From c9d1535428bc78b47fd545172a3627be23b4f28e Mon Sep 17 00:00:00 2001
From: Cheng Zhou <zhoucheng857@gmail.com>
Date: Tue, 23 Dec 2025 21:17:31 +0800
Subject: [PATCH] =?UTF-8?q?UI=E7=BE=8E=E5=8C=96=E5=8F=8A=E6=B8=90=E5=8F=98?=
 =?UTF-8?q?=E6=95=88=E6=9E=9C?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 frontend/dist/index.html           |   4 +-
 frontend/src/components/Layout.vue | 187 +++++++++++-----------
 frontend/src/styles/main.css       |  34 +++-
 frontend/src/views/Login.vue       | 247 +++++++++++++++++++++--------
 4 files changed, 306 insertions(+), 166 deletions(-)
diff --git a/frontend/dist/index.html b/frontend/dist/index.html
index 28c1d326..9f2320d4 100644
--- a/frontend/dist/index.html
+++ b/frontend/dist/index.html
@@ -4,8 +4,8 @@
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <title>CTMS</title>
-    <script type="module" crossorigin src="/assets/index-cQqawB_h.js"></script>
-    <link rel="stylesheet" crossorigin href="/assets/index-BtT9sBSg.css">
+    <script type="module" crossorigin src="/assets/index-CLgelUhv.js"></script>
+    <link rel="stylesheet" crossorigin href="/assets/index-CpYJ-5eT.css">
   </head>
   <body>
     <div id="app"></div>
diff --git a/frontend/src/components/Layout.vue b/frontend/src/components/Layout.vue
index a8ec118d..4aef8f7c 100644
--- a/frontend/src/components/Layout.vue
+++ b/frontend/src/components/Layout.vue
@@ -92,10 +92,14 @@
           <StudySelector />
           <el-dropdown trigger="click" @command="onCommand" class="user-profile">
             <span class="dropdown-trigger compact">
-              <div class="user-avatar">
-                <img v-if="auth.user?.avatar_url" :src="auth.user.avatar_url" alt="avatar" />
-                <span v-else>{{ (auth.user?.username || auth.user?.email || "用户").charAt(0).toUpperCase() }}</span>
-              </div>
+              <el-avatar 
+                :size="28" 
+                :src="auth.user?.avatar_url"
+                shape="square"
+                class="user-avatar-comp"
+              >
+                {{ (auth.user?.username || auth.user?.email || "U").charAt(0).toUpperCase() }}
+              </el-avatar>
               <span class="username">{{ auth.user?.username || auth.user?.email || "用户" }}</span>
               <el-icon><ArrowDown /></el-icon>
             </span>
@@ -117,10 +121,13 @@
       
       <el-main class="layout-main">
         <div class="content-wrapper">
-          <router-view />
+          <router-view v-slot="{ Component }">
+            <transition name="fade-transform" mode="out-in">
+              <component :is="Component" />
+            </transition>
+          </router-view>
         </div>
       </el-main>
-
     </el-container>
   </el-container>
 </template>
@@ -153,7 +160,6 @@ const onCommand = (cmd: string) => {
   if (cmd === "logout") {
     onLogout();
   } else if (cmd === "profile") {
-    // 预留个人设置路由占位，如后续有页面则跳转
     router.push("/profile");
   }
 };
@@ -162,15 +168,16 @@ const onCommand = (cmd: string) => {
 <style scoped>
 .layout-container {
   height: 100vh;
-  background-color: var(--ctms-bg-base);
+  background-color: #f6f8fb;
 }
 
 .layout-aside {
-  background-color: #001529;
+  background-color: #001529; /* 经典深色，保持专业感 */
   display: flex;
   flex-direction: column;
-  box-shadow: 2px 0 8px rgba(0, 0, 0, 0.15);
+  box-shadow: 4px 0 10px rgba(0, 0, 0, 0.05);
   z-index: 10;
+  border-right: 1px solid rgba(255, 255, 255, 0.05);
 }
 
 .aside-logo {
@@ -178,21 +185,22 @@ const onCommand = (cmd: string) => {
   display: flex;
   align-items: center;
   padding: 0 24px;
-  background-color: #002140;
+  background-color: #001529;
 }
 
 .logo-icon {
-  width: 24px;
-  height: 24px;
-  background-color: var(--ctms-primary);
-  border-radius: 4px;
+  width: 28px;
+  height: 28px;
+  background: linear-gradient(135deg, var(--ctms-primary) 0%, #6366f1 100%);
+  border-radius: 8px;
   margin-right: 12px;
+  box-shadow: 0 4px 8px rgba(47, 84, 235, 0.3);
 }
 
 .logo-text {
   color: #fff;
   font-size: 20px;
-  font-weight: 700;
+  font-weight: 800;
   letter-spacing: 1px;
 }
 
@@ -200,45 +208,60 @@ const onCommand = (cmd: string) => {
   border-right: none;
   background-color: transparent;
   flex: 1;
-  padding: 16px 0;
+  padding: 12px 0;
   overflow-y: auto;
 }
 
 .menu-divider {
   padding: 16px 24px 8px;
-  font-size: 12px;
-  color: rgba(255, 255, 255, 0.45);
+  font-size: 11px;
+  font-weight: 600;
+  color: rgba(255, 255, 255, 0.35);
   text-transform: uppercase;
-  letter-spacing: 1px;
+  letter-spacing: 1.5px;
 }
 
 :deep(.el-menu-item) {
-  height: 48px;
-  line-height: 48px;
+  height: 44px;
+  line-height: 44px;
   margin: 4px 12px;
   border-radius: var(--ctms-radius);
-  color: rgba(255, 255, 255, 0.65) !important;
+  color: rgba(255, 255, 255, 0.7) !important;
+  transition: var(--ctms-transition);
 }
 
 :deep(.el-menu-item:hover) {
   color: #fff !important;
-  background-color: transparent !important;
+  background-color: rgba(255, 255, 255, 0.05) !important;
 }
 
 :deep(.el-menu-item.is-active) {
   color: #fff !important;
   background-color: var(--ctms-primary) !important;
+  box-shadow: 0 4px 12px rgba(47, 84, 235, 0.2);
+}
+
+:deep(.el-menu-item.is-active::before) {
+  content: "";
+  position: absolute;
+  left: -12px;
+  top: 12px;
+  bottom: 12px;
+  width: 4px;
+  background-color: #fff;
+  border-radius: 0 4px 4px 0;
 }
 
 :deep(.el-sub-menu__title) {
-  color: rgba(255, 255, 255, 0.65) !important;
+  color: rgba(255, 255, 255, 0.7) !important;
   margin: 4px 12px;
   border-radius: var(--ctms-radius);
+  height: 44px;
+  line-height: 44px;
 }
 
-:deep(.el-sub-menu__title:hover) {
+:deep(.el-sub-menu.is-active .el-sub-menu__title) {
   color: #fff !important;
-  background-color: rgba(255, 255, 255, 0.1) !important;
 }
 
 :deep(.el-menu--inline) {
@@ -257,7 +280,7 @@ const onCommand = (cmd: string) => {
   align-items: center;
   justify-content: space-between;
   padding: 0 24px;
-  box-shadow: 0 1px 4px rgba(0, 21, 41, 0.08);
+  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.03);
   height: 64px !important;
   z-index: 9;
 }
@@ -265,85 +288,49 @@ const onCommand = (cmd: string) => {
 .header-right {
   display: flex;
   align-items: center;
-  gap: 24px;
+  gap: 20px;
 }
 
 .user-profile {
   display: flex;
   align-items: center;
-  gap: 12px;
-  padding-left: 16px;
-  border-left: 1px solid var(--ctms-border-color);
   cursor: pointer;
 }
 
-.user-avatar {
-  width: 32px;
-  height: 32px;
-  background-color: var(--ctms-primary-light);
-  color: var(--ctms-primary);
-  border-radius: 50%;
+.dropdown-trigger.compact {
   display: flex;
   align-items: center;
-  justify-content: center;
-  font-weight: 600;
-  font-size: 14px;
-  overflow: hidden;
-}
-.user-avatar img {
-  width: 100%;
-  height: 100%;
-  object-fit: cover;
+  padding: 4px 12px;
+  border-radius: 14px;
+  background: #f8fafc;
+  border: 1px solid #eef2f6;
+  color: #334155;
+  transition: var(--ctms-transition);
+  height: 40px;
 }
 
-.user-details {
-  display: flex;
-  flex-direction: column;
+.dropdown-trigger.compact:hover {
+  background: #f1f5f9;
+  border-color: #e2e8f0;
+}
+
+.user-avatar-comp {
+  color: var(--ctms-primary) !important;
+  background-color: transparent !important;
+  border-radius: 8px !important;
+  font-weight: 700;
+  flex-shrink: 0;
+  font-size: 14px;
 }
 
 .username {
   font-size: 14px;
-  font-weight: 500;
-  color: var(--ctms-text-main);
-  line-height: 1.2;
-}
-
-.user-role {
-  font-size: 12px;
-  color: var(--ctms-text-secondary);
-}
-
-.logout-btn {
-  margin-left: 8px;
-}
-
-.dropdown-trigger {
-  display: inline-flex;
-  align-items: center;
-  gap: 8px;
-}
-.dropdown-trigger.compact {
-  padding: 6px 10px;
-  border-radius: 10px;
-  background: #f4f6fa;
-  border: 1px solid #e2e6f0;
-  color: #333;
-}
-.avatar-icon {
-  font-size: 18px;
-}
-.user-dropdown-menu :deep(.el-dropdown-menu__item) {
-  display: flex;
-  align-items: center;
-  gap: 8px;
-  padding: 10px 16px;
-}
-
-.study-tag {
-  font-weight: 500;
-  color: var(--ctms-primary);
-  border-color: var(--ctms-primary-hover);
-  background-color: var(--ctms-primary-light);
+  font-weight: 600;
+  margin: 0 10px 0 8px;
+  max-width: 150px;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
 }
 
 .layout-main {
@@ -352,7 +339,23 @@ const onCommand = (cmd: string) => {
 }
 
 .content-wrapper {
-  padding: var(--ctms-spacing-lg);
+  padding: 24px;
   min-height: calc(100vh - 64px);
 }
+
+/* 过渡动画 */
+.fade-transform-enter-active,
+.fade-transform-leave-active {
+  transition: all 0.3s;
+}
+
+.fade-transform-enter-from {
+  opacity: 0;
+  transform: translateX(-15px);
+}
+
+.fade-transform-leave-to {
+  opacity: 0;
+  transform: translateX(15px);
+}
 </style>
diff --git a/frontend/src/styles/main.css b/frontend/src/styles/main.css
index 212373c0..60c9d2f2 100644
--- a/frontend/src/styles/main.css
+++ b/frontend/src/styles/main.css
@@ -35,10 +35,38 @@
   --ctms-spacing-lg: 24px;
   --ctms-spacing-xl: 32px;
 
-  /* 圆角 & 阴影 */
-  --ctms-radius: 4px;
+  /* 圆角 & 阴影 - 升级为更多层级 */
+  --ctms-radius-sm: 4px;
+  --ctms-radius: 8px;
+  --ctms-radius-lg: 12px;
+  --ctms-radius-round: 50%;
+  
   --ctms-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
-  --ctms-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
+  --ctms-shadow: 0 8px 24px rgba(149, 157, 165, 0.1);
+  --ctms-shadow-md: 0 12px 32px rgba(0, 0, 0, 0.08);
+  --ctms-shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.12);
+  
+  /* 动画 */
+  --ctms-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
+}
+
+/* 现代滚动条 */
+::-webkit-scrollbar {
+  width: 6px;
+  height: 6px;
+}
+
+::-webkit-scrollbar-track {
+  background: transparent;
+}
+
+::-webkit-scrollbar-thumb {
+  background: #d9d9d9;
+  border-radius: 10px;
+}
+
+::-webkit-scrollbar-thumb:hover {
+  background: #bfbfbf;
 }
 
 /* 全局重置 */
diff --git a/frontend/src/views/Login.vue b/frontend/src/views/Login.vue
index 0b27b5f2..649cf9ea 100644
--- a/frontend/src/views/Login.vue
+++ b/frontend/src/views/Login.vue
@@ -1,5 +1,12 @@
 <template>
   <div class="login-container">
+    <!-- 动态背景元素 -->
+    <div class="bg-animate">
+      <div class="circle circle-1"></div>
+      <div class="circle circle-2"></div>
+      <div class="circle circle-3"></div>
+    </div>
+    
     <div class="login-content">
       <div class="login-brand">
         <h1 class="brand-title">CTMS</h1>
@@ -8,8 +15,8 @@
       
       <el-card class="login-card">
         <div class="login-header">
-          <h2 class="form-title">用户登录</h2>
-          <p class="form-desc">请输入邮箱与密码登录，未激活账号将无法登录</p>
+          <h2 class="form-title">欢迎回来</h2>
+          <p class="form-desc">请输入您的凭据以访问系统</p>
         </div>
 
         <el-form 
@@ -18,43 +25,56 @@
           :rules="rules" 
           label-position="top"
           @keyup.enter.native="onSubmit"
+          class="elegant-form"
         >
-          <el-form-item label="邮箱" prop="email">
+          <el-form-item label="电子邮箱" prop="email">
             <el-input 
               v-model="form.email" 
-              placeholder="请输入邮箱"
+              placeholder="name@company.com"
               autocomplete="email"
-            />
+            >
+              <template #prefix>
+                <el-icon><Message /></el-icon>
+              </template>
+            </el-input>
           </el-form-item>
-          <el-form-item label="密码" prop="password">
+          <el-form-item label="登录密码" prop="password">
             <el-input 
               v-model="form.password" 
               type="password" 
-              placeholder="请输入密码"
+              placeholder="最小 8 位字符"
               autocomplete="current-password" 
               show-password 
-            />
+            >
+              <template #prefix>
+                <el-icon><Lock /></el-icon>
+              </template>
+            </el-input>
           </el-form-item>
           
-          <div class="form-footer">
-            <el-checkbox v-model="form.remember">记住账号密码</el-checkbox>
-            <el-button 
-              type="primary" 
-              :loading="loading" 
-              class="submit-btn"
-              @click="onSubmit"
-            >
-              登 录
-            </el-button>
-            <div class="link-row">
-              <RouterLink to="/register">没有账号？注册</RouterLink>
-            </div>
+          <div class="form-options">
+            <el-checkbox v-model="form.remember">记住我</el-checkbox>
+            <RouterLink to="/forgot-password" class="forgot-link">忘记密码？</RouterLink>
+          </div>
+
+          <el-button 
+            type="primary" 
+            :loading="loading" 
+            class="submit-btn"
+            @click="onSubmit"
+          >
+            登 录
+          </el-button>
+          
+          <div class="register-prompt">
+            <span>还没有账号？</span>
+            <RouterLink to="/register">立即注册</RouterLink>
           </div>
         </el-form>
       </el-card>
 
       <div class="login-footer">
-        <p>© 2025 Clinical Trial Management System. All Rights Reserved.</p>
+        <p>© 2025 CTMS Enterprise. Powered by Professional Clinical Research.</p>
       </div>
     </div>
   </div>
@@ -64,6 +84,7 @@
 import { reactive, ref, onMounted } from "vue";
 import { useRouter } from "vue-router";
 import { ElCheckbox, ElMessage, type FormInstance, type FormRules } from "element-plus";
+import { Message, Lock } from "@element-plus/icons-vue";
 import { useAuthStore } from "../store/auth";
 import { getCachedCredential, setCachedCredential, clearCachedCredential } from "../utils/auth";
 
@@ -79,10 +100,10 @@ const form = reactive({
 
 const rules: FormRules<typeof form> = {
   email: [
-    { required: true, message: "请输入邮箱", trigger: "blur" },
+    { required: true, message: "请输入有效的邮箱地址", trigger: "blur" },
     { type: "email", message: "邮箱格式不正确", trigger: "blur" },
   ],
-  password: [{ required: true, message: "请输入密码", trigger: "blur" }],
+  password: [{ required: true, message: "请输入您的密码", trigger: "blur" }],
 };
 
 const loading = ref(false);
@@ -111,7 +132,7 @@ const onSubmit = async () => {
     router.push("/");
   } catch (error: any) {
     const detail = error?.response?.data?.detail || error?.response?.data?.message;
-    ElMessage.error(detail || "邮箱或密码错误");
+    ElMessage.error(detail || "认证失败，请检查您的凭据");
   } finally {
     loading.value = false;
   }
@@ -124,103 +145,191 @@ const onSubmit = async () => {
   align-items: center;
   justify-content: center;
   min-height: 100vh;
-  background: radial-gradient(circle at 50% 50%, #f0f2f5 0%, #e6e9f0 100%);
+  background-color: #f8fafc;
   position: relative;
   overflow: hidden;
 }
 
-/* 装饰性背景元素，不使用外部资源 */
-.login-container::before {
-  content: "";
+/* 动态背景 */
+.bg-animate {
+  position: absolute;
+  top: 0;
+  left: 0;
+  width: 100%;
+  height: 100%;
+  z-index: 0;
+  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
+}
+
+.circle {
   position: absolute;
-  width: 600px;
-  height: 600px;
-  background: var(--ctms-primary);
-  opacity: 0.03;
   border-radius: 50%;
-  top: -200px;
-  right: -200px;
+  filter: blur(80px);
+  z-index: 0;
+  opacity: 0.4;
+  animation: move 20s infinite alternate;
+}
+
+.circle-1 {
+  width: 500px;
+  height: 500px;
+  background: #3b82f6;
+  top: -100px;
+  left: -100px;
+}
+
+.circle-2 {
+  width: 400px;
+  height: 400px;
+  background: #10b981;
+  bottom: -50px;
+  right: -50px;
+  animation-delay: -5s;
+}
+
+.circle-3 {
+  width: 300px;
+  height: 300px;
+  background: #6366f1;
+  top: 40%;
+  left: 30%;
+  animation-delay: -10s;
+}
+
+@keyframes move {
+  from { transform: translate(0, 0) scale(1); }
+  to { transform: translate(50px, 100px) scale(1.1); }
 }
 
 .login-content {
-  width: 400px;
+  width: 420px;
   z-index: 1;
+  position: relative;
 }
 
 .login-brand {
   text-align: center;
-  margin-bottom: 40px;
+  margin-bottom: 32px;
 }
 
 .brand-title {
-  font-size: 36px;
-  font-weight: 700;
-  color: var(--ctms-primary);
-  letter-spacing: 2px;
+  font-size: 48px;
+  font-weight: 800;
+  background: linear-gradient(135deg, var(--ctms-primary) 0%, #6366f1 100%);
+  -webkit-background-clip: text;
+  -webkit-text-fill-color: transparent;
+  letter-spacing: -1px;
   margin: 0;
 }
 
 .brand-subtitle {
-  font-size: 16px;
-  color: var(--ctms-text-secondary);
+  font-size: 14px;
+  color: #64748b;
   margin-top: 8px;
+  letter-spacing: 2px;
+  text-transform: uppercase;
+  font-weight: 500;
 }
 
 .login-card {
-  padding: 8px;
+  border: 1px solid rgba(255, 255, 255, 0.7);
+  background: rgba(255, 255, 255, 0.8);
+  backdrop-filter: blur(20px);
+  border-radius: 20px;
+  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.1);
+  padding: 12px;
 }
 
 .login-header {
+  text-align: center;
   margin-bottom: 32px;
 }
 
 .form-title {
-  font-size: 20px;
-  font-weight: 600;
-  color: var(--ctms-text-main);
+  font-size: 24px;
+  font-weight: 700;
+  color: #1e293b;
   margin: 0;
 }
 
 .form-desc {
   font-size: 14px;
-  color: var(--ctms-text-secondary);
+  color: #94a3b8;
   margin-top: 8px;
 }
 
+.elegant-form :deep(.el-form-item__label) {
+  font-size: 13px;
+  font-weight: 600;
+  color: #475569;
+  padding-bottom: 8px;
+}
+
+.elegant-form :deep(.el-input__wrapper) {
+  background-color: #f8fafc;
+  box-shadow: 0 0 0 1px #e2e8f0 inset;
+  padding: 8px 12px;
+  border-radius: 10px;
+  transition: var(--ctms-transition);
+}
+
+.elegant-form :deep(.el-input__wrapper.is-focus) {
+  box-shadow: 0 0 0 1px var(--ctms-primary) inset, 0 0 0 4px rgba(47, 84, 235, 0.1) !important;
+  background-color: #fff;
+}
+
+.form-options {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  margin-bottom: 24px;
+}
+
+.forgot-link {
+  font-size: 13px;
+  color: var(--ctms-primary);
+  text-decoration: none;
+  font-weight: 500;
+}
+
 .submit-btn {
   width: 100%;
-  height: 44px;
+  height: 48px;
   font-size: 16px;
-  margin-top: 16px;
+  font-weight: 600;
+  border-radius: 12px;
+  background: linear-gradient(135deg, var(--ctms-primary) 0%, #4f46e5 100%);
+  border: none;
+  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
+  transition: var(--ctms-transition);
 }
-.link-row {
-  margin-top: 12px;
+
+.submit-btn:hover {
+  transform: translateY(-2px);
+  box-shadow: 0 6px 20px rgba(79, 70, 229, 0.4);
+}
+
+.register-prompt {
+  margin-top: 24px;
   text-align: center;
-}
-.link-row a {
-  color: var(--ctms-primary);
   font-size: 14px;
+  color: #64748b;
+}
+
+.register-prompt a {
+  color: var(--ctms-primary);
+  font-weight: 600;
+  text-decoration: none;
+  margin-left: 4px;
 }
 
 .login-footer {
   text-align: center;
-  margin-top: 48px;
+  margin-top: 40px;
 }
 
 .login-footer p {
   font-size: 12px;
-  color: var(--ctms-text-disabled);
-}
-
-:deep(.el-form-item__label) {
-  padding-bottom: 4px;
-}
-
-:deep(.el-input__wrapper) {
-  box-shadow: 0 0 0 1px #d9d9d9 inset;
-}
-
-:deep(.el-input__wrapper.is-focus) {
-  box-shadow: 0 0 0 1px var(--ctms-primary) inset !important;
+  color: #94a3b8;
 }
 </style>
