/* ==================== 文章详情页样式 ==================== */

:root {
    --primary-color: #2F80ED;
    --secondary-color: #56CCF2;
    --accent-color: #6FCF97;
    --text-color: #2D3748;
    --text-light: #718096;
    --bg-secondary: #F7FAFC;
    --border-color: #E2E8F0;
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.1);
    --font-mono: 'Monaco', 'Consolas', 'Courier New', monospace;
    --transition-normal: 0.3s ease;
}

.post-container {
    padding: var(--spacing-lg) 0;
}

.post-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: var(--spacing-xl);
    align-items: start;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ==================== 文章主体 ==================== */
.post-content {
    background: white;
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow);
    min-width: 0;
}

.post-hero {
    position: relative;
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    margin-bottom: var(--spacing-xl);
    color: #fff;
    overflow: hidden;
}

.post-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.25), transparent 60%),
                radial-gradient(circle at 80% 0%, rgba(255, 255, 255, 0.18), transparent 55%);
    pointer-events: none;
}

.post-hero > * {
    position: relative;
    z-index: 1;
}

.post-hero--tech {
    background: linear-gradient(135deg, #0f172a, #1f3a8a 70%, #0b62f3);
    box-shadow: 0 25px 60px rgba(15, 23, 42, 0.55);
}

.post-hero--life {
    background: linear-gradient(135deg, #0f3b2e, #0a5240 70%, #0f9b66);
    box-shadow: 0 25px 60px rgba(6, 54, 41, 0.45);
}

.post-hero--notes {
    background: linear-gradient(135deg, #2b1b3f, #4d2c79 65%, #b067e7);
    box-shadow: 0 25px 60px rgba(35, 17, 53, 0.5);
}

.post-hero__kicker {
    text-transform: uppercase;
    letter-spacing: 0.35em;
    font-size: var(--text-xs);
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-sm);
}

.post-hero__excerpt {
    font-size: var(--text-lg);
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: var(--spacing-lg);
}

.post-hero__meta {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    margin-bottom: var(--spacing-md);
}

.post-hero__meta .meta-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.85);
}

.post-hero__tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-lg);
}

.tag-pill {
    display: inline-flex;
    align-items: center;
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    font-size: var(--text-sm);
    font-weight: 600;
    text-decoration: none;
    transition: transform var(--transition-normal), background var(--transition-normal);
}

.tag-pill:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.25);
}

.post-hero__media {
    margin-top: var(--spacing-lg);
}

.post-hero__tags .tag-pill {
    border-color: rgba(255, 255, 255, 0.25);
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
}

/* 文章头部 */
.post-header-section {
    margin-bottom: var(--spacing-xl);
}

.post-categories {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.post-category-link {
    display: inline-block;
    padding: var(--space-xs) 0.75rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    text-decoration: none;
    border-radius: var(--radius-xl);
    font-size: var(--text-sm);
    font-weight: 600;
    transition: all var(--transition-fast) ease;
}

.post-category-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(47, 128, 237, 0.3);
}

.post-title-main {
    font-size: var(--text-4xl);
    font-weight: 800;
    line-height: 1.2;
    color: var(--text-color);
    margin: 0 0 var(--spacing-md) 0;
}

.post-meta-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.author-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.author-avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    border: 2px solid var(--primary-color);
}

.author-name {
    font-weight: 600;
    color: var(--text-color);
}

.post-hero .author-avatar {
    border-color: rgba(255, 255, 255, 0.8);
}

.post-hero .author-name {
    color: rgba(255, 255, 255, 0.9);
}

.post-stats {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.stat-item {
    font-size: var(--text-sm);
    color: var(--text-light);
}

.post-featured-image {
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: var(--spacing-lg);
}

.post-featured-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* 文章摘要框 */
.post-excerpt-box {
    background: linear-gradient(135deg, rgba(47, 128, 237, 0.05), rgba(86, 204, 242, 0.05));
    border-left: 4px solid var(--primary-color);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}

.post-excerpt-box p {
    margin: 0;
    color: var(--text-color);
    line-height: 1.8;
    font-size: var(--text-lg);
}

/* 文章正文 */
.post-body {
    font-size: var(--text-lg);
    line-height: 1.8;
    color: var(--text-color);
}

.post-body h2 {
    font-size: var(--text-2xl);
    font-weight: 700;
    margin: var(--spacing-xl) 0 var(--spacing-md) 0;
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--bg-secondary);
    color: var(--text-color);
}

.post-body h3 {
    font-size: var(--text-xl);
    font-weight: 600;
    margin: var(--spacing-lg) 0 var(--spacing-sm) 0;
    color: var(--text-color);
}

.post-body p {
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

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

.post-body li {
    margin-bottom: var(--spacing-xs);
    line-height: 1.8;
}

.post-body a {
    color: var(--primary-color);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: all var(--transition-fast) ease;
}

.post-body a:hover {
    border-bottom-color: var(--primary-color);
}

.post-body img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    margin: var(--spacing-lg) 0;
}

.post-body blockquote {
    border-left: 4px solid var(--primary-color);
    padding: var(--spacing-md);
    margin: var(--spacing-lg) 0;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    font-style: italic;
}

/* 代码块 */
.post-body pre {
    background: #1a202c;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin: var(--spacing-lg) 0;
}

.post-body code {
    color: #e2e8f0;
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    line-height: 1.6;
}

.post-body p code,
.post-body li code {
    background: var(--bg-secondary);
    color: #e53e3e;
    padding: var(--space-xs) var(--space-xs);
    border-radius: var(--radius-sm);
    font-size: var(--text-sm);
}

/* 标签区域 */
.post-tags-section {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 2px solid var(--border-color);
}

.post-tags-section h3 {
    font-size: var(--text-xl);
    margin-bottom: var(--spacing-md);
}

.post-tags-list {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.tag-item {
    display: inline-block;
    padding: var(--space-sm) 1rem;
    background: var(--bg-secondary);
    color: var(--text-light);
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-size: var(--text-sm);
    transition: all var(--transition-fast);
}

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

/* 作者信息卡片 */
.author-card {
    display: flex;
    gap: var(--spacing-md);
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-xl);
}

.author-card-avatar {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-full);
    border: 3px solid var(--primary-color);
    flex-shrink: 0;
}

.author-card-info h4 {
    font-size: var(--text-xl);
    margin: 0 0 var(--spacing-xs) 0;
}

.author-card-info p {
    color: var(--text-light);
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

.author-social {
    display: flex;
    gap: var(--spacing-sm);
}

.social-link {
    padding: var(--space-xs) var(--space-md);
    background: white;
    color: var(--primary-color);
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-size: var(--text-sm);
    transition: all var(--transition-fast);
}

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

/* 相关文章 */
.related-posts-section {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 2px solid var(--border-color);
}

.related-posts-section h3 {
    font-size: var(--text-xl);
    margin-bottom: var(--spacing-md);
}

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

.related-post-card {
    display: block;
    background: white;
    border-radius: var(--radius-md);
    overflow: hidden;
    text-decoration: none;
    box-shadow: var(--shadow);
    transition: all var(--transition-base);
}

.related-post-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.related-post-card img {
    width: 100%;
    height: 150px;
    object-fit: cover;
}

.related-post-info {
    padding: var(--spacing-md);
}

.related-post-info h4 {
    font-size: var(--text-base);
    margin: 0 0 var(--spacing-xs) 0;
    color: var(--text-color);
}

.related-post-info p {
    font-size: var(--text-sm);
    color: var(--text-light);
    margin: 0;
}

/* ==================== 文章侧边栏 ==================== */
.post-sidebar {
    position: sticky;
    top: 90px;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.sidebar-widget {
    background: white;
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    box-shadow: var(--shadow);
    border: 2px solid transparent;
    transition: all var(--transition-normal);
}

.sidebar-widget:hover {
    border-color: rgba(47, 128, 237, 0.2);
    box-shadow: 0 8px 24px rgba(47, 128, 237, 0.1);
}

.widget-title {
    font-size: var(--text-lg);
    font-weight: 700;
    margin: 0 0 var(--spacing-md) 0;
    color: var(--text-color);
}

/* 目录导航 */
.toc-widget {
    max-height: 60vh;
    overflow-y: auto;
}

.table-of-contents {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.toc-item {
    display: block;
    padding: var(--spacing-xs) var(--spacing-sm);
    color: var(--text-light);
    text-decoration: none;
    border-left: 2px solid transparent;
    font-size: var(--text-sm);
    transition: all var(--transition-fast);
}

.toc-item:hover {
    color: var(--primary-color);
    background: var(--bg-secondary);
    border-left-color: var(--primary-color);
}

.toc-item.active {
    color: var(--primary-color);
    background: var(--bg-secondary);
    border-left-color: var(--primary-color);
    font-weight: 600;
}

.toc-h2 {
    padding-left: var(--spacing-sm);
}

.toc-h3 {
    padding-left: var(--spacing-lg);
    font-size: var(--text-sm);
}

/* 工具列表 */
.tool-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.tool-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: inherit;
    transition: all var(--transition-normal);
    background: var(--bg-secondary);
}

.tool-card:hover {
    background: white;
    box-shadow: var(--shadow);
    transform: translateX(4px);
}

.tool-icon {
    font-size: var(--text-2xl);
    flex-shrink: 0;
}

.tool-info h4 {
    font-size: var(--text-sm);
    margin: 0 0 0.25rem 0;
    color: var(--text-color);
}

.tool-info p {
    font-size: var(--text-xs);
    color: var(--text-light);
    margin: 0;
}

/* 分享按钮 */
.share-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.share-btn {
    width: 100%;
    padding: var(--spacing-sm);
    border: none;
    border-radius: var(--radius-sm);
    font-size: var(--text-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-weight: 500;
}

.share-btn.twitter {
    background: #1DA1F2;
    color: white;
}

.share-btn.weibo {
    background: #E6162D;
    color: white;
}

.share-btn.wechat {
    background: #07C160;
    color: white;
}

.share-btn.link {
    background: var(--bg-secondary);
    color: var(--text-color);
}

.share-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* ==================== 颜色变体 ==================== */
/* 技术专栏 - 蓝色 */
.post-tech .post-category-link,
.post-tech .tag-item:hover,
.post-tech .sidebar-widget:hover {
    background: linear-gradient(135deg, #2F80ED, #56CCF2);
}

.post-tech .author-avatar,
.post-tech .author-card-avatar {
    border-color: #2F80ED;
}

.post-tech .post-excerpt-box {
    background: linear-gradient(135deg, rgba(47, 128, 237, 0.05), rgba(86, 204, 242, 0.05));
    border-left-color: #2F80ED;
}

/* 思考笔记 - 橙色 */
.post-notes .post-category-link,
.post-notes .tag-item:hover,
.post-notes .sidebar-widget:hover {
    background: linear-gradient(135deg, #F2994A, #F2C94C);
}

.post-notes .author-avatar,
.post-notes .author-card-avatar {
    border-color: #F2994A;
}

.post-notes .post-excerpt-box {
    background: linear-gradient(135deg, rgba(242, 153, 74, 0.05), rgba(242, 201, 76, 0.05));
    border-left-color: #F2994A;
}

.post-notes .sidebar-widget:hover {
    border-color: rgba(242, 153, 74, 0.2);
    box-shadow: 0 8px 24px rgba(242, 153, 74, 0.1);
}

/* 生活随笔 - 绿色 */
.post-life .post-category-link,
.post-life .tag-item:hover,
.post-life .sidebar-widget:hover {
    background: linear-gradient(135deg, #6FCF97, #56CCF2);
}

.post-life .author-avatar,
.post-life .author-card-avatar {
    border-color: #6FCF97;
}

.post-life .post-excerpt-box {
    background: linear-gradient(135deg, rgba(111, 207, 151, 0.05), rgba(86, 204, 242, 0.05));
    border-left-color: #6FCF97;
}

.post-life .sidebar-widget:hover {
    border-color: rgba(111, 207, 151, 0.2);
    box-shadow: 0 8px 24px rgba(111, 207, 151, 0.1);
}

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

    .post-sidebar {
        position: static;
        grid-row: 2;
    }

    .toc-widget {
        max-height: none;
    }
}

@media (max-width: 768px) {
    .post-layout {
        padding: 0 1rem;
    }

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

    .post-hero {
        padding: var(--spacing-lg);
    }

    .post-hero__meta {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }

    .post-title-main {
        font-size: var(--text-2xl);
    }

    .post-body {
        font-size: var(--text-base);
    }

    .post-body h2 {
        font-size: var(--text-2xl);
    }

    .post-body h3 {
        font-size: var(--text-xl);
    }

    .author-card {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }

    .author-social {
        justify-content: center;
    }

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

    .post-meta-info {
        flex-direction: column;
        align-items: flex-start;
    }

    .post-body pre {
        font-size: var(--text-sm);
        padding: var(--spacing-sm);
    }
}