Integrated @angular/material and @angular/cdk into the project and created a custom theme using SCSS. Updated angular.json to include the new theme, added Roboto and Material Icons fonts in index.html, and improved global styles for Material compatibility.
Replaces SCSS files with CSS equivalents, updates Angular configuration to use CSS for styles, and adds Tailwind CSS with PostCSS integration. Updates dependencies in package.json and package-lock.json to include tailwindcss, postcss, and related plugins. The app.html template is replaced with a minimal version, removing the previous placeholder content.
