diff --git a/app/globals.css b/app/globals.css
index 7df8640..8d06f36 100644
--- a/app/globals.css
+++ b/app/globals.css
@@ -90,6 +90,7 @@
 html,
 body {
   height: 100%;
+  height: 100dvh;
 }
 
 body {
@@ -101,6 +102,7 @@ body {
   line-height: 1.4;
   -webkit-font-smoothing: antialiased;
   text-rendering: optimizeLegibility;
+  -webkit-tap-highlight-color: transparent;
 }
 
 button,
@@ -148,10 +150,42 @@ button:disabled {
   display: flex;
   flex-direction: column;
   height: 100%;
+  height: 100dvh;
   overflow: hidden;
   background: var(--c-editor);
   color: var(--c-text);
   font-family: var(--c-ui-font);
+  padding:
+    env(safe-area-inset-top, 0)
+    env(safe-area-inset-right, 0)
+    env(safe-area-inset-bottom, 0)
+    env(safe-area-inset-left, 0);
+}
+
+.zed-empty__actions {
+  display: flex;
+  flex-wrap: wrap;
+  align-items: center;
+  justify-content: center;
+  gap: 8px;
+}
+
+.zed-notes-fab {
+  display: none;
+  position: fixed;
+  left: max(12px, env(safe-area-inset-left, 0px));
+  bottom: max(12px, env(safe-area-inset-bottom, 0px));
+  z-index: 20;
+  align-items: center;
+  justify-content: center;
+  width: 36px;
+  height: 36px;
+  padding: 0;
+  border-radius: 10px;
+  border: 1px solid var(--c-border);
+  background: color-mix(in srgb, var(--c-surface) 92%, transparent);
+  color: var(--c-text-muted);
+  backdrop-filter: blur(8px);
 }
 
 .zed-titlebar {
@@ -413,10 +447,16 @@ button:disabled {
   color: var(--c-editor-fg);
   caret-color: var(--c-text-accent);
   tab-size: 4;
-  white-space: pre;
+  white-space: pre-wrap;
+  overflow-wrap: anywhere;
   overflow: auto;
 }
 
+.zed-editor__body[data-wrap="false"] {
+  white-space: pre;
+  overflow-wrap: normal;
+}
+
 .zed-editor__body::placeholder {
   color: var(--c-text-placeholder);
 }
@@ -448,10 +488,15 @@ button:disabled {
 /* Login — elevated surface dialog on editor canvas */
 .zed-login {
   min-height: 100%;
+  min-height: 100dvh;
   display: flex;
   align-items: center;
   justify-content: center;
-  padding: 24px;
+  padding:
+    max(24px, env(safe-area-inset-top, 0px))
+    max(24px, env(safe-area-inset-right, 0px))
+    max(24px, env(safe-area-inset-bottom, 0px))
+    max(24px, env(safe-area-inset-left, 0px));
   background: var(--c-editor);
 }
 
@@ -742,3 +787,29 @@ button:disabled {
   white-space: nowrap;
   border: 0;
 }
+
+@media (hover: none) {
+  .zed-note-item__delete {
+    display: inline-flex;
+  }
+}
+
+@media (max-width: 480px) {
+  .zed-notes-fab {
+    display: inline-flex;
+  }
+
+  .zed-field {
+    font-size: 16px;
+  }
+
+  .zed-empty__hint {
+    display: none;
+  }
+}
+
+@media (min-width: 481px) {
+  .zed-empty__actions .zed-btn:first-child {
+    display: none;
+  }
+}
diff --git a/app/layout.tsx b/app/layout.tsx
index 78068f2..2115bb8 100644
--- a/app/layout.tsx
+++ b/app/layout.tsx
@@ -1,4 +1,4 @@
-import type { Metadata } from "next";
+import type { Metadata, Viewport } from "next";
 import { ThemeBoot } from "@/components/theme-boot";
 import { faviconBootScript } from "@/lib/themes";
 import "./globals.css";
@@ -9,6 +9,21 @@ export const metadata: Metadata = {
   icons: {
     icon: [{ url: "/favicon.svg", type: "image/svg+xml" }],
   },
+  appleWebApp: {
+    capable: true,
+    title: "memo",
+    statusBarStyle: "black-translucent",
+  },
+};
+
+export const viewport: Viewport = {
+  width: "device-width",
+  initialScale: 1,
+  viewportFit: "cover",
+  themeColor: [
+    { media: "(prefers-color-scheme: dark)", color: "#141414" },
+    { media: "(prefers-color-scheme: light)", color: "#f3f3f3" },
+  ],
 };
 
 export default function RootLayout({
diff --git a/components/icons.tsx b/components/icons.tsx
index 3bcb6e4..54a3535 100644
--- a/components/icons.tsx
+++ b/components/icons.tsx
@@ -23,6 +23,26 @@ export function PlusIcon({ size = 14, className }: IconProps) {
   );
 }
 
+export function MenuIcon({ size = 16, className }: IconProps) {
+  return (
+    <svg
+      width={size}
+      height={size}
+      viewBox="0 0 16 16"
+      fill="none"
+      className={className}
+      aria-hidden
+    >
+      <path
+        d="M2.5 4h11M2.5 8h11M2.5 12h11"
+        stroke="currentColor"
+        strokeWidth="1.4"
+        strokeLinecap="round"
+      />
+    </svg>
+  );
+}
+
 /** Heroicons outline `cog-6-tooth` (MIT) — https://heroicons.com */
 export function SettingsIcon({ size = 16, className }: IconProps) {
   return (
diff --git a/components/memo-app.tsx b/components/memo-app.tsx
index 29dba23..af06ba1 100644
--- a/components/memo-app.tsx
+++ b/components/memo-app.tsx
@@ -2,6 +2,16 @@
 
 import { useCallback, useEffect, useMemo, useRef, useState } from "react";
 import type { Note } from "@/lib/types";
+import {
+  DEFAULT_WRAP,
+  WRAP_STORAGE_KEY,
+  isWrapPreference,
+} from "@/lib/preferences";
+import {
+  createTabId,
+  openSyncChannel,
+  type SyncMessage,
+} from "@/lib/tab-sync";
 import {
   APPEARANCE_STORAGE_KEY,
   DEFAULT_APPEARANCE,
@@ -13,18 +23,21 @@ import {
   type Appearance,
   type ThemeId,
 } from "@/lib/themes";
-import {
-  createTabId,
-  openSyncChannel,
-  type SyncMessage,
-} from "@/lib/tab-sync";
-import { PlusIcon, SettingsIcon } from "./icons";
+import { MenuIcon, PlusIcon, SettingsIcon } from "./icons";
 import { SettingsPanel } from "./settings-panel";
 
 type SaveState = "saved" | "saving" | "dirty" | "error";
 
 const POLL_MS = 1500;
 const DRAFT_BROADCAST_MS = 32;
+/** Phone-width only — keep tablet/desktop browser windows on the desktop layout. */
+const NARROW_QUERY = "(max-width: 480px)";
+
+function isNarrowViewport() {
+  return (
+    typeof window !== "undefined" && window.matchMedia(NARROW_QUERY).matches
+  );
+}
 
 function previewTitle(note: Pick<Note, "title" | "body">) {
   const fromTitle = note.title.trim();
@@ -105,6 +118,7 @@ export function MemoApp({ initialNotes }: { initialNotes: Note[] }) {
   const [themeId, setThemeId] = useState<ThemeId>(DEFAULT_THEME_ID);
   const [appearance, setAppearance] =
     useState<Appearance>(DEFAULT_APPEARANCE);
+  const [wrap, setWrap] = useState(DEFAULT_WRAP);
   const [caret, setCaret] = useState(0);
   const saveTimer = useRef<ReturnType<typeof setTimeout> | null>(null);
   const skipNextSave = useRef(false);
@@ -195,6 +209,9 @@ export function MemoApp({ initialNotes }: { initialNotes: Note[] }) {
     const savedAppearance = window.localStorage.getItem(
       APPEARANCE_STORAGE_KEY,
     );
+    const savedWrap = isWrapPreference(
+      window.localStorage.getItem(WRAP_STORAGE_KEY),
+    );
     const nextTheme =
       savedTheme && isThemeId(savedTheme) ? savedTheme : DEFAULT_THEME_ID;
     const nextAppearance =
@@ -203,6 +220,7 @@ export function MemoApp({ initialNotes }: { initialNotes: Note[] }) {
         : DEFAULT_APPEARANCE;
     setThemeId(nextTheme);
     setAppearance(nextAppearance);
+    setWrap(savedWrap ?? DEFAULT_WRAP);
     applyTheme(nextTheme, nextAppearance);
   }, []);
 
@@ -224,6 +242,11 @@ export function MemoApp({ initialNotes }: { initialNotes: Note[] }) {
     [themeId],
   );
 
+  const selectWrap = useCallback((next: boolean) => {
+    setWrap(next);
+    window.localStorage.setItem(WRAP_STORAGE_KEY, String(next));
+  }, []);
+
   const sortedNotes = useMemo(() => sortNotesByRecent(notes), [notes]);
 
   const activeNote = useMemo(
@@ -244,6 +267,7 @@ export function MemoApp({ initialNotes }: { initialNotes: Note[] }) {
     setBody(note.body);
     setSaveState("saved");
     setCaret(0);
+    if (isNarrowViewport()) setSidebarOpen(false);
     requestAnimationFrame(() => bodyRef.current?.focus());
   }, []);
 
@@ -416,7 +440,7 @@ export function MemoApp({ initialNotes }: { initialNotes: Note[] }) {
       note: data.note,
     });
     selectNote(data.note);
-    setSidebarOpen(true);
+    if (!isNarrowViewport()) setSidebarOpen(true);
   }, [selectNote]);
 
   async function removeNote(id: string) {
@@ -476,7 +500,12 @@ export function MemoApp({ initialNotes }: { initialNotes: Note[] }) {
   return (
     <div className="zed-shell">
       <div className="zed-workspace">
-        <aside className="zed-panel" data-open={sidebarOpen}>
+        <aside
+          className="zed-panel"
+          data-open={sidebarOpen}
+          aria-hidden={!sidebarOpen}
+          inert={!sidebarOpen ? true : undefined}
+        >
           <div className="zed-panel__header">
             <span className="zed-panel__title">Notes</span>
             <div className="zed-panel__actions">
@@ -489,6 +518,14 @@ export function MemoApp({ initialNotes }: { initialNotes: Note[] }) {
               >
                 <PlusIcon size={13} />
               </button>
+              <button
+                type="button"
+                className="zed-text-btn"
+                onClick={() => setSidebarOpen(false)}
+                title="Hide notes (⌘B)"
+              >
+                Hide
+              </button>
             </div>
           </div>
           <nav className="zed-panel__list">
@@ -567,6 +604,7 @@ export function MemoApp({ initialNotes }: { initialNotes: Note[] }) {
                 <textarea
                   ref={bodyRef}
                   className="zed-editor__body"
+                  data-wrap={wrap ? "true" : "false"}
                   value={body}
                   onChange={(event) => {
                     setBody(event.target.value);
@@ -592,25 +630,48 @@ export function MemoApp({ initialNotes }: { initialNotes: Note[] }) {
             <div className="zed-empty">
               <p>No open note</p>
               <p className="zed-empty__hint">⌘B notes · ⌘N new</p>
-              <button
-                type="button"
-                className="zed-link"
-                onClick={() => void createNote()}
-              >
-                Create a note
-              </button>
+              <div className="zed-empty__actions">
+                <button
+                  type="button"
+                  className="zed-btn zed-btn-primary"
+                  onClick={() => setSidebarOpen(true)}
+                >
+                  Notes
+                </button>
+                <button
+                  type="button"
+                  className="zed-btn"
+                  onClick={() => void createNote()}
+                >
+                  New note
+                </button>
+              </div>
             </div>
           )}
         </section>
       </div>
 
+      {!sidebarOpen ? (
+        <button
+          type="button"
+          className="zed-notes-fab"
+          onClick={() => setSidebarOpen(true)}
+          aria-label="Open notes"
+          title="Notes"
+        >
+          <MenuIcon size={16} />
+        </button>
+      ) : null}
+
       <SettingsPanel
         open={settingsOpen}
         themeId={themeId}
         appearance={appearance}
+        wrap={wrap}
         onClose={() => setSettingsOpen(false)}
         onThemeChange={selectTheme}
         onAppearanceChange={selectAppearance}
+        onWrapChange={selectWrap}
         onLock={() => void logout()}
       />
     </div>
diff --git a/components/settings-panel.tsx b/components/settings-panel.tsx
index 7ccacf9..041c2f1 100644
--- a/components/settings-panel.tsx
+++ b/components/settings-panel.tsx
@@ -30,17 +30,21 @@ export function SettingsPanel({
   open,
   themeId,
   appearance,
+  wrap,
   onClose,
   onThemeChange,
   onAppearanceChange,
+  onWrapChange,
   onLock,
 }: {
   open: boolean;
   themeId: ThemeId;
   appearance: Appearance;
+  wrap: boolean;
   onClose: () => void;
   onThemeChange: (id: ThemeId) => void;
   onAppearanceChange: (appearance: Appearance) => void;
+  onWrapChange: (wrap: boolean) => void;
   onLock: () => void;
 }) {
   useEffect(() => {
@@ -97,6 +101,28 @@ export function SettingsPanel({
             </div>
           </section>
 
+          <section className="memo-settings__section">
+            <h3 className="memo-settings__label">Editor</h3>
+            <div className="memo-settings__segment" role="group">
+              <button
+                type="button"
+                className="memo-settings__segment-btn"
+                data-active={wrap ? "true" : "false"}
+                onClick={() => onWrapChange(true)}
+              >
+                Wrap
+              </button>
+              <button
+                type="button"
+                className="memo-settings__segment-btn"
+                data-active={!wrap ? "true" : "false"}
+                onClick={() => onWrapChange(false)}
+              >
+                No wrap
+              </button>
+            </div>
+          </section>
+
           <section className="memo-settings__section">
             <h3 className="memo-settings__label">Color system</h3>
             <div className="memo-settings__themes">
diff --git a/lib/preferences.ts b/lib/preferences.ts
new file mode 100644
index 0000000..85ccd1d
--- /dev/null
+++ b/lib/preferences.ts
@@ -0,0 +1,8 @@
+export const WRAP_STORAGE_KEY = "memo.wrap";
+export const DEFAULT_WRAP = true;
+
+export function isWrapPreference(value: string | null): boolean | null {
+  if (value === "true") return true;
+  if (value === "false") return false;
+  return null;
+}