@IBAction func darkModeSystem(_ sender: Any) {
        if #available(iOS 13.0, *) {
            UIApplication.shared.keyWindow?.overrideUserInterfaceStyle = .unspecified
            do {
                try Locksmith.updateData(
                    data: [interfaceStyle: ThemeMode.unspecified.mode],
                    forUserAccount: theme
                )
            } catch {
                print(error.localizedDescription)
            }
        } else {
            // Fallback on earlier versions
        }
        systemSettingButton.isSelected = true
        darkModeOnButton.isSelected = false
        darkModeOffButton.isSelected = false
    }

    @IBAction func darkModeOn(_ sender: Any) {
        if #available(iOS 13.0, *) {
            UIApplication.shared.keyWindow?.overrideUserInterfaceStyle = .dark
            do {
                try Locksmith.updateData(
                    data: [interfaceStyle: ThemeMode.dark.mode],
                    forUserAccount: theme
                )
            } catch {
                print(error.localizedDescription)
            }

        } else {
            // Fallback on earlier versions
        }
        darkModeOnButton.isSelected = true
        systemSettingButton.isSelected = false
        darkModeOffButton.isSelected = false
    }

    @IBAction func darkModeOff(_ sender: Any) {
        if #available(iOS 13.0, *) {
            UIApplication.shared.keyWindow?.overrideUserInterfaceStyle = .light
            do {
                try Locksmith.updateData(
                    data: [interfaceStyle: ThemeMode.light.mode],
                    forUserAccount: theme
                )
            } catch {
                print(error.localizedDescription)
            }
        } else {
            // Fallback on earlier versions
        }
        darkModeOffButton.isSelected = true
        darkModeOnButton.isSelected = false
        syst