Refactor AddEntryDialog and AccountDetail for improved UI consistency; remove unused AddYearDialog; enhance Dashboard layout and button styles

src/Duempelkas.App/Pages/Dashboard.razor

@@ -3,25 +3,24 @@
 @inject ISettingsService SettingsService
 
 <div class="container-fluid">
-    <div class="d-flex justify-content-between align-items-center mb-4">
+
+    <div class="d-flex justify-content-between align-items-center">
         <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;">
+            <h1 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
-            </button>
-            <a class="btn btn-outline-secondary" href="/settings">
-                <i class="bi bi-gear"></i> Einstellungen
-            </a>
+            </h1>
         </div>
     </div>
 
+    <div class="d-flex align-items-center gap-2 py-3 flex-wrap">
+        <button class="btn-nav btn-primary" @onclick="() => showAddAccount = true">
+            <i class="bi bi-plus-lg"></i> Neues Konto
+        </button>
+    </div>
+
     @if (accounts == null)
     {
         <div class="text-center py-5">
@@ -48,11 +47,8 @@
 
 @if (showEditClubName)
 {
-    <EditNameDialog CurrentName="clubName"
-                    DialogTitle="Vereinsname bearbeiten"
-                    NameLabel="Vereinsname"
-                    OnSave="HandleSaveClubName"
-                    OnCancel="() => showEditClubName = false" />
+    <EditNameDialog CurrentName="@DisplayClubName" DialogTitle="Vereinsname bearbeiten" NameLabel="Vereinsname"
+                    OnSave="HandleSaveClubName" OnCancel="() => showEditClubName = false" />
 }
 
 @code {