body {
  background-color: #f8f9fa;
}
.card {
  border-radius: 1rem;
}
.form-step {
  display: none;
}
.form-step.active {
  display: block;
  animation: fadeIn 0.5s ease;
}
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Barra de Progreso */
.progress-bar-container {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}
.step {
  flex: 1;
  text-align: center;
  padding-bottom: 0.5rem;
  border-bottom: 3px solid #e9ecef;
  color: #6c757d;
  transition: all 0.3s ease;
}
.step.active {
  border-bottom-color: #0d6efd;
  color: #0d6efd;
  font-weight: 600;
}
.step.completed {
  border-bottom-color: #198754;
  color: #198754;
}

.form-label {
  font-weight: 600;
}
.form-control.is-invalid,
.form-select.is-invalid {
  border-color: #dc3545;
}