{% if error %}<div class="flash error" role="alert">{{ error }}</div>{% endif %}
<form class="stack" method="get" action="{{ app_path('/export/schedule.pdf') }}">
  <label>Escala
    <select name="schedule_id" required>
      {% for item in schedules %}
      <option value="{{ item.id }}" {% if item.id == selected_schedule_id %}selected{% endif %}>{{ item.name }}</option>
      {% endfor %}
    </select>
  </label>
  <div class="form-grid">
    <label>Data inicial
      <input type="date" name="start_date" value="{{ start }}" min="2000-01-01" max="2100-12-31" required>
    </label>
    <label>Data final
      <input type="date" name="end_date" value="{{ end }}" min="2000-01-01" max="2100-12-31" required>
    </label>
  </div>
  <p class="muted">As datas inicial e final estão incluídas. Máximo de 12 meses; o tamanho do texto adapta-se ao intervalo.</p>
  <div class="row end"><button class="primary" type="submit">Descarregar PDF</button></div>
</form>