{% macro render_field(field, placeholder='') %}
  <div class="mb-3">
    {{ field.label(class="form-label") }}
    {{ field(class="form-control" + (" is-invalid" if field.errors else ""), placeholder=placeholder) }}
    {% if field.errors %}
      <div class="invalid-feedback">
        {{ field.errors|join(" ") }}
      </div>
    {% endif %}
  </div>
{% endmacro %}

{% macro render_textarea(field, rows=4) %}
  <div class="mb-3">
    {{ field.label(class="form-label") }}
    {{ field(class="form-control" + (" is-invalid" if field.errors else ""), rows=rows) }}
    {% if field.errors %}
      <div class="invalid-feedback">
        {{ field.errors|join(" ") }}
      </div>
    {% endif %}
  </div>
{% endmacro %}

{% macro render_select(field) %}
  <div class="mb-3">
    {{ field.label(class="form-label") }}
    {{ field(class="form-select" + (" is-invalid" if field.errors else "")) }}
    {% if field.errors %}
      <div class="invalid-feedback">
        {{ field.errors|join(" ") }}
      </div>
    {% endif %}
  </div>
{% endmacro %}