:root { color-scheme: light dark; --bg: #eae9fb; --card: #f8f7ff; --text: #292663; --sub: #5f5b89; --accent: #6156d6; }
@media (prefers-color-scheme: dark) { :root { --bg: #202940; --card: #2a3452; --text: #eef0ff; --sub: #b8bfdc; --accent: #a49fff; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.6 system-ui, -apple-system, "Segoe UI", sans-serif; }
main { max-width: 720px; margin: 0 auto; padding: 32px 20px 64px; }
h1 { font-size: 2rem; line-height: 1.2; } h2 { margin-top: 2rem; font-size: 1.25rem; }
a { color: var(--accent); } .muted { color: var(--sub); }
.card { background: var(--card); border-radius: 20px; padding: 20px 24px; margin: 20px 0; }
nav a { margin-right: 16px; }