diff --git a/frontend/dashboard.css b/frontend/dashboard.css
index 54fb8bf..fbebfe3 100644
--- a/frontend/dashboard.css
+++ b/frontend/dashboard.css
@@ -1191,6 +1191,7 @@ textarea { resize: vertical; min-height: 120px; }
 @media (max-width: 600px) {
   body { padding-bottom:calc(66px + env(safe-area-inset-bottom)); }
   body.mobile-today-active { padding-bottom:calc(var(--mobile-today-clearance, 166px) + env(safe-area-inset-bottom)); }
+  body:has(.mobile-today-hud:not([hidden]):not([data-overlay-hidden="true"])) { padding-bottom:calc(var(--mobile-today-clearance, 166px) + env(safe-area-inset-bottom)); }
   header { min-height:56px; max-height:64px; padding:6px 10px; align-items:center; gap:8px; background:rgba(11,21,38,.98); }
   .app-brand .muted, #clock { display:none; }
   .app-live-status { margin-left:auto; }
diff --git a/tests/test_mobile_today_command_bar.py b/tests/test_mobile_today_command_bar.py
index 1f56b3f..769a810 100644
--- a/tests/test_mobile_today_command_bar.py
+++ b/tests/test_mobile_today_command_bar.py
@@ -129,6 +129,15 @@ process.stdout.write(JSON.stringify(values));
     assert result == {"--mobile-today-clearance": "168px"}
 
 
+def test_visible_mobile_today_hud_reserves_measured_scroll_clearance_without_timer_class():
+    css = (FRONTEND / "dashboard.css").read_text()
+
+    assert (
+        'body:has(.mobile-today-hud:not([hidden]):not([data-overlay-hidden="true"])) '
+        "{ padding-bottom:calc(var(--mobile-today-clearance, 166px)"
+    ) in css
+
+
 def test_mobile_command_bar_keeps_primary_actions_visible_and_secondary_actions_modal():
     html = (FRONTEND / "index.html").read_text()
     css = (FRONTEND / "dashboard.css").read_text()