[Good First Issue] Add a collapsible 'Advanced settings' section for power users

[magic-peach]

Overview

Move less-common settings (quality/CRF slider, rotation) into a collapsible 'Advanced settings' section to simplify the default view.

Task

Wrap the advanced controls in a <details> element:

<details>
  <summary>Advanced settings</summary>
  <ExportSettings ... />
  <RotateControl ... />
</details>

Acceptance Criteria

• Advanced section collapsible
• Collapsed by default
• Expands on click
• Accessible (keyboard navigable)

Estimated effort: 25 minutes

[Yesha-19]

Hi @magic-peach,
I’d like to work on this issue as part of GSSoC ’26. Could you please assign it to me?
Thank you!

[magic-peach]

@Yesha-19 please do star the repo, would really appreciate it

[Grihika]

Hi @magic-peach , I'd love to work on this issue. Can you please assign it to me?

[ChaitanyaChute]

Hi @magic-peach! I would love to work on this issue . Could you please assign it to me.