/* ==========================================================================
   WooGallery Slider Frontend Stylesheet - Premium Design v1.0.4
   ========================================================================== */

:root {
    --woogallery-primary: #1e3a8a;
    --woogallery-active-border: #1e3a8a;
    --woogallery-border-radius: 12px;
    --woogallery-thumb-radius: 8px;
    --woogallery-bg-placeholder: #f8fafc;
    --woogallery-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
    --woogallery-shadow-active: 0 12px 24px rgba(30, 58, 138, 0.15);
    --woogallery-transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --woogallery-zoom-transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Container chính */
.woogallery-container {
    max-width: 100%;
    margin: 0 auto 30px auto;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    display: flex;
    flex-direction: column;
    gap: 20px;
    backface-visibility: hidden;
}

/* Khu vực Slider ảnh chính */
.woogallery-main-wrapper {
    position: relative;
    border-radius: 4px;
    overflow: hidden;
    background-color: transparent;
    width: 100%;
}

.woogallery-slide-inner {
    position: relative;
    width: 100%;
    overflow: hidden;
    aspect-ratio: 16 / 10;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #ffffff;
}

.woogallery-main-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    transition: var(--woogallery-zoom-transition);
    transform-origin: 50% 50%;
}

/* Nút Expand phóng to (Góc dưới bên trái ảnh chính - giống ảnh 2) */
.woogallery-expand-btn {
    position: absolute;
    bottom: 14px;
    left: 14px;
    z-index: 10;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: #ffffff;
    border: 1.5px solid #d1d5db;
    color: #4b5563;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
    padding: 0;
}

.woogallery-expand-btn:hover {
    background: #ffffff;
    color: #111827;
    border-color: #9ca3af;
    transform: scale(1.08);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.woogallery-expand-btn:active {
    transform: scale(0.95);
}

/* Zoom state */
.woogallery-zoomable {
    cursor: zoom-in;
}

/* Thumbnail wrapper */
.woogallery-thumbs-wrapper {
    width: 100%;
}

.woogallery-thumb-inner {
    position: relative;
    width: 100%;
    height: 100%;
    aspect-ratio: 1 / 1;
    border-radius: 2px;
    border: 1px solid #e5e7eb;
    overflow: hidden;
    cursor: pointer;
    background: #ffffff;
    transition: all 0.2s ease;
    padding: 0;
    box-shadow: none;
}

.woogallery-thumb-inner img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    border-radius: 0;
    opacity: 0.45;
    filter: none;
    transition: opacity 0.2s ease;
}

.woogallery-thumb-inner:hover img {
    opacity: 0.85;
}

/* Khi thumbnail ở trạng thái ACTIVE (Giống ảnh 2 - viền xám đậm tối giản) */
.splide__slide.is-active .woogallery-thumb-inner {
    border-color: #6b7280;
    box-shadow: none;
    transform: none;
}

.splide__slide.is-active .woogallery-thumb-inner img {
    opacity: 1;
}

/* Custom các nút điều hướng Splide (Mũi tên tối giản cực sang giống Ảnh 2) */
.woogallery-container .splide__arrow {
    background: transparent;
    border: none;
    width: 36px;
    height: 36px;
    color: #4b5563;
    opacity: 0.8;
    visibility: visible;
    transition: all 0.2s ease;
    box-shadow: none;
}

.woogallery-container .splide__arrow--prev {
    left: 8px;
}

.woogallery-container .splide__arrow--next {
    right: 8px;
}

.woogallery-container:hover .splide__arrow {
    opacity: 1;
    visibility: visible;
}

.woogallery-container .splide__arrow:hover {
    background: transparent;
    color: #111827;
    opacity: 1;
    box-shadow: none;
    transform: translateY(-50%) scale(1.2);
}

.woogallery-container .splide__arrow:active {
    transform: translateY(-50%) scale(0.95);
}

.woogallery-container .splide__arrow svg {
    stroke: currentColor;
    fill: none;
    width: 22px;
    height: 22px;
}

/* ==========================================================================
   Bố Cục (Layouts): Left / Right Thumbnail (Dành cho máy tính PC)
   ========================================================================== */
@media (min-width: 768px) {
    /* Layout Thumbnail nằm bên trái */
    .woogallery-layout-left {
        display: grid;
        grid-template-columns: calc(var(--woogallery-thumb-w, 80px) + 8px) 1fr;
        gap: 20px;
    }
    
    .woogallery-layout-left .woogallery-main-wrapper {
        grid-column: 2;
        grid-row: 1;
    }
    
    .woogallery-layout-left .woogallery-thumbs-wrapper {
        grid-column: 1;
        grid-row: 1;
        height: 100%;
        max-height: 480px;
    }
    
    /* Layout Thumbnail nằm bên phải */
    .woogallery-layout-right {
        display: grid;
        grid-template-columns: 1fr calc(var(--woogallery-thumb-w, 80px) + 8px);
        gap: 20px;
    }
    
    .woogallery-layout-right .woogallery-main-wrapper {
        grid-column: 1;
        grid-row: 1;
    }
    
    .woogallery-layout-right .woogallery-thumbs-wrapper {
        grid-column: 2;
        grid-row: 1;
        height: 100%;
        max-height: 480px;
    }
    
    .woogallery-layout-left .splide--nav,
    .woogallery-layout-right .splide--nav {
        height: 100%;
    }
}

/* ==========================================================================
   Giao Diện PREMIUM LIGHTBOX (Tối giản cực sang trọng)
   ========================================================================== */
.woogallery-lightbox-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(10, 15, 30, 0.95);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    z-index: 9999999;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.4s;
}

.woogallery-lightbox-overlay.active {
    opacity: 1;
    visibility: visible;
}

.woogallery-lightbox-content {
    position: relative;
    max-width: 90%;
    max-height: 80%;
    display: flex;
    justify-content: center;
    align-items: center;
    transform: scale(0.95);
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.woogallery-lightbox-overlay.active .woogallery-lightbox-content {
    transform: scale(1);
}

.woogallery-lightbox-img {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
    border-radius: 6px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.4);
    background-color: transparent;
}

/* Thao tác nút trong lightbox */
.woogallery-lightbox-btn {
    position: absolute;
    background: rgba(255, 255, 255, 0.06);
    color: rgba(255, 255, 255, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.08);
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
    transition: var(--woogallery-transition);
}

.woogallery-lightbox-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.2);
    transform: scale(1.08);
}

.woogallery-lightbox-btn:active {
    transform: scale(0.95);
}

/* Nút Close */
.woogallery-lightbox-close {
    top: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    font-size: 28px;
    line-height: 1;
    font-weight: 300;
}

/* Nút chuyển ảnh */
.woogallery-lightbox-prev {
    left: 30px;
    width: 52px;
    height: 52px;
    font-size: 20px;
}

.woogallery-lightbox-next {
    right: 30px;
    width: 52px;
    height: 52px;
    font-size: 20px;
}

/* Caption đếm */
.woogallery-lightbox-caption {
    color: rgba(255, 255, 255, 0.6);
    margin-top: 24px;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 2px;
    background: rgba(255, 255, 255, 0.08);
    padding: 6px 14px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

@media (max-width: 767px) {
    .woogallery-lightbox-prev {
        left: 15px;
        width: 44px;
        height: 44px;
    }
    .woogallery-lightbox-next {
        right: 15px;
        width: 44px;
        height: 44px;
    }
    .woogallery-lightbox-close {
        top: 20px;
        right: 20px;
    }
}