/* Space Defender 3D — game-local styles */

.sd-shake {
  animation: sd-shake-anim 0.38s linear;
}
@keyframes sd-shake-anim {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-8px); }
  40% { transform: translateX(7px); }
  60% { transform: translateX(-5px); }
  80% { transform: translateX(3px); }
}