body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    max-width: 210mm;
    margin: 0 auto;
    padding: 20mm;
    line-height: 1.6;
    color: #333;
    background: white;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 1em auto;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

pre {
    background: #f8f9fa;
    padding: 1em;
    border-radius: 6px;
    border-left: 4px solid #007acc;
    overflow-x: auto;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 0.9em;
}

code {
    background: #f1f3f4;
    padding: 0.2em 0.4em;
    border-radius: 3px;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 0.9em;
}

h1, h2, h3, h4, h5, h6 {
    color: #2c3e50;
    margin-top: 2em;
    margin-bottom: 1em;
    page-break-after: avoid;
}

h1 {
    border-bottom: 3px solid #3498db;
    padding-bottom: 0.5em;
}

h2 {
    border-bottom: 2px solid #95a5a6;
    padding-bottom: 0.3em;
}

table {
    border-collapse: collapse;
    width: 100%;
    margin: 1em 0;
}

th, td {
    border: 1px solid #ddd;
    padding: 0.75em;
    text-align: left;
}

th {
    background-color: #f8f9fa;
    font-weight: bold;
}

blockquote {
    border-left: 4px solid #3498db;
    margin: 1em 0;
    padding: 0.5em 1em;
    background: #f8f9fa;
    border-radius: 0 4px 4px 0;
}

.mermaid-container {
    text-align: center;
    margin: 2em 0;
    page-break-inside: avoid;
}

.mermaid-container img {
    max-width: 100%;
    height: auto;
}

@media print {
    body {
        margin: 0;
        padding: 15mm;
    }
    
    img {
        max-height: 80vh;
        page-break-inside: avoid;
    }
    
    h1, h2, h3, h4, h5, h6 {
        page-break-after: avoid;
    }
    
    pre, blockquote {
        page-break-inside: avoid;
    }
}