Switched to "Red Hat Text" and "Teko" fonts via Google Fonts. Updated color palette from cool blues to warm reds and yellows, including backgrounds, accents, and error states. Refreshed button, top bar, and card styles for improved visual hierarchy and softer appearance.
Refactor PDF reset to restore original document state using a new OriginalPdfBase64 variable and async logic. Redesign app.css with a lighter color palette, CSS variables, and updated styles for buttons, overlays, modals, and inputs for a cleaner, more accessible UI. Adjust signature and text overlay colors in pdfInterop.js for better contrast and consistency.
