/* ============================================
   Rate Goals - Animations
   All @keyframes definitions consolidated
   ============================================ */

/* Basic fade in */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Fade in with dark mode background transition */
@keyframes fadeInDark {
  from {
    opacity: 0;
    background-color: var(--bg-color);
  }
  to {
    opacity: 1;
    background-color: var(--bg-secondary);
  }
}

/* Fade in with upward movement (for rating changes) */
@keyframes fadeInUp {
  0% {
    opacity: 0;
    transform: translateY(10px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Slide up from bottom (for next matchup button) */
@keyframes slideUp {
  from {
    transform: translateY(100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* Spinner rotation (for loading overlays) */
@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* Pulse scale effect (for streak badge) */
@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
}

/* Pulse glow effect (for winner celebration) */
@keyframes pulseGlow {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
  }
}

/* Card pulse shadow (for tappable mobile cards) */
@keyframes cardPulse {
  0%,
  100% {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  }
  50% {
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.25);
  }
}

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

/* ============================================
   Animation utility classes
   ============================================ */

.fade-in {
  animation: fadeIn 0.5s ease-in;
}

.fade-transition {
  animation: fadeIn 0.3s ease-out;
}

.winner-card {
  animation: pulseGlow 0.5s ease-out;
}

.streak-badge--animated {
  animation: pulse 1.5s ease-in-out infinite;
}

.rating-change {
  display: inline-block;
  animation: fadeInUp 0.5s ease-out;
}

.confetti-particle {
  will-change: transform, opacity;
}