@keyframes glowButton {
  0% {
    box-shadow: 0 0 10px rgba(255,165,0,0.3), 0 0 20px rgba(255,140,0,0.2);
    transform: scale(1);
  }
  50% {
    box-shadow: 0 0 22px rgba(255,165,0,0.6), 0 0 38px rgba(255,140,0,0.35);
    transform: scale(1.03);
  }
  100% {
    box-shadow: 0 0 10px rgba(255,165,0,0.3), 0 0 20px rgba(255,140,0,0.2);
    transform: scale(1);
  }
}

@keyframes shine {
  0% {
    left: -75%;
  }
  100% {
    left: 130%;
  }
}