/* Lazy Loading Styles for Noon Website - Non-Intrusive Version */

/* Lazy loading container - only apply when explicitly needed */
.lazy-loading-container {
    position: relative;
    overflow: hidden;
    background-color: #f8f9fa;
    border-radius: 8px;
    transition: all 0.3s ease;
    /* Ensure it doesn't interfere with existing layouts */
    display: inline-block;
    vertical-align: top;
}

/* Placeholder styling */
.lazy-loading-placeholder {
    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: shimmer 1.5s infinite;
    border-radius: inherit;
    z-index: 1;
}

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

/* Lazy loading image - preserve existing styles */
.lazy-loading-image {
    /* Only add opacity transition, preserve all other existing styles */
    opacity: 0;
    transition: opacity 0.4s ease-in-out;
}

/* Ensure loaded images are visible */
.lazy-loading-image.loaded {
    opacity: 1;
}

/* Special handling for very small images (icons, buttons) */
.lazy-loading-image[width][height] {
    /* Preserve original dimensions for small images */
    max-width: none;
    max-height: none;
}

/* Ensure small images don't get distorted */
.lazy-loading-image[width="16"], .lazy-loading-image[width="24"], .lazy-loading-image[width="32"] {
    width: auto !important;
    height: auto !important;
}

/* Loaded state - already defined above */

/* Error state */
.lazy-loading-image.error {
    opacity: 1;
    background-color: #f8f9fa;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #6c757d;
    font-size: 14px;
    text-align: center;
}

/* Loading spinner */
.lazy-loading-spinner {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 30px;
    height: 30px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #6f547c;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    z-index: 3;
}

@keyframes spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Product image specific styles - preserve existing styles */
.product__media--preview__items--img.lazy-loading-image,
.product__items--img.lazy-loading-image,
.product__primary--img.lazy-loading-image,
.product__secondary--img.lazy-loading-image,
.search-result-image.lazy-loading-image {
    /* Only add lazy loading specific styles, preserve existing */
    opacity: 0;
    transition: opacity 0.4s ease-in-out;
}

.product__media--preview__items--img.lazy-loading-image.loaded,
.product__items--img.lazy-loading-image.loaded,
.product__primary--img.lazy-loading-image.loaded,
.product__secondary--img.lazy-loading-image.loaded,
.search-result-image.lazy-loading-image.loaded {
    opacity: 1;
}

/* Portfolio and feedback images */
.portfolio__items--thumbnail__img.lazy-loading-image {
    opacity: 0;
    transition: opacity 0.4s ease-in-out;
}

.portfolio__items--thumbnail__img.lazy-loading-image.loaded {
    opacity: 1;
}

/* About us images */
.about__thumb--img.lazy-loading-image,
.about__author--signature.lazy-loading-image {
    opacity: 0;
    transition: opacity 0.4s ease-in-out;
}

.about__thumb--img.lazy-loading-image.loaded,
.about__author--signature.lazy-loading-image.loaded {
    opacity: 1;
}

/* Value page images */
.shop__card--banner__thumbnail--img.lazy-loading-image,
.shop__card--content__logo.lazy-loading-image {
    opacity: 0;
    transition: opacity 0.4s ease-in-out;
}

.shop__card--banner__thumbnail--img.lazy-loading-image.loaded,
.shop__card--content__logo.lazy-loading-image.loaded {
    opacity: 1;
}

/* Testimonial images */
.testimonial__items--thumbnail__img.lazy-loading-image {
    opacity: 0;
    transition: opacity 0.4s ease-in-out;
}

.testimonial__items--thumbnail__img.lazy-loading-image.loaded {
    opacity: 1;
}

/* Slider image specific styles - preserve existing */
.swiper-slide img.lazy-loading-image {
    /* Only add lazy loading specific styles, preserve existing */
    opacity: 0;
    transition: opacity 0.4s ease-in-out;
}

.swiper-slide img.lazy-loading-image.loaded {
    opacity: 1;
}

/* Newsletter popup image - preserve existing */
.newsletter__popup--thumbnail__img.lazy-loading-image {
    /* Only add lazy loading specific styles, preserve existing */
    opacity: 0;
    transition: opacity 0.4s ease-in-out;
}

.newsletter__popup--thumbnail__img.lazy-loading-image.loaded {
    opacity: 1;
}

/* Responsive adjustments - preserve existing responsive behavior */
@media (max-width: 768px) {
    /* Keep existing responsive behavior, only add lazy loading specific styles */
    .lazy-loading-container {
        /* Ensure mobile compatibility */
        max-width: 100%;
    }
}

/* Intersection Observer fallback for older browsers */
.lazy-loading-fallback {
    opacity: 0;
    transition: opacity 0.4s ease-in-out;
}

.lazy-loading-fallback.loaded {
    opacity: 1;
}

/* Performance optimizations */
.lazy-loading-container {
    will-change: opacity;
    contain: layout style paint;
}

.lazy-loading-image {
    will-change: opacity;
    contain: layout style paint;
}

/* Accessibility improvements */
.lazy-loading-container[aria-busy="true"] {
    cursor: wait;
}

.lazy-loading-container[aria-busy="false"] {
    cursor: default;
}

/* Focus styles for keyboard navigation */
.lazy-loading-container:focus-within {
    outline: 2px solid #6f547c;
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .lazy-loading-placeholder {
        background: #000;
        opacity: 0.1;
    }
    
    .lazy-loading-spinner {
        border-color: #000;
        border-top-color: #fff;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .lazy-loading-placeholder {
        animation: none;
        background: #f0f0f0;
    }
    
    .lazy-loading-spinner {
        animation: none;
        border-top-color: #6f547c;
    }
    
    .lazy-loading-image {
        transition: none;
    }
}