AppleScript - Microphone mute

mic_mute_script.workflow

if input volume of (get volume settings) = 0 then
	set level to 90
	display notification "On" with title "Mic"
	tell application "System Events"
		tell appearance preferences
			set dark mode to false
		end tell
	end tell
else
	set level to 0
	display notification "Off" with title "Mic"
	tell application "System Events"
		tell appearance preferences
			set dark mode to true
		end tell
	end tell
end if

set volume input volume level