/* 
  ABANGADEKGANTENG - animation.css
  Kumpulan animasi CSS murni, transisi halaman smooth,
  dan efek visual interaktif (ripple, skeleton loader, dsb).
*/

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

/* Slide Up Entrance */
@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Scale Up (Pop-In) */
@keyframes scaleUp {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Ripple Click/Touch Effect */
@keyframes rippleEffect {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

/* Shimmer/Skeleton Loading */
@keyframes skeletonShimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

/* Floating Animation */
@keyframes floatY {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-6px);
  }
}

/* Pulse Glow Accent */
@keyframes pulseGlow {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(79, 70, 229, 0.4);
  }
  50% {
    box-shadow: 0 0 16px 4px rgba(79, 70, 229, 0.2);
  }
}

/* Apply Animation Classes */
.animate-fade-in {
  animation: fadeIn var(--transition-smooth) forwards;
}

.animate-slide-up {
  animation: slideUp var(--transition-smooth) forwards;
}

.animate-scale-up {
  animation: scaleUp var(--transition-smooth) forwards;
}

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

.animate-glow {
  animation: pulseGlow 2s infinite;
}

/* Page Transition Wrappers */
.page-transition-enter {
  opacity: 0;
  transform: translateY(12px) scale(0.98);
  transition: opacity 300ms cubic-bezier(0.16, 1, 0.3, 1), 
              transform 300ms cubic-bezier(0.16, 1, 0.3, 1);
}

.page-transition-active {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.page-transition-exit {
  opacity: 0;
  transform: translateY(-12px) scale(0.98);
  transition: opacity 250ms cubic-bezier(0.16, 1, 0.3, 1), 
              transform 250ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* Skeleton Loading Styling */
.skeleton {
  background: linear-gradient(90deg, 
    var(--bg-secondary) 25%, 
    var(--glass-border) 37%, 
    var(--bg-secondary) 63%
  );
  background-size: 400% 100%;
  animation: skeletonShimmer 1.4s ease infinite;
}

/* Ripple Element Shell */
.ripple-btn {
  position: relative;
  overflow: hidden;
}

.ripple-element {
  position: absolute;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.35);
  transform: scale(0);
  animation: rippleEffect var(--transition-ripple) forwards;
  pointer-events: none;
}

/* Dark theme alternative ripple color */
@media (prefers-color-scheme: dark) {
  .ripple-element {
    background: rgba(255, 255, 255, 0.15);
  }
}