Responsive TailwindCSS & JS Calculator App

What challenges did you encounter, and how did you overcome them?

Theme switch was difficult, first i learned how multi time css variable value changes by inheritence then i implement it in tailwindcss and that way i dont have to hard code every element in html i can only add one class in body boom it will work Next difficulty i found is that on theme using white text while other dark same for screen text and header so for that i have to use some more javascript Third difficulty was what to use radio-button, range input or javascript and choose to do with javascript cause i cant design html input it was difficult i always overflow out of container

Most of my time spend only in this feature

What specific areas of your project would you like help with?

I would like to learn how input range style can be change cause if i know i can use it to switch theme well i did it but other javascript heavy approach