diff --git a/src/main.ts b/src/main.ts
index 6a46eb4..058d5e2 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -584,9 +584,11 @@ async function revealWindow(): Promise<void> {
 window.addEventListener("DOMContentLoaded", () => {
   applyTheme(currentThemeId, currentMode);
   refreshToolbar = createToolbar(toolbarEl, () => editor);
-  void boot().then(() => {
-    requestAnimationFrame(() => void revealWindow().catch(() => {}));
-  });
+  void boot()
+    .catch((err) => console.error("boot failed", err))
+    .then(() => {
+      requestAnimationFrame(() => void revealWindow().catch(() => {}));
+    });
 });
 
 window.addEventListener("beforeunload", () => {
diff --git a/src/styles.css b/src/styles.css
index 2d1cdb1..736f87c 100644
--- a/src/styles.css
+++ b/src/styles.css
@@ -323,10 +323,53 @@
   box-sizing: border-box;
 }
 
+*,
+*::before,
+*::after {
+  user-select: none;
+  -webkit-user-select: none;
+  -webkit-user-drag: none;
+}
+
+input,
+textarea,
+[contenteditable="true"],
+[contenteditable="true"] *,
+.entry-editor *,
+#as-datadir {
+  user-select: text;
+  -webkit-user-select: text;
+  -webkit-user-drag: auto;
+}
+
+img {
+  -webkit-user-drag: none;
+}
+
 html,
 body {
   margin: 0;
   height: 100%;
+  overflow: hidden;
+  overscroll-behavior: none;
+}
+
+::-webkit-scrollbar {
+  width: 6px;
+  height: 6px;
+}
+
+::-webkit-scrollbar-track {
+  background: transparent;
+}
+
+::-webkit-scrollbar-thumb {
+  background: rgba(128, 128, 128, 0.25);
+  border-radius: 3px;
+}
+
+::-webkit-scrollbar-thumb:hover {
+  background: rgba(128, 128, 128, 0.45);
 }
 
 body {