Including of logging information

Web/app.py

@@ -4349,10 +4349,14 @@ def api_library_scan_action():
 
             due_date = now + datetime.timedelta(days=borrow_duration_days)
 
-            it.update_item_status(item_id, False, borrower_name)
+            app.logger.info(f"Library scan action: borrowing item {item_id} for student card {student_card_id} until {due_date.isoformat()}")
             borrower_user = us.get_user_by_student_card(student_card_id)
+            app.logger.info(f"Found borrower user: {borrower_user}")
             if not borrower_user or not borrower_user.get('_id'):
+                app.logger.warning(f"No user found for student card {student_card_id}. Cannot record borrowing in ausleihungen.")
                 return jsonify({'ok': False, 'message': 'Kein Benutzer für diesen Schülerausweis gefunden.'}), 404
+            
+            it.update_item_status(item_id, False, borrower_name)
             au.add_ausleihung(
                 item_id,
                 str(borrower_user['_id']),
@@ -4367,7 +4371,7 @@ def api_library_scan_action():
                     'channel': 'library_scan',
                     'item_id': item_id,
                     'item_name': item_doc.get('Name', ''),
-                    'borrower':borrower_name,
+                    'borrower': borrower_name,
                     'student_card_id': student_card_id,
                     'borrow_duration_days': borrow_duration_days,
                 }

Web/templates/main_admin.html

@@ -266,6 +266,11 @@
         border-radius: 4px;
     }
 
+    .code-search-label {
+        color: #b93845;
+        font-weight: 700;
+    }
+
     .search-button {
         padding: 8px 12px;
         background-color: #007bff;
@@ -284,10 +289,10 @@
     }
 
     #code-search.searching {
-        background-color: #fff3cd;
+        background-color: #fff5f5;
         transition: background-color 0.3s;
-        border: 2px solid #ffc107;
-        box-shadow: 0 0 8px rgba(255, 193, 7, 0.5);
+        border: 2px solid #d65a62;
+        box-shadow: 0 0 8px rgba(190, 55, 66, 0.28);
     }
 
     /* QR Scanner styles */
@@ -564,9 +569,11 @@
    
     .items-navigation {
         display: grid;
-        grid-template-columns: 44px minmax(0, 1fr) 44px;
+        grid-template-columns: 42px minmax(0, 1fr) 42px;
         align-items: center;
-        column-gap: 18px;
+        column-gap: 16px;
+        width: calc(100% + 116px);
+        margin-left: -58px;
         margin-top: 20px;
     }
 
@@ -576,17 +583,39 @@
     }
 
     .navigation-button {
-        background-color: #007bff;
-        color: #fff;
-        border: none;
+        display: inline-flex;
+        align-items: center;
+        justify-content: center;
+        width: 42px;
+        height: 42px;
+        padding: 0;
+        background: var(--ui-surface-soft);
+        color: var(--ui-title);
+        border: 1px solid var(--ui-border);
+        box-shadow: var(--ui-shadow-sm);
         cursor: pointer;
-        padding: 10px;
-        border-radius: 5px;
+        border-radius: 10px;
+        font-size: 1.15rem;
+        font-weight: 700;
+        line-height: 1;
+        transition: transform 160ms ease, box-shadow 160ms ease, background-color 160ms ease, border-color 160ms ease;
         z-index: 1;
     }
 
     .navigation-button:hover {
-        background-color: #0056b3;
+        background: var(--ui-surface);
+        border-color: var(--module-accent-color);
+        box-shadow: var(--ui-shadow-md);
+        transform: translateY(-2px) scale(1.04);
+    }
+
+    .navigation-button:active {
+        transform: translateY(0) scale(0.96);
+    }
+
+    .navigation-button:focus-visible {
+        outline: 3px solid rgba(37, 99, 235, 0.35);
+        outline-offset: 3px;
     }
 
     /* Modal styles */
@@ -749,15 +778,15 @@
     }
 
     .code-match {
-        border: 2px solid #17a2b8 !important;
-        box-shadow: 0 0 15px rgba(23, 162, 184, 0.5) !important;
+        border: 2px solid #d65a62 !important;
+        box-shadow: 0 0 15px rgba(190, 55, 66, 0.28) !important;
         position: relative;
         z-index: 5;
     }
 
     .exact-code-match {
-        border: 3px solid #28a745 !important;
-        box-shadow: 0 0 20px rgba(40, 167, 69, 0.7) !important;
+        border: 3px solid #b93845 !important;
+        box-shadow: 0 0 20px rgba(185, 56, 69, 0.42) !important;
         position: relative;
         z-index: 11;
     }
@@ -1640,6 +1669,8 @@
         /* Navigation buttons mobile */
         .items-navigation {
             display: block !important;
+            width: 100% !important;
+            margin-left: 0 !important;
         }
 
         .navigation-button-slot {
@@ -2510,7 +2541,7 @@ document.addEventListener('DOMContentLoaded', ()=>{
 
             <div class="filter-group search-field">
                 <div class="filter-header">
-                    <label for="code-search">Code suchen:</label>
+                    <label class="code-search-label" for="code-search">Code suchen:</label>
                     <button type="button" class="clear-filter" onclick="clearCodeSearch()">Clear</button>
                 </div>
                 <div class="search-container">