/**
 * Animations - HentaiSD 2026
 * Version: 1.0.0
 * Description: Advanced animations and transitions
 * Author: Claude AI
 * Date: 2025-11-14
 */

/* ========================================
   FADE ANIMATIONS
   ======================================== */

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

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

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

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

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

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

/* ========================================
   SLIDE ANIMATIONS
   ======================================== */

@keyframes slideInUp {
  from {
    transform: translateY(100%);
  }
  to {
    transform: translateY(0);
  }
}

@keyframes slideInDown {
  from {
    transform: translateY(-100%);
  }
  to {
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    transform: translateX(-100%);
  }
  to {
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    transform: translateX(100%);
  }
  to {
    transform: translateX(0);
  }
}

@keyframes slideOutUp {
  from {
    transform: translateY(0);
  }
  to {
    transform: translateY(-100%);
  }
}

@keyframes slideOutDown {
  from {
    transform: translateY(0);
  }
  to {
    transform: translateY(100%);
  }
}

/* ========================================
   SCALE ANIMATIONS
   ======================================== */

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

@keyframes scaleOut {
  from {
    opacity: 1;
    transform: scale(1);
  }
  to {
    opacity: 0;
    transform: scale(0.9);
  }
}

@keyframes scaleUp {
  from {
    transform: scale(1);
  }
  to {
    transform: scale(1.05);
  }
}

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

/* ========================================
   ROTATION ANIMATIONS
   ======================================== */

@keyframes rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes rotateIn {
  from {
    opacity: 0;
    transform: rotate(-180deg);
  }
  to {
    opacity: 1;
    transform: rotate(0deg);
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ========================================
   BOUNCE ANIMATIONS
   ======================================== */

@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes bounceIn {
  0% {
    opacity: 0;
    transform: scale(0.3);
  }
  50% {
    opacity: 1;
    transform: scale(1.05);
  }
  70% {
    transform: scale(0.9);
  }
  100% {
    transform: scale(1);
  }
}

/* ========================================
   SHAKE ANIMATIONS
   ======================================== */

@keyframes shake {
  0%, 100% {
    transform: translateX(0);
  }
  10%, 30%, 50%, 70%, 90% {
    transform: translateX(-10px);
  }
  20%, 40%, 60%, 80% {
    transform: translateX(10px);
  }
}

@keyframes shakeY {
  0%, 100% {
    transform: translateY(0);
  }
  10%, 30%, 50%, 70%, 90% {
    transform: translateY(-10px);
  }
  20%, 40%, 60%, 80% {
    transform: translateY(10px);
  }
}

/* ========================================
   FLIP ANIMATIONS
   ======================================== */

@keyframes flipInX {
  from {
    opacity: 0;
    transform: perspective(400px) rotateX(90deg);
  }
  to {
    opacity: 1;
    transform: perspective(400px) rotateX(0deg);
  }
}

@keyframes flipInY {
  from {
    opacity: 0;
    transform: perspective(400px) rotateY(90deg);
  }
  to {
    opacity: 1;
    transform: perspective(400px) rotateY(0deg);
  }
}

/* ========================================
   ZOOM ANIMATIONS
   ======================================== */

@keyframes zoomIn {
  from {
    opacity: 0;
    transform: scale(0.3);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes zoomOut {
  from {
    opacity: 1;
    transform: scale(1);
  }
  to {
    opacity: 0;
    transform: scale(0.3);
  }
}

/* ========================================
   SPECIAL EFFECTS
   ======================================== */

@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

@keyframes glow {
  0%, 100% {
    box-shadow: 0 0 5px var(--accent-primary);
  }
  50% {
    box-shadow: 0 0 20px var(--accent-primary), 0 0 30px var(--accent-secondary);
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes kenBurns {
  0% {
    transform: scale(1);
  }
  100% {
    transform: scale(1.1);
  }
}

/* ========================================
   SKELETON LOADING
   ======================================== */

@keyframes skeletonPulse {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

.skeleton {
  background: linear-gradient(
    90deg,
    var(--bg-card) 25%,
    var(--bg-elevated) 50%,
    var(--bg-card) 75%
  );
  background-size: 200% 100%;
  animation: skeletonPulse 1.5s infinite;
}

/* ========================================
   HOVER ANIMATIONS
   ======================================== */

.hover-lift {
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.hover-lift:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.hover-grow {
  transition: transform var(--transition-base);
}

.hover-grow:hover {
  transform: scale(1.05);
}

.hover-shrink {
  transition: transform var(--transition-base);
}

.hover-shrink:hover {
  transform: scale(0.95);
}

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

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

.hover-glow {
  transition: box-shadow var(--transition-base);
}

.hover-glow:hover {
  box-shadow: 0 0 20px var(--accent-primary), 0 0 30px var(--accent-secondary);
}

/* ========================================
   ANIMATION CLASSES
   ======================================== */

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

.animate-fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

.animate-fade-in-down {
  animation: fadeInDown 0.6s ease-out;
}

.animate-fade-in-left {
  animation: fadeInLeft 0.6s ease-out;
}

.animate-fade-in-right {
  animation: fadeInRight 0.6s ease-out;
}

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

.animate-slide-in-down {
  animation: slideInDown 0.3s ease-out;
}

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

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

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

.animate-bounce-in {
  animation: bounceIn 0.6s ease-out;
}

.animate-rotate-in {
  animation: rotateIn 0.5s ease-out;
}

.animate-flip-in-x {
  animation: flipInX 0.6s ease-out;
}

.animate-flip-in-y {
  animation: flipInY 0.6s ease-out;
}

.animate-zoom-in {
  animation: zoomIn 0.3s ease-out;
}

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

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

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

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

.animate-float {
  animation: float 3s ease-in-out infinite;
}

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

.animate-ken-burns {
  animation: kenBurns 20s ease-in-out infinite alternate;
}

/* ========================================
   ANIMATION DELAYS
   ======================================== */

.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }
.delay-500 { animation-delay: 0.5s; }
.delay-600 { animation-delay: 0.6s; }
.delay-700 { animation-delay: 0.7s; }
.delay-800 { animation-delay: 0.8s; }
.delay-900 { animation-delay: 0.9s; }
.delay-1000 { animation-delay: 1s; }

/* ========================================
   ANIMATION DURATIONS
   ======================================== */

.duration-100 { animation-duration: 0.1s; }
.duration-200 { animation-duration: 0.2s; }
.duration-300 { animation-duration: 0.3s; }
.duration-500 { animation-duration: 0.5s; }
.duration-700 { animation-duration: 0.7s; }
.duration-1000 { animation-duration: 1s; }
.duration-1500 { animation-duration: 1.5s; }
.duration-2000 { animation-duration: 2s; }

/* ========================================
   TRANSITION UTILITIES
   ======================================== */

.transition-all {
  transition-property: all;
  transition-timing-function: ease;
  transition-duration: 0.3s;
}

.transition-colors {
  transition-property: color, background-color, border-color;
  transition-timing-function: ease;
  transition-duration: 0.3s;
}

.transition-opacity {
  transition-property: opacity;
  transition-timing-function: ease;
  transition-duration: 0.3s;
}

.transition-transform {
  transition-property: transform;
  transition-timing-function: ease;
  transition-duration: 0.3s;
}

/* ========================================
   STAGGER ANIMATIONS (for lists)
   ======================================== */

.stagger-fade-in > *:nth-child(1) { animation: fadeInUp 0.6s ease-out 0.1s both; }
.stagger-fade-in > *:nth-child(2) { animation: fadeInUp 0.6s ease-out 0.2s both; }
.stagger-fade-in > *:nth-child(3) { animation: fadeInUp 0.6s ease-out 0.3s both; }
.stagger-fade-in > *:nth-child(4) { animation: fadeInUp 0.6s ease-out 0.4s both; }
.stagger-fade-in > *:nth-child(5) { animation: fadeInUp 0.6s ease-out 0.5s both; }
.stagger-fade-in > *:nth-child(6) { animation: fadeInUp 0.6s ease-out 0.6s both; }
.stagger-fade-in > *:nth-child(7) { animation: fadeInUp 0.6s ease-out 0.7s both; }
.stagger-fade-in > *:nth-child(8) { animation: fadeInUp 0.6s ease-out 0.8s both; }

/* ========================================
   PAGE TRANSITIONS
   ======================================== */

.page-enter {
  animation: fadeInUp 0.6s ease-out;
}

.page-exit {
  animation: fadeOut 0.3s ease-out;
}

/* ========================================
   MODAL ANIMATIONS
   ======================================== */

@keyframes modal-pop {
  0% {
    transform: scale(0.92) translateY(40px);
    opacity: 0;
  }
  100% {
    transform: scale(1) translateY(0);
    opacity: 1;
  }
}

.animate-modal-pop {
  animation: modal-pop 0.35s cubic-bezier(.22, 1, .36, 1);
}

.modal-backdrop-enter {
  animation: fadeIn 0.3s ease-out;
}

.modal-backdrop-exit {
  animation: fadeOut 0.3s ease-out;
}

.modal-enter {
  animation: scaleIn 0.3s ease-out;
}

.modal-exit {
  animation: scaleOut 0.3s ease-out;
}

/* ========================================
   TOAST ANIMATIONS
   ======================================== */

.toast-enter {
  animation: slideInRight 0.3s ease-out;
}

.toast-exit {
  animation: fadeOut 0.3s ease-out;
}

/* ========================================
   ACCESSIBILITY - REDUCED MOTION
   ======================================== */

@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;
  }
}