:root {
  --primary-color: #0d6efd;
  --dark-color: #212529;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

main {
  flex: 1;
}

nav.navbar {
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
  font-size: 1.5rem;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--dark-color);
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
  font-weight: 600;
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
  border-bottom: 2px solid #e9ecef;
  padding-bottom: 0.5rem;
}

h3 {
  font-size: 1.5rem;
}

a {
  color: var(--primary-color);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

code {
  background-color: #f8f9fa;
  padding: 0.2rem 0.4rem;
  border-radius: 0.25rem;
  font-family: 'Monaco', 'Courier New', monospace;
  font-size: 0.9em;
}

pre {
  background-color: #f8f9fa;
  padding: 1rem;
  border-radius: 0.5rem;
  overflow-x: auto;
  border-left: 4px solid var(--primary-color);
}

pre code {
  background-color: transparent;
  padding: 0;
}

blockquote {
  border-left: 4px solid #e9ecef;
  padding-left: 1rem;
  margin-left: 0;
  color: #6c757d;
}

.blog-post {
  max-width: 800px;
  margin: 0 auto;
}

.page-content {
  max-width: 900px;
}

footer {
  margin-top: auto;
  border-top: 1px solid #e9ecef;
}

@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  .container-lg {
    padding-left: 1rem;
    padding-right: 1rem;
  }
}