#loading-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(255,255,255,0.95);
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  font-family: Arial, sans-serif;
  z-index: 9999;
}

/* Spinner bulat */
.spinner {
  border: 6px solid #f3f3f3; /* warna background */
  border-top: 6px solid #3498db; /* warna puter */
  border-radius: 50%;
  width: 60px;
  height: 60px;
  animation: spin 1s linear infinite;
  margin-bottom: 15px;
}

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

#loading-overlay h2 {
  margin: 0;
  font-size: 22px;
  font-weight: bold;
  color: #333;
}

#loading-overlay p {
  margin: 5px 0 0;
  font-size: 14px;
  color: #666;
}
#loading-overlay .progress-bar {
  width: 80%;
  height: 20px;
  background: #e0e0e0;
  border-radius: 10px;
  overflow: hidden;
  margin-top: 15px;
}