:root { color-scheme: light dark; --ink: #1d2433; --paper: #fffaf0; --muted: #555f70; }
* { box-sizing: border-box; }
body { margin: 0; font: 16px/1.55 system-ui, -apple-system, "Segoe UI", sans-serif; color: var(--ink); background: var(--paper); }
main { max-width: 720px; margin: 0 auto; padding: 24px 18px 64px; }
h1 { font-size: 1.6rem; margin: 0 0 4px; }
h2 { font-size: 1.15rem; margin: 28px 0 6px; }
p, li { margin: 6px 0; }
a { color: #0b6b3a; }
nav { margin: 18px 0; }
hr { border: 0; border-top: 1px solid #0002; margin: 32px 0; }
@media (prefers-color-scheme: dark) { :root { --ink: #f2f4f8; --paper: #12151c; --muted: #b7bfcc; } a { color: #7fe0a8; } }