Replaced deprecated 'toggled' to 'clicked' +fixed button color (it is not the…

src/window.cmb

@@ -105,7 +105,8 @@
 	(6,14,"GtkWidget",1,1,None,None,None,None,None,None),
 	(6,14,"GtkWidget",2,2,None,1,None,None,None,None),
 	(6,17,"GtkWidget",1,1,None,None,None,None,None,None),
-	(6,17,"GtkWidget",2,2,None,1,None,None,None,None)
+	(6,17,"GtkWidget",2,2,None,1,None,None,None,None),
+	(6,16,"GtkWidget",1,1,None,None,None,None,None,None)
   </object_data>
   <object_data_arg>
 	(6,4,"GtkWidget",2,2,"name","title-3"),

src/window.css

 /* style.css */
 .box-border {
     border-style: solid;
-    border-color:  @theme_selected_bg_color; /* Цвет обводки */
+    border-color:  @accent_bg_color; /* Цвет обводки */
     border-width: 2px; /* Ширина обводки */
     border-radius: 10px; /* Радиус закругления углов */
     padding: 15px; /* Внутренние отступы */
 }
 
 .maintoggle:checked {
-    color: @theme_selected_bg_color; /* темный цвет фона */
-    font-size: 14px;
-    font-weight: bold;
+    box-shadow: inset 0 0 0 9999px @accent_bg_color;
 }
 
 .maintoggle:checked .maintogglelabel {

src/window.py

@@ -59,7 +59,7 @@ class XimperUnifiedThemeSwitcherGuiGtk4Window(Adw.ApplicationWindow):
         else:
             self.change_style_btn.set_active(False)
             
-        self.change_style_btn.connect('toggled', self.change_style, "1")
+        self.change_style_btn.connect('clicked', self.change_style, "1")
         
     def cr_theme_selected(self, cr, _pspec, cfg_key):
         cfg_new_value = cr.props.selected_item.props.string

src/window.ui

@@ -103,6 +103,7 @@
                         <property name="icon-name">ru.ximperlinux.UnifiedThemeSwitcher</property>
                         <property name="icon-size">large</property>
                         <property name="valign">center</property>
+                        <style/>
                       </object>
                     </child>
                     <child>