/* ============================================
   ARTICLE PAGE STYLES
   ============================================ */

.article {
    max-width: 800px;
    margin: 0 auto var(--spacing-xxl);
}

.article-loading {
    text-align: center;
    padding: var(--spacing-xxl);
    color: var(--color-text-secondary);
}

.article-header {
    margin-bottom: var(--spacing-xl);
}

.article-title {
    font-family: var(--font-heading);
    font-size: 2.75rem;
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-md);
}

.article-meta-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-lg);
}

.article-author {
    font-weight: 500;
    color: var(--color-text);
}

.article-cover {
    width: 100%;
    aspect-ratio: 16 / 9;
    margin-bottom: var(--spacing-xl);
    overflow: hidden;
}

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

.article-body {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--color-text);
}

.article-body p {
    margin-bottom: var(--spacing-lg);
}

.article-body h2 {
    font-family: var(--font-heading);
    font-size: 1.875rem;
    font-weight: 700;
    line-height: 1.3;
    margin: var(--spacing-xl) 0 var(--spacing-md);
    letter-spacing: -0.01em;
}

.article-body h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    line-height: 1.4;
    margin: var(--spacing-lg) 0 var(--spacing-md);
}

.article-body ul,
.article-body ol {
    margin-bottom: var(--spacing-lg);
    padding-left: var(--spacing-lg);
}

.article-body li {
    margin-bottom: var(--spacing-sm);
}

.article-body a {
    color: var(--color-accent);
    text-decoration: underline;
    text-decoration-color: rgba(0, 102, 204, 0.3);
    text-underline-offset: 2px;
    transition: var(--transition);
}

.article-body a:hover {
    text-decoration-color: var(--color-accent);
}

.article-body blockquote {
    border-left: 4px solid var(--color-accent);
    padding-left: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
    font-style: italic;
    color: var(--color-text-secondary);
}

.article-body img {
    width: 100%;
    height: auto;
    margin: var(--spacing-xl) 0;
}

.article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-xl) 0;
}

.article-body th,
.article-body td {
    padding: var(--spacing-sm);
    border: 1px solid var(--color-border);
    text-align: left;
}

.article-body th {
    background: #F8F9FA;
    font-weight: 600;
}

/* Share buttons */
.article-share {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-xl) 0;
    margin: var(--spacing-xl) 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.article-share-title {
    font-weight: 600;
    margin-right: var(--spacing-sm);
}

.share-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.5rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    transition: var(--transition);
}

.share-btn:hover {
    color: var(--color-accent);
    border-color: var(--color-accent);
}

/* Related Articles */
.related-articles {
    margin-top: var(--spacing-xxl);
}

.section-title {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.01em;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.related-card {
    display: block;
    border: 1px solid var(--color-border);
    overflow: hidden;
    transition: var(--transition);
}

.related-card:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.related-card-image {
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: #F5F5F5;
}

.related-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.related-card:hover .related-card-image img {
    transform: scale(1.03);
}

.related-card-content {
    padding: var(--spacing-md);
}

.related-card-title {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.4;
    margin: var(--spacing-xs) 0;
}

/* Responsive */
@media (max-width: 768px) {
    .article-title {
        font-size: 2rem;
    }

    .article-body {
        font-size: 1rem;
    }

    .article-body h2 {
        font-size: 1.5rem;
    }

    .article-body h3 {
        font-size: 1.25rem;
    }

    .related-grid {
        grid-template-columns: 1fr;
    }

    .article-share {
        flex-wrap: wrap;
    }
}