/**
 * Skeleton Loading Styles
 * Provides animated placeholders for content loading states
 */

.skeleton {
    background: linear-gradient(
        90deg,
        #e8eef5 0%,
        #f7faff 40%,
        #e8eef5 80%,
        #e8eef5 100%
    );
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.8s ease-in-out infinite;
    border-radius: 8px;
    position: relative;
    overflow: hidden;
}

.skeleton::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.5) 50%,
        transparent 100%
    );
    animation: skeleton-wave 1.8s ease-in-out infinite;
}

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

@keyframes skeleton-wave {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

/* Skeleton Variants */
.skeleton-text {
    height: 1rem;
    margin-bottom: 0.5rem;
    border-radius: 4px;
}

.skeleton-text.skeleton-text--sm {
    height: 0.75rem;
}

.skeleton-text.skeleton-text--lg {
    height: 1.25rem;
}

.skeleton-title {
    height: 1.5rem;
    width: 70%;
    margin-bottom: 0.75rem;
    border-radius: 6px;
}

.skeleton-title.skeleton-title--lg {
    height: 2rem;
    width: 80%;
}

.skeleton-button {
    height: 2.5rem;
    width: 8rem;
    border-radius: 9999px;
}

.skeleton-avatar {
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
}

.skeleton-avatar--lg {
    width: 4rem;
    height: 4rem;
}

.skeleton-image {
    width: 100%;
    padding-top: 56.25%; /* 16:9 aspect ratio */
    border-radius: 12px;
}

.skeleton-image--square {
    padding-top: 100%;
}

.skeleton-image--product {
    padding-top: 100%;
    border-radius: 16px;
}

/* Skeleton Card - for video/product cards */
.skeleton-card {
    background: #ffffff;
    border: 1px solid #e8eef5;
    border-radius: 24px;
    padding: 1rem;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

.skeleton-card__image {
    width: 100%;
    padding-top: 75%;
    background: linear-gradient(
        90deg,
        #e8eef5 0%,
        #f7faff 40%,
        #e8eef5 80%,
        #e8eef5 100%
    );
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.8s ease-in-out infinite;
    border-radius: 16px;
    margin-bottom: 1rem;
    position: relative;
    overflow: hidden;
}

.skeleton-card__image::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.5) 50%,
        transparent 100%
    );
    animation: skeleton-wave 1.8s ease-in-out infinite;
}

.skeleton-card__title {
    height: 1.25rem;
    width: 85%;
    background: linear-gradient(
        90deg,
        #e8eef5 0%,
        #f7faff 40%,
        #e8eef5 80%,
        #e8eef5 100%
    );
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.8s ease-in-out infinite;
    border-radius: 6px;
    margin-bottom: 0.5rem;
    position: relative;
    overflow: hidden;
}

.skeleton-card__title::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.5) 50%,
        transparent 100%
    );
    animation: skeleton-wave 1.8s ease-in-out infinite;
}

.skeleton-card__text {
    height: 0.875rem;
    width: 60%;
    background: linear-gradient(
        90deg,
        #e8eef5 0%,
        #f7faff 40%,
        #e8eef5 80%,
        #e8eef5 100%
    );
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.8s ease-in-out infinite;
    border-radius: 4px;
    position: relative;
    overflow: hidden;
}

.skeleton-card__text::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.5) 50%,
        transparent 100%
    );
    animation: skeleton-wave 1.8s ease-in-out infinite;
}

/* Skeleton List Item - for cart/order items */
.skeleton-list-item {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background: #ffffff;
    border: 1px solid #e8eef5;
    border-radius: 16px;
    margin-bottom: 1rem;
}

.skeleton-list-item__image {
    width: 5rem;
    height: 5rem;
    flex-shrink: 0;
    background: linear-gradient(
        90deg,
        #e8eef5 0%,
        #f7faff 40%,
        #e8eef5 80%,
        #e8eef5 100%
    );
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.8s ease-in-out infinite;
    border-radius: 12px;
    position: relative;
    overflow: hidden;
}

.skeleton-list-item__image::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.5) 50%,
        transparent 100%
    );
    animation: skeleton-wave 1.8s ease-in-out infinite;
}

.skeleton-list-item__content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.skeleton-list-item__title {
    height: 1rem;
    width: 70%;
    background: linear-gradient(
        90deg,
        #e8eef5 0%,
        #f7faff 40%,
        #e8eef5 80%,
        #e8eef5 100%
    );
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.8s ease-in-out infinite;
    border-radius: 4px;
    position: relative;
    overflow: hidden;
}

.skeleton-list-item__title::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.5) 50%,
        transparent 100%
    );
    animation: skeleton-wave 1.8s ease-in-out infinite;
}

.skeleton-list-item__subtitle {
    height: 0.75rem;
    width: 50%;
    background: linear-gradient(
        90deg,
        #e8eef5 0%,
        #f7faff 40%,
        #e8eef5 80%,
        #e8eef5 100%
    );
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.8s ease-in-out infinite;
    border-radius: 4px;
    position: relative;
    overflow: hidden;
}

.skeleton-list-item__subtitle::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.5) 50%,
        transparent 100%
    );
    animation: skeleton-wave 1.8s ease-in-out infinite;
}

/* Utility: Hide skeleton when content loads */
.skeleton-hidden {
    display: none !important;
}

/* Responsive adjustments */
@media (max-width: 640px) {
    .skeleton-card__image {
        padding-top: 60%;
    }
    
    .skeleton-list-item {
        gap: 0.75rem;
        padding: 0.75rem;
    }
    
    .skeleton-list-item__image {
        width: 4rem;
        height: 4rem;
    }
}

/* RTL support */
[dir="rtl"] .skeleton-card__title,
[dir="rtl"] .skeleton-card__text,
[dir="rtl"] .skeleton-list-item__title,
[dir="rtl"] .skeleton-list-item__subtitle {
    margin-right: 0;
    margin-left: auto;
}