/* fabGallery Frontend Styles */

/* Gallery Wrapper */
.fab-gallery-wrapper {
    width: 100%;
    margin: 0 auto;
}

/* Gallery Grid */
.fab-gallery-grid {
    display: grid;
    width: 100%;
}

/* Grid Items */
.fab-gallery-item {
    position: relative;
    background: #f0f0f0;
    display: flex;
    flex-direction: column;
}

/* Image & Video Wrappers */
.fab-gallery-image-wrapper,
.fab-gallery-video-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

/* Images */
.fab-gallery-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

/* Videos */
.fab-gallery-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Lazy Loading - show placeholder while loading */
.fab-gallery-image.fab-lazy {
    opacity: 0;
    transition: opacity 0.3s ease;
}

.fab-gallery-image.fab-lazy.loaded {
    opacity: 1;
}

/* Lightbox Links */
.fab-gallery-lightbox-link {
    display: block;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

/* Aspect Ratios */
.fab-gallery-ratio-square .fab-gallery-item {
    aspect-ratio: 1 / 1;
}

.fab-gallery-ratio-16-9 .fab-gallery-item {
    aspect-ratio: 16 / 9;
}

.fab-gallery-ratio-4-3 .fab-gallery-item {
    aspect-ratio: 4 / 3;
}

.fab-gallery-ratio-3-2 .fab-gallery-item {
    aspect-ratio: 3 / 2;
}

.fab-gallery-ratio-21-9 .fab-gallery-item {
    aspect-ratio: 21 / 9;
}

.fab-gallery-ratio-original .fab-gallery-item {
    aspect-ratio: auto;
}

/* Custom aspect ratio - will be set via inline style or CSS variable */

/* Masonry Layout */
.fab-gallery-layout-masonry .fab-gallery-grid {
    display: block;
    column-gap: 0;
}

.fab-gallery-layout-masonry .fab-gallery-item {
    break-inside: avoid;
    page-break-inside: avoid;
    display: inline-block;
    width: 100%;
    margin-bottom: var(--fab-gap, 20px);
}

/* Masonry with shadows - prevent shadow clipping in columns */
.fab-gallery-shadow-light.fab-gallery-layout-masonry .fab-gallery-item,
.fab-gallery-shadow-medium.fab-gallery-layout-masonry .fab-gallery-item,
.fab-gallery-shadow-strong.fab-gallery-layout-masonry .fab-gallery-item {
    box-decoration-break: clone;
    -webkit-box-decoration-break: clone;
    position: relative;
    z-index: 1;
}

/* Add padding to masonry grid container to prevent shadows from being clipped */
.fab-gallery-shadow-light.fab-gallery-layout-masonry .fab-gallery-grid {
    padding: 8px;
    margin: -8px;
}

.fab-gallery-shadow-medium.fab-gallery-layout-masonry .fab-gallery-grid {
    padding: 12px;
    margin: -12px;
}

.fab-gallery-shadow-strong.fab-gallery-layout-masonry .fab-gallery-grid {
    padding: 20px;
    margin: -20px;
}

/* Masonry specific - remove aspect ratio constraints */
.fab-gallery-layout-masonry.fab-gallery-ratio-square .fab-gallery-item,
.fab-gallery-layout-masonry.fab-gallery-ratio-16-9 .fab-gallery-item,
.fab-gallery-layout-masonry.fab-gallery-ratio-4-3 .fab-gallery-item {
    aspect-ratio: auto;
}

.fab-gallery-layout-masonry .fab-gallery-image-wrapper,
.fab-gallery-layout-masonry .fab-gallery-video-wrapper {
    height: auto;
}

/* Hover Effects */

/* Zoom Effect */
.fab-gallery-hover-zoom .fab-gallery-lightbox-link:hover .fab-gallery-image {
    /* No transform - image stays static */
}

/* Overlay Effect */
.fab-gallery-hover-overlay .fab-gallery-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0);
    transition: background 0.3s ease;
    pointer-events: none;
    z-index: 1;
}

.fab-gallery-hover-overlay .fab-gallery-item:hover::before {
    background: rgba(0, 0, 0, 0.3);
}

.fab-gallery-hover-overlay .fab-gallery-item::after {
    content: '+';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 48px;
    color: #fff;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    z-index: 2;
}

.fab-gallery-hover-overlay .fab-gallery-item:hover::after {
    opacity: 1;
}

/* Shadow Styles */
.fab-gallery-shadow-light .fab-gallery-item {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: box-shadow 0.3s ease;
}

.fab-gallery-shadow-medium .fab-gallery-item {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: box-shadow 0.3s ease;
}

.fab-gallery-shadow-strong .fab-gallery-item {
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
    transition: box-shadow 0.3s ease;
}

/* Shadow hover enhancements */
.fab-gallery-shadow-light .fab-gallery-item:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.fab-gallery-shadow-medium .fab-gallery-item:hover {
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.fab-gallery-shadow-strong .fab-gallery-item:hover {
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

/* Animations */

/* Fade Animation */
.fab-gallery-animation-fade .fab-gallery-item {
    opacity: 0;
    animation: fabFadeIn 0.5s ease-out forwards;
    will-change: opacity;
}

@keyframes fabFadeIn {
    to {
        opacity: 1;
    }
}

/* Slide Animation */
.fab-gallery-animation-slide .fab-gallery-item {
    opacity: 0;
    transform: translateY(15px);
    animation: fabSlideUp 0.5s ease-out forwards;
    will-change: opacity, transform;
}

@keyframes fabSlideUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Stagger animation delays - reduced for faster display */
.fab-gallery-animation-fade .fab-gallery-item,
.fab-gallery-animation-slide .fab-gallery-item {
    animation-delay: calc(var(--item-index, 0) * 0.03s);
    max-animation-delay: 0.6s; /* Cap the delay */
}

/* Ensure items are visible when animation is none */
.fab-gallery-animation-none .fab-gallery-item {
    opacity: 1;
}

/* Shadow items need proper stacking context */
.fab-gallery-shadow-light .fab-gallery-item,
.fab-gallery-shadow-medium .fab-gallery-item,
.fab-gallery-shadow-strong .fab-gallery-item {
    isolation: isolate;
    transform: translateZ(0); /* Force GPU acceleration */
    backface-visibility: hidden;
}

/* Video specific styles */
.fab-gallery-video-wrapper {
    background: #000;
}

/* Responsive Design */

/* Desktop - Dynamic columns based on data attribute */
@media (min-width: 769px) {
    .fab-gallery-wrapper[data-columns="1"] .fab-gallery-grid {
        grid-template-columns: repeat(1, 1fr);
    }
    
    .fab-gallery-wrapper[data-columns="2"] .fab-gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .fab-gallery-wrapper[data-columns="3"] .fab-gallery-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .fab-gallery-wrapper[data-columns="4"] .fab-gallery-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .fab-gallery-wrapper[data-columns="5"] .fab-gallery-grid {
        grid-template-columns: repeat(5, 1fr);
    }
    
    .fab-gallery-wrapper[data-columns="6"] .fab-gallery-grid {
        grid-template-columns: repeat(6, 1fr);
    }
    
    /* Masonry column layout for desktop */
    .fab-gallery-layout-masonry[data-columns="1"] .fab-gallery-grid {
        column-count: 1;
    }
    
    .fab-gallery-layout-masonry[data-columns="2"] .fab-gallery-grid {
        column-count: 2;
    }
    
    .fab-gallery-layout-masonry[data-columns="3"] .fab-gallery-grid {
        column-count: 3;
    }
    
    .fab-gallery-layout-masonry[data-columns="4"] .fab-gallery-grid {
        column-count: 4;
    }
    
    .fab-gallery-layout-masonry[data-columns="5"] .fab-gallery-grid {
        column-count: 5;
    }
    
    .fab-gallery-layout-masonry[data-columns="6"] .fab-gallery-grid {
        column-count: 6;
    }
}

/* Mobile - Dynamic columns based on data attribute */
@media (max-width: 768px) {
    .fab-gallery-wrapper[data-mobile-columns="1"] .fab-gallery-grid {
        grid-template-columns: repeat(1, 1fr);
    }
    
    .fab-gallery-wrapper[data-mobile-columns="2"] .fab-gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .fab-gallery-wrapper[data-mobile-columns="3"] .fab-gallery-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    /* Masonry column layout for mobile */
    .fab-gallery-layout-masonry[data-mobile-columns="1"] .fab-gallery-grid {
        column-count: 1;
    }
    
    .fab-gallery-layout-masonry[data-mobile-columns="2"] .fab-gallery-grid {
        column-count: 2;
    }
    
    .fab-gallery-layout-masonry[data-mobile-columns="3"] .fab-gallery-grid {
        column-count: 3;
    }
}

/* GLightbox Customization */
.gslide-video {
    max-width: 100%;
}

/* Accessibility */
.fab-gallery-item:focus-within {
    outline: 2px solid #0073aa;
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .fab-gallery-grid {
        display: block;
    }
    
    .fab-gallery-item {
        page-break-inside: avoid;
        margin-bottom: 20px;
    }
}

/* Loading State */
.fab-gallery-wrapper.loading {
    opacity: 0.5;
    pointer-events: none;
}

.fab-gallery-wrapper.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 40px;
    margin: -20px 0 0 -20px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #0073aa;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}