/**
 * Lubelska Product Gallery - Vertical Thumbnails Layout
 * Thumbnails on the left, main image on the right
 * Uses Swiper for vertical thumbnail navigation
 */

/* ============================================
   DESKTOP LAYOUT - Vertical Thumbnails Left
   ============================================ */

@media (min-width: 769px) {
    /* Main gallery container - flexbox layout */
    .woocommerce-product-gallery {
        display: flex !important;
        flex-direction: row !important;
        align-items: flex-start !important;
        gap: 15px;
        position: relative;
        width: 100%;
        box-sizing: border-box;
        margin-bottom: 0;
    }

    /* Hide original FlexSlider thumbnails but keep them functional for clicks */
    .woocommerce-product-gallery .flex-control-thumbs {
        position: absolute !important;
        left: -9999px !important;
        width: 1px !important;
        height: 1px !important;
        overflow: hidden !important;
        opacity: 0 !important;
        visibility: hidden !important;
    }
    
    .woocommerce-product-gallery .flex-control-thumbs li,
    .woocommerce-product-gallery .flex-control-thumbs li img {
        position: relative !important;
        pointer-events: auto !important;
        cursor: pointer !important;
    }

    /* Vertical thumbnails container (Swiper) */
    .lubelska-vertical-thumbs {
        order: 1;
        width: 78px;
        min-width: 78px;
        flex-shrink: 0;
        position: relative;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        margin: 0;
        padding: 0;
    }

    /* Navigation arrows */
    .lubelska-thumb-nav {
        width: 100%;
        height: 22px;
        min-height: 22px;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        transition: all 0.2s ease;
        background: #ffffff;
        border: none;
        padding: 0;
        margin: 0;
        border-radius: 4px;
    }

    .lubelska-thumb-nav:hover:not(.swiper-button-disabled),
    .lubelska-thumb-nav:active:not(.swiper-button-disabled) {
        background: #ffffff;
    }

    .lubelska-thumb-nav.swiper-button-disabled {
        opacity: 0.3;
        cursor: not-allowed;
        background: #ffffff;
    }

    .lubelska-thumb-nav svg {
        width: 18px;
        height: 18px;
        stroke: #000 !important;
        stroke-width: 2.5;
        fill: none;
        transition: stroke 0.2s ease;
        color: #000;
    }

    .lubelska-thumb-nav:hover:not(.swiper-button-disabled) svg,
    .lubelska-thumb-nav:active:not(.swiper-button-disabled) svg {
        stroke: #fff;
    }

    .lubelska-thumb-nav-prev svg {
        transform: rotate(-90deg);
    }

    .lubelska-thumb-nav-next svg {
        transform: rotate(90deg);
    }

    /* Swiper container for thumbnails */
    .lubelska-thumbs-swiper {
        width: 70px;
        height: 468px;
        overflow: hidden;
        position: relative;
        margin: 0;
        padding: 0;
    }

    .lubelska-thumbs-swiper .swiper-wrapper {
        flex-direction: column;
    }

    .lubelska-thumbs-swiper .swiper-slide {
        width: 70px !important;
        height: 70px !important;
        cursor: pointer;
        opacity: 0.6;
        transition: opacity 0.25s ease, border-color 0.25s ease, transform 0.2s ease;
        box-sizing: border-box;
        border: 2px solid transparent;
        border-radius: 4px;
        margin: 0 0 8px 0;
        padding: 0;
        display: flex;
        align-items: center;
        justify-content: center;
        background: #f8f8f8;
    }

    .lubelska-thumbs-swiper .swiper-slide:hover {
        opacity: 0.9;
        transform: scale(1.02);
    }

    .lubelska-thumbs-swiper .swiper-slide-thumb-active,
    .lubelska-thumbs-swiper .swiper-slide.is-active {
        opacity: 1 !important;
        border-color: #000 !important;
        background: #fff;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    }

    .lubelska-thumbs-swiper .swiper-slide img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        display: block;
        margin: 0;
        padding: 0;
        border-radius: 2px;
    }

    /* Main image container (FlexSlider viewport) */
    .woocommerce-product-gallery .flex-viewport {
        order: 2;
        flex: 1 1 auto;
        min-width: 0;
        max-width: 100%;
        position: relative;
        overflow: hidden;
    }

    /* Zoom window visibility */
    .woocommerce-product-gallery .lubelska-zoom-window {
        z-index: 1000;
    }
}

/* ============================================
   MOBILE LAYOUT - Horizontal Thumbnails Below
   ============================================ */

@media (max-width: 768px) {
    .woocommerce-product-gallery {
        display: block !important;
    }

    /* Hide vertical thumbnails on mobile */
    .lubelska-vertical-thumbs {
        display: none !important;
    }

    /* Hide original FlexSlider thumbnails on mobile */
    .woocommerce-product-gallery .flex-control-thumbs {
        position: absolute !important;
        left: -9999px !important;
        width: 1px !important;
        height: 1px !important;
        overflow: hidden !important;
        opacity: 0 !important;
        visibility: hidden !important;
    }
    
    .woocommerce-product-gallery .flex-control-thumbs li,
    .woocommerce-product-gallery .flex-control-thumbs li img {
        position: relative !important;
        pointer-events: auto !important;
        cursor: pointer !important;
    }

    /* Mobile horizontal thumbnails container */
    .lubelska-mobile-thumbs {
        display: flex !important;
        flex-direction: row !important;
        align-items: center !important;
        width: 100%;
        margin-top: 15px;
        position: relative;
        gap: 0;
    }

    .lubelska-mobile-thumbs.loading {
        opacity: 0.5;
    }

    .lubelska-mobile-thumbs .lubelska-thumb-nav {
        width: 25px;
        height: 70px;
        min-height: 70px;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        transition: all 0.2s ease;
        background: #ffffff;
        border: none;
        padding: 0;
        margin: 0;
        flex-shrink: 0;
        position: relative;
        border-radius: 4px;
    }

    .lubelska-mobile-thumbs .lubelska-thumb-nav:hover:not(.swiper-button-disabled),
    .lubelska-mobile-thumbs .lubelska-thumb-nav:active:not(.swiper-button-disabled) {
        background: #ffffff;
    }

    .lubelska-mobile-thumbs .lubelska-thumb-nav.swiper-button-disabled {
        opacity: 0.3;
        cursor: not-allowed;
        background: #ffffff;
    }

    .lubelska-mobile-thumbs .lubelska-thumb-nav svg {
        width: 18px;
        height: 18px;
        stroke: #000 !important;
        stroke-width: 2.5;
        fill: none;
        transition: stroke 0.2s ease;
        color: #000;
    }

    .lubelska-mobile-thumbs .lubelska-thumb-nav:hover:not(.swiper-button-disabled) svg,
    .lubelska-mobile-thumbs .lubelska-thumb-nav:active:not(.swiper-button-disabled) svg {
        stroke: #fff;
    }

    /* Mobile: horizontal arrows (left/right) - sin rotación, ya apuntan correctamente */
    .lubelska-mobile-thumbs .lubelska-thumb-nav-prev svg {
        transform: rotate(180deg);
    }

    .lubelska-mobile-thumbs .lubelska-thumb-nav-next svg {
        transform: rotate(0deg);
    }

    /* Mobile Swiper container */
    .lubelska-mobile-thumbs .lubelska-thumbs-swiper {
        width: calc(100% - 80px);
        height: 70px;
        overflow: hidden;
        position: relative;
        margin: 0;
        padding: 0;
        flex: 1 1 auto;
    }

    .lubelska-mobile-thumbs .lubelska-thumbs-swiper .swiper-wrapper {
        flex-direction: row;
    }

    .lubelska-mobile-thumbs .lubelska-thumbs-swiper .swiper-slide {
        width: 70px !important;
        height: 70px !important;
        cursor: pointer;
        opacity: 0.6;
        transition: opacity 0.25s ease, border-color 0.25s ease, transform 0.2s ease;
        box-sizing: border-box;
        border: 2px solid transparent;
        border-radius: 4px;
        margin: 0 8px 0 0 !important;
        padding: 0;
        display: flex;
        align-items: center;
        justify-content: center;
        background: #f8f8f8;
        flex-shrink: 0;
    }

    .lubelska-mobile-thumbs .lubelska-thumbs-swiper .swiper-slide:hover {
        opacity: 0.9;
        transform: scale(1.02);
    }

    .lubelska-mobile-thumbs .lubelska-thumbs-swiper .swiper-slide-thumb-active,
    .lubelska-mobile-thumbs .lubelska-thumbs-swiper .swiper-slide.is-active {
        opacity: 1 !important;
        border-color: #000 !important;
        background: #fff;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    }

    .lubelska-mobile-thumbs .lubelska-thumbs-swiper .swiper-slide img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        display: block;
        margin: 0;
        padding: 0;
        border-radius: 2px;
    }

    .woocommerce-product-gallery .flex-viewport {
        max-width: 100% !important;
    }
}

/* ============================================
   SWIPER OVERRIDES
   ============================================ */

.lubelska-thumbs-swiper.swiper {
    margin: 0;
    padding: 0;
}

/* ============================================
   LOADING STATE
   ============================================ */

.lubelska-vertical-thumbs.loading {
    opacity: 0.5;
}

.lubelska-vertical-thumbs.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid #ddd;
    border-top-color: #333;
    border-radius: 50%;
    animation: lubelska-thumb-spin 0.8s linear infinite;
}

@keyframes lubelska-thumb-spin {
    to { transform: rotate(360deg); }
}

/* ============================================
   TRANSITIONS & ANIMATIONS
   ============================================ */

.lubelska-vertical-thumbs {
    animation: lubelska-fade-in 0.3s ease;
}

@keyframes lubelska-fade-in {
    from { opacity: 0; transform: translateX(-10px); }
    to { opacity: 1; transform: translateX(0); }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */

.lubelska-thumb-nav:focus {
    outline: 2px solid #333;
    outline-offset: 2px;
}

.lubelska-thumbs-swiper .swiper-slide:focus {
    outline: 2px solid #333;
    outline-offset: -2px;
}

@media (prefers-reduced-motion: reduce) {
    .lubelska-vertical-thumbs,
    .lubelska-thumbs-swiper .swiper-slide,
    .lubelska-thumb-nav {
        animation: none !important;
        transition: none !important;
    }
}

@media (min-width: 769px) {
    .lubelska-vertical-thumbs {
        margin-top: -22px !important;
    }
}