:root { --purple: #6a1b9a; --bg: #faf7fc; }
* { box-sizing: border-box; }
body {
  font-family: system-ui, -apple-system, sans-serif;
  max-width: 720px;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
  line-height: 1.65;
  color: #222;
  background: var(--bg);
}
h1 { color: var(--purple); margin-top: 0; }
h2 { margin-top: 2rem; font-size: 1.12rem; color: #333; }
a { color: var(--purple); }
.muted { color: #666; font-size: .9rem; }
.nav { margin-bottom: 1.5rem; font-size: .9rem; }
.box { background: #fff; border: 1px solid #eee; border-radius: 10px; padding: 1rem 1.15rem; margin: 1rem 0; }
ul { padding-left: 1.2rem; }
.loading { color: #666; }