body { margin: 0; background: #f7f6f2; color: #1c1b19; font: 16px/1.5 system-ui, sans-serif; }
main { max-width: 36rem; margin: 0 auto; padding: 24px 16px; }
h1 { font-size: 1.8rem; margin: 0 0 8px; }
h2 { font-size: 1.1rem; margin: 24px 0 8px; }
a, button { font-size: 1rem; }
#telecharger { display: inline-block; padding: 12px 16px; background: #1f5f8b; color: #fff; border-radius: 8px; text-decoration: none; }
#mention { color: #5b5853; font-size: 0.9rem; border-top: 1px solid #dedad2; margin-top: 32px; }
textarea { width: 100%; min-height: 6rem; }
@media (prefers-color-scheme: dark) {
  body { background: #161614; color: #ecebe7; }
  #mention { color: #a8a49c; border-color: #3a3833; }
}