diff --git a/src/App.css b/src/App.css
index b13703fe..cc1d6de4 100644
--- a/src/App.css
+++ b/src/App.css
@@ -39,11 +39,13 @@
 
 .app__editor {
   flex: 1;
-  min-width: 800px;
+  min-width: 400px;
   min-height: 0;
   overflow: hidden;
   display: flex;
   flex-direction: column;
+  container-type: inline-size;
+  container-name: editor;
 }
 
 .app__editor > * {
diff --git a/src/components/Editor.css b/src/components/Editor.css
index 2652a10c..32404fcb 100644
--- a/src/components/Editor.css
+++ b/src/components/Editor.css
@@ -359,3 +359,13 @@
 .editor__blocknote-container [data-node-type="blockContainer"]:first-child:has([data-content-type="heading"][data-level="1"]) {
   display: none;
 }
+
+/* Reduce padding at narrow editor widths so content isn't cramped */
+@container editor (max-width: 600px) {
+  .editor__blocknote-container .bn-editor {
+    padding: 12px 16px;
+  }
+  .title-section {
+    padding: 0 16px;
+  }
+}