feat(ux): fix focus swipe animation, button visibility and mobile scroll

.agent/workflows/bmad-shard-doc.md

@@ -0,0 +1,10 @@
+---
+name: 'shard-doc'
+description: 'Splits large markdown documents into smaller, organized files based on level 2 (default) sections'
+---
+
+# shard-doc
+
+Read the entire task file at: {project-root}/_bmad/core/tasks/shard-doc.xml
+
+Follow all instructions in the task file exactly as written.