body {
  background: linear-gradient(135deg, #001f3f, #0074D9);
  
}


@keyframes floatUp {
  from { opacity: 0; transform: translateY(50px); }
  to { opacity: 1; transform: translateY(0); }
}

.btn-primary, .btn-success {
  border: none;
  transition: all 0.3s ease;
}

.btn-primary:hover, .btn-success:hover {
  transform: scale(1.05);
}

#loadingOverlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  color: #fff;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  font-weight: 500;
  font-size: 1.1rem;
}