body {
  font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  max-width: 900px;
  margin: 0 auto;
  padding: 3rem 2rem;
  background: #fafafa;
  color: #000000;
  line-height: 1.6;
}
h1, h2, h3 {
  color: #000000;
  font-weight: 400;
  margin-top: 2rem;
  margin-bottom: 1rem;
}
h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
a {
  color: #2ea043;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}
a:hover {
  border-bottom-color: #2ea043;
}
p {
  margin-bottom: 1rem;
}
ul, ol {
  margin-bottom: 1rem;
  padding-left: 2rem;
}
li {
  margin-bottom: 0.5rem;
}
code {
  background: #f3f4f6;
  padding: 0.2rem 0.4rem;
  border-radius: 3px;
  font-size: 0.9em;
}
pre {
  background: #f3f4f6;
  padding: 1rem;
  border-radius: 6px;
  overflow-x: auto;
  margin-bottom: 1rem;
}
pre code {
  background: transparent;
  padding: 0;
}
blockquote {
  border-left: 4px solid #2ea043;
  padding-left: 1rem;
  margin-left: 0;
  color: #555;
  font-style: italic;
}
img {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
}
table {
  border-collapse: collapse;
  width: 100%;
  margin-bottom: 1rem;
}
th, td {
  border: 1px solid #ddd;
  padding: 0.75rem;
  text-align: left;
}
th {
  background-color: #f3f4f6;
  font-weight: 600;
}
@media (prefers-color-scheme: dark) {
  body {
    background: #1a1a1a;
    color: #e0e0e0;
  }
  h1, h2, h3 {
    color: #ffffff;
  }
  a {
    color: #4ade80;
  }
  a:hover {
    border-bottom-color: #4ade80;
  }
  code {
    background: #2a2a2a;
  }
  pre {
    background: #2a2a2a;
  }
  th {
    background-color: #2a2a2a;
  }
  td {
    border-color: #3a3a3a;
  }
}