refactor: Update chat tree styles for improved layout and responsiveness, including width adjustments and overflow handling

Author: experdot

src/renderer/src/components/layout/sidebar_items/chat/tree-styles.css

@@ -2,19 +2,32 @@
   overflow: hidden;
 }
 
+/* Ant Design Tree 样式覆盖 */
+.chat-history-tree .ant-tree-treenode {
+  width: 100%;
+}
+
+.chat-history-tree .ant-tree-node-content-wrapper {
+  flex: 1;
+  min-width: 0;
+  overflow: hidden;
+}
+
+.chat-history-tree .ant-tree-title {
+  width: 100%;
+  overflow: hidden;
+}
+
 .tree-node {
   position: relative;
   display: flex;
   align-items: center;
-  justify-content: space-between;
   padding: 4px 8px;
   border-radius: 4px;
   transition: all 0.2s;
   cursor: pointer;
-}
-
-.tree-node:hover {
-  background-color: #f5f5f5;
+  width: 100%;
+  box-sizing: border-box;
 }
 
 .tree-node-content {
@@ -23,17 +36,15 @@
   flex: 1;
   min-width: 0;
   gap: 8px;
-}
-
-.tree-node-icon {
-  flex-shrink: 0;
-  color: #666;
+  overflow: hidden;
 }
 
 .tree-node-title {
   flex: 1;
   min-width: 0;
   overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
 }
 
 .tree-node-actions {
@@ -42,91 +53,16 @@
   gap: 4px;
   opacity: 0;
   transition: opacity 0.2s;
+  flex-shrink: 0;
+  margin-left: 8px;
 }
 
 .tree-node:hover .tree-node-actions {
   opacity: 1;
 }
 
-.tree-node-folder {
-  font-weight: 500;
-}
-
-.tree-node-chat {
-  font-weight: normal;
-}
-
-/* Antd Tree customizations */
-.ant-tree .ant-tree-node-content-wrapper {
-  padding: 0;
-}
-
-.ant-tree .ant-tree-title {
-  width: 100%;
-}
-
-.ant-tree .ant-tree-node-selected {
-  background-color: #e6f7ff !important;
-}
-
-.ant-tree .ant-tree-node-selected .tree-node {
-  background-color: #e6f7ff;
-}
-
-
-@keyframes pulse {
-  0% {
-    opacity: 1;
-  }
-  50% {
-    opacity: 0.7;
-  }
-  100% {
-    opacity: 1;
-  }
-}
-
-/* 拖拽相关样式 */
-.ant-tree-drag-over {
-  background-color: #e6f7ff !important;
-}
-
-.ant-tree-drag-over-gap-top {
-  border-top: 2px solid #1890ff !important;
-}
-
-.ant-tree-drag-over-gap-bottom {
-  border-bottom: 2px solid #1890ff !important;
-}
-
-.ant-tree-draggable-icon {
-  color: #1890ff;
-  cursor: grab;
-}
-
-.ant-tree-draggable-icon:active {
-  cursor: grabbing;
-}
-
-.ant-tree .ant-tree-node-content-wrapper.ant-tree-node-selected {
-  background-color: #e6f7ff;
-}
-
-/* 拖拽时的ghost样式 */
-.ant-tree-drag-ghost {
-  opacity: 0.5;
-  background-color: #f0f0f0;
-  border: 1px dashed #d9d9d9;
-  border-radius: 4px;
-  padding: 4px 8px;
-}
-
-/* 拖拽提示样式 */
-.ant-tree-drop-indicator {
-  height: 2px;
-  background-color: #1890ff;
-  position: absolute;
-  left: 0;
-  right: 0;
-  z-index: 1;
+.tree-node-icon {
+  display: flex;
+  align-items: center;
+  flex-shrink: 0;
 }