:root {
  color-scheme: light;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
  margin: 0;
  background: #f4f5f7;
  color: #1c2330;
}

main {
  padding: 24px 16px;
  text-align: center;
}

h1 {
  font-size: 22px;
  margin: 0 0 12px;
}

#status {
  min-height: 1.4em;
  color: #4b5563;
}

button {
  font: inherit;
  padding: 12px 20px;
  border: 0;
  border-radius: 12px;
  background: #1e6fb3;
  color: #fff;
}

button:disabled {
  opacity: 0.5;
}