/* ============================================
   Article Page Styles
   ============================================ */

.article-page {
    margin-top: 80px;
}

.article-header {
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
}

.article-meta {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-md);
    font-size: 0.875rem;
    animation: fadeInUp 0.6s ease;
}

.article-category {
    color: var(--color-primary);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.article-date,
.article-reading-time {
    color: var(--color-gray);
}

.article-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 6vw, 3.5rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--color-dark);
    animation: fadeInUp 0.6s ease 0.1s backwards;
}

.article-lead {
    font-size: 1.25rem;
    line-height: 1.6;
    color: var(--color-gray);
    margin-bottom: var(--spacing-xl);
    animation: fadeInUp 0.6s ease 0.2s backwards;
}

.article-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    animation: fadeInUp 0.6s ease 0.3s backwards;
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-weight: 700;
    color: var(--color-dark);
}

.author-title {
    font-size: 0.875rem;
    color: var(--color-gray);
}

.article-image {
    width: 100%;
    height: 500px;
    overflow: hidden;
    margin-bottom: var(--spacing-3xl);
    background: linear-gradient(135deg, #f5f5f5 0%, #e0e0e0 100%);
    animation: fadeIn 0.8s ease;
}

.article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.article-content {
    max-width: 800px;
    margin: 0 auto var(--spacing-3xl);
    animation: fadeInUp 0.8s ease 0.4s backwards;
}

.article-content p {
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
    color: #2d3748;
}

.article-content h2 {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 4vw, 2.25rem);
    font-weight: 700;
    margin: var(--spacing-2xl) 0 var(--spacing-md);
    color: var(--color-dark);
}

.article-content h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    margin: var(--spacing-xl) 0 var(--spacing-sm);
    color: var(--color-dark);
}

.article-content strong {
    color: var(--color-dark);
    font-weight: 600;
}

.article-content ul,
.article-content ol {
    margin: var(--spacing-md) 0;
    padding-left: var(--spacing-xl);
}

.article-content li {
    margin-bottom: var(--spacing-sm);
    line-height: 1.8;
}

.article-content blockquote {
    border-left: 4px solid var(--color-primary);
    padding-left: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
    font-style: italic;
    color: var(--color-gray);
    background: #f8f9fa;
    padding: var(--spacing-lg);
    border-radius: 8px;
}

.article-content code {
    background: #f4f4f5;
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 0.875em;
}

.article-content pre {
    background: #1e293b;
    color: #e2e8f0;
    padding: var(--spacing-lg);
    border-radius: 8px;
    overflow-x: auto;
    margin: var(--spacing-lg) 0;
}

.article-content pre code {
    background: none;
    padding: 0;
    color: inherit;
}

.article-footer {
    max-width: 800px;
    margin: 0 auto var(--spacing-3xl);
    padding-top: var(--spacing-xl);
    border-top: 2px solid var(--color-border);
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: #f1f5f9;
    color: var(--color-dark);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 500;
    transition: var(--transition-base);
}

.tag:hover {
    background: var(--color-primary);
    color: white;
}

.article-share {
    text-align: center;
}

.article-share p {
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-dark);
}

.share-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
}

.share-btn {
    padding: 0.75rem 1.5rem;
    background: var(--color-dark);
    color: white;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition-base);
}

.share-btn:hover {
    background: var(--color-primary);
    transform: translateY(-2px);
}

.related-articles {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-3xl) 0;
}

.related-articles h3 {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xl);
    color: var(--color-dark);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.related-card {
    padding: var(--spacing-lg);
    background: white;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    display: block;
}

.related-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.related-card h4 {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-dark);
    line-height: 1.4;
}

.related-card span {
    font-size: 0.875rem;
    color: var(--color-gray);
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@media (max-width: 768px) {
    .article-image {
        height: 300px;
    }
    
    .share-buttons {
        flex-direction: column;
    }
    
    .related-grid {
        grid-template-columns: 1fr;
    }
}