Merge pull request #458 from bayma888/feature/admin-user-balance-history

feat(admin): 管理员可查看每个用户充值和并发变动记录、点击余额可直接查看、优化弹框UI

frontend/src/components/common/BaseDialog.vue

@@ -4,6 +4,7 @@
       <div
         v-if="show"
         class="modal-overlay"
+        :style="zIndexStyle"
         :aria-labelledby="dialogId"
         role="dialog"
         aria-modal="true"
@@ -60,6 +61,7 @@ interface Props {
   width?: DialogWidth
   closeOnEscape?: boolean
   closeOnClickOutside?: boolean
+  zIndex?: number
 }
 
 interface Emits {
@@ -69,11 +71,17 @@ interface Emits {
 const props = withDefaults(defineProps<Props>(), {
   width: 'normal',
   closeOnEscape: true,
-  closeOnClickOutside: false
+  closeOnClickOutside: false,
+  zIndex: 50
 })
 
 const emit = defineEmits<Emits>()
 
+// Custom z-index style (overrides the default z-50 from CSS)
+const zIndexStyle = computed(() => {
+  return props.zIndex !== 50 ? { zIndex: props.zIndex } : undefined
+})
+
 const widthClasses = computed(() => {
   // Width guidance: narrow=confirm/short prompts, normal=standard forms,
   // wide=multi-section forms or rich content, extra-wide=analytics/tables,