/* Base styles */
:root {
  --font-main: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  --color-text: #222;
  --color-text-light: #666;
  --color-accent: #007acc;
  --color-bg: #fff;
  --color-border: #eee;
  --color-code-bg: #f8f8f8;
  --max-width: 700px;
  --spacing: 1.5rem;
}

/* Dark mode variables */
[data-theme="dark"] {
  --color-text: #e0e0e0;
  --color-text-light: #a0a0a0;
  --color-accent: #4da6ff;
  --color-bg: #1a1a1a;
  --color-border: #333;
  --color-code-bg: #2d2d2d;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-main);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  padding: 2rem 1.5rem;
  transition: background-color 0.2s ease, color 0.2s ease;
}

main {
  max-width: var(--max-width);
  margin: 0 auto;
}

h1, h2, h3 {
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 0.75rem;
}

h1 {
  font-size: 2.25rem;
  margin-top: 0;
}

h2 {
  font-size: 1.25rem;
  color: var(--color-text-light);
  margin-bottom: 1.5rem;
}

h3 {
  font-size: 1.25rem;
  margin-top: 1.75rem;
}

p {
  margin-bottom: 1.25rem;
  font-size: 1rem;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: all 0.2s ease;
}

a:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

hr {
  border: none;
  height: 1px;
  background-color: var(--color-border);
  margin: 2rem 0;
}

pre {
  background-color: var(--color-code-bg);
  padding: 1rem;
  border-radius: 4px;
  overflow-x: auto;
  margin: 1.5rem 0;
  font-size: 0.9rem;
  line-height: 1.5;
  transition: background-color 0.2s ease;
}

code {
  font-family: monospace;
  background-color: var(--color-code-bg);
  border-radius: 3px;
  font-size: 0.9rem;
  transition: background-color 0.2s ease;
  padding: 0.2em 0.4em;
}

pre > code {
 padding: 0; 
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
  :root {
    --color-text: #e0e0e0;
    --color-text-light: #a0a0a0;
    --color-accent: #4da6ff;
    --color-bg: #1a1a1a;
    --color-border: #333;
    --color-code-bg: #2d2d2d;
  }
  
  /* Override for explicit dark mode */
  [data-theme="light"] {
    --color-text: #222;
    --color-text-light: #666;
    --color-accent: #007acc;
    --color-bg: #fff;
    --color-border: #eee;
    --color-code-bg: #f8f8f8;
  }
}

/* Responsive adjustments */
@media (max-width: 768px) {
  body {
    padding: 1.5rem 1rem;
  }
  
  h1 {
    font-size: 1.8rem;
  }
  
  h2 {
    font-size: 1.1rem;
  }
  
  pre {
    padding: 0.75rem;
    font-size: 0.85rem;
  }
}