html,
body {
  margin: 0;
  font-family: system-ui, sans-serif;
  background: transparent;
  color: #1f2933;
}
main {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-start;
}
button {
  font: inherit;
  padding: 8px 16px;
  border: 0;
  border-radius: 6px;
  background: #1a56db;
  color: #fff;
  cursor: pointer;
}
button[hidden] {
  display: none;
}
@media (prefers-color-scheme: dark) {
  html,
  body {
    color: #e5e7eb;
  }
}