/* Global background */
body {
  background: linear-gradient(135deg, #000080 0%, #ffffff 60%, #ef4444 100%);
  min-height: 100vh;
  font-family: sans-serif;
}

/* Buttons */
.btn-primary {
  background-color: #000080; /* Navy Blue */
  color: white;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: 0.375rem;
  transition: background-color 0.3s ease-in-out;
}
.btn-primary:hover {
  background-color: #ef4444; /* Red */
}

.btn-secondary {
  background-color: #6b7280; /* Gray-500 */
  color: white;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: 0.375rem;
  transition: background-color 0.3s ease-in-out;
}
.btn-secondary:hover {
  background-color: #374151; /* Gray-700 */
}

/* Card / container styling */
.card {
  background: white;
  padding: 1.5rem;
  border-radius: 0.75rem;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}