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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #fff;
}

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

.sidebar {
    width: 280px;
    background: #f7f9fc;
    border-right: 1px solid #e1e8ed;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    padding: 20px 0;
}

.sidebar-header {
    padding: 0 24px 24px;
    border-bottom: 1px solid #e1e8ed;
    margin-bottom: 24px;
}

.sidebar-header h1 {
    font-size: 20px;
    font-weight: 600;
    color: #1a1a1a;
}

.sidebar-nav {
    padding: 0 16px;
}

.nav-section {
    margin-bottom: 32px;
}

.nav-section h3 {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    color: #6b7280;
    margin-bottom: 12px;
    letter-spacing: 0.5px;
}

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

.nav-section li {
    margin-bottom: 4px;
}

.nav-section a {
    display: block;
    padding: 8px 12px;
    color: #4b5563;
    text-decoration: none;
    border-radius: 6px;
    font-size: 14px;
    transition: all 0.2s;
}

.nav-section a:hover {
    background: #e5e7eb;
    color: #1a1a1a;
}

.nav-section a.active {
    background: #3b82f6;
    color: #fff;
}

.content {
    flex: 1;
    margin-left: 280px;
    padding: 48px 64px;
    max-width: 900px;
}

.doc-content {
    background: #fff;
}

.doc-content h1 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 24px;
    color: #1a1a1a;
    line-height: 1.2;
}

.doc-content h2 {
    font-size: 24px;
    font-weight: 600;
    margin-top: 32px;
    margin-bottom: 16px;
    color: #1a1a1a;
}

.doc-content h3 {
    font-size: 20px;
    font-weight: 600;
    margin-top: 24px;
    margin-bottom: 12px;
    color: #1a1a1a;
}

.doc-content p {
    margin-bottom: 16px;
    color: #4b5563;
    font-size: 16px;
    line-height: 1.7;
}

.doc-content ul, .doc-content ol {
    margin: 16px 0;
    padding-left: 24px;
}

.doc-content li {
    margin-bottom: 8px;
    color: #4b5563;
    line-height: 1.7;
}

.doc-content strong {
    font-weight: 600;
    color: #1a1a1a;
}

.doc-content code {
    background: #f3f4f6;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 14px;
    color: #e11d48;
}

.doc-content pre {
    background: #1a1a1a;
    color: #f3f4f6;
    padding: 16px;
    border-radius: 8px;
    overflow-x: auto;
    margin: 24px 0;
}

.doc-content pre code {
    background: transparent;
    color: inherit;
    padding: 0;
}

.disclaimer {
    background: #fef3c7;
    border-left: 4px solid #f59e0b;
    padding: 16px;
    margin-top: 32px;
    border-radius: 4px;
}

.disclaimer p {
    margin: 0;
    color: #92400e;
    font-size: 14px;
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s;
    }
    
    .content {
        margin-left: 0;
        padding: 24px;
    }
}