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

body {
  font-family: Arial, Helvetica, sans-serif;
}

@layer utilities {
  .text-balance {
    text-wrap: balance;
  }
  
  /* Shimmer animation for loading indicators */
  @keyframes shimmer {
    0% {
      background-position: -200% 0;
    }
    100% {
      background-position: 200% 0;
    }
  }
  
  /* Accessibility improvements */
  .sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }
  
  /* Better focus states for keyboard navigation */
  .focus-visible:focus-visible {
    outline: 2px solid hsl(var(--ring));
    outline-offset: 2px;
  }
  
  /* Improved touch targets for mobile/Chromebook */
  .touch-target {
    min-height: 44px;
    min-width: 44px;
  }
  
  /* Better contrast for Chromebook displays */
  @media (prefers-contrast: high) {
    .border-input {
      border-color: hsl(var(--foreground));
    }
  }
  
  /* Chromebook and touch device optimizations */
  @media (pointer: coarse) {
    .touch-target {
      min-height: 48px;
      min-width: 48px;
    }
    
    /* Larger touch targets for interactive elements */
    button, input, textarea, [role="button"] {
      min-height: 44px;
    }
  }
  
  /* Better focus indicators for keyboard navigation */
  .focus-visible:focus-visible {
    outline: 2px solid hsl(var(--ring));
    outline-offset: 2px;
    box-shadow: 0 0 0 2px hsl(var(--ring) / 0.2);
  }
  
  /* Improved scrolling for touch devices */
  .overflow-y-auto {
    -webkit-overflow-scrolling: touch;
    scroll-behavior: smooth;
  }
  
  /* Enhanced contrast for better visibility */
  .text-muted-foreground {
    color: hsl(var(--muted-foreground) / 0.8);
  }
  
  /* Better button contrast */
  button:not(:disabled):hover {
    filter: brightness(1.05);
  }
  
  /* Improved focus visibility */
  input:focus, textarea:focus, button:focus {
    outline: 2px solid hsl(var(--ring));
    outline-offset: 2px;
  }
  
  /* Better message bubble contrast */
  .bg-primary {
    background-color: hsl(var(--primary) / 0.9);
  }
  
  /* Chromebook-specific optimizations */
  @media screen and (max-width: 1366px) and (min-resolution: 1.5dppx) {
    /* Chromebook display optimizations */
    .text-sm {
      font-size: 0.875rem;
      line-height: 1.25rem;
    }
    
    .text-base {
      font-size: 1rem;
      line-height: 1.5rem;
    }
    
    /* Better touch targets for Chromebooks */
    button, input, textarea, [role="button"], [role="tab"] {
      min-height: 48px;
      min-width: 48px;
    }
    
    /* Improved spacing for Chromebook screens */
    .space-y-2 > * + * {
      margin-top: 0.75rem;
    }
    
    .space-y-4 > * + * {
      margin-top: 1.25rem;
    }
  }
  
  /* Chromebook touch screen optimizations */
  @media (pointer: coarse) and (hover: none) {
    /* Larger touch targets */
    .touch-target {
      min-height: 52px;
      min-width: 52px;
    }
    
    /* Better spacing for touch interactions */
    .space-y-2 > * + * {
      margin-top: 1rem;
    }
    
    /* Improved button padding */
    button {
      padding: 0.75rem 1rem;
    }
    
    /* Better input field sizing */
    input, textarea {
      padding: 0.875rem;
      font-size: 1rem;
    }
    
    /* Enhanced focus states for touch */
    button:focus-visible, input:focus-visible, textarea:focus-visible {
      outline: 3px solid hsl(var(--ring));
      outline-offset: 2px;
    }
  }
  
  /* Chromebook keyboard navigation improvements */
  @media (hover: hover) and (pointer: fine) {
    /* Better hover states for mouse/trackpad */
    button:hover:not(:disabled) {
      transform: translateY(-1px);
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    }
    
    /* Improved focus indicators */
    button:focus-visible, input:focus-visible, textarea:focus-visible {
      outline: 2px solid hsl(var(--ring));
      outline-offset: 2px;
      box-shadow: 0 0 0 4px hsl(var(--ring) / 0.2);
    }
  }
  
  /* Chromebook display scaling fixes */
  @media screen and (min-resolution: 1.5dppx) {
    /* Prevent text from being too small on high-DPI displays */
    html {
      -webkit-text-size-adjust: 100%;
      text-size-adjust: 100%;
    }
    
    /* Better font rendering */
    body {
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }
  }
  
  /* Chromebook scrolling improvements */
  .overflow-y-auto {
    -webkit-overflow-scrolling: touch;
    scroll-behavior: smooth;
    /* Better momentum scrolling for Chromebooks */
    overscroll-behavior: contain;
  }
  
  /* Chromebook chat interface optimizations */
  .chat-message {
    /* Better message bubble sizing for touch */
    min-height: 44px;
    padding: 0.75rem;
  }
  
  /* Chromebook form optimizations */
  .form-input {
    /* Better input field sizing for Chromebooks */
    min-height: 48px;
    font-size: 1rem;
    padding: 0.75rem 1rem;
  }
  
  /* Chromebook button optimizations */
  .btn-chromebook {
    min-height: 48px;
    min-width: 48px;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    border-radius: 0.5rem;
  }
  
  /* Enhanced keyboard focus indicators for Chromebooks */
  .keyboard-focus {
    outline: 3px solid hsl(var(--ring));
    outline-offset: 2px;
    box-shadow: 0 0 0 4px hsl(var(--ring) / 0.3);
  }
  
  /* Better focus management for Chromebook keyboard navigation */
  button:focus-visible, 
  input:focus-visible, 
  textarea:focus-visible,
  [role="button"]:focus-visible,
  [role="tab"]:focus-visible {
    outline: 3px solid hsl(var(--ring));
    outline-offset: 2px;
    box-shadow: 0 0 0 4px hsl(var(--ring) / 0.3);
  }
  
  /* Chromebook-specific focus ring */
  @media (prefers-reduced-motion: no-preference) {
    .keyboard-focus {
      transition: outline 0.2s ease, box-shadow 0.2s ease;
    }
  }
  
  .bg-muted {
    background-color: hsl(var(--muted) / 0.8);
  }

  /* Christmas-themed animations */
  @keyframes twinkle {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.3; transform: scale(0.8); }
  }

  @keyframes snowflake {
    0% {
      transform: translateY(-100vh) rotate(0deg);
      opacity: 1;
    }
    100% {
      transform: translateY(100vh) rotate(360deg);
      opacity: 0;
    }
  }

  @keyframes sparkle {
    0%, 100% { 
      opacity: 0;
      transform: scale(0) rotate(0deg);
    }
    50% { 
      opacity: 1;
      transform: scale(1) rotate(180deg);
    }
  }

  @keyframes glow {
    0%, 100% {
      box-shadow: 0 0 5px hsl(var(--christmas-red)), 0 0 10px hsl(var(--christmas-red)), 0 0 15px hsl(var(--christmas-red));
    }
    50% {
      box-shadow: 0 0 10px hsl(var(--christmas-green)), 0 0 20px hsl(var(--christmas-green)), 0 0 30px hsl(var(--christmas-green));
    }
  }

  /* Christmas decorative elements */
  .christmas-twinkle {
    animation: twinkle 2s ease-in-out infinite;
  }

  .christmas-snowflake {
    position: absolute;
    color: white;
    font-size: 1rem;
    animation: snowflake 10s linear infinite;
    pointer-events: none;
  }

  .christmas-sparkle {
    animation: sparkle 1.5s ease-in-out infinite;
  }

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

  /* Subtle Christmas gradient backgrounds */
  .christmas-gradient {
    background: linear-gradient(135deg, 
      hsl(var(--christmas-red) / 0.1) 0%, 
      hsl(var(--christmas-green) / 0.1) 50%, 
      hsl(var(--christmas-gold) / 0.1) 100%);
  }

  /* Christmas-themed borders */
  .christmas-border {
    border: 2px solid;
    border-image: linear-gradient(45deg, 
      hsl(var(--christmas-red)), 
      hsl(var(--christmas-green)), 
      hsl(var(--christmas-gold))) 1;
  }

  /* Christmas-themed styles - only active in December */
  .christmas-theme {
    /* Subtle Christmas pattern overlay */
    --christmas-pattern: radial-gradient(circle at 20% 50%, hsl(var(--christmas-red) / 0.03) 0%, transparent 50%),
      radial-gradient(circle at 80% 80%, hsl(var(--christmas-green) / 0.03) 0%, transparent 50%),
      radial-gradient(circle at 40% 20%, hsl(var(--christmas-gold) / 0.03) 0%, transparent 50%);
  }

  .christmas-theme body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
      radial-gradient(circle at 20% 50%, hsl(var(--christmas-red) / 0.03) 0%, transparent 50%),
      radial-gradient(circle at 80% 80%, hsl(var(--christmas-green) / 0.03) 0%, transparent 50%),
      radial-gradient(circle at 40% 20%, hsl(var(--christmas-gold) / 0.03) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
  }

  /* Christmas-themed card hover effects */
  .christmas-theme .card:hover {
    border-color: hsl(var(--christmas-red) / 0.3);
    transition: border-color 0.3s ease;
  }

  /* Christmas-themed button hover effects */
  .christmas-theme button.bg-primary:hover {
    background: linear-gradient(135deg, 
      hsl(var(--christmas-red)), 
      hsl(var(--christmas-green)));
    transition: background 0.3s ease;
  }

  /* Christmas-themed link colors */
  .christmas-theme a:hover {
    color: hsl(var(--christmas-red));
    transition: color 0.2s ease;
  }

  /* Subtle Christmas border on focus */
  .christmas-theme *:focus-visible {
    outline-color: hsl(var(--christmas-red));
  }
}

@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;
    /* Christmas colors */
    --christmas-red: 0 84% 50%;
    --christmas-green: 142 76% 36%;
    --christmas-gold: 43 96% 56%;
  }
  .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%;
    /* Christmas colors */
    --christmas-red: 0 84% 50%;
    --christmas-green: 142 76% 36%;
    --christmas-gold: 43 96% 56%;
  }

  /* Apply Christmas colors only in December */
  html.christmas-theme.dark,
  html.christmas-theme .dark {
    --primary: 0 84% 50%;
    --primary-foreground: 0 0% 98%;
    --secondary: 142 76% 36%;
    --secondary-foreground: 0 0% 98%;
    --accent: 142 76% 36%;
    --accent-foreground: 0 0% 98%;
    --border: 142 76% 20%;
    --ring: 0 84% 50%;
    --chart-1: 0 84% 50%;
    --chart-2: 142 76% 36%;
    --chart-3: 43 96% 56%;
    --chart-4: 0 84% 50%;
    --chart-5: 142 76% 36%;
  }
}

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