feat: implement DetailDialog component for PDF viewing and downloading; refactor API calls to use environment variables

src/lib/api.ts

@@ -1,7 +1,7 @@
 // api.ts
 const API_BASE =
   (import.meta.env.VITE_API_BASE?.replace(/\/$/, "")) ||
-  "https://genesis-engine.apps.lci.ulsa.mx"; // 👈 tu Bun.serve real
+  `${import.meta.env.VITE_BACK_ORIGIN}`; // 👈 tu Bun.serve real
 
 export async function postAPI<T=any>(path: string, body: any): Promise<T> {
   const url = `${API_BASE}${path}`;