admin ui: align base styles to Ant Design Pro light tokens

tests/Feature/AdminBaseCssShouldUseLightThemeTokensTest.php

@@ -0,0 +1,38 @@
+<?php
+
+namespace Tests\Feature;
+
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class AdminBaseCssShouldUseLightThemeTokensTest extends TestCase
+{
+    use RefreshDatabase;
+
+    protected function loginAsPlatformAdmin(): void
+    {
+        $this->seed();
+
+        $this->post('/admin/login', [
+            'email' => 'platform.admin@demo.local',
+            'password' => 'Platform@123456',
+        ])->assertRedirect('/admin');
+    }
+
+    public function test_admin_base_css_should_use_light_theme_tokens(): void
+    {
+        $this->loginAsPlatformAdmin();
+
+        $css = file_get_contents(public_path('css/admin-base.css'));
+        $this->assertIsString($css);
+
+        // 核心：body 文本应引用 --adm-text（浅色主题为深色文字），避免仍残留暗色文字默认值
+        $this->assertStringContainsString('color:var(--adm-text, #0f172a)', $css);
+
+        // 表格分割线应引用 --adm-border-color（浅色主题为浅边框），避免仍硬编码 #334155
+        $this->assertStringContainsString('border-bottom:1px solid var(--adm-border-color', $css);
+
+        // 表单 focus 需要有主色描边（Ant Design Pro 关键交互反馈）
+        $this->assertStringContainsString('box-shadow:0 0 0 3px rgba(22, 119, 255, .12)', $css);
+    }
+}