From d76069d6437f5888d64a17bb1eeae11c8d62819f Mon Sep 17 00:00:00 2001
From: Benjamin Christopher Simmonds
 <44439583+benibenj@users.noreply.github.com>
Date: Fri, 7 Feb 2025 11:13:41 +0100
Subject: [PATCH] Fix tab border issues (#239915)

fix tab border
---
 .../browser/parts/editor/media/multieditortabscontrol.css | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/vs/workbench/browser/parts/editor/media/multieditortabscontrol.css b/src/vs/workbench/browser/parts/editor/media/multieditortabscontrol.css
index f70426f7d9f..66850166467 100644
--- a/src/vs/workbench/browser/parts/editor/media/multieditortabscontrol.css
+++ b/src/vs/workbench/browser/parts/editor/media/multieditortabscontrol.css
@@ -50,7 +50,7 @@
 	display: none;
 }
 
-.monaco-workbench .part.editor > .content .editor-group-container > .title .tab:not(.active) .tabs-and-actions-container.tabs-border-bottom::after {
+.monaco-workbench .part.editor > .content .editor-group-container > .title .tabs-and-actions-container.tabs-border-bottom::after {
 	content: '';
 	position: absolute;
 	bottom: 0;
@@ -293,13 +293,17 @@
 	background-color: var(--tab-border-top-color);
 }
 
-.monaco-workbench .part.editor > .content .editor-group-container > .title .tabs-container > .tab.active.tab-border-bottom:not(:focus) > .tab-border-bottom-container {
+.monaco-workbench .part.editor > .content .editor-group-container > .title .tabs-container > .tab.active.tab-border-bottom > .tab-border-bottom-container {
 	z-index: 10;
 	bottom: 0;
 	height: 1px;
 	background-color: var(--tab-border-bottom-color);
 }
 
+.monaco-workbench .part.editor > .content .editor-group-container > .title .tabs-container > .tab.active.tab-border-bottom:focus > .tab-border-bottom-container {
+	background-color: var(--vscode-focusBorder);
+}
+
 .monaco-workbench .part.editor > .content .editor-group-container > .title .tabs-container > .tab.dirty-border-top:not(:focus) > .tab-border-top-container {
 	z-index: 6;
 	top: 0;