/* Author Profile Skeleton Loaders */

/* Skeleton Base */
@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

.skeleton {
    background: linear-gradient(
        90deg,
        #f0f0f0 25%,
        #e0e0e0 50%,
        #f0f0f0 75%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: var(--radius-md, 8px);
}

/* Author Cover Skeleton */
.skeleton-author-cover {
    height: 200px;
    border-radius: var(--radius-lg, 12px);
    margin-bottom: var(--spacing-4, 16px);
}

/* Author Avatar Skeleton */
.skeleton-author-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    margin: -50px auto var(--spacing-4, 16px);
}

/* Author Info Skeleton */
.skeleton-author-name {
    width: 60%;
    height: 28px;
    margin: 0 auto var(--spacing-2, 8px);
}

.skeleton-author-username {
    width: 40%;
    height: 18px;
    margin: 0 auto var(--spacing-3, 12px);
}

.skeleton-author-bio {
    width: 80%;
    height: 40px;
    margin: 0 auto var(--spacing-4, 16px);
}

/* Statistics Cards Skeleton */
.skeleton-stat-card {
    height: 100px;
    border-radius: var(--radius-lg, 12px);
}

/* Tab Navigation Skeleton */
.skeleton-tabs {
    height: 50px;
    border-radius: var(--radius-md, 8px);
}

/* Content Card Skeleton - Vertical */
.skeleton-content-card--vertical {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3, 12px);
}

.skeleton-content-card__cover--vertical {
    width: 100%;
    aspect-ratio: 2/3;
    border-radius: var(--radius-md, 8px);
}

.skeleton-content-card__title {
    width: 90%;
    height: 20px;
    border-radius: var(--radius-sm, 6px);
}

.skeleton-content-card__excerpt {
    width: 100%;
    height: 14px;
    border-radius: var(--radius-sm, 6px);
}

.skeleton-content-card__excerpt:nth-child(2) {
    width: 85%;
}

.skeleton-content-card__author {
    display: flex;
    align-items: center;
    gap: var(--spacing-2, 8px);
}

.skeleton-content-card__author-avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
}

.skeleton-content-card__author-name {
    width: 100px;
    height: 14px;
    border-radius: var(--radius-sm, 6px);
}

.skeleton-content-card__meta {
    display: flex;
    gap: var(--spacing-4, 16px);
}

.skeleton-content-card__meta-item {
    width: 40px;
    height: 14px;
    border-radius: var(--radius-sm, 6px);
}

/* Content Card Skeleton - Horizontal */
.skeleton-content-card--horizontal {
    display: flex;
    gap: var(--spacing-4, 16px);
}

.skeleton-content-card__cover--horizontal {
    width: 120px;
    aspect-ratio: 2/3;
    border-radius: var(--radius-md, 8px);
    flex-shrink: 0;
}

.skeleton-content-card__content--horizontal {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3, 12px);
}

/* Content Card Skeleton - Compact */
.skeleton-content-card--compact {
    height: 80px;
    border-radius: var(--radius-md, 8px);
}

/* Grid Skeleton Container */
.skeleton-grid {
    display: grid;
    gap: var(--spacing-6, 24px);
}

.skeleton-grid--grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
}

.skeleton-grid--list {
    grid-template-columns: 1fr;
}

/* Author Sidebar Skeleton */
.skeleton-sidebar-card {
    padding: var(--spacing-6, 24px);
    border-radius: var(--radius-lg, 12px);
}

.skeleton-sidebar-title {
    width: 50%;
    height: 20px;
    margin-bottom: var(--spacing-4, 16px);
}

.skeleton-sidebar-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin: 0 auto var(--spacing-4, 16px);
}

.skeleton-sidebar-line {
    height: 14px;
    border-radius: var(--radius-sm, 6px);
}

.skeleton-sidebar-line--short {
    width: 40%;
}

.skeleton-sidebar-line--medium {
    width: 70%;
}

.skeleton-sidebar-line--long {
    width: 90%;
}

.skeleton-sidebar-works {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3, 12px);
}

.skeleton-sidebar-work {
    display: flex;
    gap: var(--spacing-3, 12px);
}

.skeleton-sidebar-work-cover {
    width: 50px;
    height: 75px;
    border-radius: var(--radius-md, 8px);
}

.skeleton-sidebar-work-info {
    flex: 1;
}

/* Loading State Class */
.is-loading .skeleton-hide {
    display: none;
}

.is-loading {
    position: relative;
}

.is-loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.7);
    z-index: 10;
}

/* Fade In Animation for Loaded Content */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.content-card--fade-in {
    animation: fadeIn 0.4s ease forwards;
}

.content-card--fade-in:nth-child(1) { animation-delay: 0ms; }
.content-card--fade-in:nth-child(2) { animation-delay: 50ms; }
.content-card--fade-in:nth-child(3) { animation-delay: 100ms; }
.content-card--fade-in:nth-child(4) { animation-delay: 150ms; }
.content-card--fade-in:nth-child(5) { animation-delay: 200ms; }
.content-card--fade-in:nth-child(6) { animation-delay: 250ms; }
.content-card--fade-in:nth-child(7) { animation-delay: 300ms; }
.content-card--fade-in:nth-child(8) { animation-delay: 350ms; }
.content-card--fade-in:nth-child(9) { animation-delay: 400ms; }
.content-card--fade-in:nth-child(10) { animation-delay: 450ms; }