.article-back { padding: 2.25rem 0 0; }
    .article-back a {
      font-family: ui-monospace, 'SF Mono', monospace;
      font-size: 0.8125rem; color: #888;
    }
    .article-back a:hover { color: #3b82f6; }

    .article-hero { padding: 3.5rem 0 4rem; text-align: center; }
    .article-cat {
      font-family: ui-monospace, 'SF Mono', monospace;
      font-size: 0.75rem; font-weight: 600; color: #3b82f6;
      letter-spacing: 0.15em; text-transform: uppercase;
      margin-bottom: 1rem; display: block;
    }
    .article-hero h1 {
      font-family: 'Newsreader', Georgia, serif;
      font-size: 2.5rem; font-weight: 500; letter-spacing: -0.02em;
      line-height: 1.2; color: #fff; max-width: 720px;
      margin: 0 auto 1.25rem;
    }
    .article-date { font-size: 0.875rem; color: #666; }

    .article-body { padding: 5rem 0 6rem; }
    .article-prose {
      font-family: 'Newsreader', Georgia, serif;
      font-size: 1.1875rem; line-height: 1.75; color: #1a1a1a;
    }
    .article-prose p { margin-bottom: 1.5rem; }
    .article-prose h2, .article-prose h3, .article-prose h4 {
      font-family: 'Inter', system-ui, sans-serif;
      font-weight: 600; letter-spacing: -0.01em;
      margin: 2.75rem 0 1rem; color: #1a1a1a;
    }
    .article-prose h2 { font-size: 1.625rem; }
    .article-prose h3 { font-size: 1.3125rem; }
    .article-prose h4 { font-size: 1.125rem; }
    .article-prose ul, .article-prose ol { margin: 0 0 1.5rem 1.75rem; }
    .article-prose li { margin-bottom: 0.5rem; }
    .article-prose a {
      color: #3b82f6;
      border-bottom: 1px solid rgba(59,130,246,0.3);
    }
    .article-prose a:hover { border-bottom-color: #3b82f6; }
    .article-prose img {
      max-width: 100%; height: auto;
      border-radius: 4px; margin: 1.75rem 0;
      border: 1px solid #ddd;
    }
    .article-prose blockquote {
      border-left: 3px solid #3b82f6;
      padding: 0.25rem 0 0.25rem 1.25rem;
      margin: 1.75rem 0; color: #555; font-style: italic;
    }
    .article-prose code {
      font-family: ui-monospace, 'SF Mono', Menlo, monospace;
      background: #f0ede5;
      padding: 0.1em 0.35em;
      border-radius: 3px;
      font-size: 0.875em;
    }
    .article-prose pre {
      font-family: ui-monospace, 'SF Mono', Menlo, monospace;
      background: #1a1a1a; color: #e8e8e8;
      padding: 1.25rem; border-radius: 6px;
      overflow-x: auto; margin: 1.75rem 0;
      font-size: 0.875rem; line-height: 1.6;
    }
    .article-prose pre code {
      background: transparent; padding: 0; color: inherit; font-size: 1em;
    }
    .article-prose hr { border: 0; border-top: 1px solid #ddd; margin: 2.5rem 0; }
    .article-prose .archived-link {
      color: #888;
      font-style: italic;
      cursor: help;
    }
    .article-prose .archived-tag {
      display: inline-block;
      margin-left: 0.35em;
      padding: 0.05em 0.45em;
      font-family: ui-monospace, 'SF Mono', monospace;
      font-size: 0.7em;
      font-weight: 600;
      letter-spacing: 0.05em;
      color: #888;
      background: #ece8dc;
      border-radius: 3px;
      vertical-align: 1px;
      font-style: normal;
      text-transform: lowercase;
    }
    .article-prose table {
      border-collapse: collapse; width: 100%; margin: 1.5rem 0;
      font-family: 'Inter', system-ui, sans-serif; font-size: 0.95rem;
    }
    .article-prose th, .article-prose td {
      border: 1px solid #ddd; padding: 0.5rem 0.75rem; text-align: left;
    }
    .article-prose th { background: #f0ede5; font-weight: 600; }

    @media (max-width: 640px) {
      .article-hero h1 { font-size: 1.875rem; }
      .article-prose { font-size: 1.0625rem; }
    }

    @media (prefers-color-scheme: dark) {
      .article-prose { color: #d4d4d4; }
      .article-prose h2,
      .article-prose h3,
      .article-prose h4 { color: #e8e8e8; }
      .article-prose a { color: #60a5fa; border-bottom-color: rgba(96,165,250,0.35); }
      .article-prose a:hover { border-bottom-color: #60a5fa; }
      .article-prose blockquote { color: #a3a3a3; border-left-color: #60a5fa; }
      .article-prose code { background: #262626; color: #e8e8e8; }
      .article-prose pre { background: #0a0a0a; border: 1px solid #262626; }
      .article-prose hr { border-top-color: #2e2e2e; }
      .article-prose img { border-color: #2e2e2e; }
      .article-prose th { background: #1f1f1f; }
      .article-prose th, .article-prose td { border-color: #2e2e2e; }
      .article-prose .archived-link { color: #999; }
      .article-prose .archived-tag { color: #a3a3a3; background: #262626; }
    }

.idx-back { padding: 2.25rem 0 0; }
    .idx-back a {
      font-family: ui-monospace, 'SF Mono', monospace;
      font-size: 0.8125rem; color: #888;
    }
    .idx-back a:hover { color: #3b82f6; }

    .idx-hero { padding: 3.5rem 0 5rem; }
    .idx-eyebrow {
      font-family: ui-monospace, 'SF Mono', monospace;
      font-size: 0.75rem; font-weight: 600; color: #3b82f6;
      letter-spacing: 0.15em; text-transform: uppercase;
      margin-bottom: 1rem; display: block;
    }
    .idx-hero h1 {
      font-family: 'Newsreader', Georgia, serif;
      font-size: 2.75rem; font-weight: 500; letter-spacing: -0.02em;
      line-height: 1.15; color: #fff; margin-bottom: 1rem;
    }
    .idx-hero p { color: #999; max-width: 580px; }

    .idx-body { padding: 4rem 0 6rem; }
    .idx-cat {
      font-family: 'Inter', system-ui, sans-serif;
      font-size: 0.75rem; font-weight: 600;
      letter-spacing: 0.18em; text-transform: uppercase;
      color: #3b82f6;
      margin: 3rem 0 1rem;
      padding-bottom: 0.5rem;
      border-bottom: 1px solid #ddd;
    }
    .idx-cat:first-child { margin-top: 0; }
    .idx-list { list-style: none; padding: 0; margin: 0; }
    .idx-list li { border-bottom: 1px solid #eee; }
    .idx-list a {
      display: flex; align-items: baseline; justify-content: space-between;
      gap: 1.5rem;
      padding: 0.875rem 0;
      color: #1a1a1a;
      transition: color 0.15s;
    }
    .idx-list a:hover { color: #3b82f6; }
    .idx-title {
      font-family: 'Newsreader', Georgia, serif;
      font-size: 1.1875rem;
      line-height: 1.4;
    }
    .idx-date {
      font-family: ui-monospace, 'SF Mono', monospace;
      font-size: 0.75rem;
      color: #888;
      white-space: nowrap;
      flex-shrink: 0;
    }

    @media (max-width: 640px) {
      .idx-hero h1 { font-size: 2rem; }
      .idx-title { font-size: 1.0625rem; }
    }

    @media (prefers-color-scheme: dark) {
      .idx-cat { color: #60a5fa; border-bottom-color: #2e2e2e; }
      .idx-list li { border-bottom-color: #1f1f1f; }
      .idx-list a { color: #e8e8e8; }
      .idx-list a:hover { color: #60a5fa; }
      .idx-date { color: #737373; }
    }

.article-hero-band { padding: 0 0 1rem; }
.article-footer {
  background: #0f0f0f;
  color: #888;
  padding: 2.5rem 0;
  text-align: center;
}
.archive-footer-link { color: #3b82f6; }
.vim-code { color: #000; background-color: #faf0e6; }
.vim-comment { color: #000; background-color: #ffdab9; }
.vim-keyword { color: #fa1340; font-weight: bold; }
.vim-plain { color: #000; }
.vim-special { color: #6a5acd; }