add delete confirm, cancel shortcut + batch operations

css/style.css

@@ -214,4 +214,65 @@ input:focus, select:focus { border-color:var(--accent); }
   #entriesContainer.grid-view { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
   .toolbar { flex-direction:column; }
   .folders-bar { flex-direction:column; align-items:stretch; }
+}
+
+/* Floating action button */
+.fab {
+  position: fixed; bottom: 2rem; right: 2rem;
+  width: 56px; height: 56px; border-radius: 50%;
+  background: var(--accent); color: #fff; border: none;
+  font-size: 1.8rem; cursor: pointer; box-shadow: 0 8px 20px rgba(0,0,0,0.4);
+  display: flex; align-items: center; justify-content: center;
+  transition: 0.2s; z-index: 100;
+}
+.fab:hover { transform: scale(1.1); filter: brightness(1.1); }
+
+/* Generic modal overlay (if you don’t already have it) */
+.modal-overlay {
+  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
+  background: rgba(0,0,0,0.7); display: none;
+  justify-content: center; align-items: center; z-index: 1001;
+}
+.modal-overlay.show { display: flex; }
+
+/* Modal box (used by both edit and add modals) */
+.modal-box {
+  background: var(--bg2); border-radius: 1.5rem; padding: 1.5rem;
+  min-width: 380px; max-width: 90%;
+}
+.modal-box h3 { margin-bottom: 1rem; color: var(--text); }
+.modal-box label { color: var(--text2); font-size: 0.8rem; display: block; margin-bottom: 0.2rem; }
+.modal-box input, .modal-box select { width: 100%; margin-bottom: 0.5rem; }
+/* Batch select */
+.select-checkbox {
+    position: absolute;
+    top: 6px;
+    left: 6px;
+    z-index: 2;
+    accent-color: var(--accent);
+}
+.batch-actions {
+    position: fixed;
+    bottom: 20px;
+    left: 50%;
+    transform: translateX(-50%);
+    background: var(--bg2);
+    border: 1px solid var(--accent);
+    border-radius: 2rem;
+    padding: 0.5rem 1.5rem;
+    display: flex;
+    gap: 0.8rem;
+    align-items: center;
+    z-index: 1000;
+    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
+    font-size: 0.85rem;
+    color: var(--text);
+}
+.batch-actions button {
+    font-size: 0.78rem;
+    padding: 0.35rem 0.8rem;
+}
+.selected-count {
+    font-weight: 600;
+    color: var(--accent);
 }