diff --git a/.gitignore b/.gitignore
index 63a625a..cf261b5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,6 +4,9 @@ target/
 !**/src/main/**/target/
 !**/src/test/**/target/
 
+### Audios (binarios grandes, subir directamente al servidor) ###
+src/main/resources/static/audios/
+
 ### Credenciales (nunca subir al repo) ###
 .env
 *.env
diff --git a/src/main/resources/templates/curso.html b/src/main/resources/templates/curso.html
index 0d26dea..93d14c0 100644
--- a/src/main/resources/templates/curso.html
+++ b/src/main/resources/templates/curso.html
@@ -29,6 +29,7 @@
     <!-- Usuario / sesión -->
     <div class="topbar-user">
       <span sec:authorize="isAuthenticated()" class="user-email" sec:authentication="principal.username"></span>
+      <a sec:authorize="hasRole('ADMIN')" th:href="@{/admin/usuarios}" class="btn-login" style="margin-right:.5rem">Admin</a>
       <form sec:authorize="isAuthenticated()" th:action="@{/logout}" method="post" style="margin:0">
         <button type="submit" class="btn-logout">Salir</button>
       </form>
diff --git a/src/main/resources/templates/index.html b/src/main/resources/templates/index.html
index 518c6e8..16a7fce 100644
--- a/src/main/resources/templates/index.html
+++ b/src/main/resources/templates/index.html
@@ -23,6 +23,7 @@
     <!-- Usuario / sesión -->
     <div class="topbar-user">
       <span sec:authorize="isAuthenticated()" class="user-email" sec:authentication="principal.username"></span>
+      <a sec:authorize="hasRole('ADMIN')" th:href="@{/admin/usuarios}" class="btn-login" style="margin-right:.5rem">Admin</a>
       <form sec:authorize="isAuthenticated()" th:action="@{/logout}" method="post" style="margin:0">
         <button type="submit" class="btn-logout">Salir</button>
       </form>