:root {
  color-scheme: light dark;
  --reader-bg: #ffffff;
  --reader-text: #1a1a1a;
  --reader-muted: #4b4b4b;
  --reader-border: #d0d0d0;
  --reader-accent: #0b4fa3;
  --reader-max: 42rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --reader-bg: #14161a;
    --reader-text: #f0f0f0;
    --reader-muted: #b8b8b8;
    --reader-border: #3a3d42;
    --reader-accent: #7db2ff;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--reader-bg);
  color: var(--reader-text);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

a { color: var(--reader-accent); }
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 3px solid var(--reader-accent);
  outline-offset: 2px;
}

.site-header, .site-main, .site-footer {
  max-width: var(--reader-max);
  margin: 0 auto;
  padding: 1.5rem 1.25rem;
}

.site-header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 1rem 1.5rem;
  border-bottom: 1px solid var(--reader-border);
}

.site-title { font-weight: 700; font-size: 1.25rem; text-decoration: none; color: inherit; }
.site-nav { display: flex; gap: 1rem; }
.site-nav a, .footer-nav a { color: var(--reader-muted); text-decoration: none; }
.site-nav a:hover, .footer-nav a:hover { color: var(--reader-accent); }

.post-title, .page-title, .list-title { font-size: 1.75rem; line-height: 1.25; margin: 0 0 0.5rem; }
.post-meta { color: var(--reader-muted); font-size: 0.9375rem; margin: 0 0 1.5rem; }
.post-meta > * + * { margin-left: 0.75rem; }

.post-content, .page-content { font-size: 1.0625rem; }
.post-content h2, .post-content h3, .post-content h4,
.page-content h2, .page-content h3, .page-content h4 { line-height: 1.3; margin: 2rem 0 0.75rem; }
.post-content p, .page-content p { margin: 0 0 1.25rem; }
.post-content img, .page-content img { max-width: 100%; height: auto; display: block; }
.post-content figure, .page-content figure { margin: 1.5rem 0; }
.post-content figcaption, .page-content figcaption { color: var(--reader-muted); font-size: 0.9375rem; margin-top: 0.5rem; }
.post-content blockquote, .page-content blockquote {
  margin: 1.5rem 0; padding-left: 1rem; border-left: 3px solid var(--reader-border); color: var(--reader-muted);
}
.pull-quote blockquote { font-size: 1.25rem; }
.quote-interlude blockquote { font-size: 1.5rem; text-align: center; border-left: none; }
.post-content pre, .page-content pre {
  overflow-x: auto; padding: 1rem; background: color-mix(in srgb, var(--reader-text) 6%, transparent);
  border-radius: 4px;
}
.img-pair { display: flex; gap: 1rem; flex-wrap: wrap; }
.img-pair figure { flex: 1 1 12rem; margin: 1.5rem 0; }

.youtube-embed { margin: 1.5rem 0; }
.youtube-embed-frame { position: relative; padding-top: 56.25%; }
.youtube-embed-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: none; }

.post-tags { list-style: none; display: flex; gap: 0.5rem; flex-wrap: wrap; margin: 2rem 0 0; padding: 0; }
.post-tags a, .tag-chip {
  display: inline-block; padding: 0.25rem 0.6rem; border: 1px solid var(--reader-border);
  border-radius: 999px; text-decoration: none; font-size: 0.875rem;
}
.tag-list { list-style: none; display: flex; gap: 0.5rem; flex-wrap: wrap; padding: 0; margin: 0 0 1.5rem; }

.post-list-items { list-style: none; padding: 0; margin: 0; }
.post-list-item { padding: 1.25rem 0; border-bottom: 1px solid var(--reader-border); }
.post-list-item a { text-decoration: none; color: inherit; display: block; }
.post-list-title { margin: 0 0 0.25rem; font-size: 1.25rem; }
.post-list-item time { color: var(--reader-muted); font-size: 0.875rem; }
.post-list-excerpt { color: var(--reader-muted); margin: 0.5rem 0 0; }

.site-footer { border-top: 1px solid var(--reader-border); color: var(--reader-muted); font-size: 0.9375rem; }
.footer-nav { display: flex; gap: 1rem; margin-top: 0.5rem; }