/* Lazy Loading Styles */

/* Base styles for lazy-loading images */
img.lazy-loading {
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
    will-change: opacity;
    background-color: #f5f5f5;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="40" height="40" viewBox="0 0 40 40"><rect fill="%23e0e0e0" width="40" height="40"/></svg>');
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

/* When image is loaded */
img.lazy-loaded {
    opacity: 1;
    background: none;
}

/* Error state */
img.lazy-load-error {
    background-color: #ffebee;
    position: relative;
}

img.lazy-load-error::after {
    content: '⚠';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 24px;
    color: #d32f2f;
}

/* Responsive images */
picture {
    display: block;
    line-height: 0;
}

/* Background image loading */
.bg-lazy-load {
    background-color: #f5f5f5;
    background-image: none !important;
    transition: background-image 0.3s ease-in-out;
}

.bg-lazy-load.lazy-loaded {
    background-color: transparent;
}

/* Loading animation */
@keyframes lazyLoading {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.lazy-loading {
    position: relative;
    overflow: hidden;
}

.lazy-loading::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    transform: translateX(-100%);
    background: linear-gradient(90deg, #f5f5f5 0%, #e0e0e0 50%, #f5f5f5 100%);
    animation: lazyLoading 1.5s infinite;
    z-index: 1;
}

/* Hide the loading animation when image is loaded */
.lazy-loaded::after {
    display: none;
}

/* Gallery images: let the gallery CSS control opacity, not lazy-load */
.image-gallery .secondary-image.lazy-loaded {
    opacity: 0; /* Gallery hover state will set opacity: 1 */
}

.image-gallery img.lazy-loading {
    position: absolute; /* Prevent .lazy-loading position: relative from breaking gallery layout */
}

/* Responsive images */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Aspect ratio containers for responsive images */
.aspect-ratio-box {
    position: relative;
    width: 100%;
    padding-top: 133.33%; /* 3:4 aspect ratio by default */
    overflow: hidden;
}

.aspect-ratio-box img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}