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

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

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  10%, 50%, 90% { transform: translateX(-4px); }
  30%, 70% { transform: translateX(4px); }
}

@keyframes popIn {
  0% { transform: scale(0); }
  70% { transform: scale(1.2); }
  100% { transform: scale(1); }
}

@keyframes celebrate {
  0% { transform: scale(1); }
  25% { transform: scale(1.1) rotate(-3deg); }
  50% { transform: scale(1.15) rotate(3deg); }
  75% { transform: scale(1.1) rotate(-2deg); }
  100% { transform: scale(1); }
}

@keyframes starReveal {
  0% {
    opacity: 0;
    transform: scale(0) rotate(-180deg);
  }
  60% {
    transform: scale(1.3) rotate(20deg);
  }
  100% {
    opacity: 1;
    transform: scale(1) rotate(0deg);
  }
}

@keyframes confettiDrop {
  0% {
    opacity: 1;
    transform: translateY(0) rotate(0deg);
  }
  100% {
    opacity: 0;
    transform: translateY(100vh) rotate(720deg);
  }
}

.animate-fade-in {
  opacity: 1;
}

.animate-slide-up {
  opacity: 1;
}

.animate-shake {
  animation: shake 0.4s ease;
}

.animate-pop-in {
  animation: popIn 0.3s ease;
}

.animate-celebrate {
  animation: celebrate 0.6s ease;
}

.animate-star-reveal {
  animation: starReveal 0.5s ease forwards;
}

/* Confetti overlay */
.confetti-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 1000;
  overflow: hidden;
}

.confetti-piece {
  position: absolute;
  width: 10px;
  height: 10px;
  top: -10px;
  animation: confettiDrop linear forwards;
}

/* ── Correct flash ── */
@keyframes correctFlash {
  0% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
  30% { box-shadow: 0 0 0 8px rgba(34, 197, 94, 0.25); }
  100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
}

/* ── Sparkle burst ── */
@keyframes sparkleOut {
  0% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(0);
  }
  50% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.5);
  }
  100% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0) translateY(-20px);
  }
}

/* ── Mascot idle bounce ── */
@keyframes idleBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

.mascot-area {
  animation: idleBounce 3s ease-in-out infinite;
}