diff --git a/heart/dashboard.py b/heart/dashboard.py
index 87ef3ac..0274197 100644
--- a/heart/dashboard.py
+++ b/heart/dashboard.py
@@ -1284,7 +1284,15 @@ def _html_reason(item: dict) -> str:
 ul.det{margin:.35rem 0 0;padding-left:1.1rem;color:var(--muted);
  font-size:.85rem}
 .ago{color:var(--muted)}
-a.out{font-size:.85rem;white-space:nowrap}
+/* The out-links carry DATA in their labels — `<repo> run`, and this org's
+   longest repo name is 36 characters. `nowrap` made one of those a single
+   unbreakable 500px word, which set the summary column's min-content width
+   and pushed the whole page sideways on a phone (measured: a 375px viewport
+   scrolling to 521px). Nothing is lost by letting them wrap: a short label
+   like `run ↗` has no wrap opportunity to take, and a long one should break
+   rather than break the page. The shared theme's `overflow-wrap` does the
+   rest. */
+a.out{font-size:.85rem}
 .stale{background:var(--btn);border:1px solid var(--warn);color:var(--warn);
  padding:.55rem .75rem;border-radius:8px}
 .reasons{margin:1.5rem 0}
diff --git a/tests/test_dashboard.py b/tests/test_dashboard.py
index fcff740..998b01e 100644
--- a/tests/test_dashboard.py
+++ b/tests/test_dashboard.py
@@ -840,3 +840,18 @@ def test_html_wears_the_shared_family_theme():
     assert t.ORGANS[dashboard.BOARD_KEY]["tagline"] in out
     assert t.ORGANS[dashboard.BOARD_KEY]["ink_dark"] in out
     assert "#58a6ff" not in out  # the old hard-coded GitHub blue
+
+
+def test_a_long_out_link_label_cannot_push_the_page_sideways():
+    """The out-links carry DATA in their labels (`<repo> run`), and this org's
+    longest repo name is 36 characters. Under `white-space:nowrap` that was a
+    single unbreakable ~500px word: it set the summary column's min-content
+    width and scrolled the whole board sideways on a phone (a 375px viewport
+    measured 521px). Short labels have no wrap opportunity to take, so nothing
+    is lost by letting them break."""
+    out = dashboard.render(
+        _failing_snapshot() if "_failing_snapshot" in globals() else make_snapshot(),
+        make_verdict("red", 40, red_reasons=["RepoA: CI failure"]),
+        fmt="html", now=FRESH_NOW)
+    rule = re.search(r"a\.out\{[^}]*\}", out).group(0)
+    assert "nowrap" not in rule