:root { --bg: #F5F3FF; --card: #FFFFFF; --ink: #17142B; --muted: #5B5872; --accent: #5B3DF5; }
@media (prefers-color-scheme: dark) { :root { --bg: #100D22; --card: #1C1836; --ink: #F3F1FF; --muted: #B4B0CC; --accent: #A99BFF; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
main { max-width: 720px; margin: 0 auto; padding: 48px 16px 64px; }
h1 { font-size: 34px; line-height: 1.15; margin: 0 0 8px; }
h2 { font-size: 20px; margin: 32px 0 8px; }
p, li { color: var(--muted); }
.card { background: var(--card); border-radius: 24px; padding: 20px 24px; margin-top: 24px; }
a { color: var(--accent); }
.small { font-size: 14px; }