feat: 管理界面报刊风统一改造 — 移除独立暗色主题,预测/回测/监控/配置页增强

frontend/src/index.css

@@ -101,53 +101,6 @@
   }
 }
 
-/* ── Admin 后台:暗色主题覆盖 ── */
-@layer base {
-  /* Admin 区域内滚动条暗色化 */
-  .dark-scroll::-webkit-scrollbar-thumb {
-    @apply bg-gray-600;
-  }
-  .dark-scroll::-webkit-scrollbar-thumb:hover {
-    @apply bg-gray-500;
-  }
-}
-
-@layer components {
-  /* Admin 输入框统一样式 */
-  .admin-input {
-    @apply w-full rounded-md border border-gray-700 bg-gray-800 px-3 py-2 text-sm text-gray-200
-           transition-colors placeholder:text-gray-600
-           focus:border-blue-500 focus:outline-none focus:ring-1 focus:ring-blue-500;
-  }
-
-  /* Admin 按钮 */
-  .admin-btn {
-    @apply inline-flex items-center justify-center gap-1.5 rounded-md border border-gray-700
-           bg-gray-800 px-4 py-2 text-sm font-medium text-gray-200
-           transition-colors hover:border-gray-600 hover:bg-gray-700
-           disabled:cursor-not-allowed disabled:opacity-40;
-  }
-
-  .admin-btn-primary {
-    @apply border-blue-600 bg-blue-600 text-white hover:bg-blue-700 hover:border-blue-700;
-  }
-
-  .admin-btn-danger {
-    @apply border-red-600 bg-red-600 text-white hover:bg-red-700 hover:border-red-700;
-  }
-
-  /* Admin 卡片通用 */
-  .admin-card {
-    @apply rounded-lg border border-gray-800 bg-gray-900;
-  }
-
-  /* 表格行动态 */
-  .admin-row-hover {
-    @apply transition-colors hover:bg-gray-800/40;
-  }
-
-  /* 状态点 */
-  .status-dot {
-    @apply inline-block h-2 w-2 rounded-full;
-  }
-}
+/* ── Admin 后台 ──
+   与前台共用同一套报刊风组件(.btn/.field/.tab/.section-head/.skeleton),
+   不再单独维护暗色主题。 */