        font-size: var(--text-sm);
        word-break: break-word;
    }

    .product-tabs__nav {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .product-tabs__nav button {
        padding: var(--space-sm) var(--space-md);
        font-size: var(--text-sm);
        white-space: nowrap;
    }

    .specifications-container {
        grid-template-columns: 1fr;
    }

    .specifications-container table,
    .product-tabs__panel table {
        display: block;
        width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .product-trust-badges {
        grid-template-columns: 1fr;
    }

    .related-products .products-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }

    .related-products__title {
        font-size: var(--text-xl);
    }
}