/* Category Page Styles */
.category-hero {
    min-height: 70vh;
    display: flex;
    align-items: center;
    background: 
        radial-gradient(circle at 30% 70%, rgba(6, 182, 212, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 70% 30%, rgba(59, 130, 246, 0.1) 0%, transparent 50%);
    padding: 8rem var(--spacing-lg) var(--spacing-2xl);
}

.category-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.category-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    display: block;
}

.category-title {
    font-size: var(--font-5xl);
    margin-bottom: var(--spacing-md);
    background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.category-description {
    font-size: var(--font-lg);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

.category-stats {
    display: flex;
    gap: var(--spacing-xl);
    justify-content: center;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: var(--font-2xl);
    font-weight: bold;
    color: var(--primary-color);
}

.stat-label {
    font-size: var(--font-sm);
    color: var(--text-muted);
}

.category-content {
    padding: var(--spacing-3xl) 0;
}

.category-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.category-filter h3 {
    font-size: var(--font-lg);
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.filter-tags {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.filter-tag {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(6, 182, 212, 0.2);
    color: var(--primary-color);
    border-radius: var(--radius-xs);
    font-size: var(--font-sm);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid rgba(6, 182, 212, 0.3);
}

.filter-tag:hover {
    background: rgba(6, 182, 212, 0.3);
    transform: translateY(-2px);
}

.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

.loading-posts {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--spacing-3xl);
    color: var(--text-muted);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(6, 182, 212, 0.3);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-md);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.empty-category {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--spacing-3xl);
    background: var(--surface);
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.empty-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

.empty-category h3 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.empty-category p {
    color: var(--text-muted);
    margin-bottom: var(--spacing-lg);
}

/* Responsive */
@media (max-width: 768px) {
    .category-hero {
        padding: 6rem var(--spacing-md) var(--spacing-xl);
    }
    
    .category-title {
        font-size: var(--font-4xl);
    }
    
    .category-stats {
        gap: var(--spacing-lg);
    }
    
    .category-nav {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }
    
    .filter-tags {
        justify-content: center;
    }
    
    .posts-grid {
        grid-template-columns: 1fr;
    }
}