/*
 * Default — PDF theme for formal documents
 *
 * Color palette: black/grey, no accent color
 * Font: Songti SC (body) + Heiti SC (headings)
 * Best for: legal documents, trademark filings, contracts, formal reports
 *
 * This is the original built-in theme from md_to_pdf.py, extracted for reference.
 */

@page {
    size: A4;
    margin: 2.5cm 2cm;
}

body {
    font-family: 'Songti SC', 'SimSun', 'STSong', 'Noto Serif CJK SC', serif;
    font-size: 12pt;
    line-height: 1.8;
    color: #000;
    width: 100%;
}

h1 {
    font-family: 'Heiti SC', 'SimHei', 'STHeiti', 'Noto Sans CJK SC', sans-serif;
    font-size: 18pt;
    font-weight: bold;
    text-align: center;
    margin-top: 0;
    margin-bottom: 1.5em;
}

h2 {
    font-family: 'Heiti SC', 'SimHei', 'STHeiti', 'Noto Sans CJK SC', sans-serif;
    font-size: 14pt;
    font-weight: bold;
    margin-top: 1.5em;
    margin-bottom: 0.8em;
}

h3 {
    font-family: 'Heiti SC', 'SimHei', 'STHeiti', 'Noto Sans CJK SC', sans-serif;
    font-size: 12pt;
    font-weight: bold;
    margin-top: 1em;
    margin-bottom: 0.5em;
}

p {
    margin: 0.8em 0;
    text-align: justify;
}

ul, ol {
    margin: 0.8em 0;
    padding-left: 2em;
}

li {
    margin: 0.4em 0;
}

table {
    border-collapse: collapse;
    width: 100%;
    margin: 1em 0;
    font-size: 10pt;
    table-layout: fixed;
}

th, td {
    border: 1px solid #666;
    padding: 8px 6px;
    text-align: left;
    overflow-wrap: break-word;
    word-break: normal;
}

th {
    background-color: #f0f0f0;
    font-weight: bold;
}

hr {
    border: none;
    border-top: 1px solid #ccc;
    margin: 1.5em 0;
}

code {
    font-family: 'Menlo', 'PingFang SC', 'Heiti SC', 'Noto Sans CJK SC', monospace;
    background: #f5f5f5;
    padding: 1px 4px;
    border-radius: 3px;
    font-size: 10pt;
}

pre {
    background: #f5f5f5;
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 12px 16px;
    margin: 1em 0;
    overflow-wrap: break-word;
    white-space: pre-wrap;
    word-break: break-all;
}

pre code {
    font-family: 'Menlo', 'PingFang SC', 'Heiti SC', 'Noto Sans CJK SC', monospace;
    background: none;
    padding: 0;
    border-radius: 0;
    font-size: 9pt;
    line-height: 1.6;
}

/* CJK code blocks converted to styled divs by preprocessor.
   Uses inherit to reuse body's CJK font (weasyprint may not find PingFang SC). */
.cjk-code-block {
    font-family: inherit;
    background: #f5f5f5;
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 12px 16px;
    margin: 1em 0;
    font-size: 10pt;
    line-height: 1.8;
    white-space: pre-wrap;
    word-break: break-all;
}