diff --git a/frontend/src/index.css b/frontend/src/index.css
index 4b60647..d735332 100644
--- a/frontend/src/index.css
+++ b/frontend/src/index.css
@@ -170,6 +170,18 @@
   background-color: hsl(0 0% 6%);
 }
 
+/* Weekend tint: header cells (higher specificity to override .fc-col-header-cell) */
+.fc .fc-col-header-cell.fc-day-sat,
+.fc .fc-col-header-cell.fc-day-sun {
+  background-color: hsl(0 0% 6%) !important;
+}
+
+/* Weekend tint: timegrid column cells */
+.fc .fc-timegrid-col.fc-day-sat,
+.fc .fc-timegrid-col.fc-day-sun {
+  background-color: hsl(0 0% 6%);
+}
+
 .fc .fc-col-header-cell {
   background-color: hsl(0 0% 8% / 0.65);
   border-color: var(--fc-border-color);