diff --git a/src/admin/admin.css b/src/admin/admin.css
index ea37504..c8ca558 100644
--- a/src/admin/admin.css
+++ b/src/admin/admin.css
@@ -732,11 +732,22 @@ img {
   box-shadow: 0 4px 12px rgba(214, 48, 49, 0.3);
 }
 
+.admin-btn .admin-spinner {
+  width: 16px;
+  height: 16px;
+  border-width: 2px;
+}
+
 .admin-btn-primary .admin-spinner {
   border-color: rgba(255, 255, 255, 0.3);
   border-top-color: #fff;
 }
 
+.admin-btn-secondary .admin-spinner {
+  border-color: rgba(var(--text-secondary-rgb, 107, 114, 128), 0.3);
+  border-top-color: var(--text-secondary);
+}
+
 .admin-btn-secondary {
   background: var(--bg-tertiary);
   border: 1px solid var(--border-color);