/* Prose styles for article content */
.prose {
  font-family: 'Noto Sans SC', -apple-system, sans-serif;
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--text-primary);
}

.prose h1,
.prose h2,
.prose h3,
.prose h4,
.prose h5,
.prose h6 {
  font-family: 'Newsreader', Georgia, serif;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.3;
  margin-top: 2rem;
  margin-bottom: 0.875rem;
  color: var(--text-primary);
}

.prose h1 { font-size: 1.875rem; }
.prose h2 { font-size: 1.5rem; }
.prose h3 { font-size: 1.25rem; }
.prose h4 { font-size: 1.0625rem; }

.prose p {
  margin-bottom: 1.25rem;
}

.prose a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(230, 57, 70, 0.3);
  transition: border-color 0.2s ease;
}

.prose a:hover {
  border-bottom-color: var(--accent);
}

.prose ul,
.prose ol {
  margin-top: 1rem;
  margin-bottom: 1.25rem;
  margin-left: 1.5rem;
}

.prose ul { list-style-type: disc; }
.prose ol { list-style-type: decimal; }

.prose li {
  margin-bottom: 0.5rem;
}

.prose blockquote {
  border-left: 3px solid var(--accent);
  padding-left: 1.5rem;
  margin: 1.5rem 0;
  font-family: 'Newsreader', Georgia, serif;
  font-style: italic;
  font-size: 1.125rem;
  color: var(--text-secondary);
}

/* highlight.js styles - GitHub Dark theme */
.hljs {
  color: #c9d1d9;
  background: #1e1e1e;
}

.hljs-keyword,
.hljs-doctag,
.hljs-meta .hljs-keyword,
.hljs-template-tag,
.hljs-template-variable,
.hljs-type {
  color: #ff7b72;
}

.hljs-title {
  color: #d2a8ff;
}

.hljs-attr,
.hljs-variable,
.hljs-literal,
.hljs-number,
.hljs-doctag,
.hljs-template-variable,
.hljs-selector-id,
.hljs-selector-class {
  color: #79c0ff;
}

.hljs-string,
.hljs-regexp,
.hljs-symbol,
.hljs-bullet,
.hljs-link,
.hljs-meta,
.hljs-selector-attr,
.hljs-selector-pseudo,
.hljs-addition {
  color: #a5d6ff;
}

.hljs-built_in,
.hljs-name {
  color: #ffa657;
}

.hljs-subst {
  color: #c9d1d9;
}

.hljs-comment,
.hljs-code,
.hljs-formula,
.hljs-quote {
  color: #8b949e;
}

.hljs-deletion {
  color: #f85149;
  background: rgba(248, 81, 73, 0.1);
}

.hljs-section,
.hljs-selector-tag {
  color: #7ee787;
}

.hljs-emphasis {
  font-style: italic;
}

.hljs-strong {
  font-weight: 600;
}

/* Code block wrapper */
.code-block-wrapper {
  position: relative;
  margin: 1rem 0;
}

.prose pre {
  position: relative;
  background-color: #1e1e1e;
  color: #d4d4d4;
  overflow-x: auto;

  /* 1. 字号：调小至 12px (0.75rem) */
  font-size: 0.75rem;

  /* 2. 行高：从 1.7 压低至 1.5，让多行代码更紧凑 */
  line-height: 1.5;

  /* 3. 内边距：顶部留出语言标签空间，左右 0.8rem，底部 0.8rem */
  padding: 2.5rem 0.8rem 0.8rem;

  /* 4. 外边距：由 wrapper 负责，pre 自身不再设置 */
  margin: 0;

  /* 圆角：由于整体变小，圆角也可以微微调小到 0.375rem（6px）看起来更精致 */
  border-radius: 0.375rem;
}

/* Language label */
.code-block-wrapper .code-language {
  position: absolute;
  top: 0.8rem;
  left: 0.6rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.6875rem;
  font-weight: 500;
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  pointer-events: none;
  user-select: none;
}

/* Copy button */
.code-block-wrapper .copy-btn {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  padding: 0.375rem;
  background-color: transparent;
  color: #ffffff;
  border: none;
  border-radius: 0.25rem;
  cursor: pointer;
  opacity: 1;
  transition: background-color 0.2s ease, color 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.code-block-wrapper .copy-btn:hover {
  background-color: rgba(255, 255, 255, 0.15);
  color: #ffffff;
}

.code-block-wrapper .copy-btn.copied {
  color: #7ee787;
}

.code-block-wrapper .copy-btn:focus-visible {
  outline: none;
}

/* Inline code */
.prose code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.9em;
  background-color: rgba(120, 110, 90, 0.08);
  padding: 0.2em 0.4em;
  border-radius: 0.25rem;
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.prose pre code {
  background-color: transparent;
  padding: 0;
  font-size: 1em;
  color: inherit;
}

.prose table {
  width: 100%;
  margin: 1.5rem 0;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.prose th,
.prose td {
  border: 1px solid var(--border);
  padding: 0.75rem 1rem;
  text-align: left;
}

.prose th {
  background-color: var(--white);
  font-weight: 600;
}

.prose img {
  max-width: 100%;
  height: auto;
  margin: 1.5rem 0;
}

.prose hr {
  margin: 2.5rem 0;
  border: none;
  border-top: 1px solid var(--border);
}

:root.dark pre {
  border: 1px solid var(--border);
  background-color: #151515 !important;
}

/* Mute inline code a bit inside pre code blocks */
.prose pre code {
  color: inherit !important;
  border: none !important;
  background-color: transparent !important;
  padding: 0 !important;
}

/* Print styles */
@media print {
  .skip-link,
  .site-header,
  footer,
  .ai-chat-widget,
  .toc-container,
  .scroll-to-top,
  .giscus-container,
  .post-actions,
  .post-meta,
  .related-posts,
  .article-footer {
    display: none !important;
  }

  body {
    background: #ffffff !important;
    color: #000000 !important;
  }

  article > header {
    background: #ffffff !important;
    border: none !important;
    padding: 2rem 0 !important;
  }

  article > header h1 {
    color: #000000 !important;
    font-size: 2rem !important;
    margin-bottom: 0 !important;
  }

  .prose a {
    color: #000000 !important;
    border-bottom: none !important;
    text-decoration: underline !important;
  }

  .prose pre {
    background-color: #f5f5f5 !important;
    color: #000000 !important;
    border: 1px solid #dddddd !important;
    white-space: pre-wrap !important;
    word-wrap: break-word !important;
  }

  .prose pre .copy-btn {
    display: none !important;
  }

  .prose img {
    max-width: 100% !important;
    page-break-inside: avoid;
  }

  .prose h1,
  .prose h2,
  .prose h3,
  .prose h4 {
    page-break-after: avoid;
  }

  .prose p,
  .prose li {
    orphans: 3;
    widows: 3;
  }
}