/* ===== Gallery wrapper — override WooCommerce/FlexSlider defaults ===== */
.woocommerce-product-gallery.epi-variation-gallery-is-active .woocommerce-product-gallery__wrapper {
    display: flex !important;
    flex-direction: column !important;
    gap: 12px !important;
    max-height: none !important;
    overflow: visible !important;
    margin: 0 !important;
    padding: 0 !important;
    transform: none !important;
    transition: none !important;
    width: 100% !important;
}

/* ===== Main image ===== */
.epi-variation-gallery__main {
    position: relative;
    overflow: hidden;
    border-radius: 4px;
}

.epi-variation-gallery__main-link {
    display: block;
    cursor: zoom-in;
}

.epi-variation-gallery__main-img {
    display: block;
    width: 100%;
    height: auto;
}

.epi-variation-gallery__zoom {
    position: absolute;
    bottom: 12px;
    right: 12px;
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s ease;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.15);
}

.epi-variation-gallery__main:hover .epi-variation-gallery__zoom {
    opacity: 1;
}

/* ===== Thumbnail grid ===== */
.epi-variation-gallery__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}

.epi-variation-gallery__thumb {
    cursor: pointer;
    border: 2px solid transparent;
    border-radius: 4px;
    overflow: hidden;
    transition: border-color 0.2s ease, opacity 0.2s ease;
    opacity: 0.7;
}

.epi-variation-gallery__thumb:hover,
.epi-variation-gallery__thumb--active {
    border-color: #333;
    opacity: 1;
}

.epi-variation-gallery__thumb img {
    display: block;
    width: 100%;
    height: auto;
    object-fit: cover;
    aspect-ratio: 1 / 1;
}

/* ===== Reset WooCommerce gallery overrides when active ===== */
.woocommerce-product-gallery.epi-variation-gallery-is-active .flex-control-nav,
.woocommerce-product-gallery.epi-variation-gallery-is-active .flex-direction-nav {
    display: none !important;
}

.woocommerce-product-gallery.epi-variation-gallery-is-active .woocommerce-product-gallery__image {
    width: auto !important;
    float: none !important;
    margin: 0 !important;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .epi-variation-gallery__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 480px) {
    .epi-variation-gallery__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}