{% extends 'base.html' %}{% block content %}<h1>Import vehicle listings</h1>{% include 'admin_nav.html' %}<form class="panel" method="post" enctype="multipart/form-data"><input type="hidden" name="csrf" value="{{csrf}}"><div class="field"><label>Listing source</label><select name="source_id" required>{% for s in sources %}<option value="{{s['id']}}">{{s['name']}}</option>{% endfor %}</select></div><div class="field"><label>Upload a JSON file</label><input type="file" name="file" accept=".json,application/json"></div><div class="field"><label>Or paste a JSON array (uploaded file takes priority)</label><textarea name="payload" rows="10" placeholder='[{"source_id":"1","make":"Toyota","model":"Camry","year":2022,"price":17900,"mileage":48300,"city":"Nashville","lat":36.16,"lon":-86.78,"seller":"Example seller"}]'></textarea></div><button>Validate & import</button><p>Maximum 500 listings per import. The source selected above determines the stored source name.</p></form>{% endblock %}