/* Fade animations */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

/* Scale animations */
@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.85); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes scaleOut {
  from { opacity: 1; transform: scale(1); }
  to { opacity: 0; transform: scale(0.85); }
}

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

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

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(30px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-30px); }
  to { opacity: 1; transform: translateX(0); }
}

/* Goal celebration */
@keyframes goalPulse {
  0% { transform: scale(0.3); opacity: 0; }
  50% { transform: scale(1.2); opacity: 1; }
  100% { transform: scale(1); opacity: 1; }
}

/* Puck shot */
@keyframes puckShot {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(0, -100px) scale(0.8); }
  100% { transform: translate(0, -200px) scale(0.5); opacity: 0; }
}

/* Pulse glow for available activities */
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 10px rgba(0,48,135,0.3); }
  50% { box-shadow: 0 0 25px rgba(0,48,135,0.6); }
}

/* Spin for loading */
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Bounce */
@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  40% { transform: translateY(-15px); }
  60% { transform: translateY(-8px); }
}

/* Shake for wrong answer */
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-8px); }
  40% { transform: translateX(8px); }
  60% { transform: translateX(-6px); }
  80% { transform: translateX(6px); }
}

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

/* Speech bubble pop */
@keyframes bubblePop {
  0% { transform: scale(0.8); opacity: 0; }
  60% { transform: scale(1.05); }
  100% { transform: scale(1); opacity: 1; }
}

/* XP counter animation */
@keyframes countUp {
  from { transform: translateY(10px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* Star earning */
@keyframes starEarn {
  0% { transform: scale(0) rotate(-180deg); }
  60% { transform: scale(1.3) rotate(10deg); }
  100% { transform: scale(1.1) rotate(0deg); }
}

/* Zamboni drive */
@keyframes zamboniDrive {
  from { transform: translateX(-100%); }
  to { transform: translateX(100%); }
}

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

/* Score flash */
@keyframes scoreFlash {
  0% { color: var(--xp-gold); transform: scale(1.5); }
  100% { color: var(--text-light); transform: scale(1); }
}

/* Utility classes */
.animate-fade-in { animation: fadeIn 0.3s ease; }
.animate-scale-in { animation: scaleIn 0.3s ease; }
.animate-slide-up { animation: slideUp 0.3s ease; }
.animate-slide-down { animation: slideDown 0.3s ease; }
.animate-shake { animation: shake 0.4s ease; }
.animate-bounce { animation: bounce 0.5s ease; }
.animate-star { animation: starEarn 0.5s ease forwards; }