/**
 * MSM-Group Premium Animation Library
 *
 * Reusable keyframe animations for premium UI interactions
 * Designed for performance (GPU-accelerated transforms)
 *
 * Categories:
 * - Fade animations
 * - Slide animations
 * - Scale animations
 * - Rotate animations
 * - Bounce animations
 * - Shimmer/Loading animations
 * - Ripple effects
 * - Attention grabbers
 */

/* ========================================
   FADE ANIMATIONS
   Smooth opacity transitions
   ======================================== */

@keyframes msm-fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes msm-fade-out {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
  }
}

@keyframes msm-fade-in-up {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes msm-fade-in-down {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes msm-fade-in-left {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes msm-fade-in-right {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ========================================
   SLIDE ANIMATIONS
   Smooth sliding transitions
   ======================================== */

@keyframes msm-slide-in-up {
  from {
    transform: translateY(100%);
  }
  to {
    transform: translateY(0);
  }
}

@keyframes msm-slide-in-down {
  from {
    transform: translateY(-100%);
  }
  to {
    transform: translateY(0);
  }
}

@keyframes msm-slide-in-left {
  from {
    transform: translateX(-100%);
  }
  to {
    transform: translateX(0);
  }
}

@keyframes msm-slide-in-right {
  from {
    transform: translateX(100%);
  }
  to {
    transform: translateX(0);
  }
}

@keyframes msm-slide-out-up {
  from {
    transform: translateY(0);
  }
  to {
    transform: translateY(-100%);
  }
}

@keyframes msm-slide-out-down {
  from {
    transform: translateY(0);
  }
  to {
    transform: translateY(100%);
  }
}

/* ========================================
   SCALE ANIMATIONS
   Grow and shrink effects
   ======================================== */

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

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

@keyframes msm-zoom-in {
  from {
    opacity: 0;
    transform: scale(0);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes msm-zoom-out {
  from {
    opacity: 1;
    transform: scale(1);
  }
  to {
    opacity: 0;
    transform: scale(0);
  }
}

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

@keyframes msm-heartbeat {
  0%, 100% {
    transform: scale(1);
  }
  10%, 30% {
    transform: scale(0.9);
  }
  20%, 40% {
    transform: scale(1.1);
  }
}

/* ========================================
   ROTATE ANIMATIONS
   Spinning and rotation effects
   ======================================== */

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

@keyframes msm-rotate-in {
  from {
    opacity: 0;
    transform: rotate(-180deg) scale(0.5);
  }
  to {
    opacity: 1;
    transform: rotate(0deg) scale(1);
  }
}

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

/* ========================================
   BOUNCE ANIMATIONS
   Playful bouncing effects
   ======================================== */

@keyframes msm-bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-20px);
  }
  60% {
    transform: translateY(-10px);
  }
}

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

@keyframes msm-bounce-in-down {
  0% {
    opacity: 0;
    transform: translateY(-100px);
  }
  60% {
    opacity: 1;
    transform: translateY(30px);
  }
  80% {
    transform: translateY(-10px);
  }
  100% {
    transform: translateY(0);
  }
}

/* ========================================
   SHAKE/WIGGLE ANIMATIONS
   Attention-grabbing movements
   ======================================== */

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

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

@keyframes msm-wiggle {
  0%, 100% {
    transform: rotate(0deg);
  }
  25% {
    transform: rotate(-5deg);
  }
  75% {
    transform: rotate(5deg);
  }
}

/* ========================================
   SHIMMER/LOADING ANIMATIONS
   Loading states and skeleton screens
   ======================================== */

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

@keyframes msm-shimmer-gradient {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

@keyframes msm-skeleton-pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.4;
  }
}

@keyframes msm-progress-bar {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

/* ========================================
   RIPPLE EFFECT
   Material Design inspired ripple
   ======================================== */

@keyframes msm-ripple {
  0% {
    transform: scale(0);
    opacity: 1;
  }
  100% {
    transform: scale(4);
    opacity: 0;
  }
}

@keyframes msm-ripple-out {
  0% {
    transform: scale(0);
    opacity: 0.6;
  }
  100% {
    transform: scale(1);
    opacity: 0;
  }
}

/* ========================================
   GLOW/SHINE ANIMATIONS
   Premium lighting effects
   ======================================== */

@keyframes msm-glow {
  0%, 100% {
    box-shadow: 0 0 5px var(--msm-color-primary-500);
  }
  50% {
    box-shadow: 0 0 20px var(--msm-color-primary-500),
                0 0 30px var(--msm-color-primary-400);
  }
}

@keyframes msm-shine {
  0% {
    left: -100%;
  }
  100% {
    left: 100%;
  }
}

@keyframes msm-gradient-shift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

/* ========================================
   FLOAT/HOVER ANIMATIONS
   Subtle floating effects
   ======================================== */

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

@keyframes msm-float-slow {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
}

@keyframes msm-sway {
  0%, 100% {
    transform: rotate(0deg);
  }
  25% {
    transform: rotate(2deg);
  }
  75% {
    transform: rotate(-2deg);
  }
}

/* ========================================
   FLIP ANIMATIONS
   Card flip effects
   ======================================== */

@keyframes msm-flip-horizontal {
  from {
    transform: rotateY(0deg);
  }
  to {
    transform: rotateY(180deg);
  }
}

@keyframes msm-flip-vertical {
  from {
    transform: rotateX(0deg);
  }
  to {
    transform: rotateX(180deg);
  }
}

/* ========================================
   ATTENTION SEEKERS
   Draw user attention
   ======================================== */

@keyframes msm-flash {
  0%, 50%, 100% {
    opacity: 1;
  }
  25%, 75% {
    opacity: 0;
  }
}

@keyframes msm-jello {
  0%, 100% {
    transform: skewX(0deg) skewY(0deg);
  }
  30% {
    transform: skewX(25deg) skewY(25deg);
  }
  40% {
    transform: skewX(-15deg) skewY(-15deg);
  }
  50% {
    transform: skewX(15deg) skewY(15deg);
  }
  65% {
    transform: skewX(-5deg) skewY(-5deg);
  }
  75% {
    transform: skewX(5deg) skewY(5deg);
  }
}

@keyframes msm-tada {
  0%, 100% {
    transform: scale(1) rotate(0deg);
  }
  10%, 20% {
    transform: scale(0.9) rotate(-3deg);
  }
  30%, 50%, 70%, 90% {
    transform: scale(1.1) rotate(3deg);
  }
  40%, 60%, 80% {
    transform: scale(1.1) rotate(-3deg);
  }
}

/* ========================================
   UTILITY CLASSES
   Ready-to-use animation classes
   ======================================== */

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

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

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

/* Scale Utilities */
.msm-animate-scale-in {
  animation: msm-scale-in var(--msm-duration-normal) var(--msm-ease-spring);
}

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

/* Bounce Utilities */
.msm-animate-bounce {
  animation: msm-bounce 1s var(--msm-ease-in-out) infinite;
}

.msm-animate-bounce-in {
  animation: msm-bounce-in var(--msm-duration-slow) var(--msm-ease-out);
}

/* Loading Utilities */
.msm-animate-spin {
  animation: msm-spin 1s linear infinite;
}

.msm-animate-shimmer {
  background: linear-gradient(
    90deg,
    var(--msm-shimmer-from) 0%,
    var(--msm-shimmer-via) 50%,
    var(--msm-shimmer-to) 100%
  );
  background-size: 200% 100%;
  animation: msm-shimmer-gradient 2s ease-in-out infinite;
}

/* Float Utilities */
.msm-animate-float {
  animation: msm-float 3s ease-in-out infinite;
}

/* Attention Utilities */
.msm-animate-shake {
  animation: msm-shake 0.5s var(--msm-ease-in-out);
}

.msm-animate-wiggle {
  animation: msm-wiggle 1s ease-in-out;
}

.msm-animate-tada {
  animation: msm-tada 1s var(--msm-ease-in-out);
}

/* ========================================
   ANIMATION MODIFIERS
   Control animation properties
   ======================================== */

/* Duration Modifiers */
.msm-animate-fast {
  animation-duration: var(--msm-duration-fast) !important;
}

.msm-animate-slow {
  animation-duration: var(--msm-duration-slow) !important;
}

.msm-animate-slower {
  animation-duration: var(--msm-duration-slower) !important;
}

/* Delay Modifiers */
.msm-animate-delay-100 {
  animation-delay: 100ms;
}

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

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

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

/* Iteration Modifiers */
.msm-animate-infinite {
  animation-iteration-count: infinite;
}

.msm-animate-once {
  animation-iteration-count: 1;
}

/* Fill Mode */
.msm-animate-fill-both {
  animation-fill-mode: both;
}

.msm-animate-fill-forwards {
  animation-fill-mode: forwards;
}

/* ========================================
   SCROLL-TRIGGERED ANIMATIONS
   Reveal on scroll (requires JS)
   ======================================== */

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

.msm-scroll-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.msm-scroll-reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity var(--msm-duration-slow) var(--msm-ease-out),
              transform var(--msm-duration-slow) var(--msm-ease-spring);
}

.msm-scroll-reveal-left.is-visible {
  opacity: 1;
  transform: translateX(0);
}

.msm-scroll-reveal-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity var(--msm-duration-slow) var(--msm-ease-out),
              transform var(--msm-duration-slow) var(--msm-ease-spring);
}

.msm-scroll-reveal-right.is-visible {
  opacity: 1;
  transform: translateX(0);
}

/* ========================================
   PERFORMANCE OPTIMIZATION
   GPU acceleration and will-change
   ======================================== */

.msm-animate-gpu {
  transform: translateZ(0);
  backface-visibility: hidden;
  perspective: 1000px;
}

/* Will-change hints (use sparingly) */
.msm-will-change-transform {
  will-change: transform;
}

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

/* ========================================
   REDUCED MOTION SUPPORT
   Respect user preferences
   ======================================== */

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

  .msm-scroll-reveal,
  .msm-scroll-reveal-left,
  .msm-scroll-reveal-right {
    opacity: 1;
    transform: none;
  }
}