/**
 * Lazy Loading Styles
 * Provides styling for lazy-loaded images and placeholders
 */

/* Lazy loading placeholder animation */
.lazy-placeholder {
    background: linear-gradient(
        90deg,
        #f0f0f0 0%,
        #e0e0e0 50%,
        #f0f0f0 100%
    );
    background-size: 200% 100%;
    animation: shimmer 2s infinite;
}

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

/* Lazy loaded image transition */
img[loading="lazy"].lazy-loaded {
    animation: fadeIn 0.3s ease-in-out;
}

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

/* Error state for failed image loads */
img[loading="lazy"].lazy-error {
    opacity: 0.5;
    border: 1px solid #e5e7eb;
}

/* Picture element with lazy loading */
picture img[loading="lazy"] {
    display: block;
    width: 100%;
    height: auto;
}

/* Ensure proper aspect ratio for lazy-loaded images */
img[loading="lazy"][data-aspect-ratio] {
    aspect-ratio: var(--aspect-ratio);
}

/* Responsive image container */
.lazy-image-container {
    position: relative;
    overflow: hidden;
    background-color: #f3f4f6;
}

.lazy-image-container img {
    display: block;
    width: 100%;
    height: auto;
}

/* Placeholder for images in cards */
.card img[loading="lazy"] {
    background-color: #f3f4f6;
}

/* Ensure images don't cause layout shift */
img[loading="lazy"] {
    display: block;
}

/* Optimize for mobile */
@media (max-width: 768px) {
    .lazy-placeholder {
        background-size: 200% 100%;
        animation: shimmer 1.5s infinite;
    }
}