/* ANCHOR: animations */
/* REUSED: Universal animation library for all interactive elements */
/* SCALED FOR: 60fps performance with hardware acceleration */

/* ANCHOR: cat_animations */
.cat-idle {
  animation: cat-idle-pulse 2s ease-in-out infinite;
}

@keyframes cat-idle-pulse {
  0%, 100% { 
    transform: scale(1); 
    opacity: 1;
  }
  50% { 
    transform: scale(1.05); 
    opacity: 0.9;
  }
}

.cat-walking {
  animation: cat-walk-cycle 0.8s steps(6) infinite;
}

@keyframes cat-walk-cycle {
  0% { background-image: url('../assets/cat/sprites/cat-walk-right.svg'); }
  16.66% { background-image: url('../assets/cat/sprites/cat-walk-right.svg'); }
  33.33% { background-image: url('../assets/cat/sprites/cat-walk-right.svg'); }
  50% { background-image: url('../assets/cat/sprites/cat-walk-right.svg'); }
  66.66% { background-image: url('../assets/cat/sprites/cat-walk-right.svg'); }
  83.33% { background-image: url('../assets/cat/sprites/cat-walk-right.svg'); }
  100% { background-image: url('../assets/cat/sprites/cat-walk-right.svg'); }
}

.cat-eating {
  animation: cat-eating-cycle 3s ease-in-out;
}

@keyframes cat-eating-cycle {
  0%, 100% { 
    background-image: url('../assets/cat/sprites/cat-idle.svg');
    transform: scale(1);
  }
  25%, 75% { 
    background-image: url('../assets/cat/sprites/cat-eating.svg');
    transform: scale(1.1);
  }
  50% { 
    background-image: url('../assets/cat/sprites/cat-eating.svg');
    transform: scale(1.15);
  }
}

.cat-happy {
  animation: cat-happy-bounce 2s ease-in-out;
}

@keyframes cat-happy-bounce {
  0%, 100% { 
    background-image: url('../assets/cat/sprites/cat-idle.svg');
    transform: scale(1) rotate(0deg); 
  }
  25% { 
    background-image: url('../assets/cat/sprites/cat-happy.svg');
    transform: scale(1.2) rotate(-10deg); 
  }
  50% { 
    background-image: url('../assets/cat/sprites/cat-happy.svg');
    transform: scale(1.3) rotate(0deg); 
  }
  75% { 
    background-image: url('../assets/cat/sprites/cat-happy.svg');
    transform: scale(1.2) rotate(10deg); 
  }
}

/* ANCHOR: widget_interactions */
/* UPDATED COMMENTS: Smooth interaction animations with hardware acceleration */
.widget-enter {
  animation: widget-enter 0.5s var(--transition-bounce);
}

@keyframes widget-enter {
  0% {
    opacity: 0;
    transform: scale(0.3) rotate(-180deg);
  }
  50% {
    opacity: 0.8;
    transform: scale(1.1) rotate(-10deg);
  }
  100% {
    opacity: 1;
    transform: scale(1) rotate(0deg);
  }
}

/* ANCHOR: widget_entrance_animations */
/* UPDATED COMMENTS: Smooth widget entrance animations with real positioning */
@keyframes widgetEnter {
  0% {
    opacity: 0;
    transform: scale(0.8);
  }
  60% {
    opacity: 1;
    transform: scale(1.05);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

/* REUSED: Entrance animation state for widgets */
.widget--entering {
  animation: widgetEnter 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.widget-exit {
  animation: widget-exit 0.3s ease-in forwards;
}

@keyframes widget-exit {
  0% {
    opacity: 1;
    transform: scale(1) rotate(0deg);
  }
  100% {
    opacity: 0;
    transform: scale(0.3) rotate(180deg);
  }
}

/* ANCHOR: hover_effects */
.hover-lift {
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.hover-lift:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: var(--widget-shadow-hovered);
}

.hover-rotate {
  transition: transform var(--transition-normal);
}

.hover-rotate:hover {
  transform: rotate(5deg) scale(1.05);
}

.hover-glow {
  transition: box-shadow var(--transition-normal), filter var(--transition-normal);
}

.hover-glow:hover {
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.5);
  filter: brightness(1.1);
}

/* ANCHOR: loading_animations */
.pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.bounce {
  animation: bounce 1s infinite;
}

@keyframes bounce {
  0%, 100% {
    transform: translateY(-25%);
    animation-timing-function: cubic-bezier(0.8, 0, 1, 1);
  }
  50% {
    transform: translateY(0);
    animation-timing-function: cubic-bezier(0, 0, 0.2, 1);
  }
}

/* ANCHOR: modal_animations */
.modal-slide-up {
  animation: modal-slide-up 0.3s ease-out;
}

@keyframes modal-slide-up {
  0% {
    opacity: 0;
    transform: translateY(100px) scale(0.9);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.modal-fade-in {
  animation: modal-fade-in 0.2s ease-out;
}

@keyframes modal-fade-in {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

/* ANCHOR: page_load_animations */
/* UPDATED COMMENTS: Smooth fade-in animation for widgets and UI after loading */
/* REUSED: Universal fade-in with 200ms duration for seamless appearance */
@keyframes fadeIn {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

/* CRITICAL: NO animation on body - it conflicts with loading indicator */
/* Body stays visible, only content inside fades in after loading */

/* REUSED: Fade-in for widgets and UI elements after body.loaded class added */
body.loaded .widget,
body.loaded .navigation-header {
  animation: fadeIn 0.3s ease-in;
}

/* ANCHOR: performance_optimizations */
/* UPDATED COMMENTS: Hardware acceleration for smooth 60fps animations */
.gpu-accelerated {
  transform: translateZ(0);
  will-change: transform;
  backface-visibility: hidden;
  perspective: 1000px;
}

/* REUSED: Reduced motion support for accessibility */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}