refactor(DomainManager): improve expand/collapse UI with card style and chevron toggles

- Collapsed state: card style, ChevronDown button, no hover effect
- Expanded state: card style, ChevronUp in header
- Selected domain: 3px left indicator bar with primary color
- Remove bottom toggle areas
- Add expand/collapse translation keys

src/renderer/src/components/DomainManager/DomainManager.tsx

@@ -2,19 +2,14 @@
  * DomainManager Component
  * Main container for domain management
  * Supports collapsed/expanded view
- * Expand/collapse triggered by clicking bottom area
+ * Expand/collapse triggered by clicking header chevron
  */
 
 import React from "react";
-import { Spin, Space } from "antd";
+import { Spin } from "antd";
 import { Button, Tooltip, Avatar, Empty } from "@lobehub/ui";
 import { useTranslation } from "react-i18next";
-import {
+import { Plus, Cloud, ChevronUp, ChevronDown } from "lucide-react";
-  Plus,
-  Cloud,
-  ChevronUp,
-  ChevronDown,
-} from "lucide-react";
 import { createStyles } from "antd-style";
 import { useDomainStore, useUIStore } from "@renderer/stores";
 import DomainList from "./DomainList";
@@ -25,13 +20,17 @@ const useStyles = createStyles(({ token, css }) => ({
     height: 100%;
     display: flex;
     flex-direction: column;
-    background: ${token.colorBgContainer};
+    background: ${token.colorFillSecondary};
+    border-radius: ${token.borderRadiusLG}px;
+    padding: ${token.paddingSM}px;
   `,
   collapsedContainer: css`
     height: 100%;
     display: flex;
     flex-direction: column;
-    background: ${token.colorBgContainer};
+    background: ${token.colorFillSecondary};
+    border-radius: ${token.borderRadiusLG}px;
+    padding: ${token.paddingSM}px;
     position: relative;
   `,
   header: css`
@@ -70,10 +69,6 @@ const useStyles = createStyles(({ token, css }) => ({
     padding: ${token.paddingSM}px ${token.paddingMD}px;
     cursor: pointer;
     transition: background 0.2s;
-
-    &:hover {
-      background: ${token.colorBgTextHover};
-    }
   `,
   collapsedInfo: css`
     display: flex;
@@ -105,31 +100,6 @@ const useStyles = createStyles(({ token, css }) => ({
     font-size: ${token.fontSizeSM}px;
     padding: ${token.paddingSM}px ${token.paddingMD}px;
   `,
-  // Bottom toggle icon - minimal style
-  bottomToggleIcon: css`
-    position: absolute;
-    bottom: 0;
-    left: 0;
-    right: 0;
-    height: 20px;
-    display: flex;
-    align-items: center;
-    justify-content: center;
-    cursor: pointer;
-    color: ${token.colorTextTertiary};
-    font-size: 12px;
-    z-index: 10;
-    opacity: 0.6;
-    transition: all 0.2s;
-
-    &:hover {
-      opacity: 1;
-      background: ${token.colorFillTertiary};
-    }
-  `,
-  bottomToggleVisible: css`
-    opacity: 0.6;
-  `,
 }));
 
 interface DomainManagerProps {
@@ -147,7 +117,6 @@ const DomainManager: React.FC<DomainManagerProps> = ({
   const { domainIconColors } = useUIStore();
   const [formOpen, setFormOpen] = React.useState(false);
   const [editingDomain, setEditingDomain] = React.useState<string | null>(null);
-  const [isHoveringToggle, setIsHoveringToggle] = React.useState(false);
 
   React.useEffect(() => {
     loadDomains();
@@ -177,7 +146,7 @@ const DomainManager: React.FC<DomainManagerProps> = ({
   if (collapsed) {
     return (
       <div className={styles.collapsedContainer}>
-        <div className={styles.collapsedHeader}>
+        <div className={styles.collapsedHeader} onClick={onToggleCollapse}>
           <div className={styles.collapsedInfo}>
             <Avatar
               icon={<Cloud size={14} />}
@@ -203,27 +172,30 @@ const DomainManager: React.FC<DomainManagerProps> = ({
               )}
             </div>
           </div>
-          <Tooltip title={t("addDomain")}>
+          <div className={styles.collapsedActions}>
-            <Button
+            <Tooltip title={t("expand")}>
-              type="text"
+              <Button
-              size="small"
+                type="text"
-              icon={<Plus size={16} />}
+                size="small"
-              onClick={(e) => {
+                icon={<ChevronDown size={16} />}
-                e.stopPropagation();
+                onClick={(e) => {
-                handleAdd();
+                  e.stopPropagation();
-              }}
+                  onToggleCollapse?.();
-            />
+                }}
-          </Tooltip>
+              />
-        </div>
+            </Tooltip>
-
+            <Tooltip title={t("addDomain")}>
-        {/* Bottom toggle icon */}
+              <Button
-        <div
+                type="text"
-          className={`${styles.bottomToggleIcon} ${isHoveringToggle ? styles.bottomToggleVisible : ""}`}
+                size="small"
-          onClick={onToggleCollapse}
+                icon={<Plus size={16} />}
-          onMouseEnter={() => setIsHoveringToggle(true)}
+                onClick={(e) => {
-          onMouseLeave={() => setIsHoveringToggle(false)}
+                  e.stopPropagation();
-        >
+                  handleAdd();
-          <ChevronDown size={16} />
+                }}
+              />
+            </Tooltip>
+          </div>
         </div>
 
         <DomainForm
@@ -237,12 +209,23 @@ const DomainManager: React.FC<DomainManagerProps> = ({
 
   // Expanded view - full list
   return (
-    <div className={styles.container} style={{ position: "relative" }}>
+    <div className={styles.container}>
       <div className={styles.header}>
         <h2 className={styles.title}>{t("domainManagement")}</h2>
         <div className={styles.actions}>
-          <Button type="primary" icon={<Plus size={16} />} onClick={handleAdd}>
+          <Tooltip title={t("collapse")}>
-          </Button>
+            <Button
+              type="text"
+              size="small"
+              icon={<ChevronUp size={16} />}
+              onClick={onToggleCollapse}
+            />
+          </Tooltip>
+          <Button
+            type="primary"
+            icon={<Plus size={16} />}
+            onClick={handleAdd}
+          ></Button>
         </div>
       </div>
 
@@ -252,25 +235,12 @@ const DomainManager: React.FC<DomainManagerProps> = ({
             <Spin size="large" />
           </div>
         ) : domains.length === 0 ? (
-          <Empty
+          <Empty description={t("noDomainConfig")}></Empty>
-            description={t("noDomainConfig")}
-          >
-          </Empty>
         ) : (
           <DomainList onEdit={handleEdit} />
         )}
       </div>
 
-      {/* Bottom toggle icon */}
-      <div
-        className={`${styles.bottomToggleIcon} ${isHoveringToggle ? styles.bottomToggleVisible : ""}`}
-        onClick={onToggleCollapse}
-        onMouseEnter={() => setIsHoveringToggle(true)}
-        onMouseLeave={() => setIsHoveringToggle(false)}
-      >
-        <ChevronUp size={16} />
-      </div>
-
       <DomainForm
         open={formOpen}
         onClose={handleCloseForm}

src/renderer/src/locales/en-US/domain.json

@@ -57,5 +57,7 @@
   "createConnectionFailed": "Connection failed during creation",
   "domainDuplicate": "This domain and username combination already exists",
   "createFailed": "Creation failed",
-  "updateFailed": "Update failed"
+  "updateFailed": "Update failed",
+  "expand": "Expand",
+  "collapse": "Collapse"
 }

src/renderer/src/locales/ja-JP/domain.json

@@ -57,5 +57,7 @@
   "createConnectionFailed": "接続に失敗しました",
   "domainDuplicate": "このドメインとユーザー名の組み合わせは既に存在します",
   "createFailed": "作成に失敗しました",
-  "updateFailed": "更新に失敗しました"
+  "updateFailed": "更新に失敗しました",
+  "expand": "展開",
+  "collapse": "折りたたむ"
 }

src/renderer/src/locales/zh-CN/domain.json

@@ -57,5 +57,7 @@
   "createConnectionFailed": "创建时连接失败",
   "domainDuplicate": "该域名和用户名组合已存在",
   "createFailed": "创建失败",
-  "updateFailed": "更新失败"
+  "updateFailed": "更新失败",
+  "expand": "展开",
+  "collapse": "折叠"
 }