draft: tmp/translation-page.html

Layout

Full-height design with the table taking up most of the viewport
Sticky header row and sticky key column for easy navigation when scrolling
Horizontal scroll for many languages, vertical scroll for many keys

Columns

Language columns: English (source), Norwegian, German, French, Spanish
Each language shows completion percentage in the header

Visual indicators

Green: source language
Blue: high completion (85%+)
Amber: moderate completion / needs review
Red row highlighting: missing translations

Features

Inline editing (click any cell to edit)
Search bar for finding anything
Stats bar showing translated/review/missing counts
Pagination for large translation sets
"All changes saved" status indicator

This should be a solid starting point for your translation work. Let me know if you want to adjust the languages, add interactivity (like saving to an API), or modify the styling.
