/* Loading Skeletons */
/* Shimmer animation for skeleton placeholders */

@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

.skeleton {
    background: var(--color-surface-2);
    border-radius: 4px;
    position: relative;
    overflow: hidden;
}

.skeleton::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.1),
        transparent
    );
    background-size: 1000px 100%;
    animation: shimmer 1.5s infinite;
}

.skeleton-title {
    height: 1.5rem;
    width: 60%;
    margin-bottom: 0.75rem;
}

.skeleton-line {
    height: 1rem;
    width: 100%;
    margin-bottom: 0.5rem;
}

.skeleton-line--short {
    width: 75%;
}

.skeleton-line--medium {
    width: 85%;
}

.skeleton-meta {
    height: 0.875rem;
    width: 30%;
    margin-top: 0.5rem;
}

.skeleton-badge {
    height: 1.5rem;
    width: 80px;
    border-radius: 12px;
    margin-bottom: 0.75rem;
}

.skeleton-card {
    padding: var(--space-lg);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.skeleton-image {
    width: 100%;
    height: 200px;
    margin-bottom: var(--space-md);
    border-radius: var(--radius-md);
}

.skeleton-tag {
    display: inline-block;
    height: 1.25rem;
    width: 60px;
    border-radius: 12px;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
}

/* Blog post card skeleton */
.skeleton-post-card {
    padding: var(--space-lg);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.skeleton-post-card .skeleton-title {
    width: 70%;
    height: 1.75rem;
    margin-bottom: var(--space-sm);
}

.skeleton-post-card .skeleton-line {
    height: 1rem;
    margin-bottom: 0.5rem;
}

.skeleton-post-card .skeleton-line:last-of-type {
    width: 50%;
}

/* Post content skeleton */
.skeleton-post-content {
    max-width: 720px;
    margin: 0 auto;
}

.skeleton-post-content .skeleton-title {
    width: 100%;
    height: 3rem;
    margin-bottom: var(--space-md);
}

.skeleton-post-content .skeleton-line {
    height: 1.25rem;
    margin-bottom: 0.75rem;
}

.skeleton-post-content .skeleton-line:nth-child(3n) {
    width: 90%;
}

.skeleton-post-content .skeleton-line:nth-child(5n) {
    width: 95%;
}

/* Work card skeleton */
.skeleton-work-card {
    padding: var(--space-lg);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.skeleton-work-card .skeleton-title {
    width: 65%;
    height: 1.5rem;
    margin-bottom: var(--space-sm);
}

.skeleton-work-card .skeleton-line {
    height: 1rem;
    margin-bottom: 0.5rem;
}

.skeleton-work-card .skeleton-line:last-of-type {
    width: 80%;
}

/* Grid of skeletons */
.skeleton-grid {
    display: grid;
    gap: var(--space-lg);
    width: 100%;
}

.skeleton-grid--blog {
    grid-template-columns: repeat(2, 1fr);
    min-height: 400px;
}

.skeleton-grid--work {
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
}

@media (max-width: 768px) {
    .skeleton-grid--blog {
        grid-template-columns: 1fr;
    }
    
    .skeleton-grid--work {
        grid-template-columns: 1fr;
    }
}

/* Fade in animation when content loads */
.skeleton-fade-out {
    opacity: 0;
    transition: opacity 0.3s ease;
}

@media (prefers-reduced-motion: reduce) {
    .skeleton::after {
        animation: none;
    }
    
    .skeleton-fade-out {
        transition: none;
    }
}