/* One column of readable text; follows the visitor's light or dark setting */
:root { --bg: #ffffff; --fg: #14211a; --muted: #55645b; --line: #d5ded7; --accent: #1f6b45; }
@media (prefers-color-scheme: dark) {
  :root { --bg: #0e1511; --fg: #e4ece6; --muted: #98a89d; --line: #28352d; --accent: #5fc08a; color-scheme: dark; }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 17px/1.65 system-ui, -apple-system, "Segoe UI", sans-serif;
  padding: 40px max(16px, env(safe-area-inset-right, 0px)) 80px max(16px, env(safe-area-inset-left, 0px));
}
main { max-width: 700px; margin: 0 auto; }
h1 { font-size: 30px; line-height: 1.2; margin: 0 0 4px; }
h2 { font-size: 19px; margin: 32px 0 6px; }
p { margin: 0 0 12px; }
.meta { color: var(--muted); font-size: 15px; margin-bottom: 24px; }
a { color: var(--accent); }
nav { margin-top: 48px; padding-top: 16px; border-top: 1px solid var(--line); font-size: 15px; color: var(--muted); }
nav a { margin-right: 16px; }