diff --git a/.memory/worklog.json b/.memory/worklog.json
index 41adf0f..b87755b 100644
--- a/.memory/worklog.json
+++ b/.memory/worklog.json
@@ -1,71 +1,90 @@
 {
-  "entries" : [
+  "entries": [
     {
-      "files_changed" : 0,
-      "hash" : "",
-      "message" : "项目创建: AI玩具专利生成工作流",
-      "ts" : "2026-05-18T00:00:00+08:00",
-      "type" : "milestone"
+      "files_changed": 0,
+      "hash": "",
+      "message": "项目创建: AI玩具专利生成工作流",
+      "ts": "2026-05-18T00:00:00+08:00",
+      "type": "milestone"
     },
     {
-      "files_changed" : 6,
-      "hash" : "5e4c6e5",
-      "message" : "init: project scaffold",
-      "ts" : "2026-05-18T10:35:02+08:00",
-      "type" : "commit"
+      "files_changed": 6,
+      "hash": "5e4c6e5",
+      "message": "init: project scaffold",
+      "ts": "2026-05-18T10:35:02+08:00",
+      "type": "commit"
     },
     {
-      "files_changed" : 4,
-      "hash" : "0accb73",
-      "message" : "auto-save 2026-05-18 10:39 (+1, ~1)",
-      "ts" : "2026-05-18T10:39:25+08:00",
-      "type" : "commit"
+      "files_changed": 4,
+      "hash": "0accb73",
+      "message": "auto-save 2026-05-18 10:39 (+1, ~1)",
+      "ts": "2026-05-18T10:39:25+08:00",
+      "type": "commit"
     },
     {
-      "files_changed" : 20,
-      "hash" : "494779d",
-      "message" : "auto-save 2026-05-18 10:44 (+6, ~2)",
-      "ts" : "2026-05-18T10:46:21+08:00",
-      "type" : "commit"
+      "files_changed": 20,
+      "hash": "494779d",
+      "message": "auto-save 2026-05-18 10:44 (+6, ~2)",
+      "ts": "2026-05-18T10:46:21+08:00",
+      "type": "commit"
     },
     {
-      "files_changed" : 4,
-      "hash" : "aa5cac1",
-      "message" : "auto-save 2026-05-18 10:53 (+2, ~2)",
-      "ts" : "2026-05-18T10:53:53+08:00",
-      "type" : "commit"
+      "files_changed": 4,
+      "hash": "aa5cac1",
+      "message": "auto-save 2026-05-18 10:53 (+2, ~2)",
+      "ts": "2026-05-18T10:53:53+08:00",
+      "type": "commit"
     },
     {
-      "files_changed" : 3,
-      "hash" : "8e1147c",
-      "message" : "feat: MVP 跑通 — prompt → 批量生成 → 九宫格快筛 → 选中落盘",
-      "ts" : "2026-05-18T11:07:53+08:00",
-      "type" : "commit"
+      "files_changed": 3,
+      "hash": "8e1147c",
+      "message": "feat: MVP 跑通 — prompt → 批量生成 → 九宫格快筛 → 选中落盘",
+      "ts": "2026-05-18T11:07:53+08:00",
+      "type": "commit"
     },
     {
-      "files_changed" : 1,
-      "message" : "启动 Codex 接力会话 · 已载入 Claude 最近会话，等待下一条指令 · 分支 master · 1 项未提交变更 · 最近提交：feat: MVP 跑通 — prompt → 批量生成 → 九宫格快筛 → 选中落盘",
-      "ts" : "2026-05-18T15:13:48Z",
-      "type" : "assistant-session"
+      "files_changed": 1,
+      "message": "启动 Codex 接力会话 · 已载入 Claude 最近会话，等待下一条指令 · 分支 master · 1 项未提交变更 · 最近提交：feat: MVP 跑通 — prompt → 批量生成 → 九宫格快筛 → 选中落盘",
+      "ts": "2026-05-18T15:13:48Z",
+      "type": "assistant-session"
     },
     {
-      "files_changed" : 1,
-      "message" : "启动 Cursor 接力会话 · 已载入 Claude 最近会话，等待下一条指令 · 分支 master · 1 项未提交变更 · 最近提交：feat: MVP 跑通 — prompt → 批量生成 → 九宫格快筛 → 选中落盘",
-      "ts" : "2026-05-18T15:14:10Z",
-      "type" : "assistant-session"
+      "files_changed": 1,
+      "message": "启动 Cursor 接力会话 · 已载入 Claude 最近会话，等待下一条指令 · 分支 master · 1 项未提交变更 · 最近提交：feat: MVP 跑通 — prompt → 批量生成 → 九宫格快筛 → 选中落盘",
+      "ts": "2026-05-18T15:14:10Z",
+      "type": "assistant-session"
     },
     {
-      "files_changed" : 2,
-      "hash" : "e3555da",
-      "message" : "auto-save 2026-05-18 23:15 (+1, ~1)",
-      "ts" : "2026-05-18T23:15:09+08:00",
-      "type" : "commit"
+      "files_changed": 2,
+      "hash": "e3555da",
+      "message": "auto-save 2026-05-18 23:15 (+1, ~1)",
+      "ts": "2026-05-18T23:15:09+08:00",
+      "type": "commit"
     },
     {
-      "files_changed" : 2,
-      "message" : "启动 Claude 接力会话 · 已载入 Claude / Codex 最近会话，等待下一条指令 · 分支 master · 2 项未提交变更 · 最近提交：auto-save 2026-05-18 23:15 (+1, ~1)",
-      "ts" : "2026-05-18T15:16:48Z",
-      "type" : "assistant-session"
+      "files_changed": 2,
+      "message": "启动 Claude 接力会话 · 已载入 Claude / Codex 最近会话，等待下一条指令 · 分支 master · 2 项未提交变更 · 最近提交：auto-save 2026-05-18 23:15 (+1, ~1)",
+      "ts": "2026-05-18T15:16:48Z",
+      "type": "assistant-session"
+    },
+    {
+      "ts": "2026-05-18T23:22:17+08:00",
+      "type": "commit",
+      "message": "auto-save 2026-05-18 23:20 (~3)",
+      "hash": "446e012",
+      "files_changed": 3
+    },
+    {
+      "ts": "2026-05-18T15:23:50Z",
+      "type": "session-heartbeat",
+      "message": "Codex 会话活跃 · 最近命令：codex · 分支 master · 4 项未提交变更 · 最近提交：auto-save 2026-05-18 23:20 (~3)",
+      "files_changed": 4
+    },
+    {
+      "ts": "2026-05-18T15:26:50Z",
+      "type": "session-heartbeat",
+      "message": "Claude 会话活跃 · 最近命令：claude · 分支 master · 6 项未提交变更 · 最近提交：auto-save 2026-05-18 23:20 (~3)",
+      "files_changed": 6
     }
   ]
 }
diff --git a/.playwright-mcp/page-2026-05-18T15-28-17-188Z.yml b/.playwright-mcp/page-2026-05-18T15-28-17-188Z.yml
new file mode 100644
index 0000000..d9e7e49
--- /dev/null
+++ b/.playwright-mcp/page-2026-05-18T15-28-17-188Z.yml
@@ -0,0 +1,51 @@
+- generic [active] [ref=e1]:
+  - generic [ref=e2]:
+    - complementary [ref=e3]:
+      - generic [ref=e4]:
+        - button "新会话" [ref=e5] [cursor=pointer]:
+          - img [ref=e6]
+          - text: 新会话
+        - button "收起侧栏" [ref=e8] [cursor=pointer]:
+          - img [ref=e9]
+      - generic [ref=e11]: 最近
+      - generic [ref=e13]: 还没有生成记录
+    - main [ref=e14]:
+      - generic [ref=e15]:
+        - generic [ref=e16]:
+          - generic [ref=e17]:
+            - heading "AI 玩具专利生成工作流" [level=1] [ref=e18]
+            - paragraph [ref=e19]: 批量出意向 → 快筛 → 多角度尺寸 → 喂专利
+          - generic [ref=e21]: "?"
+        - generic [ref=e24]:
+          - generic [ref=e25]:
+            - generic [ref=e26]: Prompt
+            - textbox "描述要生成的玩具意向…" [ref=e27]: AI 毛绒陪伴玩具，机甲头盔，胸前挂 M logo，橙白配色，圆胖体型
+            - paragraph [ref=e28]:
+              - text: 按
+              - generic [ref=e29]: ⌘
+              - generic [ref=e30]: ↵
+              - text: 提交
+          - generic [ref=e31]:
+            - generic [ref=e32]: 参考图 · 可选，最多 4 张
+            - button "+" [ref=e34] [cursor=pointer]
+          - generic [ref=e35]:
+            - generic [ref=e36]: 风格
+            - generic [ref=e37]:
+              - button "无" [ref=e38] [cursor=pointer]
+              - button "毛绒玩偶" [ref=e39] [cursor=pointer]
+              - button "机甲风" [ref=e40] [cursor=pointer]
+              - button "可爱萌系" [ref=e41] [cursor=pointer]
+              - button "专利蓝图" [ref=e42] [cursor=pointer]
+              - button "赛博朋克" [ref=e43] [cursor=pointer]
+              - button "极简" [ref=e44] [cursor=pointer]
+          - generic [ref=e45]:
+            - generic [ref=e46]:
+              - generic [ref=e47]: 数量
+              - generic [ref=e48]:
+                - button "4 张" [ref=e49] [cursor=pointer]
+                - button "8 张" [ref=e50] [cursor=pointer]
+                - button "12 张" [ref=e51] [cursor=pointer]
+            - button "批量生成" [ref=e52] [cursor=pointer]:
+              - text: 批量生成
+              - img [ref=e53]
+  - alert [ref=e55]
\ No newline at end of file
diff --git a/src/app/layout.tsx b/src/app/layout.tsx
index f525d90..2e4057a 100644
--- a/src/app/layout.tsx
+++ b/src/app/layout.tsx
@@ -9,7 +9,7 @@ export const metadata: Metadata = {
 export default function RootLayout({ children }: { children: React.ReactNode }) {
   return (
     <html lang="zh">
-      <body className="min-h-screen">{children}</body>
+      <body className="min-h-screen antialiased">{children}</body>
     </html>
   );
 }
diff --git a/src/app/page.tsx b/src/app/page.tsx
index faed549..364a3f8 100644
--- a/src/app/page.tsx
+++ b/src/app/page.tsx
@@ -11,6 +11,7 @@ export default function Home() {
   const [current, setCurrent] = useState<GenSession | null>(null);
   const [loading, setLoading] = useState(false);
   const [provider, setProvider] = useState<string>('?');
+  const [sidebarOpen, setSidebarOpen] = useState(true);
 
   const refreshSessions = useCallback(async () => {
     const r = await fetch('/api/sessions');
@@ -60,36 +61,51 @@ export default function Home() {
   }
 
   return (
-    <div className="flex h-screen">
+    <div className="flex h-screen bg-[#FAFAFA]">
       <Sidebar
+        open={sidebarOpen}
+        onToggle={() => setSidebarOpen(v => !v)}
         sessions={sessions}
         currentId={current?.id ?? null}
         onPick={id => setCurrent(sessions.find(s => s.id === id) ?? null)}
         onNew={() => setCurrent(null)}
       />
       <main className="flex-1 overflow-y-auto">
-        <header className="px-8 py-6 border-b border-white/10 flex items-center justify-between">
-          <div>
-            <h1 className="text-xl font-bold">AI 玩具专利生成工作流</h1>
-            <p className="text-xs text-white/40 mt-1">批量出意向 → 快筛 → 多角度尺寸 → 喂专利</p>
-          </div>
-          <div className="text-xs text-white/40">
-            provider: <span className={provider === 'poe' ? 'text-accent' : 'text-yellow-400'}>{provider}</span>
-            {provider === 'mock' && <span className="ml-2 text-yellow-400/80">(未配 POE_API_KEY，当前是占位图)</span>}
-          </div>
-        </header>
+        <div className="mx-auto max-w-[1180px] px-10 py-10">
+          <header className="flex items-start justify-between mb-10">
+            <div>
+              <h1 className="text-[26px] font-semibold tracking-tight text-zinc-900 leading-tight">
+                AI 玩具专利生成工作流
+              </h1>
+              <p className="text-sm text-zinc-500 mt-1.5">
+                批量出意向 → 快筛 → 多角度尺寸 → 喂专利
+              </p>
+            </div>
+            <div className="flex items-center gap-2 pt-1">
+              <span className={provider === 'poe' ? 'chip chip-live' : 'chip chip-mock'}>
+                <span className={`w-1.5 h-1.5 rounded-full ${provider === 'poe' ? 'bg-emerald-500' : 'bg-amber-500'}`} />
+                {provider === 'poe' ? 'Poe · 实时生图' : provider === 'mock' ? 'Mock · 占位图' : provider}
+              </span>
+            </div>
+          </header>
 
-        <div className="p-8 space-y-6 max-w-6xl">
-          <PromptPanel onGenerate={handleGenerate} loading={loading} />
-          {current && (
-            <section className="card p-6 space-y-4">
-              <div className="flex items-center justify-between">
-                <h2 className="text-sm text-white/60">本次生成 · {new Date(current.createdAt).toLocaleString('zh-CN')}</h2>
-                <code className="text-xs text-white/30">{current.id}</code>
-              </div>
-              <ResultGrid images={current.images} onAction={handleAction} />
-            </section>
-          )}
+          <div className="space-y-8">
+            <PromptPanel onGenerate={handleGenerate} loading={loading} />
+            {current && (
+              <section className="space-y-4">
+                <div className="flex items-end justify-between">
+                  <div>
+                    <h2 className="text-sm font-medium text-zinc-900">本次生成</h2>
+                    <p className="text-xs text-zinc-500 mt-0.5">
+                      {new Date(current.createdAt).toLocaleString('zh-CN')}
+                    </p>
+                  </div>
+                  <code className="text-[11px] text-zinc-400 font-mono">{current.id}</code>
+                </div>
+                <ResultGrid images={current.images} onAction={handleAction} />
+              </section>
+            )}
+          </div>
         </div>
       </main>
     </div>
diff --git a/src/components/PromptPanel.tsx b/src/components/PromptPanel.tsx
index 152197b..878b333 100644
--- a/src/components/PromptPanel.tsx
+++ b/src/components/PromptPanel.tsx
@@ -38,35 +38,42 @@ export default function PromptPanel({ onGenerate, loading }: PromptPanelProps) {
   }
 
   return (
-    <div className="card p-6 space-y-4">
+    <div className="card p-7 space-y-6">
       <div>
-        <label className="block text-sm text-white/60 mb-2">Prompt</label>
+        <label className="block text-xs font-medium text-zinc-500 uppercase tracking-wider mb-2.5">
+          Prompt
+        </label>
         <textarea
           value={prompt}
           onChange={e => setPrompt(e.target.value)}
           onKeyDown={e => { if (e.key === 'Enter' && (e.metaKey || e.ctrlKey)) submit(); }}
-          rows={4}
-          placeholder="描述要生成的玩具意向…（⌘/Ctrl+Enter 提交）"
-          className="w-full bg-black/40 border border-white/10 rounded-lg p-3 text-sm resize-none focus:border-accent outline-none"
+          rows={3}
+          placeholder="描述要生成的玩具意向…"
+          className="field text-[15px] leading-relaxed"
         />
+        <p className="mt-2 text-[11px] text-zinc-400 flex items-center gap-1.5">
+          按 <kbd className="kbd">⌘</kbd><kbd className="kbd">↵</kbd> 提交
+        </p>
       </div>
 
       <div>
-        <label className="block text-sm text-white/60 mb-2">参考图（可选，最多 4 张）</label>
-        <div className="flex flex-wrap gap-2">
+        <label className="block text-xs font-medium text-zinc-500 uppercase tracking-wider mb-2.5">
+          参考图 <span className="text-zinc-400 normal-case tracking-normal">· 可选，最多 4 张</span>
+        </label>
+        <div className="flex flex-wrap gap-2.5">
           {refs.map((r, i) => (
-            <div key={i} className="relative w-20 h-20 rounded-lg overflow-hidden border border-white/10">
+            <div key={i} className="relative w-20 h-20 rounded-xl overflow-hidden ring-1 ring-zinc-200 group">
               <img src={r} alt="ref" className="w-full h-full object-cover" />
               <button
                 onClick={() => setRefs(prev => prev.filter((_, j) => j !== i))}
-                className="absolute top-0.5 right-0.5 w-5 h-5 rounded bg-black/70 text-xs"
+                className="absolute top-1 right-1 w-5 h-5 rounded-full bg-zinc-900 text-white text-[10px] opacity-0 group-hover:opacity-100 transition-opacity shadow-md"
               >✕</button>
             </div>
           ))}
           {refs.length < 4 && (
             <button
               onClick={() => fileInput.current?.click()}
-              className="w-20 h-20 rounded-lg border border-dashed border-white/20 hover:border-accent text-white/40 hover:text-accent text-2xl"
+              className="w-20 h-20 rounded-xl border-2 border-dashed border-zinc-200 hover:border-zinc-400 hover:bg-zinc-50 text-zinc-400 hover:text-zinc-600 text-2xl transition-colors flex items-center justify-center"
             >+</button>
           )}
           <input
@@ -81,41 +88,59 @@ export default function PromptPanel({ onGenerate, loading }: PromptPanelProps) {
       </div>
 
       <div>
-        <label className="block text-sm text-white/60 mb-2">风格</label>
-        <div className="flex flex-wrap gap-2">
+        <label className="block text-xs font-medium text-zinc-500 uppercase tracking-wider mb-2.5">
+          风格
+        </label>
+        <div className="flex flex-wrap gap-1.5">
           <button
             onClick={() => setStyle('')}
-            className={`btn text-xs ${style === '' ? 'btn-primary' : 'btn-ghost'}`}
+            className={style === '' ? 'btn btn-primary text-xs px-3 py-1.5' : 'btn btn-outline text-xs px-3 py-1.5'}
           >无</button>
           {PRESET_STYLES.map(s => (
             <button
               key={s.id}
               onClick={() => setStyle(s.label)}
-              className={`btn text-xs ${style === s.label ? 'btn-primary' : 'btn-ghost'}`}
+              className={style === s.label ? 'btn btn-primary text-xs px-3 py-1.5' : 'btn btn-outline text-xs px-3 py-1.5'}
             >{s.label}</button>
           ))}
         </div>
       </div>
 
-      <div className="flex items-end justify-between gap-4">
+      <div className="flex items-end justify-between gap-4 pt-2">
         <div>
-          <label className="block text-sm text-white/60 mb-2">数量</label>
-          <div className="flex gap-2">
+          <label className="block text-xs font-medium text-zinc-500 uppercase tracking-wider mb-2.5">
+            数量
+          </label>
+          <div className="seg">
             {[4, 8, 12].map(n => (
               <button
                 key={n}
                 onClick={() => setCount(n)}
-                className={`btn text-xs ${count === n ? 'btn-primary' : 'btn-ghost'}`}
-              >{n}</button>
+                className={`seg-item ${count === n ? 'seg-item-active' : ''}`}
+              >{n} 张</button>
             ))}
           </div>
         </div>
         <button
           onClick={submit}
           disabled={loading || !prompt.trim()}
-          className="btn btn-primary disabled:opacity-40 disabled:cursor-not-allowed"
+          className="btn btn-primary px-5 py-2.5 disabled:opacity-40 disabled:cursor-not-allowed"
         >
-          {loading ? '生成中…' : '🪄 批量生成'}
+          {loading ? (
+            <>
+              <svg width="14" height="14" viewBox="0 0 24 24" className="animate-spin" fill="none" stroke="currentColor" strokeWidth="2">
+                <path d="M12 2a10 10 0 0 1 10 10" strokeLinecap="round" />
+              </svg>
+              生成中
+            </>
+          ) : (
+            <>
+              批量生成
+              <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2.5">
+                <path d="M5 12h14M13 5l7 7-7 7" strokeLinecap="round" strokeLinejoin="round" />
+              </svg>
+            </>
+          )}
         </button>
       </div>
     </div>
diff --git a/src/components/ResultGrid.tsx b/src/components/ResultGrid.tsx
index 3d8d62c..cb2478c 100644
--- a/src/components/ResultGrid.tsx
+++ b/src/components/ResultGrid.tsx
@@ -9,9 +9,10 @@ export type ResultGridProps = {
 };
 
 export default function ResultGrid({ images, onAction }: ResultGridProps) {
-  // 键盘：1-9 切换选中，shift+1-9 打叉
   useEffect(() => {
     function handler(e: KeyboardEvent) {
+      const target = e.target as HTMLElement;
+      if (target && (target.tagName === 'INPUT' || target.tagName === 'TEXTAREA')) return;
       const n = parseInt(e.key, 10);
       if (isNaN(n) || n < 1 || n > 9 || n > images.length) return;
       const img = images[n - 1];
@@ -26,34 +27,55 @@ export default function ResultGrid({ images, onAction }: ResultGridProps) {
   }, [images, onAction]);
 
   const cols = images.length <= 4 ? 'grid-cols-2' : images.length <= 9 ? 'grid-cols-3' : 'grid-cols-4';
+  const selectedCount = images.filter(i => i.status === 'selected').length;
 
   return (
-    <div className="space-y-3">
-      <div className="flex items-center justify-between text-xs text-white/40">
-        <span>
-          快捷键：数字键 1-{Math.min(9, images.length)} 选中 / Shift+数字键 打叉
-        </span>
-        <span>
-          已选 <span className="text-accent font-bold">{images.filter(i => i.status === 'selected').length}</span> / {images.length}
-        </span>
+    <div className="space-y-4">
+      <div className="flex items-center justify-between">
+        <div className="flex items-center gap-2 text-[11px] text-zinc-500">
+          <kbd className="kbd">1</kbd>
+          <span>–</span>
+          <kbd className="kbd">{Math.min(9, images.length)}</kbd>
+          <span>选中</span>
+          <span className="text-zinc-300 mx-1">/</span>
+          <kbd className="kbd">⇧</kbd>
+          <span>+</span>
+          <kbd className="kbd">1</kbd>
+          <span>打叉</span>
+        </div>
+        <div className="text-xs text-zinc-600">
+          已选 <span className="font-semibold text-zinc-900">{selectedCount}</span>
+          <span className="text-zinc-400"> / {images.length}</span>
+        </div>
       </div>
+
       <div className={`grid ${cols} gap-3`}>
         {images.map((img, i) => (
           <div
             key={img.id}
-            className={`tile ${img.status === 'selected' ? 'tile-selected' : ''} ${img.status === 'rejected' ? 'tile-rejected' : ''}`}
+            className={`tile group ${img.status === 'selected' ? 'tile-selected' : ''} ${img.status === 'rejected' ? 'tile-rejected' : ''}`}
           >
             <img src={img.url} alt={`gen ${i + 1}`} className="w-full h-full object-cover" />
             <div className="tile-keynum">{i + 1}</div>
-            <div className="absolute inset-x-0 bottom-0 p-2 flex gap-2 opacity-0 hover:opacity-100 transition-opacity bg-gradient-to-t from-black/80 to-transparent">
+
+            {img.status === 'selected' && (
+              <div className="tile-badge tile-badge-selected">✓</div>
+            )}
+            {img.status === 'rejected' && (
+              <div className="tile-badge tile-badge-rejected">✕</div>
+            )}
+
+            <div className="absolute inset-x-0 bottom-0 p-2 flex gap-2 opacity-0 group-hover:opacity-100 transition-opacity bg-gradient-to-t from-black/70 via-black/30 to-transparent">
               <button
                 onClick={() => onAction(img.id, img.status === 'selected' ? 'reset' : 'select')}
-                className="btn btn-primary text-xs flex-1"
-              >{img.status === 'selected' ? '✓ 已选' : '✓ 选中'}</button>
+                className="flex-1 px-3 py-1.5 rounded-lg bg-white text-zinc-900 text-xs font-medium hover:bg-zinc-100 transition-colors shadow-sm"
+              >
+                {img.status === 'selected' ? '✓ 已选' : '选中'}
+              </button>
               <button
                 onClick={() => onAction(img.id, img.status === 'rejected' ? 'reset' : 'reject')}
-                className="btn btn-ghost text-xs"
-              >✗</button>
+                className="px-3 py-1.5 rounded-lg bg-white/90 text-zinc-700 text-xs font-medium hover:bg-white hover:text-red-600 transition-colors shadow-sm"
+              >✕</button>
             </div>
           </div>
         ))}
diff --git a/src/components/Sidebar.tsx b/src/components/Sidebar.tsx
index 27a3488..fe841b3 100644
--- a/src/components/Sidebar.tsx
+++ b/src/components/Sidebar.tsx
@@ -3,39 +3,96 @@
 import type { GenSession } from '@/lib/types';
 
 export default function Sidebar({
+  open,
+  onToggle,
   sessions,
   currentId,
   onPick,
   onNew,
 }: {
+  open: boolean;
+  onToggle: () => void;
   sessions: GenSession[];
   currentId: string | null;
   onPick: (id: string) => void;
   onNew: () => void;
 }) {
+  if (!open) {
+    return (
+      <aside className="w-12 shrink-0 border-r border-zinc-200 bg-white flex flex-col items-center py-4">
+        <button
+          onClick={onToggle}
+          className="w-8 h-8 rounded-lg hover:bg-zinc-100 flex items-center justify-center text-zinc-500"
+          title="展开侧栏"
+        >
+          <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2">
+            <path d="M9 18l6-6-6-6" />
+          </svg>
+        </button>
+      </aside>
+    );
+  }
+
   return (
-    <aside className="w-64 shrink-0 border-r border-white/10 bg-black/40 flex flex-col">
-      <div className="p-4 border-b border-white/10">
-        <button onClick={onNew} className="btn btn-primary w-full text-sm">+ 新会话</button>
+    <aside className="w-72 shrink-0 border-r border-zinc-200 bg-white flex flex-col">
+      <div className="p-4 flex items-center gap-2">
+        <button
+          onClick={onNew}
+          className="btn btn-primary flex-1 text-sm"
+        >
+          <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2.5">
+            <path d="M12 5v14M5 12h14" />
+          </svg>
+          新会话
+        </button>
+        <button
+          onClick={onToggle}
+          className="w-9 h-9 rounded-xl hover:bg-zinc-100 flex items-center justify-center text-zinc-500 transition-colors"
+          title="收起侧栏"
+        >
+          <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="2">
+            <path d="M15 18l-6-6 6-6" />
+          </svg>
+        </button>
       </div>
-      <div className="p-3 text-xs text-white/40 uppercase tracking-wider">最近</div>
-      <div className="flex-1 overflow-y-auto px-2 pb-4 space-y-1">
-        {sessions.length === 0 && <div className="px-3 py-4 text-xs text-white/30">还没有生成记录</div>}
+
+      <div className="px-5 pt-1 pb-2 text-[11px] font-medium text-zinc-400 uppercase tracking-wider">
+        最近
+      </div>
+
+      <div className="flex-1 overflow-y-auto px-3 pb-4 space-y-1">
+        {sessions.length === 0 && (
+          <div className="px-3 py-8 text-center text-xs text-zinc-400">
+            还没有生成记录
+          </div>
+        )}
         {sessions.map(s => {
           const selectedCount = s.images.filter(i => i.status === 'selected').length;
+          const active = currentId === s.id;
           return (
             <button
               key={s.id}
               onClick={() => onPick(s.id)}
-              className={`w-full text-left px-3 py-2 rounded-lg text-xs transition-colors ${
-                currentId === s.id ? 'bg-white/10' : 'hover:bg-white/5'
+              className={`w-full text-left px-3 py-2.5 rounded-xl text-xs transition-all ${
+                active
+                  ? 'bg-zinc-900 text-white shadow-sm'
+                  : 'hover:bg-zinc-100 text-zinc-700'
               }`}
             >
-              <div className="line-clamp-2 text-white/80">{s.prompt}</div>
-              <div className="mt-1 text-white/40 flex justify-between">
-                <span>{new Date(s.createdAt).toLocaleString('zh-CN', { month: '2-digit', day: '2-digit', hour: '2-digit', minute: '2-digit' })}</span>
+              <div className={`line-clamp-2 font-medium ${active ? 'text-white' : 'text-zinc-800'}`}>
+                {s.prompt}
+              </div>
+              <div className={`mt-1.5 flex justify-between items-center text-[11px] ${active ? 'text-white/60' : 'text-zinc-500'}`}>
                 <span>
-                  {s.images.length} 张 · <span className="text-accent">✓{selectedCount}</span>
+                  {new Date(s.createdAt).toLocaleString('zh-CN', { month: '2-digit', day: '2-digit', hour: '2-digit', minute: '2-digit' })}
+                </span>
+                <span className="flex items-center gap-1">
+                  <span>{s.images.length}</span>
+                  {selectedCount > 0 && (
+                    <span className={active ? 'text-white' : 'text-zinc-900 font-semibold'}>
+                      · ✓{selectedCount}
+                    </span>
+                  )}
                 </span>
               </div>
             </button>