https://ghostty.org/docs/configOn macOS, pressing ⌘+comma with Ghostty in focus opens the config file.
Quit and reopen Ghostty to load the updated config (or bind another key to the reload_config action: https://ghostty.org/docs/config/keybind/reference#reload_con... ).
Keybinds are explained here: https://ghostty.org/docs/config/reference#keybind