body {
  font-family: system-ui, -apple-system, sans-serif;
  margin: 0;
  padding: 20px;
}

header {
  margin-bottom: 2rem;
  border-bottom: 1px solid #eee;
  padding-bottom: 1rem;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

nav .languages,
nav .pages {
  display: flex;
  gap: 0.5rem;
}

nav .languages {
  padding-right: 2rem;
  border-right: 1px solid #eee;
}

nav .pages {
  padding-left: 1rem;
}

nav a {
  text-decoration: none;
  color: #666;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  transition: all 0.2s ease;
}

nav a:hover {
  background: #f5f5f5;
}

nav a.active {
  color: #000;
  font-weight: 500;
  background: #f0f0f0;
}

main {
  max-width: 800px;
  margin: 0 auto;
}

h1 {
  margin-top: 0;
}