/* Reset and Base Styles */
#vjvg-gallery-root * {
    box-sizing: border-box;
}

/* Main Gallery Container */
.vjvg-gallery-root {
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
}

.woocommerce-product-gallery__wrapper {
    width: 100%;
}

/* Main Image Container */
.vjvg-main-image {
    position: relative;
    width: 100%;
    aspect-ratio: 1;
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 16px;
    cursor: zoom-in;
    transition: all 0.3s ease;
}

.vjvg-main-image:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.vjvg-main-image img {
    width: 100%;
    height: 100% !important;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

.vjvg-main-image:hover img {
    transform: scale(1.02);
}

/* Navigation Arrows */
.vjvg-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.95);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 18px;
    font-weight: 600;
    color: #333;
    z-index: 10;
    transition: all 0.2s ease;
    backdrop-filter: blur(8px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    user-select: none;
    opacity: 0;
    visibility: hidden;
}

.vjvg-main-image:hover .vjvg-nav {
    opacity: 1;
    visibility: visible;
}

.vjvg-nav:hover {
    background: rgba(255, 255, 255, 1);
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.vjvg-nav.prev {
    left: 16px;
}

.vjvg-nav.next {
    right: 16px;
}

/* Thumbnail List */
.vjvg-thumb-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
    gap: 12px;
    margin-top: 16px;
    max-width: 100%;
}

/* Individual Thumbnail */
.vjvg-thumb {
    aspect-ratio: 1;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.2s ease;
    background: #f8f9fa;
    position: relative;
}

.vjvg-thumb:hover {
    border-color: #007cba;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 124, 186, 0.2);
}

.vjvg-thumb.is-active {
    border-color: #007cba;
    box-shadow: 0 0 0 1px #007cba;
}

.vjvg-thumb img {
    width: 100%;
    height: 100% !important;
    object-fit: cover;
    display: block;
    transition: transform 0.2s ease;
}

.vjvg-thumb:hover img {
    transform: scale(1.05);
}

/* Zoom Overlay */
.vjvg-zoom-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999999;
    backdrop-filter: blur(4px);
    animation: vjvgFadeIn 0.3s ease-out;
}

@keyframes vjvgFadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.vjvg-zoom-content {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.vjvg-zoom-overlay img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    transition: transform 0.2s ease;
    cursor: grab;
}

.vjvg-zoom-overlay img:active {
    cursor: grabbing;
}

/* Zoom Controls */
.vjvg-zoom-controls {
    position: absolute;
    top: 20px;
    right: 20px;
    display: flex;
    gap: 8px;
    z-index: 1000000;
}

.vjvg-zoom-controls > * {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 18px;
    font-weight: 600;
    color: #333;
    transition: all 0.2s ease;
    backdrop-filter: blur(8px);
    user-select: none;
}

.vjvg-zoom-controls > *:hover {
    background: rgba(255, 255, 255, 1);
    transform: scale(1.1);
}

.vjvg-close {
    font-size: 20px;
}

/* Zoom Navigation */
.vjvg-zoom-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 56px;
    height: 56px;
    background: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 24px;
    font-weight: 600;
    color: #333;
    z-index: 1000000;
    transition: all 0.2s ease;
    backdrop-filter: blur(8px);
    user-select: none;
}

.vjvg-zoom-nav:hover {
    background: rgba(255, 255, 255, 1);
    transform: translateY(-50%) scale(1.1);
}

.vjvg-zoom-nav.prev {
    left: 20px;
}

.vjvg-zoom-nav.next {
    right: 20px;
}

/* No Images Placeholder */
.vjvg-no-image-placeholder {
    width: 100%;
    aspect-ratio: 1;
    background: #f8f9fa;
    border: 2px dashed #dee2e6;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #6c757d;
    font-size: 16px;
    font-weight: 500;
}

/* Focus Styles for Accessibility */
.vjvg-thumb:focus,
.vjvg-nav:focus,
.vjvg-zoom-controls > *:focus,
.vjvg-zoom-nav:focus {
    outline: 2px solid #007cba;
    outline-offset: 2px;
}

/* Tablet Styles */
@media (max-width: 1024px) {
    .vjvg-gallery-root {
        max-width: 500px;
    }
    
    .vjvg-thumb-list {
        grid-template-columns: repeat(auto-fit, minmax(70px, 1fr));
        gap: 10px;
    }
    
    .vjvg-nav {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
    
    .vjvg-nav.prev {
        left: 12px;
    }
    
    .vjvg-nav.next {
        right: 12px;
    }
    
    .vjvg-zoom-nav {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }
    
    .vjvg-zoom-controls {
        top: 15px;
        right: 15px;
        gap: 6px;
    }
    
    .vjvg-zoom-controls > * {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
}

/* Mobile Styles */
@media (max-width: 768px) {
    .vjvg-gallery-root {
        max-width: 100%;
        padding: 0 10px;
    }
    
    .vjvg-main-image {
        border-radius: 8px;
        margin-bottom: 12px;
    }
    
    .vjvg-thumb-list {
        grid-template-columns: repeat(auto-fit, minmax(60px, 1fr));
        gap: 8px;
        margin-top: 12px;
    }
    
    .vjvg-thumb {
        border-radius: 6px;
    }
    
    .vjvg-nav {
        width: 36px;
        height: 36px;
        font-size: 14px;
    }
    
    .vjvg-nav.prev {
        left: 8px;
    }
    
    .vjvg-nav.next {
        right: 8px;
    }
    
    .vjvg-zoom-overlay {
        padding: 10px;
    }
    
    .vjvg-zoom-content {
        padding: 10px;
    }
    
    .vjvg-zoom-overlay img {
        max-width: 95%;
        max-height: 95%;
    }
    
    .vjvg-zoom-controls {
        top: 10px;
        right: 10px;
        gap: 4px;
    }
    
    .vjvg-zoom-controls > * {
        width: 36px;
        height: 36px;
        font-size: 14px;
    }
    
    .vjvg-zoom-nav {
        width: 44px;
        height: 44px;
        font-size: 18px;
    }
    
    .vjvg-zoom-nav.prev {
        left: 10px;
    }
    
    .vjvg-zoom-nav.next {
        right: 10px;
    }
}

/* Small Mobile Styles */
@media (max-width: 480px) {
    .vjvg-thumb-list {
        grid-template-columns: repeat(auto-fit, minmax(50px, 1fr));
        gap: 6px;
    }
    
    .vjvg-nav {
        width: 32px;
        height: 32px;
        font-size: 12px;
    }
    
    .vjvg-zoom-controls > * {
        width: 32px;
        height: 32px;
        font-size: 12px;
    }
    
    .vjvg-zoom-nav {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
}

/* High DPI Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 2dppx) {
    .vjvg-thumb img,
    .vjvg-main-image img {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    .vjvg-main-image,
    .vjvg-main-image img,
    .vjvg-thumb,
    .vjvg-thumb img,
    .vjvg-nav,
    .vjvg-zoom-controls > *,
    .vjvg-zoom-nav,
    .vjvg-zoom-overlay img {
        transition: none;
    }
    
    .vjvg-main-image:hover img,
    .vjvg-thumb:hover img {
        transform: none;
    }
    
    @keyframes vjvgFadeIn {
        from, to {
            opacity: 1;
        }
    }
}