/**
 * OTAVOX Image Fallback Styles
 * 
 * Provides styling for image fallback system including
 * loading states, placeholders, and error indicators.
 */

/* Image containers - using canonical u-imgbox classes only */
.u-imgbox {
    border-radius: 8px;
}

.product-card .u-imgbox {
    width: 100%;
}

/* Image loading states */
.image-loading {
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: 8px;
    padding: 20px;
    z-index: 10;
}

.image-loading .spinner-border {
    width: 2rem;
    height: 2rem;
}

/* Images with fallback support - using canonical classes only */
.u-imgbox .u-imgfit {
    transition: opacity 0.3s ease, filter 0.3s ease;
    background-color: #f8f9fa;
}

/* Loading state for images */
.u-imgbox .u-imgfit[data-fallback-setup="true"]:not([src*="data:image"]) {
    opacity: 0.7;
}

/* Fallback image styling */
.u-imgbox .u-imgfit[src*="placeholder"],
.u-imgbox .u-imgfit[src*="no-image"],
.u-imgbox .u-imgfit[src*="data:image/svg"] {
    filter: none !important;
    opacity: 0.8;
    background-color: #f8f9fa;
}

/* Hover effects for product images - using canonical classes only */
.product-card:hover .u-imgbox .u-imgfit {
    transform: scale(1.05);
    transition: transform 0.3s ease;
}

.product-card:hover .u-imgbox .u-imgfit[src*="placeholder"],
.product-card:hover .u-imgbox .u-imgfit[src*="no-image"],
.product-card:hover .u-imgbox .u-imgfit[src*="data:image/svg"] {
    transform: scale(1.02); /* Less zoom for placeholders */
}

/* Image error indicator */
.image-error-indicator {
    position: absolute;
    top: 8px;
    right: 8px;
    background-color: rgba(220, 53, 69, 0.9);
    color: white;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 500;
    z-index: 5;
}

/* Placeholder image specific styling */
.placeholder-image {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #6c757d;
    font-size: 14px;
    text-align: center;
    min-height: 200px;
}

.placeholder-image .placeholder-icon {
    font-size: 48px;
    margin-bottom: 8px;
    opacity: 0.5;
}

/* Responsive image sizing */
@media (max-width: 768px) {
    .product-image,
    .u-imgbox {
        min-height: 180px;
    }
    
    .image-loading .spinner-border {
        width: 1.5rem;
        height: 1.5rem;
    }
}

@media (max-width: 576px) {
    .u-imgbox {
        min-height: 150px;
    }
    
    .placeholder-image {
        min-height: 150px;
        font-size: 12px;
    }
    
    .placeholder-image .placeholder-icon {
        font-size: 36px;
    }
}

/* Image lazy loading support */
.u-imgbox .u-imgfit[loading="lazy"] {
    opacity: 0;
    transition: opacity 0.3s ease;
}

.u-imgbox .u-imgfit[loading="lazy"].loaded {
    opacity: 1;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .u-imgbox .u-imgfit[src*="placeholder"],
    .u-imgbox .u-imgfit[src*="no-image"] {
        filter: contrast(1.2);
    }
    
    .placeholder-image {
        border: 2px solid #6c757d;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .u-imgbox .u-imgfit,
    .image-loading,
    .product-card:hover .u-imgbox .u-imgfit {
        transition: none;
        transform: none;
    }
}

/* Print styles */
@media print {
    .image-loading,
    .image-error-indicator {
        display: none;
    }
    
    .u-imgbox .u-imgfit[src*="placeholder"],
    .u-imgbox .u-imgfit[src*="no-image"] {
        filter: grayscale(100%);
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    .u-imgbox {
        background-color: #2d3748;
    }
    
    .u-imgbox .u-imgfit {
        background-color: #2d3748;
    }
    
    .image-loading {
        background-color: rgba(45, 55, 72, 0.9);
    }
    
    .placeholder-image {
        background: linear-gradient(135deg, #2d3748 0%, #4a5568 100%);
        color: #a0aec0;
    }
}

/* Accessibility improvements */
.u-imgbox .u-imgfit[alt=""],
.u-imgbox .u-imgfit:not([alt]) {
    /* Ensure images without alt text are still accessible */
    position: relative;
}

.u-imgbox .u-imgfit[alt=""]:after,
.u-imgbox .u-imgfit:not([alt]):after {
    content: "Product image";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    opacity: 0;
    pointer-events: none;
}

/* Focus states for keyboard navigation */
.u-imgbox:focus-within .u-imgfit {
    outline: 2px solid #007bff;
    outline-offset: 2px;
}

/* Animation for image state changes */
@keyframes imageLoad {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.u-imgbox .u-imgfit.image-loaded {
    animation: imageLoad 0.3s ease-out;
}