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+                    GNU AFFERO GENERAL PUBLIC LICENSE
+                       Version 3, 19 November 2007
+
+ Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+                            Preamble
+
+  The GNU Affero General Public License is a free, copyleft license for
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+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+  17. Interpretation of Sections 15 and 16.
+
+  If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+  If your software can interact with users remotely through a computer
+network, you should also make sure that it provides a way for users to
+get its source.  For example, if your program is a web application, its
+interface could display a "Source" link that leads users to an archive
+of the code.  There are many ways you could offer source, and different
+solutions will be better for different programs; see section 13 for the
+specific requirements.
+
+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU AGPL, see
+<https://www.gnu.org/licenses/>.

README.md

@@ -8,4 +8,53 @@ pinned: false
 license: agpl-3.0
 ---
 
-Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference
+# DeepSeek IDE
+
+Un entorno de desarrollo integrado (IDE) web con capacidades de análisis de código mediante IA.
+
+## Características principales
+
+- Editor de código con resaltado de sintaxis para múltiples lenguajes (JavaScript, Python, HTML, CSS)
+- Visualización de diferencias (diffs) en tiempo real
+- Integración con DeepSeek API para análisis de código
+- Historial de análisis guardados
+- Formateo básico de código
+- Interfaz responsive con paneles redimensionables
+
+## Tecnologías utilizadas
+
+- CodeMirror (editor de código)
+- Tailwind CSS (estilos)
+- DeepSeek API (análisis de código con IA)
+- Vanilla JavaScript
+
+## Requisitos
+
+- Navegador web moderno
+- Clave API de DeepSeek (opcional para funcionalidad de análisis)
+
+## Uso
+
+1. Abre `index.html` en tu navegador
+2. Escribe o pega tu código en el editor
+3. Usa Ctrl+Enter o el botón "Analyze" para obtener feedback de la IA
+
+## Licencia
+
+Este proyecto está licenciado bajo la [GNU Affero General Public License v3.0](LICENSE).
+
+## Atribución
+
+Autor: Eduardo Nacimiento García  
+Email: enacimie@ull.edu.es  
+
+El código fue creado con asistencia de [DeepSeek](https://deepseek.com).
+
+
+## Nota sobre la licencia AGPLv3
+
+La licencia AGPLv3 es compatible con el uso de DeepSeek para la generaci��n de c��digo, ya que:
+
+1. DeepSeek no reclama derechos de autor sobre el c��digo generado
+2. La AGPLv3 solo afecta a la distribuci��n del software completo, no al proceso de creaci��n
+3. El c��digo generado se considera obra original del autor que utiliza la herramienta

index.html

@@ -1,19 +1,1064 @@
-<!doctype html>
-<html>
-	<head>
-		<meta charset="utf-8" />
-		<meta name="viewport" content="width=device-width" />
-		<title>My static Space</title>
-		<link rel="stylesheet" href="style.css" />
-	</head>
-	<body>
-		<div class="card">
-			<h1>Welcome to your static Space!</h1>
-			<p>You can modify this app directly by editing <i>index.html</i> in the Files and versions tab.</p>
-			<p>
-				Also don't forget to check the
-				<a href="https://huggingface.co/docs/hub/spaces" target="_blank">Spaces documentation</a>.
-			</p>
-		</div>
-	</body>
+<!DOCTYPE html>
+<html lang="es">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>DeepSeek IDE - Live Code Editor</title>
+    <script src="https://cdn.tailwindcss.com"></script>
+    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.2/codemirror.min.css">
+    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.2/theme/dracula.min.css">
+    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.2/codemirror.min.js"></script>
+    <!-- Todos los modos de lenguaje soportados -->
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.2/mode/javascript/javascript.min.js"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.2/mode/python/python.min.js"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.2/mode/htmlmixed/htmlmixed.min.js"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.2/mode/css/css.min.js"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.2/mode/xml/xml.min.js"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.2/mode/clike/clike.min.js"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.2/mode/php/php.min.js"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.2/mode/ruby/ruby.min.js"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.2/mode/shell/shell.min.js"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.2/mode/sql/sql.min.js"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.2/mode/swift/swift.min.js"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.2/mode/go/go.min.js"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.2/mode/rust/rust.min.js"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.2/addon/edit/matchbrackets.min.js"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.2/addon/edit/closebrackets.min.js"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.2/addon/comment/comment.min.js"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.2/addon/display/placeholder.min.js"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/jsdiff/5.0.0/diff.min.js"></script>
+    <style>
+        .cm-s-dracula .CodeMirror-activeline-background { background: rgba(255, 255, 255, 0.1) !important; }
+        .diff-added { background-color: rgba(40, 167, 69, 0.2); }
+        .diff-removed { background-color: rgba(220, 53, 69, 0.2); }
+        .diff-unchanged { opacity: 0.7; }
+        .CodeMirror { height: 100% !important; font-size: 14px; }
+        .resize-handle { width: 4px; background: rgba(156, 163, 175, 0.3); cursor: col-resize; }
+        .resize-handle:hover { background: rgba(156, 163, 175, 0.6); }
+        #output-container { scrollbar-width: thin; }
+        #output-container::-webkit-scrollbar { width: 6px; }
+        #output-container::-webkit-scrollbar-track { background: rgba(0, 0, 0, 0.1); }
+        #output-container::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.2); }
+        .tab-active { border-bottom: 2px solid #3b82f6; color: white !important; }
+        .CodeMirror pre { padding: 0 8px; }
+        .file-tab { position: relative; }
+        .file-tab.active { background-color: rgba(59, 130, 246, 0.2); }
+        .file-tab-close { visibility: hidden; }
+        .file-tab:hover .file-tab-close { visibility: visible; }
+        .history-item:hover { background-color: rgba(55, 65, 81, 0.5); }
+        .prompt-container { transition: all 0.3s ease; }
+        .prompt-container.collapsed { height: 40px; overflow: hidden; }
+        .prompt-toggle { transform: rotate(0deg); transition: transform 0.3s ease; }
+        .prompt-toggle.collapsed { transform: rotate(180deg); }
+        .apply-diff-btn { transition: all 0.2s ease; }
+        .apply-diff-btn:hover { transform: scale(1.05); }
+        .code-block { position: relative; }
+        .code-block-copy { position: absolute; top: 0.5rem; right: 0.5rem; opacity: 0; transition: opacity 0.2s ease; }
+        .code-block:hover .code-block-copy { opacity: 1; }
+        .ai-cursor { position: absolute; background-color: rgba(59, 130, 246, 0.3); border-left: 2px solid #3b82f6; }
+        .ai-cursor-label { position: absolute; background-color: #3b82f6; color: white; font-size: 0.75rem; padding: 0.1rem 0.3rem; border-radius: 0.25rem; top: -1.25rem; left: -2px; white-space: nowrap; }
+        .typewriter-cursor { position: absolute; width: 2px; background-color: #3b82f6; animation: blink 1s infinite; }
+        @keyframes blink {
+            0%, 100% { opacity: 1; }
+            50% { opacity: 0; }
+        }
+    </style>
+</head>
+<body class="bg-gray-900 text-gray-100 h-screen flex flex-col overflow-hidden">
+    <!-- Header -->
+    <header class="bg-gray-800 px-4 py-3 flex items-center justify-between border-b border-gray-700">
+        <div class="flex items-center space-x-2">
+            <i class="fas fa-code text-blue-400 text-xl"></i>
+            <h1 class="text-xl font-bold">DeepSeek IDE</h1>
+        </div>
+        <div class="flex items-center space-x-4">
+            <div class="relative">
+                <input type="password" id="api-key" placeholder="DeepSeek API Key" 
+                    class="bg-gray-700 px-3 py-1 rounded text-sm w-64 focus:outline-none focus:ring-1 focus:ring-blue-500">
+                <button id="save-key-btn" class="absolute right-2 top-1/2 transform -translate-y-1/2 text-gray-400 hover:text-blue-400">
+                    <i class="fas fa-save"></i>
+                </button>
+            </div>
+            <button id="new-file-btn" class="text-gray-400 hover:text-blue-400 px-2 py-1 rounded text-sm flex items-center">
+                <i class="fas fa-plus mr-1"></i>
+                <span>New</span>
+            </button>
+            <button id="analyze-btn" class="bg-blue-600 hover:bg-blue-700 px-3 py-1 rounded text-sm flex items-center space-x-1">
+                <i class="fas fa-play"></i>
+                <span>Analyze</span>
+            </button>
+        </div>
+    </header>
+
+    <!-- Prompt Container -->
+    <div id="prompt-container" class="prompt-container bg-gray-800 border-b border-gray-700 px-4 py-2">
+        <div class="flex justify-between items-center cursor-pointer" id="prompt-toggle">
+            <h3 class="text-sm font-medium flex items-center">
+                <i class="fas fa-comment-dots mr-2 text-blue-400"></i>
+                Custom Prompt
+            </h3>
+            <i class="fas fa-chevron-up prompt-toggle text-gray-400"></i>
+        </div>
+        <div class="mt-2">
+            <textarea id="custom-prompt" placeholder="Describe what changes you want to make to the code (e.g. 'Optimize this function', 'Fix bugs', 'Explain how it works')..." 
+                class="w-full bg-gray-700 rounded px-3 py-2 text-sm focus:outline-none focus:ring-1 focus:ring-blue-500"></textarea>
+        </div>
+    </div>
+
+    <!-- Main Content -->
+    <div class="flex flex-1 overflow-hidden">
+        <!-- Editor Panel -->
+        <div class="flex-1 flex flex-col border-r border-gray-700 relative">
+            <div class="bg-gray-800 px-3 py-2 flex items-center justify-between">
+                <div class="flex items-center space-x-2 overflow-x-auto">
+                    <!-- File tabs will be added here dynamically -->
+                </div>
+                <div class="flex items-center space-x-2">
+                    <select id="language-selector" class="bg-gray-700 text-sm rounded px-2 py-1">
+                        <option value="javascript">JavaScript</option>
+                        <option value="python">Python</option>
+                        <option value="htmlmixed">HTML</option>
+                        <option value="css">CSS</option>
+                        <option value="text/x-java">Java</option>
+                        <option value="text/x-csrc">C</option>
+                        <option value="text/x-c++src">C++</option>
+                        <option value="text/x-csharp">C#</option>
+                        <option value="text/x-go">Go</option>
+                        <option value="text/x-rustsrc">Rust</option>
+                        <option value="text/x-swift">Swift</option>
+                        <option value="text/x-php">PHP</option>
+                        <option value="text/x-ruby">Ruby</option>
+                        <option value="text/x-sql">SQL</option>
+                        <option value="text/x-sh">Shell</option>
+                    </select>
+                    <button id="format-btn" class="text-gray-400 hover:text-blue-400 text-sm">
+                        <i class="fas fa-align-left mr-1"></i>Format
+                    </button>
+                    <button id="clear-btn" class="text-gray-400 hover:text-red-400 text-sm">
+                        <i class="fas fa-trash-alt mr-1"></i>Clear
+                    </button>
+                </div>
+            </div>
+            <div id="editor" class="flex-1"></div>
+            <div id="ai-cursor-container"></div>
+        </div>
+
+        <!-- Resize Handle -->
+        <div class="resize-handle"></div>
+
+        <!-- Output Panel -->
+        <div class="w-1/3 flex flex-col bg-gray-800">
+            <div class="bg-gray-800 px-3 py-2 flex border-b border-gray-700">
+                <button data-tab="diffs" class="tab-active px-3 py-1 text-sm font-medium">
+                    <i class="fas fa-code-compare mr-1"></i>Diffs
+                </button>
+                <button data-tab="response" class="px-3 py-1 text-sm font-medium text-gray-400 hover:text-white">
+                    <i class="fas fa-robot mr-1"></i>AI Response
+                </button>
+                <button data-tab="history" class="px-3 py-1 text-sm font-medium text-gray-400 hover:text-white">
+                    <i class="fas fa-history mr-1"></i>History
+                </button>
+                <button data-tab="console" class="px-3 py-1 text-sm font-medium text-gray-400 hover:text-white">
+                    <i class="fas fa-terminal mr-1"></i>Console
+                </button>
+            </div>
+            <div id="output-container" class="flex-1 overflow-auto p-4">
+                <div id="diff-container" class="tab-content active">
+                    <div class="text-center text-gray-500 py-8">
+                        <i class="fas fa-code-compare text-3xl mb-2"></i>
+                        <p>Make changes to your code to see the differences here</p>
+                    </div>
+                </div>
+                <div id="response-container" class="tab-content hidden">
+                    <div class="text-center text-gray-500 py-8">
+                        <i class="fas fa-robot text-3xl mb-2"></i>
+                        <p>Click "Analyze" to get AI feedback on your code</p>
+                    </div>
+                </div>
+                <div id="history-container" class="tab-content hidden">
+                    <div class="text-center text-gray-500 py-8">
+                        <i class="fas fa-history text-3xl mb-2"></i>
+                        <p>Your analysis history will appear here</p>
+                    </div>
+                </div>
+                <div id="console-output" class="tab-content hidden">
+                    <div class="text-center text-gray-500 py-8">
+                        <i class="fas fa-terminal text-3xl mb-2"></i>
+                        <p>Console output will appear here</p>
+                    </div>
+                </div>
+            </div>
+        </div>
+    </div>
+
+    <script>
+        // File system and state management
+        const state = {
+            files: {
+                'script.js': {
+                    content: `// Ejemplo de función en JavaScript
+function saludar(nombre) {
+    return \`Hola, \${nombre}!\`;
+}
+
+console.log(saludar("Mundo"));`,
+                    language: 'javascript',
+                    lastContent: ''
+                }
+            },
+            currentFile: 'script.js',
+            history: [],
+            apiKey: localStorage.getItem('deepseek-api-key') || '',
+            promptCollapsed: localStorage.getItem('prompt-collapsed') === 'true',
+            proposedChanges: null,
+            isApplyingChanges: false,
+            typewriterInterval: null
+        };
+
+        // Language mode mapping
+        const languageModes = {
+            'javascript': 'javascript',
+            'python': 'python',
+            'html': 'htmlmixed',
+            'css': 'css',
+            'java': 'text/x-java',
+            'c': 'text/x-csrc',
+            'cpp': 'text/x-c++src',
+            'csharp': 'text/x-csharp',
+            'go': 'text/x-go',
+            'rust': 'text/x-rustsrc',
+            'swift': 'text/x-swift',
+            'php': 'text/x-php',
+            'ruby': 'text/x-ruby',
+            'sql': 'text/x-sql',
+            'sh': 'text/x-sh',
+            'htmlmixed': 'htmlmixed'
+        };
+
+        // Initialize CodeMirror editor
+        const editor = CodeMirror(document.getElementById('editor'), {
+            mode: 'javascript',
+            theme: 'dracula',
+            lineNumbers: true,
+            indentUnit: 4,
+            tabSize: 4,
+            lineWrapping: true,
+            autoCloseBrackets: true,
+            matchBrackets: true,
+            extraKeys: {
+                'Ctrl-Enter': analyzeCode,
+                'Cmd-Enter': analyzeCode,
+                'Ctrl-/': 'toggleComment',
+                'Cmd-/': 'toggleComment',
+                'Shift-Ctrl-F': formatCode,
+                'Shift-Cmd-F': formatCode
+            },
+            placeholder: '// Escribe tu código aquí...\n// Presiona Ctrl+Enter o Cmd+Enter para analizar'
+        });
+
+        // Initialize the UI
+        function initUI() {
+            // Load API key if exists
+            document.getElementById('api-key').value = state.apiKey;
+            
+            // Set up file tabs
+            renderFileTabs();
+            loadFile(state.currentFile);
+            
+            // Set up language selector
+            document.getElementById('language-selector').value = state.files[state.currentFile].language;
+            
+            // Set up initial diff
+            updateDiff();
+            
+            // Set up prompt toggle
+            setupPromptToggle();
+            
+            // Load custom prompt if exists
+            const savedPrompt = localStorage.getItem('custom-prompt');
+            if (savedPrompt) {
+                document.getElementById('custom-prompt').value = savedPrompt;
+            }
+        }
+
+        // File management functions
+        function renderFileTabs() {
+            const tabsContainer = document.querySelector('.bg-gray-800 > div:first-child');
+            tabsContainer.innerHTML = '';
+            
+            Object.keys(state.files).forEach(filename => {
+                const isActive = filename === state.currentFile;
+                const tab = document.createElement('div');
+                tab.className = `file-tab flex items-center px-3 py-1 rounded-t text-sm cursor-pointer mr-1 ${isActive ? 'active' : ''}`;
+                tab.innerHTML = `
+                    <span>${filename}</span>
+                    <button class="file-tab-close ml-2 text-gray-400 hover:text-red-400" data-file="${filename}">
+                        <i class="fas fa-times text-xs"></i>
+                    </button>
+                `;
+                
+                tab.addEventListener('click', () => switchFile(filename));
+                
+                const closeBtn = tab.querySelector('.file-tab-close');
+                closeBtn.addEventListener('click', (e) => {
+                    e.stopPropagation();
+                    closeFile(filename);
+                });
+                
+                tabsContainer.appendChild(tab);
+            });
+        }
+
+        function switchFile(filename) {
+            if (filename === state.currentFile) return;
+            
+            // Save current file content
+            state.files[state.currentFile].content = editor.getValue();
+            
+            // Switch to new file
+            state.currentFile = filename;
+            loadFile(filename);
+            
+            // Update UI
+            renderFileTabs();
+            document.getElementById('language-selector').value = state.files[filename].language;
+        }
+
+        function loadFile(filename) {
+            const file = state.files[filename];
+            editor.setValue(file.content);
+            
+            // Set the editor mode based on file extension
+            const mode = languageModes[file.language] || 'javascript';
+            editor.setOption('mode', mode);
+            
+            // Store the original content for diff
+            file.lastContent = file.content;
+        }
+
+        function createNewFile() {
+            const filename = prompt('Enter new file name (include extension):', 'newfile.js');
+            if (!filename) return;
+            
+            // Determine language from extension
+            const extension = filename.split('.').pop().toLowerCase();
+            let language = 'javascript';
+            
+            if (extension === 'py') language = 'python';
+            else if (extension === 'html') language = 'htmlmixed';
+            else if (extension === 'css') language = 'css';
+            else if (extension === 'java') language = 'text/x-java';
+            else if (extension === 'c') language = 'text/x-csrc';
+            else if (extension === 'cpp' || extension === 'c++') language = 'text/x-c++src';
+            else if (extension === 'cs') language = 'text/x-csharp';
+            else if (extension === 'go') language = 'text/x-go';
+            else if (extension === 'rs') language = 'text/x-rustsrc';
+            else if (extension === 'swift') language = 'text/x-swift';
+            else if (extension === 'php') language = 'text/x-php';
+            else if (extension === 'rb') language = 'text/x-ruby';
+            else if (extension === 'sql') language = 'text/x-sql';
+            else if (extension === 'sh') language = 'text/x-sh';
+            
+            state.files[filename] = {
+                content: '',
+                language: language,
+                lastContent: ''
+            };
+            
+            state.currentFile = filename;
+            renderFileTabs();
+            loadFile(filename);
+            document.getElementById('language-selector').value = language;
+        }
+
+        function closeFile(filename) {
+            if (Object.keys(state.files).length <= 1) {
+                alert('You must have at least one file open');
+                return;
+            }
+            
+            delete state.files[filename];
+            
+            // Switch to another file
+            const remainingFiles = Object.keys(state.files);
+            state.currentFile = remainingFiles[0];
+            
+            renderFileTabs();
+            loadFile(state.currentFile);
+        }
+
+        // Language selector
+        document.getElementById('language-selector').addEventListener('change', (e) => {
+            const language = e.target.value;
+            state.files[state.currentFile].language = language;
+            
+            // Set the editor mode
+            const mode = languageModes[language] || 'javascript';
+            editor.setOption('mode', mode);
+        });
+
+        // Prompt toggle functionality
+        function setupPromptToggle() {
+            const promptContainer = document.getElementById('prompt-container');
+            const promptToggle = document.getElementById('prompt-toggle');
+            const toggleIcon = promptToggle.querySelector('.prompt-toggle');
+            
+            if (state.promptCollapsed) {
+                promptContainer.classList.add('collapsed');
+                toggleIcon.classList.add('collapsed');
+            }
+            
+            promptToggle.addEventListener('click', () => {
+                promptContainer.classList.toggle('collapsed');
+                toggleIcon.classList.toggle('collapsed');
+                state.promptCollapsed = !state.promptCollapsed;
+                localStorage.setItem('prompt-collapsed', state.promptCollapsed);
+            });
+        }
+
+        // Tab switching functionality
+        document.querySelectorAll('[data-tab]').forEach(tab => {
+            tab.addEventListener('click', () => {
+                // Update active tab
+                document.querySelectorAll('[data-tab]').forEach(t => {
+                    t.classList.remove('tab-active');
+                    t.classList.add('text-gray-400');
+                });
+                tab.classList.add('tab-active');
+                tab.classList.remove('text-gray-400');
+
+                // Show corresponding content
+                const tabId = tab.getAttribute('data-tab');
+                document.querySelectorAll('.tab-content').forEach(content => {
+                    content.classList.add('hidden');
+                    content.classList.remove('active');
+                });
+                
+                const contentId = `${tabId}-container`;
+                document.getElementById(contentId).classList.remove('hidden');
+                document.getElementById(contentId).classList.add('active');
+            });
+        });
+
+        // Button functionality
+        document.getElementById('clear-btn').addEventListener('click', () => {
+            if (confirm('¿Estás seguro de que quieres borrar todo el código?')) {
+                editor.setValue('');
+                state.files[state.currentFile].content = '';
+                updateDiff();
+            }
+        });
+
+        document.getElementById('format-btn').addEventListener('click', formatCode);
+        document.getElementById('new-file-btn').addEventListener('click', createNewFile);
+        document.getElementById('analyze-btn').addEventListener('click', analyzeCode);
+        document.getElementById('save-key-btn').addEventListener('click', () => {
+            const apiKey = document.getElementById('api-key').value;
+            state.apiKey = apiKey;
+            localStorage.setItem('deepseek-api-key', apiKey);
+            showToast('API Key guardada localmente');
+        });
+
+        // Save custom prompt when changed
+        document.getElementById('custom-prompt').addEventListener('change', (e) => {
+            localStorage.setItem('custom-prompt', e.target.value);
+        });
+
+        // Resize functionality
+        const resizeHandle = document.querySelector('.resize-handle');
+        const editorPanel = document.querySelector('.flex-1.flex-col');
+        const outputPanel = document.querySelector('.w-1\\/3');
+
+        let isResizing = false;
+
+        resizeHandle.addEventListener('mousedown', (e) => {
+            isResizing = true;
+            document.body.style.cursor = 'col-resize';
+            e.preventDefault();
+        });
+
+        document.addEventListener('mousemove', (e) => {
+            if (!isResizing) return;
+            
+            const containerWidth = document.querySelector('.flex-1.overflow-hidden').clientWidth;
+            const newEditorWidth = e.clientX;
+            const newOutputWidth = containerWidth - e.clientX - 4; // 4px for the resize handle
+            
+            editorPanel.style.width = `${newEditorWidth}px`;
+            outputPanel.style.width = `${newOutputWidth}px`;
+            
+            editor.refresh();
+        });
+
+        document.addEventListener('mouseup', () => {
+            isResizing = false;
+            document.body.style.cursor = '';
+        });
+
+        // Code formatting
+        function formatCode() {
+            const code = editor.getValue();
+            const language = state.files[state.currentFile].language;
+            
+            // Basic formatting for different languages
+            let formattedCode = code;
+            
+            if (language === 'javascript' || language === 'text/x-java' || language === 'text/x-csharp') {
+                formattedCode = formatCurlyBraceLanguage(code);
+            } else if (language === 'python') {
+                formattedCode = formatPython(code);
+            } else if (language === 'htmlmixed') {
+                formattedCode = formatHtml(code);
+            } else if (language === 'css') {
+                formattedCode = formatCss(code);
+            }
+            
+            editor.setValue(formattedCode);
+            showToast('Formato básico aplicado');
+        }
+
+        function formatCurlyBraceLanguage(code) {
+            const lines = code.split('\n');
+            let formattedCode = '';
+            let indentLevel = 0;
+            
+            for (const line of lines) {
+                const trimmedLine = line.trim();
+                
+                // Decrease indent if line closes a block
+                if (trimmedLine.endsWith('}') || trimmedLine.endsWith(');')) {
+                    indentLevel = Math.max(0, indentLevel - 1);
+                }
+                
+                // Add current indentation
+                formattedCode += '    '.repeat(indentLevel) + trimmedLine + '\n';
+                
+                // Increase indent if line opens a block
+                if (trimmedLine.endsWith('{') || (trimmedLine.endsWith('(') && !trimmedLine.endsWith(');'))) {
+                    indentLevel += 1;
+                }
+            }
+            
+            return formattedCode.trim();
+        }
+
+        function formatPython(code) {
+            // Very basic Python formatting
+            const lines = code.split('\n');
+            let formattedCode = '';
+            let indentLevel = 0;
+            
+            for (const line of lines) {
+                const trimmedLine = line.trim();
+                
+                // Decrease indent if line starts with dedent keywords
+                if (trimmedLine.startsWith('return') || trimmedLine.startsWith('pass') || 
+                    trimmedLine.startsWith('break') || trimmedLine.startsWith('continue') ||
+                    trimmedLine.startsWith('raise')) {
+                    indentLevel = Math.max(0, indentLevel - 1);
+                }
+                
+                // Add current indentation
+                formattedCode += '    '.repeat(indentLevel) + trimmedLine + '\n';
+                
+                // Increase indent if line ends with colon
+                if (trimmedLine.endsWith(':')) {
+                    indentLevel += 1;
+                }
+            }
+            
+            return formattedCode.trim();
+        }
+
+        function formatHtml(code) {
+            // Basic HTML formatting
+            const lines = code.split('\n');
+            let formattedCode = '';
+            let indentLevel = 0;
+            
+            for (const line of lines) {
+                const trimmedLine = line.trim();
+                
+                // Decrease indent for closing tags
+                if (trimmedLine.startsWith('</')) {
+                    indentLevel = Math.max(0, indentLevel - 1);
+                }
+                
+                // Add current indentation
+                formattedCode += '    '.repeat(indentLevel) + trimmedLine + '\n';
+                
+                // Increase indent for opening tags (unless they're self-closing)
+                if (trimmedLine.startsWith('<') && !trimmedLine.startsWith('<!') && 
+                    !trimmedLine.endsWith('/>') && !trimmedLine.includes('</')) {
+                    indentLevel += 1;
+                }
+            }
+            
+            return formattedCode.trim();
+        }
+
+        function formatCss(code) {
+            // Basic CSS formatting
+            const lines = code.split('\n');
+            let formattedCode = '';
+            let indentLevel = 0;
+            
+            for (const line of lines) {
+                const trimmedLine = line.trim();
+                
+                // Decrease indent after closing brace
+                if (trimmedLine.endsWith('}')) {
+                    indentLevel = Math.max(0, indentLevel - 1);
+                }
+                
+                // Add current indentation
+                formattedCode += '    '.repeat(indentLevel) + trimmedLine + '\n';
+                
+                // Increase indent after opening brace
+                if (trimmedLine.endsWith('{')) {
+                    indentLevel += 1;
+                }
+            }
+            
+            return formattedCode.trim();
+        }
+
+        // Diff functionality
+        function updateDiff() {
+            const currentFile = state.files[state.currentFile];
+            const oldContent = currentFile.lastContent;
+            const newContent = editor.getValue();
+            
+            if (oldContent === newContent) return;
+            
+            const diff = Diff.diffLines(oldContent, newContent);
+            const diffContainer = document.getElementById('diff-container');
+            
+            let html = '<div class="font-mono text-sm">';
+            
+            diff.forEach((part) => {
+                const lines = part.value.split('\n');
+                if (lines[lines.length - 1] === '') lines.pop();
+                
+                const className = part.added ? 'diff-added' : part.removed ? 'diff-removed' : 'diff-unchanged';
+                
+                lines.forEach(line => {
+                    if (line.trim() === '') return;
+                    html += `<div class="${className} px-2 py-1 my-1 rounded">${escapeHtml(line)}</div>`;
+                });
+            });
+            
+            html += '</div>';
+            diffContainer.innerHTML = html;
+            
+            // Update last content if not empty
+            if (newContent.trim() !== '') {
+                currentFile.lastContent = newContent;
+            }
+        }
+
+        // Show AI cursor in the editor
+        function showAICursor(line, ch, length, label = 'AI') {
+            const cursorContainer = document.getElementById('ai-cursor-container');
+            cursorContainer.innerHTML = '';
+            
+            const lineHeight = editor.defaultTextHeight();
+            const charWidth = editor.defaultCharWidth();
+            
+            const cursor = document.createElement('div');
+            cursor.className = 'ai-cursor';
+            cursor.style.top = `${line * lineHeight}px`;
+            cursor.style.left = `${ch * charWidth}px`;
+            cursor.style.height = `${lineHeight}px`;
+            cursor.style.width = `${length * charWidth}px`;
+            
+            const cursorLabel = document.createElement('div');
+            cursorLabel.className = 'ai-cursor-label';
+            cursorLabel.textContent = label;
+            
+            cursor.appendChild(cursorLabel);
+            cursorContainer.appendChild(cursor);
+        }
+
+        // Typewriter effect for applying changes
+        function applyChangesWithTypewriter(newCode, callback) {
+            const currentCode = editor.getValue();
+            const cursor = editor.getCursor();
+            
+            // Clear any existing interval
+            if (state.typewriterInterval) {
+                clearInterval(state.typewriterInterval);
+            }
+            
+            // Set the new code immediately but keep track for animation
+            editor.setValue(newCode);
+            
+            // Move cursor to the first change position
+            const diff = Diff.diffLines(currentCode, newCode);
+            let firstChangePos = {line: 0, ch: 0};
+            
+            for (let i = 0; i < diff.length; i++) {
+                if (diff[i].added) {
+                    const lines = newCode.split('\n');
+                    for (let j = 0; j < lines.length; j++) {
+                        if (lines[j].includes(diff[i].value.trim())) {
+                            firstChangePos = {line: j, ch: 0};
+                            break;
+                        }
+                    }
+                    break;
+                }
+            }
+            
+            editor.setCursor(firstChangePos);
+            
+            // Add typewriter cursor effect
+            const typewriterCursor = document.createElement('div');
+            typewriterCursor.className = 'typewriter-cursor';
+            typewriterCursor.style.top = `${firstChangePos.line * editor.defaultTextHeight()}px`;
+            typewriterCursor.style.left = `${firstChangePos.ch * editor.defaultCharWidth()}px`;
+            typewriterCursor.style.height = `${editor.defaultTextHeight()}px`;
+            document.getElementById('ai-cursor-container').appendChild(typewriterCursor);
+            
+            // Remove cursor after animation
+            setTimeout(() => {
+                typewriterCursor.remove();
+                if (callback) callback();
+            }, 1000);
+        }
+
+        // Analysis function with real API integration
+        async function analyzeCode() {
+            const code = editor.getValue();
+            const apiKey = state.apiKey;
+            const customPrompt = document.getElementById('custom-prompt').value;
+            
+            if (!code.trim()) {
+                showToast('Please enter some code to analyze', 'error');
+                return;
+            }
+            
+            if (!apiKey) {
+                showToast('Please enter your DeepSeek API key', 'error');
+                return;
+            }
+            
+            // Save current content
+            state.files[state.currentFile].content = code;
+            
+            // Show loading state
+            const responseContainer = document.getElementById('response-container');
+            responseContainer.innerHTML = `
+                <div class="flex flex-col items-center justify-center py-8">
+                    <div class="animate-spin rounded-full h-12 w-12 border-t-2 border-b-2 border-blue-500 mb-4"></div>
+                    <p>Analizando tu código...</p>
+                </div>
+            `;
+            
+            // Switch to response tab
+            document.querySelector('[data-tab="response"]').click();
+            
+            try {
+                const messages = [
+                    {
+                        role: "system",
+                        content: `You are a helpful code assistant. Analyze the provided code and respond with:
+1. An explanation of what the code does
+2. Suggestions for improvement
+3. A modified version of the code with improvements
+4. A clear markdown formatted response with code blocks
+
+Important: When providing the modified code, include the ENTIRE code file with all changes applied, not just the modified parts. This is crucial for the diff tool to work properly.
+
+Format your response like this:
+### Analysis
+[Explanation of the code]
+
+### Suggestions
+[Bullet points with improvement suggestions]
+
+### Improved Code
+\`\`\`[language]
+[Complete modified code here]
+\`\`\`
+
+Additional notes:
+- Respond in the same language as the code comments
+- Preserve all original functionality
+- Include any necessary imports or boilerplate`
+                    }
+                ];
+                
+                // Add custom prompt if provided
+                if (customPrompt.trim()) {
+                    messages.push({
+                        role: "user",
+                        content: customPrompt
+                    });
+                }
+                
+                // Add the code to analyze
+                messages.push({
+                    role: "user",
+                    content: `Here is my ${state.files[state.currentFile].language} code:\n\n${code}`
+                });
+                
+                const response = await fetch('https://api.deepseek.com/v1/chat/completions', {
+                    method: 'POST',
+                    headers: {
+                        'Content-Type': 'application/json',
+                        'Authorization': `Bearer ${apiKey}`
+                    },
+                    body: JSON.stringify({
+                        model: "deepseek-coder",
+                        messages: messages,
+                        temperature: 0.7,
+                        max_tokens: 2000
+                    })
+                });
+                
+                if (!response.ok) {
+                    throw new Error(`API request failed with status ${response.status}`);
+                }
+                
+                const data = await response.json();
+                const aiResponse = data.choices[0].message.content;
+                
+                // Extract the improved code from the response
+                const improvedCodeMatch = aiResponse.match(/```(?:[a-zA-Z]*)\n([\s\S]*?)```/);
+                let improvedCode = improvedCodeMatch ? improvedCodeMatch[1] : null;
+                
+                // Add to history
+                state.history.unshift({
+                    timestamp: new Date().toISOString(),
+                    code: code,
+                    response: aiResponse,
+                    prompt: customPrompt,
+                    improvedCode: improvedCode
+                });
+                
+                // Update history tab
+                renderHistory();
+                
+                // Format the response as HTML
+                responseContainer.innerHTML = `
+                    <div class="prose prose-invert max-w-none">
+                        ${formatAIResponse(aiResponse)}
+                        ${improvedCode ? `
+                        <div class="mt-6 flex space-x-3">
+                            <button id="show-diff-btn" class="bg-blue-600 hover:bg-blue-700 px-3 py-2 rounded text-sm flex items-center space-x-1">
+                                <i class="fas fa-code-compare mr-1"></i>
+                                <span>Show Changes</span>
+                            </button>
+                            <button id="apply-changes-btn" class="bg-green-600 hover:bg-green-700 px-3 py-2 rounded text-sm flex items-center space-x-1">
+                                <i class="fas fa-magic mr-1"></i>
+                                <span>Apply Changes</span>
+                            </button>
+                        </div>
+                        ` : ''}
+                    </div>
+                `;
+                
+                // Add event listeners for buttons
+                if (improvedCode) {
+                    document.getElementById('show-diff-btn').addEventListener('click', () => {
+                        showProposedDiff(code, improvedCode);
+                    });
+                    
+                    document.getElementById('apply-changes-btn').addEventListener('click', () => {
+                        applyChangesWithTypewriter(improvedCode, () => {
+                            state.files[state.currentFile].content = improvedCode;
+                            state.files[state.currentFile].lastContent = improvedCode;
+                            showToast('Changes applied successfully');
+                        });
+                    });
+                }
+                
+                showToast('Analysis completed successfully');
+            } catch (error) {
+                console.error('API Error:', error);
+                responseContainer.innerHTML = `
+                    <div class="bg-red-900/30 p-4 rounded border border-red-700">
+                        <h3 class="text-red-400 font-bold">Error</h3>
+                        <p>${escapeHtml(error.message)}</p>
+                        <p class="mt-2 text-sm">Please check your API key and network connection.</p>
+                    </div>
+                `;
+                showToast('Analysis failed', 'error');
+            }
+        }
+
+        function formatAIResponse(text) {
+            // Improved formatting with copy buttons for code blocks
+            let html = escapeHtml(text)
+                .replace(/\*\*(.*?)\*\*/g, '<strong>$1</strong>')
+                .replace(/\*(.*?)\*/g, '<em>$1</em>')
+                .replace(/```(\w*)\n([\s\S]*?)```/g, (match, language, code) => {
+                    return `
+                    <div class="code-block bg-gray-700 rounded my-3 relative">
+                        <button class="code-block-copy bg-gray-600 hover:bg-gray-500 text-white text-xs px-2 py-1 rounded" 
+                            onclick="navigator.clipboard.writeText(\`${escapeHtml(code).replace(/`/g, '\\`')}\`)">
+                            <i class="fas fa-copy mr-1"></i>Copy
+                        </button>
+                        <pre class="p-3 overflow-x-auto"><code>${escapeHtml(code)}</code></pre>
+                    </div>
+                    `;
+                })
+                .replace(/`(.*?)`/g, '<code class="bg-gray-700 px-1 rounded">$1</code>')
+                .replace(/\n/g, '<br>');
+            
+            return html;
+        }
+
+        function renderHistory() {
+            const historyContainer = document.getElementById('history-container');
+            
+            if (state.history.length === 0) {
+                historyContainer.innerHTML = `
+                    <div class="text-center text-gray-500 py-8">
+                        <i class="fas fa-history text-3xl mb-2"></i>
+                        <p>No analysis history yet</p>
+                    </div>
+                `;
+                return;
+            }
+            
+            let html = '<div class="space-y-4">';
+            
+            state.history.forEach((item, index) => {
+                const date = new Date(item.timestamp);
+                const formattedDate = date.toLocaleString();
+                
+                html += `
+                    <div class="history-item bg-gray-700/50 p-3 rounded-lg cursor-pointer" data-index="${index}">
+                        <div class="flex justify-between items-center mb-2">
+                            <span class="text-sm font-medium">Analysis #${state.history.length - index}</span>
+                            <span class="text-xs text-gray-400">${formattedDate}</span>
+                        </div>
+                        ${item.prompt ? `<div class="text-xs text-blue-400 mb-1">Prompt: "${escapeHtml(item.prompt.substring(0, 50))}${item.prompt.length > 50 ? '...' : ''}"</div>` : ''}
+                        <div class="text-sm text-gray-300 truncate">${escapeHtml(item.response.substring(0, 100))}...</div>
+                        ${item.improvedCode ? `<div class="mt-2 text-xs text-green-400">Contains code modifications</div>` : ''}
+                    </div>
+                `;
+            });
+            
+            html += '</div>';
+            historyContainer.innerHTML = html;
+            
+            // Add click handlers to history items
+            document.querySelectorAll('.history-item').forEach(item => {
+                item.addEventListener('click', () => {
+                    const index = item.getAttribute('data-index');
+                    const historyItem = state.history[index];
+                    
+                    document.getElementById('response-container').innerHTML = `
+                        <div class="prose prose-invert max-w-none">
+                            <div class="flex justify-between items-center mb-4">
+                                <h3>Analysis from ${new Date(historyItem.timestamp).toLocaleString()}</h3>
+                                <div class="flex space-x-2">
+                                    <button id="load-code-btn" class="bg-blue-600 hover:bg-blue-700 px-2 py-1 rounded text-xs">
+                                        <i class="fas fa-code mr-1"></i>Load Code
+                                    </button>
+                                    ${historyItem.improvedCode ? `
+                                    <button id="apply-history-changes-btn" class="bg-green-600 hover:bg-green-700 px-2 py-1 rounded text-xs">
+                                        <i class="fas fa-magic mr-1"></i>Apply Changes
+                                    </button>
+                                    ` : ''}
+                                </div>
+                            </div>
+                            ${historyItem.prompt ? `<div class="bg-gray-700/50 p-3 rounded mb-4">
+                                <h4 class="text-blue-400 font-medium mb-1">Prompt:</h4>
+                                <p>${escapeHtml(historyItem.prompt)}</p>
+                            </div>` : ''}
+                            ${formatAIResponse(historyItem.response)}
+                        </div>
+                    `;
+                    
+                    // Add handler for load code button
+                    document.getElementById('load-code-btn').addEventListener('click', () => {
+                        editor.setValue(historyItem.code);
+                        if (historyItem.prompt) {
+                            document.getElementById('custom-prompt').value = historyItem.prompt;
+                            localStorage.setItem('custom-prompt', historyItem.prompt);
+                        }
+                        showToast('Code loaded from history');
+                    });
+                    
+                    // Add handler for apply changes button
+                    if (historyItem.improvedCode) {
+                        document.getElementById('apply-history-changes-btn').addEventListener('click', () => {
+                            applyChangesWithTypewriter(historyItem.improvedCode, () => {
+                                state.files[state.currentFile].content = historyItem.improvedCode;
+                                state.files[state.currentFile].lastContent = historyItem.improvedCode;
+                                showToast('Changes applied successfully');
+                            });
+                        });
+                    }
+                    
+                    document.querySelector('[data-tab="response"]').click();
+                });
+            });
+        }
+
+        // Helper functions
+        function escapeHtml(unsafe) {
+            return unsafe
+                .replace(/&/g, "&amp;")
+                .replace(/</g, "&lt;")
+                .replace(/>/g, "&gt;")
+                .replace(/"/g, "&quot;")
+                .replace(/'/g, "&#039;");
+        }
+
+        function showToast(message, type = 'success') {
+            const toast = document.createElement('div');
+            toast.className = `fixed bottom-4 right-4 px-4 py-2 rounded-md shadow-lg ${
+                type === 'success' ? 'bg-green-600' : 'bg-red-600'
+            } text-white animate-fade-in`;
+            toast.textContent = message;
+            document.body.appendChild(toast);
+            
+            setTimeout(() => {
+                toast.classList.remove('animate-fade-in');
+                toast.classList.add('animate-fade-out');
+                setTimeout(() => toast.remove(), 300);
+            }, 3000);
+        }
+
+        // Auto-save and diff updates
+        editor.on('change', () => {
+            updateDiff();
+            
+            // Auto-save every 5 seconds
+            clearTimeout(window.autoSaveTimer);
+            window.autoSaveTimer = setTimeout(() => {
+                state.files[state.currentFile].content = editor.getValue();
+            }, 5000);
+        });
+
+        // Initialize the app
+        initUI();
+
+        // Add some CSS animations
+        const style = document.createElement('style');
+        style.textContent = `
+            @keyframes fadeIn {
+                from { opacity: 0; transform: translateY(10px); }
+                to { opacity: 1; transform: translateY(0); }
+            }
+            @keyframes fadeOut {
+                from { opacity: 1; transform: translateY(0); }
+                to { opacity: 0; transform: translateY(10px); }
+            }
+            .animate-fade-in {
+                animation: fadeIn 0.3s ease-out forwards;
+            }
+            .animate-fade-out {
+                animation: fadeOut 0.3s ease-out forwards;
+            }
+        `;
+        document.head.appendChild(style);
+    </script>
+</body>
 </html>