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

/* Optimize font loading */
body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-display: swap;
}

@layer base {
  :root {
    --background: 0 0% 100%;
    --foreground: 0 0% 3.9%;
    --card: 0 0% 100%;
    --card-foreground: 0 0% 3.9%;
    --popover: 0 0% 100%;
    --popover-foreground: 0 0% 3.9%;
    --primary: 0 0% 9%;
    --primary-foreground: 0 0% 98%;
    --secondary: 0 0% 96.1%;
    --secondary-foreground: 0 0% 9%;
    --muted: 0 0% 96.1%;
    --muted-foreground: 0 0% 45.1%;
    --accent: 0 0% 96.1%;
    --accent-foreground: 0 0% 9%;
    --destructive: 0 84.2% 60.2%;
    --destructive-foreground: 0 0% 98%;
    --border: 0 0% 89.8%;
    --input: 0 0% 89.8%;
    --ring: 0 0% 3.9%;
    --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%;
    --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: 0 0% 3.9%;
    --foreground: 0 0% 98%;
    --card: 0 0% 3.9%;
    --card-foreground: 0 0% 98%;
    --popover: 0 0% 3.9%;
    --popover-foreground: 0 0% 98%;
    --primary: 0 0% 98%;
    --primary-foreground: 0 0% 9%;
    --secondary: 0 0% 14.9%;
    --secondary-foreground: 0 0% 98%;
    --muted: 0 0% 14.9%;
    --muted-foreground: 0 0% 63.9%;
    --accent: 0 0% 14.9%;
    --accent-foreground: 0 0% 98%;
    --destructive: 0 62.8% 30.6%;
    --destructive-foreground: 0 0% 98%;
    --border: 0 0% 14.9%;
    --input: 0 0% 14.9%;
    --ring: 0 0% 83.1%;
    --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%;
    --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;
  }
}

/* Optimized animations with hardware acceleration */
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.typing-effect::after {
  content: '|';
  display: inline-block;
  margin-left: 2px;
  animation: blink 1s infinite;
  will-change: opacity;
}

/* Hardware-accelerated fade in up animation */
@keyframes fade-in-up {
  from {
    opacity: 0;
    transform: translate3d(0, 30px, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

.animate-fade-in-up {
  animation: fade-in-up 0.6s ease-out;
  animation-fill-mode: both;
  will-change: transform, opacity;
}

/* Optimized fade in animation */
@keyframes fade-in {
  from {
    opacity: 0;
    transform: translate3d(0, 20px, 0) scale(0.8);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0) scale(1);
  }
}

.animate-fade-in {
  animation: fade-in 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  animation-fill-mode: both;
  will-change: transform, opacity;
}

/* Performance optimizations */
@layer utilities {
  /* GPU acceleration for smooth scrolling */
  .smooth-scroll {
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
  }
  
  /* Optimize rendering performance */
  .gpu-accelerated {
    transform: translateZ(0);
    will-change: transform;
  }
  
  /* Masonry/Waterfall layout optimizations */
  .masonry-container {
    column-fill: balance;
    orphans: 1;
    widows: 1;
    contain: layout style paint;
  }
  
  .masonry-item {
    break-inside: avoid;
    page-break-inside: avoid;
    display: inline-block;
    width: 100%;
    margin-bottom: 1.5rem;
    contain: layout style paint;
  }
  
  /* Optimize image loading */
  .optimized-image {
    content-visibility: auto;
    contain-intrinsic-size: 200px 150px;
  }
  
  /* Reduce layout shifts */
  .aspect-ratio-container {
    position: relative;
    width: 100%;
    height: 0;
  }
  
  .aspect-ratio-container::before {
    content: '';
    display: block;
    padding-bottom: var(--aspect-ratio, 56.25%);
  }
  
  .aspect-ratio-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
  }
}
