Yes

Widgets/Sidebar/Config/CollapsibleCategory.qml

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+import QtQuick 
+import QtQuick.Layouts
+import QtQuick.Controls
+import qs.Settings
+
+ColumnLayout {
+    property alias title: headerText.text
+    property bool expanded: false // Hidden by default
+    default property alias content: contentItem.children
+
+    Rectangle {
+        Layout.fillWidth: true
+        height: 44
+        radius: 12
+        color: Theme.surface
+        border.color: Theme.accentPrimary
+        border.width: 2
+        RowLayout {
+            anchors.fill: parent
+            anchors.margins: 8
+            spacing: 8
+            Item { width: 2 }
+            Text {
+                id: headerText
+                font.family: Theme.fontFamily
+                font.pixelSize: Theme.fontSizeBody
+                font.bold: true
+                color: Theme.textPrimary
+            }
+            Item { Layout.fillWidth: true }
+            Rectangle {
+                width: 32; height: 32
+                color: "transparent"
+                Text {
+                    anchors.centerIn: parent
+                    text: expanded ? "expand_less" : "expand_more"
+                    font.family: "Material Symbols Outlined"
+                    font.pixelSize: Theme.fontSizeBody
+                    color: Theme.accentPrimary
+                }
+            }
+        }
+        MouseArea {
+            anchors.fill: parent
+            cursorShape: Qt.PointingHandCursor
+            onClicked: expanded = !expanded
+        }
+    }
+    Item { height: 8 }
+    ColumnLayout {
+        id: contentItem
+        Layout.fillWidth: true
+        visible: expanded
+        spacing: 0
+    }
+}