:root {
  --fg: #1a1a1a;
  --fg-muted: #555;
  --bg: #fafaf7;
  --accent: #0a66c2;
  --rule: #e5e3dd;
  --max: 70ch;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --fg: #ececec;
    --fg-muted: #a8a8a8;
    --bg: #14151a;
    --accent: #79b8ff;
    --rule: #2a2c33;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font: 1.0625rem/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--fg);
  background: var(--bg);
  text-rendering: optimizeLegibility;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

img, video { max-width: 100%; height: auto; display: block; }

main, .site-header, .site-footer { padding: 0 1.25rem; }

.site-header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 1rem 1.5rem;
  max-width: var(--max);
  margin: 0 auto;
  padding-top: 1.75rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--rule);
}
.site-title {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--fg);
  margin-right: auto;
}
.site-nav { display: flex; flex-wrap: wrap; gap: 1rem; font-size: 0.9rem; }
.site-nav a { color: var(--fg-muted); }
.site-nav a:hover { color: var(--accent); }

main { max-width: var(--max); margin: 0 auto; padding-top: 2rem; padding-bottom: 3rem; }

.site-footer {
  max-width: var(--max);
  margin: 2rem auto 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
  font-size: 0.85rem;
  color: var(--fg-muted);
}
.site-footer a { color: var(--fg-muted); text-decoration: underline; }

.intro h1 { font-size: 2rem; margin: 0 0 0.5rem; line-height: 1.2; }
.intro p { color: var(--fg-muted); margin: 0 0 2.5rem; }

.issues { list-style: none; padding: 0; margin: 0; display: grid; gap: 2rem; }
.issue { display: grid; grid-template-columns: 160px 1fr; gap: 1.25rem; align-items: start; }
.issue-cover img { border-radius: 6px; aspect-ratio: 16/9; object-fit: cover; }
.issue-meta h2 { font-size: 1.2rem; margin: 0 0 0.35rem; line-height: 1.3; }
.issue-meta h2 a { color: var(--fg); }
.issue-meta time { color: var(--fg-muted); font-size: 0.85rem; }

@media (max-width: 540px) {
  .issue { grid-template-columns: 1fr; }
}

.post-header h1 { font-size: 1.85rem; line-height: 1.2; margin: 0 0 0.5rem; }
.post-header time { color: var(--fg-muted); font-size: 0.9rem; }
.post-cover { margin: 1.5rem 0; border-radius: 8px; }

.post-body { font-size: 1.075rem; }
.post-body p, .post-body ul, .post-body ol, .post-body blockquote, .post-body figure { margin: 0 0 1.1rem; }
.post-body h2 { margin: 2rem 0 0.75rem; line-height: 1.3; font-size: 1.4rem; }
.post-body h3 { margin: 1.5rem 0 0.5rem; line-height: 1.3; font-size: 1.15rem; }
.post-body img { margin: 1.25rem auto; border-radius: 6px; }
.post-body blockquote {
  margin-inline: 0;
  padding: 0.25rem 1rem;
  border-left: 3px solid var(--accent);
  color: var(--fg-muted);
  font-style: italic;
}
.post-body pre { overflow-x: auto; padding: 0.9rem 1rem; background: rgba(127,127,127,0.1); border-radius: 6px; font-size: 0.9rem; }
.post-body code { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 0.92em; }
.post-body :not(pre) > code { background: rgba(127,127,127,0.15); padding: 0.1em 0.35em; border-radius: 3px; }
.post-body iframe { max-width: 100%; }

.post-footer {
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--rule);
  font-size: 0.9rem;
  color: var(--fg-muted);
}
.post-footer p { margin: 0 0 0.5rem; }