:root {
  color-scheme: light dark;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #eee;
    --fg: #000;
    --fg-dim: #333;
    --fg-muted: #666;
    --border: #ccc;
    --border-dim: #eee;
    --surface: #e3e3e3;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000;
    --fg: #fff;
    --fg-dim: #ddd;
    --fg-muted: #888;
    --border: #333;
    --border-dim: #111;
    --surface: #151515;
  }
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'Courier New', 'Courier', monospace;
  font-size: 15px;
  line-height: 1.8;
  max-width: 800px;
  margin: 0 auto;
  padding: 60px 30px;
  letter-spacing: 0.3px;
}

h1 {
  font-size: 32px;
  font-weight: normal;
  margin-bottom: 30px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--fg);
  letter-spacing: 1px;
}

h2 {
  font-size: 18px;
  font-weight: normal;
  margin-top: 50px;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--fg-muted);
}

h3 {
  font-size: 15px;
  font-weight: bold;
  margin-top: 30px;
  margin-bottom: 12px;
}

p {
  margin-bottom: 15px;
  color: var(--fg);
}

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

a:hover {
  border-bottom: 1px solid var(--fg);
}

ul, ol {
  margin-left: 0;
  list-style-position: inside;
  margin-bottom: 20px;
}

li {
  margin-bottom: 10px;
  color: var(--fg-dim);
}

li::marker {
  color: var(--fg-muted);
}

strong {
  font-weight: bold;
  color: var(--fg);
}

em {
  font-style: italic;
  color: var(--fg-muted);
}

hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 40px 0;
}

code {
  font-family: 'Courier New', 'Courier', monospace;
  background: var(--surface);
  padding: 2px 6px;
  border: 1px solid var(--border);
}

pre {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 20px;
  overflow-x: auto;
  margin-bottom: 25px;
  line-height: 1.5;
}

pre code {
  background: none;
  border: none;
  padding: 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 25px;
  border: 1px solid var(--border);
}

th, td {
  border: 1px solid var(--border);
  padding: 12px 15px;
  text-align: left;
}

th {
  background: var(--surface);
  font-weight: normal;
  text-transform: uppercase;
  font-size: 13px;
  letter-spacing: 1px;
  color: var(--fg-muted);
}

tr:hover {
  background: var(--surface);
}

blockquote {
  border-left: 2px solid var(--border);
  padding-left: 25px;
  margin: 25px 0;
  color: var(--fg-muted);
  font-style: italic;
}