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

body {
    font-family: system-ui, -apple-system, sans-serif;
    line-height: 1.6;
    max-width: 800px;
    margin: 0 auto;
    padding: 1rem;
    color: #1a1a1a;
}

nav {
    display: flex;
    gap: 1.5rem;
    padding: 1rem 0;
    border-bottom: 1px solid #ddd;
    margin-bottom: 2rem;
}

nav a {
    text-decoration: none;
    color: #2563eb;
    font-weight: 500;
}

nav a:hover {
    text-decoration: underline;
}

h1 { margin-bottom: 1rem; }
h2 { margin: 1.5rem 0 0.5rem; }
h3 { margin: 0.5rem 0; }

article {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #eee;
}

article:last-child {
    border-bottom: none;
}

time {
    color: #666;
    font-size: 0.9rem;
}

a { color: #2563eb; }

pre {
    background: #f5f5f5;
    padding: 1rem;
    overflow-x: auto;
    border-radius: 4px;
    margin: 1rem 0;
}

code {
    background: #f5f5f5;
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
    font-size: 0.9em;
}

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

footer {
    margin-top: 3rem;
    padding-top: 1rem;
    border-top: 1px solid #ddd;
    color: #666;
    font-size: 0.9rem;
}