@keyframes float {
  0% { transform: translateY(0); }
  50% { transform: translateY(-1.5cqh); }
  100% { transform: translateY(0); }
}

.float-idle {
  animation: float 4s ease-in-out infinite;
}

.float-idle-fast {
  animation: float 2.5s ease-in-out infinite;
}

@keyframes pulse-glow {
  0% { box-shadow: 0 0 10px rgba(0, 229, 255, 0.4), inset 0 0 5px rgba(0, 229, 255, 0.2); }
  50% { box-shadow: 0 0 25px rgba(0, 229, 255, 0.8), inset 0 0 15px rgba(0, 229, 255, 0.5); }
  100% { box-shadow: 0 0 10px rgba(0, 229, 255, 0.4), inset 0 0 5px rgba(0, 229, 255, 0.2); }
}

.shield-bubble {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, 
    rgba(255, 255, 255, 0.8) 0%, 
    rgba(0, 229, 255, 0.4) 40%, 
    rgba(78, 26, 138, 0.6) 80%, 
    rgba(0, 229, 255, 0.8) 100%
  );
  box-shadow: 
    0 0 20px var(--color-magic-blue),
    inset 0 0 15px rgba(255, 255, 255, 0.6);
  opacity: 0;
  transform: scale(0.5);
  pointer-events: none;
  z-index: 8;
  transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.shield-bubble.active {
  opacity: 1;
  transform: scale(1.15);
  animation: bubble-shield-float 3s ease-in-out infinite alternate;
}

@keyframes bubble-shield-float {
  0% { transform: scale(1.15) translateY(0); }
  100% { transform: scale(1.18) translateY(-0.8cqh); }
}


@keyframes shake {
  0%, 100% { transform: translate(0, 0); }
  10%, 30%, 50%, 70%, 90% { transform: translate(-0.5cqw, 0.3cqh); }
  20%, 40%, 60%, 80% { transform: translate(0.5cqw, -0.3cqh); }
}

.screen-shake {
  animation: shake 0.5s ease-in-out;
}

.fade-in {
  animation: fade-in 0.8s forwards;
}

.fade-out {
  animation: fade-out 0.8s forwards;
}

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fade-out {
  from { opacity: 1; }
  to { opacity: 0; }
}

.sparkle-particle {
  position: absolute;
  pointer-events: none;
  border-radius: 50%;
  background: radial-gradient(circle, #fff 20%, var(--color-magic-blue) 60%, transparent 100%);
  z-index: 10;
  animation: sparkle-explode 1.2s cubic-bezier(0.1, 0.8, 0.3, 1) forwards;
}

.star-particle {
  position: absolute;
  pointer-events: none;
  width: 0;
  height: 0;
  border-left: 1.5cqw solid transparent;
  border-right: 1.5cqw solid transparent;
  border-bottom: 2.5cqw solid var(--color-gold-glow);
  z-index: 10;
  animation: sparkle-explode 1.4s cubic-bezier(0.1, 0.8, 0.3, 1) forwards;
}

.star-particle::after {
  content: '';
  position: absolute;
  top: 0.8cqw;
  left: -1.5cqw;
  width: 0;
  height: 0;
  border-left: 1.5cqw solid transparent;
  border-right: 1.5cqw solid transparent;
  border-top: 2.5cqw solid var(--color-gold-glow);
}

@keyframes sparkle-explode {
  0% {
    transform: translate(0, 0) scale(1) rotate(0deg);
    opacity: 1;
  }
  100% {
    transform: translate(var(--tx), var(--ty)) scale(0) rotate(var(--rot));
    opacity: 0;
  }
}

@keyframes pulse-dance {
  0% {
    transform: scale(1) rotate(0deg) translateY(0);
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.5))
            drop-shadow(0 0 10px var(--color-gold-glow));
  }
  20% {
    transform: scale(1.08) rotate(-3.5deg) translateY(-1.5cqh);
    filter: drop-shadow(0 10px 16px rgba(0, 0, 0, 0.6))
            drop-shadow(0 0 25px var(--color-magic-blue));
  }
  40% {
    transform: scale(1.02) rotate(3deg) translateY(0.5cqh);
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.5))
            drop-shadow(0 0 15px var(--color-purple-magical));
  }
  60% {
    transform: scale(1.08) rotate(-2.5deg) translateY(-1cqh);
    filter: drop-shadow(0 9px 14px rgba(0, 0, 0, 0.55))
            drop-shadow(0 0 22px var(--color-gold-bright));
  }
  80% {
    transform: scale(1.02) rotate(2deg) translateY(0.2cqh);
    filter: drop-shadow(0 5px 10px rgba(0, 0, 0, 0.5))
            drop-shadow(0 0 18px var(--color-magic-blue));
  }
  100% {
    transform: scale(1) rotate(0deg) translateY(0);
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.5))
            drop-shadow(0 0 10px var(--color-gold-glow));
  }
}

@keyframes character-appear {
  0% {
    opacity: 0;
    transform: scale(0.92) translateY(5cqh);
  }
  100% {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

@keyframes pop-in-item {
  0% {
    opacity: 0;
    transform: scale(0);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

.sprite-change {
  animation: sprite-swap-pop 0.55s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.character.sprite-transitioning {
  animation: none !important;
  transition: opacity 0.3s ease-out, transform 0.3s cubic-bezier(0.25, 1, 0.5, 1) !important;
}

.character.sprite-transitioning.fade-in-active {
  transition: opacity 0.3s ease-in, transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) !important;
}

@keyframes sprite-swap-pop {
  0% {
    transform: scale(0.9) translateY(1.5cqh);
    filter: brightness(1.2) contrast(1.1);
    opacity: 0.75;
  }
  50% {
    transform: scale(1.06) translateY(-0.5cqh);
    filter: brightness(1.08);
    opacity: 1;
  }
  75% {
    transform: scale(0.98) translateY(0.2cqh);
  }
  100% {
    transform: scale(1) translateY(0);
    filter: brightness(1) contrast(1);
    opacity: 1;
  }
}

.scene-transition-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100cqw;
  height: 100cqh;
  background-color: #000000;
  z-index: 100000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease-in-out;
}

.scene-transition-overlay.transition-active {
  opacity: 1;
  pointer-events: auto;
}

.character.shield-powerup {
  animation: shield-powerup-bounce 0.8s cubic-bezier(0.25, 1, 0.5, 1) forwards;
}

@keyframes shield-powerup-bounce {
  0% {
    transform: scale(1) translateY(0);
    filter: brightness(1) drop-shadow(0 0 0px var(--color-gold-glow));
  }
  20% {
    transform: scale(1.05, 0.95) translateY(0);
    filter: brightness(1.1) drop-shadow(0 0 8px var(--color-gold-glow));
  }
  50% {
    transform: scale(0.97, 1.03) translateY(-1cqh);
    filter: brightness(1.15) drop-shadow(0 0 12px var(--color-magic-blue));
  }
  75% {
    transform: scale(1.02, 0.98) translateY(0.1cqh);
    filter: brightness(1.05) drop-shadow(0 0 5px var(--color-gold-glow));
  }
  100% {
    transform: scale(1) translateY(0);
    filter: brightness(1) drop-shadow(0 0 0px var(--color-gold-glow));
  }
}

@keyframes start-button-pulse {
  0% {
    transform: scale(1);
    filter: drop-shadow(0 0 12px rgba(255, 215, 0, 0.4));
  }
  50% {
    transform: scale(1.04);
    filter: drop-shadow(0 0 24px rgba(255, 215, 0, 0.75)) brightness(1.08);
  }
  100% {
    transform: scale(1);
    filter: drop-shadow(0 0 12px rgba(255, 215, 0, 0.4));
  }
}