feat: beautify login, register and 404 pages with dark gaming theme

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

frontend/src/views/Login.vue

@@ -40,8 +40,17 @@ function goToRegister() {
 
 <template>
   <div class="login-page">
+    <!-- CSS 星星背景 -->
+    <div class="stars" aria-hidden="true"></div>
+    <div class="stars stars--sm" aria-hidden="true"></div>
+
     <div class="login-card">
-      <h1 class="title">登录 Game Group</h1>
+      <div class="card-header">
+        <h1 class="brand">
+          <span class="brand-text">Game Group</span>
+        </h1>
+        <p class="subtitle">登录你的账号</p>
+      </div>
 
       <form class="login-form" @submit.prevent="handleLogin">
         <div class="form-group">
@@ -66,6 +75,7 @@ function goToRegister() {
         </div>
 
         <button type="submit" class="submit-btn" :disabled="loading">
+          <span v-if="loading" class="btn-loader"></span>
           {{ loading ? '登录中...' : '登录' }}
         </button>
       </form>
@@ -79,36 +89,104 @@ function goToRegister() {
 </template>
 
 <style scoped>
+/* ── 深空背景 ── */
 .login-page {
+  position: relative;
   display: flex;
   align-items: center;
   justify-content: center;
   min-height: 100vh;
-  padding: 20px;
+  padding: 24px;
-  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
+  background: linear-gradient(160deg, #0f172a 0%, #1e1b4b 50%, #0f172a 100%);
+  overflow: hidden;
 }
 
+/* ── CSS 星星 ── */
+.stars {
+  position: fixed;
+  inset: 0;
+  background-image:
+    radial-gradient(1px 1px at 10% 20%, rgba(255,255,255,0.8) 50%, transparent 100%),
+    radial-gradient(1px 1px at 30% 65%, rgba(255,255,255,0.6) 50%, transparent 100%),
+    radial-gradient(1.5px 1.5px at 50% 10%, rgba(255,255,255,0.9) 50%, transparent 100%),
+    radial-gradient(1px 1px at 70% 40%, rgba(255,255,255,0.5) 50%, transparent 100%),
+    radial-gradient(1px 1px at 85% 75%, rgba(255,255,255,0.7) 50%, transparent 100%),
+    radial-gradient(1.5px 1.5px at 15% 80%, rgba(255,255,255,0.6) 50%, transparent 100%),
+    radial-gradient(1px 1px at 55% 90%, rgba(255,255,255,0.5) 50%, transparent 100%),
+    radial-gradient(1px 1px at 92% 15%, rgba(255,255,255,0.7) 50%, transparent 100%),
+    radial-gradient(1.2px 1.2px at 40% 45%, rgba(255,255,255,0.6) 50%, transparent 100%),
+    radial-gradient(1px 1px at 25% 35%, rgba(255,255,255,0.4) 50%, transparent 100%);
+  animation: twinkle 4s ease-in-out infinite alternate;
+  pointer-events: none;
+}
+
+.stars--sm {
+  background-image:
+    radial-gradient(0.8px 0.8px at 5% 50%, rgba(255,255,255,0.4) 50%, transparent 100%),
+    radial-gradient(0.8px 0.8px at 20% 10%, rgba(255,255,255,0.3) 50%, transparent 100%),
+    radial-gradient(0.8px 0.8px at 45% 70%, rgba(255,255,255,0.35) 50%, transparent 100%),
+    radial-gradient(0.8px 0.8px at 60% 25%, rgba(255,255,255,0.3) 50%, transparent 100%),
+    radial-gradient(0.8px 0.8px at 78% 85%, rgba(255,255,255,0.4) 50%, transparent 100%),
+    radial-gradient(0.8px 0.8px at 95% 55%, rgba(255,255,255,0.3) 50%, transparent 100%),
+    radial-gradient(0.8px 0.8px at 35% 95%, rgba(255,255,255,0.35) 50%, transparent 100%),
+    radial-gradient(0.8px 0.8px at 65% 5%, rgba(255,255,255,0.3) 50%, transparent 100%);
+  animation: twinkle 6s ease-in-out 1s infinite alternate;
+}
+
+@keyframes twinkle {
+  0%   { opacity: 0.6; }
+  100% { opacity: 1; }
+}
+
+/* ── 毛玻璃卡片 ── */
 .login-card {
+  position: relative;
+  z-index: 1;
   width: 100%;
-  max-width: 400px;
+  max-width: 420px;
-  padding: 40px;
+  padding: 48px 40px 40px;
-  background: white;
+  background: rgba(30, 41, 59, 0.55);
-  border-radius: 16px;
+  backdrop-filter: blur(16px);
-  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
+  -webkit-backdrop-filter: blur(16px);
+  border: 1px solid rgba(99, 102, 241, 0.2);
+  border-radius: var(--gg-radius-xl);
+  box-shadow:
+    0 8px 32px rgba(0, 0, 0, 0.4),
+    inset 0 1px 0 rgba(255, 255, 255, 0.05);
 }
 
-.title {
+/* ── 头部品牌 ── */
-  font-size: 28px;
+.card-header {
-  font-weight: 700;
   text-align: center;
-  margin: 0 0 32px;
+  margin-bottom: 36px;
-  color: #333;
 }
 
+.brand {
+  margin: 0 0 8px;
+}
+
+.brand-text {
+  font-size: 32px;
+  font-weight: 800;
+  letter-spacing: -0.5px;
+  background: var(--gg-gradient);
+  -webkit-background-clip: text;
+  -webkit-text-fill-color: transparent;
+  background-clip: text;
+}
+
+.subtitle {
+  margin: 0;
+  font-size: 15px;
+  color: var(--gg-text-secondary);
+  font-weight: 400;
+}
+
+/* ── 表单 ── */
 .login-form {
   display: flex;
   flex-direction: column;
-  gap: 20px;
+  gap: 22px;
 }
 
 .form-group {
@@ -118,59 +196,94 @@ function goToRegister() {
 }
 
 .form-group label {
-  font-size: 14px;
+  font-size: 13px;
   font-weight: 500;
-  color: #555;
+  color: var(--gg-text-secondary);
+  letter-spacing: 0.02em;
 }
 
 .form-group input {
   padding: 12px 16px;
-  border: 1px solid #ddd;
+  background: var(--gg-bg);
-  border-radius: 8px;
+  border: 1px solid var(--gg-border);
+  border-radius: var(--gg-radius-sm);
+  color: var(--gg-text);
   font-size: 14px;
-  transition: border-color 0.2s;
+  transition: border-color 0.25s, box-shadow 0.25s;
+}
+
+.form-group input::placeholder {
+  color: var(--gg-text-muted);
 }
 
 .form-group input:focus {
   outline: none;
-  border-color: #667eea;
+  border-color: var(--gg-primary);
+  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.25);
 }
 
+/* ── 提交按钮 ── */
 .submit-btn {
+  position: relative;
   padding: 14px;
+  margin-top: 4px;
   border: none;
-  border-radius: 8px;
+  border-radius: var(--gg-radius-sm);
-  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
+  background: var(--gg-gradient);
-  color: white;
+  color: #fff;
   font-size: 16px;
   font-weight: 600;
   cursor: pointer;
-  transition: opacity 0.2s;
+  transition: box-shadow 0.3s, transform 0.15s;
 }
 
 .submit-btn:hover:not(:disabled) {
-  opacity: 0.9;
+  box-shadow: 0 0 24px rgba(99, 102, 241, 0.45), 0 0 8px rgba(168, 85, 247, 0.3);
+  transform: translateY(-1px);
+}
+
+.submit-btn:active:not(:disabled) {
+  transform: translateY(0);
 }
 
 .submit-btn:disabled {
-  opacity: 0.6;
+  opacity: 0.55;
   cursor: not-allowed;
 }
 
+.btn-loader {
+  display: inline-block;
+  width: 14px;
+  height: 14px;
+  margin-right: 8px;
+  border: 2px solid rgba(255,255,255,0.3);
+  border-top-color: #fff;
+  border-radius: 50%;
+  animation: spin 0.6s linear infinite;
+  vertical-align: middle;
+}
+
+@keyframes spin {
+  to { transform: rotate(360deg); }
+}
+
+/* ── 底部链接 ── */
 .footer-links {
-  margin-top: 24px;
+  margin-top: 28px;
   text-align: center;
   font-size: 14px;
-  color: #666;
+  color: var(--gg-text-muted);
 }
 
 .footer-links a {
-  color: #667eea;
+  color: var(--gg-primary-light);
   cursor: pointer;
   font-weight: 500;
+  margin-left: 4px;
+  transition: color 0.2s;
 }
 
 .footer-links a:hover {
-  text-decoration: underline;
+  color: var(--gg-accent-light);
 }
 </style>

frontend/src/views/NotFound.vue

@@ -11,56 +11,130 @@ function goHome() {
 
 <template>
   <div class="not-found">
+    <!-- CSS 星星背景 -->
+    <div class="stars" aria-hidden="true"></div>
+
     <div class="content">
-      <h1>404</h1>
+      <div class="error-code">404</div>
-      <p>抱歉，您访问的页面不存在</p>
+      <h1 class="error-title">迷失在星域之中</h1>
+      <p class="error-desc">你访问的页面已消失在浩瀚宇宙中，或许它从未存在过。</p>
       <button class="home-btn" @click="goHome">
-        返回首页
+        <span class="btn-icon">&#10148;</span>
+        返回基地
       </button>
     </div>
   </div>
 </template>
 
 <style scoped>
+/* ── 深空背景 ── */
 .not-found {
+  position: relative;
   display: flex;
   align-items: center;
   justify-content: center;
-  min-height: 60vh;
+  min-height: 100vh;
+  padding: 24px;
+  background: linear-gradient(160deg, #0f172a 0%, #1e1b4b 50%, #0f172a 100%);
+  overflow: hidden;
 }
 
+/* ── CSS 星星 ── */
+.stars {
+  position: fixed;
+  inset: 0;
+  background-image:
+    radial-gradient(1px 1px at 10% 20%, rgba(255,255,255,0.8) 50%, transparent 100%),
+    radial-gradient(1px 1px at 30% 65%, rgba(255,255,255,0.6) 50%, transparent 100%),
+    radial-gradient(1.5px 1.5px at 50% 10%, rgba(255,255,255,0.9) 50%, transparent 100%),
+    radial-gradient(1px 1px at 70% 40%, rgba(255,255,255,0.5) 50%, transparent 100%),
+    radial-gradient(1px 1px at 85% 75%, rgba(255,255,255,0.7) 50%, transparent 100%),
+    radial-gradient(1.5px 1.5px at 15% 80%, rgba(255,255,255,0.6) 50%, transparent 100%),
+    radial-gradient(1px 1px at 55% 90%, rgba(255,255,255,0.5) 50%, transparent 100%),
+    radial-gradient(1px 1px at 92% 15%, rgba(255,255,255,0.7) 50%, transparent 100%),
+    radial-gradient(1.2px 1.2px at 40% 45%, rgba(255,255,255,0.6) 50%, transparent 100%),
+    radial-gradient(1px 1px at 25% 35%, rgba(255,255,255,0.4) 50%, transparent 100%);
+  animation: twinkle 4s ease-in-out infinite alternate;
+  pointer-events: none;
+}
+
+@keyframes twinkle {
+  0%   { opacity: 0.6; }
+  100% { opacity: 1; }
+}
+
+/* ── 内容区 ── */
 .content {
+  position: relative;
+  z-index: 1;
   text-align: center;
+  max-width: 480px;
 }
 
-.content h1 {
+/* ── 404 数字 ── */
-  font-size: 72px;
+.error-code {
-  font-weight: 700;
+  font-size: 140px;
-  margin: 0 0 16px;
+  font-weight: 900;
-  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
+  line-height: 1;
+  margin-bottom: 16px;
+  background: var(--gg-gradient);
   -webkit-background-clip: text;
   -webkit-text-fill-color: transparent;
+  background-clip: text;
+  text-shadow: none;
+  filter: drop-shadow(0 0 40px rgba(99, 102, 241, 0.35));
+  animation: pulse-glow 3s ease-in-out infinite alternate;
+  user-select: none;
 }
 
-.content p {
+@keyframes pulse-glow {
-  font-size: 16px;
+  0%   { filter: drop-shadow(0 0 30px rgba(99, 102, 241, 0.25)); }
-  color: var(--el-text-color-secondary);
+  100% { filter: drop-shadow(0 0 50px rgba(168, 85, 247, 0.4)); }
-  margin: 0 0 24px;
 }
 
+/* ── 标题 ── */
+.error-title {
+  font-size: 28px;
+  font-weight: 700;
+  color: var(--gg-text);
+  margin: 0 0 12px;
+}
+
+/* ── 描述文字 ── */
+.error-desc {
+  font-size: 15px;
+  color: var(--gg-text-secondary);
+  margin: 0 0 36px;
+  line-height: 1.6;
+}
+
+/* ── 返回按钮 ── */
 .home-btn {
-  padding: 12px 32px;
+  display: inline-flex;
+  align-items: center;
+  gap: 8px;
+  padding: 14px 36px;
   border: none;
-  border-radius: 8px;
+  border-radius: var(--gg-radius-sm);
-  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
+  background: var(--gg-gradient);
-  color: white;
+  color: #fff;
-  font-size: 14px;
+  font-size: 15px;
-  font-weight: 500;
+  font-weight: 600;
   cursor: pointer;
-  transition: opacity 0.2s;
+  transition: box-shadow 0.3s, transform 0.15s;
 }
 
 .home-btn:hover {
-  opacity: 0.9;
+  box-shadow: 0 0 24px rgba(99, 102, 241, 0.45), 0 0 8px rgba(168, 85, 247, 0.3);
+  transform: translateY(-1px);
+}
+
+.home-btn:active {
+  transform: translateY(0);
+}
+
+.btn-icon {
+  font-size: 16px;
+  display: inline-flex;
 }
 </style>

frontend/src/views/Register.vue

@@ -56,8 +56,17 @@ function goToLogin() {
 
 <template>
   <div class="register-page">
+    <!-- CSS 星星背景 -->
+    <div class="stars" aria-hidden="true"></div>
+    <div class="stars stars--sm" aria-hidden="true"></div>
+
     <div class="register-card">
-      <h1 class="title">注册 Game Group</h1>
+      <div class="card-header">
+        <h1 class="brand">
+          <span class="brand-text">Game Group</span>
+        </h1>
+        <p class="subtitle">创建你的账号</p>
+      </div>
 
       <form class="register-form" @submit.prevent="handleRegister">
         <div class="form-group">
@@ -103,6 +112,7 @@ function goToLogin() {
         </div>
 
         <button type="submit" class="submit-btn" :disabled="loading">
+          <span v-if="loading" class="btn-loader"></span>
           {{ loading ? '注册中...' : '注册' }}
         </button>
       </form>
@@ -116,36 +126,104 @@ function goToLogin() {
 </template>
 
 <style scoped>
+/* ── 深空背景 ── */
 .register-page {
+  position: relative;
   display: flex;
   align-items: center;
   justify-content: center;
   min-height: 100vh;
-  padding: 20px;
+  padding: 24px;
-  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
+  background: linear-gradient(160deg, #0f172a 0%, #1e1b4b 50%, #0f172a 100%);
+  overflow: hidden;
 }
 
+/* ── CSS 星星 ── */
+.stars {
+  position: fixed;
+  inset: 0;
+  background-image:
+    radial-gradient(1px 1px at 10% 20%, rgba(255,255,255,0.8) 50%, transparent 100%),
+    radial-gradient(1px 1px at 30% 65%, rgba(255,255,255,0.6) 50%, transparent 100%),
+    radial-gradient(1.5px 1.5px at 50% 10%, rgba(255,255,255,0.9) 50%, transparent 100%),
+    radial-gradient(1px 1px at 70% 40%, rgba(255,255,255,0.5) 50%, transparent 100%),
+    radial-gradient(1px 1px at 85% 75%, rgba(255,255,255,0.7) 50%, transparent 100%),
+    radial-gradient(1.5px 1.5px at 15% 80%, rgba(255,255,255,0.6) 50%, transparent 100%),
+    radial-gradient(1px 1px at 55% 90%, rgba(255,255,255,0.5) 50%, transparent 100%),
+    radial-gradient(1px 1px at 92% 15%, rgba(255,255,255,0.7) 50%, transparent 100%),
+    radial-gradient(1.2px 1.2px at 40% 45%, rgba(255,255,255,0.6) 50%, transparent 100%),
+    radial-gradient(1px 1px at 25% 35%, rgba(255,255,255,0.4) 50%, transparent 100%);
+  animation: twinkle 4s ease-in-out infinite alternate;
+  pointer-events: none;
+}
+
+.stars--sm {
+  background-image:
+    radial-gradient(0.8px 0.8px at 5% 50%, rgba(255,255,255,0.4) 50%, transparent 100%),
+    radial-gradient(0.8px 0.8px at 20% 10%, rgba(255,255,255,0.3) 50%, transparent 100%),
+    radial-gradient(0.8px 0.8px at 45% 70%, rgba(255,255,255,0.35) 50%, transparent 100%),
+    radial-gradient(0.8px 0.8px at 60% 25%, rgba(255,255,255,0.3) 50%, transparent 100%),
+    radial-gradient(0.8px 0.8px at 78% 85%, rgba(255,255,255,0.4) 50%, transparent 100%),
+    radial-gradient(0.8px 0.8px at 95% 55%, rgba(255,255,255,0.3) 50%, transparent 100%),
+    radial-gradient(0.8px 0.8px at 35% 95%, rgba(255,255,255,0.35) 50%, transparent 100%),
+    radial-gradient(0.8px 0.8px at 65% 5%, rgba(255,255,255,0.3) 50%, transparent 100%);
+  animation: twinkle 6s ease-in-out 1s infinite alternate;
+}
+
+@keyframes twinkle {
+  0%   { opacity: 0.6; }
+  100% { opacity: 1; }
+}
+
+/* ── 毛玻璃卡片 ── */
 .register-card {
+  position: relative;
+  z-index: 1;
   width: 100%;
-  max-width: 400px;
+  max-width: 420px;
-  padding: 40px;
+  padding: 44px 40px 40px;
-  background: white;
+  background: rgba(30, 41, 59, 0.55);
-  border-radius: 16px;
+  backdrop-filter: blur(16px);
-  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
+  -webkit-backdrop-filter: blur(16px);
+  border: 1px solid rgba(99, 102, 241, 0.2);
+  border-radius: var(--gg-radius-xl);
+  box-shadow:
+    0 8px 32px rgba(0, 0, 0, 0.4),
+    inset 0 1px 0 rgba(255, 255, 255, 0.05);
 }
 
-.title {
+/* ── 头部品牌 ── */
-  font-size: 28px;
+.card-header {
-  font-weight: 700;
   text-align: center;
-  margin: 0 0 32px;
+  margin-bottom: 32px;
-  color: #333;
 }
 
+.brand {
+  margin: 0 0 8px;
+}
+
+.brand-text {
+  font-size: 32px;
+  font-weight: 800;
+  letter-spacing: -0.5px;
+  background: var(--gg-gradient);
+  -webkit-background-clip: text;
+  -webkit-text-fill-color: transparent;
+  background-clip: text;
+}
+
+.subtitle {
+  margin: 0;
+  font-size: 15px;
+  color: var(--gg-text-secondary);
+  font-weight: 400;
+}
+
+/* ── 表单 ── */
 .register-form {
   display: flex;
   flex-direction: column;
-  gap: 20px;
+  gap: 18px;
 }
 
 .form-group {
@@ -155,59 +233,94 @@ function goToLogin() {
 }
 
 .form-group label {
-  font-size: 14px;
+  font-size: 13px;
   font-weight: 500;
-  color: #555;
+  color: var(--gg-text-secondary);
+  letter-spacing: 0.02em;
 }
 
 .form-group input {
   padding: 12px 16px;
-  border: 1px solid #ddd;
+  background: var(--gg-bg);
-  border-radius: 8px;
+  border: 1px solid var(--gg-border);
+  border-radius: var(--gg-radius-sm);
+  color: var(--gg-text);
   font-size: 14px;
-  transition: border-color 0.2s;
+  transition: border-color 0.25s, box-shadow 0.25s;
+}
+
+.form-group input::placeholder {
+  color: var(--gg-text-muted);
 }
 
 .form-group input:focus {
   outline: none;
-  border-color: #667eea;
+  border-color: var(--gg-primary);
+  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.25);
 }
 
+/* ── 提交按钮 ── */
 .submit-btn {
+  position: relative;
   padding: 14px;
+  margin-top: 4px;
   border: none;
-  border-radius: 8px;
+  border-radius: var(--gg-radius-sm);
-  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
+  background: var(--gg-gradient);
-  color: white;
+  color: #fff;
   font-size: 16px;
   font-weight: 600;
   cursor: pointer;
-  transition: opacity 0.2s;
+  transition: box-shadow 0.3s, transform 0.15s;
 }
 
 .submit-btn:hover:not(:disabled) {
-  opacity: 0.9;
+  box-shadow: 0 0 24px rgba(99, 102, 241, 0.45), 0 0 8px rgba(168, 85, 247, 0.3);
+  transform: translateY(-1px);
+}
+
+.submit-btn:active:not(:disabled) {
+  transform: translateY(0);
 }
 
 .submit-btn:disabled {
-  opacity: 0.6;
+  opacity: 0.55;
   cursor: not-allowed;
 }
 
+.btn-loader {
+  display: inline-block;
+  width: 14px;
+  height: 14px;
+  margin-right: 8px;
+  border: 2px solid rgba(255,255,255,0.3);
+  border-top-color: #fff;
+  border-radius: 50%;
+  animation: spin 0.6s linear infinite;
+  vertical-align: middle;
+}
+
+@keyframes spin {
+  to { transform: rotate(360deg); }
+}
+
+/* ── 底部链接 ── */
 .footer-links {
   margin-top: 24px;
   text-align: center;
   font-size: 14px;
-  color: #666;
+  color: var(--gg-text-muted);
 }
 
 .footer-links a {
-  color: #667eea;
+  color: var(--gg-primary-light);
   cursor: pointer;
   font-weight: 500;
+  margin-left: 4px;
+  transition: color 0.2s;
 }
 
 .footer-links a:hover {
-  text-decoration: underline;
+  color: var(--gg-accent-light);
 }
 </style>