Implementation: How to make AI panel footer always stick to bottom with adap...

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⚙️ Implementation: How to make AI panel footer always stick to bottom with adap...

Date: 2026-01-22
Time: 21:52:26 UTC
Session: editor2-57.58
Agent: angular
Confidence: 95%
Status: ✅ Documented

📋 Decision Context

Question:

How to make AI panel footer always stick to bottom with adaptive textarea?

Task: Not specified

🎯 Decision Made

Chosen:

Sticky footer with auto-resizing textarea and intelligent height management

Options Considered:

Keep old fixed calculations with padding
Use flexbox margin-top: auto only
Make footer position: absolute
Use CSS grid with fixed rows
Implement sticky footer with dynamic textarea

💭 Reasoning

The footer was getting clipped because the panel used dynamic viewport calculations without accounting for internal scrolling. Solution: (1) Made footer position:sticky with z-index:10 to always pin to bottom, (2) Increased textarea min-height to 44px and max-height to 200px with auto-resize on input, (3) Added adjustTextareaHeight() method that dynamically adjusts height based on content, (4) Reset textarea to 44px after sending message for better UX, (5) Added custom scrollbar to textarea for overflow, (6) Increased input container gap and button size for better touch targets

📁 Files Involved

libs/libs-ai/vitto-hub/src/lib/components/ai-panel/ai-panel.component.scss
libs/libs-ai/vitto-hub/src/lib/components/ai-panel/ai-panel.component.ts

🔗 Related

Decision ID: dev_1769118746230_t17d62k
Session: 57
Workspace: editor2

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