From 62bdbc86282f9ab4bbb92ff2e4fb083ec6d5d1d4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=9D=9E=E6=B3=95=E6=93=8D=E4=BD=9C?= <hjlarry@163.com>
Date: Thu, 16 Jul 2026 09:58:31 +0800
Subject: [PATCH] fix(web): hide broken table actions in Streamdown fullscreen
 (#38894)

---
 web/app/styles/markdown.css | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/web/app/styles/markdown.css b/web/app/styles/markdown.css
index 8004a96f975..9cb409089ef 100644
--- a/web/app/styles/markdown.css
+++ b/web/app/styles/markdown.css
@@ -615,6 +615,11 @@
   background-color: var(--color-background-section-burn);
 }
 
+/* Hide Streamdown controls that cannot locate the portaled fullscreen table. */
+[data-streamdown='table-fullscreen'] [role='presentation'] > div:first-child > div {
+  display: none;
+}
+
 [data-streamdown='table-fullscreen'] table[data-streamdown='table'] {
   border-color: var(--color-divider-regular);
 }