/* Amazon/Shopee-like Shimmer Loading Effect */
@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }

    100% {
        transform: translateX(100%);
    }
}

.animate-shimmer {
    background: linear-gradient( 90deg, rgba(229, 231, 235, 0) 0%, rgba(209, 213, 219, 0.5) 50%, rgba(229, 231, 235, 0) 100% );
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

.skeleton-placeholder {
    background-color: #f3f4f6; /* gray-100 */
    position: absolute;
    inset: 0;
    z-index: 10;
}

.optimized-image-container {
    position: relative;
    overflow: hidden;
    background-color: #f3f4f6; /* gray-100 */
}

/* Ensure images fade in smoothly */
.optimized-image-container img {
    opacity: 1;
    transition: opacity 0.3s ease-in-out;
}

.optimized-image-container img.opacity-0 {
    opacity: 0;
}

/* Aspect Ratio Utilities */
.aspect-book {
    aspect-ratio: 2 / 3;
}