/**
 * Animations & Micro-interactions - Cursor-Inspired
 * Smooth, fast animations with 200ms duration
 * Version: 1.0.0
 */

/* ============================================
   KEYFRAME ANIMATIONS
   ============================================ */

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

/* Fade In Up */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Fade In Down */
@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

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

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

/* Slide In Right */
@keyframes slideInRight {
  from {
    transform: translateX(100%);
  }
  to {
    transform: translateX(0);
  }
}

/* Slide In Left */
@keyframes slideInLeft {
  from {
    transform: translateX(-100%);
  }
  to {
    transform: translateX(0);
  }
}

/* Slide Out Right */
@keyframes slideOutRight {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(100%);
  }
}

/* Slide Out Left */
@keyframes slideOutLeft {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-100%);
  }
}

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

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

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

/* Shake */
@keyframes shake {
  0%, 100% {
    transform: translateX(0);
  }
  10%, 30%, 50%, 70%, 90% {
    transform: translateX(-4px);
  }
  20%, 40%, 60%, 80% {
    transform: translateX(4px);
  }
}

/* Glow */
@keyframes glow {
  0%, 100% {
    box-shadow: 0 0 10px var(--accent-purple-glow);
  }
  50% {
    box-shadow: 0 0 20px var(--accent-purple-glow);
  }
}

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

/* Progress Indeterminate */
@keyframes progressIndeterminate {
  0% {
    left: -35%;
    right: 100%;
  }
  60% {
    left: 100%;
    right: -90%;
  }
  100% {
    left: 100%;
    right: -90%;
  }
}

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

/* Fade Animations */
.animate-fade-in {
  animation: fadeIn var(--duration-normal) var(--ease-in-out);
}

.animate-fade-in-up {
  animation: fadeInUp var(--duration-normal) var(--ease-in-out);
}

.animate-fade-in-down {
  animation: fadeInDown var(--duration-normal) var(--ease-in-out);
}

.animate-fade-in-left {
  animation: fadeInLeft var(--duration-normal) var(--ease-in-out);
}

.animate-fade-in-right {
  animation: fadeInRight var(--duration-normal) var(--ease-in-out);
}

/* Scale Animation */
.animate-scale-in {
  animation: scaleIn var(--duration-normal) var(--ease-in-out);
}

/* Slide Animations */
.animate-slide-in-right {
  animation: slideInRight var(--duration-medium) var(--ease-in-out);
}

.animate-slide-in-left {
  animation: slideInLeft var(--duration-medium) var(--ease-in-out);
}

.animate-slide-out-right {
  animation: slideOutRight var(--duration-medium) var(--ease-in-out);
}

.animate-slide-out-left {
  animation: slideOutLeft var(--duration-medium) var(--ease-in-out);
}

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

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

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

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

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

.animate-shimmer {
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.05) 50%,
    transparent 100%
  );
  background-size: 200% 100%;
  animation: shimmer 2s linear infinite;
}

/* ============================================
   STAGGER ANIMATIONS
   ============================================ */

.stagger-fade-in > * {
  animation: fadeInUp var(--duration-normal) var(--ease-in-out) backwards;
}

.stagger-fade-in > *:nth-child(1) { animation-delay: 0ms; }
.stagger-fade-in > *:nth-child(2) { animation-delay: 50ms; }
.stagger-fade-in > *:nth-child(3) { animation-delay: 100ms; }
.stagger-fade-in > *:nth-child(4) { animation-delay: 150ms; }
.stagger-fade-in > *:nth-child(5) { animation-delay: 200ms; }
.stagger-fade-in > *:nth-child(6) { animation-delay: 250ms; }
.stagger-fade-in > *:nth-child(7) { animation-delay: 300ms; }
.stagger-fade-in > *:nth-child(8) { animation-delay: 350ms; }
.stagger-fade-in > *:nth-child(9) { animation-delay: 400ms; }
.stagger-fade-in > *:nth-child(10) { animation-delay: 450ms; }

/* ============================================
   HOVER EFFECTS - Cursor-style
   ============================================ */

.hover-lift {
  transition: transform var(--duration-normal) var(--ease-in-out);
}

.hover-lift:hover {
  transform: translateY(-2px);
}

.hover-scale {
  transition: transform var(--duration-normal) var(--ease-in-out);
}

.hover-scale:hover {
  transform: scale(1.02);
}

.hover-glow {
  transition: box-shadow var(--duration-normal) var(--ease-in-out);
}

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

.hover-brightness {
  transition: filter var(--duration-normal) var(--ease-in-out);
}

.hover-brightness:hover {
  filter: brightness(1.1);
}

/* ============================================
   ACTIVE/CLICK EFFECTS
   ============================================ */

.active-scale {
  transition: transform var(--duration-fast) var(--ease-in-out);
}

.active-scale:active {
  transform: scale(0.98);
}

/* Ripple Effect */
.ripple {
  position: relative;
  overflow: hidden;
}

.ripple::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width var(--duration-medium) var(--ease-out),
              height var(--duration-medium) var(--ease-out),
              opacity var(--duration-medium) var(--ease-out);
  pointer-events: none;
  opacity: 0;
}

.ripple:active::after {
  width: 200px;
  height: 200px;
  opacity: 1;
}

/* ============================================
   LOADING STATES
   ============================================ */

.loading {
  position: relative;
  pointer-events: none;
  opacity: 0.6;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid var(--accent-purple);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* Spinner */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--surface-tertiary);
  border-top-color: var(--accent-purple);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.spinner-sm {
  width: 16px;
  height: 16px;
  border-width: 2px;
}

.spinner-lg {
  width: 32px;
  height: 32px;
  border-width: 3px;
}

/* Dots Loader */
.dots-loader {
  display: inline-flex;
  gap: 6px;
}

.dots-loader span {
  width: 8px;
  height: 8px;
  background: var(--accent-purple);
  border-radius: 50%;
  animation: dotsLoader 1.4s ease-in-out infinite;
}

.dots-loader span:nth-child(1) {
  animation-delay: 0s;
}

.dots-loader span:nth-child(2) {
  animation-delay: 0.2s;
}

.dots-loader span:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes dotsLoader {
  0%, 80%, 100% {
    opacity: 0.3;
    transform: scale(0.8);
  }
  40% {
    opacity: 1;
    transform: scale(1);
  }
}

/* ============================================
   PROGRESS ANIMATIONS
   ============================================ */

.progress-indeterminate {
  position: relative;
  overflow: hidden;
}

.progress-indeterminate::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  background: var(--accent-purple-gradient);
  animation: progressIndeterminate 2s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

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

.page-transition-enter {
  animation: fadeInUp var(--duration-normal) var(--ease-in-out);
}

.page-transition-exit {
  animation: fadeOut var(--duration-fast) var(--ease-in-out);
}

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

/* ============================================
   SCROLL ANIMATIONS
   ============================================ */

.scroll-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--duration-medium) var(--ease-in-out),
              transform var(--duration-medium) var(--ease-in-out);
}

.scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   SKELETON ANIMATIONS
   ============================================ */

.skeleton-wave {
  position: relative;
  overflow: hidden;
  background: var(--surface-secondary);
}

.skeleton-wave::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--surface-tertiary) 50%,
    transparent 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s linear infinite;
}

/* ============================================
   NUMBER COUNTER ANIMATION
   ============================================ */

.counter {
  display: inline-block;
}

.counter.counting {
  animation: countPulse 0.3s ease-in-out;
}

@keyframes countPulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
}

/* ============================================
   NOTIFICATION ANIMATIONS
   ============================================ */

.notification-enter {
  animation: slideInRight var(--duration-medium) var(--ease-in-out);
}

.notification-exit {
  animation: slideOutRight var(--duration-medium) var(--ease-in-out);
}

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

.modal-backdrop-enter {
  animation: fadeIn var(--duration-normal) var(--ease-in-out);
}

.modal-backdrop-exit {
  animation: fadeOut var(--duration-normal) var(--ease-in-out);
}

.modal-enter {
  animation: scaleIn var(--duration-normal) var(--ease-in-out);
}

.modal-exit {
  animation: fadeOut var(--duration-fast) var(--ease-in-out);
}

/* ============================================
   DROPDOWN ANIMATIONS
   ============================================ */

.dropdown-enter {
  animation: fadeInDown var(--duration-fast) var(--ease-out);
}

.dropdown-exit {
  animation: fadeOut var(--duration-fast) var(--ease-in);
}

/* ============================================
   TOOLTIP ANIMATIONS
   ============================================ */

.tooltip-enter {
  animation: scaleIn var(--duration-fast) var(--ease-out);
}

.tooltip-exit {
  animation: fadeOut var(--duration-fast) var(--ease-in);
}

/* ============================================
   PARALLAX EFFECTS
   ============================================ */

.parallax {
  transition: transform var(--duration-slow) var(--ease-out);
}

.parallax[data-speed="slow"] {
  transition-duration: var(--duration-slower);
}

.parallax[data-speed="fast"] {
  transition-duration: var(--duration-normal);
}

/* ============================================
   SMOOTH SCROLL
   ============================================ */

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

/* ============================================
   INTERSECTION OBSERVER ANIMATIONS
   ============================================ */

[data-animate]:not(.animated) {
  opacity: 0;
}

[data-animate="fade"].animated {
  animation: fadeIn var(--duration-medium) var(--ease-in-out);
}

[data-animate="fade-up"].animated {
  animation: fadeInUp var(--duration-medium) var(--ease-in-out);
}

[data-animate="fade-down"].animated {
  animation: fadeInDown var(--duration-medium) var(--ease-in-out);
}

[data-animate="fade-left"].animated {
  animation: fadeInLeft var(--duration-medium) var(--ease-in-out);
}

[data-animate="fade-right"].animated {
  animation: fadeInRight var(--duration-medium) var(--ease-in-out);
}

[data-animate="scale"].animated {
  animation: scaleIn var(--duration-medium) var(--ease-in-out);
}

/* Animation Delays */
[data-delay="100"].animated {
  animation-delay: 100ms;
}

[data-delay="200"].animated {
  animation-delay: 200ms;
}

[data-delay="300"].animated {
  animation-delay: 300ms;
}

[data-delay="400"].animated {
  animation-delay: 400ms;
}

[data-delay="500"].animated {
  animation-delay: 500ms;
}

/* ============================================
   PERFORMANCE OPTIMIZATIONS
   ============================================ */

/* GPU Acceleration */
.will-change-transform {
  will-change: transform;
}

.will-change-opacity {
  will-change: opacity;
}

/* Disable animations for 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;
  }
}