/* Lazy Loading Styles */
/* Provides smooth transitions and loading states for lazy-loaded images */

/* Base lazy loading styles */
.lazy-loading {
    opacity: 0.7;
    transition: opacity 0.3s ease-in-out;
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

.lazy-loaded {
    opacity: 1;
    animation: none;
    background: none;
}

.lazy-error {
    opacity: 0.5;
    background: #ffe6e6;
    animation: none;
}

/* Shimmer animation for loading state */
@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

/* Portfolio card specific styles */
.project-card .project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 0;
    transition: transform 0.3s ease-in-out, opacity 0.3s ease-in-out;
}

.project-card .project-image img.lazy-loading {
    min-height: 200px;
    background: linear-gradient(90deg, #f8f8f8 25%, #e8e8e8 50%, #f8f8f8 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

.project-card .project-image img.lazy-loaded {
    transform: scale(1);
}

.project-card:hover .project-image img.lazy-loaded {
    transform: scale(1.05);
}

/* Gallery modal thumbnail styles */
.thumbnail.lazy-loading {
    min-width: 120px;
    min-height: 90px;
    background: linear-gradient(90deg, #f5f5f5 25%, #e5e5e5 50%, #f5f5f5 75%);
    background-size: 200% 100%;
    animation: shimmer 1.2s infinite;
    border-radius: 0;
}

.thumbnail.lazy-loaded {
    background: none;
    animation: none;
}

/* Main image loading state */
.main-image.lazy-loading {
    background: linear-gradient(90deg, #f9f9f9 25%, #e9e9e9 50%, #f9f9f9 75%);
    background-size: 200% 100%;
    animation: shimmer 2s infinite;
    min-height: 400px;
}

.main-image.lazy-loaded {
    background: none;
    animation: none;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .project-card .project-image img.lazy-loading {
        min-height: 150px;
    }
    
    .thumbnail.lazy-loading {
        min-width: 80px;
        min-height: 60px;
    }
    
    .main-image.lazy-loading {
        min-height: 250px;
    }
}

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
    .lazy-loading {
        animation: none;
        background: #f0f0f0;
    }
    
    .project-card .project-image img,
    .thumbnail,
    .main-image {
        transition: none;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .lazy-loading {
        background: #ffffff;
        border: 2px solid #000000;
    }
    
    .lazy-error {
        background: #ffcccc;
        border: 2px solid #cc0000;
    }
}

/* Print styles */
@media print {
    .lazy-loading,
    .lazy-loaded,
    .lazy-error {
        animation: none;
        background: none;
        opacity: 1;
    }
}