From f485309fd69816dcd025af00717db2b9d422a7dc Mon Sep 17 00:00:00 2001
From: Timothy Jaeryang Baek <tim@openwebui.com>
Date: Tue, 21 Apr 2026 13:57:43 +0900
Subject: [PATCH] refac

---
 src/app.css | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/app.css b/src/app.css
index ac02afcb1d..9352177bd8 100644
--- a/src/app.css
+++ b/src/app.css
@@ -260,10 +260,15 @@ select {
 	display: none;
 }
 
-/* Hide leaked Mermaid temp containers if render cleanup misses */
+/* Hide leaked Mermaid temp containers if render cleanup misses.
+   Use visibility:hidden (not display:none) so mermaid can still
+   measure the SVG layout before extracting its HTML. */
 body > div[id^='dmermaid-'],
 body > iframe[id^='imermaid-'] {
-	display: none !important;
+	position: fixed !important;
+	visibility: hidden !important;
+	height: 0 !important;
+	overflow: hidden !important;
 }
 
 .scrollbar-hidden:active::-webkit-scrollbar-thumb,