:root {
  --bg: #0b0d10;
  --text: #f2f4f7;
  --text-dim: #9aa3ad;
  --accent: #d97757;
  --surface: #16191e;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 16px; line-height: 1.55;
  -webkit-text-size-adjust: 100%;
}
main { max-width: 720px; margin: 0 auto; padding: 24px 16px calc(env(safe-area-inset-bottom, 0px) + 40px); }
h1 { font-size: 26px; line-height: 1.2; margin: 0 0 4px; }
h2 { font-size: 18px; margin: 28px 0 8px; }
p, ul { margin: 0 0 12px; }
ul { padding-left: 22px; }
li { margin-bottom: 6px; }
.meta { color: var(--text-dim); font-size: 14px; }
.summary { background: var(--surface); border-left: 3px solid var(--accent); padding: 12px 14px; border-radius: 8px; }
a { color: var(--accent); }
.site-nav { max-width: 720px; margin: 0 auto; padding: 20px 16px 0; font-size: 14px; display: flex; gap: 16px; flex-wrap: wrap; }
.site-nav a { color: var(--text-dim); text-decoration: none; }
.site-nav a:hover, .site-nav a[aria-current] { color: var(--accent); }
.site-nav .brand { color: var(--text); font-weight: 600; margin-right: auto; }