Refactor dialog components to use form-container for improved layout and styling; update button styles for consistency

src/Duempelkas.App/Pages/Accounts/AccountDetail.razor

@@ -130,6 +130,8 @@
                    Message="@($"Soll \"{confirmDeleteEntryTitle}\" wirklich gelöscht werden?")"
                    ConfirmText="Ja, löschen"
                    CancelText="Nein, abbrechen"
+                   ConfirmButtonClass="btn btn-danger"
+                   ConfirmIconClass="bi bi-trash"
                    OnConfirm="HandleConfirmDelete"
                    OnCancel="CancelDeleteConfirm" />
 }
@@ -140,6 +142,8 @@
                    Message="@($"Soll \"{confirmRestoreEntryTitle}\" wiederhergestellt werden?")"
                    ConfirmText="Ja, wiederherstellen"
                    CancelText="Nein, abbrechen"
+                   ConfirmButtonClass="btn btn-warning"
+                   ConfirmIconClass="bi bi-arrow-clockwise"
                    OnConfirm="HandleConfirmRestore"
                    OnCancel="CancelRestoreConfirm" />
 }

src/Duempelkas.App/Pages/Dashboard.razor

@@ -1,9 +1,17 @@
 @page "/"
 @inject IAccountService AccountService
+@inject ISettingsService SettingsService
 
 <div class="container-fluid">
     <div class="d-flex justify-content-between align-items-center mb-4">
-        <h2>Übersicht</h2>
+        <div class="d-flex align-items-center flex-grow-1" style="min-width: 0;">
+            <h2 class="mb-0 mt-0" style="overflow: hidden; text-overflow: ellipsis; white-space: nowrap;">
+                @DisplayClubName
+                <button class="btn-edit-pen" @onclick="() => showEditClubName = true" title="Vereinsname bearbeiten">
+                    <i class="bi bi-pencil"></i>
+                </button>
+            </h2>
+        </div>
         <div class="d-flex gap-2">
             <button class="btn btn-primary" @onclick="() => showAddAccount = true">
                 <i class="bi bi-plus-lg"></i> Neues Konto
@@ -38,12 +46,25 @@
     <AddAccountDialog OnSave="HandleAccountCreated" OnCancel="() => showAddAccount = false" />
 }
 
+@if (showEditClubName)
+{
+    <EditNameDialog CurrentName="clubName"
+                    DialogTitle="Vereinsname bearbeiten"
+                    NameLabel="Vereinsname"
+                    OnSave="HandleSaveClubName"
+                    OnCancel="() => showEditClubName = false" />
+}
+
 @code {
     private List<AccountSummaryDto>? accounts;
     private bool showAddAccount;
+    private bool showEditClubName;
+    private string clubName = string.Empty;
+    private string DisplayClubName => string.IsNullOrWhiteSpace(clubName) ? "Mein Verein" : clubName;
 
     protected override async Task OnInitializedAsync()
     {
+        await LoadClubName();
         await LoadAccounts();
     }
 
@@ -52,10 +73,22 @@
         accounts = await AccountService.GetAllAccountsAsync();
     }
 
+    private async Task LoadClubName()
+    {
+        clubName = await SettingsService.GetClubNameAsync() ?? string.Empty;
+    }
+
     private async Task HandleAccountCreated(string name)
     {
         await AccountService.CreateAccountAsync(name);
         showAddAccount = false;
         await LoadAccounts();
     }
+
+    private async Task HandleSaveClubName(string newName)
+    {
+        await SettingsService.SetClubNameAsync(newName);
+        showEditClubName = false;
+        await LoadClubName();
+    }
 }