/* ==========================================================================
   Animations & Transitions
   ========================================================================== */

/* 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);
  }
}

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

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

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

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

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

/* Animation Utility Classes */
.animate-fadeIn {
  animation: fadeIn var(--transition-base) var(--transition-timing);
}

.animate-fadeInUp {
  animation: fadeInUp var(--transition-base) var(--transition-timing);
}

.animate-fadeInDown {
  animation: fadeInDown var(--transition-base) var(--transition-timing);
}

.animate-slideInLeft {
  animation: slideInLeft var(--transition-base) var(--transition-timing);
}

.animate-slideInRight {
  animation: slideInRight var(--transition-base) var(--transition-timing);
}

.animate-scaleIn {
  animation: scaleIn var(--transition-base) var(--transition-timing);
}

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

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

/* Hover Effects */
.hover-lift {
  transition: transform var(--transition-base) var(--transition-timing),
              box-shadow var(--transition-base) var(--transition-timing);
}

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

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

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

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

.hover-opacity:hover {
  opacity: 0.8;
}

/* Transition Utilities */
.transition-all {
  transition: all var(--transition-base) var(--transition-timing);
}

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

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

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

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

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

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