/* ===================================
   BLOG STYLES - KoinOnein
   =================================== */

.blog-filters {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    background: var(--background-card);
    border: 2px solid var(--primary-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-weight: 700;
    text-transform: uppercase;
    cursor: pointer;
    transition: var(--transition-smooth);
    font-size: 0.875rem;
    letter-spacing: 1px;
}

.filter-btn:hover {
    border-color: var(--secondary-color);
    color: var(--primary-color);
    box-shadow: var(--glow-purple);
}

.filter-btn.active {
    background: var(--gradient-primary);
    color: var(--text-light);
    box-shadow: var(--glow-cyan);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
}

.blog-card {
    background: var(--background-card);
    border: 2px solid var(--primary-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-smooth);
}

.blog-card.hidden {
    display: none;
}

.blog-card:hover {
    border-color: var(--secondary-color);
    box-shadow: var(--glow-purple);
    transform: translateY(-8px);
}

.blog-image {
    position: relative;
    height: 200px;
    background: var(--gradient-cyber);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.blog-image::before {
    content: '📰';
    font-size: 4rem;
    opacity: 0.3;
}

.blog-category {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--gradient-primary);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.blog-content {
    padding: 1.5rem;
}

.blog-title {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.25rem;
    line-height: 1.3;
}

.blog-excerpt {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.blog-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    color: var(--text-muted);
    flex-wrap: wrap;
}

.blog-date,
.blog-read-time {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

@media (max-width: 768px) {
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .blog-filters {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-btn {
        width: 100%;
    }
}