:root { --bg: #f7f8f6; --fg: #17201b; --muted: #55605a; --accent: #a87d12; --card: #ffffff; --line: #dfe3e0; }
@media (prefers-color-scheme: dark) { :root { --bg: #0f1a14; --fg: #e9efe9; --muted: #9fb0a6; --accent: #d4b03a; --card: #16241c; --line: #26382d; } }
* { 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: 720px; margin: 0 auto; padding: 40px 16px 64px; }
h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 8px; }
h2 { font-size: 1.15rem; margin: 32px 0 8px; }
a { color: var(--accent); }
.muted { color: var(--muted); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px 20px; margin: 16px 0; }
nav { display: flex; gap: 16px; margin-bottom: 32px; font-weight: 600; }
nav a { text-decoration: none; }
ul { padding-left: 20px; }
footer { margin-top: 48px; font-size: 0.9rem; }