body {
  margin: 0;
  font-family:
    system-ui,
    -apple-system,
    'Segoe UI',
    Roboto,
    sans-serif;
  color: #111827;
  background: #ffffff;
}
main {
  max-width: 32rem;
  margin: 0 auto;
  padding: 1.5rem 1rem;
}
section + section {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid #d1d5db;
}
h1 {
  font-size: 1.5rem;
}
.button {
  display: inline-block;
  min-height: 44px;
  line-height: 44px;
  padding: 0 1rem;
  border-radius: 10px;
  background: #2563eb;
  color: #ffffff;
  text-decoration: none;
  font-weight: 600;
}
.muted {
  color: #6b7280;
}
.error {
  color: #b91c1c;
}
[hidden] {
  display: none !important;
}