:root { --paper: #FAFAFA; --sheet: #FFFFFF; --ink: #2F2F2F; --muted: #6E6E6E; --cobalt: #B4329F; color-scheme: light; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) { --paper: #141414; --sheet: #1E1E1E; --ink: #F2F2F2; --muted: #A0A0A0; --cobalt: #F08AE2; color-scheme: dark; }
}
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.6 system-ui, -apple-system, sans-serif; }
main { max-width: 680px; margin: 0 auto; padding: max(32px, env(safe-area-inset-top)) 16px 48px; }
h1 { font-size: 1.6rem; line-height: 1.2; margin: 0 0 4px; }
h2 { font-size: 1.1rem; margin: 28px 0 8px; }
p, li { color: var(--ink); }
.muted { color: var(--muted); margin-top: 0; }
a { color: var(--cobalt); }