frontend/src/components/docs/DocExport.jsx

import { Download } from 'lucide-react';

export default function DocExport({ content, fileName = 'codeatlas-documentation.md' }) {
  const download = () => {
    const blob = new Blob([content || ''], { type: 'text/markdown' });
    const url = URL.createObjectURL(blob);
    const anchor = document.createElement('a');
    anchor.href = url;
    anchor.download = fileName;
    anchor.click();
    URL.revokeObjectURL(url);
  };

  return (
    <button
      onClick={download}
      disabled={!content}
      className="inline-flex items-center gap-2 rounded-lg border border-white/10 bg-white/5 px-3 py-2 text-sm text-slate-200 transition-colors hover:bg-white/10 disabled:cursor-not-allowed disabled:opacity-40"
    >
      <Download className="h-4 w-4" />
      Markdown
    </button>
  );
}