body { margin: 0; font: 1rem/1.5 "Segoe UI", system-ui, sans-serif; background: #F6F5F0; color: #17211B; }
main { max-width: 40rem; margin: 15vh auto; padding: 0 16px; }
h1 { font-family: Georgia, "Times New Roman", serif; font-size: 1.75rem; }
a { color: #1F5FAF; }
@media (prefers-color-scheme: dark) { body { background: #0E1822; color: #E7ECEF; } a { color: #7FB0F0; } }