/* ==========================================================================
   Micro-animations and Transitions - TestGenAI Modern UX
   ========================================================================== */

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.96) translateY(6px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

@keyframes pulseGlow {
  0%, 100% {
    box-shadow: 0 0 15px rgba(99, 102, 241, 0.2);
    border-color: rgba(99, 102, 241, 0.3);
  }
  50% {
    box-shadow: 0 0 30px rgba(99, 102, 241, 0.55);
    border-color: rgba(99, 102, 241, 0.8);
  }
}

@keyframes cyanPulseGlow {
  0%, 100% {
    box-shadow: 0 0 15px rgba(6, 182, 212, 0.2);
    border-color: rgba(6, 182, 212, 0.3);
  }
  50% {
    box-shadow: 0 0 30px rgba(6, 182, 212, 0.55);
    border-color: rgba(6, 182, 212, 0.8);
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

/* Utilities for animations */
.animate-fade-in {
  animation: fadeIn 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-fade-scale {
  animation: fadeInScale 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

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

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

.spinner {
  width: 20px;
  height: 20px;
  border: 2.5px solid rgba(255, 255, 255, 0.2);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  display: inline-block;
  vertical-align: middle;
}

.spinner-cyan {
  border-top-color: var(--cyan);
}

.skeleton {
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.04) 25%, rgba(255, 255, 255, 0.09) 50%, rgba(255, 255, 255, 0.04) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.6s infinite;
  border-radius: var(--radius-sm);
}