feat(params): widen the row pitch from 8 to 14px

A control's flush seam and the next row's label sat close enough to read
as one block; rows now get near two channels of air past the label line.

Co-Authored-By: Claude Fable 5.1 <[email protected]>

 src/widget/container/parameters_bg.rs | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/widget/container/parameters_bg.rs b/src/widget/container/parameters_bg.rs
index 70a24cf..f8e58c3 100644
--- a/src/widget/container/parameters_bg.rs
+++ b/src/widget/container/parameters_bg.rs
@@ -100,8 +100,11 @@ fn section_carve_depth(h: f32) -> f32 {
 }
 /// Vertical pitch between consecutive rows. Wider than the horizontal
 /// channel on purpose: each label+control pair gets its own breathing room,
-/// so rows read as separate entries rather than one packed stack.
-const ROW_GAP: f32 = 8.0;
+/// so rows read as separate entries rather than one packed stack. Was 8
+/// until 2026-09-06; a control's flush seam and the next row's label sat
+/// close enough to read as one block, so the pitch is now near two channels
+/// past the label's own line height.
+const ROW_GAP: f32 = 14.0;
 /// How far a section's title box overhangs its header row upward, and the box's height.
 const TITLE_BOX_INSET: f32 = 2.0;
 const TITLE_BOX_H: f32 = 28.0;