Fix Firefox Android cookie dialog back gestures

functions.php

@@ -59,6 +59,25 @@ function c1024_2026_disable_w3tc_javascript_lazyload( $can_process ) {
 }
 add_filter( 'w3tc_lazyload_can_process', 'c1024_2026_disable_w3tc_javascript_lazyload' );
 
+/**
+ * Avoid a Firefox Android close watcher for the cookie plugin's CSS-hidden dialog.
+ *
+ * GDPR Cookie Compliance 5.2.2 keeps its native dialog permanently open and manages
+ * visibility/focus itself. Use ARIA semantics without the native close watcher
+ * that consumes Android back gestures (Mozilla bug 2078216).
+ */
+function c1024_2026_gdpr_modal_dialog( $html ) {
+	$modal = preg_replace(
+		'/<dialog id="moove_gdpr_cookie_modal" class="gdpr_lightbox-hide" open\b([^>]*)>(.*)<\/dialog>/s',
+		'<div id="moove_gdpr_cookie_modal" class="gdpr_lightbox-hide" role="dialog"$1>$2</div>',
+		$html,
+		1
+	);
+
+	return null !== $modal ? $modal : $html;
+}
+add_filter( 'gdpr_modal_base_module', 'c1024_2026_gdpr_modal_dialog' );
+
 function c1024_2026_block_editor_assets() {
 	// Load the complete canvas stylesheet inside Gutenberg's editor iframe.
 	wp_enqueue_style( 'c1024-2026-editor-style', get_theme_file_uri( '/editor-style.css' ), array(), '1.0.0' );