diff --git a/package.json b/package.json
index ebf5e6a..1f9a6fa 100644
--- a/package.json
+++ b/package.json
@@ -17,8 +17,11 @@
     "ci:verify": "prettier --check . && eslint . && tsc --noEmit"
   },
   "dependencies": {
+    "@radix-ui/react-alert-dialog": "^1.1.15",
     "@radix-ui/react-avatar": "^1.1.11",
+    "@radix-ui/react-collapsible": "^1.1.12",
     "@radix-ui/react-dialog": "^1.1.15",
+    "@radix-ui/react-dropdown-menu": "^2.1.16",
     "@radix-ui/react-label": "^2.1.8",
     "@radix-ui/react-popover": "^1.1.15",
     "@radix-ui/react-scroll-area": "^1.2.10",
@@ -38,6 +41,7 @@
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
     "cmdk": "^1.1.1",
+    "date-fns": "^4.1.0",
     "lucide-react": "^0.561.0",
     "react": "^19.2.0",
     "react-dom": "^19.2.0",
diff --git a/src/components/asignaturas/detalle/BibliographyItem.tsx b/src/components/asignaturas/detalle/BibliographyItem.tsx
index 21c5bde..2560cba 100644
--- a/src/components/asignaturas/detalle/BibliographyItem.tsx
+++ b/src/components/asignaturas/detalle/BibliographyItem.tsx
@@ -1,84 +1,291 @@
-import { useState } from 'react'
-import { Textarea } from '@/components/ui/textarea'
-import { Button } from '@/components/ui/button'
-import { Pencil, BookOpen } from 'lucide-react'
-import { cn } from '@/lib/utils'
+import { useState } from 'react';
+import { Plus, Search, BookOpen, Trash2, Library, Edit3, Save } from 'lucide-react';
+import { Card, CardContent } from '@/components/ui/card';
+import { Button } from '@/components/ui/button';
+import { Input } from '@/components/ui/input';
+import { Textarea } from '@/components/ui/textarea';
+import { Badge } from '@/components/ui/badge';
+import { Dialog, DialogContent, DialogHeader, DialogTitle, DialogTrigger } from '@/components/ui/dialog';
+import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from '@/components/ui/select';
+import { AlertDialog, AlertDialogAction, AlertDialogCancel, AlertDialogContent, AlertDialogDescription, AlertDialogFooter, AlertDialogHeader, AlertDialogTitle } from '@/components/ui/alert-dialog';
+import { cn } from '@/lib/utils';
+//import { toast } from 'sonner';
+//import { mockLibraryResources } from '@/data/mockMateriaData';
 
-type Props = {
-  value: string
-  onSave: (value: string) => void
+export const mockLibraryResources = [
+  {
+    id: 'lib-1',
+    titulo: 'Deep Learning',
+    autor: 'Goodfellow, I., Bengio, Y., & Courville, A.',
+    editorial: 'MIT Press',
+    anio: 2016,
+    isbn: '9780262035613',
+    disponible: true
+  },
+  {
+    id: 'lib-2',
+    titulo: 'Artificial Intelligence: A Modern Approach',
+    autor: 'Russell, S., & Norvig, P.',
+    editorial: 'Pearson',
+    anio: 2020,
+    isbn: '9780134610993',
+    disponible: true
+  },
+  {
+    id: 'lib-3',
+    titulo: 'Hands-On Machine Learning',
+    autor: 'Aurélien Géron',
+    editorial: 'O\'Reilly Media',
+    anio: 2019,
+    isbn: '9781492032649',
+    disponible: false
+  }
+];
+
+// --- Interfaces ---
+export interface BibliografiaEntry {
+  id: string;
+  tipo: 'BASICA' | 'COMPLEMENTARIA';
+  cita: string;
+  fuenteBibliotecaId?: string;
+  fuenteBiblioteca?: any;
 }
 
-export function BibliographyItem({ value, onSave }: Props) {
-  const [isEditing, setIsEditing] = useState(false)
-  const [draft, setDraft] = useState(value)
+interface BibliografiaTabProps {
+  bibliografia: BibliografiaEntry[];
+  onSave: (bibliografia: BibliografiaEntry[]) => void;
+  isSaving: boolean;
+}
 
-  function handleCancel() {
-    setDraft(value)
-    setIsEditing(false)
-  }
+export function BibliographyItem({ bibliografia, onSave, isSaving }: BibliografiaTabProps) {
+  const [entries, setEntries] = useState<BibliografiaEntry[]>(bibliografia);
+  const [isAddDialogOpen, setIsAddDialogOpen] = useState(false);
+  const [isLibraryDialogOpen, setIsLibraryDialogOpen] = useState(false);
+  const [deleteId, setDeleteId] = useState<string | null>(null);
+  const [editingId, setEditingId] = useState<string | null>(null);
+  const [newEntryType, setNewEntryType] = useState<'BASICA' | 'COMPLEMENTARIA'>('BASICA');
 
-  function handleSave() {
-    onSave(draft)
-    setIsEditing(false)
-  }
+  const basicaEntries = entries.filter(e => e.tipo === 'BASICA');
+  const complementariaEntries = entries.filter(e => e.tipo === 'COMPLEMENTARIA');
+
+  const handleAddManual = (cita: string) => {
+    const newEntry: BibliografiaEntry = { id: `manual-${Date.now()}`, tipo: newEntryType, cita };
+    setEntries([...entries, newEntry]);
+    setIsAddDialogOpen(false);
+    //toast.success('Referencia manual añadida');
+  };
+
+  const handleAddFromLibrary = (resource: any, tipo: 'BASICA' | 'COMPLEMENTARIA') => {
+    const cita = `${resource.autor} (${resource.anio}). ${resource.titulo}. ${resource.editorial}.`;
+    const newEntry: BibliografiaEntry = {
+      id: `lib-ref-${Date.now()}`,
+      tipo,
+      cita,
+      fuenteBibliotecaId: resource.id,
+      fuenteBiblioteca: resource,
+    };
+    setEntries([...entries, newEntry]);
+    setIsLibraryDialogOpen(false);
+    //toast.success('Añadido desde biblioteca');
+  };
+
+  const handleUpdateCita = (id: string, cita: string) => {
+    setEntries(entries.map(e => e.id === id ? { ...e, cita } : e));
+  };
 
   return (
-    <div
-      className={cn(
-        'rounded-lg border p-4 transition',
-        isEditing
-          ? 'border-yellow-400 bg-yellow-50'
-          : 'border-gray-200 bg-white'
-      )}
-    >
-      <div className="flex items-start gap-3">
-        <BookOpen className="w-5 h-5 text-yellow-500 mt-1" />
-
-        <div className="flex-1">
-          {!isEditing ? (
-            <>
-              <p className="text-sm leading-relaxed">{value}</p>
-
-              <Button
-                variant="ghost"
-                size="sm"
-                className="mt-2 text-muted-foreground"
-                onClick={() => setIsEditing(true)}
-              >
-                <Pencil className="w-4 h-4 mr-1" />
-                Editar
+    <div className="max-w-5xl mx-auto py-10 space-y-8 animate-in fade-in duration-500">
+      <div className="flex items-center justify-between border-b pb-4">
+        <div>
+          <h2 className="text-2xl font-bold text-slate-900 tracking-tight">Bibliografía</h2>
+          <p className="text-sm text-slate-500 mt-1">
+            {basicaEntries.length} básica • {complementariaEntries.length} complementaria
+          </p>
+        </div>
+        <div className="flex items-center gap-2">
+          <Dialog open={isLibraryDialogOpen} onOpenChange={setIsLibraryDialogOpen}>
+            <DialogTrigger asChild>
+              <Button variant="outline" className="border-blue-200 text-blue-700 hover:bg-blue-50">
+                <Library className="w-4 h-4 mr-2" /> Buscar en biblioteca
               </Button>
-            </>
-          ) : (
-            <>
-              <Textarea
-                value={draft}
-                onChange={(e) => setDraft(e.target.value)}
-                className="min-h-[90px]"
-              />
+            </DialogTrigger>
+            <DialogContent className="max-w-2xl">
+              <LibrarySearchDialog onSelect={handleAddFromLibrary} existingIds={entries.map(e => e.fuenteBibliotecaId || '')} />
+            </DialogContent>
+          </Dialog>
 
-              <div className="flex justify-end gap-2 mt-3">
-                <Button
-                  variant="ghost"
-                  size="sm"
-                  onClick={handleCancel}
-                >
-                  Cancelar
-                </Button>
+          <Dialog open={isAddDialogOpen} onOpenChange={setIsAddDialogOpen}>
+            <DialogTrigger asChild>
+              <Button variant="outline"><Plus className="w-4 h-4 mr-2" /> Añadir manual</Button>
+            </DialogTrigger>
+            <DialogContent>
+              <AddManualDialog tipo={newEntryType} onTypeChange={setNewEntryType} onAdd={handleAddManual} />
+            </DialogContent>
+          </Dialog>
 
-                <Button
-                  size="sm"
-                  className="bg-green-600 hover:bg-green-700"
-                  onClick={handleSave}
-                >
-                  Guardar
-                </Button>
-              </div>
-            </>
-          )}
+          <Button onClick={() => onSave(entries)} disabled={isSaving} className="bg-blue-600 hover:bg-blue-700">
+            <Save className="w-4 h-4 mr-2" /> {isSaving ? 'Guardando...' : 'Guardar'}
+          </Button>
         </div>
       </div>
+
+      <div className="grid gap-8">
+        {/* BASICA */}
+        <section className="space-y-4">
+          <div className="flex items-center gap-2">
+            <div className="h-4 w-1 bg-blue-600 rounded-full" />
+            <h3 className="font-semibold text-slate-800">Bibliografía Básica</h3>
+          </div>
+          <div className="grid gap-3">
+            {basicaEntries.map(entry => (
+              <BibliografiaCard 
+                key={entry.id} 
+                entry={entry} 
+                isEditing={editingId === entry.id}
+                onEdit={() => setEditingId(entry.id)}
+                onStopEditing={() => setEditingId(null)}
+                onUpdateCita={handleUpdateCita}
+                onDelete={() => setDeleteId(entry.id)}
+              />
+            ))}
+          </div>
+        </section>
+
+        {/* COMPLEMENTARIA */}
+        <section className="space-y-4">
+          <div className="flex items-center gap-2">
+            <div className="h-4 w-1 bg-slate-400 rounded-full" />
+            <h3 className="font-semibold text-slate-800">Bibliografía Complementaria</h3>
+          </div>
+          <div className="grid gap-3">
+            {complementariaEntries.map(entry => (
+              <BibliografiaCard 
+                key={entry.id} 
+                entry={entry} 
+                isEditing={editingId === entry.id}
+                onEdit={() => setEditingId(entry.id)}
+                onStopEditing={() => setEditingId(null)}
+                onUpdateCita={handleUpdateCita}
+                onDelete={() => setDeleteId(entry.id)}
+              />
+            ))}
+          </div>
+        </section>
+      </div>
+
+      <AlertDialog open={!!deleteId} onOpenChange={() => setDeleteId(null)}>
+        <AlertDialogContent>
+          <AlertDialogHeader>
+            <AlertDialogTitle>¿Eliminar referencia?</AlertDialogTitle>
+            <AlertDialogDescription>La referencia será quitada del plan de estudios.</AlertDialogDescription>
+          </AlertDialogHeader>
+          <AlertDialogFooter>
+            <AlertDialogCancel>Cancelar</AlertDialogCancel>
+            <AlertDialogAction onClick={() => { setEntries(entries.filter(e => e.id !== deleteId)); setDeleteId(null); }} className="bg-red-600">Eliminar</AlertDialogAction>
+          </AlertDialogFooter>
+        </AlertDialogContent>
+      </AlertDialog>
     </div>
-  )
+  );
 }
+
+// --- Subcomponentes ---
+
+function BibliografiaCard({ entry, isEditing, onEdit, onStopEditing, onUpdateCita, onDelete }: any) {
+  const [localCita, setLocalCita] = useState(entry.cita);
+
+  return (
+    <Card className={cn("group transition-all hover:shadow-md", isEditing && "ring-2 ring-blue-500")}>
+      <CardContent className="p-4">
+        <div className="flex items-start gap-4">
+          <BookOpen className={cn("w-5 h-5 mt-1", entry.tipo === 'BASICA' ? "text-blue-600" : "text-slate-400")} />
+          <div className="flex-1 min-w-0">
+            {isEditing ? (
+              <div className="space-y-2">
+                <Textarea value={localCita} onChange={(e) => setLocalCita(e.target.value)} className="min-h-[80px]" />
+                <div className="flex justify-end gap-2">
+                  <Button variant="ghost" size="sm" onClick={onStopEditing}>Cancelar</Button>
+                  <Button size="sm" className="bg-emerald-600" onClick={() => { onUpdateCita(entry.id, localCita); onStopEditing(); }}>Guardar</Button>
+                </div>
+              </div>
+            ) : (
+              <div onClick={onEdit} className="cursor-pointer">
+                <p className="text-sm leading-relaxed text-slate-700">{entry.cita}</p>
+                {entry.fuenteBiblioteca && (
+                  <div className="flex gap-2 mt-2">
+                    <Badge variant="secondary" className="text-[10px] bg-slate-100 text-slate-600">Biblioteca</Badge>
+                    {entry.fuenteBiblioteca.disponible && <Badge className="text-[10px] bg-emerald-50 text-emerald-700 border-emerald-100">Disponible</Badge>}
+                  </div>
+                )}
+              </div>
+            )}
+          </div>
+          {!isEditing && (
+            <div className="flex opacity-0 group-hover:opacity-100 transition-opacity">
+              <Button variant="ghost" size="icon" className="h-8 w-8 text-slate-400 hover:text-blue-600" onClick={onEdit}><Edit3 className="w-4 h-4" /></Button>
+              <Button variant="ghost" size="icon" className="h-8 w-8 text-slate-400 hover:text-red-500" onClick={onDelete}><Trash2 className="w-4 h-4" /></Button>
+            </div>
+          )}
+        </div>
+      </CardContent>
+    </Card>
+  );
+}
+
+function AddManualDialog({ tipo, onTypeChange, onAdd }: any) {
+  const [cita, setCita] = useState('');
+  return (
+    <div className="space-y-4 py-4">
+      <DialogHeader><DialogTitle>Referencia Manual</DialogTitle></DialogHeader>
+      <div className="space-y-2">
+        <label className="text-xs font-bold uppercase text-slate-500">Tipo</label>
+        <Select value={tipo} onValueChange={onTypeChange}>
+          <SelectTrigger><SelectValue /></SelectTrigger>
+          <SelectContent>
+            <SelectItem value="BASICA">Básica</SelectItem>
+            <SelectItem value="COMPLEMENTARIA">Complementaria</SelectItem>
+          </SelectContent>
+        </Select>
+      </div>
+      <div className="space-y-2">
+        <label className="text-xs font-bold uppercase text-slate-500">Cita APA</label>
+        <Textarea value={cita} onChange={(e) => setCita(e.target.value)} placeholder="Autor, A. (Año). Título..." className="min-h-[120px]" />
+      </div>
+      <Button onClick={() => onAdd(cita)} disabled={!cita.trim()} className="w-full bg-blue-600">Añadir a la lista</Button>
+    </div>
+  );
+}
+
+function LibrarySearchDialog({ onSelect, existingIds }: any) {
+  const [search, setSearch] = useState('');
+  const [tipo, setTipo] = useState<'BASICA' | 'COMPLEMENTARIA'>('BASICA');
+  const filtered = mockLibraryResources.filter(r => 
+    !existingIds.includes(r.id) && r.titulo.toLowerCase().includes(search.toLowerCase())
+  );
+
+  return (
+    <div className="space-y-4 py-2">
+      <DialogHeader><DialogTitle>Catálogo de Biblioteca</DialogTitle></DialogHeader>
+      <div className="flex gap-2">
+        <div className="relative flex-1">
+          <Search className="absolute left-3 top-1/2 -translate-y-1/2 w-4 h-4 text-slate-400" />
+          <Input value={search} onChange={(e) => setSearch(e.target.value)} placeholder="Buscar por título o autor..." className="pl-10" />
+        </div>
+        <Select value={tipo} onValueChange={(v:any) => setTipo(v)}><SelectTrigger className="w-36"><SelectValue /></SelectTrigger>
+          <SelectContent><SelectItem value="BASICA">Básica</SelectItem><SelectItem value="COMPLEMENTARIA">Complem.</SelectItem></SelectContent>
+        </Select>
+      </div>
+      <div className="max-h-[300px] overflow-y-auto pr-2 space-y-2">
+        {filtered.map(res => (
+          <div key={res.id} onClick={() => onSelect(res, tipo)} className="p-3 border rounded-lg hover:bg-slate-50 cursor-pointer flex justify-between items-center group">
+            <div>
+              <p className="text-sm font-semibold text-slate-700">{res.titulo}</p>
+              <p className="text-xs text-slate-500">{res.autor}</p>
+            </div>
+            <Plus className="w-4 h-4 text-blue-600 opacity-0 group-hover:opacity-100 transition-opacity" />
+          </div>
+        ))}
+      </div>
+    </div>
+  );
+}
\ No newline at end of file
diff --git a/src/components/asignaturas/detalle/ContenidoTematico.tsx b/src/components/asignaturas/detalle/ContenidoTematico.tsx
index efc1e57..1a3bc8c 100644
--- a/src/components/asignaturas/detalle/ContenidoTematico.tsx
+++ b/src/components/asignaturas/detalle/ContenidoTematico.tsx
@@ -1,40 +1,277 @@
-import { Button } from '@/components/ui/button'
-import { UnidadCard } from './contenido-tematico/UnidadCard'
+import { useState } from 'react';
+import { Plus, GripVertical, ChevronDown, ChevronRight, Edit3, Trash2, Clock, Save } from 'lucide-react';
+import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card';
+import { Button } from '@/components/ui/button';
+import { Input } from '@/components/ui/input';
+import { Badge } from '@/components/ui/badge';
+import { Collapsible, CollapsibleContent, CollapsibleTrigger } from '@/components/ui/collapsible';
+import {
+  AlertDialog,
+  AlertDialogAction,
+  AlertDialogCancel,
+  AlertDialogContent,
+  AlertDialogDescription,
+  AlertDialogFooter,
+  AlertDialogHeader,
+  AlertDialogTitle,
+} from '@/components/ui/alert-dialog';
+import { cn } from '@/lib/utils';
+//import { toast } from 'sonner';
 
 
+
+export interface Tema {
+  id: string;
+  nombre: string;
+  descripcion?: string;
+  horasEstimadas?: number;
+}
+
+export interface UnidadTematica {
+  id: string;
+  nombre: string;
+  numero: number;
+  temas: Tema[];
+}
+
+const initialData: UnidadTematica[] = [
+  {
+    id: 'u1',
+    numero: 1,
+    nombre: 'Fundamentos de Inteligencia Artificial',
+    temas: [
+      { id: 't1', nombre: 'Tipos de IA y aplicaciones', horasEstimadas: 6 },
+      { id: 't2', nombre: 'Ética en IA', horasEstimadas: 3 },
+    ]
+  }
+];
+
 export function ContenidoTematico() {
+  const [unidades, setUnidades] = useState<UnidadTematica[]>(initialData);
+  const [expandedUnits, setExpandedUnits] = useState<Set<string>>(new Set(['u1']));
+  const [deleteDialog, setDeleteDialog] = useState<{ type: 'unidad' | 'tema'; id: string; parentId?: string } | null>(null);
+  const [editingUnit, setEditingUnit] = useState<string | null>(null);
+  const [editingTema, setEditingTema] = useState<{ unitId: string; temaId: string } | null>(null);
+  const [isSaving, setIsSaving] = useState(false);
+
+  // --- Lógica de Unidades ---
+  const toggleUnit = (id: string) => {
+    const newExpanded = new Set(expandedUnits);
+    newExpanded.has(id) ? newExpanded.delete(id) : newExpanded.add(id);
+    setExpandedUnits(newExpanded);
+  };
+
+  const addUnidad = () => {
+    const newId = `u-${Date.now()}`;
+    const newUnidad: UnidadTematica = {
+      id: newId,
+      nombre: 'Nueva Unidad',
+      numero: unidades.length + 1,
+      temas: [],
+    };
+    setUnidades([...unidades, newUnidad]);
+    setExpandedUnits(new Set([...expandedUnits, newId]));
+    setEditingUnit(newId);
+  };
+
+  const updateUnidadNombre = (id: string, nombre: string) => {
+    setUnidades(unidades.map(u => u.id === id ? { ...u, nombre } : u));
+  };
+
+  // --- Lógica de Temas ---
+  const addTema = (unidadId: string) => {
+    setUnidades(unidades.map(u => {
+      if (u.id === unidadId) {
+        const newTemaId = `t-${Date.now()}`;
+        const newTema: Tema = { id: newTemaId, nombre: 'Nuevo tema', horasEstimadas: 2 };
+        setEditingTema({ unitId: unidadId, temaId: newTemaId });
+        return { ...u, temas: [...u.temas, newTema] };
+      }
+      return u;
+    }));
+  };
+
+  const updateTema = (unidadId: string, temaId: string, updates: Partial<Tema>) => {
+    setUnidades(unidades.map(u => {
+      if (u.id === unidadId) {
+        return { ...u, temas: u.temas.map(t => t.id === temaId ? { ...t, ...updates } : t) };
+      }
+      return u;
+    }));
+  };
+
+  const handleDelete = () => {
+    if (!deleteDialog) return;
+    if (deleteDialog.type === 'unidad') {
+      setUnidades(unidades.filter(u => u.id !== deleteDialog.id).map((u, i) => ({ ...u, numero: i + 1 })));
+    } else if (deleteDialog.parentId) {
+      setUnidades(unidades.map(u => u.id === deleteDialog.parentId ? { ...u, temas: u.temas.filter(t => t.id !== deleteDialog.id) } : u));
+    }
+    setDeleteDialog(null);
+    //toast.success("Eliminado correctamente");
+  };
+
+  const totalHoras = unidades.reduce((acc, u) => acc + u.temas.reduce((sum, t) => sum + (t.horasEstimadas || 0), 0), 0);
+
   return (
-    <div className="max-w-5xl mx-auto py-10 space-y-6">
-      <div className="flex items-center justify-between">
+    <div className="max-w-5xl mx-auto py-10 space-y-6 animate-in fade-in duration-500">
+      <div className="flex items-center justify-between border-b pb-4">
         <div>
-          <h2 className="text-xl font-semibold">Contenido Temático</h2>
-          <p className="text-sm text-muted-foreground">
-            Unidades, temas y subtemas de la materia
+          <h2 className="text-2xl font-bold tracking-tight text-slate-900">Contenido Temático</h2>
+          <p className="text-sm text-slate-500 mt-1">
+            {unidades.length} unidades • {totalHoras} horas estimadas totales
           </p>
         </div>
-
-        <div className="flex gap-2">
-          <Button variant="outline">Nueva unidad</Button>
-          <Button>Guardar</Button>
+        <div className="flex items-center gap-2">
+          <Button variant="outline" onClick={addUnidad} className="gap-2">
+            <Plus className="w-4 h-4" /> Nueva unidad
+          </Button>
+          <Button onClick={() => { setIsSaving(true); setTimeout(() => { setIsSaving(false); /*toast.success("Guardado")*/; }, 1000); }} disabled={isSaving} className="bg-blue-600 hover:bg-blue-700">
+            <Save className="w-4 h-4 mr-2" /> {isSaving ? 'Guardando...' : 'Guardar'}
+          </Button>
         </div>
       </div>
 
-      <UnidadCard
-        numero={1}
-        titulo="Fundamentos de Inteligencia Artificial"
-        temas={[
-          {
-            id: 't1',
-            titulo: 'Tipos de IA y aplicaciones',
-            horas: 6,
-          },
-          {
-            id: 't2',
-            titulo: 'Ética en IA',
-            horas: 3,
-          },
-        ]}
-      />
+      <div className="space-y-4">
+        {unidades.map((unidad) => (
+          <Card key={unidad.id} className="overflow-hidden border-slate-200 shadow-sm">
+            <Collapsible open={expandedUnits.has(unidad.id)} onOpenChange={() => toggleUnit(unidad.id)}>
+              <CardHeader className="bg-slate-50/50 py-3 border-b border-slate-100">
+                <div className="flex items-center gap-3">
+                  <GripVertical className="w-4 h-4 text-slate-300 cursor-grab" />
+                  <CollapsibleTrigger asChild>
+                    <Button variant="ghost" size="sm" className="p-0 h-auto">
+                      {expandedUnits.has(unidad.id) ? <ChevronDown className="w-4 h-4" /> : <ChevronRight className="w-4 h-4" />}
+                    </Button>
+                  </CollapsibleTrigger>
+                  <Badge className="bg-blue-600 font-mono">Unidad {unidad.numero}</Badge>
+                  
+                  {editingUnit === unidad.id ? (
+                    <Input 
+                      value={unidad.nombre} 
+                      onChange={(e) => updateUnidadNombre(unidad.id, e.target.value)}
+                      onBlur={() => setEditingUnit(null)}
+                      onKeyDown={(e) => e.key === 'Enter' && setEditingUnit(null)}
+                      className="max-w-md h-8 bg-white" 
+                      autoFocus 
+                    />
+                  ) : (
+                    <CardTitle className="text-base font-semibold cursor-pointer hover:text-blue-600 transition-colors" onClick={() => setEditingUnit(unidad.id)}>
+                      {unidad.nombre}
+                    </CardTitle>
+                  )}
+                  
+                  <div className="ml-auto flex items-center gap-3">
+                    <span className="text-xs font-medium text-slate-400 flex items-center gap-1">
+                      <Clock className="w-3 h-3" /> {unidad.temas.reduce((sum, t) => sum + (t.horasEstimadas || 0), 0)}h
+                    </span>
+                    <Button variant="ghost" size="icon" className="h-8 w-8 text-slate-400 hover:text-red-500" onClick={() => setDeleteDialog({ type: 'unidad', id: unidad.id })}>
+                      <Trash2 className="w-4 h-4" />
+                    </Button>
+                  </div>
+                </div>
+              </CardHeader>
+              <CollapsibleContent>
+                <CardContent className="pt-4 bg-white">
+                  <div className="space-y-1 ml-10 border-l-2 border-slate-50 pl-4">
+                    {unidad.temas.map((tema, idx) => (
+                      <TemaRow 
+                        key={tema.id} 
+                        tema={tema} 
+                        index={idx + 1} 
+                        isEditing={editingTema?.unitId === unidad.id && editingTema?.temaId === tema.id}
+                        onEdit={() => setEditingTema({ unitId: unidad.id, temaId: tema.id })}
+                        onStopEditing={() => setEditingTema(null)}
+                        onUpdate={(updates) => updateTema(unidad.id, tema.id, updates)}
+                        onDelete={() => setDeleteDialog({ type: 'tema', id: tema.id, parentId: unidad.id })}
+                      />
+                    ))}
+                    <Button variant="ghost" size="sm" className="text-blue-600 hover:text-blue-700 hover:bg-blue-50 w-full justify-start mt-2" onClick={() => addTema(unidad.id)}>
+                      <Plus className="w-3 h-3 mr-2" /> Añadir subtema
+                    </Button>
+                  </div>
+                </CardContent>
+              </CollapsibleContent>
+            </Collapsible>
+          </Card>
+        ))}
+      </div>
+
+      <DeleteConfirmDialog dialog={deleteDialog} setDialog={setDeleteDialog} onConfirm={handleDelete} />
     </div>
-  )
+  );
 }
+
+// --- Componentes Auxiliares ---
+interface TemaRowProps {
+  tema: Tema;
+  index: number;
+  isEditing: boolean;
+  onEdit: () => void;
+  onStopEditing: () => void;
+  onUpdate: (updates: Partial<Tema>) => void;
+  onDelete: () => void;
+}
+
+function TemaRow({ tema, index, isEditing, onEdit, onStopEditing, onUpdate, onDelete }: TemaRowProps) {
+  return (
+    <div className={cn("flex items-center gap-3 p-2 rounded-md group transition-all", isEditing ? "bg-blue-50 ring-1 ring-blue-100" : "hover:bg-slate-50")}>
+      <span className="text-xs font-mono text-slate-400 w-4">{index}.</span>
+      {isEditing ? (
+        <div className="flex-1 flex items-center gap-2 animate-in slide-in-from-left-2">
+          <Input value={tema.nombre} onChange={(e) => onUpdate({ nombre: e.target.value })} className="h-8 flex-1 bg-white" placeholder="Nombre" autoFocus />
+          <Input type="number" value={tema.horasEstimadas} onChange={(e) => onUpdate({ horasEstimadas: parseInt(e.target.value) || 0 })} className="h-8 w-16 bg-white" />
+          <Button size="sm" className="bg-emerald-600 h-8" onClick={onStopEditing}>Listo</Button>
+        </div>
+      ) : (
+        <>
+          <div className="flex-1 cursor-pointer" onClick={onEdit}>
+            <p className="text-sm font-medium text-slate-700">{tema.nombre}</p>
+          </div>
+          <Badge variant="secondary" className="text-[10px] opacity-60">{tema.horasEstimadas}h</Badge>
+          <div className="flex items-center gap-1 opacity-0 group-hover:opacity-100 transition-opacity">
+            <Button variant="ghost" size="icon" className="h-7 w-7 text-slate-400 hover:text-blue-600" onClick={onEdit}><Edit3 className="w-3 h-3" /></Button>
+            <Button variant="ghost" size="icon" className="h-7 w-7 text-slate-400 hover:text-red-500" onClick={onDelete}><Trash2 className="w-3 h-3" /></Button>
+          </div>
+        </>
+      )}
+    </div>
+  );
+}
+
+interface DeleteDialogState {
+  type: 'unidad' | 'tema';
+  id: string;
+  parentId?: string;
+}
+
+interface DeleteConfirmDialogProps {
+  dialog: DeleteDialogState | null;
+  setDialog: (value: DeleteDialogState | null) => void;
+  onConfirm: () => void;
+}
+
+
+function DeleteConfirmDialog({
+  dialog,
+  setDialog,
+  onConfirm,
+}: DeleteConfirmDialogProps) {
+
+  return (
+    <AlertDialog open={!!dialog} onOpenChange={() => setDialog(null)}>
+      <AlertDialogContent>
+        <AlertDialogHeader>
+          <AlertDialogTitle>¿Confirmar eliminación?</AlertDialogTitle>
+          <AlertDialogDescription>
+            Estás a punto de borrar un {dialog?.type}. Esta acción no se puede deshacer.
+          </AlertDialogDescription>
+        </AlertDialogHeader>
+        <AlertDialogFooter>
+          <AlertDialogCancel>Cancelar</AlertDialogCancel>
+          <AlertDialogAction onClick={onConfirm} className="bg-red-600 hover:bg-red-700 text-white">Eliminar</AlertDialogAction>
+        </AlertDialogFooter>
+      </AlertDialogContent>
+    </AlertDialog>
+  );
+}
\ No newline at end of file
diff --git a/src/components/asignaturas/detalle/DocumentoSEPTab.tsx b/src/components/asignaturas/detalle/DocumentoSEPTab.tsx
new file mode 100644
index 0000000..dbe8007
--- /dev/null
+++ b/src/components/asignaturas/detalle/DocumentoSEPTab.tsx
@@ -0,0 +1,321 @@
+import { useState } from 'react';
+import { FileText, Download, RefreshCw, Calendar, FileCheck, AlertTriangle, Loader2 } from 'lucide-react';
+import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card';
+import { Button } from '@/components/ui/button';
+import { Badge } from '@/components/ui/badge';
+import {
+  AlertDialog,
+  AlertDialogAction,
+  AlertDialogCancel,
+  AlertDialogContent,
+  AlertDialogDescription,
+  AlertDialogFooter,
+  AlertDialogHeader,
+  AlertDialogTitle,
+  AlertDialogTrigger,
+} from '@/components/ui/alert-dialog';
+import type { DocumentoMateria, Materia, MateriaStructure } from '@/types/materia';
+import { cn } from '@/lib/utils';
+//import { toast } from 'sonner';
+//import { format } from 'date-fns';
+//import { es } from 'date-fns/locale';
+
+interface DocumentoSEPTabProps {
+  documento: DocumentoMateria | null;
+  materia: Materia;
+  estructura: MateriaStructure;
+  datosGenerales: Record<string, any>;
+  onRegenerate: () => void;
+  isRegenerating: boolean;
+}
+
+export function DocumentoSEPTab({ documento, materia, estructura, datosGenerales, onRegenerate, isRegenerating }: DocumentoSEPTabProps) {
+  const [showConfirmDialog, setShowConfirmDialog] = useState(false);
+
+  // Check completeness
+  const camposObligatorios = estructura.campos.filter(c => c.obligatorio);
+  const camposCompletos = camposObligatorios.filter(c => datosGenerales[c.id]?.trim());
+  const completeness = Math.round((camposCompletos.length / camposObligatorios.length) * 100);
+  const isComplete = completeness === 100;
+
+  const handleRegenerate = () => {
+    setShowConfirmDialog(false);
+    onRegenerate();
+    //toast.success('Regenerando documento...');
+  };
+
+  return (
+    <div className="space-y-6 animate-fade-in">
+      <div className="flex items-center justify-between">
+        <div>
+          <h2 className="font-display text-2xl font-semibold text-foreground flex items-center gap-2">
+            <FileCheck className="w-6 h-6 text-accent" />
+            Documento SEP
+          </h2>
+          <p className="text-sm text-muted-foreground mt-1">
+            Previsualización del documento oficial para la SEP
+          </p>
+        </div>
+        <div className="flex items-center gap-2">
+          {documento?.estado === 'listo' && (
+            <Button variant="outline" onClick={() => console.log("descargando") /*toast.info('Descarga iniciada')*/}>
+              <Download className="w-4 h-4 mr-2" />
+              Descargar
+            </Button>
+          )}
+          <AlertDialog open={showConfirmDialog} onOpenChange={setShowConfirmDialog}>
+            <AlertDialogTrigger asChild>
+              <Button disabled={isRegenerating || !isComplete}>
+                {isRegenerating ? (
+                  <Loader2 className="w-4 h-4 mr-2 animate-spin" />
+                ) : (
+                  <RefreshCw className="w-4 h-4 mr-2" />
+                )}
+                {isRegenerating ? 'Generando...' : 'Regenerar documento'}
+              </Button>
+            </AlertDialogTrigger>
+            <AlertDialogContent>
+              <AlertDialogHeader>
+                <AlertDialogTitle>¿Regenerar documento SEP?</AlertDialogTitle>
+                <AlertDialogDescription>
+                  Se creará una nueva versión del documento con los datos actuales de la materia. 
+                  La versión anterior quedará en el historial.
+                </AlertDialogDescription>
+              </AlertDialogHeader>
+              <AlertDialogFooter>
+                <AlertDialogCancel>Cancelar</AlertDialogCancel>
+                <AlertDialogAction onClick={handleRegenerate}>
+                  Regenerar
+                </AlertDialogAction>
+              </AlertDialogFooter>
+            </AlertDialogContent>
+          </AlertDialog>
+        </div>
+      </div>
+
+      <div className="grid grid-cols-1 lg:grid-cols-3 gap-6">
+        {/* Document preview */}
+        <div className="lg:col-span-2">
+          <Card className="card-elevated h-[700px] overflow-hidden">
+            {documento?.estado === 'listo' ? (
+              <div className="h-full bg-muted/30 flex flex-col">
+                {/* Simulated document header */}
+                <div className="bg-card border-b p-4">
+                  <div className="flex items-center justify-between">
+                    <div className="flex items-center gap-2">
+                      <FileText className="w-5 h-5 text-primary" />
+                      <span className="font-medium text-foreground">
+                        Programa de Estudios - {materia.clave}
+                      </span>
+                    </div>
+                    <Badge variant="outline">Versión {documento.version}</Badge>
+                  </div>
+                </div>
+                
+                {/* Document content simulation */}
+                <div className="flex-1 overflow-y-auto p-8">
+                  <div className="max-w-2xl mx-auto bg-card rounded-lg shadow-lg p-8 space-y-6">
+                    {/* Header */}
+                    <div className="text-center border-b pb-6">
+                      <p className="text-xs text-muted-foreground uppercase tracking-wide mb-2">
+                        Secretaría de Educación Pública
+                      </p>
+                      <h1 className="font-display text-2xl font-bold text-primary mb-1">
+                        {materia.nombre}
+                      </h1>
+                      <p className="text-sm text-muted-foreground">
+                        Clave: {materia.clave} | Créditos: {materia.creditos || 'N/A'}
+                      </p>
+                    </div>
+
+                    {/* Datos de la institución */}
+                    <div className="space-y-1 text-sm">
+                      <p><strong>Carrera:</strong> {materia.carrera}</p>
+                      <p><strong>Facultad:</strong> {materia.facultad}</p>
+                      <p><strong>Plan de estudios:</strong> {materia.planNombre}</p>
+                      {materia.ciclo && <p><strong>Ciclo:</strong> {materia.ciclo}</p>}
+                    </div>
+
+                    {/* Campos del documento */}
+                    {estructura.campos.map((campo) => {
+                      const valor = datosGenerales[campo.id];
+                      if (!valor) return null;
+                      return (
+                        <div key={campo.id} className="space-y-2">
+                          <h3 className="font-semibold text-foreground border-b pb-1">
+                            {campo.nombre}
+                          </h3>
+                          <p className="text-sm text-foreground whitespace-pre-wrap leading-relaxed">
+                            {valor}
+                          </p>
+                        </div>
+                      );
+                    })}
+
+                    {/* Footer */}
+                    <div className="border-t pt-6 mt-8 text-center text-xs text-muted-foreground">
+                      <p>Documento generado el {/*format(documento.fechaGeneracion, "d 'de' MMMM 'de' yyyy", { locale: es })*/}</p>
+                      <p className="mt-1">Universidad La Salle</p>
+                    </div>
+                  </div>
+                </div>
+              </div>
+            ) : documento?.estado === 'generando' ? (
+              <div className="h-full flex items-center justify-center">
+                <div className="text-center">
+                  <Loader2 className="w-12 h-12 mx-auto text-accent animate-spin mb-4" />
+                  <p className="text-muted-foreground">Generando documento...</p>
+                </div>
+              </div>
+            ) : (
+              <div className="h-full flex items-center justify-center">
+                <div className="text-center max-w-sm">
+                  <FileText className="w-12 h-12 mx-auto text-muted-foreground/50 mb-4" />
+                  <p className="text-muted-foreground mb-4">
+                    No hay documento generado aún
+                  </p>
+                  {!isComplete && (
+                    <div className="p-4 bg-warning/10 rounded-lg text-sm text-warning-foreground">
+                      <AlertTriangle className="w-4 h-4 inline mr-2" />
+                      Completa todos los campos obligatorios para generar el documento
+                    </div>
+                  )}
+                </div>
+              </div>
+            )}
+          </Card>
+        </div>
+
+        {/* Info sidebar */}
+        <div className="space-y-4">
+          {/* Status */}
+          <Card className="card-elevated">
+            <CardHeader className="pb-2">
+              <CardTitle className="text-sm font-medium">Estado del documento</CardTitle>
+            </CardHeader>
+            <CardContent className="space-y-4">
+              {documento && (
+                <>
+                  <div className="flex items-center justify-between">
+                    <span className="text-sm text-muted-foreground">Versión</span>
+                    <Badge variant="outline">{documento.version}</Badge>
+                  </div>
+                  <div className="flex items-center justify-between">
+                    <span className="text-sm text-muted-foreground">Generado</span>
+                    <span className="text-sm">
+                      {/*format(documento.fechaGeneracion, "d MMM yyyy, HH:mm", { locale: es })*/}
+                    </span>
+                  </div>
+                  <div className="flex items-center justify-between">
+                    <span className="text-sm text-muted-foreground">Estado</span>
+                    <Badge className={cn(
+                      documento.estado === 'listo' && "bg-success text-success-foreground",
+                      documento.estado === 'generando' && "bg-info text-info-foreground",
+                      documento.estado === 'error' && "bg-destructive text-destructive-foreground"
+                    )}>
+                      {documento.estado === 'listo' && 'Listo'}
+                      {documento.estado === 'generando' && 'Generando'}
+                      {documento.estado === 'error' && 'Error'}
+                    </Badge>
+                  </div>
+                </>
+              )}
+            </CardContent>
+          </Card>
+
+          {/* Completeness */}
+          <Card className="card-elevated">
+            <CardHeader className="pb-2">
+              <CardTitle className="text-sm font-medium">Completitud de datos</CardTitle>
+            </CardHeader>
+            <CardContent className="space-y-4">
+              <div className="space-y-2">
+                <div className="flex items-center justify-between text-sm">
+                  <span className="text-muted-foreground">Campos obligatorios</span>
+                  <span className="font-medium">{camposCompletos.length}/{camposObligatorios.length}</span>
+                </div>
+                <div className="h-2 bg-muted rounded-full overflow-hidden">
+                  <div 
+                    className={cn(
+                      "h-full transition-all duration-500",
+                      completeness === 100 ? "bg-success" : "bg-accent"
+                    )}
+                    style={{ width: `${completeness}%` }}
+                  />
+                </div>
+                <p className={cn(
+                  "text-xs",
+                  completeness === 100 ? "text-success" : "text-muted-foreground"
+                )}>
+                  {completeness === 100 
+                    ? 'Todos los campos obligatorios están completos'
+                    : `Faltan ${camposObligatorios.length - camposCompletos.length} campos por completar`
+                  }
+                </p>
+              </div>
+
+              {/* Missing fields */}
+              {!isComplete && (
+                <div className="space-y-2">
+                  <p className="text-xs font-medium text-muted-foreground">Campos faltantes:</p>
+                  {camposObligatorios.filter(c => !datosGenerales[c.id]?.trim()).map((campo) => (
+                    <div key={campo.id} className="flex items-center gap-2 text-sm">
+                      <AlertTriangle className="w-3 h-3 text-warning" />
+                      <span className="text-foreground">{campo.nombre}</span>
+                    </div>
+                  ))}
+                </div>
+              )}
+            </CardContent>
+          </Card>
+
+          {/* Requirements */}
+          <Card className="card-elevated">
+            <CardHeader className="pb-2">
+              <CardTitle className="text-sm font-medium">Requisitos SEP</CardTitle>
+            </CardHeader>
+            <CardContent>
+              <ul className="space-y-2 text-sm">
+                <li className="flex items-start gap-2">
+                  <div className={cn(
+                    "w-4 h-4 rounded-full flex items-center justify-center mt-0.5",
+                    datosGenerales['objetivo_general'] ? "bg-success/20" : "bg-muted"
+                  )}>
+                    {datosGenerales['objetivo_general'] && <Check className="w-3 h-3 text-success" />}
+                  </div>
+                  <span className="text-muted-foreground">Objetivo general definido</span>
+                </li>
+                <li className="flex items-start gap-2">
+                  <div className={cn(
+                    "w-4 h-4 rounded-full flex items-center justify-center mt-0.5",
+                    datosGenerales['competencias'] ? "bg-success/20" : "bg-muted"
+                  )}>
+                    {datosGenerales['competencias'] && <Check className="w-3 h-3 text-success" />}
+                  </div>
+                  <span className="text-muted-foreground">Competencias especificadas</span>
+                </li>
+                <li className="flex items-start gap-2">
+                  <div className={cn(
+                    "w-4 h-4 rounded-full flex items-center justify-center mt-0.5",
+                    datosGenerales['evaluacion'] ? "bg-success/20" : "bg-muted"
+                  )}>
+                    {datosGenerales['evaluacion'] && <Check className="w-3 h-3 text-success" />}
+                  </div>
+                  <span className="text-muted-foreground">Criterios de evaluación</span>
+                </li>
+              </ul>
+            </CardContent>
+          </Card>
+        </div>
+      </div>
+    </div>
+  );
+}
+
+function Check({ className }: { className?: string }) {
+  return (
+    <svg className={className} viewBox="0 0 24 24" fill="none" stroke="currentColor" strokeWidth="3">
+      <polyline points="20 6 9 17 4 12" />
+    </svg>
+  );
+}
diff --git a/src/components/asignaturas/detalle/HistorialTab.tsx b/src/components/asignaturas/detalle/HistorialTab.tsx
new file mode 100644
index 0000000..d564969
--- /dev/null
+++ b/src/components/asignaturas/detalle/HistorialTab.tsx
@@ -0,0 +1,196 @@
+import { useState } from 'react';
+import { History, FileText, List, BookMarked, Sparkles, FileCheck, User, Filter, Calendar } from 'lucide-react';
+import { Card, CardContent } from '@/components/ui/card';
+import { Button } from '@/components/ui/button';
+import { Badge } from '@/components/ui/badge';
+import {
+  DropdownMenu,
+  DropdownMenuContent,
+  DropdownMenuCheckboxItem,
+  DropdownMenuTrigger,
+} from '@/components/ui/dropdown-menu';
+import type { CambioMateria } from '@/types/materia';
+import { cn } from '@/lib/utils';
+import { format, formatDistanceToNow } from 'date-fns';
+import { es } from 'date-fns/locale';
+
+interface HistorialTabProps {
+  historial: CambioMateria[];
+}
+
+const tipoConfig: Record<string, { label: string; icon: React.ComponentType<{ className?: string }>; color: string }> = {
+  datos: { label: 'Datos generales', icon: FileText, color: 'text-info' },
+  contenido: { label: 'Contenido temático', icon: List, color: 'text-accent' },
+  bibliografia: { label: 'Bibliografía', icon: BookMarked, color: 'text-success' },
+  ia: { label: 'IA', icon: Sparkles, color: 'text-amber-500' },
+  documento: { label: 'Documento SEP', icon: FileCheck, color: 'text-primary' },
+};
+
+export function HistorialTab({ historial }: HistorialTabProps) {
+  const [filtros, setFiltros] = useState<Set<string>>(new Set(['datos', 'contenido', 'bibliografia', 'ia', 'documento']));
+
+  const toggleFiltro = (tipo: string) => {
+    const newFiltros = new Set(filtros);
+    if (newFiltros.has(tipo)) {
+      newFiltros.delete(tipo);
+    } else {
+      newFiltros.add(tipo);
+    }
+    setFiltros(newFiltros);
+  };
+
+  const filteredHistorial = historial.filter(cambio => filtros.has(cambio.tipo));
+
+  // Group by date
+  const groupedHistorial = filteredHistorial.reduce((groups, cambio) => {
+    const dateKey = format(cambio.fecha, 'yyyy-MM-dd');
+    if (!groups[dateKey]) {
+      groups[dateKey] = [];
+    }
+    groups[dateKey].push(cambio);
+    return groups;
+  }, {} as Record<string, CambioMateria[]>);
+
+  const sortedDates = Object.keys(groupedHistorial).sort((a, b) => b.localeCompare(a));
+
+  return (
+    <div className="space-y-6 animate-fade-in">
+      <div className="flex items-center justify-between">
+        <div>
+          <h2 className="font-display text-2xl font-semibold text-foreground flex items-center gap-2">
+            <History className="w-6 h-6 text-accent" />
+            Historial de cambios
+          </h2>
+          <p className="text-sm text-muted-foreground mt-1">
+            {historial.length} cambios registrados
+          </p>
+        </div>
+        <DropdownMenu>
+          <DropdownMenuTrigger asChild>
+            <Button variant="outline">
+              <Filter className="w-4 h-4 mr-2" />
+              Filtrar ({filtros.size})
+            </Button>
+          </DropdownMenuTrigger>
+          <DropdownMenuContent align="end" className="w-48">
+            {Object.entries(tipoConfig).map(([tipo, config]) => {
+              const Icon = config.icon;
+              return (
+                <DropdownMenuCheckboxItem
+                  key={tipo}
+                  checked={filtros.has(tipo)}
+                  onCheckedChange={() => toggleFiltro(tipo)}
+                >
+                  <Icon className={cn("w-4 h-4 mr-2", config.color)} />
+                  {config.label}
+                </DropdownMenuCheckboxItem>
+              );
+            })}
+          </DropdownMenuContent>
+        </DropdownMenu>
+      </div>
+
+      {filteredHistorial.length === 0 ? (
+        <Card className="card-elevated">
+          <CardContent className="py-12 text-center">
+            <History className="w-12 h-12 mx-auto text-muted-foreground/50 mb-4" />
+            <p className="text-muted-foreground">
+              {historial.length === 0 
+                ? 'No hay cambios registrados aún' 
+                : 'No hay cambios con los filtros seleccionados'
+              }
+            </p>
+          </CardContent>
+        </Card>
+      ) : (
+        <div className="space-y-8">
+          {sortedDates.map((dateKey) => {
+            const cambios = groupedHistorial[dateKey];
+            const date = new Date(dateKey);
+            const isToday = format(new Date(), 'yyyy-MM-dd') === dateKey;
+            const isYesterday = format(new Date(Date.now() - 86400000), 'yyyy-MM-dd') === dateKey;
+
+            return (
+              <div key={dateKey}>
+                {/* Date header */}
+                <div className="flex items-center gap-3 mb-4">
+                  <div className="p-2 rounded-lg bg-muted">
+                    <Calendar className="w-4 h-4 text-muted-foreground" />
+                  </div>
+                  <div>
+                    <h3 className="font-semibold text-foreground">
+                      {isToday ? 'Hoy' : isYesterday ? 'Ayer' : format(date, "EEEE, d 'de' MMMM", { locale: es })}
+                    </h3>
+                    <p className="text-xs text-muted-foreground">
+                      {cambios.length} {cambios.length === 1 ? 'cambio' : 'cambios'}
+                    </p>
+                  </div>
+                </div>
+
+                {/* Timeline */}
+                <div className="ml-4 border-l-2 border-border pl-6 space-y-4">
+                  {cambios.map((cambio) => {
+                    const config = tipoConfig[cambio.tipo];
+                    const Icon = config.icon;
+                    return (
+                      <div key={cambio.id} className="relative">
+                        {/* Timeline dot */}
+                        <div className={cn(
+                          "absolute -left-[31px] w-4 h-4 rounded-full border-2 border-background",
+                          `bg-current ${config.color}`
+                        )} />
+                        
+                        <Card className="card-interactive">
+                          <CardContent className="py-4">
+                            <div className="flex items-start gap-4">
+                              <div className={cn(
+                                "p-2 rounded-lg bg-muted flex-shrink-0",
+                                config.color
+                              )}>
+                                <Icon className="w-4 h-4" />
+                              </div>
+                              <div className="flex-1 min-w-0">
+                                <div className="flex items-start justify-between gap-2">
+                                  <div>
+                                    <p className="font-medium text-foreground">
+                                      {cambio.descripcion}
+                                    </p>
+                                    <div className="flex items-center gap-2 mt-1">
+                                      <Badge variant="outline" className="text-xs">
+                                        {config.label}
+                                      </Badge>
+                                      {cambio.detalles?.campo && (
+                                        <span className="text-xs text-muted-foreground">
+                                          Campo: {cambio.detalles.campo}
+                                        </span>
+                                      )}
+                                    </div>
+                                  </div>
+                                  <span className="text-xs text-muted-foreground whitespace-nowrap">
+                                    {format(cambio.fecha, 'HH:mm')}
+                                  </span>
+                                </div>
+                                <div className="flex items-center gap-2 mt-3 text-xs text-muted-foreground">
+                                  <User className="w-3 h-3" />
+                                  <span>{cambio.usuario}</span>
+                                  <span className="text-muted-foreground/50">•</span>
+                                  <span>
+                                    {formatDistanceToNow(cambio.fecha, { addSuffix: true, locale: es })}
+                                  </span>
+                                </div>
+                              </div>
+                            </div>
+                          </CardContent>
+                        </Card>
+                      </div>
+                    );
+                  })}
+                </div>
+              </div>
+            );
+          })}
+        </div>
+      )}
+    </div>
+  );
+}
diff --git a/src/components/asignaturas/detalle/IAMateriaTab.tsx b/src/components/asignaturas/detalle/IAMateriaTab.tsx
new file mode 100644
index 0000000..f3d7c0b
--- /dev/null
+++ b/src/components/asignaturas/detalle/IAMateriaTab.tsx
@@ -0,0 +1,357 @@
+import { useState, useRef, useEffect } from 'react';
+import { Send, Sparkles, Bot, User, Check, X, RefreshCw, Lightbulb, Wand2 } from 'lucide-react';
+import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card';
+import { Button } from '@/components/ui/button';
+import { Textarea } from '@/components/ui/textarea';
+import { Badge } from '@/components/ui/badge';
+import { ScrollArea } from '@/components/ui/scroll-area';
+import {
+  Command,
+  CommandEmpty,
+  CommandGroup,
+  CommandInput,
+  CommandItem,
+  CommandList,
+} from '@/components/ui/command';
+import type { IAMessage, IASugerencia, CampoEstructura } from '@/types/materia';
+import { cn } from '@/lib/utils';
+//import { toast } from 'sonner';
+
+interface IAMateriaTabProps {
+  campos: CampoEstructura[];
+  datosGenerales: Record<string, any>;
+  messages: IAMessage[];
+  onSendMessage: (message: string, campoId?: string) => void;
+  onAcceptSuggestion: (sugerencia: IASugerencia) => void;
+  onRejectSuggestion: (messageId: string) => void;
+}
+
+const quickActions = [
+  { id: 'mejorar-objetivos', label: 'Mejorar objetivos', icon: Wand2, prompt: 'Mejora el :objetivo_general para que sea más específico y medible' },
+  { id: 'generar-contenido', label: 'Generar contenido temático', icon: Lightbulb, prompt: 'Sugiere un contenido temático completo basado en los objetivos y competencias' },
+  { id: 'alinear-perfil', label: 'Alinear con perfil de egreso', icon: RefreshCw, prompt: 'Revisa las :competencias y alinéalas con el perfil de egreso del plan' },
+  { id: 'ajustar-biblio', label: 'Recomendar bibliografía', icon: Sparkles, prompt: 'Recomienda bibliografía actualizada basándote en el contenido temático' },
+];
+
+export function IAMateriaTab({ campos, datosGenerales, messages, onSendMessage, onAcceptSuggestion, onRejectSuggestion }: IAMateriaTabProps) {
+  const [input, setInput] = useState('');
+  const [isLoading, setIsLoading] = useState(false);
+  const [showFieldSelector, setShowFieldSelector] = useState(false);
+  const [fieldSelectorPosition, setFieldSelectorPosition] = useState({ top: 0, left: 0 });
+  const [cursorPosition, setCursorPosition] = useState(0);
+  const textareaRef = useRef<HTMLTextAreaElement>(null);
+  const scrollRef = useRef<HTMLDivElement>(null);
+
+  useEffect(() => {
+    if (scrollRef.current) {
+      scrollRef.current.scrollTop = scrollRef.current.scrollHeight;
+    }
+  }, [messages]);
+
+  const handleInputChange = (e: React.ChangeEvent<HTMLTextAreaElement>) => {
+    const value = e.target.value;
+    const pos = e.target.selectionStart;
+    setInput(value);
+    setCursorPosition(pos);
+
+    // Check for : character to trigger field selector
+    const lastChar = value.charAt(pos - 1);
+    if (lastChar === ':') {
+      const rect = textareaRef.current?.getBoundingClientRect();
+      if (rect) {
+        setFieldSelectorPosition({ top: rect.bottom + 8, left: rect.left });
+        setShowFieldSelector(true);
+      }
+    } else if (showFieldSelector && (lastChar === ' ' || !value.includes(':'))) {
+      setShowFieldSelector(false);
+    }
+  };
+
+  const insertFieldMention = (campoId: string) => {
+    const beforeCursor = input.slice(0, cursorPosition);
+    const afterCursor = input.slice(cursorPosition);
+    const lastColonIndex = beforeCursor.lastIndexOf(':');
+    const newInput = beforeCursor.slice(0, lastColonIndex) + `:${campoId}` + afterCursor;
+    setInput(newInput);
+    setShowFieldSelector(false);
+    textareaRef.current?.focus();
+  };
+
+  const handleSend = async () => {
+    if (!input.trim() || isLoading) return;
+
+    // Extract field mention if any
+    const fieldMatch = input.match(/:(\w+)/);
+    const campoId = fieldMatch ? fieldMatch[1] : undefined;
+
+    setIsLoading(true);
+    onSendMessage(input, campoId);
+    setInput('');
+
+    // Simulate AI response delay
+    setTimeout(() => {
+      setIsLoading(false);
+    }, 1500);
+  };
+
+  const handleQuickAction = (prompt: string) => {
+    setInput(prompt);
+    textareaRef.current?.focus();
+  };
+
+  const renderMessageContent = (content: string) => {
+    // Render field mentions as styled badges
+    return content.split(/(:[\w_]+)/g).map((part, i) => {
+      if (part.startsWith(':')) {
+        const campo = campos.find(c => c.id === part.slice(1));
+        return (
+          <span key={i} className="field-mention mx-0.5">
+            {campo?.nombre || part}
+          </span>
+        );
+      }
+      return part;
+    });
+  };
+
+  return (
+    <div className="space-y-6 animate-fade-in">
+      <div className="flex items-center justify-between">
+        <div>
+          <h2 className="font-display text-2xl font-semibold text-foreground flex items-center gap-2">
+            <Sparkles className="w-6 h-6 text-accent" />
+            IA de la materia
+          </h2>
+          <p className="text-sm text-muted-foreground mt-1">
+            Usa <kbd className="px-1.5 py-0.5 bg-muted rounded text-xs font-mono">:</kbd> para mencionar campos específicos
+          </p>
+        </div>
+      </div>
+
+      <div className="grid grid-cols-1 lg:grid-cols-3 gap-6">
+        {/* Chat area */}
+        <Card className="lg:col-span-2 card-elevated flex flex-col h-[600px]">
+          <CardHeader className="pb-2 border-b">
+            <CardTitle className="text-sm font-medium text-muted-foreground">
+              Conversación
+            </CardTitle>
+          </CardHeader>
+          <CardContent className="flex-1 flex flex-col p-0">
+            <ScrollArea className="flex-1 p-4" ref={scrollRef}>
+              <div className="space-y-4">
+                {messages.length === 0 ? (
+                  <div className="text-center py-12">
+                    <Bot className="w-12 h-12 mx-auto text-muted-foreground/50 mb-4" />
+                    <p className="text-muted-foreground">
+                      Inicia una conversación para mejorar tu materia con IA
+                    </p>
+                  </div>
+                ) : (
+                  messages.map((message) => (
+                    <div key={message.id} className={cn(
+                      "flex gap-3",
+                      message.role === 'user' ? "justify-end" : "justify-start"
+                    )}>
+                      {message.role === 'assistant' && (
+                        <div className="w-8 h-8 rounded-full bg-accent/20 flex items-center justify-center flex-shrink-0">
+                          <Bot className="w-4 h-4 text-accent" />
+                        </div>
+                      )}
+                      <div className={cn(
+                        "max-w-[80%] rounded-lg px-4 py-3",
+                        message.role === 'user' 
+                          ? "bg-primary text-primary-foreground" 
+                          : "bg-muted"
+                      )}>
+                        <p className="text-sm whitespace-pre-wrap">
+                          {renderMessageContent(message.content)}
+                        </p>
+                        {message.sugerencia && !message.sugerencia.aceptada && (
+                          <div className="mt-3 p-3 bg-background/80 rounded-md border">
+                            <p className="text-xs font-medium text-muted-foreground mb-2">
+                              Sugerencia para: {message.sugerencia.campoNombre}
+                            </p>
+                            <div className="text-sm text-foreground bg-accent/10 p-2 rounded mb-3 max-h-32 overflow-y-auto">
+                              {message.sugerencia.valorSugerido}
+                            </div>
+                            <div className="flex items-center gap-2">
+                              <Button 
+                                size="sm" 
+                                onClick={() => onAcceptSuggestion(message.sugerencia!)}
+                                className="bg-success hover:bg-success/90 text-success-foreground"
+                              >
+                                <Check className="w-3 h-3 mr-1" />
+                                Aplicar
+                              </Button>
+                              <Button 
+                                size="sm" 
+                                variant="outline"
+                                onClick={() => onRejectSuggestion(message.id)}
+                              >
+                                <X className="w-3 h-3 mr-1" />
+                                Rechazar
+                              </Button>
+                            </div>
+                          </div>
+                        )}
+                        {message.sugerencia?.aceptada && (
+                          <Badge className="mt-2 badge-library">
+                            <Check className="w-3 h-3 mr-1" />
+                            Sugerencia aplicada
+                          </Badge>
+                        )}
+                      </div>
+                      {message.role === 'user' && (
+                        <div className="w-8 h-8 rounded-full bg-primary flex items-center justify-center flex-shrink-0">
+                          <User className="w-4 h-4 text-primary-foreground" />
+                        </div>
+                      )}
+                    </div>
+                  ))
+                )}
+                {isLoading && (
+                  <div className="flex gap-3">
+                    <div className="w-8 h-8 rounded-full bg-accent/20 flex items-center justify-center flex-shrink-0">
+                      <Bot className="w-4 h-4 text-accent animate-pulse" />
+                    </div>
+                    <div className="bg-muted rounded-lg px-4 py-3">
+                      <div className="flex items-center gap-1">
+                        <div className="w-2 h-2 bg-accent rounded-full animate-bounce [animation-delay:-0.3s]" />
+                        <div className="w-2 h-2 bg-accent rounded-full animate-bounce [animation-delay:-0.15s]" />
+                        <div className="w-2 h-2 bg-accent rounded-full animate-bounce" />
+                      </div>
+                    </div>
+                  </div>
+                )}
+              </div>
+            </ScrollArea>
+
+            {/* Input area */}
+            <div className="p-4 border-t">
+              <div className="relative">
+                <Textarea
+                  ref={textareaRef}
+                  value={input}
+                  onChange={handleInputChange}
+                  onKeyDown={(e) => {
+                    if (e.key === 'Enter' && !e.shiftKey) {
+                      e.preventDefault();
+                      handleSend();
+                    }
+                  }}
+                  placeholder="Escribe tu mensaje... Usa : para mencionar campos"
+                  className="min-h-[80px] pr-12 resize-none"
+                  disabled={isLoading}
+                />
+                <Button
+                  size="sm"
+                  onClick={handleSend}
+                  disabled={!input.trim() || isLoading}
+                  className="absolute bottom-3 right-3 h-8 w-8 p-0"
+                >
+                  <Send className="w-4 h-4" />
+                </Button>
+              </div>
+
+              {/* Field selector popover */}
+              {showFieldSelector && (
+                <div className="absolute z-50 mt-1 w-64 bg-popover border rounded-lg shadow-lg">
+                  <Command>
+                    <CommandInput placeholder="Buscar campo..." />
+                    <CommandList>
+                      <CommandEmpty>No se encontró el campo</CommandEmpty>
+                      <CommandGroup heading="Campos disponibles">
+                        {campos.map((campo) => (
+                          <CommandItem
+                            key={campo.id}
+                            value={campo.id}
+                            onSelect={() => insertFieldMention(campo.id)}
+                            className="cursor-pointer"
+                          >
+                            <span className="font-mono text-xs text-accent mr-2">
+                              :{campo.id}
+                            </span>
+                            <span>{campo.nombre}</span>
+                          </CommandItem>
+                        ))}
+                      </CommandGroup>
+                    </CommandList>
+                  </Command>
+                </div>
+              )}
+            </div>
+          </CardContent>
+        </Card>
+
+        {/* Sidebar with quick actions and fields */}
+        <div className="space-y-4">
+          {/* Quick actions */}
+          <Card className="card-elevated">
+            <CardHeader className="pb-2">
+              <CardTitle className="text-sm font-medium">Acciones rápidas</CardTitle>
+            </CardHeader>
+            <CardContent className="space-y-2">
+              {quickActions.map((action) => {
+                const Icon = action.icon;
+                return (
+                  <Button
+                    key={action.id}
+                    variant="outline"
+                    className="w-full justify-start text-left h-auto py-3"
+                    onClick={() => handleQuickAction(action.prompt)}
+                  >
+                    <Icon className="w-4 h-4 mr-2 text-accent flex-shrink-0" />
+                    <span className="text-sm">{action.label}</span>
+                  </Button>
+                );
+              })}
+            </CardContent>
+          </Card>
+
+          {/* Available fields */}
+          <Card className="card-elevated">
+            <CardHeader className="pb-2">
+              <CardTitle className="text-sm font-medium">Campos de la materia</CardTitle>
+            </CardHeader>
+            <CardContent>
+              <ScrollArea className="h-[280px]">
+                <div className="space-y-2">
+                  {campos.map((campo) => {
+                    const hasValue = !!datosGenerales[campo.id];
+                    return (
+                      <div 
+                        key={campo.id}
+                        className={cn(
+                          "p-2 rounded-md border cursor-pointer transition-colors hover:bg-muted/50",
+                          hasValue ? "border-success/30" : "border-warning/30"
+                        )}
+                        onClick={() => {
+                          setInput(prev => prev + `:${campo.id} `);
+                          textareaRef.current?.focus();
+                        }}
+                      >
+                        <div className="flex items-center justify-between">
+                          <span className="text-xs font-mono text-accent">:{campo.id}</span>
+                          {hasValue ? (
+                            <Badge variant="outline" className="text-xs text-success border-success/30">
+                              Completo
+                            </Badge>
+                          ) : (
+                            <Badge variant="outline" className="text-xs text-warning border-warning/30">
+                              Vacío
+                            </Badge>
+                          )}
+                        </div>
+                        <p className="text-sm text-foreground mt-1">{campo.nombre}</p>
+                      </div>
+                    );
+                  })}
+                </div>
+              </ScrollArea>
+            </CardContent>
+          </Card>
+        </div>
+      </div>
+    </div>
+  );
+}
diff --git a/src/components/asignaturas/detalle/MateriaDetailPage.tsx b/src/components/asignaturas/detalle/MateriaDetailPage.tsx
index 52ba7a0..3a7cd71 100644
--- a/src/components/asignaturas/detalle/MateriaDetailPage.tsx
+++ b/src/components/asignaturas/detalle/MateriaDetailPage.tsx
@@ -1,19 +1,106 @@
-import { createFileRoute, Link } from '@tanstack/react-router'
+
+import  { useCallback, useState } from 'react'
+import {  Link } from '@tanstack/react-router'
 import { Tabs, TabsList, TabsTrigger, TabsContent } from '@/components/ui/tabs'
 import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card'
 import { Badge } from '@/components/ui/badge'
 import { Button } from '@/components/ui/button'
 import { Separator } from '@/components/ui/separator'
+import { Textarea } from '@/components/ui/textarea'
 import {
   ArrowLeft,
   GraduationCap,
-
+  Edit2, Save, 
+  Pencil
 } from 'lucide-react'
 import { ContenidoTematico } from './ContenidoTematico'
 import { BibliographyItem } from './BibliographyItem'
+import { IAMateriaTab } from './IAMateriaTab'
+import type { 
+  CampoEstructura,
+  IAMessage, 
+  IASugerencia, 
+  UnidadTematica, 
+} from '@/types/materia';
+import {
+  mockMateria,
+  mockEstructura,
+  mockDocumentoSep,
+  mockHistorial
+} from '@/data/mockMateriaData';
+import { DocumentoSEPTab } from './DocumentoSEPTab'
+import { HistorialTab } from './HistorialTab'
+
+export interface BibliografiaEntry {
+  id: string;
+  tipo: 'BASICA' | 'COMPLEMENTARIA';
+  cita: string;
+  fuenteBibliotecaId?: string;
+  fuenteBiblioteca?: any;
+}
+export interface BibliografiaTabProps {
+  bibliografia: BibliografiaEntry[];
+  onSave: (bibliografia: BibliografiaEntry[]) => void;
+  isSaving: boolean;
+}
 
 export default function MateriaDetailPage() {
 
+  // 1. Asegúrate de tener estos estados en tu componente principal
+const [messages, setMessages] = useState<IAMessage[]>([]);
+const [datosGenerales, setDatosGenerales] = useState({});
+const [campos, setCampos] = useState<CampoEstructura[]>([]);
+
+// 2. Funciones de manejo para la IA
+const handleSendMessage = (text: string, campoId?: string) => {
+  const newMessage: IAMessage = {
+    id: Date.now().toString(),
+    role: 'user',
+    content: text,
+    timestamp: new Date(),
+    campoAfectado: campoId
+  };
+  setMessages([...messages, newMessage]);
+  
+  // Aquí llamarías a tu API de OpenAI/Claude
+  //toast.info("Enviando consulta a la IA...");
+};
+
+const handleAcceptSuggestion = (sugerencia: IASugerencia) => {
+  // Lógica para actualizar el valor del campo en tu estado de datosGenerales
+  //toast.success(`Sugerencia aplicada a ${sugerencia.campoNombre}`);
+};
+
+  // Dentro de tu componente principal (donde están los Tabs)
+const [bibliografia, setBibliografia] = useState<BibliografiaEntry[]>([
+  {
+    id: '1',
+    tipo: 'BASICA',
+    cita: 'Russell, S., & Norvig, P. (2020). Artificial Intelligence: A Modern Approach. Pearson.'
+  }
+]);
+const [isSaving, setIsSaving] = useState(false);
+
+const handleSaveBibliografia = (data: BibliografiaEntry[]) => {
+  setIsSaving(true);
+  // Aquí iría tu llamada a la API
+  setBibliografia(data);
+  
+  // Simulamos un guardado
+  setTimeout(() => {
+    setIsSaving(false);
+    //toast.success("Cambios guardados");
+  }, 1000);
+};
+
+ const [isRegenerating, setIsRegenerating] = useState(false);
+
+const handleRegenerateDocument = useCallback(() => {
+    setIsRegenerating(true);
+    setTimeout(() => {
+      setIsRegenerating(false);
+    }, 2000);
+  }, []);
 
   return (
     <div className="w-full">
@@ -21,7 +108,7 @@ export default function MateriaDetailPage() {
       <section className="bg-gradient-to-b from-[#0b1d3a] to-[#0e2a5c] text-white">
         <div className="max-w-7xl mx-auto px-6 py-10">
           <Link
-            to="/materias"
+            to="/planes"
             className="flex items-center gap-2 text-sm text-blue-200 hover:text-white mb-4"
           >
             <ArrowLeft className="w-4 h-4" />
@@ -90,23 +177,36 @@ export default function MateriaDetailPage() {
 
             <TabsContent value="bibliografia">
               <BibliographyItem 
-                value="Russell, S., & Norvig, P. (2021). Artificial Intelligence: A Modern Approach (4th ed.). Pearson."
-              onSave={(newValue) => {
-                console.log('Guardar en API:', newValue)
-              }}
+                bibliografia={bibliografia} 
+                onSave={handleSaveBibliografia} 
+                isSaving={isSaving} 
               />
             </TabsContent>
 
             <TabsContent value="ia">
-              <EmptyTab title="IA de la materia" />
+              <IAMateriaTab 
+              campos={campos}
+              datosGenerales={datosGenerales}
+              messages={messages}
+              onSendMessage={handleSendMessage}
+              onAcceptSuggestion={handleAcceptSuggestion}
+              onRejectSuggestion={(id) => console.log("Rechazada") /*toast.error("Sugerencia rechazada")*/}
+            />
             </TabsContent>
 
             <TabsContent value="sep">
-              <EmptyTab title="Documento SEP" />
+              <DocumentoSEPTab
+                documento={mockDocumentoSep}
+                materia={mockMateria}
+                estructura={mockEstructura}
+                datosGenerales={datosGenerales}
+                onRegenerate={handleRegenerateDocument}
+                isRegenerating={isRegenerating}
+              />
             </TabsContent>
 
             <TabsContent value="historial">
-              <EmptyTab title="Historial" />
+               <HistorialTab historial={mockHistorial} />
             </TabsContent>
           </Tabs>
         </div>
@@ -119,105 +219,174 @@ export default function MateriaDetailPage() {
 
 function DatosGenerales() {
   return (
-    <div className="max-w-5xl mx-auto py-10 space-y-6">
-      <HeaderTab />
-
-      <InfoCard
-        title="Objetivo General"
-        content="Formar profesionales capaces de diseñar, implementar y evaluar sistemas de inteligencia artificial que resuelvan problemas complejos del mundo real."
-      />
-
-      <InfoCard
-        title="Competencias a Desarrollar"
-        content={
-          <ul className="list-disc list-inside space-y-1">
-            <li>Diseñar algoritmos de machine learning</li>
-            <li>Implementar redes neuronales profundas</li>
-            <li>Evaluar modelos de IA considerando métricas</li>
-            <li>Aplicar principios éticos en sistemas inteligentes</li>
-          </ul>
-        }
-      />
-
-      <InfoCard
-        title="Justificación"
-        content="La inteligencia artificial es una de las tecnologías más disruptivas del siglo XXI..."
-      />
-
-      <InfoCard
-        title="Requisitos y Seriación"
-        content="Programación Avanzada (PA-301), Matemáticas Discretas (MAT-201)"
-      />
-
-      <InfoCard
-        title="Estrategias Didácticas"
-        content={
-          <ul className="list-disc list-inside space-y-1">
-            <li>Aprendizaje basado en proyectos</li>
-            <li>Talleres prácticos con datasets reales</li>
-            <li>Estudios de caso</li>
-          </ul>
-        }
-      />
-
-      <InfoCard
-        title="Sistema de Evaluación"
-        content={
-          <ul className="list-disc list-inside space-y-1">
-            <li>Exámenes parciales: 30%</li>
-            <li>Proyecto integrador: 35%</li>
-            <li>Prácticas de laboratorio: 20%</li>
-            <li>Participación: 15%</li>
-          </ul>
-        }
-      />
-
-      <InfoCard
-        title="Perfil del Docente"
-        content="Profesional con maestría o doctorado en áreas afines a IA, con experiencia mínima de 3 años."
-      />
-    </div>
-  )
-}
-
-function HeaderTab() {
-  return (
-    <div className="flex items-center justify-between">
-      <div>
-        <h2 className="text-xl font-semibold">Datos Generales</h2>
-        <p className="text-sm text-muted-foreground">
-          Información basada en la plantilla SEP Licenciatura
-        </p>
+    <div className="max-w-7xl mx-auto py-8 px-4 space-y-8 animate-in fade-in duration-500">
+      
+      {/* Encabezado de la Sección */}
+      <div className="flex flex-col md:flex-row md:items-center justify-between gap-4 border-b pb-6">
+        <div>
+          <h2 className="text-2xl font-bold tracking-tight text-slate-900">Datos Generales</h2>
+          <p className="text-slate-500 mt-1">
+            Información oficial estructurada bajo los lineamientos de la SEP.
+          </p>
+        </div>
+        <div className="flex gap-3">
+          <Button variant="outline" size="sm" className="gap-2">
+            <Edit2 className="w-4 h-4" /> Editar borrador
+          </Button>
+          <Button size="sm" className="gap-2 bg-blue-600 hover:bg-blue-700">
+            <Save className="w-4 h-4" /> Guardar cambios
+          </Button>
+        </div>
       </div>
 
-      <Button size="sm">Guardar todo</Button>
+      {/* Grid de Información */}
+      <div className="grid grid-cols-1 md:grid-cols-3 gap-6">
+        
+        {/* Columna Principal (Más ancha) */}
+        <div className="md:col-span-2 space-y-6">
+          <div className="md:col-span-2 space-y-6">
+          <InfoCard
+            title="Competencias a Desarrollar"
+            subtitle="Competencias profesionales que se desarrollarán"
+            isList={true}
+            initialContent={`• Diseñar algoritmos de machine learning para clasificación y predicción\n• Implementar redes neuronales profundas para procesamiento de imágenes\n• Evaluar y optimizar modelos de IA considerando métricas`}
+          />
+          
+          <InfoCard
+            title="Objetivo General"
+            initialContent="Formar profesionales capaces de diseñar, implementar y evaluar sistemas de inteligencia artificial que resuelvan problemas complejos."
+          />
+        </div>
+        
+        <div className="space-y-6">
+          <InfoCard
+            title="Justificación"
+            initialContent="La inteligencia artificial es una de las tecnologías más disruptivas..."
+          />
+        </div>
+        </div>
+
+        {/* Columna Lateral (Información Secundaria) */}
+        <div className="space-y-6">
+          <div className="space-y-6">
+          {/* Tarjeta de Requisitos */}
+          <InfoCard
+            title="Requisitos y Seriación"
+            type="requirements"
+            initialContent={[
+              { type: "Pre-requisito", code: "PA-301", name: "Programación Avanzada" },
+              { type: "Co-requisito", code: "MAT-201", name: "Matemáticas Discretas" }
+            ]}
+          />
+
+          {/* Tarjeta de Evaluación */}
+          <InfoCard
+            title="Sistema de Evaluación"
+            type="evaluation"
+            initialContent={[
+              { label: "Exámenes parciales", value: "30%" },
+              { label: "Proyecto integrador", value: "35%" },
+              { label: "Prácticas de laboratorio", value: "20%" },
+              { label: "Participación", value: "15%" },
+            ]}
+          />
+        </div>
+        </div>
+      </div>
     </div>
   )
 }
 
-function InfoCard({
-  title,
-  content,
-}: {
-  title: string
-  content: React.ReactNode
-}) {
+interface InfoCardProps {
+  title: string,
+  subtitle?: string
+  isList?:boolean
+  initialContent: any // Puede ser string o array de objetos
+  type?: 'text' | 'list' | 'requirements' | 'evaluation'
+}
+
+function InfoCard({ title, initialContent, type = 'text' }: InfoCardProps) {
+  const [isEditing, setIsEditing] = useState(false)
+  const [data, setData] = useState(initialContent)
+  // Estado temporal para el área de texto (siempre editamos como texto por simplicidad)
+  const [tempText, setTempText] = useState(
+    type === 'text' || type === 'list' 
+      ? initialContent 
+      : JSON.stringify(initialContent, null, 2) // O un formato legible
+  )
+
+  const handleSave = () => {
+    // Aquí podrías parsear el texto de vuelta si es necesario
+    setData(tempText) 
+    setIsEditing(false)
+  }
+
   return (
-    <Card>
-      <CardHeader className="pb-2">
-        <CardTitle className="text-base flex items-center gap-2">
-          {title}
-          <Badge variant="outline">Obligatorio</Badge>
-        </CardTitle>
+    <Card className="transition-all hover:border-slate-300">
+      <CardHeader className="pb-3 flex flex-row items-start justify-between space-y-0">
+        <CardTitle className="text-sm font-bold text-slate-700">{title}</CardTitle>
+        {!isEditing && (
+          <Button variant="ghost" size="icon" className="h-8 w-8 text-slate-400" onClick={() => setIsEditing(true)}>
+            <Pencil className="h-3 w-3" />
+          </Button>
+        )}
       </CardHeader>
 
-      <CardContent className="text-sm text-muted-foreground">
-        {content}
+      <CardContent>
+        {isEditing ? (
+          <div className="space-y-3">
+            <Textarea 
+              value={tempText} 
+              onChange={(e) => setTempText(e.target.value)}
+              className="text-xs min-h-[100px]"
+            />
+            <div className="flex justify-end gap-2">
+              <Button size="sm" variant="ghost" onClick={() => setIsEditing(false)}>Cancelar</Button>
+              <Button size="sm" className="bg-[#00a878]" onClick={handleSave}>Guardar</Button>
+            </div>
+          </div>
+        ) : (
+          <div className="text-sm">
+            {type === 'requirements' && <RequirementsView items={data} />}
+            {type === 'evaluation' && <EvaluationView items={data} />}
+            {type === 'text' && <p className="text-slate-600">{data}</p>}
+          </div>
+        )}
       </CardContent>
     </Card>
   )
 }
 
+// Vista de Requisitos
+function RequirementsView({ items }: { items: any[] }) {
+  return (
+    <div className="space-y-3">
+      {items.map((req, i) => (
+        <div key={i} className="p-3 bg-slate-50 rounded-lg border border-slate-100">
+          <p className="text-[10px] font-bold text-slate-400 uppercase tracking-tight">{req.type}</p>
+          <p className="text-sm font-medium text-slate-700">{req.code} {req.name}</p>
+        </div>
+      ))}
+    </div>
+  )
+}
+
+// Vista de Evaluación
+function EvaluationView({ items }: { items: any[] }) {
+  return (
+    <div className="space-y-2">
+      {items.map((item, i) => (
+        <div key={i} className="flex justify-between text-sm border-b border-slate-50 pb-1.5 italic">
+          <span className="text-slate-500">{item.label}</span>
+          <span className="font-bold text-blue-600">{item.value}</span>
+        </div>
+      ))}
+    </div>
+  )
+}
+
+
+
 function EmptyTab({ title }: { title: string }) {
   return (
     <div className="py-16 text-center text-muted-foreground">
diff --git a/src/components/ui/alert-dialog.tsx b/src/components/ui/alert-dialog.tsx
new file mode 100644
index 0000000..935eecf
--- /dev/null
+++ b/src/components/ui/alert-dialog.tsx
@@ -0,0 +1,155 @@
+import * as React from "react"
+import * as AlertDialogPrimitive from "@radix-ui/react-alert-dialog"
+
+import { cn } from "@/lib/utils"
+import { buttonVariants } from "@/components/ui/button"
+
+function AlertDialog({
+  ...props
+}: React.ComponentProps<typeof AlertDialogPrimitive.Root>) {
+  return <AlertDialogPrimitive.Root data-slot="alert-dialog" {...props} />
+}
+
+function AlertDialogTrigger({
+  ...props
+}: React.ComponentProps<typeof AlertDialogPrimitive.Trigger>) {
+  return (
+    <AlertDialogPrimitive.Trigger data-slot="alert-dialog-trigger" {...props} />
+  )
+}
+
+function AlertDialogPortal({
+  ...props
+}: React.ComponentProps<typeof AlertDialogPrimitive.Portal>) {
+  return (
+    <AlertDialogPrimitive.Portal data-slot="alert-dialog-portal" {...props} />
+  )
+}
+
+function AlertDialogOverlay({
+  className,
+  ...props
+}: React.ComponentProps<typeof AlertDialogPrimitive.Overlay>) {
+  return (
+    <AlertDialogPrimitive.Overlay
+      data-slot="alert-dialog-overlay"
+      className={cn(
+        "data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 fixed inset-0 z-50 bg-black/50",
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+function AlertDialogContent({
+  className,
+  ...props
+}: React.ComponentProps<typeof AlertDialogPrimitive.Content>) {
+  return (
+    <AlertDialogPortal>
+      <AlertDialogOverlay />
+      <AlertDialogPrimitive.Content
+        data-slot="alert-dialog-content"
+        className={cn(
+          "bg-background data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 fixed top-[50%] left-[50%] z-50 grid w-full max-w-[calc(100%-2rem)] translate-x-[-50%] translate-y-[-50%] gap-4 rounded-lg border p-6 shadow-lg duration-200 sm:max-w-lg",
+          className
+        )}
+        {...props}
+      />
+    </AlertDialogPortal>
+  )
+}
+
+function AlertDialogHeader({
+  className,
+  ...props
+}: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="alert-dialog-header"
+      className={cn("flex flex-col gap-2 text-center sm:text-left", className)}
+      {...props}
+    />
+  )
+}
+
+function AlertDialogFooter({
+  className,
+  ...props
+}: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="alert-dialog-footer"
+      className={cn(
+        "flex flex-col-reverse gap-2 sm:flex-row sm:justify-end",
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+function AlertDialogTitle({
+  className,
+  ...props
+}: React.ComponentProps<typeof AlertDialogPrimitive.Title>) {
+  return (
+    <AlertDialogPrimitive.Title
+      data-slot="alert-dialog-title"
+      className={cn("text-lg font-semibold", className)}
+      {...props}
+    />
+  )
+}
+
+function AlertDialogDescription({
+  className,
+  ...props
+}: React.ComponentProps<typeof AlertDialogPrimitive.Description>) {
+  return (
+    <AlertDialogPrimitive.Description
+      data-slot="alert-dialog-description"
+      className={cn("text-muted-foreground text-sm", className)}
+      {...props}
+    />
+  )
+}
+
+function AlertDialogAction({
+  className,
+  ...props
+}: React.ComponentProps<typeof AlertDialogPrimitive.Action>) {
+  return (
+    <AlertDialogPrimitive.Action
+      className={cn(buttonVariants(), className)}
+      {...props}
+    />
+  )
+}
+
+function AlertDialogCancel({
+  className,
+  ...props
+}: React.ComponentProps<typeof AlertDialogPrimitive.Cancel>) {
+  return (
+    <AlertDialogPrimitive.Cancel
+      className={cn(buttonVariants({ variant: "outline" }), className)}
+      {...props}
+    />
+  )
+}
+
+export {
+  AlertDialog,
+  AlertDialogPortal,
+  AlertDialogOverlay,
+  AlertDialogTrigger,
+  AlertDialogContent,
+  AlertDialogHeader,
+  AlertDialogFooter,
+  AlertDialogTitle,
+  AlertDialogDescription,
+  AlertDialogAction,
+  AlertDialogCancel,
+}
diff --git a/src/components/ui/collapsible.tsx b/src/components/ui/collapsible.tsx
new file mode 100644
index 0000000..77f86be
--- /dev/null
+++ b/src/components/ui/collapsible.tsx
@@ -0,0 +1,31 @@
+import * as CollapsiblePrimitive from "@radix-ui/react-collapsible"
+
+function Collapsible({
+  ...props
+}: React.ComponentProps<typeof CollapsiblePrimitive.Root>) {
+  return <CollapsiblePrimitive.Root data-slot="collapsible" {...props} />
+}
+
+function CollapsibleTrigger({
+  ...props
+}: React.ComponentProps<typeof CollapsiblePrimitive.CollapsibleTrigger>) {
+  return (
+    <CollapsiblePrimitive.CollapsibleTrigger
+      data-slot="collapsible-trigger"
+      {...props}
+    />
+  )
+}
+
+function CollapsibleContent({
+  ...props
+}: React.ComponentProps<typeof CollapsiblePrimitive.CollapsibleContent>) {
+  return (
+    <CollapsiblePrimitive.CollapsibleContent
+      data-slot="collapsible-content"
+      {...props}
+    />
+  )
+}
+
+export { Collapsible, CollapsibleTrigger, CollapsibleContent }
diff --git a/src/components/ui/dropdown-menu.tsx b/src/components/ui/dropdown-menu.tsx
new file mode 100644
index 0000000..eaed9ba
--- /dev/null
+++ b/src/components/ui/dropdown-menu.tsx
@@ -0,0 +1,255 @@
+import * as React from "react"
+import * as DropdownMenuPrimitive from "@radix-ui/react-dropdown-menu"
+import { CheckIcon, ChevronRightIcon, CircleIcon } from "lucide-react"
+
+import { cn } from "@/lib/utils"
+
+function DropdownMenu({
+  ...props
+}: React.ComponentProps<typeof DropdownMenuPrimitive.Root>) {
+  return <DropdownMenuPrimitive.Root data-slot="dropdown-menu" {...props} />
+}
+
+function DropdownMenuPortal({
+  ...props
+}: React.ComponentProps<typeof DropdownMenuPrimitive.Portal>) {
+  return (
+    <DropdownMenuPrimitive.Portal data-slot="dropdown-menu-portal" {...props} />
+  )
+}
+
+function DropdownMenuTrigger({
+  ...props
+}: React.ComponentProps<typeof DropdownMenuPrimitive.Trigger>) {
+  return (
+    <DropdownMenuPrimitive.Trigger
+      data-slot="dropdown-menu-trigger"
+      {...props}
+    />
+  )
+}
+
+function DropdownMenuContent({
+  className,
+  sideOffset = 4,
+  ...props
+}: React.ComponentProps<typeof DropdownMenuPrimitive.Content>) {
+  return (
+    <DropdownMenuPrimitive.Portal>
+      <DropdownMenuPrimitive.Content
+        data-slot="dropdown-menu-content"
+        sideOffset={sideOffset}
+        className={cn(
+          "bg-popover text-popover-foreground data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2 z-50 max-h-(--radix-dropdown-menu-content-available-height) min-w-[8rem] origin-(--radix-dropdown-menu-content-transform-origin) overflow-x-hidden overflow-y-auto rounded-md border p-1 shadow-md",
+          className
+        )}
+        {...props}
+      />
+    </DropdownMenuPrimitive.Portal>
+  )
+}
+
+function DropdownMenuGroup({
+  ...props
+}: React.ComponentProps<typeof DropdownMenuPrimitive.Group>) {
+  return (
+    <DropdownMenuPrimitive.Group data-slot="dropdown-menu-group" {...props} />
+  )
+}
+
+function DropdownMenuItem({
+  className,
+  inset,
+  variant = "default",
+  ...props
+}: React.ComponentProps<typeof DropdownMenuPrimitive.Item> & {
+  inset?: boolean
+  variant?: "default" | "destructive"
+}) {
+  return (
+    <DropdownMenuPrimitive.Item
+      data-slot="dropdown-menu-item"
+      data-inset={inset}
+      data-variant={variant}
+      className={cn(
+        "focus:bg-accent focus:text-accent-foreground data-[variant=destructive]:text-destructive data-[variant=destructive]:focus:bg-destructive/10 dark:data-[variant=destructive]:focus:bg-destructive/20 data-[variant=destructive]:focus:text-destructive data-[variant=destructive]:*:[svg]:!text-destructive [&_svg:not([class*='text-'])]:text-muted-foreground relative flex cursor-default items-center gap-2 rounded-sm px-2 py-1.5 text-sm outline-hidden select-none data-[disabled]:pointer-events-none data-[disabled]:opacity-50 data-[inset]:pl-8 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4",
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+function DropdownMenuCheckboxItem({
+  className,
+  children,
+  checked,
+  ...props
+}: React.ComponentProps<typeof DropdownMenuPrimitive.CheckboxItem>) {
+  return (
+    <DropdownMenuPrimitive.CheckboxItem
+      data-slot="dropdown-menu-checkbox-item"
+      className={cn(
+        "focus:bg-accent focus:text-accent-foreground relative flex cursor-default items-center gap-2 rounded-sm py-1.5 pr-2 pl-8 text-sm outline-hidden select-none data-[disabled]:pointer-events-none data-[disabled]:opacity-50 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4",
+        className
+      )}
+      checked={checked}
+      {...props}
+    >
+      <span className="pointer-events-none absolute left-2 flex size-3.5 items-center justify-center">
+        <DropdownMenuPrimitive.ItemIndicator>
+          <CheckIcon className="size-4" />
+        </DropdownMenuPrimitive.ItemIndicator>
+      </span>
+      {children}
+    </DropdownMenuPrimitive.CheckboxItem>
+  )
+}
+
+function DropdownMenuRadioGroup({
+  ...props
+}: React.ComponentProps<typeof DropdownMenuPrimitive.RadioGroup>) {
+  return (
+    <DropdownMenuPrimitive.RadioGroup
+      data-slot="dropdown-menu-radio-group"
+      {...props}
+    />
+  )
+}
+
+function DropdownMenuRadioItem({
+  className,
+  children,
+  ...props
+}: React.ComponentProps<typeof DropdownMenuPrimitive.RadioItem>) {
+  return (
+    <DropdownMenuPrimitive.RadioItem
+      data-slot="dropdown-menu-radio-item"
+      className={cn(
+        "focus:bg-accent focus:text-accent-foreground relative flex cursor-default items-center gap-2 rounded-sm py-1.5 pr-2 pl-8 text-sm outline-hidden select-none data-[disabled]:pointer-events-none data-[disabled]:opacity-50 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4",
+        className
+      )}
+      {...props}
+    >
+      <span className="pointer-events-none absolute left-2 flex size-3.5 items-center justify-center">
+        <DropdownMenuPrimitive.ItemIndicator>
+          <CircleIcon className="size-2 fill-current" />
+        </DropdownMenuPrimitive.ItemIndicator>
+      </span>
+      {children}
+    </DropdownMenuPrimitive.RadioItem>
+  )
+}
+
+function DropdownMenuLabel({
+  className,
+  inset,
+  ...props
+}: React.ComponentProps<typeof DropdownMenuPrimitive.Label> & {
+  inset?: boolean
+}) {
+  return (
+    <DropdownMenuPrimitive.Label
+      data-slot="dropdown-menu-label"
+      data-inset={inset}
+      className={cn(
+        "px-2 py-1.5 text-sm font-medium data-[inset]:pl-8",
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+function DropdownMenuSeparator({
+  className,
+  ...props
+}: React.ComponentProps<typeof DropdownMenuPrimitive.Separator>) {
+  return (
+    <DropdownMenuPrimitive.Separator
+      data-slot="dropdown-menu-separator"
+      className={cn("bg-border -mx-1 my-1 h-px", className)}
+      {...props}
+    />
+  )
+}
+
+function DropdownMenuShortcut({
+  className,
+  ...props
+}: React.ComponentProps<"span">) {
+  return (
+    <span
+      data-slot="dropdown-menu-shortcut"
+      className={cn(
+        "text-muted-foreground ml-auto text-xs tracking-widest",
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+function DropdownMenuSub({
+  ...props
+}: React.ComponentProps<typeof DropdownMenuPrimitive.Sub>) {
+  return <DropdownMenuPrimitive.Sub data-slot="dropdown-menu-sub" {...props} />
+}
+
+function DropdownMenuSubTrigger({
+  className,
+  inset,
+  children,
+  ...props
+}: React.ComponentProps<typeof DropdownMenuPrimitive.SubTrigger> & {
+  inset?: boolean
+}) {
+  return (
+    <DropdownMenuPrimitive.SubTrigger
+      data-slot="dropdown-menu-sub-trigger"
+      data-inset={inset}
+      className={cn(
+        "focus:bg-accent focus:text-accent-foreground data-[state=open]:bg-accent data-[state=open]:text-accent-foreground [&_svg:not([class*='text-'])]:text-muted-foreground flex cursor-default items-center gap-2 rounded-sm px-2 py-1.5 text-sm outline-hidden select-none data-[inset]:pl-8 [&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4",
+        className
+      )}
+      {...props}
+    >
+      {children}
+      <ChevronRightIcon className="ml-auto size-4" />
+    </DropdownMenuPrimitive.SubTrigger>
+  )
+}
+
+function DropdownMenuSubContent({
+  className,
+  ...props
+}: React.ComponentProps<typeof DropdownMenuPrimitive.SubContent>) {
+  return (
+    <DropdownMenuPrimitive.SubContent
+      data-slot="dropdown-menu-sub-content"
+      className={cn(
+        "bg-popover text-popover-foreground data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2 z-50 min-w-[8rem] origin-(--radix-dropdown-menu-content-transform-origin) overflow-hidden rounded-md border p-1 shadow-lg",
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+export {
+  DropdownMenu,
+  DropdownMenuPortal,
+  DropdownMenuTrigger,
+  DropdownMenuContent,
+  DropdownMenuGroup,
+  DropdownMenuLabel,
+  DropdownMenuItem,
+  DropdownMenuCheckboxItem,
+  DropdownMenuRadioGroup,
+  DropdownMenuRadioItem,
+  DropdownMenuSeparator,
+  DropdownMenuShortcut,
+  DropdownMenuSub,
+  DropdownMenuSubTrigger,
+  DropdownMenuSubContent,
+}
diff --git a/src/data/mockMateriaData.ts b/src/data/mockMateriaData.ts
new file mode 100644
index 0000000..aa8e3fb
--- /dev/null
+++ b/src/data/mockMateriaData.ts
@@ -0,0 +1,302 @@
+import type { 
+  Materia, 
+  MateriaStructure, 
+  UnidadTematica, 
+  BibliografiaEntry, 
+  CambioMateria, 
+  DocumentoMateria,
+  LibraryResource 
+} from '@/types/materia';
+
+export const mockMateria: Materia = {
+  id: '1',
+  nombre: 'Inteligencia Artificial Aplicada',
+  clave: 'IAA-401',
+  creditos: 8,
+  lineaCurricular: 'Sistemas Inteligentes',
+  ciclo: '7° Semestre',
+  planId: 'plan-1',
+  planNombre: 'Licenciatura en Ingeniería en Sistemas Computacionales 2024',
+  carrera: 'Ingeniería en Sistemas Computacionales',
+  facultad: 'Facultad de Ingeniería',
+  estructuraId: 'estructura-1',
+};
+
+export const mockEstructura: MateriaStructure = {
+  id: 'estructura-1',
+  nombre: 'Plantilla SEP Licenciatura',
+  campos: [
+    {
+      id: 'objetivo_general',
+      nombre: 'Objetivo General',
+      tipo: 'texto_largo',
+      obligatorio: true,
+      descripcion: 'Describe el propósito principal de la materia',
+      placeholder: 'Al finalizar el curso, el estudiante será capaz de...',
+    },
+    {
+      id: 'competencias',
+      nombre: 'Competencias a Desarrollar',
+      tipo: 'texto_largo',
+      obligatorio: true,
+      descripcion: 'Competencias profesionales que se desarrollarán',
+    },
+    {
+      id: 'justificacion',
+      nombre: 'Justificación',
+      tipo: 'texto_largo',
+      obligatorio: true,
+      descripcion: 'Relevancia de la materia en el plan de estudios',
+    },
+    {
+      id: 'requisitos',
+      nombre: 'Requisitos / Seriación',
+      tipo: 'texto',
+      obligatorio: false,
+      descripcion: 'Materias previas requeridas',
+    },
+    {
+      id: 'estrategias_didacticas',
+      nombre: 'Estrategias Didácticas',
+      tipo: 'texto_largo',
+      obligatorio: true,
+      descripcion: 'Métodos de enseñanza-aprendizaje',
+    },
+    {
+      id: 'evaluacion',
+      nombre: 'Sistema de Evaluación',
+      tipo: 'texto_largo',
+      obligatorio: true,
+      descripcion: 'Criterios y porcentajes de evaluación',
+    },
+    {
+      id: 'perfil_docente',
+      nombre: 'Perfil del Docente',
+      tipo: 'texto_largo',
+      obligatorio: false,
+      descripcion: 'Características requeridas del profesor',
+    },
+  ],
+};
+
+export const mockDatosGenerales: Record<string, any> = {
+  objetivo_general: 'Formar profesionales capaces de diseñar, implementar y evaluar sistemas de inteligencia artificial que resuelvan problemas complejos del mundo real, aplicando principios éticos y metodologías actuales en el campo.',
+  competencias: '• Diseñar algoritmos de machine learning para clasificación y predicción\n• Implementar redes neuronales profundas para procesamiento de imágenes y texto\n• Evaluar y optimizar modelos de IA considerando métricas de rendimiento\n• Aplicar principios éticos en el desarrollo de sistemas inteligentes',
+  justificacion: 'La inteligencia artificial es una de las tecnologías más disruptivas del siglo XXI. Su integración en diversos sectores demanda profesionales con sólidas bases teóricas y prácticas. Esta materia proporciona las competencias necesarias para que el egresado pueda innovar y contribuir al desarrollo tecnológico del país.',
+  requisitos: 'Programación Avanzada (PAV-301), Matemáticas Discretas (MAT-201)',
+  estrategias_didacticas: '• Aprendizaje basado en proyectos\n• Talleres prácticos con datasets reales\n• Exposiciones y discusiones grupales\n• Análisis de casos de estudio\n• Desarrollo de prototipo integrador',
+  evaluacion: '• Exámenes parciales: 30%\n• Proyecto integrador: 35%\n• Prácticas de laboratorio: 20%\n• Participación y tareas: 15%',
+  perfil_docente: 'Profesional con maestría o doctorado en áreas afines a la inteligencia artificial, con experiencia mínima de 3 años en docencia y desarrollo de proyectos de IA.',
+};
+
+export const mockContenidoTematico: UnidadTematica[] = [
+  {
+    id: 'unidad-1',
+    nombre: 'Fundamentos de Inteligencia Artificial',
+    numero: 1,
+    temas: [
+      { id: 'tema-1-1', nombre: 'Historia y evolución de la IA', descripcion: 'Desde los orígenes hasta la actualidad', horasEstimadas: 2 },
+      { id: 'tema-1-2', nombre: 'Tipos de IA y aplicaciones', descripcion: 'IA débil, fuerte y superinteligencia', horasEstimadas: 3 },
+      { id: 'tema-1-3', nombre: 'Ética en IA', descripcion: 'Consideraciones éticas y responsabilidad', horasEstimadas: 2 },
+    ],
+  },
+  {
+    id: 'unidad-2',
+    nombre: 'Machine Learning',
+    numero: 2,
+    temas: [
+      { id: 'tema-2-1', nombre: 'Aprendizaje supervisado', descripcion: 'Regresión y clasificación', horasEstimadas: 6 },
+      { id: 'tema-2-2', nombre: 'Aprendizaje no supervisado', descripcion: 'Clustering y reducción de dimensionalidad', horasEstimadas: 5 },
+      { id: 'tema-2-3', nombre: 'Evaluación de modelos', descripcion: 'Métricas y validación cruzada', horasEstimadas: 4 },
+    ],
+  },
+  {
+    id: 'unidad-3',
+    nombre: 'Deep Learning',
+    numero: 3,
+    temas: [
+      { id: 'tema-3-1', nombre: 'Redes neuronales artificiales', descripcion: 'Perceptrón y backpropagation', horasEstimadas: 5 },
+      { id: 'tema-3-2', nombre: 'Redes convolucionales (CNN)', descripcion: 'Procesamiento de imágenes', horasEstimadas: 6 },
+      { id: 'tema-3-3', nombre: 'Redes recurrentes (RNN)', descripcion: 'Procesamiento de secuencias', horasEstimadas: 5 },
+      { id: 'tema-3-4', nombre: 'Transformers y atención', descripcion: 'Arquitecturas modernas', horasEstimadas: 6 },
+    ],
+  },
+  {
+    id: 'unidad-4',
+    nombre: 'Aplicaciones Prácticas',
+    numero: 4,
+    temas: [
+      { id: 'tema-4-1', nombre: 'Procesamiento de lenguaje natural', descripcion: 'NLP y chatbots', horasEstimadas: 6 },
+      { id: 'tema-4-2', nombre: 'Visión por computadora', descripcion: 'Detección y reconocimiento', horasEstimadas: 5 },
+      { id: 'tema-4-3', nombre: 'Sistemas de recomendación', descripcion: 'Filtrado colaborativo y contenido', horasEstimadas: 4 },
+    ],
+  },
+];
+
+export const mockBibliografia: BibliografiaEntry[] = [
+  {
+    id: 'bib-1',
+    tipo: 'BASICA',
+    cita: 'Russell, S., & Norvig, P. (2021). Artificial Intelligence: A Modern Approach (4th ed.). Pearson.',
+    fuenteBibliotecaId: 'lib-1',
+    fuenteBiblioteca: {
+      id: 'lib-1',
+      titulo: 'Artificial Intelligence: A Modern Approach',
+      autor: 'Stuart Russell, Peter Norvig',
+      editorial: 'Pearson',
+      anio: 2021,
+      isbn: '978-0134610993',
+      tipo: 'libro',
+      disponible: true,
+    },
+  },
+  {
+    id: 'bib-2',
+    tipo: 'BASICA',
+    cita: 'Géron, A. (2022). Hands-On Machine Learning with Scikit-Learn, Keras, and TensorFlow (3rd ed.). O\'Reilly Media.',
+    fuenteBibliotecaId: 'lib-2',
+    fuenteBiblioteca: {
+      id: 'lib-2',
+      titulo: 'Hands-On Machine Learning with Scikit-Learn, Keras, and TensorFlow',
+      autor: 'Aurélien Géron',
+      editorial: 'O\'Reilly Media',
+      anio: 2022,
+      isbn: '978-1098125974',
+      tipo: 'libro',
+      disponible: true,
+    },
+  },
+  {
+    id: 'bib-3',
+    tipo: 'COMPLEMENTARIA',
+    cita: 'Goodfellow, I., Bengio, Y., & Courville, A. (2016). Deep Learning. MIT Press.',
+  },
+  {
+    id: 'bib-4',
+    tipo: 'COMPLEMENTARIA',
+    cita: 'Chollet, F. (2021). Deep Learning with Python (2nd ed.). Manning Publications.',
+    fuenteBibliotecaId: 'lib-4',
+    fuenteBiblioteca: {
+      id: 'lib-4',
+      titulo: 'Deep Learning with Python',
+      autor: 'François Chollet',
+      editorial: 'Manning Publications',
+      anio: 2021,
+      isbn: '978-1617296864',
+      tipo: 'libro',
+      disponible: false,
+    },
+  },
+];
+
+export const mockHistorial: CambioMateria[] = [
+  {
+    id: 'cambio-1',
+    tipo: 'datos',
+    descripcion: 'Actualización del objetivo general',
+    usuario: 'Dr. Carlos Méndez',
+    fecha: new Date('2024-12-10T14:30:00'),
+    detalles: { campo: 'objetivo_general' },
+  },
+  {
+    id: 'cambio-2',
+    tipo: 'contenido',
+    descripcion: 'Agregada Unidad 4: Aplicaciones Prácticas',
+    usuario: 'Dr. Carlos Méndez',
+    fecha: new Date('2024-12-09T10:15:00'),
+    detalles: { unidad: 'Unidad 4' },
+  },
+  {
+    id: 'cambio-3',
+    tipo: 'ia',
+    descripcion: 'IA mejoró las competencias a desarrollar',
+    usuario: 'Dra. María López',
+    fecha: new Date('2024-12-08T16:45:00'),
+    detalles: { campo: 'competencias', accion: 'mejora' },
+  },
+  {
+    id: 'cambio-4',
+    tipo: 'bibliografia',
+    descripcion: 'Añadida referencia: Deep Learning with Python',
+    usuario: 'Biblioteca Central',
+    fecha: new Date('2024-12-07T09:00:00'),
+  },
+  {
+    id: 'cambio-5',
+    tipo: 'documento',
+    descripcion: 'Documento SEP regenerado (versión 3)',
+    usuario: 'Sistema',
+    fecha: new Date('2024-12-06T11:30:00'),
+  },
+];
+
+export const mockDocumentoSep: DocumentoMateria = {
+  id: 'doc-1',
+  materiaId: '1',
+  version: 3,
+  fechaGeneracion: new Date('2024-12-06T11:30:00'),
+  estado: 'listo',
+};
+
+export const mockLibraryResources: LibraryResource[] = [
+  {
+    id: 'lib-1',
+    titulo: 'Artificial Intelligence: A Modern Approach',
+    autor: 'Stuart Russell, Peter Norvig',
+    editorial: 'Pearson',
+    anio: 2021,
+    isbn: '978-0134610993',
+    tipo: 'libro',
+    disponible: true,
+  },
+  {
+    id: 'lib-2',
+    titulo: 'Hands-On Machine Learning with Scikit-Learn, Keras, and TensorFlow',
+    autor: 'Aurélien Géron',
+    editorial: 'O\'Reilly Media',
+    anio: 2022,
+    isbn: '978-1098125974',
+    tipo: 'libro',
+    disponible: true,
+  },
+  {
+    id: 'lib-3',
+    titulo: 'Pattern Recognition and Machine Learning',
+    autor: 'Christopher Bishop',
+    editorial: 'Springer',
+    anio: 2006,
+    isbn: '978-0387310732',
+    tipo: 'libro',
+    disponible: true,
+  },
+  {
+    id: 'lib-4',
+    titulo: 'Deep Learning with Python',
+    autor: 'François Chollet',
+    editorial: 'Manning Publications',
+    anio: 2021,
+    isbn: '978-1617296864',
+    tipo: 'libro',
+    disponible: false,
+  },
+  {
+    id: 'lib-5',
+    titulo: 'Neural Networks and Deep Learning: A Textbook',
+    autor: 'Charu C. Aggarwal',
+    editorial: 'Springer',
+    anio: 2023,
+    isbn: '978-3031296413',
+    tipo: 'libro',
+    disponible: true,
+  },
+  {
+    id: 'lib-6',
+    titulo: 'Machine Learning: A Probabilistic Perspective',
+    autor: 'Kevin Murphy',
+    editorial: 'MIT Press',
+    anio: 2012,
+    isbn: '978-0262018029',
+    tipo: 'libro',
+    disponible: true,
+  },
+];
diff --git a/src/types/materia.ts b/src/types/materia.ts
new file mode 100644
index 0000000..464f38e
--- /dev/null
+++ b/src/types/materia.ts
@@ -0,0 +1,119 @@
+export type MateriaTab = 
+  | 'datos-generales' 
+  | 'contenido-tematico' 
+  | 'bibliografia' 
+  | 'ia-materia' 
+  | 'documento-sep' 
+  | 'historial';
+
+export interface Materia {
+  id: string;
+  nombre: string;
+  clave: string;
+  creditos?: number;
+  lineaCurricular?: string;
+  ciclo?: string;
+  planId: string;
+  planNombre: string;
+  carrera: string;
+  facultad: string;
+  estructuraId: string;
+}
+
+export interface CampoEstructura {
+  id: string;
+  nombre: string;
+  tipo: 'texto' | 'texto_largo' | 'lista' | 'numero';
+  obligatorio: boolean;
+  descripcion?: string;
+  placeholder?: string;
+}
+
+export interface MateriaStructure {
+  id: string;
+  nombre: string;
+  campos: CampoEstructura[];
+}
+
+export interface Tema {
+  id: string;
+  nombre: string;
+  descripcion?: string;
+  horasEstimadas?: number;
+}
+
+export interface UnidadTematica {
+  id: string;
+  nombre: string;
+  numero: number;
+  temas: Tema[];
+}
+
+export interface BibliografiaEntry {
+  id: string;
+  tipo: 'BASICA' | 'COMPLEMENTARIA';
+  cita: string;
+  fuenteBibliotecaId?: string;
+  fuenteBiblioteca?: LibraryResource;
+}
+
+export interface LibraryResource {
+  id: string;
+  titulo: string;
+  autor: string;
+  editorial?: string;
+  anio?: number;
+  isbn?: string;
+  tipo: 'libro' | 'articulo' | 'revista' | 'recurso_digital';
+  disponible: boolean;
+}
+
+export interface IAMessage {
+  id: string;
+  role: 'user' | 'assistant';
+  content: string;
+  timestamp: Date;
+  campoAfectado?: string;
+  sugerencia?: IASugerencia;
+}
+
+export interface IASugerencia {
+  campoId: string;
+  campoNombre: string;
+  valorActual: string;
+  valorSugerido: string;
+  aceptada?: boolean;
+}
+
+export interface CambioMateria {
+  id: string;
+  tipo: 'datos' | 'contenido' | 'bibliografia' | 'ia' | 'documento';
+  descripcion: string;
+  usuario: string;
+  fecha: Date;
+  detalles?: Record<string, any>;
+}
+
+export interface DocumentoMateria {
+  id: string;
+  materiaId: string;
+  version: number;
+  fechaGeneracion: Date;
+  url?: string;
+  estado: 'generando' | 'listo' | 'error';
+}
+
+export interface MateriaDetailState {
+  materia: Materia | null;
+  estructura: MateriaStructure | null;
+  datosGenerales: Record<string, any>;
+  contenidoTematico: UnidadTematica[];
+  bibliografia: BibliografiaEntry[];
+  iaMessages: IAMessage[];
+  documentoSep: DocumentoMateria | null;
+  historial: CambioMateria[];
+  activeTab: MateriaTab;
+  isSaving: boolean;
+  isLoading: boolean;
+  errorMessage: string | null;
+}