:root { --bg: #f7f3e8; --fg: #2b2a26; --muted: #6b675c; --accent: #3e8e41; --card: #fffdf7; }
@media (prefers-color-scheme: dark) { :root { --bg: #1d1f1b; --fg: #ecebe4; --muted: #a9a79c; --accent: #6fcf73; --card: #262923; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
main { max-width: 760px; margin: 0 auto; padding: 32px 16px 64px; }
h1 { font-size: 1.8rem; margin: 0 0 4px; }
h2 { margin-top: 2.2em; font-size: 1.3rem; }
h3 { font-size: 1.05rem; margin: 1.6em 0 .3em; }
a { color: var(--accent); }
.muted { color: var(--muted); font-size: .9rem; }
.card { background: var(--card); border-radius: 14px; padding: 20px; margin: 20px 0; }
nav a { margin-right: 14px; }
footer { margin-top: 48px; color: var(--muted); font-size: .85rem; }