diff --git a/src/server/templates/form.css b/src/server/templates/form.css
index f4c02c6..550a806 100644
--- a/src/server/templates/form.css
+++ b/src/server/templates/form.css
@@ -75,7 +75,7 @@ header p { font-size: 0.85rem; opacity: 0.8; }
   margin-bottom: 12px;
 }
 
-.user-info-row { display: flex; align-items: center; gap: 12px; }
+.user-bar { display: flex; align-items: center; gap: 12px; }
 
 .user-avatar {
   width: 40px;
@@ -87,9 +87,13 @@ header p { font-size: 0.85rem; opacity: 0.8; }
 
 .user-avatar:not(.is-hidden) { display: block; }
 
-.user-meta { flex: 1; }
+.user-meta { flex: 1; min-width: 0; }
 .user-name { font-weight: 600; font-size: 0.95rem; }
-.user-email { font-size: 0.85rem; color: var(--color-muted); }
+.user-email {
+  font-size: 0.85rem;
+  color: var(--color-muted);
+  overflow-wrap: anywhere;
+}
 .count-display { font-size: 0.8rem; color: var(--color-muted); margin-left: 8px; }
 .g-signin-wrap { display: flex; justify-content: center; }
 .admin-muted { font-size: 0.8rem; color: #9ca3af; }
@@ -338,6 +342,12 @@ header p { font-size: 0.85rem; opacity: 0.8; }
   font-size: 1rem;
 }
 
+@media (max-width: 479px) {
+  .user-bar { flex-wrap: wrap; }
+  .user-meta { flex-basis: calc(100% - 52px); }
+  .user-bar #admin-btn { margin-left: 52px; }
+}
+
 @media (max-width: 480px) {
   .meal-card {
     display: grid;
diff --git a/src/server/templates/form.html.j2 b/src/server/templates/form.html.j2
index 905eb91..36d94c1 100644
--- a/src/server/templates/form.html.j2
+++ b/src/server/templates/form.html.j2
@@ -51,7 +51,7 @@
   {% if config.authMode == 'google' %}
   <div class="employee-info">
     <div id="user-info">
-      <div class="user-info-row">
+      <div class="user-bar">
         <img id="user-avatar" class="user-avatar is-hidden" alt="">
         <div class="user-meta">
           <div id="user-name" class="user-name"></div>
diff --git a/tests/test_generate_form.py b/tests/test_generate_form.py
index d9a1b0b..9a705b8 100644
--- a/tests/test_generate_form.py
+++ b/tests/test_generate_form.py
@@ -2,6 +2,7 @@
 
 from __future__ import annotations
 
+import base64
 import json
 import re
 import sys
@@ -66,6 +67,21 @@ def _render(*, google: bool = False, api_key: str = "test-key") -> str:
     )
 
 
+def _google_credential() -> str:
+    payload = json.dumps(
+        {
+            "name": "Test Admin",
+            "email": "test-admin@example.com",
+            "picture": (
+                "data:image/svg+xml,"
+                "<svg xmlns='http://www.w3.org/2000/svg' width='40' height='40'/>"
+            ),
+        }
+    ).encode()
+    encoded = base64.urlsafe_b64encode(payload).decode().rstrip("=")
+    return f"e30.{encoded}.signature"
+
+
 class TestGenerateFormStructural:
     def test_local_and_google_render(self):
         local = _render(google=False)
@@ -292,3 +308,165 @@ class TestGenerateFormPlaywright:
             "() => document.getElementById('count-display').textContent === '2 meals'"
         )
         assert page.locator("#total-display").inner_text() == "$10.80"
+
+    @pytest.mark.parametrize("width", [320, 375, 479])
+    def test_local_roster_has_no_horizontal_overflow(self, browser_page, width):
+        page = browser_page
+        page.set_viewport_size({"width": width, "height": 800})
+        dimensions = page.evaluate(
+            """() => ({
+              scrollWidth: document.documentElement.scrollWidth,
+              clientWidth: document.documentElement.clientWidth,
+            })"""
+        )
+        assert dimensions["scrollWidth"] == dimensions["clientWidth"]
+
+
+class TestGenerateFormGooglePlaywright:
+    @pytest.fixture(scope="class")
+    @classmethod
+    def signed_in_admin_page(cls, tmp_path_factory):
+        try:
+            from playwright.sync_api import sync_playwright
+        except ImportError as exc:  # pragma: no cover
+            raise RuntimeError(
+                "playwright package is required; install requirements.txt"
+            ) from exc
+
+        out = tmp_path_factory.mktemp("google-form") / "order-form.html"
+        out.write_text(_render(google=True, api_key=""))
+
+        with sync_playwright() as p:
+            try:
+                browser = p.chromium.launch(headless=True)
+            except Exception as exc:
+                raise RuntimeError(
+                    "Chromium is required for form Playwright tests. "
+                    "Run: playwright install --with-deps chromium"
+                ) from exc
+            try:
+                page = browser.new_page()
+                page.add_init_script(
+                    """window.google = {
+                      accounts: {
+                        id: {
+                          initialize() {},
+                          renderButton() {},
+                          disableAutoSelect() {},
+                        },
+                      },
+                    };"""
+                )
+                page.route(
+                    "https://accounts.google.com/gsi/client",
+                    lambda route: route.abort(),
+                )
+
+                def handle_api(route):
+                    if "/api/form-status/" in route.request.url:
+                        route.fulfill(
+                            status=200,
+                            content_type="application/json",
+                            body='{"status":"open"}',
+                        )
+                    elif "/api/admin/orders" in route.request.url:
+                        route.fulfill(
+                            status=200,
+                            content_type="application/json",
+                            body='{"weeks":["2026-W30"]}',
+                        )
+                    else:
+                        route.fulfill(
+                            status=404,
+                            content_type="application/json",
+                            body="{}",
+                        )
+
+                page.route("https://api.example.com/**", handle_api)
+                page.goto(out.as_uri(), wait_until="domcontentloaded")
+                page.evaluate(
+                    "(credential) => handleCredentialResponse({ credential })",
+                    _google_credential(),
+                )
+                page.locator("#admin-btn").wait_for(state="visible")
+                yield page
+            finally:
+                browser.close()
+
+    @pytest.mark.parametrize("width", [320, 375])
+    def test_signed_in_admin_user_bar_fits_phone_width(
+        self, signed_in_admin_page, width
+    ):
+        page = signed_in_admin_page
+        page.set_viewport_size({"width": width, "height": 800})
+
+        for selector in (
+            "#user-avatar",
+            "#user-name",
+            "#user-email",
+            "#admin-btn",
+            "#sign-out-btn",
+        ):
+            locator = page.locator(selector)
+            assert locator.is_visible()
+            bounds = locator.evaluate(
+                """element => {
+                  const rect = element.getBoundingClientRect();
+                  return {
+                    left: rect.left,
+                    top: rect.top,
+                    right: rect.right,
+                    bottom: rect.bottom,
+                    viewportWidth: window.innerWidth,
+                    viewportHeight: window.innerHeight,
+                  };
+                }"""
+            )
+            assert bounds["left"] >= 0
+            assert bounds["top"] >= 0
+            assert bounds["right"] <= bounds["viewportWidth"]
+            assert bounds["bottom"] <= bounds["viewportHeight"]
+
+        for selector in ("#user-name", "#user-email"):
+            assert page.locator(selector).evaluate(
+                """element =>
+                  element.scrollWidth <= element.clientWidth &&
+                  element.scrollHeight <= element.clientHeight"""
+            )
+        assert page.locator("#admin-btn").is_enabled()
+        assert page.locator("#sign-out-btn").is_enabled()
+
+        dimensions = page.evaluate(
+            """() => ({
+              scrollWidth: document.documentElement.scrollWidth,
+              clientWidth: document.documentElement.clientWidth,
+            })"""
+        )
+        assert dimensions["scrollWidth"] == dimensions["clientWidth"]
+
+    def test_user_bar_stays_single_row_at_480(self, signed_in_admin_page):
+        page = signed_in_admin_page
+        page.set_viewport_size({"width": 480, "height": 800})
+        assert (
+            page.locator(".user-bar").evaluate(
+                "(element) => getComputedStyle(element).flexWrap"
+            )
+            == "nowrap"
+        )
+        dimensions = page.evaluate(
+            """() => ({
+              scrollWidth: document.documentElement.scrollWidth,
+              clientWidth: document.documentElement.clientWidth,
+            })"""
+        )
+        assert dimensions["scrollWidth"] == dimensions["clientWidth"]
+
+    def test_user_bar_wraps_below_shared_mobile_breakpoint(self, signed_in_admin_page):
+        page = signed_in_admin_page
+        page.set_viewport_size({"width": 479, "height": 800})
+        assert (
+            page.locator(".user-bar").evaluate(
+                "(element) => getComputedStyle(element).flexWrap"
+            )
+            == "wrap"
+        )