diff --git a/backend/app/routers/datarooms.py b/backend/app/routers/datarooms.py
new file mode 100644
index 0000000..e69de29
diff --git a/frontend/package-lock.json b/frontend/package-lock.json
index 45b6daa..c085b61 100644
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -15,6 +15,7 @@
         "@radix-ui/react-slot": "^1.2.3",
         "@radix-ui/react-switch": "^1.2.6",
         "@radix-ui/react-tabs": "^1.1.13",
+        "@radix-ui/react-tooltip": "^1.2.8",
         "class-variance-authority": "^0.7.1",
         "clsx": "^2.1.1",
         "lucide-react": "^0.543.0",
@@ -1932,6 +1933,58 @@
         }
       }
     },
+    "node_modules/@radix-ui/react-tooltip": {
+      "version": "1.2.8",
+      "resolved": "https://registry.npmjs.org/@radix-ui/react-tooltip/-/react-tooltip-1.2.8.tgz",
+      "integrity": "sha512-tY7sVt1yL9ozIxvmbtN5qtmH2krXcBCfjEiCgKGLqunJHvgvZG2Pcl2oQ3kbcZARb1BGEHdkLzcYGO8ynVlieg==",
+      "license": "MIT",
+      "dependencies": {
+        "@radix-ui/primitive": "1.1.3",
+        "@radix-ui/react-compose-refs": "1.1.2",
+        "@radix-ui/react-context": "1.1.2",
+        "@radix-ui/react-dismissable-layer": "1.1.11",
+        "@radix-ui/react-id": "1.1.1",
+        "@radix-ui/react-popper": "1.2.8",
+        "@radix-ui/react-portal": "1.1.9",
+        "@radix-ui/react-presence": "1.1.5",
+        "@radix-ui/react-primitive": "2.1.3",
+        "@radix-ui/react-slot": "1.2.3",
+        "@radix-ui/react-use-controllable-state": "1.2.2",
+        "@radix-ui/react-visually-hidden": "1.2.3"
+      },
+      "peerDependencies": {
+        "@types/react": "*",
+        "@types/react-dom": "*",
+        "react": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc",
+        "react-dom": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc"
+      },
+      "peerDependenciesMeta": {
+        "@types/react": {
+          "optional": true
+        },
+        "@types/react-dom": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/@radix-ui/react-tooltip/node_modules/@radix-ui/react-slot": {
+      "version": "1.2.3",
+      "resolved": "https://registry.npmjs.org/@radix-ui/react-slot/-/react-slot-1.2.3.tgz",
+      "integrity": "sha512-aeNmHnBxbi2St0au6VBVC7JXFlhLlOnvIIlePNniyUNAClzmtAUEY8/pBiK3iHjufOlwA+c20/8jngo7xcrg8A==",
+      "license": "MIT",
+      "dependencies": {
+        "@radix-ui/react-compose-refs": "1.1.2"
+      },
+      "peerDependencies": {
+        "@types/react": "*",
+        "react": "^16.8 || ^17.0 || ^18.0 || ^19.0 || ^19.0.0-rc"
+      },
+      "peerDependenciesMeta": {
+        "@types/react": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/@radix-ui/react-use-callback-ref": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/@radix-ui/react-use-callback-ref/-/react-use-callback-ref-1.1.1.tgz",
diff --git a/frontend/package.json b/frontend/package.json
index 3735414..2b66260 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -17,6 +17,7 @@
     "@radix-ui/react-slot": "^1.2.3",
     "@radix-ui/react-switch": "^1.2.6",
     "@radix-ui/react-tabs": "^1.1.13",
+    "@radix-ui/react-tooltip": "^1.2.8",
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
     "lucide-react": "^0.543.0",
diff --git a/frontend/src/components/Dashboard.tsx b/frontend/src/components/Dashboard.tsx
index c1eca7f..691f2b6 100644
--- a/frontend/src/components/Dashboard.tsx
+++ b/frontend/src/components/Dashboard.tsx
@@ -1,23 +1,27 @@
-import { useEffect, useState } from 'react'
-import { useFileStore } from '@/stores/fileStore'
-import { api } from '@/services/api'
-import { Button } from '@/components/ui/button'
-import { Input } from '@/components/ui/input'
+import { useEffect, useState } from "react";
+import { useFileStore } from "@/stores/fileStore";
+import { api } from "@/services/api";
+import { Button } from "@/components/ui/button";
+import { Input } from "@/components/ui/input";
+import { Tabs, TabsContent, TabsList, TabsTrigger } from "@/components/ui/tabs";
 import {
   Table,
   TableBody,
   TableCell,
   TableHead,
   TableHeader,
-  TableRow
-} from '@/components/ui/table'
-import { Checkbox } from '@/components/ui/checkbox'
-import { FileUpload } from './FileUpload'
-import { DeleteConfirmDialog } from './DeleteConfirmDialog'
-import { PDFPreviewModal } from './PDFPreviewModal'
-import { CollectionVerifier } from './CollectionVerifier'
-import { ChunkViewerModal } from './ChunkViewerModal'
-import { ChunkingConfigModalLandingAI, type LandingAIConfig } from './ChunkingConfigModalLandingAI'
+  TableRow,
+} from "@/components/ui/table";
+import { Checkbox } from "@/components/ui/checkbox";
+import { FileUpload } from "./FileUpload";
+import { DeleteConfirmDialog } from "./DeleteConfirmDialog";
+import { PDFPreviewModal } from "./PDFPreviewModal";
+import { CollectionVerifier } from "./CollectionVerifier";
+import { ChunkViewerModal } from "./ChunkViewerModal";
+import {
+  ChunkingConfigModalLandingAI,
+  type LandingAIConfig,
+} from "./ChunkingConfigModalLandingAI";
 import {
   Upload,
   Download,
@@ -26,11 +30,11 @@ import {
   FileText,
   Eye,
   MessageSquare,
-  Scissors
-} from 'lucide-react'
+  Scissors,
+} from "lucide-react";
 
 interface DashboardProps {
-  onProcessingChange?: (isProcessing: boolean) => void
+  onProcessingChange?: (isProcessing: boolean) => void;
 }
 
 export function Dashboard({ onProcessingChange }: DashboardProps = {}) {
@@ -43,451 +47,516 @@ export function Dashboard({ onProcessingChange }: DashboardProps = {}) {
     selectedFiles,
     toggleFileSelection,
     selectAllFiles,
-    clearSelection
-  } = useFileStore()
+    clearSelection,
+  } = useFileStore();
 
-  const [searchTerm, setSearchTerm] = useState('')
-  const [uploadDialogOpen, setUploadDialogOpen] = useState(false)
-  const [deleteDialogOpen, setDeleteDialogOpen] = useState(false)
-  const [fileToDelete, setFileToDelete] = useState<string | null>(null)
-  const [deleting, setDeleting] = useState(false)
-  const [downloading, setDownloading] = useState(false)
+  const [searchTerm, setSearchTerm] = useState("");
+  const [uploadDialogOpen, setUploadDialogOpen] = useState(false);
+  const [deleteDialogOpen, setDeleteDialogOpen] = useState(false);
+  const [fileToDelete, setFileToDelete] = useState<string | null>(null);
+  const [deleting, setDeleting] = useState(false);
+  const [downloading, setDownloading] = useState(false);
 
   // Estados para el modal de preview de PDF
-  const [previewModalOpen, setPreviewModalOpen] = useState(false)
-  const [previewFileUrl, setPreviewFileUrl] = useState<string | null>(null)
-  const [previewFileName, setPreviewFileName] = useState('')
-  const [previewFileTema, setPreviewFileTema] = useState<string | undefined>(undefined)
-  const [loadingPreview, setLoadingPreview] = useState(false)
+  const [previewModalOpen, setPreviewModalOpen] = useState(false);
+  const [previewFileUrl, setPreviewFileUrl] = useState<string | null>(null);
+  const [previewFileName, setPreviewFileName] = useState("");
+  const [previewFileTema, setPreviewFileTema] = useState<string | undefined>(
+    undefined,
+  );
+  const [loadingPreview, setLoadingPreview] = useState(false);
 
   // Estados para el modal de chunks
-  const [chunkViewerOpen, setChunkViewerOpen] = useState(false)
-  const [chunkFileName, setChunkFileName] = useState('')
-  const [chunkFileTema, setChunkFileTema] = useState('')
+  const [chunkViewerOpen, setChunkViewerOpen] = useState(false);
+  const [chunkFileName, setChunkFileName] = useState("");
+  const [chunkFileTema, setChunkFileTema] = useState("");
 
   // Estados para chunking
-  const [chunkingConfigOpen, setChunkingConfigOpen] = useState(false)
-  const [chunkingFileName, setChunkingFileName] = useState('')
-  const [chunkingFileTema, setChunkingFileTema] = useState('')
-  const [chunkingCollectionName, setChunkingCollectionName] = useState('')
-  const [processing, setProcessing] = useState(false)
+  const [chunkingConfigOpen, setChunkingConfigOpen] = useState(false);
+  const [chunkingFileName, setChunkingFileName] = useState("");
+  const [chunkingFileTema, setChunkingFileTema] = useState("");
+  const [chunkingCollectionName, setChunkingCollectionName] = useState("");
+  const [processing, setProcessing] = useState(false);
 
   useEffect(() => {
-    loadFiles()
-  }, [selectedTema])
+    loadFiles();
+  }, [selectedTema]);
 
   const loadFiles = async () => {
     try {
-      setLoading(true)
-      const response = await api.getFiles(selectedTema || undefined)
-      setFiles(response.files)
+      setLoading(true);
+      const response = await api.getFiles(selectedTema || undefined);
+      setFiles(response.files);
     } catch (error) {
-      console.error('Error loading files:', error)
+      console.error("Error loading files:", error);
     } finally {
-      setLoading(false)
+      setLoading(false);
     }
-  }
+  };
 
   const handleUploadSuccess = () => {
-    loadFiles()
-  }
+    loadFiles();
+  };
 
   // Eliminar archivo individual
   const handleDeleteSingle = async (filename: string) => {
-    setFileToDelete(filename)
-    setDeleteDialogOpen(true)
-  }
+    setFileToDelete(filename);
+    setDeleteDialogOpen(true);
+  };
 
   // Eliminar archivos seleccionados
   const handleDeleteMultiple = () => {
-    if (selectedFiles.size === 0) return
-    setFileToDelete(null)
-    setDeleteDialogOpen(true)
-  }
+    if (selectedFiles.size === 0) return;
+    setFileToDelete(null);
+    setDeleteDialogOpen(true);
+  };
 
   // Confirmar eliminación
   const confirmDelete = async () => {
-    if (!fileToDelete && selectedFiles.size === 0) return
+    if (!fileToDelete && selectedFiles.size === 0) return;
 
-    setDeleting(true)
+    setDeleting(true);
     try {
       if (fileToDelete) {
         // Eliminar archivo individual
-        await api.deleteFile(fileToDelete, selectedTema || undefined)
+        await api.deleteFile(fileToDelete, selectedTema || undefined);
       } else {
         // Eliminar archivos seleccionados
-        const filesToDelete = Array.from(selectedFiles)
-        await api.deleteFiles(filesToDelete, selectedTema || undefined)
-        clearSelection()
+        const filesToDelete = Array.from(selectedFiles);
+        await api.deleteFiles(filesToDelete, selectedTema || undefined);
+        clearSelection();
       }
 
       // Recargar archivos
-      await loadFiles()
-      setDeleteDialogOpen(false)
-      setFileToDelete(null)
+      await loadFiles();
+      setDeleteDialogOpen(false);
+      setFileToDelete(null);
     } catch (error) {
-      console.error('Error deleting files:', error)
+      console.error("Error deleting files:", error);
     } finally {
-      setDeleting(false)
+      setDeleting(false);
     }
-  }
+  };
 
   // Descargar archivo individual
   const handleDownloadSingle = async (filename: string) => {
     try {
-      setDownloading(true)
-      await api.downloadFile(filename, selectedTema || undefined)
+      setDownloading(true);
+      await api.downloadFile(filename, selectedTema || undefined);
     } catch (error) {
-      console.error('Error downloading file:', error)
+      console.error("Error downloading file:", error);
     } finally {
-      setDownloading(false)
+      setDownloading(false);
     }
-  }
+  };
 
   // Descargar archivos seleccionados
   const handleDownloadMultiple = async () => {
-    if (selectedFiles.size === 0) return
+    if (selectedFiles.size === 0) return;
 
     try {
-      setDownloading(true)
-      const filesToDownload = Array.from(selectedFiles)
-      const zipName = selectedTema ? `${selectedTema}_archivos` : 'archivos_seleccionados'
-      await api.downloadMultipleFiles(filesToDownload, selectedTema || undefined, zipName)
+      setDownloading(true);
+      const filesToDownload = Array.from(selectedFiles);
+      const zipName = selectedTema
+        ? `${selectedTema}_archivos`
+        : "archivos_seleccionados";
+      await api.downloadMultipleFiles(
+        filesToDownload,
+        selectedTema || undefined,
+        zipName,
+      );
     } catch (error) {
-      console.error('Error downloading files:', error)
+      console.error("Error downloading files:", error);
     } finally {
-      setDownloading(false)
+      setDownloading(false);
     }
-  }
+  };
 
   // Abrir preview de PDF
   const handlePreviewFile = async (filename: string, tema?: string) => {
     // Solo permitir preview de archivos PDF
-    if (!filename.toLowerCase().endsWith('.pdf')) {
-      console.log('Solo se pueden previsualizar archivos PDF')
-      return
+    if (!filename.toLowerCase().endsWith(".pdf")) {
+      console.log("Solo se pueden previsualizar archivos PDF");
+      return;
     }
 
     try {
-      setLoadingPreview(true)
-      setPreviewFileName(filename)
-      setPreviewFileTema(tema)
+      setLoadingPreview(true);
+      setPreviewFileName(filename);
+      setPreviewFileTema(tema);
 
       // Obtener la URL temporal (SAS) para el archivo
-      const url = await api.getPreviewUrl(filename, tema)
+      const url = await api.getPreviewUrl(filename, tema);
 
-      setPreviewFileUrl(url)
-      setPreviewModalOpen(true)
+      setPreviewFileUrl(url);
+      setPreviewModalOpen(true);
     } catch (error) {
-      console.error('Error obteniendo URL de preview:', error)
-      alert('Error al cargar la vista previa del archivo')
+      console.error("Error obteniendo URL de preview:", error);
+      alert("Error al cargar la vista previa del archivo");
     } finally {
-      setLoadingPreview(false)
+      setLoadingPreview(false);
     }
-  }
+  };
 
   // Manejar descarga desde el modal de preview
   const handleDownloadFromPreview = async () => {
     if (previewFileName) {
-      await handleDownloadSingle(previewFileName)
+      await handleDownloadSingle(previewFileName);
     }
-  }
+  };
 
   // Abrir modal de chunks
   const handleViewChunks = (filename: string, tema: string) => {
     if (!tema) {
-      alert('No hay tema seleccionado. Por favor selecciona un tema primero.')
-      return
+      alert("No hay tema seleccionado. Por favor selecciona un tema primero.");
+      return;
     }
-    setChunkFileName(filename)
-    setChunkFileTema(tema)
-    setChunkViewerOpen(true)
-  }
+    setChunkFileName(filename);
+    setChunkFileTema(tema);
+    setChunkViewerOpen(true);
+  };
 
   // Handlers para chunking
   const handleStartChunking = (filename: string, tema: string) => {
     if (!tema) {
-      alert('No hay tema seleccionado. Por favor selecciona un tema primero.')
-      return
+      alert("No hay tema seleccionado. Por favor selecciona un tema primero.");
+      return;
     }
-    setChunkingFileName(filename)
-    setChunkingFileTema(tema)
-    setChunkingCollectionName(tema) // Usar el tema como nombre de colección
-    setChunkingConfigOpen(true)
-  }
+    setChunkingFileName(filename);
+    setChunkingFileTema(tema);
+    setChunkingCollectionName(tema); // Usar el tema como nombre de colección
+    setChunkingConfigOpen(true);
+  };
 
   const handleProcessWithLandingAI = async (config: LandingAIConfig) => {
-    setProcessing(true)
-    onProcessingChange?.(true)
-    setChunkingConfigOpen(false)
+    setProcessing(true);
+    onProcessingChange?.(true);
+    setChunkingConfigOpen(false);
 
     try {
-      const result = await api.processWithLandingAI(config)
+      const result = await api.processWithLandingAI(config);
 
       // Mensaje  detallado
-      let message = `Completado\n\n`
-      message += `• Modo: ${result.mode === 'quick' ? 'Rápido' : 'Con Extracción'}\n`
-      message += `• Chunks procesados: ${result.total_chunks}\n`
-      message += `• Chunks agregados: ${result.chunks_added}\n`
-      message += `• Colección: ${result.collection_name}\n`
-      message += `• Tiempo: ${result.processing_time_seconds}s\n`
+      let message = `Completado\n\n`;
+      message += `• Modo: ${result.mode === "quick" ? "Rápido" : "Con Extracción"}\n`;
+      message += `• Chunks procesados: ${result.total_chunks}\n`;
+      message += `• Chunks agregados: ${result.chunks_added}\n`;
+      message += `• Colección: ${result.collection_name}\n`;
+      message += `• Tiempo: ${result.processing_time_seconds}s\n`;
 
       if (result.schema_used) {
-        message += `• Schema usado: ${result.schema_used}\n`
+        message += `• Schema usado: ${result.schema_used}\n`;
       }
 
       if (result.extracted_data) {
-        message += `\nDatos extraídos disponibles en metadata`
+        message += `\nDatos extraídos disponibles en metadata`;
       }
 
-      alert(message)
+      alert(message);
 
       // Recargar archivos
-      loadFiles()
+      loadFiles();
     } catch (error: any) {
-      console.error('Error processing with LandingAI:', error)
-      alert(`❌ Error: ${error.message}`)
+      console.error("Error processing with LandingAI:", error);
+      alert(`❌ Error: ${error.message}`);
     } finally {
-      setProcessing(false)
-      onProcessingChange?.(false)
+      setProcessing(false);
+      onProcessingChange?.(false);
     }
-  }
+  };
 
-  const filteredFiles = files.filter(file =>
-    file.name.toLowerCase().includes(searchTerm.toLowerCase())
-  )
+  const filteredFiles = files.filter((file) =>
+    file.name.toLowerCase().includes(searchTerm.toLowerCase()),
+  );
+  const totalFiles = files.length;
 
   const formatFileSize = (bytes: number) => {
-    if (bytes === 0) return '0 Bytes'
-    const k = 1024
-    const sizes = ['Bytes', 'KB', 'MB', 'GB']
-    const i = Math.floor(Math.log(bytes) / Math.log(k))
-    return parseFloat((bytes / Math.pow(k, i)).toFixed(2)) + ' ' + sizes[i]
-  }
+    if (bytes === 0) return "0 Bytes";
+    const k = 1024;
+    const sizes = ["Bytes", "KB", "MB", "GB"];
+    const i = Math.floor(Math.log(bytes) / Math.log(k));
+    return parseFloat((bytes / Math.pow(k, i)).toFixed(2)) + " " + sizes[i];
+  };
 
   const formatDate = (dateString: string) => {
-    return new Date(dateString).toLocaleDateString('es-ES', {
-      year: 'numeric',
-      month: 'short',
-      day: 'numeric',
-      hour: '2-digit',
-      minute: '2-digit'
-    })
-  }
+    return new Date(dateString).toLocaleDateString("es-ES", {
+      year: "numeric",
+      month: "short",
+      day: "numeric",
+      hour: "2-digit",
+      minute: "2-digit",
+    });
+  };
 
   // Preparar datos para el modal de confirmación
   const getDeleteDialogProps = () => {
     if (fileToDelete) {
       return {
-        title: 'Eliminar archivo',
+        title: "Eliminar archivo",
         description: `¿Estás seguro de que quieres eliminar "${fileToDelete}"? Esta acción no se puede deshacer.`,
-        fileList: [fileToDelete]
-      }
+        fileList: [fileToDelete],
+      };
     } else {
-      const filesToDelete = Array.from(selectedFiles)
+      const filesToDelete = Array.from(selectedFiles);
       return {
         title: `Eliminar ${filesToDelete.length} archivos`,
-        description: `¿Estás seguro de que quieres eliminar ${filesToDelete.length} archivo${filesToDelete.length !== 1 ? 's' : ''}? Esta acción no se puede deshacer.`,
-        fileList: filesToDelete
-      }
+        description: `¿Estás seguro de que quieres eliminar ${filesToDelete.length} archivo${filesToDelete.length !== 1 ? "s" : ""}? Esta acción no se puede deshacer.`,
+        fileList: filesToDelete,
+      };
     }
-  }
+  };
 
   return (
     <div className="flex flex-col h-full bg-white">
-      {/* Processing Banner */}
-      {processing && (
-        <div className="bg-blue-50 border-b border-blue-200 px-6 py-3">
-          <div className="flex items-center justify-center gap-3">
-            <div className="animate-spin rounded-full h-4 w-4 border-b-2 border-blue-600"></div>
-            <p className="text-sm font-medium text-blue-900">
-              Procesando archivo con LandingAI... Por favor no navegues ni realices otras acciones.
-            </p>
-          </div>
-        </div>
-      )}
-
-      {/* Header */}
-      <div className="border-b border-gray-200 p-6">
-        <div className="flex items-center justify-between mb-4">
+      <div className="border-b border-gray-200 px-6 py-4">
+        <div className="flex flex-wrap items-center justify-between gap-4">
           <div>
             <h2 className="text-2xl font-semibold text-gray-900">
-              {selectedTema ? `Tema: ${selectedTema}` : 'Todos los archivos'}
+              {selectedTema
+                ? `Tema actual: ${selectedTema}`
+                : "Todos los archivos"}
             </h2>
-            <p className="text-sm text-gray-600 mt-1">
-              {filteredFiles.length} archivo{filteredFiles.length !== 1 ? 's' : ''}
+            <p className="mt-1 text-sm text-gray-600">
+              {totalFiles} archivo{totalFiles !== 1 ? "s" : ""}
             </p>
           </div>
-          
-          <div className="flex gap-2">
-            <Button onClick={() => setUploadDialogOpen(true)} disabled={processing}>
-              <Upload className="w-4 h-4 mr-2" />
-              Subir archivo
-            </Button>
-          </div>
         </div>
-
-        {/* Search and Actions */}
-        <div className="flex items-center gap-4">
-          <div className="relative flex-1 max-w-sm">
-            <Search className="absolute left-3 top-1/2 transform -translate-y-1/2 text-gray-400 w-4 h-4" />
-            <Input
-              placeholder="Buscar archivos..."
-              value={searchTerm}
-              onChange={(e) => setSearchTerm(e.target.value)}
-              className="pl-10"
-              disabled={processing}
-            />
+      </div>
+      <Tabs defaultValue="files" className="flex flex-col flex-1">
+        <div className="border-b border-gray-200 px-6 py-2">
+          <TabsList className="flex h-10 items-center gap-2 bg-transparent p-0 justify-start">
+            <TabsTrigger
+              value="dashboard"
+              className="rounded-md px-4 py-2 text-sm font-medium text-gray-600 transition data-[state=active]:bg-black data-[state=active]:text-white data-[state=active]:shadow-lg data-[state=active]:ring-0 data-[state=active]:shadow-black/30"
+            >
+              Dashboard
+            </TabsTrigger>
+            <TabsTrigger
+              value="files"
+              className="rounded-md px-4 py-2 text-sm font-medium text-gray-600 transition data-[state=active]:bg-black data-[state=active]:text-white data-[state=active]:shadow-lg data-[state=active]:ring-0 data-[state=active]:shadow-black/30"
+            >
+              Files
+            </TabsTrigger>
+            <TabsTrigger
+              value="chat"
+              className="rounded-md px-4 py-2 text-sm font-medium text-gray-600 transition data-[state=active]:bg-black data-[state=active]:text-white data-[state=active]:shadow-lg data-[state=active]:ring-0 data-[state=active]:shadow-black/30"
+            >
+              Chat
+            </TabsTrigger>
+          </TabsList>
+        </div>
+        <TabsContent value="dashboard" className="mt-0 flex-1">
+          <div className="p-6 text-sm text-gray-500">
+            Este panel se llenará con métricas generales próximamente.
           </div>
-
-          {selectedFiles.size > 0 && (
-            <div className="flex gap-2">
-              <Button
-                variant="outline"
-                size="sm"
-                onClick={handleDownloadMultiple}
-                disabled={downloading || processing}
-              >
-                <Download className="w-4 h-4 mr-2" />
-                {downloading ? 'Descargando...' : `Descargar (${selectedFiles.size})`}
-              </Button>
-              <Button
-                variant="outline"
-                size="sm"
-                onClick={handleDeleteMultiple}
-                disabled={processing}
-              >
-                <Trash2 className="w-4 h-4 mr-2" />
-                Eliminar ({selectedFiles.size})
-              </Button>
+        </TabsContent>
+        <TabsContent value="files" className="mt-0 flex flex-1 flex-col">
+          {processing && (
+            <div className="bg-blue-50 border-b border-blue-200 px-6 py-3">
+              <div className="flex items-center justify-center gap-3">
+                <div className="animate-spin rounded-full h-4 w-4 border-b-2 border-blue-600"></div>
+                <p className="text-sm font-medium text-blue-900">
+                  Procesando archivo con LandingAI... Por favor no navegues ni
+                  realices otras acciones.
+                </p>
+              </div>
             </div>
           )}
-        </div>
-      </div>
 
-      {/* Table */}
-      <div className="flex-1 overflow-auto">
-        {loading ? (
-          <div className="flex items-center justify-center h-64">
-            <p className="text-gray-500">Cargando archivos...</p>
-          </div>
-        ) : filteredFiles.length === 0 ? (
-          <div className="flex flex-col items-center justify-center h-64">
-            <FileText className="w-12 h-12 text-gray-400 mb-4" />
-            <p className="text-gray-500">
-              {searchTerm ? 'No se encontraron archivos' : 'No hay archivos en este tema'}
-            </p>
-          </div>
-        ) : (
-          <Table>
-            <TableHeader>
-              <TableRow>
-                <TableHead className="w-12">
-                  <Checkbox
-                    checked={selectedFiles.size === filteredFiles.length && filteredFiles.length > 0}
-                    onCheckedChange={(checked: boolean) => {
-                      if (checked) {
-                        selectAllFiles()
-                      } else {
-                        clearSelection()
-                      }
-                    }}
-                  />
-                </TableHead>
-                <TableHead>Nombre</TableHead>
-                <TableHead>Tamaño</TableHead>
-                <TableHead>Fecha</TableHead>
-                <TableHead>Tema</TableHead>
-                <TableHead className="w-32">Acciones</TableHead>
-              </TableRow>
-            </TableHeader>
-            <TableBody>
-              {filteredFiles.map((file) => {
-                const isPDF = file.name.toLowerCase().endsWith('.pdf')
+          <div className="border-b border-gray-200 px-6 py-4">
+            <div className="flex flex-col gap-4 md:flex-row md:items-center md:justify-between">
+              <div className="relative w-full md:max-w-sm">
+                <Search className="absolute left-3 top-1/2 transform -translate-y-1/2 text-gray-400 w-4 h-4" />
+                <Input
+                  placeholder="Buscar archivos..."
+                  value={searchTerm}
+                  onChange={(e) => setSearchTerm(e.target.value)}
+                  className="pl-10"
+                  disabled={processing}
+                />
+              </div>
 
-                return (
-                  <TableRow key={file.full_path}>
-                    <TableCell>
+              <div className="flex w-full items-center justify-between gap-2 md:w-auto md:justify-end">
+                {selectedFiles.size > 0 && (
+                  <>
+                    <Button
+                      variant="outline"
+                      size="sm"
+                      onClick={handleDownloadMultiple}
+                      disabled={downloading || processing}
+                    >
+                      <Download className="w-4 h-4 mr-2" />
+                      {downloading
+                        ? "Descargando..."
+                        : `Descargar (${selectedFiles.size})`}
+                    </Button>
+                    <Button
+                      variant="outline"
+                      size="sm"
+                      onClick={handleDeleteMultiple}
+                      disabled={processing}
+                    >
+                      <Trash2 className="w-4 h-4 mr-2" />
+                      Eliminar ({selectedFiles.size})
+                    </Button>
+                  </>
+                )}
+
+                <Button
+                  onClick={() => setUploadDialogOpen(true)}
+                  disabled={processing}
+                >
+                  <Upload className="w-4 h-4 mr-2" />
+                  Subir archivo
+                </Button>
+              </div>
+            </div>
+          </div>
+
+          <div className="flex-1 overflow-auto">
+            {loading ? (
+              <div className="flex items-center justify-center h-64">
+                <p className="text-gray-500">Cargando archivos...</p>
+              </div>
+            ) : filteredFiles.length === 0 ? (
+              <div className="flex flex-col items-center justify-center h-64">
+                <FileText className="w-12 h-12 text-gray-400 mb-4" />
+                <p className="text-gray-500">
+                  {searchTerm
+                    ? "No se encontraron archivos"
+                    : "No hay archivos en este tema"}
+                </p>
+              </div>
+            ) : (
+              <Table>
+                <TableHeader>
+                  <TableRow>
+                    <TableHead className="w-12">
                       <Checkbox
-                        checked={selectedFiles.has(file.name)}
-                        onCheckedChange={() => toggleFileSelection(file.name)}
+                        checked={
+                          selectedFiles.size === filteredFiles.length &&
+                          filteredFiles.length > 0
+                        }
+                        onCheckedChange={(checked: boolean) => {
+                          if (checked) {
+                            selectAllFiles();
+                          } else {
+                            clearSelection();
+                          }
+                        }}
                       />
-                    </TableCell>
-                    <TableCell className="font-medium">
-                      {isPDF ? (
-                        <button
-                          onClick={() => handlePreviewFile(file.name, file.tema || undefined)}
-                          className="text-blue-600 hover:text-blue-800 hover:underline text-left transition-colors"
-                          disabled={loadingPreview}
-                        >
-                          {file.name}
-                        </button>
-                      ) : (
-                        <span>{file.name}</span>
-                      )}
-                    </TableCell>
-                    <TableCell>{formatFileSize(file.size)}</TableCell>
-                    <TableCell>{formatDate(file.last_modified)}</TableCell>
-                    <TableCell>
-                      <span className="px-2 py-1 bg-gray-100 rounded-md text-sm">
-                        {file.tema || 'General'}
-                      </span>
-                    </TableCell>
-                    <TableCell>
-                      <div className="flex gap-1">
-                        <Button
-                          variant="ghost"
-                          size="sm"
-                          onClick={() => handleDownloadSingle(file.name)}
-                          disabled={downloading}
-                          title="Descargar archivo"
-                        >
-                          <Download className="w-4 h-4" />
-                        </Button>
-                        <Button
-                          variant="ghost"
-                          size="sm"
-                          title="Procesar con chunking"
-                          onClick={() => handleStartChunking(file.name, file.tema)}
-                        >
-                          <Scissors className="w-4 h-4" />
-                        </Button>
-                        <Button
-                          variant="ghost"
-                          size="sm"
-                          title="Ver chunks"
-                          onClick={() => handleViewChunks(file.name, file.tema)}
-                        >
-                          <Eye className="w-4 h-4" />
-                        </Button>
-                        <Button
-                          variant="ghost"
-                          size="sm"
-                          title="Generar preguntas"
-                        >
-                          <MessageSquare className="w-4 h-4" />
-                        </Button>
-                        <Button
-                          variant="ghost"
-                          size="sm"
-                          onClick={() => handleDeleteSingle(file.name)}
-                          title="Eliminar archivo"
-                        >
-                          <Trash2 className="w-4 h-4" />
-                        </Button>
-                      </div>
-                    </TableCell>
+                    </TableHead>
+                    <TableHead>Nombre</TableHead>
+                    <TableHead>Tamaño</TableHead>
+                    <TableHead>Fecha</TableHead>
+                    <TableHead>Tema</TableHead>
+                    <TableHead className="w-32">Acciones</TableHead>
                   </TableRow>
-                )
-              })}
-            </TableBody>
-          </Table>
-        )}
-      </div>
+                </TableHeader>
+                <TableBody>
+                  {filteredFiles.map((file) => {
+                    const isPDF = file.name.toLowerCase().endsWith(".pdf");
 
+                    return (
+                      <TableRow key={file.full_path}>
+                        <TableCell>
+                          <Checkbox
+                            checked={selectedFiles.has(file.name)}
+                            onCheckedChange={() =>
+                              toggleFileSelection(file.name)
+                            }
+                          />
+                        </TableCell>
+                        <TableCell className="font-medium">
+                          {isPDF ? (
+                            <button
+                              onClick={() =>
+                                handlePreviewFile(
+                                  file.name,
+                                  file.tema || undefined,
+                                )
+                              }
+                              className="text-blue-600 hover:text-blue-800 hover:underline text-left transition-colors"
+                              disabled={loadingPreview}
+                            >
+                              {file.name}
+                            </button>
+                          ) : (
+                            <span>{file.name}</span>
+                          )}
+                        </TableCell>
+                        <TableCell>{formatFileSize(file.size)}</TableCell>
+                        <TableCell>{formatDate(file.last_modified)}</TableCell>
+                        <TableCell>
+                          <span className="px-2 py-1 bg-gray-100 rounded-md text-sm">
+                            {file.tema || "General"}
+                          </span>
+                        </TableCell>
+                        <TableCell>
+                          <div className="flex gap-1">
+                            <Button
+                              variant="ghost"
+                              size="sm"
+                              onClick={() => handleDownloadSingle(file.name)}
+                              disabled={downloading}
+                              title="Descargar archivo"
+                            >
+                              <Download className="w-4 h-4" />
+                            </Button>
+                            <Button
+                              variant="ghost"
+                              size="sm"
+                              title="Procesar con chunking"
+                              onClick={() =>
+                                handleStartChunking(file.name, file.tema)
+                              }
+                            >
+                              <Scissors className="w-4 h-4" />
+                            </Button>
+                            <Button
+                              variant="ghost"
+                              size="sm"
+                              title="Ver chunks"
+                              onClick={() =>
+                                handleViewChunks(file.name, file.tema)
+                              }
+                            >
+                              <Eye className="w-4 h-4" />
+                            </Button>
+                            <Button
+                              variant="ghost"
+                              size="sm"
+                              title="Generar preguntas"
+                            >
+                              <MessageSquare className="w-4 h-4" />
+                            </Button>
+                            <Button
+                              variant="ghost"
+                              size="sm"
+                              onClick={() => handleDeleteSingle(file.name)}
+                              title="Eliminar archivo"
+                            >
+                              <Trash2 className="w-4 h-4" />
+                            </Button>
+                          </div>
+                        </TableCell>
+                      </TableRow>
+                    );
+                  })}
+                </TableBody>
+              </Table>
+            )}
+          </div>
+        </TabsContent>
+        <TabsContent value="chat" className="mt-0 flex-1">
+          <div className="p-6 text-sm text-gray-500">
+            El chat estará disponible próximamente.
+          </div>
+        </TabsContent>
+      </Tabs>
       {/* Upload Dialog */}
-      <FileUpload 
-        open={uploadDialogOpen} 
+      <FileUpload
+        open={uploadDialogOpen}
         onOpenChange={setUploadDialogOpen}
         onSuccess={handleUploadSuccess}
       />
@@ -514,7 +583,7 @@ export function Dashboard({ onProcessingChange }: DashboardProps = {}) {
       <CollectionVerifier
         tema={selectedTema}
         onVerified={(exists) => {
-          console.log(`Collection ${selectedTema} exists: ${exists}`)
+          console.log(`Collection ${selectedTema} exists: ${exists}`);
         }}
       />
 
@@ -536,5 +605,5 @@ export function Dashboard({ onProcessingChange }: DashboardProps = {}) {
         onProcess={handleProcessWithLandingAI}
       />
     </div>
-  )
-}
\ No newline at end of file
+  );
+}
diff --git a/frontend/src/components/Layout.tsx b/frontend/src/components/Layout.tsx
index a88360c..85cb547 100644
--- a/frontend/src/components/Layout.tsx
+++ b/frontend/src/components/Layout.tsx
@@ -5,11 +5,13 @@ import { Menu } from 'lucide-react'
 import { Sidebar } from './Sidebar'
 import { Dashboard } from './Dashboard'
 import { SchemaManagement } from '@/pages/SchemaManagement'
+import { cn } from '@/lib/utils'
 
 type View = 'dashboard' | 'schemas'
 
 export function Layout() {
   const [sidebarOpen, setSidebarOpen] = useState(false)
+  const [isSidebarCollapsed, setIsSidebarCollapsed] = useState(false)
   const [currentView, setCurrentView] = useState<View>('dashboard')
   const [isProcessing, setIsProcessing] = useState(false)
 
@@ -33,19 +35,37 @@ export function Layout() {
   return (
     <div className="h-screen flex bg-gray-50">
       {/* Desktop Sidebar */}
-      <div className="hidden md:flex md:w-64 md:flex-col">
-        <Sidebar onNavigateToSchemas={handleNavigateToSchemas} disabled={isProcessing} />
+      <div
+        className={cn(
+          'hidden md:flex md:flex-col transition-all duration-300',
+          isSidebarCollapsed ? 'md:w-20' : 'md:w-64'
+        )}
+      >
+        <Sidebar
+          onNavigateToSchemas={handleNavigateToSchemas}
+          disabled={isProcessing}
+          collapsed={isSidebarCollapsed}
+          onToggleCollapse={() => setIsSidebarCollapsed((prev) => !prev)}
+        />
       </div>
 
       {/* Mobile Sidebar */}
       <Sheet open={sidebarOpen} onOpenChange={setSidebarOpen}>
         <SheetTrigger asChild>
-          <Button variant="ghost" size="icon" className="md:hidden fixed top-4 left-4 z-40" disabled={isProcessing}>
+          <Button
+            variant="ghost"
+            size="icon"
+            className="md:hidden fixed top-4 left-4 z-40"
+            disabled={isProcessing}
+          >
             <Menu className="h-6 w-6" />
           </Button>
         </SheetTrigger>
         <SheetContent side="left" className="w-64 p-0">
-          <Sidebar onNavigateToSchemas={handleNavigateToSchemas} disabled={isProcessing} />
+          <Sidebar
+            onNavigateToSchemas={handleNavigateToSchemas}
+            disabled={isProcessing}
+          />
         </SheetContent>
       </Sheet>
 
@@ -66,4 +86,4 @@ export function Layout() {
       </div>
     </div>
   )
-}
\ No newline at end of file
+}
diff --git a/frontend/src/components/Sidebar.tsx b/frontend/src/components/Sidebar.tsx
index dbbb2a2..d0cb243 100644
--- a/frontend/src/components/Sidebar.tsx
+++ b/frontend/src/components/Sidebar.tsx
@@ -1,172 +1,296 @@
-import { useEffect, useState } from 'react'
-import { useFileStore } from '@/stores/fileStore'
-import { api } from '@/services/api'
-import { Button } from '@/components/ui/button'
-import { FolderIcon, FileText, Trash2, Database } from 'lucide-react'
+import { useEffect, useState, type ReactElement } from "react";
+import { useFileStore } from "@/stores/fileStore";
+import { api } from "@/services/api";
+import { Button } from "@/components/ui/button";
+import {
+  FolderIcon,
+  FileText,
+  Trash2,
+  Database,
+  ChevronLeft,
+  ChevronRight,
+  RefreshCcw,
+} from "lucide-react";
+import { cn } from "@/lib/utils";
+import {
+  Tooltip,
+  TooltipContent,
+  TooltipProvider,
+  TooltipTrigger,
+} from "@/components/ui/tooltip";
 
 interface SidebarProps {
-  onNavigateToSchemas?: () => void
-  disabled?: boolean
+  onNavigateToSchemas?: () => void;
+  disabled?: boolean;
+  collapsed?: boolean;
+  onToggleCollapse?: () => void;
 }
 
-export function Sidebar({ onNavigateToSchemas, disabled = false }: SidebarProps = {}) {
+export function Sidebar({
+  onNavigateToSchemas,
+  disabled = false,
+  collapsed = false,
+  onToggleCollapse,
+}: SidebarProps = {}) {
   const {
     temas,
     selectedTema,
     setTemas,
     setSelectedTema,
     loading,
-    setLoading
-  } = useFileStore()
+    setLoading,
+  } = useFileStore();
 
-  const [deletingTema, setDeletingTema] = useState<string | null>(null)
+  const [deletingTema, setDeletingTema] = useState<string | null>(null);
+
+  const renderWithTooltip = (label: string, element: ReactElement) => {
+    if (!collapsed) {
+      return element;
+    }
+
+    return (
+      <Tooltip>
+        <TooltipTrigger asChild>{element}</TooltipTrigger>
+        <TooltipContent side="right" sideOffset={8}>
+          {label}
+        </TooltipContent>
+      </Tooltip>
+    );
+  };
 
   useEffect(() => {
-    loadTemas()
-  }, [])
+    loadTemas();
+  }, []);
 
   const loadTemas = async () => {
     try {
-      setLoading(true)
-      const response = await api.getTemas()
-      setTemas(response.temas)
+      setLoading(true);
+      const response = await api.getTemas();
+      setTemas(response.temas);
     } catch (error) {
-      console.error('Error loading temas:', error)
+      console.error("Error loading temas:", error);
     } finally {
-      setLoading(false)
+      setLoading(false);
     }
-  }
+  };
 
   const handleTemaSelect = (tema: string | null) => {
-    setSelectedTema(tema)
-  }
+    setSelectedTema(tema);
+  };
 
-  const handleDeleteTema = async (tema: string, e: React.MouseEvent<HTMLButtonElement>) => {
-    e.stopPropagation() // Evitar que se seleccione el tema al hacer clic en el icono
+  const handleDeleteTema = async (
+    tema: string,
+    e: React.MouseEvent<HTMLButtonElement>,
+  ) => {
+    e.stopPropagation(); // Evitar que se seleccione el tema al hacer clic en el icono
 
     const confirmed = window.confirm(
       `¿Estás seguro de que deseas eliminar el tema "${tema}"?\n\n` +
-      `Esto eliminará:\n` +
-      `• Todos los archivos del tema en Azure Blob Storage\n` +
-      `• La colección "${tema}" en Qdrant (si existe)\n\n` +
-      `Esta acción no se puede deshacer.`
-    )
+        `Esto eliminará:\n` +
+        `• Todos los archivos del tema en Azure Blob Storage\n` +
+        `• La colección "${tema}" en Qdrant (si existe)\n\n` +
+        `Esta acción no se puede deshacer.`,
+    );
 
-    if (!confirmed) return
+    if (!confirmed) return;
 
     try {
-      setDeletingTema(tema)
+      setDeletingTema(tema);
 
       // 1. Eliminar todos los archivos del tema en Azure Blob Storage
-      await api.deleteTema(tema)
+      await api.deleteTema(tema);
 
       // 2. Intentar eliminar la colección en Qdrant (si existe)
       try {
-        const collectionExists = await api.checkCollectionExists(tema)
+        const collectionExists = await api.checkCollectionExists(tema);
         if (collectionExists.exists) {
-          await api.deleteCollection(tema)
-          console.log(`Colección "${tema}" eliminada de Qdrant`)
+          await api.deleteCollection(tema);
+          console.log(`Colección "${tema}" eliminada de Qdrant`);
         }
       } catch (error) {
-        console.warn(`No se pudo eliminar la colección "${tema}" de Qdrant:`, error)
+        console.warn(
+          `No se pudo eliminar la colección "${tema}" de Qdrant:`,
+          error,
+        );
         // Continuar aunque falle la eliminación de la colección
       }
 
       // 3. Actualizar la lista de temas
-      await loadTemas()
+      await loadTemas();
 
       // 4. Si el tema eliminado estaba seleccionado, deseleccionar
       if (selectedTema === tema) {
-        setSelectedTema(null)
+        setSelectedTema(null);
       }
-
     } catch (error) {
-      console.error(`Error eliminando tema "${tema}":`, error)
-      alert(`Error al eliminar el tema: ${error instanceof Error ? error.message : 'Error desconocido'}`)
+      console.error(`Error eliminando tema "${tema}":`, error);
+      alert(
+        `Error al eliminar el tema: ${error instanceof Error ? error.message : "Error desconocido"}`,
+      );
     } finally {
-      setDeletingTema(null)
+      setDeletingTema(null);
     }
-  }
+  };
 
   return (
-    <div className="bg-white border-r border-gray-200 flex flex-col h-full">
-      {/* Header */}
-      <div className="p-6 border-b border-gray-200">
-        <h1 className="text-xl font-semibold text-gray-900 flex items-center gap-2">
-          <FileText className="h-6 w-6" />
-          DoRa Luma
-        </h1>
-      </div>
-
-      {/* Temas List */}
-      <div className="flex-1 overflow-y-auto p-4">
-        <div className="space-y-1">
-          <h2 className="text-sm font-medium text-gray-500 mb-3">Collections</h2>
-          
-          {/* Todos los archivos */}
-          <Button
-            variant={selectedTema === null ? "secondary" : "ghost"}
-            className="w-full justify-start"
-            onClick={() => handleTemaSelect(null)}
-            disabled={disabled}
+    <TooltipProvider delayDuration={100}>
+      <div className="bg-white border-r border-gray-200 flex flex-col h-full transition-[width] duration-300">
+        {/* Header */}
+        <div
+          className={cn(
+            "border-b border-gray-200 flex items-center gap-3",
+            collapsed ? "p-4" : "p-6",
+          )}
+        >
+          <div
+            className={cn(
+              "flex items-center gap-2 text-gray-900 flex-1",
+              collapsed ? "justify-center" : "justify-start",
+            )}
           >
-            <FolderIcon className="mr-2 h-4 w-4" />
-            Todos los archivos
-          </Button>
+            <FileText className="h-6 w-6" />
+            {!collapsed && <h1 className="text-xl font-semibold">DoRa Luma</h1>}
+          </div>
+          {onToggleCollapse && (
+            <Button
+              variant="ghost"
+              size="icon"
+              className="text-gray-500 hover:text-gray-900"
+              onClick={onToggleCollapse}
+              disabled={disabled}
+              aria-label={
+                collapsed ? "Expandir barra lateral" : "Contraer barra lateral"
+              }
+            >
+              {collapsed ? (
+                <ChevronRight className="h-4 w-4" />
+              ) : (
+                <ChevronLeft className="h-4 w-4" />
+              )}
+            </Button>
+          )}
+        </div>
 
-          {/* Lista de temas */}
-          {loading ? (
-            <div className="text-sm text-gray-500 px-3 py-2">Cargando...</div>
-          ) : (
-            temas.map((tema) => (
-              <div key={tema} className="relative group">
-                <Button
-                  variant={selectedTema === tema ? "secondary" : "ghost"}
-                  className="w-full justify-start pr-10"
-                  onClick={() => handleTemaSelect(tema)}
-                  disabled={deletingTema === tema || disabled}
-                >
-                  <FolderIcon className="mr-2 h-4 w-4" />
-                  {tema}
-                </Button>
-                <button
-                  onClick={(e) => handleDeleteTema(tema, e)}
-                  disabled={deletingTema === tema || disabled}
-                  className="absolute right-2 top-1/2 -translate-y-1/2 p-1.5 rounded hover:bg-red-100 opacity-0 group-hover:opacity-100 transition-opacity disabled:opacity-50"
-                  title="Eliminar tema y colección"
-                >
-                  <Trash2 className="h-4 w-4 text-red-600" />
-                </button>
+        {/* Temas List */}
+        <div className={cn("flex-1 overflow-y-auto p-4", collapsed && "px-2")}>
+          <div className="space-y-1">
+            <h2
+              className={cn(
+                "text-sm font-medium text-gray-500 mb-3",
+                collapsed && "text-xs text-center",
+              )}
+            >
+              {collapsed ? "Coll." : "Collections"}
+            </h2>
+
+            {/* Todos los archivos */}
+            {renderWithTooltip(
+              "Todos los archivos",
+              <Button
+                variant={selectedTema === null ? "secondary" : "ghost"}
+                className={cn(
+                  "w-full justify-start",
+                  collapsed && "px-0 justify-center",
+                )}
+                onClick={() => handleTemaSelect(null)}
+                disabled={disabled}
+              >
+                <FolderIcon className={cn("h-4 w-4", !collapsed && "mr-2")} />
+                <span className={cn("truncate", collapsed && "sr-only")}>
+                  Todos los archivos
+                </span>
+              </Button>,
+            )}
+
+            {/* Lista de temas */}
+            {loading ? (
+              <div className="text-sm text-gray-500 px-3 py-2 text-center">
+                {collapsed ? "..." : "Cargando..."}
               </div>
-            ))
+            ) : (
+              temas.map((tema) => (
+                <div key={tema} className="relative group">
+                  {renderWithTooltip(
+                    tema,
+                    <Button
+                      variant={selectedTema === tema ? "secondary" : "ghost"}
+                      className={cn(
+                        "w-full justify-start",
+                        collapsed ? "px-0 justify-center" : "pr-10",
+                      )}
+                      onClick={() => handleTemaSelect(tema)}
+                      disabled={deletingTema === tema || disabled}
+                    >
+                      <FolderIcon
+                        className={cn("h-4 w-4", !collapsed && "mr-2")}
+                      />
+                      <span className={cn("truncate", collapsed && "sr-only")}>
+                        {tema}
+                      </span>
+                    </Button>,
+                  )}
+                  {!collapsed && (
+                    <button
+                      onClick={(e) => handleDeleteTema(tema, e)}
+                      disabled={deletingTema === tema || disabled}
+                      className="absolute right-2 top-1/2 -translate-y-1/2 p-1.5 rounded hover:bg-red-100 opacity-0 group-hover:opacity-100 transition-opacity disabled:opacity-50"
+                      title="Eliminar tema y colección"
+                    >
+                      <Trash2 className="h-4 w-4 text-red-600" />
+                    </button>
+                  )}
+                </div>
+              ))
+            )}
+          </div>
+        </div>
+
+        {/* Footer */}
+        <div
+          className={cn(
+            "p-4 border-t border-gray-200 space-y-2",
+            collapsed && "flex flex-col items-center gap-2",
+          )}
+        >
+          {onNavigateToSchemas &&
+            renderWithTooltip(
+              "Gestionar Schemas",
+              <Button
+                variant="default"
+                size="sm"
+                onClick={onNavigateToSchemas}
+                disabled={disabled}
+                className={cn(
+                  "w-full justify-start",
+                  collapsed && "px-0 justify-center",
+                )}
+              >
+                <Database className={cn("h-4 w-4", !collapsed && "mr-2")} />
+                <span className={cn(collapsed && "sr-only")}>
+                  Gestionar Schemas
+                </span>
+              </Button>,
+            )}
+          {renderWithTooltip(
+            "Actualizar temas",
+            <Button
+              variant="outline"
+              size="sm"
+              onClick={loadTemas}
+              disabled={loading || disabled}
+              className={cn(
+                "w-full justify-start",
+                collapsed && "px-0 justify-center",
+              )}
+            >
+              <RefreshCcw className={cn("mr-2 h-4 w-4", collapsed && "mr-0")} />
+              <span className={cn(collapsed && "sr-only")}>
+                Actualizar temas
+              </span>
+            </Button>,
           )}
         </div>
       </div>
-
-      {/* Footer */}
-      <div className="p-4 border-t border-gray-200 space-y-2">
-        {onNavigateToSchemas && (
-          <Button
-            variant="default"
-            size="sm"
-            onClick={onNavigateToSchemas}
-            disabled={disabled}
-            className="w-full"
-          >
-            <Database className="mr-2 h-4 w-4" />
-            Gestionar Schemas
-          </Button>
-        )}
-        <Button
-          variant="outline"
-          size="sm"
-          onClick={loadTemas}
-          disabled={loading || disabled}
-          className="w-full"
-        >
-          Actualizar temas
-        </Button>
-      </div>
-    </div>
-  )
-}
\ No newline at end of file
+    </TooltipProvider>
+  );
+}
diff --git a/frontend/src/components/ui/tooltip.tsx b/frontend/src/components/ui/tooltip.tsx
new file mode 100644
index 0000000..99ad630
--- /dev/null
+++ b/frontend/src/components/ui/tooltip.tsx
@@ -0,0 +1,30 @@
+import * as React from "react"
+import * as TooltipPrimitive from "@radix-ui/react-tooltip"
+
+import { cn } from "@/lib/utils"
+
+const TooltipProvider = TooltipPrimitive.Provider
+
+const Tooltip = TooltipPrimitive.Root
+
+const TooltipTrigger = TooltipPrimitive.Trigger
+
+const TooltipContent = React.forwardRef<
+  React.ElementRef<typeof TooltipPrimitive.Content>,
+  React.ComponentPropsWithoutRef<typeof TooltipPrimitive.Content>
+>(({ className, sideOffset = 4, ...props }, ref) => (
+  <TooltipPrimitive.Portal>
+    <TooltipPrimitive.Content
+      ref={ref}
+      sideOffset={sideOffset}
+      className={cn(
+        "z-50 overflow-hidden rounded-md bg-primary px-3 py-1.5 text-xs text-primary-foreground animate-in fade-in-0 zoom-in-95 data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=closed]:zoom-out-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2 origin-[--radix-tooltip-content-transform-origin]",
+        className
+      )}
+      {...props}
+    />
+  </TooltipPrimitive.Portal>
+))
+TooltipContent.displayName = TooltipPrimitive.Content.displayName
+
+export { Tooltip, TooltipTrigger, TooltipContent, TooltipProvider }