diff --git a/src/components/asignaturas/detalle/BibliographyItem.tsx b/src/components/asignaturas/detalle/BibliographyItem.tsx
index a6c4b37..1580fb4 100644
--- a/src/components/asignaturas/detalle/BibliographyItem.tsx
+++ b/src/components/asignaturas/detalle/BibliographyItem.tsx
@@ -169,7 +169,7 @@ export function BibliographyItem() {
                 resetScroll: false,
               })
             }
-            className="ring-offset-background bg-primary text-primary-foreground hover:bg-primary/90 inline-flex h-11 items-center justify-center gap-2 rounded-md px-8 text-sm font-medium shadow-md transition-colors"
+            className="shadow-md"
           >
             <Plus className="mr-2 h-4 w-4" /> Agregar Bibliografía
           </Button>
diff --git a/src/components/asignaturas/detalle/DocumentoSEPTab.tsx b/src/components/asignaturas/detalle/DocumentoSEPTab.tsx
index 1e6e160..7b558b3 100644
--- a/src/components/asignaturas/detalle/DocumentoSEPTab.tsx
+++ b/src/components/asignaturas/detalle/DocumentoSEPTab.tsx
@@ -94,11 +94,7 @@ export function DocumentoSEPTab({
 
           {pdfUrl && !isLoading && (
             <>
-              <Button
-                size="sm"
-                className="gap-2 bg-teal-700 hover:bg-teal-800"
-                onClick={onDownloadWord}
-              >
+              <Button size="sm" className="gap-2" onClick={onDownloadWord}>
                 <Download className="h-4 w-4" /> Descargar Word
               </Button>
               <Button
diff --git a/src/components/asignaturas/detalle/IAAsignaturaTab.tsx b/src/components/asignaturas/detalle/IAAsignaturaTab.tsx
index 1e274d5..4d083d4 100644
--- a/src/components/asignaturas/detalle/IAAsignaturaTab.tsx
+++ b/src/components/asignaturas/detalle/IAAsignaturaTab.tsx
@@ -15,7 +15,7 @@ import {
   Archive,
   History,
   Edit2,
-  Loader2, // Agregado
+  Loader2,
 } from 'lucide-react'
 import { useState, useEffect, useRef, useMemo } from 'react'
 
@@ -62,6 +62,7 @@ export function IAAsignaturaTab() {
     from: '/planes/$planId/asignaturas/$asignaturaId',
   })
   const location = useLocation()
+
   // --- ESTADOS ---
   const [activeChatId, setActiveChatId] = useState<string | undefined>(
     undefined,
@@ -109,7 +110,6 @@ export function IAAsignaturaTab() {
 
     setIsSending(true)
     try {
-      // 1. Consolidar el Patch
       const patchData: any = {
         datos: { ...datosGenerales.datos },
       }
@@ -124,13 +124,11 @@ export function IAAsignaturaTab() {
         }
       }
 
-      // 2. Actualización única de la asignatura
       await updateAsignatura.mutateAsync({
         asignaturaId: asignaturaId as any,
         patch: patchData,
       })
 
-      // 3. Marcar recomendaciones una por una (Secuencialmente para evitar colisiones)
       for (const sug of sugerencias) {
         await updateRecommendation.mutateAsync({
           mensajeId: sug.messageId,
@@ -138,14 +136,12 @@ export function IAAsignaturaTab() {
         })
       }
 
-      // 4. Limpieza de estados
       const appliedKeys = sugerencias.map((s) => s.campoKey)
       setSelectedFields((prev) =>
         prev.filter((f) => !appliedKeys.includes(f.key)),
       )
       setSelectedImprovements([])
 
-      // Forzar actualización visual
       queryClient.invalidateQueries({ queryKey: ['subject', asignaturaId] })
     } catch (error) {
       console.error('Error en aplicación masiva:', error)
@@ -153,6 +149,7 @@ export function IAAsignaturaTab() {
       setIsSending(false)
     }
   }
+
   const toggleImprovementSelection = (sugId: string) => {
     setSelectedImprovements((prev) =>
       prev.includes(sugId)
@@ -176,7 +173,6 @@ export function IAAsignaturaTab() {
     }
   }
 
-  // Cálculo del total para el Badge del botón
   const totalReferencias =
     selectedArchivoIds.length +
     selectedRepositorioIds.length +
@@ -186,14 +182,12 @@ export function IAAsignaturaTab() {
     if (isSending) return true
     if (!rawMessages || rawMessages.length === 0) return false
 
-    // Verificamos si el último mensaje está en estado de procesamiento
     const lastMessage = rawMessages[rawMessages.length - 1]
     return (
       lastMessage.estado === 'PROCESANDO' || lastMessage.estado === 'PENDIENTE'
     )
   }, [isSending, rawMessages])
 
-  // --- AUTO-SCROLL ---
   useEffect(() => {
     const viewport = scrollRef.current?.querySelector(
       '[data-radix-scroll-area-viewport]',
@@ -203,7 +197,6 @@ export function IAAsignaturaTab() {
     }
   }, [rawMessages, isSending])
 
-  // --- FILTRADO DE CHATS ---
   const { activeChats, archivedChats } = useMemo(() => {
     const chats = todasConversaciones || []
     return {
@@ -213,7 +206,6 @@ export function IAAsignaturaTab() {
   }, [todasConversaciones])
 
   const availableFields = useMemo(() => {
-    // 1. Obtenemos los campos dinámicos de la DB
     const dynamicFields = datosGenerales?.datos
       ? Object.keys(datosGenerales.datos).map((key) => {
           const estructuraProps =
@@ -228,13 +220,8 @@ export function IAAsignaturaTab() {
         })
       : []
 
-    // 2. Definimos tus campos manuales (hardcoded)
     const hardcodedFields = [
-      {
-        key: 'contenido_tematico',
-        label: 'Contenido temático',
-        value: '', // Puedes dejarlo vacío o buscarlo en datosGenerales si existiera
-      },
+      { key: 'contenido_tematico', label: 'Contenido temático', value: '' },
       {
         key: 'criterios_de_evaluacion',
         label: 'Criterios de evaluación',
@@ -242,7 +229,6 @@ export function IAAsignaturaTab() {
       },
     ]
 
-    // 3. Unimos ambos, filtrando duplicados por si acaso el backend ya los envía
     const combined = [...dynamicFields]
 
     hardcodedFields.forEach((hf) => {
@@ -254,18 +240,13 @@ export function IAAsignaturaTab() {
     return combined
   }, [datosGenerales])
 
-  // --- PROCESAMIENTO DE MENSAJES ---
-  // --- PROCESAMIENTO DE MENSAJES ---
   const messages = useMemo(() => {
     const msgs: Array<any> = []
 
-    // 1. Mensajes existentes de la DB
     if (rawMessages) {
       rawMessages.forEach((m) => {
-        // Mensaje del usuario
         msgs.push({ id: `${m.id}-user`, role: 'user', content: m.mensaje })
 
-        // Respuesta de la IA (si existe)
         if (m.respuesta) {
           const sugerencias =
             m.propuesta?.recommendations?.map((rec: any, index: number) => ({
@@ -287,21 +268,14 @@ export function IAAsignaturaTab() {
       })
     }
 
-    // 2. INYECCIÓN OPTIMISTA: Si estamos enviando, mostramos el texto actual del input como mensaje de usuario
     if (isSending && input.trim()) {
-      msgs.push({
-        id: 'optimistic-user-msg',
-        role: 'user',
-        content: input,
-      })
+      msgs.push({ id: 'optimistic-user-msg', role: 'user', content: input })
     }
 
     return msgs
   }, [rawMessages, isSending, input])
 
-  // Auto-selección inicial
   useEffect(() => {
-    // Si ya hay un chat, o si el usuario ya interactuó (hasInitialSelected), abortamos.
     if (activeChatId || hasInitialSelected.current) return
 
     if (activeChats.length > 0 && !loadingConv) {
@@ -312,16 +286,14 @@ export function IAAsignaturaTab() {
 
   const handleInputChange = (e: React.ChangeEvent<HTMLTextAreaElement>) => {
     const value = e.target.value
-    const selectionStart = e.target.selectionStart // Posición del cursor
+    const selectionStart = e.target.selectionStart
     setInput(value)
 
-    // Buscamos si el carácter anterior al cursor es ':'
     const lastChar = value.slice(selectionStart - 1, selectionStart)
 
     if (lastChar === ':') {
       setShowSuggestions(true)
     } else if (!value.includes(':')) {
-      // Si borran todos los dos puntos, cerramos
       setShowSuggestions(false)
     }
   }
@@ -329,17 +301,11 @@ export function IAAsignaturaTab() {
   const filteredFields = useMemo(() => {
     if (!showSuggestions || !input) return availableFields
 
-    // 1. Encontrar el ":" más cercano a la IZQUIERDA del cursor
-    // Usamos una posición de referencia (si no tienes ref, usaremos el final del string,
-    // pero para mayor precisión lo ideal es usar e.target.selectionStart en el onChange)
-
     const lastColonIndex = input.lastIndexOf(':')
     if (lastColonIndex === -1) return availableFields
 
-    // 2. Extraer solo el fragmento de "búsqueda"
-    // Cortamos desde el ":" hasta el final, y luego tomamos solo la primera palabra
     const textAfterColon = input.slice(lastColonIndex + 1)
-    const query = textAfterColon.split(/\s/)[0].toLowerCase() // Se detiene al encontrar un espacio
+    const query = textAfterColon.split(/\s/)[0].toLowerCase()
 
     if (!query) return availableFields
 
@@ -353,28 +319,21 @@ export function IAAsignaturaTab() {
   useEffect(() => {
     const state = location.state as any
 
-    // Verificamos si existe el timestamp (_ts) para saber que es una acción nueva
     if (state?.activeTab === 'ia' && state?._ts) {
-      // Si el campo no está ya seleccionado, lo agregamos
       if (state.prefillCampo) {
         const fieldToSelect = availableFields.find(
           (f) => f.key === state.prefillCampo,
         )
 
         if (fieldToSelect) {
-          setSelectedFields([fieldToSelect]) // Reemplaza o añade según prefieras
-
-          // Generamos un prompt inicial automático
+          setSelectedFields([fieldToSelect])
           const autoPrompt = `Mejora el contenido de: ${fieldToSelect.label}`
           setInput(autoPrompt)
-
-          // Opcional: Si quieres que dispare la IA inmediatamente al llegar:
-          // handleSend(autoPrompt)
         }
       }
     }
   }, [location.state, availableFields])
-  // 2. Efecto para cerrar con ESC
+
   useEffect(() => {
     const handleKeyDown = (e: KeyboardEvent) => {
       if (e.key === 'Escape') setShowSuggestions(false)
@@ -383,7 +342,6 @@ export function IAAsignaturaTab() {
     return () => window.removeEventListener('keydown', handleKeyDown)
   }, [])
 
-  // 3. Función para insertar el campo y limpiar el prompt
   const handleSelectField = (field: SelectedField) => {
     if (!selectedFields.find((f) => f.key === field.key)) {
       setSelectedFields((prev) => [...prev, field])
@@ -392,16 +350,11 @@ export function IAAsignaturaTab() {
     const lastColonIndex = input.lastIndexOf(':')
     if (lastColonIndex !== -1) {
       const parteAntesDelColon = input.slice(0, lastColonIndex)
-
-      // Buscamos si hay texto después de la palabra que estamos escribiendo
       const textoDespuesDelColon = input.slice(lastColonIndex + 1)
       const espacioIndex = textoDespuesDelColon.indexOf(' ')
-
-      // Si hay un espacio, guardamos lo que sigue. Si no, es el final del texto.
       const parteRestante =
         espacioIndex !== -1 ? textoDespuesDelColon.slice(espacioIndex) : ''
 
-      // Reconstruimos: [Antes] + [Label] + [Lo que ya estaba después]
       const nuevoTexto = `${parteAntesDelColon}${field.label}${parteRestante}`
       setInput(nuevoTexto)
     }
@@ -423,21 +376,17 @@ export function IAAsignaturaTab() {
     setIsSending(true)
     try {
       const response = await sendMessage({
-        subjectId: asignaturaId as any, // Importante: se usa para crear la conv si activeChatId es undefined
+        subjectId: asignaturaId as any,
         content: text,
         campos: selectedFields.map((f) => f.key),
-        conversacionId: activeChatId, // Si es undefined, la mutación crea el chat automáticamente
+        conversacionId: activeChatId,
       })
 
-      // IMPORTANTE: Después de la respuesta, actualizamos el ID activo con el que creó el backend
       if (response.conversacionId) {
         setActiveChatId(response.conversacionId)
       }
 
       setInput('')
-      // setSelectedFields([])
-
-      // Invalidamos la lista de conversaciones para que el nuevo chat aparezca en el historial (panel izquierdo)
       queryClient.invalidateQueries({
         queryKey: ['conversation-by-subject', asignaturaId],
       })
@@ -457,10 +406,9 @@ export function IAAsignaturaTab() {
   }
 
   const createNewChat = () => {
-    setActiveChatId(undefined) // Al ser undefined, el próximo mensaje creará la charla en el backend
+    setActiveChatId(undefined)
     setInput('')
     setSelectedFields([])
-    // Opcional: podrías forzar el foco al textarea aquí con una ref
   }
 
   const PRESETS = [
@@ -485,19 +433,19 @@ export function IAAsignaturaTab() {
   ]
 
   return (
-    <div className="flex h-full w-full overflow-hidden bg-white">
-      <div className="fixed top-0 z-40 flex w-full items-center justify-between border-b bg-white/80 p-2 backdrop-blur-md">
+    <div className="bg-background flex h-full w-full overflow-hidden">
+      <div className="bg-background/80 fixed top-0 z-40 flex w-full items-center justify-between border-b p-2 backdrop-blur-md">
         <Button
           variant="ghost"
           size="sm"
-          className="text-slate-600"
+          className="text-muted-foreground"
           onClick={() => setIsSidebarOpen(true)}
         >
           <History size={18} className="mr-2" /> Historial
         </Button>
 
         <div className="flex flex-col items-center">
-          <span className="text-[9px] font-bold tracking-wider text-teal-600 uppercase">
+          <span className="text-primary text-[9px] font-bold tracking-wider uppercase">
             Asistente
           </span>
         </div>
@@ -505,16 +453,17 @@ export function IAAsignaturaTab() {
         <Button
           variant="ghost"
           size="sm"
-          className="text-slate-600"
-          onClick={() => setOpenIA(true)} // O el drawer de acciones/referencias
+          className="text-muted-foreground"
+          onClick={() => setOpenIA(true)}
         >
-          <FileText size={18} className="mr-2 text-teal-600" /> Referencias
+          <FileText size={18} className="text-primary mr-2" /> Referencias
         </Button>
       </div>
+
       {/* 1. PANEL IZQUIERDO (HISTORIAL) - Desktop */}
-      <aside className="hidden h-full w-64 shrink-0 flex-col border-r bg-white pr-4 md:flex">
+      <aside className="bg-background hidden h-full w-64 shrink-0 flex-col border-r pr-4 md:flex">
         <div className="mb-4 flex items-center justify-between px-2 pt-4">
-          <h2 className="flex items-center gap-2 text-xs font-bold text-slate-500 uppercase">
+          <h2 className="text-muted-foreground flex items-center gap-2 text-xs font-bold uppercase">
             <History size={14} /> Historial
           </h2>
           <Button
@@ -522,7 +471,7 @@ export function IAAsignaturaTab() {
             size="icon"
             className={cn(
               'h-8 w-8',
-              showArchived && 'bg-teal-50 text-teal-600',
+              showArchived && 'bg-accent text-accent-foreground',
             )}
             onClick={() => setShowArchived(!showArchived)}
           >
@@ -539,7 +488,7 @@ export function IAAsignaturaTab() {
             queryClient.setQueryData(['subject-messages', undefined], [])
           }}
           variant="outline"
-          className="mb-4 w-full justify-start gap-2 border-dashed border-slate-300 text-slate-600 hover:border-teal-500 hover:bg-teal-50/50"
+          className="border-border text-muted-foreground hover:border-primary hover:bg-primary/10 mb-4 w-full justify-start gap-2 border-dashed"
         >
           <MessageSquarePlus size={18} /> Nuevo Chat
         </Button>
@@ -550,11 +499,10 @@ export function IAAsignaturaTab() {
               <div
                 key={chat.id}
                 className={cn(
-                  // Agregamos 'overflow-hidden' para que nada salga de este cuadro
                   'group relative flex w-full min-w-0 items-center justify-between gap-2 overflow-hidden rounded-lg px-3 py-2 text-sm transition-all',
                   activeChatId === chat.id
-                    ? 'bg-teal-50 text-teal-900'
-                    : 'text-slate-600 hover:bg-slate-100',
+                    ? 'bg-accent text-foreground font-medium'
+                    : 'text-muted-foreground hover:bg-muted',
                 )}
                 onDoubleClick={() => {
                   setEditingId(chat.id)
@@ -565,7 +513,7 @@ export function IAAsignaturaTab() {
                   <div className="flex min-w-0 flex-1 items-center">
                     <input
                       autoFocus
-                      className="w-full rounded border-none bg-white px-1 text-xs ring-1 ring-teal-400 outline-none"
+                      className="bg-background ring-primary w-full rounded border-none px-1 text-xs ring-1 outline-none"
                       value={tempName}
                       onChange={(e) => setTempName(e.target.value)}
                       onBlur={() => handleSaveName(chat.id)}
@@ -577,7 +525,6 @@ export function IAAsignaturaTab() {
                   </div>
                 ) : (
                   <>
-                    {/* CLAVE 2: 'truncate' y 'min-w-0' en el span para que ceda ante los botones */}
                     <span
                       onClick={() => setActiveChatId(chat.id)}
                       className="block max-w-[140px] min-w-0 flex-1 cursor-pointer truncate pr-1"
@@ -586,13 +533,12 @@ export function IAAsignaturaTab() {
                       {chat.nombre || chat.titulo || 'Conversación'}
                     </span>
 
-                    {/* CLAVE 3: 'shrink-0' asegura que los botones NUNCA desaparezcan */}
                     <div
                       className={cn(
                         'z-10 flex shrink-0 items-center gap-0.5 opacity-0 transition-opacity group-hover:opacity-100',
                         activeChatId === chat.id
-                          ? 'bg-teal-50'
-                          : 'bg-slate-100',
+                          ? 'bg-accent'
+                          : 'bg-transparent',
                       )}
                     >
                       <TooltipProvider delayDuration={300}>
@@ -604,7 +550,7 @@ export function IAAsignaturaTab() {
                                 setEditingId(chat.id)
                                 setTempName(chat.nombre || chat.titulo || '')
                               }}
-                              className="rounded-md p-1 transition-colors hover:bg-slate-200 hover:text-teal-600"
+                              className="hover:bg-muted hover:text-primary rounded-md p-1 transition-colors"
                             >
                               <Edit2 size={14} />
                             </button>
@@ -629,10 +575,10 @@ export function IAAsignaturaTab() {
                                 })
                               }}
                               className={cn(
-                                'rounded-md p-1 transition-colors hover:bg-slate-200',
+                                'hover:bg-muted rounded-md p-1 transition-colors',
                                 chat.estado === 'ACTIVA'
-                                  ? 'hover:text-red-500'
-                                  : 'hover:text-teal-600',
+                                  ? 'hover:text-destructive'
+                                  : 'hover:text-primary',
                               )}
                             >
                               {chat.estado === 'ACTIVA' ? (
@@ -658,16 +604,16 @@ export function IAAsignaturaTab() {
         </ScrollArea>
       </aside>
 
-      {/* 2. PANEL CENTRAL (CHAT) - EL RECUADRO ESTILIZADO */}
+      {/* 2. PANEL CENTRAL (CHAT) */}
       <main
         className={cn(
-          'relative flex min-w-0 flex-1 flex-col overflow-hidden bg-slate-50/50 shadow-sm',
-          'mt-[50px] h-[calc(100svh-50px)]', // 50px es la altura aproximada de tu header fixed
-          'md:m-2 md:mt-0 md:h-[calc(100vh-160px)] md:rounded-xl md:border md:border-slate-200',
+          'bg-muted/30 relative flex min-w-0 flex-1 flex-col overflow-hidden shadow-sm',
+          'mt-[50px] h-[calc(100svh-50px)]',
+          'md:border-border md:m-2 md:mt-0 md:h-[calc(100vh-160px)] md:rounded-xl md:border',
         )}
       >
-        {/* Header Interno del Recuadro */}
-        <div className="flex shrink-0 items-center justify-between border-b bg-white p-3">
+        {/* Header Interno */}
+        <div className="bg-background flex shrink-0 items-center justify-between border-b p-3">
           <div className="flex items-center gap-2">
             <Button
               variant="ghost"
@@ -675,13 +621,13 @@ export function IAAsignaturaTab() {
               className="md:hidden"
               onClick={() => setIsSidebarOpen(true)}
             >
-              <History size={20} className="text-slate-500" />
+              <History size={20} className="text-muted-foreground" />
             </Button>
             <div className="flex flex-col">
-              <span className="text-[10px] font-bold tracking-wider text-teal-600 uppercase">
+              <span className="text-primary text-[10px] font-bold tracking-wider uppercase">
                 Asistente Académico
               </span>
-              <span className="text-[11px] text-slate-400">
+              <span className="text-muted-foreground text-[11px]">
                 Personalizado para tu asignatura
               </span>
             </div>
@@ -690,12 +636,12 @@ export function IAAsignaturaTab() {
           <div className="flex gap-2">
             <button
               onClick={() => setOpenIA(true)}
-              className="flex items-center gap-2 rounded-lg bg-slate-100 px-3 py-1.5 text-xs font-medium text-slate-600 transition-colors hover:bg-slate-200"
+              className="bg-secondary text-secondary-foreground hover:bg-secondary/80 flex items-center gap-2 rounded-lg px-3 py-1.5 text-xs font-medium transition-colors"
             >
               <FileText size={14} />
               <span className="xs:inline hidden">Referencias</span>
               {totalReferencias > 0 && (
-                <span className="flex h-4 min-w-[16px] items-center justify-center rounded-full bg-teal-600 px-1 text-[10px] text-white">
+                <span className="bg-primary text-primary-foreground flex h-4 min-w-[16px] items-center justify-center rounded-full px-1 text-[10px]">
                   {totalReferencias}
                 </span>
               )}
@@ -719,8 +665,8 @@ export function IAAsignaturaTab() {
                     className={cn(
                       'h-9 w-9 shrink-0 border shadow-sm',
                       msg.role === 'assistant'
-                        ? 'bg-teal-600 text-white'
-                        : 'bg-slate-100',
+                        ? 'bg-primary text-primary-foreground'
+                        : 'bg-muted text-muted-foreground',
                     )}
                   >
                     <AvatarFallback>
@@ -742,11 +688,10 @@ export function IAAsignaturaTab() {
                       className={cn(
                         'relative overflow-hidden rounded-2xl border shadow-sm',
                         msg.role === 'user'
-                          ? 'rounded-tr-none border-teal-700 bg-teal-600 px-4 py-3 text-white'
-                          : 'w-full rounded-tl-none border-slate-200 bg-white text-slate-800',
+                          ? 'border-primary bg-primary text-primary-foreground rounded-tr-none px-4 py-3'
+                          : 'bg-card text-card-foreground border-border w-full rounded-tl-none',
                       )}
                     >
-                      {/* Texto del mensaje principal */}
                       <div
                         style={{ whiteSpace: 'pre-line' }}
                         className={cn(
@@ -757,27 +702,27 @@ export function IAAsignaturaTab() {
                         {msg.content}
                       </div>
 
-                      {/* CONTENEDOR DE SUGERENCIAS INTEGRADO */}
                       {msg.role === 'assistant' &&
                         msg.sugerencias?.length > 0 && (
-                          <div className="space-y-3 border-t bg-slate-50/50 p-3">
+                          <div className="border-border bg-muted/50 space-y-3 border-t p-3">
                             <div className="flex items-center justify-between">
-                              <p className="text-[10px] font-bold text-slate-400 uppercase">
+                              <p className="text-muted-foreground text-[10px] font-bold uppercase">
                                 Mejoras disponibles
                               </p>
 
-                              {/* Solo mostramos "Seleccionar todo" si hay sugerencias pendientes en ESTE mensaje */}
-                              {msg.sugerencias.some((s) => !s.aceptada) && (
+                              {msg.sugerencias.some(
+                                (s: any) => !s.aceptada,
+                              ) && (
                                 <Button
                                   variant="ghost"
-                                  className="h-6 text-[10px] text-teal-600 hover:bg-teal-100"
+                                  className="text-primary hover:bg-primary/10 h-6 text-[10px]"
                                   onClick={() =>
                                     toggleAllFromMessage(msg.sugerencias)
                                   }
                                 >
                                   {msg.sugerencias
-                                    .filter((s) => !s.aceptada)
-                                    .every((s) =>
+                                    .filter((s: any) => !s.aceptada)
+                                    .every((s: any) =>
                                       selectedImprovements.includes(s.id),
                                     )
                                     ? 'Desmarcar todas'
@@ -791,7 +736,7 @@ export function IAAsignaturaTab() {
                                 {!sug.aceptada && (
                                   <input
                                     type="checkbox"
-                                    className="mt-4 h-4 w-4 rounded border-slate-300 accent-teal-600"
+                                    className="border-input accent-primary mt-4 h-4 w-4 rounded"
                                     checked={selectedImprovements.includes(
                                       sug.id,
                                     )}
@@ -814,17 +759,16 @@ export function IAAsignaturaTab() {
                               </div>
                             ))}
 
-                            {/* EL BOTÓN DE APLICAR: Lo movemos para que solo aparezca si hay algo seleccionado de ESTE mensaje */}
-                            {msg.sugerencias.some((s) =>
+                            {msg.sugerencias.some((s: any) =>
                               selectedImprovements.includes(s.id),
                             ) && (
                               <Button
                                 size="sm"
                                 disabled={isSending}
-                                className="w-full bg-teal-600 text-xs font-bold shadow-md hover:bg-teal-700"
+                                className="w-full text-xs font-bold shadow-md"
                                 onClick={() => {
                                   const seleccionadasDeEsteMensaje =
-                                    msg.sugerencias.filter((s) =>
+                                    msg.sugerencias.filter((s: any) =>
                                       selectedImprovements.includes(s.id),
                                     )
                                   handleApplyMultiple(
@@ -851,139 +795,137 @@ export function IAAsignaturaTab() {
               ))}
               {isAiThinking && (
                 <div className="animate-in fade-in slide-in-from-bottom-2 flex gap-4">
-                  <Avatar className="h-9 w-9 shrink-0 border bg-teal-600 text-white shadow-sm">
+                  <Avatar className="bg-primary text-primary-foreground h-9 w-9 shrink-0 border shadow-sm">
                     <AvatarFallback>
                       <Sparkles size={16} className="animate-pulse" />
                     </AvatarFallback>
                   </Avatar>
                   <div className="flex flex-col items-start gap-2">
-                    <div className="rounded-2xl rounded-tl-none border border-slate-200 bg-white p-4 shadow-sm">
+                    <div className="bg-card border-border rounded-2xl rounded-tl-none border p-4 shadow-sm">
                       <div className="flex gap-1">
-                        <span className="h-1.5 w-1.5 animate-bounce rounded-full bg-slate-400 [animation-delay:-0.3s]"></span>
-                        <span className="h-1.5 w-1.5 animate-bounce rounded-full bg-slate-400 [animation-delay:-0.15s]"></span>
-                        <span className="h-1.5 w-1.5 animate-bounce rounded-full bg-slate-400"></span>
+                        <span className="bg-muted-foreground/50 h-1.5 w-1.5 animate-bounce rounded-full [animation-delay:-0.3s]"></span>
+                        <span className="bg-muted-foreground/50 h-1.5 w-1.5 animate-bounce rounded-full [animation-delay:-0.15s]"></span>
+                        <span className="bg-muted-foreground/50 h-1.5 w-1.5 animate-bounce rounded-full"></span>
                       </div>
                     </div>
-                    <span className="text-[10px] font-medium text-slate-400 italic">
+                    <span className="text-muted-foreground text-[10px] font-medium italic">
                       La IA está analizando tu solicitud...
                     </span>
                   </div>
                 </div>
               )}
-              {/* Espacio extra al final para que el scroll no tape el último mensaje */}
               <div className="h-4" />
             </div>
           </ScrollArea>
         </div>
 
         {/* Input de Chat */}
-        <footer className="shrink-0 border-t bg-white p-3 md:p-4">
-          <div className="shrink-0 border-t bg-white p-2 md:p-4">
-            <div className="relative mx-auto max-w-4xl">
-              {showSuggestions && (
-                <div className="animate-in fade-in slide-in-from-bottom-2 absolute bottom-full left-0 z-50 mb-2 w-72 overflow-hidden rounded-xl border bg-white shadow-2xl">
-                  <div className="flex justify-between border-b bg-slate-50 px-3 py-2 text-[10px] font-bold text-slate-500 uppercase">
-                    <span>Filtrando campos...</span>
-                    <span className="rounded bg-slate-200 px-1 text-[9px] text-slate-400">
-                      ESC para cerrar
-                    </span>
-                  </div>
-                  <div className="max-h-60 overflow-y-auto p-1">
-                    {filteredFields.length > 0 ? (
-                      filteredFields.map((field) => (
-                        <button
-                          key={field.key}
-                          onClick={() => handleSelectField(field)}
-                          className="flex w-full items-center justify-between rounded-lg px-3 py-2 text-left text-sm transition-colors hover:bg-teal-50"
-                        >
-                          <div className="flex flex-col">
-                            <span className="font-medium text-slate-700">
-                              {field.label}
-                            </span>
-                          </div>
-                          {selectedFields.find((f) => f.key === field.key) && (
-                            <Check size={14} className="text-teal-600" />
-                          )}
-                        </button>
-                      ))
-                    ) : (
-                      <div className="p-4 text-center text-xs text-slate-400 italic">
-                        No se encontraron coincidencias
-                      </div>
-                    )}
-                  </div>
+        <footer className="bg-background border-t p-3 md:p-4">
+          <div className="relative mx-auto max-w-4xl">
+            {showSuggestions && (
+              <div className="animate-in fade-in slide-in-from-bottom-2 bg-popover border-border absolute bottom-full left-0 z-50 mb-2 w-72 overflow-hidden rounded-xl border shadow-2xl">
+                <div className="bg-muted text-muted-foreground flex justify-between border-b px-3 py-2 text-[10px] font-bold uppercase">
+                  <span>Filtrando campos...</span>
+                  <span className="bg-muted-foreground/20 text-muted-foreground rounded px-1 text-[9px]">
+                    ESC para cerrar
+                  </span>
+                </div>
+                <div className="max-h-60 overflow-y-auto p-1">
+                  {filteredFields.length > 0 ? (
+                    filteredFields.map((field) => (
+                      <button
+                        key={field.key}
+                        onClick={() => handleSelectField(field)}
+                        className="hover:bg-accent flex w-full items-center justify-between rounded-lg px-3 py-2 text-left text-sm transition-colors"
+                      >
+                        <div className="flex flex-col">
+                          <span className="text-foreground font-medium">
+                            {field.label}
+                          </span>
+                        </div>
+                        {selectedFields.find((f) => f.key === field.key) && (
+                          <Check size={14} className="text-primary" />
+                        )}
+                      </button>
+                    ))
+                  ) : (
+                    <div className="text-muted-foreground p-4 text-center text-xs italic">
+                      No se encontraron coincidencias
+                    </div>
+                  )}
+                </div>
+              </div>
+            )}
+
+            <div className="bg-muted/50 focus-within:bg-background focus-within:ring-primary flex flex-col gap-2 rounded-xl border p-2 transition-all focus-within:ring-1">
+              {selectedFields.length > 0 && (
+                <div className="flex flex-wrap gap-1.5 px-2 pt-1">
+                  {selectedFields.map((field) => (
+                    <div
+                      key={field.key}
+                      className="animate-in zoom-in-95 border-primary/20 bg-primary/10 text-primary flex items-center gap-1 rounded-md border px-2 py-0.5 text-[11px] font-bold shadow-sm"
+                    >
+                      <Target size={10} />
+                      {field.label}
+                      <button
+                        onClick={() => toggleField(field)}
+                        className="hover:bg-primary/20 ml-1 rounded-full p-0.5 transition-colors"
+                      >
+                        <X size={10} />
+                      </button>
+                    </div>
+                  ))}
                 </div>
               )}
 
-              <div className="flex flex-col gap-2 rounded-xl border bg-slate-50 p-2 transition-all focus-within:bg-white focus-within:ring-1 focus-within:ring-teal-500">
-                {selectedFields.length > 0 && (
-                  <div className="flex flex-wrap gap-1.5 px-2 pt-1">
-                    {selectedFields.map((field) => (
-                      <div
-                        key={field.key}
-                        className="animate-in zoom-in-95 flex items-center gap-1 rounded-md border border-teal-200 bg-teal-50 px-2 py-0.5 text-[11px] font-bold text-teal-700 shadow-sm"
-                      >
-                        <Target size={10} />
-                        {field.label}
-                        <button
-                          onClick={() => toggleField(field)}
-                          className="ml-1 rounded-full p-0.5 transition-colors hover:bg-teal-200/50"
-                        >
-                          <X size={10} />
-                        </button>
-                      </div>
-                    ))}
-                  </div>
-                )}
+              <div className="flex items-end gap-2">
+                <Textarea
+                  value={input}
+                  onChange={(e) => {
+                    const val = e.target.value
+                    const cursor = e.target.selectionStart
+                    setInput(val)
 
-                <div className="flex items-end gap-2">
-                  <Textarea
-                    value={input}
-                    onChange={(e) => {
-                      const val = e.target.value
-                      const cursor = e.target.selectionStart
-                      setInput(val)
+                    const textBeforeCursor = val.slice(0, cursor)
+                    const lastColonIndex = textBeforeCursor.lastIndexOf(':')
 
-                      const textBeforeCursor = val.slice(0, cursor)
-                      const lastColonIndex = textBeforeCursor.lastIndexOf(':')
+                    if (lastColonIndex !== -1) {
+                      const textSinceColon = textBeforeCursor.slice(
+                        lastColonIndex + 1,
+                      )
 
-                      if (lastColonIndex !== -1) {
-                        const textSinceColon = textBeforeCursor.slice(
-                          lastColonIndex + 1,
-                        )
-
-                        // Si hay un espacio después del ":", cerramos sugerencias (ya no es un comando)
-                        // Si no hay espacio, activamos
-                        if (!textSinceColon.includes(' ')) {
-                          setShowSuggestions(true)
-                        } else {
-                          setShowSuggestions(false)
-                        }
+                      if (!textSinceColon.includes(' ')) {
+                        setShowSuggestions(true)
                       } else {
                         setShowSuggestions(false)
                       }
-                    }}
-                    onKeyDown={(e) => {
-                      if (e.key === 'Enter' && !e.shiftKey) {
-                        e.preventDefault()
-                        handleSend()
-                      }
-                    }}
-                    placeholder='Escribe ":" para referenciar un campo...'
-                    className="max-h-[120px] min-h-[40px] flex-1 resize-none border-none bg-transparent text-sm shadow-none focus-visible:ring-0"
-                  />
-                  <Button
-                    onClick={() => handleSend()}
-                    disabled={
-                      (!input.trim() && selectedFields.length === 0) ||
-                      isSending
+                    } else {
+                      setShowSuggestions(false)
                     }
-                    size="icon"
-                    className="h-9 w-9 bg-teal-600 hover:bg-teal-700"
-                  >
-                    <Send size={16} className="text-white" />
-                  </Button>
-                </div>
+                  }}
+                  onKeyDown={(e) => {
+                    if (e.key === 'Enter' && !e.shiftKey) {
+                      e.preventDefault()
+                      handleSend()
+                    }
+                  }}
+                  placeholder='Escribe ":" para referenciar un campo...'
+                  className="max-h-[120px] min-h-[40px] flex-1 resize-none border-none bg-transparent text-sm shadow-none focus-visible:ring-0"
+                />
+                <Button
+                  onClick={() => handleSend()}
+                  disabled={
+                    (!input.trim() && selectedFields.length === 0) || isSending
+                  }
+                  size="icon"
+                  className="mb-1 h-9 w-9 shrink-0"
+                >
+                  {isSending ? (
+                    <Loader2 className="animate-spin" size={16} />
+                  ) : (
+                    <Send size={16} />
+                  )}
+                </Button>
               </div>
             </div>
           </div>
@@ -992,20 +934,20 @@ export function IAAsignaturaTab() {
 
       {/* 3. PANEL DERECHO (ATAJOS) */}
       <aside className="hidden w-64 shrink-0 flex-col gap-4 overflow-y-auto p-4 lg:flex">
-        <h4 className="flex items-center gap-2 text-sm font-bold text-slate-800">
-          <Lightbulb size={18} className="text-orange-500" /> Atajos Rápidos
+        <h4 className="text-foreground flex items-center gap-2 text-sm font-bold">
+          <Lightbulb size={18} className="text-primary" /> Atajos Rápidos
         </h4>
         <div className="space-y-2">
           {PRESETS.map((preset) => (
             <button
               key={preset.id}
               onClick={() => handleSend(preset.prompt)}
-              className="group flex w-full items-center gap-3 rounded-xl border border-slate-100 bg-white p-3 text-left text-sm transition-all hover:border-teal-500 hover:shadow-sm"
+              className="bg-card border-border hover:border-primary group flex w-full items-center gap-3 rounded-xl border p-3 text-left text-sm transition-all hover:shadow-sm"
             >
-              <div className="rounded-lg bg-slate-50 p-2 group-hover:bg-teal-50 group-hover:text-teal-600">
+              <div className="bg-muted group-hover:bg-primary/10 group-hover:text-primary rounded-lg p-2 transition-colors">
                 <preset.icon size={16} />
               </div>
-              <span className="font-medium text-slate-600 group-hover:text-slate-900">
+              <span className="text-muted-foreground group-hover:text-foreground font-medium">
                 {preset.label}
               </span>
             </button>
@@ -1015,14 +957,14 @@ export function IAAsignaturaTab() {
 
       {/* DRAWERS (Referencias e Historial Móvil) */}
       <Drawer open={openIA} onOpenChange={setOpenIA}>
-        <DrawerContent className="fixed inset-x-0 bottom-0 mx-auto mb-4 flex h-[80vh] w-full max-w-2xl flex-col overflow-hidden rounded-2xl border bg-white shadow-2xl">
-          <div className="flex items-center justify-between border-b bg-slate-50/50 px-4 py-3">
-            <h2 className="text-xs font-bold tracking-wider text-slate-500 uppercase">
+        <DrawerContent className="bg-background fixed inset-x-0 bottom-0 mx-auto mb-4 flex h-[80vh] w-full max-w-2xl flex-col overflow-hidden rounded-2xl border shadow-2xl">
+          <div className="bg-muted/50 border-border flex items-center justify-between border-b px-4 py-3">
+            <h2 className="text-muted-foreground text-xs font-bold tracking-wider uppercase">
               Referencias para la IA
             </h2>
             <button
               onClick={() => setOpenIA(false)}
-              className="text-slate-400 hover:text-slate-600"
+              className="text-muted-foreground hover:text-foreground transition-colors"
             >
               <X size={18} />
             </button>
@@ -1051,10 +993,9 @@ export function IAAsignaturaTab() {
 
       <Drawer open={isSidebarOpen} onOpenChange={setIsSidebarOpen}>
         <DrawerPortal>
-          <DrawerOverlay className="fixed inset-0 bg-black/40" />
+          <DrawerOverlay />
           <DrawerContent className="fixed right-0 bottom-0 left-0 h-[70vh] p-4 outline-none">
             <div className="flex h-full flex-col overflow-hidden pt-8">
-              {/* Reutiliza aquí el componente de la lista de chats */}
               <Button
                 onClick={() => {
                   setActiveChatId(undefined)
@@ -1062,10 +1003,10 @@ export function IAAsignaturaTab() {
                   setInput('')
                   setSelectedFields([])
                   queryClient.setQueryData(['subject-messages', undefined], [])
-                  setIsSidebarOpen(false) // Cierra el drawer al crear nuevo
+                  setIsSidebarOpen(false)
                 }}
                 variant="outline"
-                className="mb-6 w-full justify-center gap-2 border-dashed border-teal-500 bg-teal-50/50 text-teal-700 hover:bg-teal-100"
+                className="border-primary/50 bg-primary/10 text-primary hover:bg-primary/20 mb-6 w-full justify-center gap-2 border-dashed"
               >
                 <MessageSquarePlus size={18} /> Nuevo Chat
               </Button>
@@ -1074,11 +1015,10 @@ export function IAAsignaturaTab() {
                 <div
                   key={chat.id}
                   className={cn(
-                    // Agregamos 'overflow-hidden' para que nada salga de este cuadro
                     'group relative flex w-full min-w-0 items-center justify-between gap-2 overflow-hidden rounded-lg px-3 py-2 text-sm transition-all',
                     activeChatId === chat.id
-                      ? 'bg-teal-50 text-teal-900'
-                      : 'text-slate-600 hover:bg-slate-100',
+                      ? 'bg-accent text-accent-foreground font-medium'
+                      : 'text-muted-foreground hover:bg-muted',
                   )}
                   onDoubleClick={() => {
                     setEditingId(chat.id)
@@ -1089,7 +1029,7 @@ export function IAAsignaturaTab() {
                     <div className="flex min-w-0 flex-1 items-center">
                       <input
                         autoFocus
-                        className="w-full rounded border-none bg-white px-1 text-xs ring-1 ring-teal-400 outline-none"
+                        className="bg-background ring-primary w-full rounded border-none px-1 text-xs ring-1 outline-none"
                         value={tempName}
                         onChange={(e) => setTempName(e.target.value)}
                         onBlur={() => handleSaveName(chat.id)}
@@ -1101,7 +1041,6 @@ export function IAAsignaturaTab() {
                     </div>
                   ) : (
                     <>
-                      {/* CLAVE 2: 'truncate' y 'min-w-0' en el span para que ceda ante los botones */}
                       <span
                         onClick={() => setActiveChatId(chat.id)}
                         className="block max-w-[140px] min-w-0 flex-1 cursor-pointer truncate pr-1"
@@ -1110,13 +1049,12 @@ export function IAAsignaturaTab() {
                         {chat.nombre || chat.titulo || 'Conversación'}
                       </span>
 
-                      {/* CLAVE 3: 'shrink-0' asegura que los botones NUNCA desaparezcan */}
                       <div
                         className={cn(
                           'z-10 flex shrink-0 items-center gap-0.5 opacity-0 transition-opacity group-hover:opacity-100',
                           activeChatId === chat.id
-                            ? 'bg-teal-50'
-                            : 'bg-slate-100',
+                            ? 'bg-accent'
+                            : 'bg-transparent',
                         )}
                       >
                         <TooltipProvider delayDuration={300}>
@@ -1128,7 +1066,7 @@ export function IAAsignaturaTab() {
                                   setEditingId(chat.id)
                                   setTempName(chat.nombre || chat.titulo || '')
                                 }}
-                                className="rounded-md p-1 transition-colors hover:bg-slate-200 hover:text-teal-600"
+                                className="hover:bg-muted hover:text-primary rounded-md p-1 transition-colors"
                               >
                                 <Edit2 size={14} />
                               </button>
@@ -1153,10 +1091,10 @@ export function IAAsignaturaTab() {
                                   })
                                 }}
                                 className={cn(
-                                  'rounded-md p-1 transition-colors hover:bg-slate-200',
+                                  'hover:bg-muted rounded-md p-1 transition-colors',
                                   chat.estado === 'ACTIVA'
-                                    ? 'hover:text-red-500'
-                                    : 'hover:text-teal-600',
+                                    ? 'hover:text-destructive'
+                                    : 'hover:text-primary',
                                 )}
                               >
                                 {chat.estado === 'ACTIVA' ? (
diff --git a/src/components/asignaturas/detalle/SaveAsignatura/ImprovementCardProps.tsx b/src/components/asignaturas/detalle/SaveAsignatura/ImprovementCardProps.tsx
index 6dab5eb..d93d3c0 100644
--- a/src/components/asignaturas/detalle/SaveAsignatura/ImprovementCardProps.tsx
+++ b/src/components/asignaturas/detalle/SaveAsignatura/ImprovementCardProps.tsx
@@ -88,19 +88,19 @@ export function ImprovementCard({
           {valor.map((u: any, idx: number) => (
             <div
               key={idx}
-              className="rounded-md border border-teal-100 bg-white p-2 shadow-sm"
+              className="bg-card border-primary/20 rounded-md border p-2 shadow-sm"
             >
-              <div className="mb-1 flex items-center gap-2 border-b border-slate-50 pb-1 text-[11px] font-bold text-teal-800">
+              <div className="border-border/50 text-primary mb-1 flex items-center gap-2 border-b pb-1 text-[11px] font-bold">
                 <BookOpen size={12} /> Unidad {u.unidad}: {u.titulo}
               </div>
               <ul className="space-y-1">
                 {u.temas?.map((t: any, tidx: number) => (
                   <li
                     key={tidx}
-                    className="flex items-start justify-between gap-2 text-[10px] text-slate-600"
+                    className="text-muted-foreground flex items-start justify-between gap-2 text-[10px]"
                   >
                     <span className="leading-tight">• {t.nombre}</span>
-                    <span className="flex shrink-0 items-center gap-0.5 font-mono text-slate-400">
+                    <span className="text-muted-foreground/70 flex shrink-0 items-center gap-0.5 font-mono">
                       <Clock size={10} /> {t.horasEstimadas}h
                     </span>
                   </li>
@@ -116,24 +116,24 @@ export function ImprovementCard({
     if (valor[0]?.hasOwnProperty('criterio')) {
       return (
         <div className="space-y-2">
-          <div className="mb-1 flex items-center gap-2 text-[10px] font-bold text-slate-400 uppercase">
+          <div className="text-muted-foreground/70 mb-1 flex items-center gap-2 text-[10px] font-bold uppercase">
             <ListChecks size={12} /> Desglose de evaluación
           </div>
           {valor.map((c: any, idx: number) => (
             <div
               key={idx}
-              className="flex items-center justify-between gap-3 rounded-md border border-slate-100 bg-white p-2 shadow-sm"
+              className="bg-card border-border flex items-center justify-between gap-3 rounded-md border p-2 shadow-sm"
             >
-              <span className="text-[11px] leading-tight text-slate-700">
+              <span className="text-foreground text-[11px] leading-tight">
                 {c.criterio}
               </span>
-              <div className="flex shrink-0 items-center gap-1 rounded-full border border-orange-100 bg-orange-50 px-2 py-0.5 text-[10px] font-bold text-orange-600">
+              <div className="border-accent/30 bg-accent/10 text-accent flex shrink-0 items-center gap-1 rounded-full border px-2 py-0.5 text-[10px] font-bold">
                 {c.porcentaje}%
               </div>
             </div>
           ))}
           {/* Opcional: Suma total para verificar que de 100% */}
-          <div className="pt-1 text-right text-[9px] font-medium text-slate-400">
+          <div className="text-muted-foreground/70 pt-1 text-right text-[9px] font-medium">
             Total:{' '}
             {valor.reduce(
               (acc: number, curr: any) => acc + (curr.porcentaje || 0),
@@ -156,17 +156,17 @@ export function ImprovementCard({
   // --- ESTADO APLICADO ---
   if (sug.aceptada) {
     return (
-      <div className="flex flex-col rounded-xl border border-slate-100 bg-white p-3 opacity-80 shadow-sm">
+      <div className="bg-card border-border flex flex-col rounded-xl border p-3 opacity-80 shadow-sm">
         <div className="mb-3 flex items-center justify-between gap-4">
-          <span className="text-sm font-bold text-slate-800">
+          <span className="text-foreground text-sm font-bold">
             {sug.campoNombre}
           </span>
-          <div className="flex items-center gap-1.5 rounded-full border border-slate-100 bg-slate-50 px-3 py-1 text-xs font-medium text-slate-400">
+          <div className="border-border bg-muted/50 text-muted-foreground flex items-center gap-1.5 rounded-full border px-3 py-1 text-xs font-medium">
             <Check size={14} />
             Aplicado
           </div>
         </div>
-        <div className="rounded-lg border border-teal-100 bg-teal-50/30 p-3 text-xs leading-relaxed text-slate-500">
+        <div className="border-primary/20 bg-primary/5 text-muted-foreground rounded-lg border p-3 text-xs leading-relaxed">
           {renderContenido(sug.valorSugerido)}
         </div>
       </div>
@@ -175,16 +175,16 @@ export function ImprovementCard({
 
   // --- ESTADO PENDIENTE ---
   return (
-    <div className="group flex flex-col rounded-xl border border-teal-100 bg-white p-3 shadow-sm transition-all hover:border-teal-200">
+    <div className="bg-card border-primary/20 hover:border-primary/40 group flex flex-col rounded-xl border p-3 shadow-sm transition-all">
       <div className="mb-3 flex items-center justify-between gap-4">
-        <span className="max-w-[150px] truncate rounded-lg border border-teal-100 bg-teal-50/50 px-2.5 py-1 text-[10px] font-bold tracking-wider text-teal-700 uppercase">
+        <span className="border-primary/20 bg-primary/10 text-primary max-w-[150px] truncate rounded-lg border px-2.5 py-1 text-[10px] font-bold tracking-wider uppercase">
           {sug.campoNombre}
         </span>
 
         <Button
           size="sm"
           disabled={isApplying || !asignatura}
-          className="h-8 w-auto bg-teal-600 px-4 text-xs font-semibold shadow-sm hover:bg-teal-700"
+          className="h-8 w-auto px-4 text-xs font-semibold shadow-sm"
           onClick={handleApply}
         >
           {isApplying ? (
@@ -198,7 +198,7 @@ export function ImprovementCard({
 
       <div
         className={cn(
-          'rounded-lg border border-dashed border-slate-200 bg-slate-50/50 p-3 text-xs leading-relaxed text-slate-600',
+          'border-border/60 bg-muted/30 text-muted-foreground rounded-lg border border-dashed p-3 text-xs leading-relaxed',
           !Array.isArray(sug.valorSugerido) && 'line-clamp-4 italic',
         )}
       >
diff --git a/src/components/planes/detalle/Ia/ImprovementCard.tsx b/src/components/planes/detalle/Ia/ImprovementCard.tsx
index 64cdc29..fe7d00e 100644
--- a/src/components/planes/detalle/Ia/ImprovementCard.tsx
+++ b/src/components/planes/detalle/Ia/ImprovementCard.tsx
@@ -56,10 +56,9 @@ export const ImprovementCard = ({
 
           if (onApplySuccess) onApplySuccess(key)
 
-          // --- CAMBIO AQUÍ: Ahora enviamos el ID del mensaje ---
           if (dbMessageId) {
             updateAppliedStatus.mutate({
-              conversacionId: dbMessageId, // Cambiamos el nombre de la propiedad si es necesario
+              conversacionId: dbMessageId,
               campoAfectado: key,
             })
           }
@@ -81,21 +80,18 @@ export const ImprovementCard = ({
         return (
           <div
             key={sug.key}
-            className={`rounded-2xl border bg-white p-5 shadow-sm transition-all ${
-              isApplied ? 'border-teal-200 bg-teal-50/20' : 'border-slate-100'
+            className={`bg-card rounded-2xl border p-5 shadow-sm transition-all ${
+              isApplied ? 'border-primary/30 bg-primary/5' : 'border-border'
             }`}
           >
             <div className="mb-4 flex items-center justify-between">
-              <h3 className="text-sm font-bold text-slate-900">{sug.label}</h3>
+              <h3 className="text-foreground text-sm font-bold">{sug.label}</h3>
               <Button
                 size="sm"
                 onClick={() => handleApply(sug.key, sug.newValue)}
                 disabled={isApplied || !!isUpdating}
-                className={`h-8 rounded-full px-4 text-xs transition-all ${
-                  isApplied
-                    ? 'cursor-not-allowed bg-slate-100 text-slate-400'
-                    : 'bg-[#00a189] text-white hover:bg-[#008f7a]'
-                }`}
+                variant={isApplied ? 'secondary' : 'default'}
+                className="h-8 rounded-full px-4 text-xs transition-all"
               >
                 {isUpdating ? (
                   <Loader2 size={12} className="animate-spin" />
@@ -112,8 +108,8 @@ export const ImprovementCard = ({
             <div
               className={`rounded-xl border p-3 text-sm transition-colors duration-300 ${
                 isApplied
-                  ? 'border-teal-100 bg-teal-50/50 text-slate-700'
-                  : 'border-slate-200 bg-slate-50 text-slate-500'
+                  ? 'border-primary/20 bg-primary/10 text-foreground'
+                  : 'border-border bg-muted/50 text-muted-foreground'
               }`}
             >
               {sug.newValue}
diff --git a/src/routes/planes/$planId/_detalle.tsx b/src/routes/planes/$planId/_detalle.tsx
index 511a87f..2c10f06 100644
--- a/src/routes/planes/$planId/_detalle.tsx
+++ b/src/routes/planes/$planId/_detalle.tsx
@@ -114,13 +114,13 @@ function RouteComponent() {
     }
   }
   return (
-    <div className="min-h-screen bg-white">
+    <div className="bg-background min-h-screen">
       {/* 1. Header Superior */}
-      <div className="sticky top-0 z-20 border-b bg-white/50 shadow-sm backdrop-blur-sm">
+      <div className="bg-background/80 sticky top-0 z-20 border-b shadow-sm backdrop-blur-sm">
         <div className="px-6 py-2">
           <Link
             to="/planes"
-            className="flex w-fit items-center gap-1 text-xs text-gray-500 transition-colors hover:text-gray-800"
+            className="text-muted-foreground hover:text-foreground flex w-fit items-center gap-1 text-xs transition-colors"
           >
             <ChevronLeft size={14} /> Volver a planes
           </Link>
@@ -139,7 +139,7 @@ function RouteComponent() {
         ) : (
           <div className="flex flex-col items-start justify-between gap-4 md:flex-row">
             <div>
-              <h1 className="flex flex-wrap items-baseline gap-2 text-3xl leading-tight font-bold tracking-tight text-slate-900">
+              <h1 className="text-foreground flex flex-wrap items-baseline gap-2 text-3xl leading-tight font-bold tracking-tight">
                 {/* El prefijo "Nivel en" lo mantenemos simple */}
                 <span className="shrink-0">{nivelPlan} en</span>
                 <span
@@ -149,7 +149,7 @@ function RouteComponent() {
                   suppressContentEditableWarning
                   spellCheck={false}
                   onKeyDown={handleKeyDown}
-                  onPaste={handlePaste} // Añadido para controlar lo que pegan
+                  onPaste={handlePaste}
                   onBlur={(e) => {
                     const nuevoNombre =
                       e.currentTarget.textContent?.trim() || ''
@@ -158,21 +158,20 @@ function RouteComponent() {
                       mutate({ planId, patch: { nombre: nuevoNombre } })
                     }
                   }}
-                  // Clases añadidas: break-words y whitespace-pre-wrap para el wrap
-                  className="block w-full cursor-text border-b border-transparent break-words whitespace-pre-wrap transition-colors outline-none select-text hover:border-slate-300 focus:border-teal-500 sm:inline-block sm:w-auto"
+                  className="hover:border-input focus:border-primary block w-full cursor-text border-b border-transparent break-words whitespace-pre-wrap transition-colors outline-none select-text sm:inline-block sm:w-auto"
                   style={{ textDecoration: 'none' }}
                 >
                   {nombrePlan}
                 </span>
               </h1>
-              <p className="mt-1 text-lg font-medium text-slate-500">
+              <p className="text-muted-foreground mt-1 text-lg font-medium">
                 {data?.carreras?.facultades?.nombre}{' '}
                 {data?.carreras?.nombre_corto}
               </p>
             </div>
 
             <div className="flex gap-2">
-              <Badge className="gap-1 border-teal-200 bg-teal-50 px-3 text-teal-700 hover:bg-teal-100">
+              <Badge className="border-primary/20 bg-primary/10 text-primary hover:bg-primary/20 gap-1 px-3">
                 {data?.estados_plan?.etiqueta}
               </Badge>
             </div>
@@ -184,7 +183,7 @@ function RouteComponent() {
           <DropdownMenu>
             <DropdownMenuTrigger asChild>
               <InfoCard
-                icon={<GraduationCap className="text-slate-400" />}
+                icon={<GraduationCap className="text-muted-foreground" />}
                 label="Nivel"
                 value={nivelPlan}
                 isEditable
@@ -209,17 +208,17 @@ function RouteComponent() {
           </DropdownMenu>
 
           <InfoCard
-            icon={<Clock className="text-slate-400" />}
+            icon={<Clock className="text-muted-foreground" />}
             label="Duración"
             value={`${data?.numero_ciclos || 0} Ciclos`}
           />
           <InfoCard
-            icon={<Hash className="text-slate-400" />}
+            icon={<Hash className="text-muted-foreground" />}
             label="Créditos"
             value="320"
           />
           <InfoCard
-            icon={<CalendarDays className="text-slate-400" />}
+            icon={<CalendarDays className="text-muted-foreground" />}
             label="Creación"
             value={data?.creado_en?.split('T')[0]}
           />
@@ -276,20 +275,20 @@ const InfoCard = forwardRef<
     <div
       ref={ref}
       {...props}
-      className={`flex h-18 w-full items-center gap-4 rounded-xl border border-slate-200/60 bg-slate-50/50 p-4 shadow-sm transition-all ${
+      className={`border-border/60 bg-muted/30 flex h-18 w-full items-center gap-4 rounded-xl border p-4 shadow-sm transition-all ${
         isEditable
-          ? 'cursor-pointer hover:border-teal-200 hover:bg-white focus:outline-none focus-visible:ring-2 focus-visible:ring-teal-500/40'
+          ? 'hover:border-primary/50 hover:bg-accent focus-visible:ring-primary/40 cursor-pointer focus:outline-none focus-visible:ring-2'
           : ''
       } ${className ?? ''}`}
     >
-      <div className="flex h-10 w-10 shrink-0 items-center justify-center rounded-lg border bg-white shadow-sm">
+      <div className="bg-background flex h-10 w-10 shrink-0 items-center justify-center rounded-lg border shadow-sm">
         {icon}
       </div>
       <div className="min-w-0 flex-1">
-        <p className="mb-0.5 truncate text-[10px] font-bold tracking-wider text-slate-400 uppercase">
+        <p className="text-muted-foreground mb-0.5 truncate text-[10px] font-bold tracking-wider uppercase">
           {label}
         </p>
-        <p className="truncate text-sm font-semibold text-slate-700">
+        <p className="text-foreground truncate text-sm font-semibold">
           {value || '---'}
         </p>
       </div>
@@ -311,8 +310,8 @@ function Tab({
     <Link
       to={to}
       params={params}
-      className="border-b-2 border-transparent pb-3 text-sm font-medium text-slate-500 transition-all hover:text-slate-800"
-      activeProps={{ className: 'border-teal-600 text-teal-700 font-bold' }}
+      className="text-muted-foreground hover:text-foreground border-b-2 border-transparent pb-3 text-sm font-medium transition-all"
+      activeProps={{ className: 'border-primary text-primary font-bold' }}
       activeOptions={{
         exact: true,
       }}
@@ -324,7 +323,7 @@ function Tab({
 
 function DatosGeneralesSkeleton() {
   return (
-    <div className="rounded-xl border bg-white">
+    <div className="bg-card rounded-xl border">
       {/* Header */}
       <div className="flex items-center justify-between border-b px-5 py-3">
         <Skeleton className="h-4 w-40" />
diff --git a/src/routes/planes/$planId/_detalle/asignaturas.tsx b/src/routes/planes/$planId/_detalle/asignaturas.tsx
index cd0ef8a..2c9735c 100644
--- a/src/routes/planes/$planId/_detalle/asignaturas.tsx
+++ b/src/routes/planes/$planId/_detalle/asignaturas.tsx
@@ -152,7 +152,7 @@ function AsignaturasPage() {
                 resetScroll: false,
               })
             }}
-            className="ring-offset-background bg-primary text-primary-foreground hover:bg-primary/90 inline-flex h-11 items-center justify-center gap-2 rounded-md px-8 text-sm font-medium shadow-md transition-colors"
+            className="shadow-md"
           >
             <Plus className="mr-2 h-4 w-4" /> Nueva Asignatura
           </Button>
diff --git a/src/routes/planes/$planId/_detalle/documento.tsx b/src/routes/planes/$planId/_detalle/documento.tsx
index 2e1cd47..fd740ba 100644
--- a/src/routes/planes/$planId/_detalle/documento.tsx
+++ b/src/routes/planes/$planId/_detalle/documento.tsx
@@ -122,11 +122,7 @@ function RouteComponent() {
           >
             <RefreshCcw size={16} /> Regenerar
           </Button>
-          <Button
-            size="sm"
-            className="gap-2 bg-teal-700 hover:bg-teal-800"
-            onClick={handleDownloadWord}
-          >
+          <Button size="sm" className="gap-2" onClick={handleDownloadWord}>
             <Download size={16} /> Descargar Word
           </Button>
           <Button
diff --git a/src/routes/planes/$planId/_detalle/flujo.tsx b/src/routes/planes/$planId/_detalle/flujo.tsx
index 61d6272..dae4431 100644
--- a/src/routes/planes/$planId/_detalle/flujo.tsx
+++ b/src/routes/planes/$planId/_detalle/flujo.tsx
@@ -146,7 +146,7 @@ function RouteComponent() {
                 />
               </div>
 
-              <Button className="w-full bg-teal-600 hover:bg-teal-700" disabled>
+              <Button className="w-full" disabled>
                 Avanzar a Revisión Expertos
               </Button>
             </CardContent>
diff --git a/src/routes/planes/$planId/_detalle/historial.tsx b/src/routes/planes/$planId/_detalle/historial.tsx
index 345b8c6..c172cff 100644
--- a/src/routes/planes/$planId/_detalle/historial.tsx
+++ b/src/routes/planes/$planId/_detalle/historial.tsx
@@ -37,24 +37,24 @@ const getEventConfig = (tipo: string, campo: string) => {
     return {
       label: 'Creación',
       icon: <PlusCircle className="h-4 w-4" />,
-      color: 'teal',
+      color: 'primary',
     }
   if (campo === 'estado')
     return {
       label: 'Cambio de estado',
       icon: <GitBranch className="h-4 w-4" />,
-      color: 'blue',
+      color: 'secondary',
     }
   if (campo === 'datos')
     return {
       label: 'Edición de Datos',
       icon: <Edit3 className="h-4 w-4" />,
-      color: 'amber',
+      color: 'accent',
     }
   return {
     label: 'Actualización',
     icon: <RefreshCw className="h-4 w-4" />,
-    color: 'slate',
+    color: 'muted',
   }
 }
 
@@ -104,7 +104,7 @@ function RouteComponent() {
         },
       }
     })
-  }, [rawData])
+  }, [rawData, structure, data])
 
   const openCompareModal = (event: any) => {
     setSelectedEvent(event)
@@ -120,7 +120,7 @@ function RouteComponent() {
   if (isLoading)
     return (
       <div className="flex h-64 items-center justify-center">
-        <Loader2 className="h-8 w-8 animate-spin text-teal-600" />
+        <Loader2 className="text-primary h-8 w-8 animate-spin" />
       </div>
     )
 
@@ -128,8 +128,8 @@ function RouteComponent() {
     <div className="mx-auto">
       <div className="mb-8 flex items-end justify-between">
         <div>
-          <h1 className="flex items-center gap-2 text-xl font-bold text-slate-800">
-            <Clock className="h-5 w-5 text-teal-600" /> Historial de Cambios del
+          <h1 className="text-foreground flex items-center gap-2 text-xl font-bold">
+            <Clock className="text-primary h-5 w-5" /> Historial de Cambios del
             Plan
           </h1>
           <p className="text-muted-foreground text-sm">
@@ -139,9 +139,11 @@ function RouteComponent() {
       </div>
 
       <div className="relative space-y-0">
-        <div className="absolute top-0 bottom-0 left-6 w-px bg-slate-200 md:left-9" />
+        <div className="bg-border absolute top-0 bottom-0 left-6 w-px md:left-9" />
         {historyEvents.length === 0 ? (
-          <div className="ml-20 py-10 text-slate-500">No hay registros.</div>
+          <div className="text-muted-foreground ml-20 py-10">
+            No hay registros.
+          </div>
         ) : (
           historyEvents.map((event) => (
             <div
@@ -149,18 +151,18 @@ function RouteComponent() {
               className="group relative flex gap-3 pb-8 md:gap-6"
             >
               <div className="relative z-10 flex flex-col items-center">
-                <div className="flex h-[42px] w-[42px] items-center justify-center rounded-full border-4 border-white bg-slate-100 text-slate-600 shadow-sm transition-colors group-hover:bg-teal-50 group-hover:text-teal-600">
+                <div className="border-background bg-muted text-muted-foreground group-hover:bg-primary/10 group-hover:text-primary flex h-[42px] w-[42px] items-center justify-center rounded-full border-4 shadow-sm transition-colors">
                   {event.icon}
                 </div>
               </div>
 
-              <Card className="flex-1 border-slate-200 shadow-none transition-colors hover:border-teal-200">
+              <Card className="border-border hover:border-primary/50 flex-1 shadow-none transition-colors">
                 <CardContent className="p-4">
                   <div className="flex flex-col gap-2">
                     {/* LÍNEA SUPERIOR: Título a la izquierda --- Usuario, Botón y Fecha a la derecha */}
                     <div className="flex flex-col justify-between gap-2 md:flex-row md:items-center">
                       <div className="flex flex-wrap items-center gap-2">
-                        <span className="text-sm font-bold text-slate-800">
+                        <span className="text-foreground text-sm font-bold">
                           {event.type}
                         </span>
                         <Badge
@@ -175,7 +177,7 @@ function RouteComponent() {
                       </div>
 
                       {/* Grupo de elementos alineados a la derecha */}
-                      <div className="flex flex-wrap items-center gap-3 text-slate-500 md:gap-4">
+                      <div className="text-muted-foreground flex flex-wrap items-center gap-3 md:gap-4">
                         {/* Usuario e Icono */}
                         <div className="flex items-center gap-1.5 text-xs">
                           <User className="h-3.5 w-3.5" />
@@ -187,14 +189,14 @@ function RouteComponent() {
                         {/* Botón Ver Cambios */}
                         <button
                           onClick={() => openCompareModal(event)}
-                          className="group/btn flex items-center gap-1.5 text-xs font-medium text-teal-600 md:text-slate-500 md:hover:text-teal-600"
+                          className="text-primary md:text-muted-foreground md:hover:text-primary group/btn flex items-center gap-1.5 text-xs font-medium"
                         >
-                          <Eye className="h-4 w-4 text-slate-400 group-hover/btn:text-teal-600" />
+                          <Eye className="text-muted-foreground/70 group-hover/btn:text-primary h-4 w-4" />
                           <span>Ver cambios</span>
                         </button>
 
                         {/* Fecha exacta (Solo visible en desktop para no amontonar) */}
-                        <span className="hidden text-[11px] text-slate-400 lg:block">
+                        <span className="text-muted-foreground/70 hidden text-[11px] lg:block">
                           {format(event.date, 'yyyy-MM-dd HH:mm')}
                         </span>
                       </div>
@@ -202,7 +204,7 @@ function RouteComponent() {
 
                     {/* LÍNEA INFERIOR: Descripción */}
                     <div className="mt-1">
-                      <p className="text-sm text-slate-600">
+                      <p className="text-muted-foreground text-sm">
                         {event.description}
                       </p>
 
@@ -213,16 +215,16 @@ function RouteComponent() {
                           <div className="mt-2 flex items-center gap-1.5">
                             <Badge
                               variant="secondary"
-                              className="bg-red-50 px-1.5 text-[9px] text-red-700"
+                              className="bg-destructive/10 text-destructive px-1.5 text-[9px]"
                             >
                               {event.details.from}
                             </Badge>
-                            <span className="text-[10px] text-slate-400">
+                            <span className="text-muted-foreground/70 text-[10px]">
                               →
                             </span>
                             <Badge
                               variant="secondary"
-                              className="bg-emerald-50 px-1.5 text-[9px] text-emerald-700"
+                              className="bg-primary/10 text-primary px-1.5 text-[9px]"
                             >
                               {event.details.to}
                             </Badge>
@@ -237,7 +239,7 @@ function RouteComponent() {
         )}
         {historyEvents.length > 0 && (
           <div className="mt-10 ml-12 flex flex-col gap-3 border-t pt-4 md:ml-20 md:flex-row md:items-center md:justify-between">
-            <p className="text-xs text-slate-500">
+            <p className="text-muted-foreground text-xs">
               Mostrando {rawData.length} de {totalRecords} cambios
             </p>
 
@@ -255,7 +257,7 @@ function RouteComponent() {
                 Anterior
               </Button>
 
-              <span className="text-sm font-medium text-slate-700">
+              <span className="text-foreground text-sm font-medium">
                 Página {page + 1} de {totalPages || 1}
               </span>
 
@@ -266,7 +268,6 @@ function RouteComponent() {
                   setPage((p) => p + 1)
                   window.scrollTo(0, 0)
                 }}
-                // Ahora se deshabilita si llegamos a la última página real
                 disabled={page + 1 >= totalPages || isLoading}
               >
                 Siguiente
@@ -280,9 +281,9 @@ function RouteComponent() {
       {/* MODAL DE COMPARACIÓN CON SCROLL INTERNO */}
       <Dialog open={isModalOpen} onOpenChange={setIsModalOpen}>
         <DialogContent className="flex max-h-[90vh] max-w-4xl flex-col gap-0 overflow-hidden p-0">
-          <DialogHeader className="border-b bg-slate-50/50 p-6">
+          <DialogHeader className="bg-muted/50 border-b p-6">
             <DialogTitle className="flex items-center gap-2">
-              <History className="h-5 w-5 text-teal-600" /> Comparación de
+              <History className="text-primary h-5 w-5" /> Comparación de
               Versiones
             </DialogTitle>
             <div className="text-muted-foreground flex items-center gap-4 pt-2 text-xs">
@@ -301,17 +302,16 @@ function RouteComponent() {
 
           <div className="flex-1 overflow-y-auto p-6">
             <div className="grid h-full grid-cols-2 gap-6">
-              {/* Lado Antes */}
               {/* Lado Antes: Solo se renderiza si existe valor_anterior */}
               {selectedEvent?.details.from && (
                 <div className="flex flex-col space-y-2">
-                  <div className="sticky top-0 z-10 flex items-center gap-2 bg-white py-1">
-                    <div className="h-2 w-2 rounded-full bg-red-400" />
+                  <div className="bg-background sticky top-0 z-10 flex items-center gap-2 py-1">
+                    <div className="bg-destructive h-2 w-2 rounded-full" />
                     <span className="text-muted-foreground text-[10px] font-bold tracking-widest uppercase">
                       Versión Anterior
                     </span>
                   </div>
-                  <div className="max-h-[500px] min-h-[250px] flex-1 overflow-y-auto rounded-lg border border-red-100 bg-red-50/30 p-4 font-mono text-xs leading-relaxed whitespace-pre-wrap text-slate-700">
+                  <div className="border-destructive/20 bg-destructive/5 text-foreground max-h-[500px] min-h-[250px] flex-1 overflow-y-auto rounded-lg border p-4 font-mono text-xs leading-relaxed whitespace-pre-wrap">
                     {renderValue(selectedEvent.details.from)}
                   </div>
                 </div>
@@ -319,27 +319,22 @@ function RouteComponent() {
 
               {/* Lado Después */}
               <div className="flex flex-col space-y-2">
-                <div className="sticky top-0 z-10 flex items-center gap-2 bg-white py-1">
-                  <div className="h-2 w-2 rounded-full bg-emerald-400" />
+                <div className="bg-background sticky top-0 z-10 flex items-center gap-2 py-1">
+                  <div className="bg-primary h-2 w-2 rounded-full" />
                   <span className="text-muted-foreground text-[10px] font-bold tracking-widest uppercase">
                     Nueva Versión
                   </span>
                 </div>
-                <div className="max-h-[500px] min-h-[250px] flex-1 overflow-y-auto rounded-lg border border-emerald-100 bg-emerald-50/30 p-4 font-mono text-xs leading-relaxed whitespace-pre-wrap text-slate-700">
+                <div className="border-primary/20 bg-primary/5 text-foreground max-h-[500px] min-h-[250px] flex-1 overflow-y-auto rounded-lg border p-4 font-mono text-xs leading-relaxed whitespace-pre-wrap">
                   {renderValue(selectedEvent?.details.to)}
                 </div>
               </div>
             </div>
           </div>
 
-          <div className="flex justify-center border-t bg-slate-50 p-4">
+          <div className="bg-muted/30 flex justify-center border-t p-4">
             <Badge variant="outline" className="font-mono text-[10px]">
               Campo: {selectedEvent?.campo}
-              {console.log(
-                data?.estructuras_plan?.definicion?.properties?.[
-                  selectedEvent?.campo
-                ]?.title,
-              )}
             </Badge>
           </div>
         </DialogContent>
diff --git a/src/routes/planes/$planId/_detalle/iaplan.tsx b/src/routes/planes/$planId/_detalle/iaplan.tsx
index ffaee91..201318c 100644
--- a/src/routes/planes/$planId/_detalle/iaplan.tsx
+++ b/src/routes/planes/$planId/_detalle/iaplan.tsx
@@ -115,7 +115,7 @@ function RouteComponent() {
   const { data: lastConversation, isLoading: isLoadingConv } =
     useConversationByPlan(planId)
   const { data: mensajesDelChat, isLoading: isLoadingMessages } =
-    useMessagesByChat(activeChatId ?? null) // Si es undefined, pasa null
+    useMessagesByChat(activeChatId ?? null)
   const [selectedArchivoIds, setSelectedArchivoIds] = useState<Array<string>>(
     [],
   )
@@ -155,8 +155,7 @@ function RouteComponent() {
     const definicion = data?.estructuras_plan
       ?.definicion as EstructuraDefinicion
 
-    // Encadenamiento opcional para evitar errores si data es null
-    if (!definicion.properties) return []
+    if (!definicion?.properties) return []
 
     return Object.entries(definicion.properties).map(([key, value]) => ({
       key,
@@ -169,28 +168,24 @@ function RouteComponent() {
     return availableFields.filter(
       (field) =>
         field.label.toLowerCase().includes(filterQuery.toLowerCase()) &&
-        !selectedFields.some((s) => s.key === field.key), // No mostrar ya seleccionados
+        !selectedFields.some((s) => s.key === field.key),
     )
   }, [availableFields, filterQuery, selectedFields])
 
   const chatMessages = useMemo(() => {
     if (!activeChatId || !mensajesDelChat) return []
 
-    // flatMap nos permite devolver 2 elementos (pregunta y respuesta) por cada registro de la BD
     return mensajesDelChat.flatMap((msg: any) => {
       const messages = []
 
-      // 1. Mensaje del Usuario
       messages.push({
         id: `${msg.id}-user`,
         role: 'user',
         content: msg.mensaje,
-        selectedFields: msg.campos || [], // Aquí están tus campos
+        selectedFields: msg.campos || [],
       })
 
-      // 2. Mensaje del Asistente (si hay respuesta)
       if (msg.respuesta) {
-        // Extraemos las recomendaciones de la nueva estructura: msg.propuesta.recommendations
         const rawRecommendations = msg.propuesta?.recommendations || []
 
         messages.push({
@@ -219,8 +214,6 @@ function RouteComponent() {
     })
   }, [mensajesDelChat, activeChatId, availableFields])
 
-  // En tu componente principal (el padre)
-
   const handleApplyMultiple = async (
     sugerencias: Array<any>,
     dbMessageId: string,
@@ -258,15 +251,12 @@ function RouteComponent() {
             conversacionId: dbMessageId,
             campoAfectado: sug.key,
           })
-          console.log(sug.key)
-
           removeSelectedField(sug.key)
         } catch (err) {
           console.error(
             `Error al marcar aplicada la sugerencia: ${sug.key}`,
             err,
           )
-          // Si una falla, el bucle sigue con las demás
         }
       }
 
@@ -335,17 +325,14 @@ function RouteComponent() {
   useEffect(() => {
     if (chatMessages.length > 0) {
       if (isInitialLoad.current) {
-        // Si es el primer render con mensajes, vamos al final al instante
         scrollToBottom('instant')
         isInitialLoad.current = false
       } else {
-        // Si ya estaba cargado y llegan nuevos, hacemos el smooth
         scrollToBottom('smooth')
       }
     }
   }, [chatMessages])
 
-  // 2. Resetear el flag cuando cambies de chat activo
   useEffect(() => {
     isInitialLoad.current = true
   }, [activeChatId])
@@ -358,14 +345,12 @@ function RouteComponent() {
     )
     const isCreationMode = messages.length === 1 && messages[0].id === 'welcome'
 
-    // 1. Si el chat que teníamos seleccionado ya no existe (ej. se archivó)
     if (activeChatId && !currentChatExists && !isCreationMode) {
       setActiveChatId(undefined)
       setMessages([])
       return
     }
 
-    // 2. Auto-selección inicial: Solo si no hay ID, no estamos creando y hay chats
     if (
       !activeChatId &&
       activeChats.length > 0 &&
@@ -399,7 +384,7 @@ function RouteComponent() {
   }, [availableFields, routerState.location.state])
 
   const createNewChat = () => {
-    setActiveChatId(undefined) // Al ser undefined, el próximo handleSend creará uno nuevo
+    setActiveChatId(undefined)
     setMessages([
       {
         id: 'welcome',
@@ -408,7 +393,6 @@ function RouteComponent() {
       },
     ])
     setInput('')
-    // setSelectedFields([])
   }
 
   const archiveChat = (e: React.MouseEvent, id: string) => {
@@ -450,16 +434,15 @@ function RouteComponent() {
 
   const handleInputChange = (e: React.ChangeEvent<HTMLTextAreaElement>) => {
     const val = e.target.value
-    const cursorPosition = e.target.selectionStart // Dónde está escribiendo el usuario
+    const cursorPosition = e.target.selectionStart
     setInput(val)
 
-    // Busca un ":" seguido de letras justo antes del cursor
     const textBeforeCursor = val.slice(0, cursorPosition)
     const match = textBeforeCursor.match(/:(\w*)$/)
 
     if (match) {
       setShowSuggestions(true)
-      setFilterQuery(match[1]) // Esto es lo que se usa para el filtrado
+      setFilterQuery(match[1])
     } else {
       setShowSuggestions(false)
       setFilterQuery('')
@@ -470,40 +453,31 @@ function RouteComponent() {
     input: string,
     fields: Array<SelectedField>,
   ) => {
-    // 1. Limpiamos cualquier rastro anterior de la etiqueta (por si acaso)
-    // Esta regex ahora también limpia si el texto termina de forma natural
     const cleaned = input.replace(/[:\s]+[^:]*$/, '').trim()
 
     if (fields.length === 0) return cleaned
 
     const fieldLabels = fields.map((f) => f.label).join(', ')
-
-    // 2. Devolvemos un formato natural: "Mejora este campo: Nombre del Campo"
     return `${cleaned}: ${fieldLabels}`
   }
 
   const toggleField = (field: SelectedField) => {
-    // 1. Lo agregamos a la lista de "SelectedFields" (para que la IA sepa qué procesar)
     setSelectedFields((prev) => {
       const isSelected = prev.find((f) => f.key === field.key)
       return isSelected ? prev : [...prev, field]
     })
 
-    // 2. Insertamos el nombre del campo en el texto exactamente donde estaba el ":"
     setInput((prev) => {
-      // Reemplaza el último ":" y cualquier texto de filtro por el label del campo
       const nuevoTexto = prev.replace(/:(\w*)$/, field.label)
-      return nuevoTexto + ' ' // Añadimos un espacio para que el usuario siga escribiendo
+      return nuevoTexto + ' '
     })
 
-    // 3. Limpiamos estados de búsqueda
     setShowSuggestions(false)
     setFilterQuery('')
   }
 
   const buildPrompt = (userInput: string, fields: Array<SelectedField>) => {
     if (fields.length === 0) return userInput
-
     return ` ${userInput}`
   }
 
@@ -516,7 +490,6 @@ function RouteComponent() {
     setIsSending(true)
     setOptimisticMessage(finalContent)
     setInput('')
-    // setSelectedFields([])
 
     try {
       const payload = {
@@ -535,7 +508,6 @@ function RouteComponent() {
         setActiveChatId(response.conversacionId)
       }
 
-      // ESPERAMOS a que la caché se actualice antes de quitar el "isSending"
       await Promise.all([
         queryClient.invalidateQueries({
           queryKey: ['conversation-by-plan', planId],
@@ -548,19 +520,15 @@ function RouteComponent() {
       console.error('Error:', error)
       setOptimisticMessage(null)
     } finally {
-      // Solo ahora quitamos los indicadores de carga
       setIsSending(false)
-      // setOptimisticMessage(null)
     }
   }
 
   useEffect(() => {
     if (!isSyncing || !mensajesDelChat || mensajesDelChat.length === 0) return
 
-    // Forzamos el tipo a 'any' o a tu interfaz de mensaje para saltarnos la unión de tipos compleja
     const ultimoMensajeDB = mensajesDelChat[mensajesDelChat.length - 1] as any
 
-    // Ahora la validación es directa y no debería dar avisos de "unnecessary"
     if (ultimoMensajeDB?.respuesta) {
       setIsSyncing(false)
       setOptimisticMessage(null)
@@ -576,14 +544,13 @@ function RouteComponent() {
   }, [selectedArchivoIds, selectedRepositorioIds, uploadedFiles])
 
   const removeSelectedField = (fieldKey: string) => {
-    console.log(fieldKey)
     setSelectedFields((prev) => prev.filter((f) => f.key !== fieldKey))
   }
 
   return (
     <div className="flex h-[calc(100vh-80px)] w-full flex-col gap-4 pb-1 md:h-[calc(100vh-160px)] md:max-h-[calc(100vh-160px)] md:flex-row md:overflow-hidden">
-      {/* --- HEADER MÓVIL (Solo visible en < md) --- */}
-      <div className="flex shrink-0 items-center justify-between rounded-lg border bg-white p-2 shadow-sm md:hidden">
+      {/* --- HEADER MÓVIL --- */}
+      <div className="bg-background flex shrink-0 items-center justify-between rounded-lg border p-2 shadow-sm md:hidden">
         <Button
           variant="ghost"
           size="sm"
@@ -596,14 +563,13 @@ function RouteComponent() {
           size="sm"
           onClick={() => setIsActionsOpen(true)}
         >
-          <Lightbulb size={18} className="mr-2 text-orange-500" /> Acciones
+          <Lightbulb size={18} className="text-primary mr-2" /> Acciones
         </Button>
       </div>
 
-      {/* --- PANEL IZQUIERDO: HISTORIAL (Escritorio) --- */}
+      {/* --- PANEL IZQUIERDO: HISTORIAL --- */}
       <div className="hidden w-64 flex-col border-r pr-4 md:flex">
-        {/* ... (Tu código actual del historial de chats) ... */}
-        <h2 className="text-xs font-bold tracking-wider text-slate-500 uppercase">
+        <h2 className="text-muted-foreground text-xs font-bold tracking-wider uppercase">
           Chats
         </h2>
         <Button
@@ -615,8 +581,6 @@ function RouteComponent() {
         </Button>
         <ScrollArea className="flex-1">
           <div className="space-y-1 pr-2">
-            {' '}
-            {/* Agregamos un pr-2 para que el scrollbar no tape botones */}
             {!showArchived ? (
               activeChats.map((chat) => (
                 <div
@@ -624,23 +588,19 @@ function RouteComponent() {
                   onClick={() => setActiveChatId(chat.id)}
                   className={`group relative flex w-full items-center overflow-hidden rounded-lg px-3 py-3 text-sm transition-colors ${
                     activeChatId === chat.id
-                      ? 'bg-slate-100 font-medium text-slate-900'
-                      : 'text-slate-600 hover:bg-slate-50'
+                      ? 'bg-accent text-foreground font-medium'
+                      : 'text-muted-foreground hover:bg-accent/50'
                   }`}
                 >
-                  {/* LADO IZQUIERDO: Icono + Texto */}
                   <div
                     className="flex min-w-0 flex-1 items-center gap-3 transition-all duration-200"
                     style={{
-                      // Aplicamos la máscara solo cuando el mouse está encima para que se note el desvanecimiento
-                      // donde aparecen los botones
                       maskImage:
                         'linear-gradient(to right, black 70%, transparent 95%)',
                       WebkitMaskImage:
                         'linear-gradient(to right, black 70%, transparent 95%)',
                     }}
                   >
-                    {/* pr-12 reserva espacio para los botones absolutos */}
                     <FileText size={16} className="shrink-0 opacity-40" />
                     <TooltipProvider delayDuration={400}>
                       <Tooltip>
@@ -654,7 +614,7 @@ function RouteComponent() {
                               suppressContentEditableWarning={true}
                               className={`block truncate outline-none ${
                                 editingChatId === chat.id
-                                  ? 'max-h-20 min-w-[100px] cursor-text overflow-y-auto rounded bg-white px-1 break-all shadow-sm ring-1 ring-teal-500'
+                                  ? 'bg-background ring-primary max-h-20 min-w-[100px] cursor-text overflow-y-auto rounded px-1 break-all shadow-sm ring-1'
                                   : 'cursor-pointer'
                               }`}
                               onDoubleClick={(e) => {
@@ -703,10 +663,9 @@ function RouteComponent() {
                     </TooltipProvider>
                   </div>
 
-                  {/* LADO DERECHO: Acciones ABSOLUTAS */}
                   <div
                     className={`absolute top-1/2 right-2 z-20 flex -translate-y-1/2 items-center gap-1 rounded-md px-1 opacity-0 transition-opacity group-hover:opacity-100 ${
-                      activeChatId === chat.id ? 'bg-slate-100' : 'bg-slate-50'
+                      activeChatId === chat.id ? 'bg-accent' : 'bg-transparent'
                     }`}
                   >
                     <button
@@ -715,13 +674,13 @@ function RouteComponent() {
                         setEditingChatId(chat.id)
                         setTimeout(() => editableRef.current?.focus(), 50)
                       }}
-                      className="rounded-md p-1 text-slate-400 transition-colors hover:text-teal-600"
+                      className="text-muted-foreground hover:text-primary rounded-md p-1 transition-colors"
                     >
                       <Send size={12} className="rotate-45" />
                     </button>
                     <button
                       onClick={(e) => archiveChat(e, chat.id)}
-                      className="rounded-md p-1 text-slate-400 transition-colors hover:text-amber-600"
+                      className="text-muted-foreground hover:text-destructive rounded-md p-1 transition-colors"
                     >
                       <Archive size={14} />
                     </button>
@@ -729,15 +688,14 @@ function RouteComponent() {
                 </div>
               ))
             ) : (
-              /* Sección de archivados (Simplificada para mantener consistencia) */
               <div className="animate-in fade-in slide-in-from-left-2 px-1">
-                <p className="mb-2 px-2 text-[10px] font-bold text-slate-400 uppercase">
+                <p className="text-muted-foreground mb-2 px-2 text-[10px] font-bold uppercase">
                   Archivados
                 </p>
                 {archivedChats.map((chat) => (
                   <div
                     key={chat.id}
-                    className="group relative mb-1 flex w-full items-center overflow-hidden rounded-lg bg-slate-50/50 px-3 py-2 text-sm text-slate-400"
+                    className="bg-muted/50 text-muted-foreground group relative mb-1 flex w-full items-center overflow-hidden rounded-lg px-3 py-2 text-sm"
                   >
                     <div className="flex min-w-0 flex-1 items-center gap-3 pr-10">
                       <Archive size={14} className="shrink-0 opacity-30" />
@@ -748,7 +706,7 @@ function RouteComponent() {
                     </div>
                     <button
                       onClick={(e) => unarchiveChat(e, chat.id)}
-                      className="absolute top-1/2 right-2 shrink-0 -translate-y-1/2 rounded bg-slate-100 p-1 opacity-0 transition-opacity group-hover:opacity-100 hover:text-teal-600"
+                      className="bg-accent hover:text-primary absolute top-1/2 right-2 shrink-0 -translate-y-1/2 rounded p-1 opacity-0 transition-opacity group-hover:opacity-100"
                     >
                       <RotateCcw size={14} />
                     </button>
@@ -760,22 +718,21 @@ function RouteComponent() {
         </ScrollArea>
       </div>
 
-      {/* --- PANEL DE CHAT PRINCIPAL (Centro) --- */}
-      <div className="relative flex min-w-0 flex-1 flex-col overflow-hidden rounded-xl border border-slate-200 bg-slate-50/50 shadow-sm md:h-full md:flex-[3]">
-        {/* NUEVO: Barra superior de campos seleccionados */}
-        <div className="z-10 shrink-0 border-b bg-white p-3">
+      {/* --- PANEL DE CHAT PRINCIPAL --- */}
+      <div className="border-border/60 bg-muted/30 relative flex min-w-0 flex-1 flex-col overflow-hidden rounded-xl border shadow-sm md:h-full md:flex-[3]">
+        <div className="bg-background z-10 shrink-0 border-b p-3">
           <div className="flex items-center justify-between">
-            <span className="text-[10px] font-bold text-slate-400 uppercase">
+            <span className="text-muted-foreground text-[10px] font-bold uppercase">
               Mejorar con IA
             </span>
             <button
               onClick={() => setOpenIA(true)}
-              className="flex items-center gap-2 rounded-md bg-slate-100 px-3 py-1.5 text-xs font-medium transition hover:bg-slate-200"
+              className="bg-secondary text-secondary-foreground hover:bg-secondary/80 flex items-center gap-2 rounded-md px-3 py-1.5 text-xs font-medium transition"
             >
-              <Archive size={14} className="text-slate-500" />
+              <Archive size={14} className="opacity-70" />
               Referencias
               {totalReferencias > 0 && (
-                <span className="flex h-4 min-w-[16px] items-center justify-center rounded-full bg-teal-600 px-1 text-[10px] text-white">
+                <span className="bg-primary text-primary-foreground flex h-4 min-w-[16px] items-center justify-center rounded-full px-1 text-[10px]">
                   {totalReferencias}
                 </span>
               )}
@@ -783,7 +740,6 @@ function RouteComponent() {
           </div>
         </div>
 
-        {/* CONTENIDO DEL CHAT */}
         <div className="relative flex min-h-0 flex-1 flex-col">
           <ScrollArea ref={scrollRef} className="h-full w-full">
             <div className="mx-auto flex max-w-3xl flex-col gap-6 p-6">
@@ -793,12 +749,12 @@ function RouteComponent() {
                 <div className="flex h-[400px] flex-col items-center justify-center text-center opacity-40">
                   <MessageSquarePlus
                     size={48}
-                    className="mb-4 text-slate-300"
+                    className="text-muted-foreground/50 mb-4"
                   />
-                  <h3 className="text-lg font-medium text-slate-900">
+                  <h3 className="text-foreground text-lg font-medium">
                     No hay un chat seleccionado
                   </h3>
-                  <p className="text-sm text-slate-500">
+                  <p className="text-muted-foreground text-sm">
                     Selecciona un chat del historial o crea uno nuevo para
                     empezar.
                   </p>
@@ -808,7 +764,6 @@ function RouteComponent() {
                   {chatMessages.map((msg: any) => {
                     const isAI = msg.role === 'assistant'
                     const isUser = msg.role === 'user'
-                    // IMPORTANTE: Asegúrate de que msg.id contenga la info de procesamiento o pásala en el map
                     const isProcessing = msg.isProcessing
 
                     return (
@@ -821,48 +776,44 @@ function RouteComponent() {
                         <div
                           className={`relative rounded-2xl p-3 text-sm whitespace-pre-wrap shadow-sm transition-all duration-300 ${
                             isUser
-                              ? 'rounded-tr-none bg-teal-600 text-white'
-                              : `rounded-tl-none border bg-white text-slate-700 ${
+                              ? 'bg-primary text-primary-foreground rounded-tr-none'
+                              : `bg-card text-card-foreground rounded-tl-none border ${
                                   msg.isRefusal
-                                    ? 'border-red-200 bg-red-50/50 ring-1 ring-red-100'
-                                    : 'border-slate-100'
+                                    ? 'border-destructive/50 bg-destructive/10 ring-destructive/20 ring-1'
+                                    : 'border-border'
                                 }`
                           }`}
                         >
-                          {/* Aviso de Refusal */}
                           {msg.isRefusal && (
-                            <div className="mb-1 flex items-center gap-1 text-[10px] font-bold text-red-500 uppercase">
+                            <div className="text-destructive mb-1 flex items-center gap-1 text-[10px] font-bold uppercase">
                               <span>Aviso del Asistente</span>
                             </div>
                           )}
 
-                          {/* CONTENIDO CORRECTO: Usamos msg.content */}
                           {isAI && isProcessing ? (
                             <div className="flex items-center gap-2 py-1">
                               <div className="flex gap-1">
-                                <span className="h-1.5 w-1.5 animate-bounce rounded-full bg-teal-500" />
-                                <span className="h-1.5 w-1.5 animate-bounce rounded-full bg-teal-500 [animation-delay:-0.15s]" />
-                                <span className="h-1.5 w-1.5 animate-bounce rounded-full bg-teal-500 [animation-delay:-0.3s]" />
+                                <span className="bg-primary h-1.5 w-1.5 animate-bounce rounded-full" />
+                                <span className="bg-primary h-1.5 w-1.5 animate-bounce rounded-full [animation-delay:-0.15s]" />
+                                <span className="bg-primary h-1.5 w-1.5 animate-bounce rounded-full [animation-delay:-0.3s]" />
                               </div>
                             </div>
                           ) : (
-                            msg.content // <--- CAMBIO CLAVE
+                            msg.content
                           )}
 
-                          {/* Recomendaciones */}
                           {isAI && msg.suggestions?.length > 0 && (
-                            <div className="mt-4 w-full space-y-3 rounded-xl border border-slate-100 bg-slate-50/50 p-3">
+                            <div className="border-border/60 bg-muted/50 mt-4 w-full space-y-3 rounded-xl border p-3">
                               <div className="flex items-center justify-between px-1">
-                                <span className="text-[10px] font-bold text-slate-400 uppercase">
+                                <span className="text-muted-foreground text-[10px] font-bold uppercase">
                                   Sugerencias de mejora
                                 </span>
-                                {/* Botón Seleccionar Todo */}
                                 {msg.suggestions.some(
                                   (s: any) => !s.applied,
                                 ) && (
                                   <Button
                                     variant="ghost"
-                                    className="h-6 px-2 text-[10px] text-teal-600 hover:bg-teal-100"
+                                    className="text-primary hover:bg-primary/10 h-6 px-2 text-[10px]"
                                     onClick={() =>
                                       toggleAllFromMessage(msg.suggestions)
                                     }
@@ -883,7 +834,7 @@ function RouteComponent() {
                                   {!sug.applied && (
                                     <input
                                       type="checkbox"
-                                      className="mt-4 h-4 w-4 shrink-0 rounded border-slate-300 accent-teal-600"
+                                      className="border-input accent-primary mt-4 h-4 w-4 shrink-0 rounded"
                                       checked={selectedImprovements.includes(
                                         sug.key,
                                       )}
@@ -894,7 +845,7 @@ function RouteComponent() {
                                   )}
                                   <div className="flex-1">
                                     <ImprovementCard
-                                      suggestions={[sug]} // Pasamos solo una para que la card actúe individualmente
+                                      suggestions={[sug]}
                                       dbMessageId={msg.dbMessageId}
                                       planId={planId}
                                       currentDatos={data?.datos}
@@ -907,14 +858,13 @@ function RouteComponent() {
                                 </div>
                               ))}
 
-                              {/* Botón de Acción Masiva específico para este mensaje */}
                               {msg.suggestions.some((s: any) =>
                                 selectedImprovements.includes(s.key),
                               ) && (
                                 <Button
                                   size="sm"
                                   disabled={isSending}
-                                  className="w-full bg-teal-600 py-1 text-xs font-bold text-white hover:bg-teal-700"
+                                  className="w-full py-1 text-xs font-bold"
                                   onClick={() => {
                                     const seleccionadas =
                                       msg.suggestions.filter((s: any) =>
@@ -952,20 +902,20 @@ function RouteComponent() {
 
                   {(isSending || isSyncing) && (
                     <div className="animate-in fade-in slide-in-from-bottom-2 flex gap-4">
-                      <Avatar className="h-9 w-9 shrink-0 border bg-teal-600 text-white shadow-sm">
+                      <Avatar className="bg-primary text-primary-foreground h-9 w-9 shrink-0 border shadow-sm">
                         <AvatarFallback>
                           <Sparkles size={16} className="animate-pulse" />
                         </AvatarFallback>
                       </Avatar>
                       <div className="flex flex-col items-start gap-2">
-                        <div className="rounded-2xl rounded-tl-none border border-slate-200 bg-white p-4 shadow-sm">
+                        <div className="bg-card border-border rounded-2xl rounded-tl-none border p-4 shadow-sm">
                           <div className="flex gap-1">
-                            <span className="h-1.5 w-1.5 animate-bounce rounded-full bg-slate-400 [animation-delay:-0.3s]"></span>
-                            <span className="h-1.5 w-1.5 animate-bounce rounded-full bg-slate-400 [animation-delay:-0.15s]"></span>
-                            <span className="h-1.5 w-1.5 animate-bounce rounded-full bg-slate-400"></span>
+                            <span className="bg-muted-foreground/50 h-1.5 w-1.5 animate-bounce rounded-full [animation-delay:-0.3s]"></span>
+                            <span className="bg-muted-foreground/50 h-1.5 w-1.5 animate-bounce rounded-full [animation-delay:-0.15s]"></span>
+                            <span className="bg-muted-foreground/50 h-1.5 w-1.5 animate-bounce rounded-full"></span>
                           </div>
                         </div>
-                        <span className="text-[10px] font-medium text-slate-400 italic">
+                        <span className="text-muted-foreground text-[10px] font-medium italic">
                           La IA está analizando tu solicitud...
                         </span>
                       </div>
@@ -976,9 +926,8 @@ function RouteComponent() {
             </div>
           </ScrollArea>
 
-          {/* Botones flotantes de aplicación */}
           {pendingSuggestion && !isLoading && (
-            <div className="animate-in fade-in slide-in-from-bottom-2 absolute bottom-4 left-1/2 z-10 flex -translate-x-1/2 gap-2 rounded-full border bg-white p-1.5 shadow-2xl">
+            <div className="animate-in fade-in slide-in-from-bottom-2 bg-card border-border absolute bottom-4 left-1/2 z-10 flex -translate-x-1/2 gap-2 rounded-full border p-1.5 shadow-2xl">
               <Button
                 variant="ghost"
                 size="sm"
@@ -987,23 +936,19 @@ function RouteComponent() {
               >
                 <X className="mr-1 h-3 w-3" /> Descartar
               </Button>
-              <Button
-                size="sm"
-                className="h-8 rounded-full bg-teal-600 text-xs text-white hover:bg-teal-700"
-              >
+              <Button size="sm" className="h-8 rounded-full text-xs">
                 <Check className="mr-1 h-3 w-3" /> Aplicar cambios
               </Button>
             </div>
           )}
         </div>
 
-        {/* INPUT FIJO AL FONDO CON SUGERENCIAS : */}
-        <div className="shrink-0 border-t bg-white p-4">
+        {/* INPUT FIJO AL FONDO */}
+        <div className="bg-background border-border shrink-0 border-t p-4">
           <div className="relative mx-auto max-w-4xl">
-            {/* MENÚ DE SUGERENCIAS FLOTANTE */}
             {showSuggestions && (
-              <div className="animate-in slide-in-from-bottom-2 absolute bottom-full mb-2 w-full rounded-xl border bg-white shadow-2xl">
-                <div className="border-b bg-slate-50 px-3 py-2 text-[10px] font-bold text-slate-500 uppercase">
+              <div className="animate-in slide-in-from-bottom-2 bg-popover border-border absolute bottom-full mb-2 w-full rounded-xl border shadow-2xl">
+                <div className="bg-muted text-muted-foreground border-b px-3 py-2 text-[10px] font-bold uppercase">
                   Resultados para "{filterQuery}"
                 </div>
                 <div className="max-h-64 overflow-y-auto p-1">
@@ -1014,8 +959,8 @@ function RouteComponent() {
                         onClick={() => toggleField(field)}
                         className={`flex w-full items-center justify-between rounded-lg px-3 py-2 text-left text-sm transition-colors ${
                           index === 0
-                            ? 'bg-teal-50 text-teal-700 ring-1 ring-teal-200 ring-inset'
-                            : 'hover:bg-slate-50'
+                            ? 'bg-primary/10 text-primary ring-primary/30 ring-1 ring-inset'
+                            : 'hover:bg-accent'
                         }`}
                       >
                         <span>{field.label}</span>
@@ -1027,7 +972,7 @@ function RouteComponent() {
                       </button>
                     ))
                   ) : (
-                    <div className="p-3 text-center text-xs text-slate-400">
+                    <div className="text-muted-foreground p-3 text-center text-xs">
                       No hay coincidencias
                     </div>
                   )}
@@ -1035,20 +980,18 @@ function RouteComponent() {
               </div>
             )}
 
-            {/* CONTENEDOR DEL INPUT TRANSFORMADO */}
-            <div className="flex flex-col gap-2 rounded-xl border bg-slate-50 p-2 transition-all focus-within:bg-white focus-within:ring-1 focus-within:ring-teal-500">
-              {/* 1. Visualización de campos dentro del input ) */}
+            <div className="bg-muted/50 focus-within:bg-background focus-within:ring-primary flex flex-col gap-2 rounded-xl border p-2 transition-all focus-within:ring-1">
               {selectedFields.length > 0 && (
                 <div className="flex flex-wrap gap-2 px-2 pt-1">
                   {selectedFields.map((field) => (
                     <div
                       key={field.key}
-                      className="animate-in zoom-in-95 flex items-center gap-1 rounded-md border border-teal-200 bg-teal-100 px-2 py-0.5 text-[11px] font-semibold text-teal-800"
+                      className="animate-in zoom-in-95 border-primary/20 bg-primary/10 text-primary flex items-center gap-1 rounded-md border px-2 py-0.5 text-[11px] font-semibold"
                     >
                       <span className="opacity-70">Campo:</span> {field.label}
                       <button
                         onClick={() => toggleField(field)}
-                        className="ml-1 rounded-full p-0.5 transition-colors hover:bg-teal-200"
+                        className="hover:bg-primary/20 ml-1 rounded-full p-0.5 transition-colors"
                       >
                         <X size={10} />
                       </button>
@@ -1057,7 +1000,6 @@ function RouteComponent() {
                 </div>
               )}
 
-              {/* 2. Área de escritura */}
               <div className="flex items-end gap-2">
                 <Textarea
                   value={input}
@@ -1076,7 +1018,6 @@ function RouteComponent() {
                         setFilterQuery('')
                       }
                     } else {
-                      // Si el usuario borra y el input está vacío, eliminar el último campo
                       if (
                         e.key === 'Backspace' &&
                         input === '' &&
@@ -1104,7 +1045,7 @@ function RouteComponent() {
                     isSending || (!input.trim() && selectedFields.length === 0)
                   }
                   size="icon"
-                  className="mb-1 h-9 w-9 shrink-0 bg-teal-600 hover:bg-teal-700"
+                  className="mb-1 h-9 w-9 shrink-0"
                 >
                   {isSending ? (
                     <Loader2 className="animate-spin" size={16} />
@@ -1118,22 +1059,22 @@ function RouteComponent() {
         </div>
       </div>
 
-      {/* --- PANEL LATERAL: ACCIONES RÁPIDAS (Escritorio) --- */}
+      {/* --- PANEL LATERAL: ACCIONES RÁPIDAS --- */}
       <div className="hidden flex-[1] flex-col gap-4 overflow-y-auto md:flex">
-        <h4 className="flex items-center gap-2 text-left text-sm font-bold text-slate-800">
-          <Lightbulb size={18} className="text-orange-500" /> Acciones rápidas
+        <h4 className="text-foreground flex items-center gap-2 text-left text-sm font-bold">
+          <Lightbulb size={18} className="text-primary" /> Acciones rápidas
         </h4>
         <div className="space-y-2 p-1">
           {PRESETS.map((preset) => (
             <button
               key={preset.id}
               onClick={() => handleSend(preset.prompt)}
-              className="group flex w-full items-center gap-3 rounded-xl border bg-white p-3 text-left text-sm shadow-sm transition-all hover:border-teal-500 hover:bg-teal-50"
+              className="bg-card hover:border-primary hover:bg-primary/5 group flex w-full items-center gap-3 rounded-xl border p-3 text-left text-sm shadow-sm transition-all"
             >
-              <div className="rounded-lg bg-slate-100 p-2 text-slate-500 group-hover:bg-teal-100 group-hover:text-teal-600">
+              <div className="bg-muted text-muted-foreground group-hover:bg-primary/10 group-hover:text-primary rounded-lg p-2 transition-colors">
                 <preset.icon size={16} />
               </div>
-              <span className="leading-tight font-medium text-slate-700">
+              <span className="text-foreground leading-tight font-medium">
                 {preset.label}
               </span>
             </button>
@@ -1149,13 +1090,12 @@ function RouteComponent() {
               createNewChat()
               setIsHistoryOpen(false)
             }}
-            className="mb-4 w-full bg-teal-600 text-white"
+            className="mb-4 w-full"
           >
             <MessageSquarePlus size={18} className="mr-2" /> Nuevo Chat
           </Button>
           <ScrollArea className="flex-1">
-            {/* Reutiliza aquí el mapeo de chats que tienes en el panel izquierdo */}
-            <p className="mb-4 text-xs font-bold text-slate-400 uppercase">
+            <p className="text-muted-foreground mb-4 text-xs font-bold uppercase">
               Historial Reciente
             </p>
             {activeChats.map((chat) => (
@@ -1165,7 +1105,7 @@ function RouteComponent() {
                   setActiveChatId(chat.id)
                   setIsHistoryOpen(false)
                 }}
-                className="border-b p-3 text-sm"
+                className="border-border border-b p-3 text-sm"
               >
                 {chat.nombre || 'Chat sin nombre'}
               </div>
@@ -1178,7 +1118,7 @@ function RouteComponent() {
       <Drawer open={isActionsOpen} onOpenChange={setIsActionsOpen}>
         <DrawerContent className="h-[60vh] p-4">
           <h4 className="mb-4 flex items-center gap-2 font-bold">
-            <Lightbulb size={18} className="text-orange-500" /> Acciones rápidas
+            <Lightbulb size={18} className="text-primary" /> Acciones rápidas
           </h4>
           <div className="grid grid-cols-1 gap-2 sm:grid-cols-2">
             {PRESETS.map((preset) => (
@@ -1188,7 +1128,7 @@ function RouteComponent() {
                   handleSend(preset.prompt)
                   setIsActionsOpen(false)
                 }}
-                className="flex items-center gap-3 rounded-xl border p-4 text-left text-sm"
+                className="border-border flex items-center gap-3 rounded-xl border p-4 text-left text-sm"
               >
                 <preset.icon size={16} />
                 <span>{preset.label}</span>
@@ -1198,23 +1138,20 @@ function RouteComponent() {
         </DrawerContent>
       </Drawer>
 
-      {/* Tu Drawer de Referencias IA se queda igual */}
       <Drawer open={openIA} onOpenChange={setOpenIA}>
-        <DrawerContent className="fixed inset-x-0 bottom-0 mx-auto mb-4 flex h-[80vh] w-full max-w-2xl flex-col overflow-hidden rounded-2xl border bg-white shadow-2xl">
-          {/* Cabecera más compacta */}
-          <div className="flex items-center justify-between border-b bg-slate-50/50 px-4 py-3">
-            <h2 className="text-xs font-bold tracking-wider text-slate-500 uppercase">
+        <DrawerContent className="bg-background fixed inset-x-0 bottom-0 mx-auto mb-4 flex h-[80vh] w-full max-w-2xl flex-col overflow-hidden rounded-2xl border shadow-2xl">
+          <div className="bg-muted/50 border-border flex items-center justify-between border-b px-4 py-3">
+            <h2 className="text-muted-foreground text-xs font-bold tracking-wider uppercase">
               Referencias para la IA
             </h2>
             <button
               onClick={() => setOpenIA(false)}
-              className="text-slate-400 transition-colors hover:text-slate-600"
+              className="text-muted-foreground hover:text-foreground transition-colors"
             >
               <X size={18} />
             </button>
           </div>
 
-          {/* Contenido con scroll interno */}
           <div className="flex-1 overflow-y-auto p-4">
             <ReferenciasParaIA
               selectedArchivoIds={selectedArchivoIds}
diff --git a/src/routes/planes/$planId/_detalle/index.tsx b/src/routes/planes/$planId/_detalle/index.tsx
index e640260..1a7cb36 100644
--- a/src/routes/planes/$planId/_detalle/index.tsx
+++ b/src/routes/planes/$planId/_detalle/index.tsx
@@ -3,7 +3,6 @@ import {
   useNavigate,
   useLocation,
 } from '@tanstack/react-router'
-// import confetti from 'canvas-confetti'
 import { Pencil, Check, X, Sparkles, AlertCircle } from 'lucide-react'
 import { useState, useEffect } from 'react'
 
@@ -20,7 +19,6 @@ import {
 } from '@/components/ui/tooltip'
 import { usePlan, useUpdatePlanFields } from '@/data'
 
-// import { toast } from 'sonner' // Asegúrate de tener sonner instalado o quita la línea
 export const Route = createFileRoute('/planes/$planId/_detalle/')({
   component: DatosGeneralesPage,
 })
@@ -34,21 +32,20 @@ function DatosGeneralesPage() {
   const { planId } = Route.useParams()
   const { data, isLoading } = usePlan(planId)
   const navigate = useNavigate()
-  // Inicializamos campos como un arreglo vacío
+
   const [campos, setCampos] = useState<Array<DatosGeneralesField>>([])
   const [editingId, setEditingId] = useState<string | null>(null)
   const [editValue, setEditValue] = useState('')
   const location = useLocation()
   const updatePlan = useUpdatePlanFields()
-  // Confetti al llegar desde creación
+
   useEffect(() => {
     if (location.state.showConfetti) {
       lateralConfetti()
-      window.history.replaceState({}, document.title) // Limpiar el estado para que no se repita
+      window.history.replaceState({}, document.title)
     }
   }, [location.state])
 
-  // Efecto para transformar data?.datos en el arreglo de campos
   useEffect(() => {
     const definicion = data?.estructuras_plan?.definicion as any
     const properties = definicion?.properties
@@ -59,18 +56,13 @@ function DatosGeneralesPage() {
     if (properties && typeof properties === 'object') {
       let keys = Object.keys(properties)
 
-      // Ordenar llaves basado en la lista "required" si existe
       if (Array.isArray(requiredOrder)) {
         keys = keys.sort((a, b) => {
           const indexA = requiredOrder.indexOf(a)
           const indexB = requiredOrder.indexOf(b)
-          // Si 'a' está en la lista y 'b' no -> 'a' primero (-1)
           if (indexA !== -1 && indexB === -1) return -1
-          // Si 'b' está en la lista y 'a' no -> 'b' primero (1)
           if (indexA === -1 && indexB !== -1) return 1
-          // Si ambos están, comparar índices
           if (indexA !== -1 && indexB !== -1) return indexA - indexB
-          // Ninguno en la lista, mantener orden relativo
           return 0
         })
       }
@@ -108,18 +100,14 @@ function DatosGeneralesPage() {
     }
   }, [data])
 
-  // 3. Manejadores de acciones (Ahora como funciones locales)
   const handleEdit = (nuevoCampo: DatosGeneralesField) => {
-    // 1. SI YA ESTÁBAMOS EDITANDO OTRO CAMPO, GUARDAMOS EL ANTERIOR PRIMERO
     if (editingId && editingId !== nuevoCampo.id) {
       const campoAnterior = campos.find((c) => c.id === editingId)
       if (campoAnterior && editValue !== campoAnterior.value) {
-        // Solo guardamos si el valor realmente cambió
         ejecutarGuardadoSilencioso(campoAnterior, editValue)
       }
     }
 
-    // 2. ABRIMOS EL NUEVO CAMPO
     setEditingId(nuevoCampo.id)
     setEditValue(nuevoCampo.value)
   }
@@ -128,7 +116,7 @@ function DatosGeneralesPage() {
     setEditingId(null)
     setEditValue('')
   }
-  // Función auxiliar para procesar los datos (fuera o dentro del componente)
+
   const prepararDatosActualizados = (
     data: any,
     campo: DatosGeneralesField,
@@ -167,7 +155,6 @@ function DatosGeneralesPage() {
       patch: { datos: datosActualizados },
     })
 
-    // Actualizar UI localmente
     setCampos((prev) =>
       prev.map((c) => (c.id === campo.id ? { ...c, value: valor } : c)),
     )
@@ -185,13 +172,11 @@ function DatosGeneralesPage() {
       currentValue !== null &&
       'description' in currentValue
     ) {
-      // Caso 1: objeto con description
       newValue = {
         ...currentValue,
         description: editValue,
       }
     } else {
-      // Caso 2: valor plano (string, number, etc)
       newValue = editValue
     }
 
@@ -207,7 +192,6 @@ function DatosGeneralesPage() {
       },
     })
 
-    // UI optimista
     setCampos((prev) =>
       prev.map((c) => (c.id === campo.id ? { ...c, value: editValue } : c)),
     )
@@ -217,17 +201,18 @@ function DatosGeneralesPage() {
     setEditValue('')
   }
 
-  const handleIARequest = (clave: string) => {
+  const handleIARequest = (campo: DatosGeneralesField) => {
     navigate({
       to: '/planes/$planId/iaplan',
       params: {
-        planId: planId, // o dinámico
+        planId: planId,
       },
       state: {
-        campo_edit: clave,
+        campo_edit: campo.clave,
       } as any,
     })
   }
+
   return (
     <div className="animate-in fade-in duration-500">
       <div className="mb-6">
@@ -246,19 +231,19 @@ function DatosGeneralesPage() {
           return (
             <div
               key={campo.id}
-              className={`rounded-xl border transition-all ${
+              className={`bg-card rounded-xl border transition-all ${
                 isEditing
-                  ? 'border-teal-500 shadow-lg ring-2 ring-teal-50'
-                  : 'bg-white hover:shadow-md'
+                  ? 'border-primary ring-primary/20 shadow-lg ring-2'
+                  : 'hover:shadow-md'
               }`}
             >
               {/* Header de la Card */}
               <TooltipProvider>
-                <div className="flex items-center justify-between border-b bg-slate-50/50 px-5 py-3">
+                <div className="bg-muted/30 flex items-center justify-between border-b px-5 py-3">
                   <div className="flex items-center gap-2">
                     <Tooltip>
                       <TooltipTrigger asChild>
-                        <h3 className="cursor-help text-sm font-medium text-slate-700">
+                        <h3 className="text-foreground cursor-help text-sm font-medium">
                           {campo.label}
                         </h3>
                       </TooltipTrigger>
@@ -268,7 +253,7 @@ function DatosGeneralesPage() {
                     </Tooltip>
 
                     {campo.requerido && (
-                      <span className="text-xs text-red-500">*</span>
+                      <span className="text-destructive text-xs">*</span>
                     )}
                   </div>
 
@@ -279,7 +264,7 @@ function DatosGeneralesPage() {
                           <Button
                             variant="ghost"
                             size="icon"
-                            className="h-8 w-8 text-teal-600"
+                            className="text-primary hover:text-primary/90 h-8 w-8"
                             onClick={() => handleIARequest(campo)}
                           >
                             <Sparkles size={14} />
@@ -293,7 +278,7 @@ function DatosGeneralesPage() {
                           <Button
                             variant="ghost"
                             size="icon"
-                            className="h-8 w-8"
+                            className="text-muted-foreground hover:text-foreground h-8 w-8"
                             onClick={() => handleEdit(campo)}
                           >
                             <Pencil size={14} />
@@ -324,11 +309,7 @@ function DatosGeneralesPage() {
                       >
                         <X size={14} className="mr-1" /> Cancelar
                       </Button>
-                      <Button
-                        size="sm"
-                        className="bg-teal-600 hover:bg-teal-700"
-                        onClick={() => handleSave(campo)}
-                      >
+                      <Button size="sm" onClick={() => handleSave(campo)}>
                         <Check size={14} className="mr-1" /> Guardar
                       </Button>
                     </div>
@@ -336,12 +317,12 @@ function DatosGeneralesPage() {
                 ) : (
                   <div className="min-h-25">
                     {campo.value ? (
-                      <div className="text-sm leading-relaxed text-slate-600">
+                      <div className="text-muted-foreground text-sm leading-relaxed">
                         {campo.tipo === 'lista' ? (
                           <ul className="space-y-1">
                             {campo.value.split('\n').map((item, i) => (
                               <li key={i} className="flex gap-2">
-                                <span className="mt-1.5 h-1.5 w-1.5 shrink-0 rounded-full bg-teal-500" />
+                                <span className="bg-primary mt-1.5 h-1.5 w-1.5 shrink-0 rounded-full" />
                                 {item}
                               </li>
                             ))}
@@ -351,7 +332,7 @@ function DatosGeneralesPage() {
                         )}
                       </div>
                     ) : (
-                      <div className="flex items-center gap-2 text-sm text-slate-400">
+                      <div className="text-muted-foreground/70 flex items-center gap-2 text-sm">
                         <AlertCircle size={14} />
                         <span>Sin contenido.</span>
                       </div>
diff --git a/src/routes/planes/$planId/_detalle/mapa.tsx b/src/routes/planes/$planId/_detalle/mapa.tsx
index eef383c..1b651a5 100644
--- a/src/routes/planes/$planId/_detalle/mapa.tsx
+++ b/src/routes/planes/$planId/_detalle/mapa.tsx
@@ -1013,7 +1013,7 @@ function MapaCurricularPage() {
           <div className="col-span-full">
             <div className="sticky left-0 z-10 w-35">
               <Button
-                className="ring-offset-background bg-primary text-primary-foreground hover:bg-primary/90 inline-flex h-11 w-full items-center justify-start gap-2 rounded-md px-8 text-sm font-medium shadow-md transition-colors"
+                className="shadow-md"
                 onClick={() => setIsAddLineaDialogOpen(true)}
               >
                 <Plus size={14} /> Agregar línea
@@ -1277,7 +1277,7 @@ function MapaCurricularPage() {
 
           <div className="mt-2 flex items-center justify-end gap-3 border-t pt-4">
             <Button
-              className="ring-offset-background bg-primary text-primary-foreground hover:bg-primary/90 inline-flex h-11 items-center justify-center gap-2 rounded-md px-8 text-sm font-medium shadow-md transition-colors"
+              className="shadow-md"
               onClick={handleAgregarLinea}
               disabled={!canAddLinea || isCreatingLinea}
             >
diff --git a/src/routes/planes/_lista.tsx b/src/routes/planes/_lista.tsx
index 547c325..35be17f 100644
--- a/src/routes/planes/_lista.tsx
+++ b/src/routes/planes/_lista.tsx
@@ -8,6 +8,7 @@ import BarraBusqueda from '@/components/planes/BarraBusqueda'
 import Filtro from '@/components/planes/Filtro'
 import PlanEstudiosCard from '@/components/planes/PlanEstudiosCard'
 // Hooks y Utils (ajusta las rutas de importación)
+import { Button } from '@/components/ui/button'
 import { usePlanes, useCatalogosPlanes } from '@/data/hooks/usePlans'
 import { getIconByName } from '@/features/planes/utils/icon-utils'
 
@@ -131,16 +132,16 @@ function RouteComponent() {
                 </p>
               </div>
             </div>
-            <button
+            <Button
               onClick={() => {
                 console.log('planId')
 
                 navigate({ to: '/planes/nuevo', resetScroll: false })
               }}
-              className="ring-offset-background bg-primary text-primary-foreground hover:bg-primary/90 inline-flex h-11 items-center justify-center gap-2 rounded-md px-8 text-sm font-medium shadow-md transition-colors"
+              className="shadow-md"
             >
               <Icons.Plus /> Nuevo plan de estudios
-            </button>
+            </Button>
           </div>
 
           {/* Barra de Filtros */}
@@ -188,16 +189,17 @@ function RouteComponent() {
                   placeholder="Estado"
                 />
               </div>
-              <button
+              <Button
                 type="button"
+                variant="secondary"
                 onClick={resetFilters}
                 disabled={isClearDisabled}
-                className={`ring-offset-background bg-secondary text-secondary-foreground hover:bg-secondary/90 inline-flex h-9 items-center justify-center gap-2 rounded-md px-4 text-sm font-medium shadow-md transition-colors ${
+                className={`shadow-md ${
                   isClearDisabled ? 'cursor-not-allowed opacity-50' : ''
                 }`}
               >
                 <Icons.X className="h-4 w-4" /> Limpiar
-              </button>
+              </Button>
             </div>
           </div>