feat(mobile): admin bar widoczny na mobilce/PWA z tap-to-open dropdownami

Admin bar był ukryty na mobile (display:none). Teraz jest widoczny
ze scroll horyzontalnym i dropdowny otwierają się na tap zamiast hover.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

templates/base.html

@@ -505,7 +505,8 @@
             z-index: 300;
         }
 
-        .admin-dropdown:hover .admin-dropdown-menu {
+        .admin-dropdown:hover .admin-dropdown-menu,
+        .admin-dropdown.open .admin-dropdown-menu {
             display: block;
         }
 
@@ -538,7 +539,20 @@
 
         @media (max-width: 768px) {
             .admin-bar {
-                display: none;
+                overflow-x: auto;
+                -webkit-overflow-scrolling: touch;
+            }
+            .admin-bar-inner {
+                min-width: max-content;
+            }
+            .admin-bar-label {
+                font-size: 10px;
+                padding: 8px 8px 8px 0;
+            }
+            .admin-dropdown-trigger {
+                font-size: 12px;
+                padding: 8px 10px;
+                white-space: nowrap;
             }
         }
 
@@ -2418,6 +2432,25 @@
             }
         }
 
+        // Admin bar mobile touch support
+        document.querySelectorAll('.admin-dropdown-trigger').forEach(function(trigger) {
+            trigger.addEventListener('click', function(e) {
+                if (window.innerWidth <= 768) {
+                    e.preventDefault();
+                    e.stopPropagation();
+                    var dropdown = this.closest('.admin-dropdown');
+                    var wasOpen = dropdown.classList.contains('open');
+                    document.querySelectorAll('.admin-dropdown.open').forEach(function(d) { d.classList.remove('open'); });
+                    if (!wasOpen) dropdown.classList.add('open');
+                }
+            });
+        });
+        document.addEventListener('click', function(e) {
+            if (!e.target.closest('.admin-dropdown')) {
+                document.querySelectorAll('.admin-dropdown.open').forEach(function(d) { d.classList.remove('open'); });
+            }
+        });
+
         {% block extra_js %}{% endblock %}
     </script>