In terms of finding a name that fits with [name_f]Scout[/name_f] (spunky, spirited, gender neutral) and [name_m]Cruz[/name_m] (cool, short, exotic), I think these might work!
[name_f]Alva[/name_f] (as an alternative to Alba)
[name_f]Elvie[/name_f]
[name_f]Nova[/name_f]
[name_f]Teal[/name_f]
[name_f]Minta[/name_f]
[name_f]Ruby[/name_f]
[name_f]Cleo[/name_f]
[name_f]Tansy[/name_f]
[name_f]Tess[/name_f]
[name_f]Ivy[/name_f]
For a boy:
[name_m]Cabe[/name_m]
[name_m]Luis[/name_m]
[name_m]Kai[/name_m]
[name_m]Enzo[/name_m]
[name_m]Rafe[/name_m]
[name_m]Jude[/name_m]
[name_m]Eli[/name_m]
[name_m]Rhett[/name_m]
[name_m]Fox[/name_m]