[XB] Quick Reply Sticky 2.0.1

This add-on makes the quick reply form sticky within a configurable viewport width and can automatically collapse the editor into its compact placeholder while members read through long discussions.

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Features:​

• Sticky Quick Reply: Keep the quick reply form visible while scrolling through a thread.
• Configurable Viewport Width: Specify the maximum viewport width where sticky mode is active.
• Scroll-Based Collapse: Optionally collapse the full editor to its placeholder after a configurable scroll distance.
• Outside Click Collapse: Optionally collapse the editor when clicking outside the quick reply form.
• Mobile-Only Mode: Display the simplified quick reply form and placeholder only on mobile devices.
• Responsive Behavior: Automatically update sticky behavior when the viewport changes and prevent editor collapse while the on-screen keyboard is open.

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Requirements:​

• XenForo 2.2.0 or later
• Browser Detection add-on is required only for the optional mobile-only mode.

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Useful for:​

• Long Discussions: Keep the reply form accessible while reading lengthy threads.
• Mobile Browsing: Improve the reply experience on smaller screens.
• Faster Replies: Reduce scrolling back to the bottom of the page.
• Better User Experience: Encourage participation without interrupting reading.

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Screenshots:​