#loading-overlay{
  position: fixed;
  inset: 0;
  background: #ffffff;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
}

#loading-overlay.is-fading{
  opacity: 0;
  transition: opacity 0.3s ease;
}

.spinner{
  width: 50px;
  height: 50px;
  border: 6px solid #cce4ff;
  border-top: 6px solid #3c7fb1;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}
@keyframes spin{ to { transform: rotate(360deg); } }