SkyHolder

Results 2 issues of SkyHolder

if custom color name contain dashes like this `txt-secondary-inverted` script cannot get inversed color version ![image](https://github.com/jjranalli/nightwind/assets/13480095/307cd81a-aa82-4178-9acc-febc0de664c2) ![image](https://github.com/jjranalli/nightwind/assets/13480095/090489b9-55aa-4ade-ab5e-cea868e5bf11)

meet this bug before, here example for target 164 100% `body{background:#66284A}i i{rotate:90deg;margin:-50 35;--c:#D669EC}i i i{--c:FDFBF8}[c]{--c:D86F45}i{position:absolute;border:20px solid;padding:30;border-radius:9cm;border-bottom-color:#0000;rotate:45deg;margin:32 142;color:var(--c,F0CD48)}` 99% `body{background:#66284A}i i{rotate:90deg;margin:-50 35;--c:#D669EC}i i i{--c:FDFBF8}[c]{--c:D86F45}i{position:fixed;border:20px solid;padding:30;border-radius:9cm;border-bottom-color:#0000;rotate:45deg;margin:32 142;color:var(--c,F0CD48)}`