diff --git a/pages/TrailDetail.tsx b/pages/TrailDetail.tsx
index 79c2e56..be719f5 100644
--- a/pages/TrailDetail.tsx
+++ b/pages/TrailDetail.tsx
@@ -1,12 +1,12 @@
 import React, { useEffect, useMemo, useRef, useState } from 'react';
 import { ArrowDown, ArrowLeft, ArrowUp, BookOpen, ExternalLink, Loader2, Pencil, Plus, Save, Trash2, Upload, X } from 'lucide-react';
 import { useNavigate, useParams } from 'react-router-dom';
-import { adminApi, instructorApi, LearningPath, LearningPathInput } from '../services/api';
+import { adminApi, instructorApi, LearningPath, LearningPathInput, TrailCourseOption } from '../services/api';
 import { deleteCourse } from '../services/db';
 import { CourseCoverImage } from '../components/CourseCoverImage';
 import { useToast } from '../context/ToastContext';
 
-type CourseOption = { id: string; title: string; status: string; category: string; coverImageUrl: string | null };
+type CourseOption = TrailCourseOption;
 const emptyInput = (): LearningPathInput => ({ title: '', description: '', coverImageUrl: null, coverImageZoom: 1, coverImagePositionX: 50, coverImagePositionY: 50, status: 'draft', courseIds: [] });
 const toInput = (trail: LearningPath): LearningPathInput => ({ title: trail.title, description: trail.description, coverImageUrl: trail.coverImageUrl, coverImageZoom: trail.coverImageZoom, coverImagePositionX: trail.coverImagePositionX, coverImagePositionY: trail.coverImagePositionY, status: trail.status === 'published' ? 'published' : 'draft', courseIds: trail.courses.map((course) => course.id) });
 
@@ -26,8 +26,8 @@ export const TrailDetail: React.FC = () => {
   const load = async () => {
     setIsLoading(true);
     try {
-      const [pathsResponse, homeResponse] = await Promise.all([adminApi.listPaths(), adminApi.homeConfiguration()]);
-      setCourses(homeResponse.data.courses);
+      const [pathsResponse, coursesResponse] = await Promise.all([adminApi.listPaths(), adminApi.listPathCourses()]);
+      setCourses(coursesResponse.data);
       if (!isNew) {
         const found = pathsResponse.data.find((item) => item.id === trailId);
         if (!found) { showToast('Trilha não encontrada.', 'error'); navigate('/admin'); return; }
@@ -66,7 +66,7 @@ export const TrailDetail: React.FC = () => {
 
   const save = async (event: React.FormEvent) => {
     event.preventDefault();
-    if (input.courseIds.length === 0) { showToast('Adicione pelo menos um curso à trilha.', 'error'); return; }
+    if (input.status === 'published' && input.courseIds.length === 0) { showToast('Adicione pelo menos um curso antes de publicar a trilha.', 'error'); return; }
     setIsSaving(true);
     try {
       const response = isNew ? await adminApi.createPath(input) : await adminApi.updatePath(trail!.id, input);
diff --git a/server/src/routes/admin.ts b/server/src/routes/admin.ts
index ad5e380..4aba83e 100644
--- a/server/src/routes/admin.ts
+++ b/server/src/routes/admin.ts
@@ -58,7 +58,15 @@ const learningPathSchema = z.object({
   coverImagePositionX: z.number().min(0).max(100).default(50),
   coverImagePositionY: z.number().min(0).max(100).default(50),
   status: z.enum(['draft', 'published']).default('draft'),
-  courseIds: z.array(z.string().uuid()).min(1).max(100),
+  courseIds: z.array(z.string().uuid()).max(100),
+}).superRefine((input, context) => {
+  if (input.status === 'published' && input.courseIds.length === 0) {
+    context.addIssue({
+      code: z.ZodIssueCode.custom,
+      path: ['courseIds'],
+      message: 'Adicione pelo menos um curso antes de publicar a trilha.',
+    });
+  }
 });
 
 type LearningPathInput = z.infer<typeof learningPathSchema>;
@@ -143,6 +151,17 @@ export const adminRoutes: FastifyPluginAsync = async (app) => {
 
   app.get('/paths', adminAccess, async () => ({ data: await getLearningPaths() }));
 
+  app.get('/path-courses', adminAccess, async () => {
+    const result = await pool.query<{ id: string; title: string; status: string; category: string; coverImageUrl: string | null }>(
+      `select id, title, status, category,
+              coalesce(cover_image_url, (select value #>> '{}' from platform_settings where key = 'media.defaultCoverImageUrl')) as "coverImageUrl"
+         from courses
+        where status <> 'archived'
+        order by category, title`,
+    );
+    return { data: result.rows };
+  });
+
   app.get('/home-banners', adminAccess, async () => ({ data: await selectHomeBanners() }));
 
   app.put('/home-banners', adminAccess, async (request) => {
@@ -189,7 +208,7 @@ export const adminRoutes: FastifyPluginAsync = async (app) => {
       return reply.code(201).send({ data: paths.find((item) => item.id === path.rows[0].id) });
     } catch (error) {
       await client.query('rollback');
-      if (error instanceof Error && /course|Publish/.test(error.message)) return reply.code(400).send({ error: error.message });
+      if (error instanceof Error && /curso|publique/i.test(error.message)) return reply.code(400).send({ error: error.message });
       throw error;
     } finally {
       client.release();
@@ -223,7 +242,7 @@ export const adminRoutes: FastifyPluginAsync = async (app) => {
       return { data: paths.find((item) => item.id === pathId) };
     } catch (error) {
       await client.query('rollback');
-      if (error instanceof Error && /course|Publish/.test(error.message)) return reply.code(400).send({ error: error.message });
+      if (error instanceof Error && /curso|publique/i.test(error.message)) return reply.code(400).send({ error: error.message });
       throw error;
     } finally {
       client.release();
diff --git a/services/api.ts b/services/api.ts
index d47fb6e..d9fc37a 100644
--- a/services/api.ts
+++ b/services/api.ts
@@ -74,6 +74,13 @@ export interface LearningPathInput {
   status: 'draft' | 'published';
   courseIds: string[];
 }
+export interface TrailCourseOption {
+  id: string;
+  title: string;
+  status: 'draft' | 'published';
+  category: string;
+  coverImageUrl: string | null;
+}
 export interface HomeBannerInput {
   kind: 'course' | 'custom';
   courseId: string | null;
@@ -197,6 +204,7 @@ export const adminApi = {
   async createCategory(name: string) { return apiRequest<{ data: { id: string; name: string; position: number; isActive: boolean } }>('/admin/categories', { method: 'POST', body: JSON.stringify({ name }) }); },
   async updateCategory(categoryId: string, update: { name: string; isActive?: boolean; position?: number }) { return apiRequest<{ data: { id: string; name: string; position: number; isActive: boolean } }>(`/admin/categories/${categoryId}`, { method: 'PATCH', body: JSON.stringify(update) }); },
   async listPaths() { return apiRequest<{ data: LearningPath[] }>('/admin/paths'); },
+  async listPathCourses() { return apiRequest<{ data: TrailCourseOption[] }>('/admin/path-courses'); },
   async createPath(input: LearningPathInput) { return apiRequest<{ data: LearningPath }>('/admin/paths', { method: 'POST', body: JSON.stringify(input) }); },
   async updatePath(pathId: string, input: LearningPathInput) { return apiRequest<{ data: LearningPath }>(`/admin/paths/${pathId}`, { method: 'PATCH', body: JSON.stringify(input) }); },
   async deletePath(pathId: string) { return apiRequest<void>(`/admin/paths/${pathId}`, { method: 'DELETE' }); },