How does idea for mac hide the title bar or turn it dark?

upgrade macOS Mojave likes the "dark" theme very much, but the title bar is out of place when using idea in off-full-screen mode, especially at night.

is there any way to hide the title bar or turn it dark?

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Sep.22,2021
Select Appearance&Behavior in

Settings and then select Theme in Appearance. There is an option to set the title bar to black, but it is limited to mac and linux versions


https://medium.com/codelytv/h.
, but it is still a bit inconsistent after changing it to dark color. If only the title bar could be removed directly

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