hypridle: Dim the screen & keyboard backlight

home/.config/hypr/hypridle.conf

@@ -14,6 +14,22 @@ listener {
   on-resume = hyprctl dismissnotify 1
 }
 
+# Dim the screen
+listener {
+  timeout = 300
+  # Set the brightness to minimum (not exactly to 0 though for OLED screens)
+  on-timeout = brightnessctl -s set 10
+  on-resume = brightnessctl -r
+}
+
+# Turn off keyboard backlight
+listener {
+  timeout = 300
+  # Attempt to find the keyboard backlight device, only proceeding if it exists
+  on-timeout = sh -c 'device=$(brightnessctl -l -m | grep -i kbd | cut -d"," -f1 | head -n 1) && [ -n "$device" ] && brightnessctl -s -d "$device" set 0'
+  on-resume = sh -c 'device=$(brightnessctl -l -m | grep -i kbd | cut -d"," -f1 | head -n 1) && [ -n "$device" ] && brightnessctl -r -d "$device"'
+}
+
 # Lock the session
 listener {
   timeout = 310