The tab opened with an eyebrow, a page title and a subtitle repeating the tab name, then three numbered sections each with a large serif title and its own subtitle, a stats box, a standing hint, an empty table with raw column names, a dropdown repeating that table, and a 380px empty file box.
Now:
* **Two small section titles**, "Find an accession" and "Coding landscape", in place of the page header and the numbered 01/02/03 sections.
* **Search is a single bar** with the example chips under it. No label box, and the button lines up with the input.
* **The results table is hidden until a search returns rows**, uses readable headers (Assembly, Record, Organism, Division, Start, End, Segment), and **a click on a row loads that segment**. That replaces the "Segment to explore" dropdown.
* **The viewer controls sit in one toolbar** with short labels. Download is a small button there: preparing the file reveals a download button instead of an empty file box.
* **The caption under the plot…
Show the distribution of probabilities per column, not their mean (#11)
