From d677e4ce4f4e25ceae9bf3778f8d46482f1a9559 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Sun, 20 Sep 2026 15:23:59 +0000
Subject: [PATCH 1/3] Initial plan


From ae46b3894e14eaddf9827e177a8fdace32b2a45f Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Sun, 20 Sep 2026 15:26:38 +0000
Subject: [PATCH 2/3] Improve notebook disclosure icon contrast

Co-authored-by: aanchalbhansali <185747873+aanchalbhansali@users.noreply.github.com>
---
 src/styles/renderer.less | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/styles/renderer.less b/src/styles/renderer.less
index 85aea62b..21111870 100644
--- a/src/styles/renderer.less
+++ b/src/styles/renderer.less
@@ -499,6 +499,7 @@ iframe#preview-frame {
 	.collapse-arrow {
 		flex-shrink: 0;
 		width: 10px; height: 10px;
+		filter: var(--modeIconImageFilter);
 		opacity: 0.6;
 		transition: transform 0.15s;
 	}

From 4da2377c2e9acc6ce2e1cf7cadae2b23dc523706 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Mon, 21 Sep 2026 10:40:44 +0000
Subject: [PATCH 3/3] Ensure dropdown hierarchy icon contrast

Co-authored-by: aanchalbhansali <185747873+aanchalbhansali@users.noreply.github.com>
---
 src/styles/renderer.less | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/styles/renderer.less b/src/styles/renderer.less
index 21111870..54dbcf7c 100644
--- a/src/styles/renderer.less
+++ b/src/styles/renderer.less
@@ -490,7 +490,7 @@ iframe#preview-frame {
 	margin-top: 4px;
 	cursor: pointer;
 	user-select: none;
-	img { width: 14px; height: 14px; flex-shrink: 0; }
+	img { width: 14px; height: 14px; flex-shrink: 0; filter: var(--modeIconImageFilter); }
 	&:first-child { margin-top: 0; }
 	&:hover { background: @colorSubtleBackgroundHover; }
 	// Collapse/expand arrow icon (reuses legacy onenotepicker arrows).
@@ -499,7 +499,6 @@ iframe#preview-frame {
 	.collapse-arrow {
 		flex-shrink: 0;
 		width: 10px; height: 10px;
-		filter: var(--modeIconImageFilter);
 		opacity: 0.6;
 		transition: transform 0.15s;
 	}
@@ -511,7 +510,7 @@ iframe#preview-frame {
 	cursor: pointer;
 	white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
 	display: flex; align-items: center; gap: 6px;
-	img { width: 14px; height: 14px; flex-shrink: 0; }
+	img { width: 14px; height: 14px; flex-shrink: 0; filter: var(--modeIconImageFilter); }
 	span { overflow: hidden; text-overflow: ellipsis; }
 	&:hover { background: @colorSubtleBackgroundHover; }
 	&.section-item-selected {