.gitignore

@@ -1,5 +0,0 @@
-.env
-node_modules/
-.vibe42-run.log
-.vibe42-run.pid
-data.json

index.html

@@ -15,12 +15,6 @@
   </header>
 
   <main class="container">
-    <!-- Кнопка учителя -->
-    <button id="teacher-btn" class="teacher-fab">
-      <span class="teacher-icon">👨‍🏫</span>
-      <span class="teacher-text">Учитель</span>
-    </button>
-
     <!-- Выбор уровня -->
     <section id="levels-section" class="section">
       <h2>Выберите ваш уровень</h2>
@@ -85,30 +79,6 @@
         <div id="practice-content" class="content-grid"></div>
       </div>
     </section>
-
-    <!-- Чат с учителем -->
-    <div id="teacher-chat" class="teacher-chat hidden">
-      <div class="chat-header">
-        <h3>👨‍🏫 Виртуальный учитель</h3>
-        <button id="close-chat" class="chat-close">✕</button>
-      </div>
-      <div class="chat-messages" id="chat-messages">
-        <div class="message teacher">
-          <div class="message-bubble">
-            Привет! Я твой учитель английского. Могу помочь с:
-            <br>• Разговорной практикой
-            <br>• Исправлением ошибок
-            <br>• Объяснением грамматики
-            <br>• Подбором слов
-            <br><br>Напиши мне на английском или русском!
-          </div>
-        </div>
-      </div>
-      <div class="chat-input-area">
-        <input type="text" id="chat-input" placeholder="Напиши сообщение..." class="chat-input">
-        <button id="send-btn" class="send-btn">➤</button>
-      </div>
-    </div>
   </main>
 
   <footer class="footer">

package-lock.json

@@ -1,10 +0,0 @@
-{
-  "name": "english-learning",
-  "lockfileVersion": 3,
-  "requires": true,
-  "packages": {
-    "": {
-      "name": "english-learning"
-    }
-  }
-}

package.json

@@ -1,8 +0,0 @@
-{
-  "name": "english-learning",
-  "private": true,
-  "type": "commonjs",
-  "scripts": {
-    "start": "node server.js"
-  }
-}

script.js

@@ -274,7 +274,6 @@ const levelsData = {
 
 // Текущее состояние
 let currentLevel = null;
-let chatSessionId = null;
 
 // DOM элементы
 const levelsSection = document.getElementById('levels-section');
@@ -285,14 +284,6 @@ const tabBtns = document.querySelectorAll('.tab-btn');
 const tabContents = document.querySelectorAll('.tab-content');
 const vocabSearch = document.getElementById('vocab-search');
 
-// Учитель
-const teacherBtn = document.getElementById('teacher-btn');
-const teacherChat = document.getElementById('teacher-chat');
-const closeChat = document.getElementById('close-chat');
-const chatMessages = document.getElementById('chat-messages');
-const chatInput = document.getElementById('chat-input');
-const sendBtn = document.getElementById('send-btn');
-
 // Инициализация
 function init() {
   // Клик по уровням
@@ -322,14 +313,6 @@ function init() {
   vocabSearch.addEventListener('input', (e) => {
     filterVocabulary(e.target.value);
   });
-
-  // Учитель
-  teacherBtn.addEventListener('click', toggleChat);
-  closeChat.addEventListener('click', toggleChat);
-  sendBtn.addEventListener('click', sendMessage);
-  chatInput.addEventListener('keypress', (e) => {
-    if (e.key === 'Enter') sendMessage();
-  });
 }
 
 // Показать уровень
@@ -433,115 +416,5 @@ function handleExerciseClick(e) {
   }
 }
 
-// Учитель - функции
-function toggleChat() {
-  teacherChat.classList.toggle('hidden');
-  if (!teacherChat.classList.contains('hidden')) {
-    chatInput.focus();
-  }
-}
-
-async function sendMessage() {
-  const text = chatInput.value.trim();
-  if (!text) return;
-
-  // Добавляем сообщение студента
-  addMessage(text, 'student');
-  chatInput.value = '';
-
-  // Показываем индикатор набора
-  showTypingIndicator();
-
-  try {
-    // Получаем ответ от ИИ
-    const response = await askTeacher(text);
-    hideTypingIndicator();
-    addMessage(response, 'teacher');
-  } catch (error) {
-    hideTypingIndicator();
-    addMessage('Извини, я временно недоступен. Попробуй ещё раз!', 'teacher');
-    console.error('Teacher error:', error);
-  }
-}
-
-function addMessage(text, type) {
-  const messageDiv = document.createElement('div');
-  messageDiv.className = `message ${type}`;
-  messageDiv.innerHTML = `<div class="message-bubble">${text}</div>`;
-  chatMessages.appendChild(messageDiv);
-  chatMessages.scrollTop = chatMessages.scrollHeight;
-}
-
-function showTypingIndicator() {
-  const typing = document.createElement('div');
-  typing.className = 'message teacher';
-  typing.id = 'typing-indicator';
-  typing.innerHTML = `
-    <div class="message-bubble">
-      <div class="typing-indicator">
-        <div class="typing-dot"></div>
-        <div class="typing-dot"></div>
-        <div class="typing-dot"></div>
-      </div>
-    </div>
-  `;
-  chatMessages.appendChild(typing);
-  chatMessages.scrollTop = chatMessages.scrollHeight;
-}
-
-function hideTypingIndicator() {
-  const typing = document.getElementById('typing-indicator');
-  if (typing) typing.remove();
-}
-
-async function askTeacher(message) {
-  // Получаем контекст уровня
-  const levelContext = currentLevel ? `Current student level: ${currentLevel}. ` : '';
-  
-  const messages = [
-    {
-      role: 'system',
-      content: `You are a friendly and supportive English teacher. Your tasks:
-1. Communicate at the student's level
-2. Correct mistakes gently and explain grammar rules
-3. Help with vocabulary and constructions
-4. Encourage and motivate
-5. Answer grammar questions
-
-${levelContext}Respond briefly (2-4 sentences), in a friendly manner. If the student writes in Russian, respond in Russian with English examples. If in English, respond in English but you can add translations of difficult words.`
-    },
-    {
-      role: 'user',
-      content: message
-    }
-  ];
-
-  try {
-    const response = await fetch('/api/ai', {
-      method: 'POST',
-      headers: {
-        'Content-Type': 'application/json'
-      },
-      body: JSON.stringify({ messages })
-    });
-
-    if (!response.ok) {
-      throw new Error('AI error: ' + response.status);
-    }
-
-    const data = await response.json();
-    const answer = data.choices?.[0]?.message?.content;
-    
-    if (!answer) {
-      throw new Error('Empty AI response');
-    }
-
-    return answer.replace(/\n/g, '<br>');
-  } catch (error) {
-    console.error('AI request failed:', error);
-    return 'Sorry, I can\'t respond right now. But I\'m here to help you with English!';
-  }
-}
-
 // Запуск
 init();

server.js

@@ -1,75 +0,0 @@
-const http = require('http');
-const fs = require('fs');
-const path = require('path');
-
-const PORT = process.env.PORT || 3000;
-
-function body(req) {
-  return new Promise((resolve) => {
-    let s = '';
-    req.on('data', (c) => (s += c));
-    req.on('end', () => {
-      try {
-        resolve(JSON.parse(s || '{}'));
-      } catch (_) {
-        resolve({});
-      }
-    });
-  });
-}
-
-http.createServer(async (req, res) => {
-  // CORS
-  res.setHeader('Access-Control-Allow-Origin', '*');
-  res.setHeader('Access-Control-Allow-Methods', 'GET, POST, OPTIONS');
-  res.setHeader('Access-Control-Allow-Headers', 'Content-Type');
-  
-  if (req.method === 'OPTIONS') {
-    res.writeHead(200);
-    return res.end();
-  }
-
-  // API: AI запрос
-  if (req.method === 'POST' && req.url === '/api/ai') {
-    try {
-      const data = await body(req);
-      const aiResponse = await fetch(process.env.AI_BASE_URL + '/chat/completions', {
-        method: 'POST',
-        headers: {
-          'Content-Type': 'application/json',
-          'Authorization': 'Bearer ' + process.env.AI_API_KEY
-        },
-        body: JSON.stringify({
-          model: process.env.AI_MODEL,
-          messages: data.messages || []
-        })
-      });
-
-      if (!aiResponse.ok) {
-        throw new Error('AI error: ' + aiResponse.status);
-      }
-
-      const result = await aiResponse.json();
-      res.writeHead(200, { 'Content-Type': 'application/json' });
-      res.end(JSON.stringify(result));
-    } catch (error) {
-      res.writeHead(500, { 'Content-Type': 'application/json' });
-      res.end(JSON.stringify({ error: error.message }));
-    }
-    return;
-  }
-
-  // Статика
-  let file = req.url === '/' ? '/index.html' : req.url.split('?')[0];
-  const full = path.join(__dirname, file);
-  
-  if (full.startsWith(__dirname) && fs.existsSync(full) && fs.statSync(full).isFile()) {
-    const ext = path.extname(full);
-    const type = ext === '.css' ? 'text/css' : ext === '.js' ? 'application/javascript' : 'text/html';
-    res.writeHead(200, { 'Content-Type': type + '; charset=utf-8' });
-    return res.end(fs.readFileSync(full));
-  }
-
-  res.writeHead(404);
-  res.end('Not found');
-}).listen(PORT, () => console.log('Сервер запущен на порту ' + PORT));

style.css

@@ -88,196 +88,6 @@ body {
   display: none;
 }
 
-/* Кнопка учителя */
-.teacher-fab {
-  position: fixed;
-  bottom: 30px;
-  right: 30px;
-  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
-  color: white;
-  border: none;
-  border-radius: 50px;
-  padding: 16px 24px;
-  font-size: 16px;
-  font-weight: bold;
-  cursor: pointer;
-  box-shadow: 0 8px 30px rgba(102, 126, 234, 0.4);
-  transition: all 0.3s;
-  display: flex;
-  align-items: center;
-  gap: 10px;
-  z-index: 999;
-}
-
-.teacher-fab:hover {
-  transform: scale(1.05);
-  box-shadow: 0 12px 40px rgba(102, 126, 234, 0.6);
-}
-
-.teacher-icon {
-  font-size: 24px;
-}
-
-/* Чат учителя */
-.teacher-chat {
-  position: fixed;
-  bottom: 100px;
-  right: 30px;
-  width: 400px;
-  max-height: 600px;
-  background: white;
-  border-radius: 16px;
-  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.2);
-  display: flex;
-  flex-direction: column;
-  z-index: 1000;
-  overflow: hidden;
-}
-
-.chat-header {
-  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
-  color: white;
-  padding: 16px 20px;
-  display: flex;
-  justify-content: space-between;
-  align-items: center;
-}
-
-.chat-header h3 {
-  margin: 0;
-  font-size: 18px;
-}
-
-.chat-close {
-  background: rgba(255, 255, 255, 0.2);
-  border: none;
-  color: white;
-  width: 32px;
-  height: 32px;
-  border-radius: 50%;
-  cursor: pointer;
-  font-size: 20px;
-  transition: all 0.3s;
-}
-
-.chat-close:hover {
-  background: rgba(255, 255, 255, 0.3);
-}
-
-.chat-messages {
-  flex: 1;
-  padding: 20px;
-  overflow-y: auto;
-  background: #f8f9ff;
-  max-height: 400px;
-}
-
-.message {
-  margin-bottom: 16px;
-  display: flex;
-}
-
-.message.student {
-  justify-content: flex-end;
-}
-
-.message.teacher {
-  justify-content: flex-start;
-}
-
-.message-bubble {
-  max-width: 80%;
-  padding: 12px 16px;
-  border-radius: 16px;
-  line-height: 1.5;
-}
-
-.message.teacher .message-bubble {
-  background: white;
-  border: 1px solid #e0e0e0;
-  color: #333;
-  border-bottom-left-radius: 4px;
-}
-
-.message.student .message-bubble {
-  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
-  color: white;
-  border-bottom-right-radius: 4px;
-}
-
-.chat-input-area {
-  padding: 16px;
-  background: white;
-  border-top: 1px solid #e0e0e0;
-  display: flex;
-  gap: 10px;
-}
-
-.chat-input {
-  flex: 1;
-  padding: 12px 16px;
-  border: 2px solid #e0e0e0;
-  border-radius: 24px;
-  font-size: 14px;
-}
-
-.chat-input:focus {
-  outline: none;
-  border-color: #667eea;
-}
-
-.send-btn {
-  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
-  color: white;
-  border: none;
-  width: 44px;
-  height: 44px;
-  border-radius: 50%;
-  cursor: pointer;
-  font-size: 18px;
-  transition: all 0.3s;
-}
-
-.send-btn:hover {
-  transform: scale(1.1);
-}
-
-.send-btn:disabled {
-  opacity: 0.5;
-  cursor: not-allowed;
-}
-
-.typing-indicator {
-  display: flex;
-  gap: 4px;
-  padding: 12px 16px;
-}
-
-.typing-dot {
-  width: 8px;
-  height: 8px;
-  background: #ccc;
-  border-radius: 50%;
-  animation: typing 1.4s infinite;
-}
-
-.typing-dot:nth-child(2) {
-  animation-delay: 0.2s;
-}
-
-.typing-dot:nth-child(3) {
-  animation-delay: 0.4s;
-}
-
-@keyframes typing {
-  0%, 60%, 100% {
-    transform: translateY(0);
-  }
-  30% {
-    transform: translateY(-8px);
-  }
-}
-
 .btn-back {
   background: white;
   border: 2px solid #667eea;