Replace all instances of prefixed flex utility classes (like flex-items-center, flex-justify-between, flex-full, flex-shrink-0) with their standard un-prefixed counterparts (items-center, justify-between, flex-1, shrink-0) across the codebase. Remove the deprecated src/static/scss/flex.scss partial file as it is no longer needed after these updates.
Delete the src/static/scss/font-size.scss utility file, and replace all legacy `font-size-*` class usages across the codebase with inline `text-[numberpx]` styling to consolidate font size definitions and remove redundant utility code.
Delete the src/static/scss/margin.scss utility file, update all component templates to replace pre-defined margin classes with inline arbitrary pixel values (e.g. mb-[4px] instead of mb-4), and clean up long template lines for better readability.
Replace all usages of legacy `.color-*` and `.text-color-*` SCSS utility classes with inline Tailwind `text-[#hexcode]` arbitrary value classes. Remove the deprecated `src/static/scss/colors.scss` file, and fix minor formatting/indentation issues across multiple component files.
