Hide quality presets outside CRF mode

DONE.md

@@ -830,6 +830,7 @@ This file tracks completed features, fixes, and milestones.
 - ✅ Added 0.5/1.0 Mbps bitrate presets and simplified preset names
 - ✅ Default bitrate preset normalized to 2.5 Mbps to avoid "select one"
 - ✅ Linked simple and advanced bitrate presets so they stay in sync
+- ✅ Hide quality presets when bitrate mode is not CRF
 - ✅ Stabilized video seeking and embedded rendering
 - ✅ Improved player window positioning
 - ✅ Fixed clear video functionality

TODO.md

@@ -63,6 +63,7 @@ This file tracks upcoming features, improvements, and known issues.
   - Bitrate presets expanded to include 0.5/1.0 Mbps and renamed for clarity
   - Default bitrate preset normalized to 2.5 Mbps to prevent empty select
   - Simple/advanced bitrate presets synced
+  - Quality presets hidden when bitrate mode is not CRF
 
 *Last Updated: 2025-12-20*
 

main.go

@@ -6824,16 +6824,17 @@ func buildConvertView(state *appState, src *videoSource) fyne.CanvasObject {
 	updateQualityVisibility = func() {
 		hide := strings.Contains(strings.ToLower(state.convert.SelectedFormat.Label), "h.265") ||
 			strings.EqualFold(state.convert.VideoCodec, "H.265")
+		hideQuality := state.convert.BitrateMode != "" && state.convert.BitrateMode != "CRF"
 
 		if qualitySectionSimple != nil {
-			if hide {
+			if hide || hideQuality {
 				qualitySectionSimple.Hide()
 			} else {
 				qualitySectionSimple.Show()
 			}
 		}
 		if qualitySectionAdv != nil {
-			if hide {
+			if hide || hideQuality {
 				qualitySectionAdv.Hide()
 			} else {
 				qualitySectionAdv.Show()