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

@layer base {
:root {
    --background: 0 0% 100%;
    --foreground: 222.2 84% 4.9%;

    --card: 0 0% 100%;
    --card-foreground: 222.2 84% 4.9%;
 
    --popover: 0 0% 100%;
    --popover-foreground: 222.2 84% 4.9%;
 
    --primary: 221.2 83.2% 53.3%;
    --primary-foreground: 210 40% 98%;
 
    --secondary: 210 40% 96%;
    --secondary-foreground: 222.2 84% 4.9%;
 
    --muted: 210 40% 96%;
    --muted-foreground: 215.4 16.3% 46.9%;
 
    --accent: 210 40% 96%;
    --accent-foreground: 222.2 84% 4.9%;
 
    --destructive: 0 84.2% 60.2%;
    --destructive-foreground: 210 40% 98%;

    --border: 214.3 31.8% 91.4%;
    --input: 214.3 31.8% 91.4%;
    --ring: 221.2 83.2% 53.3%;
 
    --radius: 0.5rem;
 
    --chart-1: 12 76% 61%;
 
    --chart-2: 173 58% 39%;
 
    --chart-3: 197 37% 24%;
 
    --chart-4: 43 74% 66%;
 
    --chart-5: 27 87% 67%;
  }
 
  .dark {
    --background: 222.2 84% 4.9%;
    --foreground: 210 40% 98%;
 
    --card: 222.2 84% 4.9%;
    --card-foreground: 210 40% 98%;
 
    --popover: 222.2 84% 4.9%;
    --popover-foreground: 210 40% 98%;
 
    --primary: 217.2 91.2% 59.8%;
    --primary-foreground: 222.2 84% 4.9%;
 
    --secondary: 217.2 32.6% 17.5%;
    --secondary-foreground: 210 40% 98%;
 
    --muted: 217.2 32.6% 17.5%;
    --muted-foreground: 215 20.2% 65.1%;
 
    --accent: 217.2 32.6% 17.5%;
    --accent-foreground: 210 40% 98%;
 
    --destructive: 0 62.8% 30.6%;
    --destructive-foreground: 210 40% 98%;
 
    --border: 217.2 32.6% 17.5%;
    --input: 217.2 32.6% 17.5%;
    --ring: 224.3 76.3% 94.1%;
    --chart-1: 220 70% 50%;
    --chart-2: 160 60% 45%;
    --chart-3: 30 80% 55%;
    --chart-4: 280 65% 60%;
    --chart-5: 340 75% 55%;
  }
}

@layer base {
  * {
    @apply border-border;
  }
body {
    @apply bg-background text-foreground;
  }
}

/* Navigation optimization styles */
@layer utilities {
  /* Instant route transition feedback */
  .route-transitioning {
    cursor: wait;
  }
  
  .route-transitioning * {
    pointer-events: none;
  }
  
  /* Fast transitions for navigation elements */
  .nav-link {
    transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  }
  
  .nav-link:hover {
    transform: translateX(2px);
  }
  
  /* Optimized loading states */
  .loading-shimmer {
    background: linear-gradient(90deg, 
      rgba(255, 255, 255, 0) 0%, 
      rgba(255, 255, 255, 0.4) 50%, 
      rgba(255, 255, 255, 0) 100%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
  }
  
  @keyframes shimmer {
    0% {
      background-position: -200% 0;
    }
    100% {
      background-position: 200% 0;
    }
  }
  
  /* Fast card transitions */
  .card-optimized {
    transition: box-shadow 0.15s ease, transform 0.15s ease;
    will-change: transform, box-shadow;
  }
  
  .card-optimized:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  }
  
  /* Smooth skeleton loading */
  .skeleton-fast {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1s infinite;
  }
  
  @keyframes loading {
    0% {
      background-position: 200% 0;
    }
    100% {
      background-position: -200% 0;
    }
  }
  
  /* Performance optimizations */
  .will-change-transform {
    will-change: transform;
  }
  
  .will-change-opacity {
    will-change: opacity;
  }
  
  .gpu-accelerated {
    transform: translateZ(0);
    backface-visibility: hidden;
    perspective: 1000px;
  }
  
  /* Instant click feedback */
  .click-feedback {
    transition: transform 0.1s ease;
  }
  
  .click-feedback:active {
    transform: scale(0.98);
  }
}