.step {
  display: none;
}
.step.active {
  display: block;
  animation: fadeIn 0.3s ease-in-out;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
footer {
  background-color: #f8f9fa;
  padding: 15px 0;
  margin-top: 50px;
  text-align: center;
  font-size: 0.9rem;
  color: #666;
}
.is-invalid {
  border-color: #dc3545 !important;
}
.invalid-feedback {
  color: #dc3545;
  font-size: 0.875em;
}
/* Style untuk mencegah panah di input number */
input[type=number]::-webkit-inner-spin-button,
input[type=number]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
input[type=number] {
  -moz-appearance: textfield;
}
@media (max-width: 768px) {
  body {
    font-size: 14px;
  }
  .card-header h4 {
    font-size: 1.2rem;
  }
  .form-control, .form-select {
    padding: 0.375rem 0.75rem;
    font-size: 14px;
  }
  .btn {
    padding: 0.375rem 0.75rem;
    font-size: 14px;
  }
  .progress {
    height: 20px !important;
  }
  #step-title {
    font-size: 1rem;
  }
  footer {
    padding: 10px 0;
    font-size: 0.8rem;
  }
}
/* Style untuk popover info */
.info-icon {
  color: #0d6efd;
  cursor: pointer;
  margin-left: 5px;
}
.info-icon:hover {
  color: #0b5ed7;
}