style(vcen-edit): alinea tipografía del sidebar del catálogo con el de atributos

text-xs → text-sm, py-1.5 → py-2, colores activo/inactivo homogéneos
(bg-gray-800 border-blue-500 / text-gray-300) en todos los ítems del árbol

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/vcen-edit/comps/CatalogSidebar.svelte

@@ -86,9 +86,9 @@ function isNodeActive(kind: string, objId?: ObjID, secId?: SecID): boolean {
     return isActiveSel(kind, objId, secId)
 }
 
-const ITEM_BASE = "flex items-center gap-1.5 px-3 py-1.5 text-xs cursor-pointer select-none transition-colors border-l-2"
+const ITEM_BASE = "flex items-center gap-1.5 px-3 py-2 text-sm cursor-pointer select-none transition-colors border-l-2"
-const ITEM_ACTIVE = "bg-indigo-600/10 text-indigo-300 border-indigo-500"
+const ITEM_ACTIVE = "bg-gray-800 text-gray-100 border-blue-500"
-const ITEM_INACTIVE = "text-gray-500 hover:text-gray-200 hover:bg-gray-800/50 border-transparent"
+const ITEM_INACTIVE = "text-gray-300 hover:text-gray-100 hover:bg-gray-800 border-transparent"
 </script>
 
 <div class="py-2">
@@ -203,8 +203,8 @@ const ITEM_INACTIVE = "text-gray-500 hover:text-gray-200 hover:bg-gray-800/50 bo
                 role="button" tabindex="0"
                 onclick={() => toggleObj(obj.id)}
                 onkeydown={e => e.key === 'Enter' && toggleObj(obj.id)}
-                class="flex items-center gap-1.5 px-3 py-1.5 text-xs cursor-pointer
+                class="flex items-center gap-1.5 px-3 py-2 text-sm cursor-pointer
-                       select-none transition-colors text-gray-400 hover:text-gray-200 hover:bg-gray-800/40
+                       select-none transition-colors text-gray-300 hover:text-gray-100 hover:bg-gray-800
                        border-l-2 border-transparent group"
             >
                 <svg
@@ -318,8 +318,8 @@ const ITEM_INACTIVE = "text-gray-500 hover:text-gray-200 hover:bg-gray-800/50 bo
                         role="button" tabindex="0"
                         onclick={() => toggleSec(sec.id)}
                         onkeydown={e => e.key === 'Enter' && toggleSec(sec.id)}
-                        class="flex items-center gap-1.5 pl-9 pr-3 py-1 text-xs cursor-pointer
+                        class="flex items-center gap-1.5 pl-9 pr-3 py-2 text-sm cursor-pointer
-                               select-none transition-colors text-gray-500 hover:text-gray-200 hover:bg-gray-800/40
+                               select-none transition-colors text-gray-300 hover:text-gray-100 hover:bg-gray-800
                                border-l-2 border-transparent group"
                     >
                         <svg