diff --git a/migrations/20260304_roles_seed_data.sql b/migrations/20260304_roles_seed_data.sql
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index 0000000..bd50e57
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+-- ============================================================
+-- Migración: Datos iniciales de roles y módulos
+-- Fecha: 2026-03-04
+-- Descripción: Inserta/corrige datos en roles, role_modules
+--              y vincula admin_users.role_id. Idempotente.
+-- ============================================================
+
+-- Corregir colores de roles del sistema
+UPDATE `roles` SET `color` = '#0d6efd' WHERE `slug` = 'admin';
+UPDATE `roles` SET `color` = '#6f42c1' WHERE `slug` = 'enfermero';
+
+-- Módulos para el rol Administrador (todos)
+INSERT IGNORE INTO `role_modules` (`role_id`, `module_slug`) VALUES
+(1, 'whatsapp'),
+(1, 'lab_dashboard'),
+(1, 'lab_ordenes'),
+(1, 'lab_pacientes'),
+(1, 'lab_domicilios'),
+(1, 'lab_enfermeras'),
+(1, 'lab_formularios'),
+(1, 'lab_reportes'),
+(1, 'lab_configuracion'),
+(1, 'usuarios');
+
+-- Módulos para el rol Enfermero
+INSERT IGNORE INTO `role_modules` (`role_id`, `module_slug`) VALUES
+(2, 'enfermero_portal'),
+(2, 'lab_formularios');
+
+-- Vincular usuarios admin existentes con role_id
+UPDATE `admin_users` SET `role_id` = 1 WHERE `role` = 'admin'     AND `role_id` IS NULL;
+UPDATE `admin_users` SET `role_id` = 2 WHERE `role` = 'enfermero' AND `role_id` IS NULL;
+UPDATE `admin_users` SET `role_id` = 1 WHERE `role_id` IS NULL;