#globalLoadingPanel{
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(255, 255, 255, 0.4); /* transparent blanc */
  backdrop-filter: blur(0.5px); /* effet discret mais moderne */
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  transition: opacity 0.3s ease;
}

.spinner {
  width: 28px;
  height: 28px;
  border: 3px solid transparent;
  border-top: 3px solid #555;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  opacity: 0.8;
  z-index: 10;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}