:root {
  --accent: #0A6E59; --canvas: #F5F6F5; --surface: #FFFFFF; --text: #17191C; --muted: #5E6368; --border: rgba(23,25,28,.10);
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --accent: #5CE3BF; --canvas: #17191C; --surface: #1F2124; --text: #ECEDEE; --muted: #9BA1A6; --border: rgba(255,255,255,.10); }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--canvas); color: var(--text); font: 17px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", sans-serif; -webkit-font-smoothing: antialiased; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 760px; margin: 0 auto; padding: 0 24px; }
nav { display: flex; align-items: center; gap: 24px; height: 64px; border-bottom: 1px solid var(--border); }
nav .brand { display: flex; align-items: center; gap: 10px; font-weight: 600; color: var(--text); margin-right: auto; }
nav .brand img { width: 28px; height: 28px; border-radius: 7px; }
nav a:not(.brand) { color: var(--muted); font-size: 15px; }
main { padding: 48px 0 64px; }
h1 { font-size: 40px; letter-spacing: -.02em; line-height: 1.1; margin: 0 0 8px; }
.updated { color: var(--muted); margin: 0 0 32px; }
.summary { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 20px 24px; margin-bottom: 16px; }
h2 { font-size: 22px; margin: 40px 0 8px; padding-top: 24px; border-top: 1px solid var(--border); }
p, li { color: var(--text); }
code { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: .88em; }
.button { display: inline-flex; align-items: center; height: 44px; padding: 0 20px; border-radius: 6px; font-weight: 600; background: var(--accent); color: var(--surface); }
.button:hover { text-decoration: none; opacity: .9; }
footer { border-top: 1px solid var(--border); padding: 32px 0 48px; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 20px; }
footer .wrap span { margin-right: auto; }
footer a { color: var(--muted); }
@media (max-width: 480px) {
  .wrap { padding: 0 18px; }
  nav { gap: 14px; }
  h1 { font-size: 32px; }
}