Add UserActionLog and enhance registry features

- Introduced `UserActionLog` entity to track user actions.
- Replaced `CanBeSecondHand` with `PreferSecondHand` property.
- Added `ShowBankAccountName` to `RegistrySettings`.
- Updated models and migrations for new properties.
- Enhanced `RegistryService` with user action logging and item details.
- Redesigned `Home.razor` with a grid layout and modal for registries.
- Added `RegistryActionLog.razor` for admin action logs.
- Improved `RegistryPublic.razor` with purchaser/contributor details.
- Replaced sidebar with `TopBar.razor` for responsive navigation.
- Updated CSS for new components and improved responsiveness.

src/BirthList.Web/Components/Pages/Home.razor.css

@@ -1,7 +1,142 @@
 h1 {
-    margin-bottom: 1rem;
+    margin-bottom: 2rem;
 }
 
 h2 {
-    margin-bottom: 0.75rem;
+    margin-bottom: 1.5rem;
+}
+
+.registry-sections {
+    max-width: 1200px;
+}
+
+.section-header {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    margin-bottom: 1.5rem;
+}
+
+.section-header h2 {
+    margin: 0;
+}
+
+.registry-grid {
+    display: grid;
+    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
+    gap: 1.5rem;
+    margin-bottom: 2rem;
+}
+
+.registry-card {
+    background: white;
+    border: 1px solid #dee2e6;
+    border-radius: 0.375rem;
+    padding: 1.5rem;
+    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
+    transition: box-shadow 0.2s;
+}
+
+.registry-card:hover {
+    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
+}
+
+.registry-card h3 {
+    margin: 0 0 1rem 0;
+    font-size: 1.25rem;
+    color: #212529;
+    word-break: break-word;
+}
+
+.registry-actions {
+    display: flex;
+    gap: 0.5rem;
+}
+
+.registry-actions .btn {
+    flex: 1;
+    text-align: center;
+}
+
+.text-muted {
+    color: #6c757d;
+    font-style: italic;
+}
+
+/* Modal overlay */
+.create-registry-modal-overlay {
+    position: fixed;
+    top: 0;
+    left: 0;
+    right: 0;
+    bottom: 0;
+    background-color: rgba(0, 0, 0, 0.5);
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    z-index: 1050;
+}
+
+.create-registry-modal {
+    background: white;
+    border-radius: 0.375rem;
+    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
+    max-width: 500px;
+    width: 90%;
+    max-height: 90vh;
+    overflow-y: auto;
+}
+
+.modal-header {
+    padding: 1.5rem;
+    border-bottom: 1px solid #dee2e6;
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+}
+
+.modal-title {
+    margin: 0;
+    font-size: 1.25rem;
+}
+
+.btn-close {
+    background: none;
+    border: none;
+    cursor: pointer;
+    font-size: 1.5rem;
+    color: #6c757d;
+    padding: 0.25rem;
+}
+
+.btn-close:hover {
+    color: #000;
+}
+
+.modal-body {
+    padding: 1.5rem;
+}
+
+.modal-footer {
+    padding: 1.5rem;
+    border-top: 1px solid #dee2e6;
+    display: flex;
+    justify-content: flex-end;
+    gap: 0.75rem;
+}
+
+@media (max-width: 576px) {
+    .registry-grid {
+        grid-template-columns: 1fr;
+    }
+
+    .section-header {
+        flex-direction: column;
+        align-items: flex-start;
+        gap: 1rem;
+    }
+
+    .section-header .btn {
+        width: 100%;
+    }
 }