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

    --secondary: 210 40% 96.1%;
    --secondary-foreground: 222.2 47.4% 11.2%;

    --muted: 210 40% 96.1%;
    --muted-foreground: 215.4 16.3% 46.9%;

    --accent: 210 40% 96.1%;
    --accent-foreground: 222.2 47.4% 11.2%;

    --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: 222.2 84% 4.9%;

    --radius: 0.5rem;
    
    /* Font size variables */
    --font-size-xs: 0.8125rem;    /* 13px */
    --font-size-sm: 0.9375rem;    /* 15px */
    --font-size-base: 1.0625rem;  /* 17px */
    --font-size-lg: 1.1875rem;    /* 19px */
    --font-size-xl: 1.375rem;     /* 22px */
    --font-size-2xl: 1.625rem;    /* 26px */
    
    /* Line height variables */
    --line-height-tight: 1.3;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.7;
  }

  .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%;
  }
}

@layer base {
  * {
    @apply border-border;
  }
  
  html {
    font-size: 16px; /* Base font size */
  }
  
  body {
    @apply bg-background text-foreground;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    transition: background-color 0.3s ease, color 0.3s ease;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
  }
  
  /* Custom scrollbar styles */
  ::-webkit-scrollbar {
    width: 8px;
    height: 8px;
  }
  
  ::-webkit-scrollbar-track {
    @apply bg-secondary/50 rounded-full;
  }
  
  ::-webkit-scrollbar-thumb {
    @apply bg-primary/40 rounded-full transition-colors duration-300;
  }
  
  ::-webkit-scrollbar-thumb:hover {
    @apply bg-primary/60;
  }
  
  /* Additional transitions for theme elements */
  button, a, input, textarea, select {
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
  }
  
  /* Animation for the loading dots */
  @keyframes loading {
    0%, 100% {
      transform: translateY(0);
    }
    50% {
      transform: translateY(-5px);
    }
  }
  
  .animate-loading {
    animation: loading 1s infinite ease-in-out;
  }
  
  /* Markdown content styles */
  .markdown-content {
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
    letter-spacing: 0.01em;
  }
  
  .markdown-content pre {
    position: relative;
    margin: 1.25rem 0;
  }
  
  .markdown-content code {
    font-family: 'SF Mono', 'Roboto Mono', Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    font-size: var(--font-size-sm);
  }
  
  /* Syntax highlighting for code blocks */
  .markdown-content pre code {
    display: block;
    padding: 1rem;
    overflow-x: auto;
    border-radius: 0.375rem;
    line-height: 1.5;
  }
  
  /* Specific element styles */
  .markdown-content h1, 
  .markdown-content h2, 
  .markdown-content h3, 
  .markdown-content h4 {
    font-weight: 600;
    line-height: var(--line-height-tight);
    margin-top: 1.5em;
    margin-bottom: 0.75em;
  }
  
  .markdown-content h1 {
    font-size: var(--font-size-2xl);
  }
  
  .markdown-content h2 {
    font-size: var(--font-size-xl);
  }
  
  .markdown-content h3 {
    font-size: var(--font-size-lg);
  }
  
  .markdown-content h4 {
    font-size: var(--font-size-base);
  }
  
  .markdown-content p {
    margin-bottom: 1.25rem;
  }
  
  .markdown-content ul,
  .markdown-content ol {
    margin-bottom: 1.25rem;
    padding-left: 1.5rem;
  }
  
  .markdown-content li {
    margin-bottom: 0.5rem;
  }
  
  .markdown-content strong {
    font-weight: 600;
  }
  
  .markdown-content hr {
    @apply my-4 border-t border-border;
  }
  
  .markdown-content a {
    @apply text-primary font-medium hover:underline;
  }
  
  .markdown-content table {
    width: 100%;
    table-layout: fixed;
    overflow: hidden;
    margin-bottom: 1.25rem;
  }
  
  .markdown-content img {
    max-width: 100%;
    height: auto;
    margin: 1.25rem 0;
  }
}

/* Thin scrollbar style */
.scrollbar-thin::-webkit-scrollbar {
  width: 4px;
  height: 4px;
}

.scrollbar-thin::-webkit-scrollbar-track {
  @apply bg-secondary/30 rounded-full;
}

.scrollbar-thin::-webkit-scrollbar-thumb {
  @apply bg-primary/30 rounded-full transition-colors duration-300;
}

.scrollbar-thin::-webkit-scrollbar-thumb:hover {
  @apply bg-primary/50;
}

/* Make all scrollable areas use the thin scrollbar */
.overflow-y-auto,
.overflow-x-auto {
  @apply scrollbar-thin;
}

/* Additional content height limits */
.line-clamp-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Fix layout shifts with transitions */
.max-w-md, 
.max-w-4xl,
.container {
  width: 100%;
}

/* Ensure fixed layout for markdown content */
.markdown-content img,
.markdown-content pre,
.markdown-content table {
  max-width: 100%;
  width: auto !important;
  overflow-x: auto;
}

/* Prevent layout shifts when switching files */
button, a {
  backface-visibility: hidden;
  transform: translateZ(0);
}

/* Word Cloud Styles */
.word-cloud-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100%;
  text-align: center;
}

.word-cloud-container span {
  display: inline-block;
  padding: 4px 8px;
  margin: 4px;
  border-radius: 4px;
  transition: all 0.2s ease;
}

.word-cloud-container span:hover {
  color: hsl(var(--primary));
  transform: scale(1.1);
  z-index: 1;
}

/* Add a darker header background for dark mode */
.dark .markdown-content h1,
.dark .markdown-content h2,
.dark .markdown-content h3,
.dark .markdown-content h4 {
  background-color: hsl(var(--primary));
  color: hsl(var(--primary-foreground));
}