diff --git a/src/langbot/pkg/workspace/invitation_delivery.py b/src/langbot/pkg/workspace/invitation_delivery.py
index a3e2e8c86..75f5f5136 100644
--- a/src/langbot/pkg/workspace/invitation_delivery.py
+++ b/src/langbot/pkg/workspace/invitation_delivery.py
@@ -258,30 +258,80 @@ class InvitationDeliveryService:
+
Join {escaped_workspace} on LangBot Cloud
-
+
You have been invited to join {escaped_workspace} on LangBot Cloud.
-
-
-
- |
- LangBot Cloud
- You’re invited
- |
- |
- You have been invited to collaborate in this Workspace:
- {escaped_workspace}
-
- This invitation expires in 7 days and is bound to the email address that received it.
- If the button does not work, copy and paste this URL into your browser:
- {escaped_link}
- |
- | If you were not expecting this invitation, you can safely ignore this email. |
-
- |
+
+
+
+
+
+
+
+
+ LangBot Cloud
+
+ |
+
+
+
+
+
+ |
+ Workspace invitation
+ You’re invited to collaborate
+ Join your team on LangBot Cloud and start building together in this Workspace.
+
+
+
+ | |
+
+ Workspace
+ {escaped_workspace}
+ |
+
+
+
+
+
+
+
+
+
+
+
+ |
+ For your security, this invitation expires in 7 days and only works for the email address that received it.
+ Open invitation link →
+ |
+
+
+ |
+
+
+ |
+
+
+
+ Sent by LangBot Cloud
+ If you were not expecting this invitation, you can safely ignore this email.
+ |
+
+
+ |
+
'''
diff --git a/tests/unit_tests/workspace/test_invitation_delivery.py b/tests/unit_tests/workspace/test_invitation_delivery.py
index 34a7f5512..4bfd368d6 100644
--- a/tests/unit_tests/workspace/test_invitation_delivery.py
+++ b/tests/unit_tests/workspace/test_invitation_delivery.py
@@ -103,3 +103,21 @@ async def test_cloud_invitation_email_has_branded_html_plain_fallback_and_expiry
assert 'Research & Development' in html
assert 'expires in 7 days' in html
assert 'lbi_secret&next=<unsafe>' in html
+
+
+async def test_cloud_invitation_email_uses_quiet_cloud_lockup_and_compact_fallback_link():
+ service = InvitationDeliveryService(_app({}))
+ link = 'https://cloud.langbot.app/invitations/accept#token=lbi_secret'
+
+ html = service._html("RockChinQ's Workspace", link)
+
+ assert 'https://docs.langbot.app/langbot-logo.png' in html
+ assert 'LangBot Cloud' in html
+ assert 'Workspace invitation' in html
+ assert 'Open invitation link' in html
+ assert 'linear-gradient' not in html
+ assert 'box-shadow' not in html
+ assert 'height="28"' in html
+ assert 'height="32"' in html
+ assert 'margin-top:32px' not in html
+ assert f'>{link}<' not in html