diff --git a/frontend/src/views/TaskEditorView.vue b/frontend/src/views/TaskEditorView.vue
index f7baeed..68b3b8a 100644
--- a/frontend/src/views/TaskEditorView.vue
+++ b/frontend/src/views/TaskEditorView.vue
@@ -737,12 +737,19 @@ useEditorGuards(dirty, save);
   border-bottom: 1px solid var(--color-border);
 }
 
+/* .task-main is a flex column; without flex-shrink: 0, long body content
+   gets squeezed back to min-height and overflows visibly on top of siblings. */
+.body-editor-wrap,
+.body-log {
+  flex-shrink: 0;
+}
+
 .body-editor-wrap {
   min-height: 200px;
 }
 
-.body-log {
-  /* TaskLogSection already has its own border/bg */
+:deep(.preview-pane) {
+  flex-shrink: 0;
 }
 
 /* Right sidebar: metadata fields */