/* Media Gallery Page Specific Styles */

/* Page Header */
.page-header {
    background: var(--gradient-secondary);
    padding: var(--spacing-3xl) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('../images/sunflower.png');
    background-size: cover;
    background-position: center;
    opacity: 0.05;
    z-index: 1;
}

.header-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.header-content h1 {
    color: var(--ucla-blue);
    font-size: var(--font-size-5xl);
    margin-bottom: var(--spacing-md);
    font-family: 'Fredoka One', cursive;
    font-weight: 900;
}

.header-subtitle {
    font-size: var(--font-size-2xl);
    color: #003B5C;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    font-family: var(--font-family-body);
}

.header-description {
    font-size: var(--font-size-lg);
    color: #003B5C;
    line-height: 1.6;
    margin-bottom: 0;
    font-family: var(--font-family-body);
    font-weight: 500;
}

/* Gallery Section */
.gallery-section {
    padding: var(--spacing-3xl) 0;
    background: var(--gradient-subtle);
    contain: layout style paint;
}

.gallery-controls {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.9);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.refresh-btn {
    background: var(--tiffany-blue);
    color: white;
    border: none;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.refresh-btn:hover {
    background: var(--celadon);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.refresh-btn:active {
    transform: translateY(0);
}

.refresh-btn i {
    font-size: var(--font-size-sm);
}

.refresh-btn.loading i {
    animation: spin 1s linear infinite;
}

.connection-info {
    margin: var(--spacing-md) 0 0 0;
    font-size: var(--font-size-xs);
    color: #666;
    font-style: italic;
}

/* Photo Grid with Performance Optimizations */
.photo-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
    contain: layout style paint;
    will-change: scroll-position;
}

/* Smooth scrolling for better performance */
.gallery-section {
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
}

/* Photo Items */
.photo-item {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    background: rgba(255, 255, 255, 0.9);
    box-shadow: var(--shadow);
    transition: transform 0.2s ease-out, box-shadow 0.2s ease-out;
    will-change: transform;
    transform: translateZ(0);
    contain: layout style paint;
}

.photo-item.hidden {
    display: none;
}

.photo-container {
    position: relative;
    overflow: hidden;
    height: 400px;
    background: var(--white);
    border-radius: var(--border-radius-lg);
    contain: layout style paint;
    will-change: transform;
}

/* Loading Skeleton Styles */
.image-skeleton {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: var(--border-radius-lg);
    z-index: 1;
    contain: layout style paint;
}

.skeleton-content {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.skeleton-shimmer {
    width: 60%;
    height: 60%;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    opacity: 0.7;
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* Image Loading States */
.gallery-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.2s ease-out, opacity 0.3s ease, filter 0.3s ease;
    display: block;
    background: #f0f0f0;
    min-height: 200px;
    will-change: transform, opacity;
    transform: translateZ(0);
    position: relative;
    z-index: 2;
    contain: layout style paint;
    /* Performance optimizations */
    content-visibility: auto;
    contain-intrinsic-size: 400px 400px;
}

.gallery-image.image-loaded {
    animation: image-fade-in 0.3s ease-out;
}

@keyframes image-fade-in {
    from {
        opacity: 0;
        transform: scale(1.02);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Optimized Image Loading */
.gallery-image[loading="lazy"] {
    opacity: 0;
}

.gallery-image[loading="lazy"].image-loaded {
    opacity: 1;
}

/* Image Error Handling Styles */
.image-placeholder {
    width: 100%;
    height: 100%;
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f0f0f0 0%, #e0e0e0 100%);
    border: 2px dashed #ccc;
    border-radius: var(--border-radius);
}

.placeholder-content {
    text-align: center;
    color: #666;
    padding: var(--spacing-lg);
}

.placeholder-content i {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    color: #999;
}

.placeholder-content p {
    margin: var(--spacing-sm) 0;
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.placeholder-content small {
    font-size: var(--font-size-xs);
    color: #888;
    display: block;
    margin-top: var(--spacing-xs);
}

.retry-btn {
    background: var(--ucla-blue);
    color: white;
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    font-size: var(--font-size-xs);
    cursor: pointer;
    margin-top: var(--spacing-md);
    transition: all 0.2s ease;
}

.retry-btn:hover {
    background: var(--air-force-blue);
    transform: translateY(-1px);
}

.retry-btn:active {
    transform: translateY(0);
}

/* Loading state for images */
.gallery-image[style*="opacity: 0.5"] {
    background: linear-gradient(45deg, #f0f0f0 25%, transparent 25%, transparent 75%, #f0f0f0 75%, #f0f0f0),
                linear-gradient(45deg, #f0f0f0 25%, transparent 25%, transparent 75%, #f0f0f0 75%, #f0f0f0);
    background-size: 20px 20px;
    background-position: 0 0, 10px 10px;
    animation: imageLoading 1s linear infinite;
}

@keyframes imageLoading {
    0% { background-position: 0 0, 10px 10px; }
    100% { background-position: 20px 20px, 30px 30px; }
}



.logo-image {
    object-fit: contain;
    background: var(--white);
    padding: var(--spacing-lg);
}

.photo-item:hover .gallery-image {
    transform: scale(1.05);
}

/* Photo Overlay */
.photo-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        to bottom,
        transparent 0%,
        transparent 40%,
        rgba(0, 0, 0, 0.7) 100%
    );
    display: flex;
    align-items: flex-end;
    opacity: 0;
    transition: opacity 0.2s ease-out;
    will-change: opacity;
}

.photo-item:hover .photo-overlay {
    opacity: 1;
}

.photo-info {
    color: var(--white);
    padding: var(--spacing-xl);
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.photo-info h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
    color: var(--white);
    font-family: var(--font-family-body);
    font-weight: 600;
}

.photo-info p {
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
    font-family: var(--font-family-body);
}

.view-btn {
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    font-size: var(--font-size-sm);
    font-family: var(--font-family-body);
}

.view-btn:hover,
.view-btn:focus {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}



/* Lightbox Styles */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.lightbox.active {
    display: flex;
}

.lightbox-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.lightbox-close {
    position: absolute;
    top: -40px;
    right: 0;
    background: none;
    border: none;
    color: var(--white);
    font-size: 2rem;
    cursor: pointer;
    z-index: 2001;
    padding: var(--spacing-sm);
    transition: var(--transition);
}

.lightbox-close:hover,
.lightbox-close:focus {
    color: var(--tiffany-blue);
    transform: scale(1.1);
}

.lightbox-image {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: var(--border-radius);
    width: auto;
    height: auto;
}

.lightbox-info {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    color: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    margin-top: var(--spacing-lg);
    text-align: center;
    max-width: 500px;
}

.lightbox-info h3 {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-family-body);
    font-weight: 600;
}

.lightbox-info p {
    margin: 0;
    opacity: 0.9;
    font-family: var(--font-family-body);
}

.lightbox-controls {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    pointer-events: none;
}

.lightbox-prev,
.lightbox-next {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: none;
    color: var(--white);
    font-size: 2rem;
    padding: var(--spacing-lg);
    cursor: pointer;
    border-radius: var(--border-radius);
    transition: var(--transition);
    pointer-events: all;
}

.lightbox-prev:hover,
.lightbox-next:hover,
.lightbox-prev:focus,
.lightbox-next:focus {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

.lightbox-prev {
    margin-left: -60px;
}

.lightbox-next {
    margin-right: -60px;
}

/* Animation for photos */
.photo-item {
    opacity: 1;
    transform: scale(1);
    transition: all 0.3s ease, transform 0.2s ease;
}

/* Responsive Design for Media Page */
@media (max-width: 768px) {
    .header-content h1 {
        font-size: var(--font-size-4xl);
    }
    
    .header-subtitle {
        font-size: var(--font-size-xl);
    }
    
    .header-description {
        font-size: var(--font-size-base);
    }
    

    
    .photo-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
    
    .photo-overlay {
        opacity: 1;
        background: linear-gradient(
            to bottom,
            transparent 0%,
            transparent 50%,
            rgba(0, 0, 0, 0.8) 100%
        );
    }
    
    .photo-info {
        padding: var(--spacing-lg);
    }
    

    
    .lightbox-content {
        max-width: 95vw;
        max-height: 95vh;
    }
    
    .lightbox-image {
        max-height: 60vh;
    }
    
    .lightbox-prev,
    .lightbox-next {
        font-size: 1.5rem;
        padding: var(--spacing-md);
    }
    
    .lightbox-prev {
        margin-left: -40px;
    }
    
    .lightbox-next {
        margin-right: -40px;
    }
}

@media (max-width: 480px) {
    .page-header {
        padding: var(--spacing-2xl) 0;
    }
    
    .header-content h1 {
        font-size: var(--font-size-3xl);
    }
    
    .photo-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .photo-container {
        height: 300px;
    }
    
    .lightbox-controls {
        position: static;
        transform: none;
        margin-top: var(--spacing-lg);
        justify-content: center;
        gap: var(--spacing-lg);
    }
    
    .lightbox-prev,
    .lightbox-next {
        margin: 0;
        position: static;
    }
    
    .lightbox-close {
        top: -30px;
        font-size: 1.5rem;
    }
    

}

/* Accessibility improvements */
.photo-item:focus-within {
    outline: 2px solid var(--tiffany-blue);
    outline-offset: 2px;
}

.view-btn:focus {
    outline: 2px solid var(--white);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .photo-overlay {
        background: linear-gradient(
            to bottom,
            transparent 0%,
            transparent 30%,
            rgba(0, 0, 0, 0.9) 100%
        );
    }
    
    .lightbox {
        background: rgba(0, 0, 0, 0.95);
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .gallery-image,
    .photo-item,
    .image-skeleton {
        transition: none;
        animation: none;
    }
    
    .gallery-image.image-loaded {
        animation: none;
        opacity: 1;
    }
}

/* Print styles */
@media print {
    .lightbox,
    .photo-overlay,
    .view-btn {
        display: none;
    }
    
    .photo-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .photo-container {
        aspect-ratio: auto;
        height: 200px;
    }
    
    .gallery-image {
        object-fit: contain;
    }
}