/* ============================================
   GeoQuest - Animation Keyframes
   ============================================ */

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

/* Fade Out */
@keyframes fadeOut {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
  }
}

/* Scale In */
@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Slide In from Left */
@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Slide In from Right */
@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Slide In from Bottom */
@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Float Animation */
@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-15px);
  }
}

/* Pulse Animation */
@keyframes pulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.8;
    transform: scale(1.05);
  }
}

/* Bounce Animation */
@keyframes bounce {
  0%, 20%, 53%, 100% {
    animation-timing-function: cubic-bezier(0.215, 0.61, 0.355, 1);
    transform: translateY(0);
  }
  40%, 43% {
    animation-timing-function: cubic-bezier(0.755, 0.05, 0.855, 0.06);
    transform: translateY(-30px);
  }
  70% {
    animation-timing-function: cubic-bezier(0.755, 0.05, 0.855, 0.06);
    transform: translateY(-15px);
  }
  80% {
    transform: translateY(0);
  }
  90% {
    transform: translateY(-4px);
  }
}

/* Correct Answer Pulse */
@keyframes correctPulse {
  0% {
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  }
  50% {
    box-shadow: 0 0 0 15px rgba(16, 185, 129, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
  }
}

/* Wrong Answer Shake */
@keyframes wrongShake {
  0%, 100% {
    transform: translateX(0);
  }
  10%, 30%, 50%, 70%, 90% {
    transform: translateX(-5px);
  }
  20%, 40%, 60%, 80% {
    transform: translateX(5px);
  }
}

/* Achievement Pop */
@keyframes achievementPop {
  0% {
    transform: scale(0);
  }
  50% {
    transform: scale(1.2);
  }
  100% {
    transform: scale(1);
  }
}

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

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

/* Glow Pulse */
@keyframes glowPulse {
  0%, 100% {
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.3);
  }
  50% {
    box-shadow: 0 0 40px rgba(99, 102, 241, 0.6);
  }
}

/* Timer Warning */
@keyframes timerWarning {
  0%, 100% {
    color: var(--gold-400);
    background: rgba(245, 158, 11, 0.15);
  }
  50% {
    color: var(--danger-400);
    background: rgba(239, 68, 68, 0.2);
  }
}

/* Streak Fire */
@keyframes streakFire {
  0%, 100% {
    transform: scale(1);
  }
  25% {
    transform: scale(1.1) rotate(-5deg);
  }
  75% {
    transform: scale(1.1) rotate(5deg);
  }
}

/* Score Pop */
@keyframes scorePop {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.3);
    color: var(--gold-400);
  }
  100% {
    transform: scale(1);
  }
}

/* Loading Dots */
@keyframes loadingDots {
  0%, 20% {
    opacity: 0;
  }
  50% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}

/* Progress Fill */
@keyframes progressFill {
  from {
    width: 0%;
  }
}

/* Star Sparkle */
@keyframes starSparkle {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.5;
    transform: scale(0.8);
  }
}

/* Reveal */
@keyframes reveal {
  from {
    clip-path: inset(0 100% 0 0);
  }
  to {
    clip-path: inset(0 0 0 0);
  }
}

/* Typing Cursor */
@keyframes typingCursor {
  0%, 100% {
    border-right-color: transparent;
  }
  50% {
    border-right-color: var(--text-primary);
  }
}

/* Card Flip */
@keyframes cardFlip {
  0% {
    transform: perspective(600px) rotateY(0deg);
  }
  100% {
    transform: perspective(600px) rotateY(180deg);
  }
}

/* Gradient Shift */
@keyframes gradientShift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

/* ============================================
   Animation Utility Classes
   ============================================ */

.animate-fade-in {
  animation: fadeIn 0.3s ease forwards;
}

.animate-fade-out {
  animation: fadeOut 0.3s ease forwards;
}

.animate-scale-in {
  animation: scaleIn 0.3s ease forwards;
}

.animate-slide-up {
  animation: slideInUp 0.3s ease forwards;
}

.animate-slide-left {
  animation: slideInLeft 0.3s ease forwards;
}

.animate-slide-right {
  animation: slideInRight 0.3s ease forwards;
}

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

.animate-pulse {
  animation: pulse 2s ease-in-out infinite;
}

.animate-bounce {
  animation: bounce 1s ease;
}

.animate-spin {
  animation: spin 1s linear infinite;
}

.animate-glow {
  animation: glowPulse 2s ease-in-out infinite;
}

.animate-shake {
  animation: wrongShake 0.5s ease;
}

/* Stagger animations for lists */
.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }
.stagger-5 { animation-delay: 0.5s; }

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}