:root {
    --primary-color: #2563eb;
    --sidebar-width: 250px;
}

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

body {
    font-family: system-ui, -apple-system, sans-serif;
    line-height: 1.6;
    color: #333;
}

.layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: var(--sidebar-width);
    background: #f8fafc;
    padding: 2rem;
    border-right: 1px solid #e2e8f0;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.content {
    margin-left: var(--sidebar-width);
    padding: 2rem;
    flex: 1;
    max-width: 800px;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 2rem;
}

.nav-list {
    list-style: none;
}

.nav-item {
    margin-bottom: 0.5rem;
}

.nav-link {
    color: #64748b;
    text-decoration: none;
    display: block;
    padding: 0.5rem 0;
    transition: color 0.2s;
}

.nav-link:hover {
    color: var(--primary-color);
}

h1,
h2,
h3 {
    color: #1e293b;
    margin: 1.5rem 0 1rem;
}

h1 {
    font-size: 2.5rem;
    margin-top: 0;
}

h2 {
    font-size: 1.8rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #e2e8f0;
}

code {
    background: #f1f5f9;
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-family: 'Menlo', monospace;
    font-size: 0.9em;
}

pre {
    background: #f1f5f9;
    padding: 1rem;
    border-radius: 8px;
    overflow-x: auto;
    margin: 1rem 0;
}

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

p {
    margin-bottom: 1rem;
}