Lani is also used as a masculine name in Hawaiian. However, it's more common for females. So, I think that the "Gender" of this name should be changed from "Feminine" to "Feminine & Masculine". Some evidence for this is that Lani is also used as a name element in unisex and masculine Hawaiian names such as Hōkūlani, Kailani, Kalani, Kamalani, Leilani, Nālani, Noelani, Pualani, Uʻilani, etc.Sources: https://en.m.wikipedia.org/wiki/Lani https://forebears.io/x/forenames/lani (I think)
Sources: https://en.m.wikipedia.org/wiki/Lani
https://forebears.io/x/forenames/lani (I think)