From 0d5ade6dd31bfdb2dc253642b1d9917f668d5cc7 Mon Sep 17 00:00:00 2001
From: Evan Rusackas <evan@preset.io>
Date: Thu, 5 Mar 2026 20:45:11 -0500
Subject: [PATCH] fix(ColorPicker): restore alpha input visibility hidden by
 geostyler CSS (#38169)

Co-authored-by: Superset Dev <dev@superset.apache.org>
Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>
---
 .../packages/superset-core/src/theme/GlobalStyles.tsx | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/superset-frontend/packages/superset-core/src/theme/GlobalStyles.tsx b/superset-frontend/packages/superset-core/src/theme/GlobalStyles.tsx
index d3350a0efbd..33a30a9fa61 100644
--- a/superset-frontend/packages/superset-core/src/theme/GlobalStyles.tsx
+++ b/superset-frontend/packages/superset-core/src/theme/GlobalStyles.tsx
@@ -98,6 +98,17 @@ export const GlobalStyles = () => {
         [role='button'] {
           cursor: pointer;
         }
+
+        // Override geostyler CSS that hides AntD ColorPicker alpha input
+        // See: https://github.com/apache/superset/issues/34721
+        .ant-color-picker .ant-color-picker-alpha-input {
+          display: block;
+        }
+
+        .ant-color-picker .ant-color-picker-slider-alpha {
+          display: flex;
+          margin-top: ${theme.marginXS}px;
+        }
       `}
     />
   );