/* News Detail Page Styles */

/* 面包屑区域 */
.article-breadcrumb {
    padding: var(--spacing-6) 0;
    background: var(--color-gray-50);
    border-bottom: 1px solid var(--color-gray-100);
}

/* 文章网格布局 */
.article-section {
    padding: var(--spacing-12) 0;
}

.article-grid {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: var(--spacing-10);
}

/* 主文章区域 */
.article-main {
    background: var(--color-bg-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.article-header {
    padding: var(--spacing-8);
    border-bottom: 1px solid var(--color-gray-100);
}

.article-category {
    display: inline-block;
    padding: var(--spacing-1) var(--spacing-3);
    background: var(--color-primary-100);
    color: var(--color-primary-700);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-4);
}

.article-title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    line-height: 1.3;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-4);
}

.article-meta {
    display: flex;
    gap: var(--spacing-6);
    color: var(--color-text-tertiary);
    font-size: var(--font-size-sm);
}

.article-meta span {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

/* 特色图片 */
.article-featured-image {
    width: 100%;
    aspect-ratio: 16/9;
    overflow: hidden;
}

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

/* 文章内容 */
.article-content {
    padding: var(--spacing-8);
    font-size: 1.125rem;
    /* Larger base size for reading */
    line-height: 1.8;
    color: var(--color-text-secondary);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    /* Ensure readable font */
}

.article-content>* {
    max-width: 68ch;
    /* Optimal reading width */
}

.article-content p {
    margin-bottom: var(--spacing-6);
}

.article-content h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-top: var(--spacing-10);
    margin-bottom: var(--spacing-4);
    letter-spacing: -0.02em;
}

.article-content h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-top: var(--spacing-8);
    margin-bottom: var(--spacing-3);
}

.article-content ul,
.article-content ol {
    margin-bottom: var(--spacing-8);
    padding-left: var(--spacing-6);
}

.article-content li {
    margin-bottom: var(--spacing-3);
    position: relative;
}

.article-content blockquote {
    border-left: 4px solid var(--color-primary-500);
    background: var(--color-primary-50);
    padding: var(--spacing-6);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    margin: var(--spacing-8) 0;
    font-style: italic;
    color: var(--color-text-primary);
    position: relative;
}

.article-content blockquote::before {
    content: '\f10d';
    /* FontAwesome quote icon */
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    top: -10px;
    left: 10px;
    font-size: 1.5rem;
    color: var(--color-primary-200);
    background: var(--color-bg-primary);
    border-radius: 50%;
    /* Keep it subtle */
    opacity: 0.5;
}

/* 文章操作 */
.article-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-6) var(--spacing-8);
    border-top: 1px solid var(--color-gray-100);
    background: var(--color-gray-50);
}

.article-share {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.article-share span {
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
}

.share-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    color: white;
    transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.share-btn:hover {
    transform: scale(1.1);
    opacity: 0.9;
}

.share-btn--facebook {
    background: #1877f2;
}

.share-btn--twitter {
    background: #1da1f2;
}

.share-btn--linkedin {
    background: #0077b5;
}

.share-btn--whatsapp {
    background: #25d366;
}

/* 侧边栏 */
.article-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-6);
}

.sidebar-widget {
    background: var(--color-bg-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-6);
    box-shadow: var(--shadow-sm);
}

.sidebar-widget__title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-4);
    padding-bottom: var(--spacing-3);
    border-bottom: 2px solid var(--color-primary-500);
}

.sidebar-widget--cta {
    background: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-700));
    color: white;
}

.sidebar-widget--cta .sidebar-widget__title {
    border-bottom-color: rgba(255, 255, 255, 0.3);
}

.sidebar-widget--cta p {
    margin-bottom: var(--spacing-4);
    opacity: 0.9;
}

/* 相关文章 */
.related-articles {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.related-article {
    display: flex;
    gap: var(--spacing-4);
    padding: var(--spacing-4);
    border-radius: var(--radius-md);
    transition: background-color 0.2s ease;
    border-bottom: 1px solid var(--color-gray-100);
}

.related-article:hover {
    background-color: var(--color-gray-50);
}

.related-article:last-child {
    border-bottom: none;
}

.related-article__image {
    width: 80px;
    height: 80px;
    /* Square thumbnail */
    border-radius: var(--radius-md);
    overflow: hidden;
    flex-shrink: 0;
}

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

.related-article:hover .related-article__image img {
    transform: scale(1.1);
}

.related-article__content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.related-article__title {
    font-size: 0.95rem;
    font-weight: 600;
    line-height: 1.4;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-2);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.related-article__date {
    font-size: 0.8rem;
    color: var(--color-text-tertiary);
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
}

.related-article__date::before {
    content: '\f133';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
}

/* 响应式 */
@media (max-width: 1024px) {
    .article-grid {
        grid-template-columns: 1fr;
    }

    .article-sidebar {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .article-title {
        font-size: var(--font-size-2xl);
    }

    .article-meta {
        flex-direction: column;
        gap: var(--spacing-2);
    }

    .article-actions {
        flex-direction: column;
        gap: var(--spacing-4);
    }

    .article-sidebar {
        grid-template-columns: 1fr;
    }
}