fix: implementation for #75

index.html

@@ -1029,12 +1029,12 @@ Sovereignty and service always.`;
     overlayDismissBtn.textContent = 'Continue to chat (' + countdown + 's)';
 
     // Disable background interaction via inert attribute
-    var mainApp = document.querySelector('.app');
+    var mainApp = document.getElementById('app');
     if (mainApp) mainApp.setAttribute('inert', '');
     // Also hide from assistive tech
-    var chatSection = document.getElementById('chat');
+    var chatSection = document.getElementById('chat-area');
     if (chatSection) chatSection.setAttribute('aria-hidden', 'true');
-    var footerEl = document.querySelector('footer');
+    var footerEl = document.getElementById('footer');
     if (footerEl) footerEl.setAttribute('aria-hidden', 'true');
 
     if (overlayTimer) clearInterval(overlayTimer);
@@ -1050,7 +1050,10 @@ Sovereignty and service always.`;
       }
     }, 1000);
 
-    overlayDismissBtn.focus();
+    var overlayCallLink = crisisOverlay.querySelector('.overlay-call');
+    if (overlayCallLink && typeof overlayCallLink.focus === 'function') {
+      overlayCallLink.focus();
+    }
   }
 
   // Register focus trap on document (always listening, gated by class check)
@@ -1065,11 +1068,11 @@ Sovereignty and service always.`;
       }
 
       // Re-enable background interaction
-      var mainApp = document.querySelector('.app');
+      var mainApp = document.getElementById('app');
       if (mainApp) mainApp.removeAttribute('inert');
-      var chatSection = document.getElementById('chat');
+      var chatSection = document.getElementById('chat-area');
       if (chatSection) chatSection.removeAttribute('aria-hidden');
-      var footerEl = document.querySelector('footer');
+      var footerEl = document.getElementById('footer');
       if (footerEl) footerEl.removeAttribute('aria-hidden');
 
       // Restore focus to the element that had it before the overlay opened

tests/test_crisis_overlay_initial_focus.py

@@ -0,0 +1,55 @@
+import pathlib
+import re
+import unittest
+
+ROOT = pathlib.Path(__file__).resolve().parents[1]
+INDEX_HTML = ROOT / 'index.html'
+
+
+class TestCrisisOverlayInitialFocus(unittest.TestCase):
+    @classmethod
+    def setUpClass(cls):
+        cls.html = INDEX_HTML.read_text()
+
+    def test_overlay_focuses_enabled_call_link_on_open(self):
+        self.assertRegex(
+            self.html,
+            r"overlayCallLink\s*=\s*crisisOverlay\.querySelector\('\.overlay-call'\)",
+            'Expected showOverlay() to capture the enabled 988 call link as the initial focus target.',
+        )
+        self.assertRegex(
+            self.html,
+            r"overlayCallLink\.focus\(\)",
+            'Expected showOverlay() to focus the enabled 988 call link on open.',
+        )
+        self.assertNotRegex(
+            self.html,
+            r"overlayDismissBtn\.focus\(\)",
+            'Initial focus should not target the disabled dismiss button.',
+        )
+
+    def test_overlay_uses_live_dom_targets_for_background_locking(self):
+        self.assertRegex(
+            self.html,
+            r"document\.getElementById\('app'\)",
+            'Expected overlay to inert the live #app container.',
+        )
+        self.assertRegex(
+            self.html,
+            r"document\.getElementById\('chat-area'\)",
+            'Expected overlay to hide the live #chat-area region from assistive tech while active.',
+        )
+        self.assertNotRegex(
+            self.html,
+            r"document\.querySelector\('\.app'\)",
+            'The overlay should not target a nonexistent .app selector.',
+        )
+        self.assertNotRegex(
+            self.html,
+            r"document\.getElementById\('chat'\)",
+            'The overlay should not target a nonexistent #chat region.',
+        )
+
+
+if __name__ == '__main__':
+    unittest.main()