.gme-btn-complete:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.gme-spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(0,0,0,0.3);
  border-radius: 50%;
  border-top-color: #000;
  animation: gme-button-spin 0.8s linear infinite;
}

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

.gme-notification-popup {
  position: fixed;
  bottom: 20px;
  right: 20px;
  padding: 20px 30px;
  background: #00ff00;
  color: #000;
  border-radius: 5px;
  font-weight: bold;
  font-size: 16px;
  z-index: 10000;
  box-shadow: 0 4px 12px rgba(0,0,0,0.5);
  max-width: 400px;
  text-align: center;
}