Style button groups in forms

assets/css/app.css

@@ -179,3 +179,11 @@ notification-list {
 [data-bs-theme=dark] .gp-game__field {
     border-color: var(--tblr-blue);
 }
+
+/** Fix specificity for checked buttons on hover */
+.btn-check:checked + .btn:hover {
+    color: var(--tblr-btn-active-color);
+    background-color: var(--tblr-btn-active-bg);
+    border-color: var(--tblr-btn-active-border-color);
+    box-shadow: var(--tblr-btn-active-shadow)
+}

config/config.yml

@@ -25,6 +25,7 @@ monolog:
             formatter: 'monolog.formatter.json'
 
 twig:
+    form_themes: ['tabler_form_layout.html.twig']
     strict_variables: '%kernel.debug%'
 
 services:

templates/tabler_form_layout.html.twig

@@ -0,0 +1,24 @@
+{% use "bootstrap_5_layout.html.twig" %}
+
+{# Override to ignore label_attr for expanded choices, allowing them to be rendered as buttons. #}
+{%- block choice_label -%}
+    {% if expanded is defined and expanded %}
+        <legend class="form-label{{ required ? ' required' }}">{{ label }}</legend>
+    {% else %}
+        {{- parent() -}}
+    {% endif %}
+{%- endblock choice_label %}
+
+{# Override to ensure choices don't inherit the required attribute, removing the asterisk from each choice. #}
+{%- block choice_widget_expanded -%}
+    <div {{ block('widget_container_attributes') }}>
+        {%- for child in form %}
+            {{- form_widget(child, {
+                required: false,
+                parent_label_class: label_attr.class|default(''),
+                translation_domain: choice_translation_domain,
+                valid: valid,
+            }) -}}
+        {% endfor -%}
+    </div>
+{%- endblock choice_widget_expanded %}

tests/_support/AcceptanceTester.php

@@ -5,6 +5,7 @@
 use Codeception\Actor;
 use Codeception\Lib\Actor\Shared\Friend;
 use Codeception\Lib\Actor\Shared\Retry;
+use Codeception\Scenario;
 
 /**
  * Inherited Methods
@@ -26,4 +27,11 @@ class AcceptanceTester extends Actor
     use _generated\AcceptanceTesterActions;
     use Friend;
     use Retry;
+
+    public function __construct(Scenario $scenario)
+    {
+        parent::__construct($scenario);
+
+        $this->retry(3);
+    }
 }