Tabler polish for client and blog editors

src/TaxBaik.Web/wwwroot/css/admin.css

@@ -415,6 +415,47 @@ html, body {
   min-height: calc(100vh - 140px);
 }
 
+.admin-page-shell {
+  display: grid;
+  gap: 1rem;
+}
+
+.details-grid dt {
+  color: var(--text-secondary);
+  font-weight: var(--font-weight-semibold);
+  margin-bottom: 0.35rem;
+}
+
+.details-grid dd {
+  margin-bottom: 1rem;
+  color: var(--text-primary);
+}
+
+.blog-editor-shell .card,
+.admin-page-shell .card {
+  border-radius: var(--radius-xl);
+  box-shadow: var(--shadow-sm);
+}
+
+.blog-editor-shell .card-header,
+.admin-page-shell .card-header {
+  background: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
+}
+
+.blog-editor-shell .card-footer,
+.admin-page-shell .card-footer {
+  background: #fff;
+}
+
+.blog-editor-shell .editor-toolbar .btn {
+  border-radius: var(--radius-full);
+}
+
+.blog-editor-shell .blog-preview-pane {
+  border-radius: var(--radius-lg);
+  background: #fff;
+}
+
 .breadcrumb-muted {
   --bs-breadcrumb-divider-color: var(--text-tertiary);
   margin-bottom: 0;