{% extends "base.html" %}
{% block title %}文档档案{% endblock %}
{% block page_header %}
<div class="page-header">
  <h1>文档档案</h1>
  <p class="sub">附件元数据与版本链接（合成演示，不存真实敏感附件）</p>
</div>
{% endblock %}
{% block content %}
<div class="kpi-row">
  <div class="kpi"><div class="kpi-label">文档数</div><div class="kpi-value">{{ stats.documents }}</div></div>
  <div class="kpi"><div class="kpi-label">版本数</div><div class="kpi-value">{{ stats.versions }}</div></div>
  {% for cat, c in stats.by_category.items() %}
  <div class="kpi"><div class="kpi-label">{{ cat }}</div><div class="kpi-value">{{ c }}</div></div>
  {% endfor %}
</div>
{% if not documents %}
<div class="empty-state">暂无文档元数据</div>
{% endif %}
{% for d in documents %}
<div class="card">
  <h3>{{ d.doc_code }} · {{ d.title }} <span class="badge">{{ d.status }}</span></h3>
  <p class="muted">类别 {{ d.category }} · 当前版本 v{{ d.current_version }} · 更新 {{ d.updated_at }}</p>
  <table class="data compact">
    <thead><tr><th>版本</th><th>文件名</th><th>大小</th><th>校验和（演示）</th><th>上传</th><th>说明</th></tr></thead>
    <tbody>
    {% for v in d.versions %}
      <tr>
        <td>v{{ v.version_no }}</td>
        <td><a href="#" title="演示链接，无真实下载">{{ v.file_name }}</a></td>
        <td>{{ v.size_kb }} KB</td>
        <td><code>{{ v.checksum_demo }}</code></td>
        <td>{{ v.uploaded_by }} · {{ v.uploaded_at }}</td>
        <td>{{ v.change_note }}</td>
      </tr>
    {% endfor %}
    </tbody>
  </table>
</div>
{% endfor %}
{% endblock %}