:root { --text: #1f2937; --muted: #6b7280; --accent: #009E49; --bg: #ffffff; }
@media (prefers-color-scheme: dark) { :root { --text: #e5e7eb; --muted: #9ca3af; --accent: #34d399; --bg: #111827; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
main { max-width: 760px; margin: 0 auto; padding: 32px 16px 64px; }
h1 { color: var(--accent); font-size: 1.7rem; margin: 0 0 4px; }
h2 { font-size: 1.15rem; margin-top: 28px; }
.muted { color: var(--muted); font-size: .9rem; }
a { color: var(--accent); }
li { margin: 4px 0; }