refactor: admin ui를 fluent v5와 html 기반으로 전환

TaxBaik.Web/Components/Admin/Pages/Inquiries/InquiryCreate.razor

@@ -5,51 +5,41 @@
 @using TaxBaik.Web.Components.Admin.Forms
 @inject InquiryService InquiryService
 @inject NavigationManager Navigation
-@inject ISnackbar Snackbar
+@inject IJSRuntime JS
 
 <PageTitle>문의 등록</PageTitle>
 
 <section class="admin-page-hero">
     <div>
-        <MudText Typo="Typo.caption" Class="admin-eyebrow">Customer Relations</MudText>
-        <MudText Typo="Typo.h4" Class="admin-page-title">새 문의 등록</MudText>
-        <MudText Typo="Typo.body2" Class="admin-page-subtitle">고객 문의를 등록합니다. (전화, 오프라인 등)</MudText>
+        <div class="admin-eyebrow">Customer Relations</div>
+        <h1 class="admin-page-title">새 문의 등록</h1>
+        <p class="admin-page-subtitle">고객 문의를 등록합니다. (전화, 오프라인 등)</p>
     </div>
-    <MudButton Variant="Variant.Outlined" StartIcon="@Icons.Material.Filled.Close" @onclick="GoBack">취소</MudButton>
+    <button type="button" class="site-button secondary" @onclick="GoBack">취소</button>
 </section>
 
-<MudPaper Class="pa-4 mt-4" Elevation="1">
+<div class="admin-surface mt-4">
     <InquiryForm ButtonText="등록" OnSubmit="HandleCreate" OnCancel="GoBack" />
-</MudPaper>
+</div>
 
 @code {
-    private void GoBack()
-    {
-        Navigation.NavigateTo("/taxbaik/admin/inquiries");
-    }
+    private void GoBack() => Navigation.NavigateTo("/taxbaik/admin/inquiries");
 
     private async Task HandleCreate(InquiryForm.InquiryFormModel model)
     {
         try
         {
-            await InquiryService.SubmitAsync(
-                model.Name,
-                model.Phone,
-                model.ServiceType,
-                model.Message,
-                model.Email,
-                ipAddress: "admin-registered");
-
-            Snackbar.Add("문의가 등록되었습니다.", Severity.Success);
+            await InquiryService.SubmitAsync(model.Name, model.Phone, model.ServiceType, model.Message, model.Email, ipAddress: "admin-registered");
+            await JS.InvokeVoidAsync("alert", "문의가 등록되었습니다.");
             Navigation.NavigateTo("/taxbaik/admin/inquiries");
         }
         catch (ValidationException ex)
         {
-            Snackbar.Add(ex.Message, Severity.Error);
+            await JS.InvokeVoidAsync("alert", ex.Message);
         }
         catch (Exception ex)
         {
-            Snackbar.Add($"등록 실패: {ex.Message}", Severity.Error);
+            await JS.InvokeVoidAsync("alert", $"등록 실패: {ex.Message}");
         }
     }
 }