/* Particle and transition effects */

/* Mode transition particle */
.mode-transition-particle {
  position: absolute;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  animation: particle-burst 0.8s ease-out forwards;
  pointer-events: none;
}

@keyframes particle-burst {
  0% {
    opacity: 1;
    transform: translate(0, 0) scale(1);
  }
  100% {
    opacity: 0;
    transform: translate(var(--px), var(--py)) scale(0);
  }
}

/* Evolution glow ring */
.evolve-ring {
  position: absolute;
  border-radius: 50%;
  border: 2px solid;
  animation: ring-expand 1s ease-out forwards;
  pointer-events: none;
}

@keyframes ring-expand {
  0% {
    opacity: 1;
    transform: scale(0.5);
  }
  100% {
    opacity: 0;
    transform: scale(3);
  }
}

/* File pickup effect */
.file-pickup-effect {
  position: absolute;
  font-size: 12px;
  color: #ff4f40;
  font-weight: bold;
  animation: pickup-float 1s ease-out forwards;
  pointer-events: none;
  user-select: none;
}

@keyframes pickup-float {
  0% { opacity: 1; transform: translateY(0); }
  100% { opacity: 0; transform: translateY(-30px); }
}

/* Tail wag (additional idle state effect) */
.tail-wag {
  animation: wag 0.5s ease-in-out infinite alternate;
}

@keyframes wag {
  0% { transform: rotate(-5deg); }
  100% { transform: rotate(5deg); }
}

/* Evolution stage transition -- bright flash */
.evolve-flash {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: white;
  animation: flash-in-out 0.6s ease forwards;
  pointer-events: none;
  z-index: 9999;
}

@keyframes flash-in-out {
  0% { opacity: 0; }
  30% { opacity: 0.3; }
  100% { opacity: 0; }
}