diff --git a/src/routes/planes2/$planId/MateriaCard.tsx b/src/routes/planes2/$planId/MateriaCard.tsx
new file mode 100644
index 0000000..03e9668
--- /dev/null
+++ b/src/routes/planes2/$planId/MateriaCard.tsx
@@ -0,0 +1,136 @@
+import * as Dialog from '@radix-ui/react-dialog';
+import { Pencil, X, Info } from 'lucide-react';
+export type Materia = {
+  id: string;
+  clave: string;
+  nombre: string;
+  creditos: number;
+  hd: number; // Horas Docente
+  hi: number; // Horas Independientes
+  tipo: 'Obligatoria' | 'Optativa' | 'Especialidad';
+  ciclo: number;
+  linea: string;
+};
+
+interface MateriaCardProps {
+  materia: Materia;
+}
+
+export function MateriaCard({ materia }: MateriaCardProps) {
+  return (
+    <Dialog.Root>
+      {/* Trigger: La tarjeta en sí misma */}
+      <Dialog.Trigger asChild>
+        <div className="group relative flex flex-col p-2 mb-2 rounded-lg border border-slate-200 bg-white hover:border-emerald-500 hover:shadow-md transition-all cursor-pointer select-none">
+          {/* Header de la tarjeta */}
+          <div className="flex justify-between items-start mb-1">
+            <span className="text-[9px] font-mono font-bold text-slate-400 uppercase">{materia.clave}</span>
+            <div className="flex gap-1">
+              <span className="px-1.5 py-0.5 rounded-full bg-emerald-100 text-emerald-700 text-[8px] font-bold uppercase">
+                {materia.tipo === 'Obligatoria' ? 'OB' : 'OP'}
+              </span>
+            </div>
+          </div>
+
+          {/* Nombre */}
+          <h4 className="text-[11px] font-semibold text-slate-800 leading-tight mb-2 min-h-[2rem]">
+            {materia.nombre}
+          </h4>
+
+          {/* Footer de la tarjeta (Créditos y Horas) */}
+          <div className="flex justify-between items-center text-[9px] text-slate-500 border-t pt-1 border-slate-50">
+            <span>{materia.creditos} cr</span>
+            <div className="flex gap-1">
+              <span>HD:{materia.hd}</span>
+              <span>HI:{materia.hi}</span>
+            </div>
+          </div>
+          
+          {/* Overlay de Hover (Opcional: un iconito de editar) */}
+          <div className="absolute top-1 right-1 opacity-0 group-hover:opacity-100 transition-opacity">
+            <Pencil className="w-3 h-3 text-emerald-600" />
+          </div>
+        </div>
+      </Dialog.Trigger>
+
+      {/* Modal / Portal */}
+      <Dialog.Portal>
+        <Dialog.Overlay className="fixed inset-0 bg-black/40 backdrop-blur-sm z-50 animate-in fade-in" />
+        <Dialog.Content className="fixed top-1/2 left-1/2 -translate-x-1/2 -translate-y-1/2 w-full max-w-md bg-white rounded-xl shadow-2xl p-6 z-50 border border-slate-200 animate-in zoom-in-95">
+          
+          <div className="flex justify-between items-center mb-6">
+            <Dialog.Title className="text-lg font-bold text-slate-800">Editar Materia</Dialog.Title>
+            <Dialog.Close className="text-slate-400 hover:text-slate-600 transition-colors">
+              <X className="w-5 h-5" />
+            </Dialog.Close>
+          </div>
+
+          <form className="space-y-4">
+            {/* Clave y Nombre */}
+            <div className="grid grid-cols-3 gap-4">
+              <div className="flex flex-col gap-1.5">
+                <label className="text-xs font-bold text-slate-600 uppercase">Clave</label>
+                <input 
+                  defaultValue={materia.clave}
+                  className="px-3 py-2 rounded-lg border border-slate-300 focus:ring-2 focus:ring-emerald-500 outline-none text-sm font-mono"
+                />
+              </div>
+              <div className="col-span-2 flex flex-col gap-1.5">
+                <label className="text-xs font-bold text-slate-600 uppercase">Nombre</label>
+                <input 
+                  defaultValue={materia.nombre}
+                  className="px-3 py-2 rounded-lg border border-slate-300 focus:ring-2 focus:ring-emerald-500 outline-none text-sm"
+                />
+              </div>
+            </div>
+
+            {/* Créditos y Horas */}
+            <div className="grid grid-cols-3 gap-4">
+              <div className="flex flex-col gap-1.5">
+                <label className="text-xs font-bold text-slate-600 uppercase italic">Créditos</label>
+                <input type="number" defaultValue={materia.creditos} className="px-3 py-2 rounded-lg border border-slate-300 text-sm" />
+              </div>
+              <div className="flex flex-col gap-1.5">
+                <label className="text-xs font-bold text-slate-600 uppercase italic">HD (Hrs Docente)</label>
+                <input type="number" defaultValue={materia.hd} className="px-3 py-2 rounded-lg border border-slate-300 text-sm" />
+              </div>
+              <div className="flex flex-col gap-1.5">
+                <label className="text-xs font-bold text-slate-600 uppercase italic">HI (Hrs Indep.)</label>
+                <input type="number" defaultValue={materia.hi} className="px-3 py-2 rounded-lg border border-slate-300 text-sm" />
+              </div>
+            </div>
+
+            {/* Ciclo y Línea */}
+            <div className="grid grid-cols-2 gap-4">
+               <div className="flex flex-col gap-1.5">
+                <label className="text-xs font-bold text-slate-600 uppercase">Ciclo</label>
+                <select className="px-3 py-2 rounded-lg border border-slate-300 text-sm bg-white">
+                  <option>Ciclo {materia.ciclo}</option>
+                </select>
+              </div>
+              <div className="flex flex-col gap-1.5">
+                <label className="text-xs font-bold text-slate-600 uppercase">Línea Curricular</label>
+                <select className="px-3 py-2 rounded-lg border border-slate-300 text-sm bg-white">
+                  <option>{materia.linea}</option>
+                </select>
+              </div>
+            </div>
+
+            {/* Botones de acción */}
+            <div className="flex justify-end gap-3 pt-6">
+              <Dialog.Close className="px-4 py-2 rounded-lg text-sm font-semibold text-slate-600 hover:bg-slate-100 transition-colors">
+                Cancelar
+              </Dialog.Close>
+              <button 
+                type="button"
+                className="px-6 py-2 rounded-lg text-sm font-semibold bg-emerald-700 text-white hover:bg-emerald-800 transition-colors shadow-sm"
+              >
+                Guardar
+              </button>
+            </div>
+          </form>
+        </Dialog.Content>
+      </Dialog.Portal>
+    </Dialog.Root>
+  );
+}
\ No newline at end of file
diff --git a/src/routes/planes2/$planId/mapa.tsx b/src/routes/planes2/$planId/mapa.tsx
index 81aac05..4b178fc 100644
--- a/src/routes/planes2/$planId/mapa.tsx
+++ b/src/routes/planes2/$planId/mapa.tsx
@@ -1,4 +1,5 @@
 import { createFileRoute } from '@tanstack/react-router'
+import { MateriaCard } from './MateriaCard';
 
 export const Route = createFileRoute('/planes2/$planId/mapa')({
   component: MapaCurricular,
@@ -53,18 +54,9 @@ function MapaCurricular() {
                 className="p-2 border-r border-b border-slate-100 min-h-[120px] bg-white/50"
               >
                 {/* Filtrar materias que pertenecen a esta posición */}
-                {MATERIAS.filter(m => m.linea === linea && m.ciclo === numCiclo).map((materia, i) => (
-                  <div 
-                    key={i} 
-                    className="p-2 mb-2 rounded border border-blue-200 bg-blue-50 text-[10px] shadow-sm hover:shadow-md transition-shadow cursor-pointer"
-                  >
-                    <div className="font-bold text-blue-900 leading-tight mb-1">{materia.nombre}</div>
-                    <div className="flex justify-between text-blue-700 opacity-80">
-                      <span>{materia.creditos} CR</span>
-                      <span>ID: {i + 100}</span>
-                    </div>
-                  </div>
-                ))}
+                {MATERIAS.filter(m => m.linea === linea && m.ciclo === numCiclo).map((materia) => (
+                <MateriaCard key={materia.id} materia={materia} />
+              ))}
               </div>
             ))}
           </>