:root {
  color-scheme: light;
  font-family: -apple-system, system-ui, sans-serif;
}
body {
  margin: 0 auto;
  max-width: 32rem;
  padding: calc(env(safe-area-inset-top) + 1rem) 1rem calc(env(safe-area-inset-bottom) + 2rem);
  background: #fff;
  color: #1a1a2e;
  line-height: 1.45;
}
h1 {
  font-size: 1.4rem;
}
h2 {
  font-size: 1.05rem;
  margin: 0 0 0.5rem;
}
section {
  border: 1px solid #e3e3ee;
  border-radius: 12px;
  padding: 0.9rem;
  margin: 0.9rem 0;
}
.note {
  color: #5a5a72;
  font-size: 0.9rem;
}
button {
  font: inherit;
  display: block;
  width: 100%;
  margin: 0.4rem 0;
  padding: 0.75rem;
  border: 0;
  border-radius: 10px;
  background: #645afb;
  color: #fff;
}
button.secondary {
  background: #ececf4;
  color: #1a1a2e;
}
#results {
  padding-left: 1.1rem;
  font-size: 0.85rem;
  word-break: break-word;
}
.ok {
  color: #157f3b;
}
.fail {
  color: #b42318;
}