#loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(30, 30, 30, 0.9);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  font-family: "Vazir", sans-serif;
}

.spinner {
  border: 6px solid #ccc;
  border-top: 6px solid #333;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  animation: spin 1s linear infinite;
  margin-bottom: 10px;
}

.loading-message {
  font-size: 1.1rem;
  color: #cdcdcd;
  font-family: 'B Nazanin', 'tahoma';
}

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