diff --git a/src/lib/DiffViewer.svelte b/src/lib/DiffViewer.svelte
index b7d707a..a81e736 100644
--- a/src/lib/DiffViewer.svelte
+++ b/src/lib/DiffViewer.svelte
@@ -1905,8 +1905,7 @@
   }
 
   .lines-wrapper {
-    display: inline-block;
-    min-width: 100%;
+    display: block;
     will-change: transform;
     position: relative; /* For AI annotation overlays */
   }
diff --git a/src/lib/Sidebar.svelte b/src/lib/Sidebar.svelte
index b92ff7c..7b81736 100644
--- a/src/lib/Sidebar.svelte
+++ b/src/lib/Sidebar.svelte
@@ -702,7 +702,7 @@
   .tree-item {
     display: flex;
     align-items: center;
-    width: 100%;
+    width: calc(100% - 8px);
     padding: 3px 8px;
     font-size: var(--size-md);
     gap: 4px;