:root { --bg: #ffffff; --text: #16161a; --muted: #5d5d66; --card: #f4f4f2; --accent: #8a6200; --line: #e2e2de; }
@media (prefers-color-scheme: dark) {
  :root { --bg: #0b0b0c; --text: #f5f5f4; --muted: #a1a1aa; --card: #18181b; --accent: #e8b84a; --line: #2a2a2e; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
main { max-width: 680px; margin: 0 auto; padding: 40px 20px 64px; }
header { display: flex; align-items: center; gap: 14px; margin-bottom: 28px; }
header img { width: 64px; height: 64px; border-radius: 15px; }
header a { color: inherit; text-decoration: none; }
h1 { font-size: 28px; margin: 0; }
h2 { font-size: 20px; margin: 32px 0 8px; }
p, li { color: var(--text); }
.muted { color: var(--muted); }
a { color: var(--accent); }
nav { display: flex; gap: 18px; margin: 6px 0 0; font-size: 15px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 18px 20px; margin: 16px 0; }
footer { margin-top: 48px; font-size: 14px; color: var(--muted); }