/* ============================================================
   EAZYMART PREMIUM - Animations Library
   60fps GPU-accelerated animations
   Page transitions | Loading effects | Micro-interactions
============================================================ */

/* ==================== PERFORMANCE OPTIMIZATION ==================== */
/* Force GPU acceleration for animated elements */
.animate {
  will-change: transform, opacity;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  perspective: 1000px;
  -webkit-perspective: 1000px;
}

/* Remove will-change after animation completes */
.animate-complete {
  will-change: auto;
}

/* ==================== 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(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Fade animation classes */
.fade-in {
  animation: fadeIn var(--duration-base) var(--ease-out);
}

.fade-out {
  animation: fadeOut var(--duration-base) var(--ease-out);
}

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

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

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

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

/* ==================== 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%);
  }
}

/* Slide animation classes */
.slide-in-up {
  animation: slideInUp var(--duration-base) var(--ease-spring);
}

.slide-in-down {
  animation: slideInDown var(--duration-base) var(--ease-spring);
}

.slide-in-left {
  animation: slideInLeft var(--duration-base) var(--ease-spring);
}

.slide-in-right {
  animation: slideInRight var(--duration-base) var(--ease-spring);
}

.slide-out-up {
  animation: slideOutUp var(--duration-base) var(--ease-spring);
}

.slide-out-down {
  animation: slideOutDown var(--duration-base) var(--ease-spring);
}

/* ==================== 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 scalePop {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
  }
}

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

/* Scale animation classes */
.scale-in {
  animation: scaleIn var(--duration-base) var(--ease-spring);
}

.scale-out {
  animation: scaleOut var(--duration-base) var(--ease-spring);
}

.scale-pop {
  animation: scalePop var(--duration-fast) var(--ease-spring);
}

.pulse {
  animation: pulse 2s var(--ease-out) infinite;
}

/* ==================== BOUNCE ANIMATIONS ==================== */
@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);
  }
}

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

.bounce-in {
  animation: bounceIn 0.5s var(--ease-spring);
}

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

/* ==================== ROTATE 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);
  }
}

.rotate {
  animation: rotate 1s linear infinite;
}

.rotate-in {
  animation: rotateIn var(--duration-base) var(--ease-out);
}

/* ==================== SHAKE ANIMATION ==================== */
@keyframes shake {
  0%, 100% {
    transform: translateX(0);
  }
  10%, 30%, 50%, 70%, 90% {
    transform: translateX(-5px);
  }
  20%, 40%, 60%, 80% {
    transform: translateX(5px);
  }
}

.shake {
  animation: shake 0.5s var(--ease-out);
}

/* ==================== SHIMMER LOADING EFFECT ==================== */
@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

.shimmer {
  background: linear-gradient(
    90deg,
    var(--bg-tertiary) 0%,
    var(--bg-soft) 20%,
    var(--bg-tertiary) 40%,
    var(--bg-tertiary) 100%
  );
  background-size: 1000px 100%;
  animation: shimmer 1.5s linear infinite;
}

/* Skeleton loader variants */
.skeleton-text {
  height: 14px;
  border-radius: var(--radius-sm);
}

.skeleton-title {
  height: 20px;
  width: 60%;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-2);
}

.skeleton-paragraph {
  height: 12px;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-1);
}

.skeleton-avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
}

.skeleton-card {
  height: 200px;
  border-radius: var(--radius-lg);
}

/* ==================== PROGRESS BAR ANIMATION ==================== */
@keyframes progress {
  from {
    transform: scaleX(0);
  }
  to {
    transform: scaleX(1);
  }
}

.progress-bar {
  height: 4px;
  background-color: var(--brand-gold);
  transform-origin: left;
  animation: progress 1s var(--ease-out);
}

/* ==================== RIPPLE EFFECT (Button Click) ==================== */
@keyframes ripple {
  0% {
    transform: scale(0);
    opacity: 0.5;
  }
  100% {
    transform: scale(4);
    opacity: 0;
  }
}

.ripple-effect {
  position: relative;
  overflow: hidden;
}

.ripple-effect::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  background-color: rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(0);
  pointer-events: none;
}

.ripple-effect:active::after {
  animation: ripple 0.6s ease-out;
}

/* ==================== NOTIFICATION SLIDE-IN ==================== */
@keyframes notificationIn {
  from {
    transform: translateX(400px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes notificationOut {
  from {
    transform: translateX(0);
    opacity: 1;
  }
  to {
    transform: translateX(400px);
    opacity: 0;
  }
}

.notification-in {
  animation: notificationIn var(--duration-base) var(--ease-spring);
}

.notification-out {
  animation: notificationOut var(--duration-base) var(--ease-spring);
}

/* ==================== STAGGER ANIMATION (List Items) ==================== */
.stagger-item {
  animation: fadeInUp var(--duration-base) var(--ease-out);
  animation-fill-mode: both;
}

.stagger-item:nth-child(1) { animation-delay: 0.05s; }
.stagger-item:nth-child(2) { animation-delay: 0.1s; }
.stagger-item:nth-child(3) { animation-delay: 0.15s; }
.stagger-item:nth-child(4) { animation-delay: 0.2s; }
.stagger-item:nth-child(5) { animation-delay: 0.25s; }
.stagger-item:nth-child(6) { animation-delay: 0.3s; }
.stagger-item:nth-child(7) { animation-delay: 0.35s; }
.stagger-item:nth-child(8) { animation-delay: 0.4s; }
.stagger-item:nth-child(9) { animation-delay: 0.45s; }
.stagger-item:nth-child(10) { animation-delay: 0.5s; }

/* ==================== LOADING SPINNER VARIATIONS ==================== */
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes spinPulse {
  0%, 100% {
    transform: rotate(0deg) scale(1);
  }
  50% {
    transform: rotate(180deg) scale(1.1);
  }
}

.spinner-border {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border-light);
  border-top-color: var(--brand-gold);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.spinner-pulse {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border-light);
  border-top-color: var(--brand-gold);
  border-radius: 50%;
  animation: spinPulse 1.2s ease-in-out infinite;
}

/* Dots loader */
@keyframes dotPulse {
  0%, 80%, 100% {
    transform: scale(0);
    opacity: 0.5;
  }
  40% {
    transform: scale(1);
    opacity: 1;
  }
}

.dots-loader {
  display: flex;
  gap: 8px;
  align-items: center;
  justify-content: center;
}

.dot {
  width: 10px;
  height: 10px;
  background-color: var(--brand-gold);
  border-radius: 50%;
  animation: dotPulse 1.4s ease-in-out infinite;
}

.dot:nth-child(1) { animation-delay: 0s; }
.dot:nth-child(2) { animation-delay: 0.2s; }
.dot:nth-child(3) { animation-delay: 0.4s; }

/* ==================== CART ITEM ADD ANIMATION ==================== */
@keyframes cartItemAdd {
  0% {
    opacity: 0;
    transform: translateY(10px) scale(0.95);
  }
  50% {
    opacity: 1;
    transform: translateY(-5px) scale(1.02);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.cart-item-add {
  animation: cartItemAdd 0.4s var(--ease-spring);
}

/* ==================== SUCCESS CHECKMARK ANIMATION ==================== */
@keyframes checkmark {
  0% {
    stroke-dashoffset: 100;
  }
  100% {
    stroke-dashoffset: 0;
  }
}

.checkmark-icon {
  stroke-dasharray: 100;
  stroke-dashoffset: 100;
  animation: checkmark 0.5s ease-out forwards;
}

/* ==================== FLOATING ANIMATION ==================== */
@keyframes floating {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
}

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

/* ==================== GLOW EFFECT ==================== */
@keyframes glow {
  0%, 100% {
    box-shadow: 0 0 5px var(--brand-gold), 0 0 10px var(--brand-gold);
  }
  50% {
    box-shadow: 0 0 10px var(--brand-gold), 0 0 20px var(--brand-gold), 0 0 30px var(--brand-gold);
  }
}

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

/* ==================== PAGE TRANSITION ==================== */
.page-transition-enter {
  opacity: 0;
  transform: translateY(20px);
}

.page-transition-enter-active {
  opacity: 1;
  transform: translateY(0);
  transition: all var(--duration-base) var(--ease-out);
}

.page-transition-exit {
  opacity: 1;
}

.page-transition-exit-active {
  opacity: 0;
  transition: opacity var(--duration-fast) var(--ease-out);
}

/* ==================== ACCORDION ANIMATION ==================== */
@keyframes accordionOpen {
  from {
    max-height: 0;
    opacity: 0;
  }
  to {
    max-height: 500px;
    opacity: 1;
  }
}

@keyframes accordionClose {
  from {
    max-height: 500px;
    opacity: 1;
  }
  to {
    max-height: 0;
    opacity: 0;
  }
}

.accordion-content-enter {
  animation: accordionOpen var(--duration-base) var(--ease-out);
}

.accordion-content-exit {
  animation: accordionClose var(--duration-base) var(--ease-out);
}

/* ==================== HOVER LIFT EFFECT ==================== */
.hover-lift {
  transition: transform var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast) var(--ease-out);
}

.hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* ==================== GRADIENT ANIMATION ==================== */
@keyframes gradientShift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

.gradient-animate {
  background: linear-gradient(
    45deg,
    var(--brand-blue),
    var(--brand-gold),
    var(--brand-blue-light)
  );
  background-size: 200% 200%;
  animation: gradientShift 3s ease infinite;
}

/* ==================== TYPING INDICATOR ==================== */
@keyframes typingDot {
  0%, 60%, 100% {
    transform: translateY(0);
  }
  30% {
    transform: translateY(-10px);
  }
}

.typing-indicator {
  display: flex;
  gap: 4px;
}

.typing-dot {
  width: 8px;
  height: 8px;
  background-color: var(--text-tertiary);
  border-radius: 50%;
  animation: typingDot 1.4s ease-in-out infinite;
}

.typing-dot:nth-child(1) { animation-delay: 0s; }
.typing-dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dot:nth-child(3) { animation-delay: 0.4s; }

/* ==================== REDUCE MOTION (Accessibility) ==================== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}