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

/* Definition of the design system. All colors, gradients, fonts, etc should be defined here. 
All colors MUST be HSL.
*/

@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: 320 65% 52%;
    --primary-foreground: 0 0% 100%;

    --secondary: 330 45% 95%;
    --secondary-foreground: 320 65% 35%;

    --muted: 330 25% 95%;
    --muted-foreground: 215.4 16.3% 46.9%;

    --accent: 280 65% 60%;
    --accent-foreground: 0 0% 100%;

    --destructive: 0 84.2% 60.2%;
    --destructive-foreground: 210 40% 98%;

    --border: 330 25% 90%;
    --input: 330 25% 90%;
    --ring: 320 65% 52%;

    /* Custom design tokens */
    --gradient-primary: linear-gradient(135deg, hsl(320 65% 52%), hsl(280 65% 60%));
    --gradient-secondary: linear-gradient(135deg, hsl(330 45% 95%), hsl(320 25% 98%));
    --gradient-hero: linear-gradient(135deg, hsl(320 65% 52%), hsl(280 65% 60%), hsl(260 70% 65%));
    
    --shadow-elegant: 0 10px 30px -10px hsl(320 65% 52% / 0.3);
    --shadow-card: 0 4px 20px -4px hsl(320 25% 52% / 0.1);
    
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);

    --radius: 0.5rem;

    --sidebar-background: 0 0% 98%;

    --sidebar-foreground: 240 5.3% 26.1%;

    --sidebar-primary: 240 5.9% 10%;

    --sidebar-primary-foreground: 0 0% 98%;

    --sidebar-accent: 240 4.8% 95.9%;

    --sidebar-accent-foreground: 240 5.9% 10%;

    --sidebar-border: 220 13% 91%;

    --sidebar-ring: 217.2 91.2% 59.8%;
  }

  .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: 210 40% 98%;
    --primary-foreground: 222.2 47.4% 11.2%;

    --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: 212.7 26.8% 83.9%;
    --sidebar-background: 240 5.9% 10%;
    --sidebar-foreground: 240 4.8% 95.9%;
    --sidebar-primary: 224.3 76.3% 48%;
    --sidebar-primary-foreground: 0 0% 100%;
    --sidebar-accent: 240 3.7% 15.9%;
    --sidebar-accent-foreground: 240 4.8% 95.9%;
    --sidebar-border: 240 3.7% 15.9%;
    --sidebar-ring: 217.2 91.2% 59.8%;
  }
}

@layer base {
  * {
    @apply border-border;
  }

  body {
    @apply bg-background text-foreground;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
  }

  /* Mobile performance optimizations */
  @media (max-width: 768px) {
    * {
      transform: translateZ(0);
      backface-visibility: hidden;
      perspective: 1000px;
    }
    
    img {
      image-rendering: -webkit-optimize-contrast;
      image-rendering: -moz-crisp-edges;
      image-rendering: crisp-edges;
    }
    
    /* Reduce motion for mobile battery */
    .animate-bounce {
      animation-duration: 2s;
    }
    
    /* Optimize text rendering */
    h1, h2, h3, h4, h5, h6 {
      text-rendering: optimizeSpeed;
    }
  }

  /* Touch-friendly interactions */
  button, a {
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    min-height: 44px; /* iOS accessibility minimum */
    min-width: 44px;
  }

  /* Smooth transitions for all interactive elements */
  button, .hover-scale, .animate-fade-in, .animate-scale-in {
    will-change: transform, opacity;
    transform: translateZ(0);
  }
  
  /* Performance optimizations */
  .gpu-accelerated {
    transform: translateZ(0);
    backface-visibility: hidden;
    perspective: 1000px;
  }
  
  /* Critical loading state */
  .loading-skeleton {
    background: linear-gradient(90deg, hsl(var(--muted)) 25%, hsl(var(--muted-foreground) / 0.1) 50%, hsl(var(--muted)) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
  }
  
  @keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
  }
}