/**
 * Animations and Transitions for Buvette PWA
 * Smooth, performant animations for exceptional UX
 */

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

/* 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);
  }
}

/* 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 scaleDown {
  from { transform: scale(1.05); }
  to { transform: scale(1); }
}

/* Slide animations */
@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(100%);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInDown {
  from {
    opacity: 0;
    transform: translateY(-100%);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideOutUp {
  from {
    opacity: 1;
    transform: translateY(0);
  }
  to {
    opacity: 0;
    transform: translateY(-100%);
  }
}

@keyframes slideOutDown {
  from {
    opacity: 1;
    transform: translateY(0);
  }
  to {
    opacity: 0;
    transform: translateY(100%);
  }
}

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

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

@keyframes wiggle {
  0%, 100% { transform: rotate(0deg); }
  25% { transform: rotate(-3deg); }
  75% { transform: rotate(3deg); }
}

/* Bounce animations */
@keyframes bounce {
  0%, 20%, 53%, 80%, 100% {
    animation-timing-function: cubic-bezier(0.215, 0.610, 0.355, 1.000);
    transform: translate3d(0, 0, 0);
  }
  40%, 43% {
    animation-timing-function: cubic-bezier(0.755, 0.050, 0.855, 0.060);
    transform: translate3d(0, -8px, 0);
  }
  70% {
    animation-timing-function: cubic-bezier(0.755, 0.050, 0.855, 0.060);
    transform: translate3d(0, -4px, 0);
  }
  90% {
    transform: translate3d(0, -2px, 0);
  }
}

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

/* Pulse animations */
@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

@keyframes pulseGlow {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
    box-shadow: 0 0 0 0 var(--primary-500);
  }
  50% {
    opacity: 0.8;
    transform: scale(1.02);
    box-shadow: 0 0 0 6px transparent;
  }
}

/* Shake animations */
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateX(-2px); }
  20%, 40%, 60%, 80% { transform: translateX(2px); }
}

@keyframes shakeY {
  0%, 100% { transform: translateY(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateY(-2px); }
  20%, 40%, 60%, 80% { transform: translateY(2px); }
}

/* Progress animations */
@keyframes progressBarStripes {
  0% { background-position: 0 0; }
  100% { background-position: 40px 0; }
}

@keyframes loadingDots {
  0%, 80%, 100% { transform: scale(0.8); opacity: 0.5; }
  40% { transform: scale(1); opacity: 1; }
}

/* Glow animation */
@keyframes glow {
  0%, 100% { box-shadow: 0 0 5px var(--primary-300); }
  50% { box-shadow: 0 0 20px var(--primary-400), 0 0 30px var(--primary-300); }
}

/* Typing animation */
@keyframes typing {
  0% { width: 0; }
  100% { width: 100%; }
}

@keyframes blink {
  0%, 50% { border-color: transparent; }
  51%, 100% { border-color: currentColor; }
}

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

/* Fade animations */
.animate-fade-in {
  animation: fadeIn var(--transition-base) ease-out;
}

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

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

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

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

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

/* Scale animations */
.animate-scale-in {
  animation: scaleIn var(--transition-base) ease-out;
}

.animate-scale-out {
  animation: scaleOut var(--transition-base) ease-out;
}

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

/* Slide animations */
.animate-slide-in-up {
  animation: slideInUp var(--transition-slow) ease-out;
}

.animate-slide-in-down {
  animation: slideInDown var(--transition-slow) ease-out;
}

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

.animate-slide-in-right {
  animation: slideInRight var(--transition-slow) ease-out;
}

.animate-slide-out-up {
  animation: slideOutUp var(--transition-slow) ease-in;
}

.animate-slide-out-down {
  animation: slideOutDown var(--transition-slow) ease-in;
}

/* Continuous animations */
.animate-spin {
  animation: spin 1s linear infinite;
}

.animate-spin-slow {
  animation: spin 3s linear infinite;
}

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

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

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

.animate-wiggle {
  animation: wiggle 0.8s ease-in-out;
}

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

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

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

/* ========== HOVER ANIMATIONS ========== */
.hover-scale {
  transition: transform var(--transition-fast);
}

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

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

.hover-scale-lg:hover {
  transform: scale(1.1);
}

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

.hover-lift:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

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

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

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

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

.hover-glow:hover {
  box-shadow: 0 0 20px var(--primary-300);
}

/* ========== LOADING ANIMATIONS ========== */
.loading-spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--gray-200);
  border-top: 2px solid var(--primary-500);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

.loading-spinner-sm {
  width: 16px;
  height: 16px;
  border-width: 1.5px;
}

.loading-dots {
  display: inline-flex;
  gap: var(--spacing-1);
}

.loading-dots span {
  width: 6px;
  height: 6px;
  background-color: var(--primary-500);
  border-radius: 50%;
  animation: loadingDots 1.4s ease-in-out infinite both;
}

.loading-dots span:nth-child(2) {
  animation-delay: 0.16s;
}

.loading-dots span:nth-child(3) {
  animation-delay: 0.32s;
}

.loading-progress {
  width: 100%;
  height: 3px;
  background-color: var(--gray-200);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

.loading-progress::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background-color: var(--primary-500);
  border-radius: var(--radius-full);
  animation: loadingProgress 2s ease-in-out infinite;
}

@keyframes loadingProgress {
  0% { left: -100%; }
  50% { left: 0; }
  100% { left: 100%; }
}

/* ========== TRANSITION UTILITIES ========== */
.transition-none {
  transition: none !important;
}

.transition-all {
  transition: all var(--transition-base);
}

.transition-colors {
  transition: color var(--transition-base), background-color var(--transition-base), border-color var(--transition-base);
}

.transition-opacity {
  transition: opacity var(--transition-base);
}

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

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

.transition-fast {
  transition-duration: var(--transition-fast);
}

.transition-slow {
  transition-duration: var(--transition-slow);
}

/* Easing utilities */
.ease-linear { transition-timing-function: linear; }
.ease-in { transition-timing-function: cubic-bezier(0.4, 0, 1, 1); }
.ease-out { transition-timing-function: cubic-bezier(0, 0, 0.2, 1); }
.ease-in-out { transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); }

/* ========== ANIMATION CONTROLS ========== */
.animation-paused {
  animation-play-state: paused !important;
}

.animation-running {
  animation-play-state: running !important;
}

.animate-delay-100 {
  animation-delay: 100ms;
}

.animate-delay-200 {
  animation-delay: 200ms;
}

.animate-delay-300 {
  animation-delay: 300ms;
}

.animate-delay-500 {
  animation-delay: 500ms;
}

.animate-duration-75 {
  animation-duration: 75ms;
}

.animate-duration-100 {
  animation-duration: 100ms;
}

.animate-duration-150 {
  animation-duration: 150ms;
}

.animate-duration-200 {
  animation-duration: 200ms;
}

.animate-duration-300 {
  animation-duration: 300ms;
}

.animate-duration-500 {
  animation-duration: 500ms;
}

.animate-duration-700 {
  animation-duration: 700ms;
}

.animate-duration-1000 {
  animation-duration: 1000ms;
}

/* ========== PERFORMANCE OPTIMIZATIONS ========== */
.gpu-accelerated {
  transform: translateZ(0);
  will-change: transform, opacity;
}

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

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

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

/* Smooth scrolling */
.smooth-scroll {
  scroll-behavior: smooth;
}

/* ========== REDUCED MOTION SUPPORT ========== */
@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;
  }

  .animate-spin,
  .animate-pulse,
  .animate-bounce {
    animation: none !important;
  }

  .loading-spinner {
    animation: none !important;
    border: 2px solid var(--primary-500);
  }

  .loading-dots span {
    animation: none !important;
  }
}

/* ========== STAGGER ANIMATIONS ========== */
.stagger-children > * {
  animation: fadeInUp var(--transition-base) ease-out both;
}

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

/* ========== PAGE TRANSITIONS ========== */
.page-enter {
  opacity: 0;
  transform: translateX(20px);
}

.page-enter-active {
  opacity: 1;
  transform: translateX(0);
  transition: opacity var(--transition-base), transform var(--transition-base);
}

.page-exit {
  opacity: 1;
  transform: translateX(0);
}

.page-exit-active {
  opacity: 0;
  transform: translateX(-20px);
  transition: opacity var(--transition-base), transform var(--transition-base);
}

/* Touch feedback */
.touch-feedback {
  position: relative;
  overflow: hidden;
}

.touch-feedback::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.3s, height 0.3s;
  pointer-events: none;
}

.touch-feedback:active::after {
  width: 200px;
  height: 200px;
}