Implement bulk delete drawer functionality with UI enhancements

Web/templates/main_admin.html

@@ -26,20 +26,49 @@
         font-weight: 600;
     }
 
-    .bulk-delete-toolbar {
+    .bulk-delete-drawer-toggle {
-        display: flex;
+        position: fixed;
-        flex-wrap: wrap;
+        right: 0;
-        gap: 12px;
+        top: 46%;
-        justify-content: space-between;
+        transform: translateY(-50%);
-        align-items: center;
+        z-index: 220;
-        border: 1px solid #f2c4c4;
+        border: none;
-        background: #fff8f8;
+        border-radius: 10px 0 0 10px;
-        border-radius: 8px;
+        padding: 10px 10px 10px 8px;
-        padding: 12px 14px;
+        background: #dc3545;
-        margin: 0 0 18px;
+        color: #fff;
+        font-weight: 700;
+        font-size: 0.85rem;
+        letter-spacing: 0.02em;
+        cursor: pointer;
+        box-shadow: 0 8px 18px rgba(220, 53, 69, 0.22);
     }
 
-    .bulk-delete-toolbar strong {
+    .bulk-delete-drawer-toggle .drawer-icon {
+        display: inline-block;
+        margin-right: 4px;
+    }
+
+    .bulk-delete-drawer {
+        position: fixed;
+        right: 12px;
+        top: 50%;
+        transform: translate(120%, -50%);
+        width: min(360px, calc(100vw - 24px));
+        z-index: 219;
+        border: 1px solid #f2c4c4;
+        background: #fff8f8;
+        border-radius: 14px;
+        padding: 14px;
+        box-shadow: 0 18px 34px rgba(0, 0, 0, 0.12);
+        transition: transform 0.25s ease;
+    }
+
+    .bulk-delete-drawer.open {
+        transform: translate(0, -50%);
+    }
+
+    .bulk-delete-drawer strong {
         display: block;
         margin-bottom: 2px;
     }
@@ -50,25 +79,28 @@
         margin-top: 4px;
     }
 
-    .bulk-delete-toolbar small {
+    .bulk-delete-drawer small {
         color: #7a4a4a;
         display: block;
         margin-top: 2px;
+        line-height: 1.35;
     }
 
     .bulk-delete-actions {
         display: flex;
-        flex-wrap: wrap;
+        flex-direction: column;
         gap: 8px;
+        margin-top: 12px;
     }
 
     .bulk-delete-actions button {
         border: 1px solid #cfd8dc;
-        border-radius: 6px;
+        border-radius: 8px;
-        padding: 8px 12px;
+        padding: 9px 12px;
         cursor: pointer;
         background: #fff;
         font-weight: 600;
+        text-align: left;
     }
 
     .bulk-delete-actions .danger {
@@ -339,6 +371,18 @@
         cursor: pointer;
     }
 
+    .bulk-delete-drawer-overlay {
+        position: fixed;
+        inset: 0;
+        background: rgba(15, 23, 42, 0.18);
+        z-index: 218;
+        display: none;
+    }
+
+    .bulk-delete-drawer-overlay.open {
+        display: block;
+    }
+
     .item-card .item-image {
         width: 100%;
         height: auto;
@@ -2194,12 +2238,14 @@ document.addEventListener('DOMContentLoaded', ()=>{
             </div>
         </h1>
         <div id="items-indicator" class="items-indicator">Objekte im System: 0</div>
-        <div class="bulk-delete-toolbar">
+        <button type="button" id="bulk-delete-drawer-toggle" class="bulk-delete-drawer-toggle" aria-expanded="false" onclick="toggleBulkDeleteDrawer()">
-            <div>
+            <span class="drawer-icon">🗑</span> Löschen
-                <strong>Massenlöschung nach Kriterien</strong>
+        </button>
-                <div class="bulk-delete-summary" id="bulk-delete-summary">0 Elemente ausgewählt</div>
+        <div id="bulk-delete-drawer-overlay" class="bulk-delete-drawer-overlay" onclick="setBulkDeleteDrawer(false)"></div>
-                <small>Filter zuerst setzen, dann alle sichtbaren Elemente markieren oder einzelne Karten per Checkbox auswählen.</small>
+        <div id="bulk-delete-drawer" class="bulk-delete-drawer" aria-hidden="true">
-            </div>
+            <strong>Massenlöschung nach Kriterien</strong>
+            <div class="bulk-delete-summary" id="bulk-delete-summary">0 Elemente ausgewählt</div>
+            <small>Filter zuerst setzen, dann alle sichtbaren Elemente markieren oder einzelne Karten per Checkbox auswählen.</small>
             <div class="bulk-delete-actions">
                 <button type="button" onclick="selectVisibleItems()">Alle sichtbaren auswählen</button>
                 <button type="button" onclick="clearBulkSelection()">Auswahl leeren</button>
@@ -2587,6 +2633,7 @@ document.addEventListener('DOMContentLoaded', ()=>{
     let currentUsername = '';
     let allItems = []; // Cache for all items
     let bulkDeleteSelection = new Set();
+    let bulkDeleteDrawerOpen = false;
     const studentCardsModuleEnabled = {{ 'true' if student_cards_module_enabled else 'false' }};
     const studentDefaultBorrowDays = {{ student_default_borrow_days|default(14) }};
     const studentMaxBorrowDays = {{ student_max_borrow_days|default(365) }};
@@ -2932,6 +2979,28 @@ document.addEventListener('DOMContentLoaded', ()=>{
         }
     }
 
+    function setBulkDeleteDrawer(open) {
+        bulkDeleteDrawerOpen = Boolean(open);
+        const drawer = document.getElementById('bulk-delete-drawer');
+        const overlay = document.getElementById('bulk-delete-drawer-overlay');
+        const toggle = document.getElementById('bulk-delete-drawer-toggle');
+        if (drawer) {
+            drawer.classList.toggle('open', bulkDeleteDrawerOpen);
+            drawer.setAttribute('aria-hidden', bulkDeleteDrawerOpen ? 'false' : 'true');
+        }
+        if (overlay) {
+            overlay.classList.toggle('open', bulkDeleteDrawerOpen);
+        }
+        if (toggle) {
+            toggle.setAttribute('aria-expanded', bulkDeleteDrawerOpen ? 'true' : 'false');
+            toggle.innerHTML = bulkDeleteDrawerOpen ? '<span class="drawer-icon">✕</span> Löschung' : '<span class="drawer-icon">🗑</span> Löschen';
+        }
+    }
+
+    function toggleBulkDeleteDrawer() {
+        setBulkDeleteDrawer(!bulkDeleteDrawerOpen);
+    }
+
     function setBulkDeleteSelection(itemId, checked) {
         const normalizedId = String(itemId || '').trim();
         if (!normalizedId) {
@@ -2988,6 +3057,12 @@ document.addEventListener('DOMContentLoaded', ()=>{
         updateBulkDeleteSummary();
     }
 
+    document.addEventListener('keydown', function(event) {
+        if (event.key === 'Escape' && bulkDeleteDrawerOpen) {
+            setBulkDeleteDrawer(false);
+        }
+    });
+
     function deleteSelectedItems() {
         const selectedIds = [...bulkDeleteSelection];
         if (selectedIds.length === 0) {