frontend/src/index.css

@tailwind base;
@tailwind components;
@tailwind utilities;

@layer base {
  html {
    scroll-behavior: smooth;
  }
  
  body {
    @apply bg-dark-50 text-dark-800 font-sans antialiased;
  }
}

@layer components {
  .btn {
    @apply inline-flex items-center justify-center px-6 py-3 rounded-lg font-semibold transition-all duration-200 focus:outline-none focus:ring-2 focus:ring-offset-2;
  }
  
  .btn-primary {
    @apply bg-gradient-to-r from-primary-500 to-primary-600 text-white hover:from-primary-600 hover:to-primary-700 focus:ring-primary-500 shadow-lg shadow-primary-500/25 hover:shadow-xl hover:shadow-primary-500/30;
  }
  
  .btn-secondary {
    @apply bg-dark-800 text-white hover:bg-dark-700 focus:ring-dark-500;
  }
  
  .btn-accent {
    @apply bg-gradient-to-r from-accent-500 to-accent-600 text-white hover:from-accent-600 hover:to-accent-700 focus:ring-accent-500 shadow-lg shadow-accent-500/25;
  }
  
  .btn-outline {
    @apply border-2 border-primary-500 text-primary-600 hover:bg-primary-50 focus:ring-primary-500;
  }
  
  .card {
    @apply bg-white rounded-xl shadow-lg border border-dark-100 p-6;
  }
  
  .card-hover {
    @apply card hover:shadow-xl hover:border-primary-200 transition-all duration-300 hover:-translate-y-1;
  }
  
  .stat-card {
    @apply bg-white rounded-xl p-6 border border-dark-100 shadow-md;
  }
  
  .gradient-text {
    @apply bg-gradient-to-r from-primary-500 to-accent-500 bg-clip-text text-transparent;
  }
  
  .section-padding {
    @apply py-16 md:py-24 px-4 md:px-8;
  }
  
  .input {
    @apply w-full px-4 py-3 rounded-lg border border-dark-200 focus:border-primary-500 focus:ring-2 focus:ring-primary-500/20 outline-none transition-all duration-200;
  }
  
  .label {
    @apply block text-sm font-medium text-dark-600 mb-2;
  }

  .page-transition {
    @apply animate-page-in;
  }

  .hover-lift {
    @apply transition-transform duration-200 hover:-translate-y-0.5;
  }

  .glow-ring {
    @apply shadow-[0_0_0_0_rgba(14,165,233,0.0)] transition-shadow duration-300 hover:shadow-[0_0_0_6px_rgba(14,165,233,0.12)];
  }

  .stagger-1 { animation-delay: 60ms; }
  .stagger-2 { animation-delay: 120ms; }
  .stagger-3 { animation-delay: 180ms; }
  .stagger-4 { animation-delay: 240ms; }
  .stagger-5 { animation-delay: 300ms; }
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  @apply bg-dark-100;
}

::-webkit-scrollbar-thumb {
  @apply bg-dark-300 rounded-full hover:bg-dark-400;
}

/* React Flow customizations */
.react-flow__node {
  @apply shadow-lg;
}

.react-flow__edge-path {
  stroke-width: 2;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pageIn {
  from { opacity: 0; transform: translateY(16px) scale(0.99); filter: blur(4px); }
  to { opacity: 1; transform: translateY(0) scale(1); filter: blur(0); }
}

@keyframes floatSlow {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

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

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 5px rgba(14, 165, 233, 0.5); }
  50% { box-shadow: 0 0 20px rgba(14, 165, 233, 0.8); }
}

.animate-fade-in {
  animation: fadeIn 0.5s ease-out forwards;
}

.animate-page-in {
  animation: pageIn 520ms cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

.animate-float-slow {
  animation: floatSlow 6s ease-in-out infinite;
}

.animate-shimmer {
  background-size: 200% 200%;
  animation: shimmer 5s ease-in-out infinite;
}

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

@media (prefers-reduced-motion: reduce) {
  .animate-fade-in,
  .animate-page-in,
  .animate-float-slow,
  .animate-shimmer,
  .animate-pulse-glow {
    animation: none !important;
  }
}