From e630832e76c0dedca3b068842f8818e2e86f8a66 Mon Sep 17 00:00:00 2001
From: Kyle Pope <kyle.a.pope@outlook.com>
Date: Fri, 13 Mar 2026 21:14:21 +0800
Subject: [PATCH] Fix weekend header cells showing different background in
 Firefox

FC applies its own weekend background to header <th> elements too.
Force weekend header cells to use the same hsl(0 0% 8% / 0.65) as
weekday headers with !important to override FC's built-in styling.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 frontend/src/index.css | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/frontend/src/index.css b/frontend/src/index.css
index 06cb1b7..d76073c 100644
--- a/frontend/src/index.css
+++ b/frontend/src/index.css
@@ -178,6 +178,10 @@
   background-color: hsl(0 0% 8% / 0.65);
   border-color: var(--fc-border-color);
 }
+.fc .fc-col-header-cell.fc-day-sat,
+.fc .fc-col-header-cell.fc-day-sun {
+  background-color: hsl(0 0% 8% / 0.65) !important;
+}
 
 .fc-theme-standard td,
 .fc-theme-standard th {