Merge pull request #233 from cita-777/codex/login-surface-pr

feat(web): redesign login surface

src/web/App.login-surface.test.tsx

@@ -0,0 +1,78 @@
+import { describe, expect, it, vi } from 'vitest';
+import { create, type ReactTestInstance } from 'react-test-renderer';
+import { Login } from './App.js';
+import { SITE_DOCS_URL, SITE_GITHUB_URL } from './docsLink.js';
+
+function collectText(node: ReactTestInstance): string {
+  return (node.children || []).map((child) => {
+    if (typeof child === 'string') return child;
+    return collectText(child);
+  }).join('');
+}
+
+describe('Login surface', () => {
+  it('uses the site root as the documentation URL', () => {
+    expect(SITE_DOCS_URL).toBe('https://metapi.cita777.me');
+  });
+
+  it('uses the author github profile for the login github shortcut', () => {
+    expect(SITE_GITHUB_URL).toBe('https://github.com/cita-777');
+  });
+
+  it('renders a poster-style hero with a floating admin login panel', () => {
+    const root = create(
+      <Login onLogin={vi.fn()} t={(text) => text} />,
+    );
+
+    try {
+      const pageText = collectText(root.root);
+      const lightBrandPanel = root.root.find((node) => (
+        node.type === 'section'
+        && typeof node.props.className === 'string'
+        && node.props.className.includes('login-brand-panel-light')
+      ));
+      const authStage = root.root.find((node) => (
+        node.type === 'section'
+        && typeof node.props.className === 'string'
+        && node.props.className.includes('login-auth-stage')
+      ));
+      const brandMarkCanvas = root.root.find((node) => (
+        node.type === 'div'
+        && typeof node.props.className === 'string'
+        && node.props.className.includes('brand-mark-canvas')
+      ));
+
+      expect(pageText).toContain('Metapi');
+      expect(pageText).toContain('中转站的中转站');
+      expect(pageText).not.toContain('一个 API Key，一个入口');
+      expect(pageText).toContain('兼容 New API / One API / OneHub / DoneHub / Veloera / AnyRouter / Sub2API');
+      expect(pageText).toContain('统一代理网关');
+      expect(pageText).toContain('智能路由引擎');
+      expect(pageText).toContain('自动模型发现');
+      expect(pageText).toContain('部署文档');
+      expect(lightBrandPanel).toBeTruthy();
+      expect(authStage).toBeTruthy();
+      expect(brandMarkCanvas).toBeTruthy();
+
+      const docsLink = root.root.find((node) => (
+        node.type === 'a'
+        && node.props.href === SITE_DOCS_URL
+      ));
+      const tokenInput = root.root.find((node) => (
+        node.type === 'input'
+        && node.props.placeholder === '管理员令牌'
+      ));
+      const githubLink = root.root.find((node) => (
+        node.type === 'a'
+        && node.props.href === SITE_GITHUB_URL
+      ));
+
+      expect(docsLink.props.target).toBe('_blank');
+      expect(githubLink.props['aria-label']).toBe('GitHub');
+      expect(githubLink.props.target).toBe('_blank');
+      expect(tokenInput.props.type).toBe('password');
+    } finally {
+      root.unmount();
+    }
+  });
+});

src/web/App.tsx

@@ -14,7 +14,7 @@ import {
 } from './appLocalState.js';
 import { I18nProvider, useI18n } from './i18n.js';
 import { resolveLoginErrorMessage } from './loginError.js';
-import { SITE_DOCS_URL } from './docsLink.js';
+import { SITE_DOCS_URL, SITE_GITHUB_URL } from './docsLink.js';
 import { useAnimatedVisibility } from './components/useAnimatedVisibility.js';
 import { useIsMobile } from './components/useIsMobile.js';
 import { MobileDrawer } from './components/MobileDrawer.js';
@@ -127,10 +127,24 @@ function resolveStoredProfile(): UserProfile {
   }
 }
 
-function Login({ onLogin, t }: { onLogin: (token: string) => void; t: (text: string) => string }) {
+export function Login({ onLogin, t }: { onLogin: (token: string) => void; t: (text: string) => string }) {
   const [token, setToken] = useState('');
   const [loading, setLoading] = useState(false);
   const [error, setError] = useState('');
+  const capabilityRows = [
+    {
+      title: t('统一代理网关'),
+      description: t('一个 Key、一个入口，兼容 OpenAI / Claude 下游格式'),
+    },
+    {
+      title: t('自动模型发现'),
+      description: t('上游新增模型自动出现在模型列表，零配置路由生成'),
+    },
+    {
+      title: t('智能路由引擎'),
+      description: t('按成本、延迟、成功率自动选择最优通道，故障自动转移'),
+    },
+  ];
 
   const handleLogin = async () => {
     if (!token) return;
@@ -167,37 +181,100 @@ function Login({ onLogin, t }: { onLogin: (token: string) => void; t: (text: str
   };
 
   return (
-    <div style={{ minHeight: '100vh', display: 'flex', alignItems: 'center', justifyContent: 'center', background: 'var(--color-bg)' }}>
-      <div className="animate-scale-in" style={{ background: 'var(--color-bg-card)', padding: 40, borderRadius: 'var(--radius-xl)', boxShadow: 'var(--shadow-lg)', width: 400, border: '1px solid var(--color-border-light)' }}>
-        <div style={{ display: 'flex', alignItems: 'center', gap: 12, marginBottom: 8 }}>
-          <img src="/logo.png" alt="Metapi" style={{ width: 40, height: 40, borderRadius: 12 }} />
-          <h1 style={{ fontSize: 24, fontWeight: 700 }}>Metapi</h1>
-        </div>
-        <p style={{ fontSize: 14, color: 'var(--color-text-muted)', marginBottom: 24 }}>{t('请输入管理员令牌后继续。')}</p>
-        <input
-          type="password"
-          placeholder={t('管理员令牌')}
-          value={token}
-          onChange={(e) => {
-            setToken(e.target.value);
-            setError('');
-          }}
-          onKeyDown={(e) => e.key === 'Enter' && handleLogin()}
-          style={{ width: '100%', padding: '10px 14px', border: '1px solid var(--color-border)', borderRadius: 'var(--radius-sm)', fontSize: 14, outline: 'none', background: 'var(--color-bg)', color: 'var(--color-text-primary)', marginBottom: 12, transition: 'border-color 0.2s' }}
-        />
-        {error && (
-          <div className="alert alert-error animate-shake" style={{ marginBottom: 12 }}>
-            {error}
+    <div className="login-shell">
+      <div className="login-surface animate-scale-in">
+        <section className="login-brand-panel login-brand-panel-light">
+          <div className="login-brand-header">
+            <div className="brand-mark-frame brand-mark-frame-hero">
+              <div className="brand-mark-canvas">
+                <img src="/logo.png" alt="Metapi" className="login-brand-logo" />
+              </div>
+            </div>
+            <div className="login-brand-summary">
+              <div className="login-brand-name">Metapi</div>
+              <div className="login-brand-kicker">{t('中转站的中转站')}</div>
+            </div>
           </div>
-        )}
-        <button
-          onClick={handleLogin}
-          disabled={loading || !token}
-          className="btn btn-primary"
-          style={{ width: '100%', padding: '10px 0', fontSize: 14, fontWeight: 600 }}
-        >
-          {loading ? <><span className="spinner spinner-sm" style={{ borderTopColor: 'white', borderColor: 'rgba(255,255,255,0.3)' }} />{t('验证中...')}</> : t('登录')}
-        </button>
+          <div className="login-brand-copy-block">
+            <p className="login-brand-copy">
+              {t('把分散的 New API / One API / OneHub 等站点聚合成统一网关，自动发现模型、智能路由、成本更优。')}
+            </p>
+          </div>
+          <div className="login-compat-line">{t('兼容 New API / One API / OneHub / DoneHub / Veloera / AnyRouter / Sub2API')}</div>
+          <div className="login-capability-list">
+            {capabilityRows.map((feature, index) => (
+              <div key={feature.title} className="login-capability-row">
+                <div className="login-capability-index">{String(index + 1).padStart(2, '0')}</div>
+                <div className="login-capability-content">
+                  <div className="login-capability-title">{feature.title}</div>
+                  <p className="login-capability-desc">{feature.description}</p>
+                </div>
+              </div>
+            ))}
+          </div>
+          <div className="login-brand-footer">
+            <a
+              href={SITE_GITHUB_URL}
+              target="_blank"
+              rel="noopener noreferrer"
+              className="login-icon-link"
+              aria-label="GitHub"
+              title="GitHub"
+            >
+              <svg viewBox="0 0 24 24" aria-hidden="true" className="login-icon-link-svg">
+                <path
+                  fill="currentColor"
+                  d="M12 2C6.48 2 2 6.59 2 12.25c0 4.53 2.87 8.38 6.84 9.73.5.1.68-.22.68-.49 0-.24-.01-1.04-.01-1.88-2.78.62-3.37-1.22-3.37-1.22-.45-1.2-1.11-1.52-1.11-1.52-.91-.64.07-.63.07-.63 1 .07 1.53 1.06 1.53 1.06.9 1.57 2.35 1.12 2.92.85.09-.67.35-1.12.64-1.38-2.22-.26-4.55-1.15-4.55-5.13 0-1.13.39-2.05 1.03-2.77-.1-.26-.45-1.31.1-2.73 0 0 .84-.28 2.75 1.06A9.3 9.3 0 0 1 12 6.91c.85 0 1.71.12 2.51.35 1.91-1.34 2.75-1.06 2.75-1.06.55 1.42.2 2.47.1 2.73.64.72 1.03 1.64 1.03 2.77 0 3.99-2.34 4.86-4.57 5.12.36.33.68.97.68 1.96 0 1.42-.01 2.56-.01 2.91 0 .27.18.59.69.49A10.27 10.27 0 0 0 22 12.25C22 6.59 17.52 2 12 2Z"
+                />
+              </svg>
+            </a>
+            <a
+              href={SITE_DOCS_URL}
+              target="_blank"
+              rel="noopener noreferrer"
+              className="login-doc-link"
+            >
+              {t('部署文档')}
+            </a>
+          </div>
+        </section>
+
+        <section className="login-auth-stage">
+          <div className="login-auth-panel">
+            <div className="login-auth-eyebrow">{t('管理员入口')}</div>
+            <h2 className="login-auth-title">{t('登录')}</h2>
+            <p className="login-auth-copy">{t('请输入管理员令牌后继续。')}</p>
+            <label className="login-auth-label" htmlFor="admin-token-input">{t('管理员令牌')}</label>
+            <input
+              id="admin-token-input"
+              type="password"
+              placeholder={t('管理员令牌')}
+              value={token}
+              onChange={(e) => {
+                setToken(e.target.value);
+                setError('');
+              }}
+              onKeyDown={(e) => e.key === 'Enter' && handleLogin()}
+              className="login-auth-input"
+            />
+            {error && (
+              <div className="alert alert-error animate-shake" style={{ marginBottom: 12 }}>
+                {error}
+              </div>
+            )}
+            <button
+              onClick={handleLogin}
+              disabled={loading || !token}
+              className="btn btn-primary login-auth-submit"
+            >
+              {loading ? <><span className="spinner spinner-sm" style={{ borderTopColor: 'white', borderColor: 'rgba(255,255,255,0.3)' }} />{t('验证中...')}</> : t('登录')}
+            </button>
+            <div className="login-auth-note">{t('仅校验本地服务访问权限，不会把令牌发送到第三方。')}</div>
+            <div className="login-auth-footer">
+              <span>{t('管理员登录后继续。')}</span>
+            </div>
+          </div>
+        </section>
       </div>
     </div>
   );

src/web/docsLink.ts

@@ -1 +1,2 @@
-export const SITE_DOCS_URL = 'https://metapi.cita777.me/faq';
+export const SITE_DOCS_URL = 'https://metapi.cita777.me';
+export const SITE_GITHUB_URL = 'https://github.com/cita-777';

src/web/i18n.tsx

@@ -13,8 +13,15 @@ const zhToEn: Record<string, string> = {
   '无法连接到服务器': 'Unable to connect to server',
   '请输入管理员令牌后继续。': 'Enter admin token to continue.',
   '管理员令牌': 'Admin Token',
+  '管理员入口': 'Admin Access',
+  '部署文档': 'Deployment Docs',
+  '管理员登录后继续。': 'Continue with admin sign-in.',
+  '仅校验本地服务访问权限，不会把令牌发送到第三方。': 'Only checks local service access and never sends the token to a third party.',
   '验证中...': 'Verifying...',
   '登录': 'Sign In',
+  '中转站的中转站': 'The Hub of Hubs',
+  '把分散的 New API / One API / OneHub 等站点聚合成统一网关，自动发现模型、智能路由、成本更优。': 'Turn fragmented New API / One API / OneHub sites into one unified gateway with auto model discovery, smart routing, and better cost control.',
+  '兼容 New API / One API / OneHub / DoneHub / Veloera / AnyRouter / Sub2API': 'Compatible with New API / One API / OneHub / DoneHub / Veloera / AnyRouter / Sub2API',
   '用户名不能为空': 'Username cannot be empty',
   '用户名最多 24 个字符': 'Username can be at most 24 characters',
   '个人信息': 'Profile',

src/web/index.css

@@ -2016,11 +2016,6 @@ body {
   color: var(--color-text-muted);
 }
 
-.badge-purple {
-  background: #ede9fe;
-  color: #6d28d9;
-}
-
 .badge-link {
   display: inline-flex;
   text-decoration: none;
@@ -2382,11 +2377,6 @@ body[data-tooltip-portal="true"] [data-tooltip]::before {
   color: var(--color-text-muted);
 }
 
-[data-theme="dark"] .badge-purple {
-  background: #2e1065;
-  color: #c4b5fd;
-}
-
 [data-theme="dark"] .badge-link:hover .badge-muted,
 [data-theme="dark"] .badge-link:focus-visible .badge-muted {
   background: rgba(96, 165, 250, 0.2);
@@ -2692,6 +2682,490 @@ textarea {
   padding: 20px;
 }
 
+/* ===== Frontend Skill Surfaces ===== */
+.login-shell {
+  min-height: 100vh;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  padding: 32px;
+  background:
+    radial-gradient(circle at top left, rgba(59, 130, 246, 0.18), transparent 34%),
+    radial-gradient(circle at right 18%, rgba(34, 211, 238, 0.16), transparent 30%),
+    linear-gradient(180deg, #eef4fb 0%, #e9eef7 100%);
+}
+
+[data-theme="dark"] .login-shell {
+  background:
+    radial-gradient(circle at top left, rgba(59, 130, 246, 0.18), transparent 34%),
+    radial-gradient(circle at right 18%, rgba(34, 211, 238, 0.12), transparent 30%),
+    linear-gradient(180deg, #0d1320 0%, #0a1018 100%);
+}
+
+.login-surface {
+  width: min(1240px, 100%);
+  display: grid;
+  grid-template-columns: minmax(0, 1.16fr) minmax(360px, 440px);
+  gap: 24px;
+  padding: 20px;
+  background:
+    linear-gradient(145deg, rgba(255, 255, 255, 0.78), rgba(244, 248, 253, 0.88));
+  border: 1px solid rgba(255, 255, 255, 0.58);
+  border-radius: 36px;
+  box-shadow:
+    0 24px 60px rgba(148, 163, 184, 0.24),
+    inset 0 1px 0 rgba(255, 255, 255, 0.9);
+}
+
+[data-theme="dark"] .login-surface {
+  background:
+    linear-gradient(145deg, rgba(15, 23, 42, 0.88), rgba(10, 18, 30, 0.94));
+  border-color: rgba(148, 163, 184, 0.12);
+  box-shadow:
+    0 24px 80px rgba(2, 6, 23, 0.5),
+    inset 0 1px 0 rgba(255, 255, 255, 0.03);
+}
+
+.login-brand-panel {
+  position: relative;
+  min-height: 760px;
+  padding: 56px 56px 44px;
+  display: flex;
+  flex-direction: column;
+  gap: 28px;
+  color: var(--color-text-primary);
+  border-radius: 30px;
+  overflow: hidden;
+}
+
+.login-brand-panel-light {
+  background:
+    radial-gradient(circle at top left, rgba(96, 165, 250, 0.22), transparent 26%),
+    radial-gradient(circle at right 20%, rgba(34, 211, 238, 0.16), transparent 22%),
+    linear-gradient(160deg, #f8fbff 0%, #edf4ff 52%, #e9f0fa 100%);
+}
+
+.login-brand-panel::before {
+  content: '';
+  position: absolute;
+  inset: auto auto -12% -8%;
+  width: 280px;
+  height: 280px;
+  border-radius: 50%;
+  background: radial-gradient(circle, rgba(125, 211, 252, 0.2), transparent 68%);
+  pointer-events: none;
+}
+
+.login-brand-panel::after {
+  content: '';
+  position: absolute;
+  inset: 28px 26px auto auto;
+  width: 220px;
+  height: 220px;
+  border-radius: 50%;
+  background: radial-gradient(circle, rgba(59, 130, 246, 0.12), transparent 66%);
+  pointer-events: none;
+}
+
+.login-brand-header {
+  display: flex;
+  align-items: center;
+  gap: 20px;
+}
+
+.login-brand-summary {
+  display: flex;
+  flex-direction: column;
+  gap: 6px;
+}
+
+.brand-mark-frame {
+  position: relative;
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  flex-shrink: 0;
+  padding: 10px;
+  background: linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(227, 238, 252, 0.84));
+  border: 1px solid rgba(191, 219, 254, 0.6);
+  box-shadow:
+    0 24px 40px rgba(148, 163, 184, 0.22),
+    inset 0 1px 0 rgba(255, 255, 255, 0.94);
+}
+
+.brand-mark-frame::after {
+  content: '';
+  position: absolute;
+  inset: 6px;
+  border-radius: inherit;
+  border: 1px solid rgba(255, 255, 255, 0.62);
+  pointer-events: none;
+}
+
+.brand-mark-frame-hero {
+  width: 118px;
+  height: 118px;
+  border-radius: 36px;
+}
+
+.brand-mark-canvas {
+  width: 100%;
+  height: 100%;
+  padding: 10px;
+  border-radius: 28px;
+  overflow: hidden;
+  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(247, 250, 255, 0.92));
+  box-shadow:
+    inset 0 1px 0 rgba(255, 255, 255, 0.96),
+    0 12px 28px rgba(59, 130, 246, 0.1);
+}
+
+.login-brand-logo {
+  width: 100%;
+  height: 100%;
+  object-fit: contain;
+  border-radius: 20px;
+  filter: drop-shadow(0 8px 18px rgba(37, 99, 235, 0.16));
+}
+
+.login-brand-name {
+  font-family: 'Avenir Next', 'Segoe UI Variable Display', 'PingFang SC', 'Noto Sans SC', sans-serif;
+  font-size: clamp(34px, 3.2vw, 46px);
+  font-weight: 800;
+  letter-spacing: -0.05em;
+}
+
+.login-brand-kicker {
+  font-size: 12px;
+  font-weight: 700;
+  letter-spacing: 0.14em;
+  text-transform: uppercase;
+  color: #64748b;
+}
+
+.login-brand-copy-block {
+  display: grid;
+  max-width: 580px;
+}
+
+.login-brand-copy {
+  max-width: 42ch;
+  margin: 0;
+  font-size: 18px;
+  line-height: 1.92;
+  color: var(--color-text-secondary);
+}
+
+.login-compat-line {
+  max-width: 42ch;
+  font-size: 13px;
+  line-height: 1.8;
+  color: #475569;
+}
+
+.login-capability-list {
+  display: grid;
+  gap: 0;
+  max-width: 44rem;
+  margin-top: auto;
+  border-top: 1px solid rgba(148, 163, 184, 0.18);
+}
+
+.login-capability-row {
+  display: grid;
+  grid-template-columns: 36px minmax(0, 1fr);
+  gap: 16px;
+  align-items: start;
+  padding: 18px 0;
+  border-bottom: 1px solid rgba(148, 163, 184, 0.16);
+}
+
+.login-capability-index {
+  padding-top: 3px;
+  font-size: 11px;
+  font-weight: 700;
+  letter-spacing: 0.18em;
+  color: #64748b;
+}
+
+.login-capability-content {
+  display: grid;
+  gap: 6px;
+}
+
+.login-capability-title {
+  font-family: 'Avenir Next', 'Segoe UI Variable Display', 'PingFang SC', 'Noto Sans SC', sans-serif;
+  font-size: 18px;
+  font-weight: 700;
+  letter-spacing: -0.03em;
+  color: #0f172a;
+}
+
+.login-capability-desc {
+  margin: 0;
+  max-width: 34ch;
+  font-size: 14px;
+  line-height: 1.75;
+  color: var(--color-text-secondary);
+}
+
+.login-brand-footer {
+  display: flex;
+  align-items: center;
+  gap: 12px;
+}
+
+.login-icon-link {
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  width: 42px;
+  height: 42px;
+  border-radius: 999px;
+  border: 1px solid rgba(99, 102, 241, 0.12);
+  background: rgba(255, 255, 255, 0.76);
+  color: #0f172a;
+  text-decoration: none;
+  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
+}
+
+.login-icon-link:hover {
+  transform: translateY(-1px);
+  border-color: rgba(99, 102, 241, 0.2);
+  box-shadow: 0 10px 18px rgba(37, 99, 235, 0.12);
+}
+
+.login-icon-link-svg {
+  width: 18px;
+  height: 18px;
+}
+
+.login-doc-link {
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  padding: 10px 15px;
+  border-radius: 999px;
+  background: rgba(255, 255, 255, 0.76);
+  color: var(--color-primary);
+  border: 1px solid rgba(99, 102, 241, 0.16);
+  font-size: 12px;
+  font-weight: 700;
+  text-decoration: none;
+  transition: transform 0.18s ease, box-shadow 0.18s ease;
+}
+
+.login-doc-link:hover {
+  transform: translateY(-1px);
+  box-shadow: 0 10px 18px rgba(37, 99, 235, 0.12);
+}
+
+.login-auth-stage {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  padding: 24px;
+  border-radius: 30px;
+  background:
+    radial-gradient(circle at top, rgba(125, 211, 252, 0.16), transparent 34%),
+    linear-gradient(180deg, rgba(255, 255, 255, 0.44), rgba(241, 245, 249, 0.58));
+}
+
+.login-auth-panel {
+  width: min(100%, 392px);
+  padding: 40px 34px 28px;
+  border-radius: 28px;
+  border: 1px solid rgba(226, 232, 240, 0.92);
+  background: rgba(255, 255, 255, 0.92);
+  box-shadow:
+    0 28px 50px rgba(148, 163, 184, 0.22),
+    inset 0 1px 0 rgba(255, 255, 255, 0.94);
+  backdrop-filter: blur(10px);
+}
+
+.login-auth-eyebrow {
+  margin-bottom: 12px;
+  font-size: 11px;
+  font-weight: 700;
+  letter-spacing: 0.12em;
+  text-transform: uppercase;
+  color: var(--color-primary);
+}
+
+.login-auth-title {
+  margin: 0 0 10px;
+  font-family: 'Avenir Next', 'Segoe UI Variable Display', 'PingFang SC', 'Noto Sans SC', sans-serif;
+  font-size: 42px;
+  font-weight: 800;
+  line-height: 0.96;
+  letter-spacing: -0.05em;
+}
+
+.login-auth-copy {
+  margin: 0 0 24px;
+  font-size: 14px;
+  line-height: 1.7;
+  color: var(--color-text-secondary);
+}
+
+.login-auth-label {
+  margin-bottom: 8px;
+  font-size: 12px;
+  font-weight: 700;
+  color: var(--color-text-secondary);
+}
+
+.login-auth-input {
+  width: 100%;
+  padding: 14px 16px;
+  border: 1px solid color-mix(in srgb, var(--color-primary) 18%, var(--color-border));
+  border-radius: 16px;
+  font-size: 14px;
+  outline: none;
+  background: rgba(248, 250, 252, 0.92);
+  color: var(--color-text-primary);
+  margin-bottom: 14px;
+  transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
+}
+
+.login-auth-input:focus {
+  border-color: color-mix(in srgb, var(--color-primary) 56%, transparent);
+  box-shadow: 0 0 0 4px color-mix(in srgb, var(--color-primary) 12%, transparent);
+  background: var(--color-bg-card);
+}
+
+.login-auth-submit {
+  width: 100%;
+  padding: 13px 0;
+  font-size: 14px;
+  font-weight: 700;
+  border-radius: 16px;
+  box-shadow: 0 16px 24px rgba(99, 102, 241, 0.2);
+}
+
+.login-auth-note {
+  margin-top: 16px;
+  font-size: 12px;
+  line-height: 1.7;
+  color: var(--color-text-muted);
+}
+
+.login-auth-footer {
+  margin-top: 18px;
+  padding-top: 14px;
+  border-top: 1px solid rgba(226, 232, 240, 0.86);
+  font-size: 12px;
+  color: var(--color-text-muted);
+}
+
+[data-theme="dark"] .login-surface,
+[data-theme="dark"] .brand-mark-frame,
+[data-theme="dark"] .brand-mark-canvas,
+[data-theme="dark"] .login-auth-stage,
+[data-theme="dark"] .login-auth-panel {
+  border-color: color-mix(in srgb, var(--color-border) 86%, transparent);
+}
+
+[data-theme="dark"] .login-shell,
+[data-theme="dark"] .login-surface,
+[data-theme="dark"] .brand-mark-frame,
+[data-theme="dark"] .brand-mark-canvas,
+[data-theme="dark"] .login-auth-stage,
+[data-theme="dark"] .login-auth-panel {
+  background: color-mix(in srgb, var(--color-bg-card) 92%, #0f172a);
+}
+
+[data-theme="dark"] .login-brand-kicker,
+[data-theme="dark"] .login-compat-line,
+[data-theme="dark"] .login-capability-index,
+[data-theme="dark"] .login-icon-link,
+[data-theme="dark"] .login-auth-note,
+[data-theme="dark"] .login-auth-footer {
+  color: #cbd5e1;
+}
+
+[data-theme="dark"] .login-capability-title {
+  color: #f8fafc;
+}
+
+[data-theme="dark"] .login-auth-footer {
+  border-top-color: rgba(51, 65, 85, 0.9);
+}
+
+@media (max-width: 1080px) {
+  .login-surface {
+    grid-template-columns: 1fr;
+  }
+
+  .login-brand-panel {
+    min-height: auto;
+  }
+}
+
+@media (max-width: 900px) {
+  .login-shell {
+    padding: 18px;
+  }
+
+  .login-brand-panel {
+    min-height: auto;
+    padding: 36px 32px;
+  }
+
+  .login-auth-stage {
+    padding: 20px;
+  }
+
+  .login-auth-panel {
+    padding: 34px 28px 26px;
+  }
+
+  .login-capability-row {
+    grid-template-columns: 32px minmax(0, 1fr);
+    gap: 12px;
+  }
+}
+
+@media (max-width: 640px) {
+  .login-shell {
+    padding: 12px;
+  }
+
+  .login-surface {
+    padding: 12px;
+    border-radius: 24px;
+  }
+
+  .login-brand-panel {
+    padding: 28px 20px;
+    border-radius: 24px;
+  }
+
+  .login-auth-stage {
+    padding: 14px;
+    border-radius: 24px;
+  }
+
+  .login-auth-panel {
+    padding: 28px 22px 22px;
+    border-radius: 22px;
+  }
+
+  .brand-mark-frame-hero {
+    width: 96px;
+    height: 96px;
+    border-radius: 28px;
+  }
+
+  .login-brand-copy {
+    font-size: 15px;
+  }
+
+  .login-brand-footer {
+    margin-top: 0;
+  }
+}
+
 /* ===== Empty State ===== */
 .empty-state {
   text-align: center;