/* Animation Definitions */

/* Fade in from bottom */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Fade in */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Slide in from left */
@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Slide in from right */
@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Pulse */
@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.8;
  }
}

/* Utility Classes for Animations */
.animate-fade-in-up {
  animation: fadeInUp var(--transition-slow) ease-out;
}

.animate-fade-in {
  animation: fadeIn 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;
}

/* Stagger delays for multiple elements */
.stagger-1 {
  animation-delay: 100ms;
}

.stagger-2 {
  animation-delay: 200ms;
}

.stagger-3 {
  animation-delay: 300ms;
}

.stagger-4 {
  animation-delay: 400ms;
}

/* Loading State */
.loading {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* Smooth transitions for theme switching */
.theme-transition {
  transition: background-color var(--transition-base),
              color var(--transition-base),
              border-color var(--transition-base),
              box-shadow var(--transition-base);
}

/* Reduced motion override */
@media (prefers-reduced-motion: reduce) {
  .animate-fade-in-up,
  .animate-fade-in,
  .animate-slide-in-left,
  .animate-slide-in-right,
  .loading {
    animation: none;
  }

  .stagger-1,
  .stagger-2,
  .stagger-3,
  .stagger-4 {
    animation-delay: 0ms;
  }

  .theme-transition {
    transition: none;
  }
}