/* ============ 文章页布局 ============ */
.post-main {
  padding-top: 32px;
  background: var(--bg-primary);
}

.post-container {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 48px;
}

/* ============ 文章主体 ============ */
.post-article {
  min-width: 0;
}

/* 文章头部 */
.article-header {
  margin-bottom: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
  font-size: 14px;
}

.article-category {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--primary);
  color: #fff;
  padding: 6px 14px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
}

.article-category.category-tea {
  background: #f5576c;
}

.article-date {
  color: var(--text-muted);
}

.article-reading {
  color: var(--text-muted);
}

.article-title {
  font-size: 36px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.4;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.article-tags {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.article-tags .tag {
  display: inline-block;
  background: var(--bg-secondary);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 13px;
  color: var(--text-secondary);
  transition: var(--transition);
}

.article-tags .tag:hover {
  background: var(--primary);
  color: #fff;
}

/* 文章内容 */
.article-content {
  font-size: 17px;
  line-height: 2;
  color: var(--text-primary);
}

.article-content h1,
.article-content h2,
.article-content h3,
.article-content h4 {
  color: var(--text-primary);
  font-weight: 600;
  margin-top: 48px;
  margin-bottom: 20px;
}

.article-content h1 {
  font-size: 32px;
}

.article-content h2 {
  font-size: 26px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--border);
}

.article-content h3 {
  font-size: 22px;
}

.article-content h4 {
  font-size: 18px;
}

.article-content p {
  margin-bottom: 24px;
}

.article-content a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.article-content a:hover {
  color: var(--primary-dark);
}

.article-content ul,
.article-content ol {
  margin-bottom: 24px;
  padding-left: 28px;
}

.article-content li {
  margin-bottom: 8px;
}

.article-content blockquote {
  margin: 32px 0;
  padding: 20px 24px;
  background: var(--bg-secondary);
  border-left: 4px solid var(--primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.article-content blockquote p:last-child {
  margin-bottom: 0;
}

.article-content code {
  background: var(--bg-tertiary);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 15px;
  font-family: 'SF Mono', Monaco, Consolas, monospace;
}

.article-content pre {
  margin: 32px 0;
  padding: 24px;
  background: #1a1a1a;
  border-radius: var(--radius);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  max-width: 100%;
}

.article-content pre code {
  background: transparent;
  padding: 0;
  color: #e5e5e5;
  font-size: 14px;
  line-height: 1.6;
  white-space: pre;
  word-wrap: normal;
  display: block;
  min-width: min-content;
}

.article-content table {
  width: 100%;
  margin: 32px 0;
  border-collapse: collapse;
  font-size: 15px;
}

.article-content th,
.article-content td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.article-content th {
  background: var(--bg-secondary);
  font-weight: 600;
}

.article-content tr:hover td {
  background: var(--bg-secondary);
}

.article-content img {
  margin: 32px 0;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.article-content hr {
  margin: 48px 0;
  border: none;
  height: 1px;
  background: var(--border);
}

/* 文章底部 */
.article-footer {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

.article-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 14px;
  transition: var(--transition);
}

.nav-back:hover {
  color: var(--primary);
}

.edit-link {
  color: var(--text-muted);
  font-size: 14px;
  transition: var(--transition);
}

.edit-link:hover {
  color: var(--primary);
}

/* ============ 侧边栏 ============ */
.post-sidebar {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.sidebar-card {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  padding: 20px;
  border: 1px solid var(--border);
}

.sidebar-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

/* 目录 */
.toc-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.toc-nav a {
  display: block;
  padding: 8px 12px;
  font-size: 13px;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  border-left: 2px solid transparent;
}

.toc-nav a:hover {
  color: var(--primary);
  background: var(--primary-light);
  border-left-color: var(--primary);
}

.toc-nav a.active {
  color: var(--primary);
  background: var(--primary-light);
  border-left-color: var(--primary);
}

.toc-nav a.h3 {
  padding-left: 24px;
  font-size: 12px;
}

.toc-nav a.h4 {
  padding-left: 36px;
  font-size: 12px;
}

/* 文章信息 */
.post-info-list {
  list-style: none;
}

.post-info-list li {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}

.post-info-list li:last-child {
  border-bottom: none;
}

.info-label {
  font-size: 13px;
  color: var(--text-muted);
}

.info-value {
  font-size: 13px;
  color: var(--text-primary);
}

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

  .post-sidebar {
    order: -1;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .toc-card {
    grid-column: span 2;
  }
}

@media (max-width: 768px) {
  .post-main {
    padding-top: 16px;
  }
  
  .article-header {
    margin-bottom: 24px;
    padding-bottom: 20px;
  }
  
  .article-meta {
    gap: 10px;
    margin-bottom: 14px;
    font-size: 13px;
    flex-wrap: wrap;
  }
  
  .article-category {
    padding: 4px 10px;
    font-size: 11px;
  }
  
  .article-title {
    font-size: 22px;
    line-height: 1.35;
    margin-bottom: 14px;
    letter-spacing: -0.3px;
  }
  
  .article-tags {
    gap: 6px;
  }
  
  .article-tags .tag {
    padding: 4px 10px;
    font-size: 12px;
  }

  .article-content {
    font-size: 16px;
    line-height: 1.8;
  }
  
  .article-content p {
    margin-bottom: 1.2em;
  }

  .article-content h1 {
    font-size: 22px;
    margin-top: 36px;
    margin-bottom: 16px;
  }

  .article-content h2 {
    font-size: 19px;
    margin-top: 32px;
    margin-bottom: 14px;
  }

  .article-content h3 {
    font-size: 17px;
    margin-top: 28px;
    margin-bottom: 12px;
  }
  
  .article-content h4 {
    font-size: 15px;
    margin-top: 24px;
    margin-bottom: 10px;
  }
  
  .article-content ul,
  .article-content ol {
    padding-left: 1.5em;
    margin-bottom: 1.2em;
  }
  
  .article-content li {
    margin-bottom: 0.4em;
  }
  
  .article-content blockquote {
    padding: 12px 16px;
    margin: 1.2em 0;
    font-size: 15px;
  }
  
  .article-content pre {
    padding: 14px;
    margin: 1.2em 0;
    font-size: 13px;
    border-radius: 8px;
  }
  
  .article-content code {
    font-size: 13px;
    padding: 2px 5px;
  }
  
  .article-content img {
    border-radius: 8px;
    margin: 1.2em 0;
  }

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

  .toc-card {
    grid-column: span 1;
  }
  
  .related-posts {
    margin-top: 36px;
    padding-top: 24px;
  }
  
  .related-title {
    font-size: 17px;
    margin-bottom: 16px;
  }
  
  .related-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  
  .related-card {
    padding: 14px;
  }
  
  .article-discussion {
    margin-top: 32px;
    padding: 18px;
  }
  
  .discussion-cta {
    gap: 12px;
  }
  
  .cta-icon {
    font-size: 28px;
  }
  
  .cta-content h3 {
    font-size: 15px;
  }
  
  .cta-content p {
    font-size: 13px;
  }
  
  .cta-btn {
    padding: 10px 16px;
    font-size: 13px;
  }
}

/* ============ 相关文章 ============ */
.related-posts {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 2px solid var(--border);
}

.related-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.related-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px;
  background: var(--bg-secondary);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: var(--transition);
  text-decoration: none;
}

.related-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.related-category {
  font-size: 12px;
  color: var(--primary);
  font-weight: 600;
}

.related-card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.related-date {
  font-size: 12px;
  color: var(--text-muted);
}

/* ============ 文章讨论区入口 ============ */
.article-discussion {
  margin-top: 40px;
  padding: 24px;
  background: linear-gradient(135deg, #667eea15 0%, #764ba215 100%);
  border: 1px solid rgba(102, 126, 234, 0.2);
  border-radius: var(--radius-lg);
}

.discussion-cta {
  display: flex;
  align-items: center;
  gap: 16px;
}

.cta-icon {
  font-size: 36px;
}

.cta-content {
  flex: 1;
}

.cta-content h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.cta-content p {
  font-size: 14px;
  color: var(--text-secondary);
}

.cta-btn {
  padding: 12px 24px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #fff;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  transition: all 0.3s ease;
  text-decoration: none;
  white-space: nowrap;
}

.cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
  color: #fff;
}

/* 讨论区迷你卡片 */
.discussion-mini-card {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  border: 1px solid rgba(102, 126, 234, 0.3);
  text-decoration: none;
  display: block;
  transition: all 0.3s ease;
  text-align: center;
}

.discussion-mini-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(102, 126, 234, 0.3);
  border-color: rgba(102, 126, 234, 0.6);
}

.discussion-mini-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 8px;
}

.mini-icon {
  font-size: 24px;
}

.mini-title {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
}

.mini-online {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  font-weight: 700;
  color: #f5576c;
}

.mini-desc {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  margin: 0;
}

.discuss-btn {
  padding: 8px 16px;
  background: linear-gradient(135deg, #667eea15 0%, #764ba215 100%);
  border: 1px solid rgba(102, 126, 234, 0.3);
  border-radius: var(--radius-sm);
  color: #667eea;
  font-size: 14px;
  font-weight: 600;
  transition: all 0.3s ease;
  text-decoration: none;
}

.discuss-btn:hover {
  background: linear-gradient(135deg, #667eea30 0%, #764ba230 100%);
  color: #667eea;
}