dashboard con sidebar para el instructor

src/app/_content.tsx

@@ -86,7 +86,7 @@ export default function HomeContent() {
                 placeholder="Buscar cursos..."
                 value={searchQuery}
                 onChange={(e) => setSearchQuery(e.target.value)}
-                className={`w-full pl-9 pr-4 py-2.5 text-sm rounded-xl bg-transparent outline-none ${isDark ? "text-white placeholder:text-slate-500" : "text-slate-800 placeholder:text-slate-400"}`}
+                className={`w-full pl-9 pr-4 py-2.5 text-sm rounded-xl bg-transparent outline-none ${isDark ? "text-white" : "text-slate-800"}`}
               />
             </div>
 
@@ -179,7 +179,7 @@ export default function HomeContent() {
                       className={`flex items-center gap-1 ${isDark ? "text-slate-400" : "text-slate-500"}`}
                     >
                       <FiUsers className="text-violet-400" />
-                      {inst.totalStudents.toLocaleString()} alumnos
+                      {inst.totalStudents.toString()} alumnos
                     </span>
                   </div>
                 </div>