/* 打印样式优化 (Print-Friendly Styles)
 *
 * 优化打印输出，隐藏无关元素，提高可读性
 */

@media print {
  /* 隐藏导航栏 */
  .article-nav,
  .skip-link {
    display: none !important;
  }

  /* 隐藏返回顶部按钮 */
  .back-to-top,
  [data-back-to-top] {
    display: none !important;
  }

  /* 隐藏分享按钮 */
  .article-share,
  [data-article-share] {
    display: none !important;
  }

  /* 隐藏文章链接复制按钮 */
  .article-link-copy,
  [data-article-link-copy] {
    display: none !important;
  }

  /* 隐藏点赞按钮 */
  .post-like,
  [data-post-like] {
    display: none !important;
  }

  /* 隐藏评论区域 */
  .post-comments {
    display: none !important;
  }

  /* 隐藏上一篇/下一篇导航 */
  .post-navigation {
    display: none !important;
  }

  /* 隐藏 TOC 目录 */
  .toc-card,
  .toc-mobile,
  details.toc-mobile {
    display: none !important;
  }

  /* 隐藏 Related Posts */
  .related-posts {
    display: none !important;
  }

  /* 隐藏阅读进度条 */
  .reading-progress {
    display: none !important;
  }

  /* 隐藏搜索按钮 */
  .site-search-trigger,
  [data-site-search-trigger] {
    display: none !important;
  }

  /* 隐藏主题切换按钮 */
  .theme-toggle,
  [data-theme-toggle] {
    display: none !important;
  }

  /* 隐藏字体切换按钮 */
  .font-size-toggle,
  [data-font-size-toggle] {
    display: none !important;
  }

  /* 隐藏快捷键帮助按钮 */
  .shortcut-help-trigger,
  [data-shortcut-help-trigger] {
    display: none !important;
  }

  /* 隐藏语言切换按钮 */
  .lang-toggle,
  [data-lang-toggle] {
    display: none !important;
  }

  /* 隐藏随机文章按钮 */
  .random-post-button,
  [data-random-post] {
    display: none !important;
  }

  /* 移除背景色，减少墨水使用 */
  body,
  .article-shell,
  .article-card,
  .article-hero,
  .archive-shell,
  .archive-card,
  .page-shell,
  .page-card,
  .news-shell,
  .news-card,
  .nav-links a:hover,
  .nav-links button:hover {
    background: none !important;
    background-color: white !important;
    background-image: none !important;
  }

  /* 使用黑色文字，提高可读性 */
  body,
  .article-shell,
  .article-content,
  .article-meta,
  .archive-item,
  .archive-year h2,
  .page-content,
  .news-content {
    color: black !important;
  }

  /* 优化字体大小 */
  body {
    font-size: 12pt !important;
    line-height: 1.6 !important;
  }

  /* 代码块样式 */
  .article-content pre,
  .article-content code {
    background-color: #f5f5f5 !important;
    color: #333 !important;
    border: 1px solid #ddd !important;
    page-break-inside: avoid !important;
  }

  /* 图片适配宽度，避免溢出 */
  .article-content img {
    max-width: 100% !important;
    height: auto !important;
    page-break-inside: avoid !important;
  }

  /* 链接显示 URL（可选） */
  .article-content a[href^="http"]::after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
    color: #666;
  }

  /* 避免在元素内部分页 */
  h1,
  h2,
  h3,
  h4,
  h5,
  h6,
  .article-content p,
  .article-content li,
  .article-content pre,
  .article-content img,
  blockquote {
    page-break-inside: avoid !important;
  }

  /* 避免标题后立即分页 */
  h1,
  h2,
  h3 {
    page-break-after: avoid !important;
  }

  /* 调整边距 */
  .article-shell,
  .page-shell,
  .news-shell,
  .archive-shell {
    margin: 0 !important;
    padding: 0 !important;
    max-width: 100% !important;
  }

  .article-card,
  .page-card,
  .news-card,
  .archive-card {
    margin: 0 !important;
    padding: 0 !important;
    max-width: 100% !important;
    box-shadow: none !important;
  }

  /* 文章元数据优化 */
  .article-meta {
    font-size: 10pt !important;
    color: #666 !important;
    margin-bottom: 1em !important;
  }

  /* 打印元数据 - 在页面底部显示文章信息 */
  .print-meta {
    display: block !important;
    margin-top: 2em;
    padding-top: 1em;
    border-top: 1px solid #ccc;
    font-size: 9pt;
    color: #666;
    page-break-inside: avoid !important;
  }

  .print-meta::before {
    content: "来源: " attr(data-print-url) " | 打印日期: " attr(data-print-date);
    display: block;
    margin-bottom: 0.5em;
  }
}