Feat : Update UI Mobile View

Feat : Implement Auth & API

Feat : Implement Translation (English & Indonesia)

ubah backend

PAKAI INI VIEL

last changes before upload

viel uncomment constantsnya ya td aku gbs upload krn ada bbrp yg undefined di .jsxnya thanks

fix: UI improvements

feat: wire up real-time math engine for stats UI

feat: add dynamic results UI and localStorage vault

Restructre frontend Folder