diff --git a/src/app/chat/components/chat-input-text-field.module.css b/src/app/chat/components/chat-input-text-field.module.css
index 61c0f6b4..bcdf67c2 100644
--- a/src/app/chat/components/chat-input-text-field.module.css
+++ b/src/app/chat/components/chat-input-text-field.module.css
@@ -18,7 +18,7 @@
   width: 100%;
   min-height: 40px;
   max-height: 120px; /* 约 5 行 × 24px line-height */
-  padding: 0;
+  padding: 6px 0 0 0; /* 上 6px：让文字视觉下移，避开正中位置 */
   border: 0;
   outline: none;
   background: transparent;
@@ -28,8 +28,6 @@
   line-height: 24px;
   resize: none;
   font-family: inherit;
-  display: flex; /* 让 textarea 成为 flex 容器，让文字竖直居中 */
-  align-items: center; /* 沿 cross axis 居中 = 文字竖直居中于 40px 高度内 */
 }
 
 .textField::placeholder {
diff --git a/src/models/auth/index.ts b/src/models/auth/index.ts
index 98cd41e1..91c77317 100644
--- a/src/models/auth/index.ts
+++ b/src/models/auth/index.ts
@@ -4,4 +4,4 @@
 
 export * from "./auth-mode";
 export * from "./auth-panel-mode";
-export * from "./login-type";
+export * from "./login-status";
diff --git a/src/models/auth/login-status.ts b/src/models/auth/login-status.ts
new file mode 100644
index 00000000..d00848bc
--- /dev/null
+++ b/src/models/auth/login-status.ts
@@ -0,0 +1,26 @@
+/**
+ * 登录状态枚举
+ *
+ * 原始 Dart: lib/ui/auth/bloc/auth_state.dart 的 `LoginType` 枚举（v7.0 新增）。
+ *
+ * 2025-XX 改造：语义从"登录方式"扩展为"当前登录状态"——
+ * 包含 notLoggedIn / guest / 各 OAuth provider 登录后态。
+ *
+ * 字段命名（state）从 `loginType` 改为 `loginStatus`，更贴合语义。
+ */
+export const LoginStatus = {
+  /** 未登录（默认初值） */
+  NotLoggedIn: "notLoggedIn",
+  /** 游客登录（无需账号，10 轮免费消息） */
+  Guest: "guest",
+  /** Facebook OAuth 登录 */
+  Facebook: "facebook",
+  /** Google OAuth 登录 */
+  Google: "google",
+  /** 邮箱 + 密码登录 */
+  Email: "email",
+  /** Apple ID 登录 */
+  Apple: "apple",
+} as const;
+
+export type LoginStatus = (typeof LoginStatus)[keyof typeof LoginStatus];
diff --git a/src/models/auth/login-type.ts b/src/models/auth/login-type.ts
deleted file mode 100644
index a4b0aad2..00000000
--- a/src/models/auth/login-type.ts
+++ /dev/null
@@ -1,14 +0,0 @@
-/**
- * 登录方式枚举
- *
- * 原始 Dart: lib/ui/auth/bloc/auth_state.dart 的 `LoginType` 枚举（v7.0 新增）。
- */
-export const LoginType = {
-  None: "none",
-  Facebook: "facebook",
-  Google: "google",
-  Email: "email",
-  Apple: "apple",
-} as const;
-
-export type LoginType = (typeof LoginType)[keyof typeof LoginType];
diff --git a/src/stores/auth/auth-context.tsx b/src/stores/auth/auth-context.tsx
index 0b338a94..39eebd9d 100644
--- a/src/stores/auth/auth-context.tsx
+++ b/src/stores/auth/auth-context.tsx
@@ -33,7 +33,7 @@ interface AuthState {
   isLoading: boolean;
   errorMessage: string | null;
   isSuccess: boolean;
-  loginType: MachineContext["loginType"];
+  loginStatus: MachineContext["loginStatus"];
 }
 
 const AuthStateCtx = createContext<AuthState | null>(null);
@@ -62,7 +62,7 @@ export function AuthProvider({ children }: AuthProviderProps) {
         state.matches("loadingOAuth"),
       errorMessage: state.context.errorMessage,
       isSuccess: state.matches("success"),
-      loginType: state.context.loginType,
+      loginStatus: state.context.loginStatus,
     }),
     [state],
   );
diff --git a/src/stores/auth/auth-machine.ts b/src/stores/auth/auth-machine.ts
index 83c39b7e..65aba59c 100644
--- a/src/stores/auth/auth-machine.ts
+++ b/src/stores/auth/auth-machine.ts
@@ -11,7 +11,7 @@ import { setup, fromPromise, assign } from "xstate";
 import { signIn } from "next-auth/react";
 
 import type { AuthProvider } from "@/lib/auth/auth_platform";
-import type { LoginType } from "@/models/auth/login-type";
+import type { LoginStatus } from "@/models/auth/login-status";
 import { authRepository } from "@/data/repositories/auth_repository";
 import { AuthStorage } from "@/data/storage/auth/auth_storage";
 import { Result } from "@/utils/result";
@@ -42,17 +42,17 @@ async function readGuestId(): Promise<string | undefined> {
 // 本轮起不再调 /api/auth/marker 写 cookie（统一迁到 NextAuth session
 // cookie 检测，邮箱登录 proxy 行为在后续轮恢复）。
 
-const emailLoginActor = fromPromise<LoginType, { email: string; password: string }>(
+const emailLoginActor = fromPromise<LoginStatus, { email: string; password: string }>(
   async ({ input }) => {
     const guestId = await readGuestId();
     const result = await authRepository.emailLogin({ ...input, guestId });
     if (Result.isErr(result)) throw result.error;
-    return "email" as LoginType;
+    return "email" as LoginStatus;
   },
 );
 
 const emailRegisterThenLoginActor = fromPromise<
-  LoginType,
+  LoginStatus,
   { email: string; password: string; username: string; confirmPassword: string }
 >(async ({ input }) => {
   const guestId = await readGuestId();
@@ -67,7 +67,7 @@ const emailRegisterThenLoginActor = fromPromise<
     guestId,
   });
   if (Result.isErr(loginResult)) throw loginResult.error;
-  return "email" as LoginType;
+  return "email" as LoginStatus;
 });
 
 // OAuth 登录 actor：调 next-auth/react 的 signIn(provider) 触发 OAuth 跳转。
@@ -144,7 +144,7 @@ export const authMachine = setup({
         onDone: {
           target: "success",
           actions: assign({
-            loginType: ({ event }) => event.output,
+            loginStatus: ({ event }) => event.output,
             errorMessage: null,
           }),
         },
@@ -174,7 +174,7 @@ export const authMachine = setup({
         onDone: {
           target: "success",
           actions: assign({
-            loginType: ({ event }) => event.output,
+            loginStatus: ({ event }) => event.output,
             errorMessage: null,
           }),
         },
diff --git a/src/stores/auth/auth-state.ts b/src/stores/auth/auth-state.ts
index 4213206b..5b3fa770 100644
--- a/src/stores/auth/auth-state.ts
+++ b/src/stores/auth/auth-state.ts
@@ -3,7 +3,7 @@
  */
 import type { AuthMode } from "@/models/auth/auth-mode";
 import type { AuthPanelMode } from "@/models/auth/auth-panel-mode";
-import type { LoginType } from "@/models/auth/login-type";
+import type { LoginStatus } from "@/models/auth/login-status";
 
 export interface AuthState {
   /** 当前面板模式（Facebook / Email） */
@@ -15,7 +15,8 @@ export interface AuthState {
   username: string;
   confirmPassword: string;
   errorMessage: string | null;
-  loginType: LoginType;
+  /** 当前登录状态（未登录 / 游客 / OAuth / 邮箱） */
+  loginStatus: LoginStatus;
 }
 
 export const initialState: AuthState = {
@@ -26,5 +27,5 @@ export const initialState: AuthState = {
   username: "",
   confirmPassword: "",
   errorMessage: null,
-  loginType: "none",
+  loginStatus: "notLoggedIn",
 };