body {
  font-family: Inter, sans-serif;
  background: #1e2f3c;
  color: #00FFFF;
  margin: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}
#app {
  text-align: center;
}
button {
  background: #00FFFF;
  border: none;
  padding: 10px 20px;
  font-size: 16px;
  margin-top: 20px;
  cursor: pointer;
}
pre {
  background: rgba(255, 255, 255, 0.1);
  padding: 15px;
  margin-top: 20px;
}