fix: simplify admin login inputs

TaxBaik.Web/Components/Admin/Pages/Login.razor

@@ -14,21 +14,30 @@
     <MudPaper Class="pa-8" Elevation="3" Style="width: 100%; max-width: 400px;">
         <MudText Typo="Typo.h4" Class="mb-6 text-center">관리자 로그인</MudText>
 
-        <EditForm Model="model">
-            <MudTextField @bind-Value="model.Username" Label="사용자명"
-                Variant="Variant.Outlined" Required="true" Class="mb-4" />
+        <div>
+            <input class="mud-input mud-input-outlined mud-input-root mud-input-root-adorned-start mb-4"
+                   style="width: 100%; min-height: 56px; padding: 16px 14px;"
+                   placeholder="사용자명"
+                   autocomplete="username"
+                   @bind="model.Username" />
 
-            <MudTextField @bind-Value="model.Password" Label="비밀번호" InputType="InputType.Password"
-                Variant="Variant.Outlined" Required="true" Class="mb-4" />
+            <input type="password"
+                   class="mud-input mud-input-outlined mud-input-root mud-input-root-adorned-start mb-4"
+                   style="width: 100%; min-height: 56px; padding: 16px 14px;"
+                   placeholder="비밀번호"
+                   autocomplete="current-password"
+                   @bind="model.Password" />
 
             @if (!string.IsNullOrEmpty(errorMessage))
             {
                 <MudAlert Severity="Severity.Error" Class="mb-4">@errorMessage</MudAlert>
             }
 
-            <MudButton Variant="Variant.Filled" Color="Color.Primary" FullWidth="true"
-                ButtonType="ButtonType.Button"
-                Size="Size.Large" OnClick="HandleLogin" Disabled="isLoading">
+            <button type="button"
+                    class="mud-button-root mud-button mud-button-filled mud-button-filled-primary mud-elevation-0"
+                    style="width: 100%; min-height: 52px; border: 0; border-radius: 4px; color: white;"
+                    @onclick="HandleLogin"
+                    disabled="@isLoading">
                 @if (isLoading)
                 {
                     <MudProgressCircular Size="Size.Small" Indeterminate="true" Class="mr-2" />
@@ -38,8 +47,8 @@
                 {
                     <span>로그인</span>
                 }
-            </MudButton>
-        </EditForm>
+            </button>
+        </div>
     </MudPaper>
 </MudContainer>