From add7a1cf3809bcb0b5a150a3003910c3d62272fb Mon Sep 17 00:00:00 2001
From: Ross <xkjq@ymail.com>
Date: Mon, 9 Feb 2026 12:44:19 +0000
Subject: [PATCH] Add dismissible performance warning for large collections in
 collection_detail template

---
 atlas/templates/atlas/collection_detail.html | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/atlas/templates/atlas/collection_detail.html b/atlas/templates/atlas/collection_detail.html
index bdef8850..6d97ad12 100644
--- a/atlas/templates/atlas/collection_detail.html
+++ b/atlas/templates/atlas/collection_detail.html
@@ -20,8 +20,9 @@
 
                         {% include 'exam_notes.html' %}
                         {% if casesdetails|length > 20 %}
-                            <div class="alert alert-warning" role="alert">
+                            <div class="alert alert-warning alert-dismissible fade show" role="alert">
                                 <strong>Performance warning:</strong> This collection contains {{ casesdetails|length }} cases — in some situations this may adversely affect performance, all features will still work but page loading may be slower. Consider splitting into smaller collections if performance is an issue.
+                                <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
                             </div>
                         {% endif %}