/* Full-page overlay */
#loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #003366; /* HeDPAC blue */
  z-index: 99999;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: white;
  font-family: 'Segoe UI', sans-serif;
  font-size: 20px;
}

/* Gold spinner */
.loader {
  border: 8px solid rgba(255,255,255,0.3);
  border-top: 8px solid #d4af37; /* HeDPAC gold */
  border-radius: 50%;
  width: 70px;
  height: 70px;
  animation: spin 1.4s linear infinite;
  margin-bottom: 20px;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}