body {
  font-family: system-ui, sans-serif;
  max-width: 800px;
  margin: 0 auto;
  padding: 1.5rem;
}

.hidden {
  display: none;
}

#choices button {
  display: block;
  margin: 0.5rem 0;
}

#stats {
  margin-top: 1.5rem;
  border-top: 1px solid #ccc;
  padding-top: 1rem;
  font-size: 0.9rem;
}