:root { color-scheme: light; --page: #f9f9f7; --ink: #0b0b0b; --ink-2: #52514e; --line: #e1e0d9; --link: #256abf; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) { color-scheme: dark; --page: #0d0d0d; --ink: #f0efec; --ink-2: #c3c2b7; --line: #2c2c2a; --link: #86b6ef; }
}
:root[data-theme="dark"] { color-scheme: dark; --page: #0d0d0d; --ink: #f0efec; --ink-2: #c3c2b7; --line: #2c2c2a; --link: #86b6ef; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--page); color: var(--ink); font: 16px/1.6 system-ui, -apple-system, "Segoe UI", sans-serif; }
main { max-width: 720px; margin: 0 auto; padding: 32px 16px 48px; }
h1 { font-size: 26px; margin: 0 0 4px; }
h2 { font-size: 18px; margin: 28px 0 8px; }
p, li { color: var(--ink-2); }
.sub { margin: 0 0 24px; }
a { color: var(--link); }
nav { border-top: 1px solid var(--line); margin-top: 36px; padding-top: 16px; font-size: 14px; display: flex; flex-wrap: wrap; gap: 16px; }