body {
  background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
  font-family: 'Montserrat', Arial, sans-serif;
}
.card {
  border-radius: 1rem;
  box-shadow: 0 4px 24px rgba(0,0,0,0.08);
}
.btn-primary {
  background: #6a11cb;
  border: none;
}
.btn-primary:hover {
  background: #2575fc;
}
h2 {
  font-weight: 700;
  color: #6a11cb;
}
.alert {
  border-radius: 0.5rem;
}