body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #111827;
  color: white;
}

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

.btn {
  margin-top: 20px;
  padding: 12px 20px;
  border-radius: 8px;
  background: #22c55e;
  color: #052e16;
  text-decoration: none;
  font-weight: bold;
}