:root {
  color-scheme: light dark;
  --bg: #f4f5f2; --surface: #ffffff; --ink: #14161a;
  --muted: #6e7278; --border: #dcded8;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #101215; --surface: #191c20; --ink: #f2f3f0;
          --muted: #9aa0a6; --border: #32373d; }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               "Noto Sans KR", sans-serif;
  background: var(--bg); color: var(--ink); line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
main { max-width: 720px; margin: 0 auto; padding: 48px 20px 80px; }
h1 { font-size: 1.9rem; letter-spacing: -0.02em; margin: 0 0 4px; }
.updated { color: var(--muted); font-size: 0.9rem; margin: 0 0 8px; }
.langs { margin: 0 0 32px; font-size: 0.9rem; }
h2 { font-size: 1.15rem; margin: 36px 0 6px; letter-spacing: -0.01em; }
p, li { color: var(--ink); }
ul { padding-left: 1.2rem; }
li { margin: 4px 0; }
a { color: inherit; text-decoration: underline; text-underline-offset: 3px; }
footer { margin-top: 56px; padding-top: 20px; border-top: 1px solid var(--border);
         color: var(--muted); font-size: 0.88rem; }