:root {
  --bg: #fbfaf8;
  --fg: #16181d;
  --muted: #5d636e;
  --line: #e6e3de;
  --accent: #2f6fed;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0f1115; --fg: #e9eaee; --muted: #9298a3; --line: #23262d; --accent: #7aa2ff; }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.65 ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
.wrap { max-width: 640px; margin: 0 auto; padding: 14vh 24px 64px; }
.mark {
  width: 44px; height: 44px; border-radius: 12px;
  display: grid; place-items: center;
  background: var(--fg); color: var(--bg);
  font: 600 24px/1 Georgia, "Times New Roman", serif;
  margin-bottom: 28px;
}
h1 { font-size: clamp(2rem, 5vw, 2.6rem); line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 10px; }
.lede { font-size: 1.15rem; color: var(--muted); margin: 0; }
section { margin-top: 48px; padding-top: 28px; border-top: 1px solid var(--line); }
h2 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--muted); margin: 0 0 12px; font-weight: 600; }
p { margin: 0 0 1em; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
.links { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.links a {
  display: inline-flex; gap: 6px; align-items: center;
  padding: 8px 14px; border: 1px solid var(--line); border-radius: 999px;
  color: var(--fg); font-size: 0.95rem;
}
.links a:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }
.links span { color: var(--muted); font-size: 0.85em; }
footer { margin-top: 64px; color: var(--muted); font-size: 0.85rem; }
.meta { color: var(--muted); font-size: 0.95rem; margin-top: 6px; }
h3 { font-size: 1.05rem; margin: 0; line-height: 1.35; }
.org { color: var(--muted); margin: 2px 0 8px; font-size: 0.95rem; }
.timeline { list-style: none; padding: 0; margin: 0; }
.timeline li { display: grid; grid-template-columns: 120px 1fr; gap: 16px; padding: 14px 0; }
.timeline li + li { border-top: 1px dashed var(--line); }
.timeline .when { color: var(--muted); font-size: 0.85rem; font-variant-numeric: tabular-nums; padding-top: 3px; }
.timeline p:last-child { margin-bottom: 0; }
@media (max-width: 520px) { .timeline li { grid-template-columns: 1fr; gap: 4px; } }
.plain { padding-left: 1.1em; margin: 0; }
.plain li { margin: 0 0 8px; }
.tags { list-style: none; padding: 0; margin: 0 0 12px; display: flex; flex-wrap: wrap; gap: 8px; }
.tags li { padding: 4px 12px; border-radius: 999px; background: color-mix(in srgb, var(--fg) 6%, transparent); font-size: 0.9rem; }