body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #0f172a;
  color: #e5e7eb;
}

.container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

button {
  margin-top: 1rem;
  padding: 0.6rem 1.2rem;
  border: none;
  border-radius: 6px;
  background: #38bdf8;
  color: #020617;
  font-size: 1rem;
  cursor: pointer;
}

button:hover {
  background: #0ea5e9;
}