TekH
51ea93200e
Enhanced EnvelopeViewer with a thumbnail sidebar for page previews and a resizable splitter (150px-400px range) for improved navigation. Updated layout to use a flexbox design for side-by-side thumbnails and PDF canvas. Externalized CSS for maintainability and added responsive behavior for mobile devices. Improved Blazor lifecycle handling with `firstRender` checks and sequential thumbnail rendering. Addressed known issues like vertical alignment and infinite render loops. Introduced localStorage persistence for user preferences and enhanced zoom/navigation interactivity with global mouse events.