📄 Context

On the /specifications/new page, we have a preview section (and textarea) that becomes difficult to use if you have a lot of content to the left side where the form is displayed. This makes interacting with the preview challenging as you need to scroll up and down in order to use the textarea.

We can improve this by making the preview section sticky so that when users scroll down it remains within the viewport.

🎯 Definition of Done

• Scrolling up and down shouldn't affect the preview section visibility. It should remain visible at all times.