(UI improved) Notes for Clients, Groups, Centers rendered properly (#2633)

- Fixed rendering issues in Notes for Clients, Groups, and Centers
- Removed unnecessary mat-list and mat-item usage
- Improved UI consistency across entities

src/app/shared/tabs/entity-notes-tab/entity-notes-tab.component.scss

@@ -1,26 +1,200 @@
+/* Hidden elements */
+.hidden-mat-list {
+  display: none;
+}
+
 .tab-container {
-  padding: 1%;
-  margin: 1%;
+  padding: 2rem;
 }
 
-.list-item-content {
+.tab-container h3 {
+  margin-bottom: 20px;
+  color: #333;
+  font-weight: 500;
+}
+
+.add-note-section {
+  margin-bottom: 10px;
+  padding-bottom: 10px;
+}
+
+.layout-row {
   display: flex;
-  align-items: center;
-  width: 100%;
-}
-
-.note-details {
-  font-size: 14px;
-}
-
-.left-section {
-  display: flex;
-  align-items: center;
+  align-items: flex-start;
   gap: 10px;
 }
 
-.right-section {
-  margin-left: auto;
+.layout-row.align-start-baseline {
+  align-items: baseline;
+}
+
+.layout-row.gap-10px {
+  gap: 10px;
+}
+
+.flex-85-minus-20px {
+  flex: 1;
+  min-width: 300px;
+}
+
+.flex-1 {
+  flex: none;
+  white-space: nowrap;
+}
+
+.note-card {
+  background: white;
+  border: 1px solid #e0e0e0;
+  border-radius: 0.2rem;
+  padding: 1rem;
+  margin-bottom: 1rem;
+  box-shadow: 0 2px 4px rgb(0 0 0 / 8%);
+  transition: all 0.2s ease;
+}
+
+.note-card:hover {
+  box-shadow: 0 4px 8px rgb(0 0 0 / 12%);
+  border-color: #d0d0d0;
+}
+
+.note-content {
+  color: #333;
+  font-size: 14px;
+  line-height: 1rem;
+  margin: 0;
+  margin-bottom: 16px;
+  padding: 0.5rem;
+  word-wrap: break-word;
+  white-space: normal;
+  text-indent: 0;
+  text-align: left;
+}
+
+.note-footer {
   display: flex;
-  gap: 4px;
+  justify-content: space-between;
+  align-items: center;
+  padding-top: 0.65rem;
+  border-top: 1px solid #f0f0f0;
+}
+
+.note-meta {
+  color: #666;
+  font-size: 12px;
+}
+
+.created-by {
+  font-weight: 500;
+  color: #007acc;
+  margin-bottom: 2px;
+}
+
+.created-date {
+  color: #888;
+}
+
+.note-actions {
+  display: flex;
+  gap: 8px;
+}
+
+.edit-btn,
+.delete-btn {
+  border: 1px solid #dee2e6;
+  padding: 8px 14px;
+  border-radius: 4px;
+  font-size: 14px;
+  cursor: pointer;
+  transition: all 0.2s ease;
+  background: none;
+  outline: none;
+}
+
+.edit-btn {
+  color: #6c757d;
+  background-color: #daedff;
+}
+
+.delete-btn {
+  color: #dc3545;
+  background-color: #ffcfcf;
+}
+
+.edit-btn:disabled,
+.delete-btn:disabled {
+  opacity: 0.5;
+  cursor: not-allowed;
+}
+
+.edit-btn:hover:not(:disabled) {
+  background-color: #a8d4ff;
+  color: #495057;
+  border-color: #adb5bd;
+}
+
+.delete-btn:hover:not(:disabled) {
+  background-color: #f5c6cb;
+  color: #721c24;
+  border-color: #ff9ca5;
+}
+
+.empty-state {
+  text-align: center;
+  padding: 40px 20px;
+  color: #666;
+  font-style: italic;
+  background: #fafafa;
+  border-radius: 8px;
+  border: 1px dashed #ddd;
+}
+
+.m-r-10 {
+  margin-right: 10px;
+}
+
+@media (width <= 768px) {
+  .tab-container {
+    padding: 16px;
+  }
+
+  .layout-row {
+    flex-direction: column;
+    align-items: stretch;
+    gap: 15px;
+  }
+
+  .flex-85-minus-20px,
+  .flex-1 {
+    width: 100%;
+  }
+
+  .note-card {
+    padding: 16px;
+    margin-bottom: 12px;
+  }
+
+  .note-content {
+    font-size: 13px;
+    margin-bottom: 12px;
+  }
+
+  .note-footer {
+    flex-direction: column;
+    align-items: flex-start;
+    gap: 12px;
+  }
+
+  .edit-btn,
+  .delete-btn {
+    padding: 5px 10px;
+    font-size: 11px;
+  }
+
+  .note-meta {
+    width: 100%;
+  }
+
+  .note-actions {
+    align-self: flex-end;
+  }
 }