:root { --bg: #F4F1EA; --card: #fff; --text: #1E1E24; --muted: #6B6B76; --accent: #D7263D; }
@media (prefers-color-scheme: dark) {
  :root { --bg: #121217; --card: #1E1E26; --text: #F4F1EA; --muted: #9A9AA5; --accent: #FF4D5E; }
}
* { 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: 720px; margin: 0 auto; padding: 32px 16px 64px; }
header { display: flex; align-items: center; gap: 16px; margin-bottom: 24px; }
header img { width: 64px; height: 64px; border-radius: 15px; }
h1 { margin: 0; font-size: 28px; }
h2 { margin-top: 32px; font-size: 20px; }
section { background: var(--card); border-radius: 16px; padding: 8px 24px 16px; margin-bottom: 24px; }
nav a, a { color: var(--accent); }
nav { margin-bottom: 24px; display: flex; gap: 16px; }
.muted { color: var(--muted); font-size: 14px; }