:root {
  --bg: #fbf8f3;
  --text: #24211d;
  --muted: #6b645b;
  --accent: #6a3fb5;
  --rule: #e6dfd4;
  --card: #ffffff;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #17151a;
    --text: #ece8e2;
    --muted: #a59f97;
    --accent: #b99cf0;
    --rule: #2f2b33;
    --card: #201d24;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
main { max-width: 42rem; margin: 0 auto; padding: 48px 16px 64px; }
h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 4px; }
h2 { font-size: 1.2rem; margin: 2.2em 0 0.4em; }
h3 { font-size: 1rem; margin: 1.4em 0 0.3em; }
p, ul { margin: 0 0 1em; }
ul { padding-left: 1.25em; }
li { margin-bottom: 0.35em; }
a { color: var(--accent); text-underline-offset: 2px; }
.meta { color: var(--muted); margin-bottom: 2em; }
.summary {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 12px;
  padding: 16px 20px;
}
.summary ul { margin: 0; }
footer { color: var(--muted); border-top: 1px solid var(--rule); margin-top: 3em; padding-top: 1em; font-size: 0.9rem; }