:root {
  --primary-color: #5f849b;
  --secondary-color: #6c757d;
  --success-color: #198754;
  --warning-color: #ffc107;
  --danger-color: #dc3545;
  --light-color: #f8f9fa;
  --dark-color: #212529;
}

body {
  background-color: var(--light-color);
  font-family: Arial, sans-serif;
}

.card {
  border-radius: 10px;
  border: none;
}

.card-header {
  background-color: var(--primary-color);
  color: white;
  font-weight: bold;
  font-size: 1.2rem;
  border-top-left-radius: 10px !important;
  border-top-right-radius: 10px !important;
  padding: 1rem;
}

.card-body {
  padding: 2rem;
}

.btn-primary {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  padding: 0.5rem;
  font-weight: bold;
  transition: all 0.3s ease;
}

.btn-primary:hover {
  background-color: #0b5ed7;
  border-color: #0b5ed7;
  transform: translateY(-2px);
}

.form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

@media (max-width: 768px) {
  .card-body {
    padding: 1rem;
  }
}