.spinner {
  position: absolute;
  top: 0; left: 0;
  width: 64px;
  height: 64px;
  border: 6px solid #eee;
  border-top: 6px solid #FFD700;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  box-sizing: border-box;
}
.spinner-logo {
  position: absolute;
  left: 50%; top: 50%;
  width: 32px; height: 32px;
  transform: translate(-50%, -50%);
  object-fit: contain;
  pointer-events: none;
  user-select: none;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}