Refine color variables and class names in input and dropdown-menu
components to improve visual consistency and accessibility. Introduce
new CSS variables for input text and muted input states. Adjust focus
and selection styles to better align with the overall design system.
chore(button): update button font to use label font
chore(label): update label font to use label font
chore(login-form): update input placeholder text
chore(labeled-input): update input font to use label font
feat(global-styles): add custom font families for heading and label
chore(popover): update popover background color to match background
