body {
  font-family: system-ui, sans-serif;
  max-width: 480px;
  margin: 60px auto;
  text-align: center;
  color: #1B3A5C;
}

button {
  font-size: 18px;
  padding: 14px 28px;
  border-radius: 8px;
  border: none;
  background: #0E7C7B;
  color: white;
  cursor: pointer;
}

button:disabled {
  background: #aaa;
  cursor: default;
}

#status {
  margin-top: 20px;
  color: #5A6472;
}