@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeOut {
  from { opacity: 1; }
  to { opacity: 0; }
}

@keyframes slideUp {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes slideDown {
  from {
    transform: translateY(-20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes slideInRight {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes slideOutRight {
  from {
    transform: translateX(0);
    opacity: 1;
  }
  to {
    transform: translateX(100%);
    opacity: 0;
  }
}

@keyframes scaleIn {
  from {
    transform: scale(0.8);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

@keyframes bounceIn {
  0% { transform: scale(0.8); opacity: 0; }
  50% { transform: scale(1.05); opacity: 1; }
  100% { transform: scale(1); opacity: 1; }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-4px); }
  75% { transform: translateX(4px); }
}

@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes sway {
  0%, 100% { transform: rotate(-3deg); }
  50% { transform: rotate(3deg); }
}

@keyframes glow {
  0%, 100% { box-shadow: 0 0 10px var(--immortal-glow); }
  50% { box-shadow: 0 0 20px var(--immortal-glow), 0 0 30px var(--immortal-glow); }
}

@keyframes coinSpin {
  from { transform: rotateY(0); }
  to { transform: rotateY(360deg); }
}

@keyframes coinFloat {
  0% { transform: translateY(0) scale(1); opacity: 1; }
  100% { transform: translateY(-30px) scale(1.5); opacity: 0; }
}

@keyframes growthPulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.15); }
  100% { transform: scale(1); }
}

@keyframes wilt {
  0% { transform: scale(1); filter: grayscale(0%); opacity: 1; }
  100% { transform: scale(0.9); filter: grayscale(100%); opacity: 0.5; }
}

@keyframes confettiFall {
  0% { transform: translateY(-10px) rotate(0deg); opacity: 1; }
  100% { transform: translateY(100vh) rotate(720deg); opacity: 0; }
}

@keyframes auroraShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes sparkle {
  0%, 100% { opacity: 0; }
  50% { opacity: 1; }
}

@keyframes crownBob {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-4px) rotate(5deg); }
}

/* Utility Classes */
.animate-fade-in { animation: fadeIn 0.3s cubic-bezier(0.4, 0, 0.2, 1) forwards; }
.animate-slide-up { animation: slideUp 0.4s cubic-bezier(0.4, 0, 0.2, 1) forwards; }
.animate-slide-down { animation: slideDown 0.4s cubic-bezier(0.4, 0, 0.2, 1) forwards; }
.animate-scale-in { animation: scaleIn 0.3s cubic-bezier(0.4, 0, 0.2, 1) forwards; }
.animate-bounce-in { animation: bounceIn 0.5s cubic-bezier(0.4, 0, 0.2, 1) forwards; }
.animate-shake { animation: shake 0.4s ease-in-out; }
.animate-pulse { animation: pulse 2s infinite; }
.animate-sway { animation: sway 4s infinite ease-in-out; transform-origin: bottom center; }
.animate-glow { animation: glow 2s infinite ease-in-out; }

/* Staggered Delays */
.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }
.animate-delay-5 { animation-delay: 0.5s; }

.transition-all {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}