Transform calculator UI to modern professional design with glassmorphism effects#1

pkprogrammer1 merged 2 commits intomasterpkprogrammer1/calculator-using-javascript:masterfrom

copilot/fix-c82777c6-9624-4a22-b382-d2d394190ac0pkprogrammer1/calculator-using-javascript:copilot/fix-c82777c6-9624-4a22-b382-d2d394190ac0Copy head branch name to clipboard