/**
 * Animation and Transition Utilities
 * Smooth animations, transitions, and micro-interactions
 */

/* ==================== FADE IN ANIMATIONS ==================== */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@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);
  }
}

/* ==================== SCALE ANIMATIONS ==================== */
@keyframes scaleUp {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

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

/* ==================== SLIDE ANIMATIONS ==================== */
@keyframes slideInUp {
  from {
    transform: translateY(100%);
  }
  to {
    transform: translateY(0);
  }
}

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

/* ==================== ROTATION ANIMATIONS ==================== */
@keyframes rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

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

.skeleton-loading {
  background: linear-gradient(
    90deg,
    #f0f0f0 25%,
    #e0e0e0 50%,
    #f0f0f0 75%
  );
  background-size: 1000px 100%;
  animation: shimmer 2s infinite;
}

/* ==================== UTILITY CLASSES ==================== */
.fade-in,
.fade-in-up,
.fade-in-down,
.fade-in-left,
.fade-in-right,
.scale-up {
  opacity: 1;
  animation: none;
  transform: none;
}

.pulse-animation {
  animation: none;
}

/* 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; }

/* ==================== SCROLL ANIMATIONS ==================== */
.animate-on-scroll,
.animate-on-scroll.animated {
  opacity: 1;
  transform: none;
  transition: none;
}

/* ==================== HOVER EFFECTS ==================== */
.hover-lift,
.hover-scale,
.hover-brightness {
  transition: none;
}

.hover-lift:hover,
.hover-scale:hover,
.hover-brightness:hover {
  transform: none;
  box-shadow: none;
  filter: none;
}

/* ==================== IMAGE EFFECTS ==================== */
.image-zoom-container {
  overflow: hidden;
  position: relative;
}

.image-zoom-container img {
  transition: none;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.image-zoom-container:hover img {
  transform: none;
}

/* Lazy load blur effect */
img.lazy-loading {
  filter: blur(10px);
  transition: filter 0.3s ease;
}

img.lazy-loaded {
  filter: blur(0);
}

/* ==================== BUTTON ANIMATIONS ==================== */
.btn {
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.btn::before {
  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 0.6s, height 0.6s;
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

.btn:active {
  transform: scale(0.95);
}

/* ==================== LOADING SPINNER ==================== */
.spinner {
  border: 3px solid rgba(255, 107, 53, 0.2);
  border-top-color: #FF6B35;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: rotate 1s linear infinite;
}

.spinner-sm {
  width: 20px;
  height: 20px;
  border-width: 2px;
}

.spinner-lg {
  width: 60px;
  height: 60px;
  border-width: 4px;
}

/* ==================== PROGRESS INDICATORS ==================== */
.progress-bar-animated {
  animation: progress-bar-stripes 1s linear infinite;
}

@keyframes progress-bar-stripes {
  0% {
    background-position: 40px 0;
  }
  100% {
    background-position: 0 0;
  }
}

/* ==================== NOTIFICATION SLIDE ==================== */
.notification-enter {
  animation: slideInDown 0.4s ease-out;
}

.notification-exit {
  animation: fadeInUp 0.4s ease-out reverse;
}

/* ==================== MODAL ANIMATIONS ==================== */
.modal.fade .modal-dialog {
  transform: scale(0.8);
  opacity: 0;
  transition: transform 0.3s ease-out, opacity 0.3s ease-out;
}

.modal.show .modal-dialog {
  transform: scale(1);
  opacity: 1;
}

/* ==================== 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, 0.5);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

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

/* ==================== TEXT ANIMATIONS ==================== */
.typing-effect {
  overflow: hidden;
  border-right: 2px solid #FF6B35;
  white-space: nowrap;
  animation: typing 3s steps(40) 1s forwards, blink-caret 0.75s step-end infinite;
}

@keyframes typing {
  from {
    width: 0;
  }
  to {
    width: 100%;
  }
}

@keyframes blink-caret {
  from, to {
    border-color: transparent;
  }
  50% {
    border-color: #FF6B35;
  }
}

/* ==================== SKELETON SCREENS ==================== */
.skeleton {
  background: linear-gradient(
    90deg,
    #f0f0f0 0%,
    #e0e0e0 20%,
    #f0f0f0 40%,
    #f0f0f0 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 4px;
}

.skeleton-text {
  height: 1rem;
  margin-bottom: 0.5rem;
}

.skeleton-title {
  height: 2rem;
  width: 60%;
  margin-bottom: 1rem;
}

.skeleton-image {
  height: 200px;
  width: 100%;
}

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

.page-transition-enter-active {
  opacity: 1;
  transform: translateX(0);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

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

.page-transition-exit-active {
  opacity: 0;
  transform: translateX(20px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

/* ==================== BADGE PULSE ==================== */
.badge-pulse {
  position: relative;
}

.badge-pulse::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  height: 100%;
  border-radius: inherit;
  background: inherit;
  animation: pulse-ring 2s cubic-bezier(0.215, 0.61, 0.355, 1) infinite;
}

@keyframes pulse-ring {
  0% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
  }
  100% {
    transform: translate(-50%, -50%) scale(1.5);
    opacity: 0;
  }
}

/* ==================== 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;
  }
  
  .animate-on-scroll {
    opacity: 1;
    transform: none;
  }
}

/* ==================== PERFORMANCE OPTIMIZATION ==================== */
.will-change-transform {
  will-change: transform;
}

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

/* Use GPU acceleration for smooth animations */
.gpu-accelerated {
  transform: translateZ(0);
  backface-visibility: hidden;
  perspective: 1000px;
}