diff --git a/.gitignore b/.gitignore
index 2452309..44ee6a3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -66,3 +66,7 @@ Thumbs.db
 # User data
 video/
 *.mp4
+
+# Server logs
+server.log
+*.log
diff --git a/backend/__init__.py b/backend/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/backend/main.py b/backend/main.py
new file mode 100644
index 0000000..62e5baa
--- /dev/null
+++ b/backend/main.py
@@ -0,0 +1,183 @@
+"""FastAPI backend для сервиса транскрибации."""
+
+import json
+from pathlib import Path
+from typing import List, Optional
+
+from fastapi import FastAPI, File, UploadFile, WebSocket, WebSocketDisconnect
+from fastapi.middleware.cors import CORSMiddleware
+from fastapi.responses import FileResponse, PlainTextResponse, HTMLResponse
+from fastapi.staticfiles import StaticFiles
+
+from backend.queue import (
+    UPLOAD_DIR,
+    PROCESSED_DIR,
+    enqueue,
+    get_all_tasks,
+    get_task_status,
+    get_processed_tree,
+    read_file_content,
+    set_progress_callback,
+)
+
+app = FastAPI(title="Transcription Service", version="1.0.0")
+
+# CORS
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["*"],
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+# WebSocket менеджер
+class ConnectionManager:
+    def __init__(self):
+        self.active_connections: List[WebSocket] = []
+    
+    async def connect(self, websocket: WebSocket):
+        await websocket.accept()
+        self.active_connections.append(websocket)
+    
+    def disconnect(self, websocket: WebSocket):
+        if websocket in self.active_connections:
+            self.active_connections.remove(websocket)
+    
+    async def broadcast(self, message: dict):
+        for conn in self.active_connections:
+            try:
+                await conn.send_json(message)
+            except Exception:
+                pass
+
+manager = ConnectionManager()
+
+# Устанавливаем callback для отправки прогресса через WebSocket
+set_progress_callback(manager.broadcast)
+
+
+# === API Endpoints ===
+
+@app.get("/", response_class=HTMLResponse)
+async def root():
+    """Главная страница."""
+    index_path = Path(__file__).parent / "static" / "index.html"
+    if index_path.exists():
+        return index_path.read_text(encoding="utf-8")
+    return "<h1>Transcription Service</h1><p>Frontend not built</p>"
+
+
+@app.post("/upload")
+async def upload_file(file: UploadFile = File(...)):
+    """Загружает файл и добавляет в очередь обработки."""
+    # Сохраняем файл
+    file_path = UPLOAD_DIR / file.filename
+    with open(file_path, "wb") as f:
+        content = await file.read()
+        f.write(content)
+    
+    # Добавляем в очередь
+    task_id = await enqueue(file_path)
+    
+    return {
+        "task_id": task_id,
+        "filename": file.filename,
+        "status": "queued",
+        "message": "Файл добавлен в очередь обработки",
+    }
+
+
+@app.post("/upload-batch")
+async def upload_batch(files: List[UploadFile] = File(...)):
+    """Загружает несколько файлов пакетно."""
+    results = []
+    for file in files:
+        file_path = UPLOAD_DIR / file.filename
+        with open(file_path, "wb") as f:
+            content = await file.read()
+            f.write(content)
+        
+        task_id = await enqueue(file_path)
+        results.append({
+            "task_id": task_id,
+            "filename": file.filename,
+            "status": "queued",
+        })
+    
+    return {
+        "uploaded": len(results),
+        "tasks": results,
+    }
+
+
+@app.websocket("/ws")
+async def websocket_endpoint(websocket: WebSocket):
+    """WebSocket для получения прогресса обработки."""
+    await manager.connect(websocket)
+    try:
+        while True:
+            # Ждём сообщения от клиента (ping/keepalive)
+            data = await websocket.receive_text()
+            msg = json.loads(data)
+            
+            if msg.get("action") == "get_tasks":
+                tasks = get_all_tasks()
+                await websocket.send_json({
+                    "type": "tasks_list",
+                    "tasks": tasks,
+                })
+            elif msg.get("action") == "get_tree":
+                tree = get_processed_tree()
+                await websocket.send_json({
+                    "type": "file_tree",
+                    "tree": tree,
+                })
+    except WebSocketDisconnect:
+        manager.disconnect(websocket)
+    except Exception:
+        manager.disconnect(websocket)
+
+
+@app.get("/api/tasks")
+async def api_tasks():
+    """Возвращает список всех задач."""
+    return {"tasks": get_all_tasks()}
+
+
+@app.get("/api/tasks/{task_id}")
+async def api_task(task_id: str):
+    """Возвращает статус конкретной задачи."""
+    status = get_task_status(task_id)
+    if not status:
+        return {"error": "Task not found"}
+    return status
+
+
+@app.get("/api/files")
+async def api_files():
+    """Возвращает дерево обработанных файлов."""
+    return {"tree": get_processed_tree()}
+
+
+@app.get("/api/files/content")
+async def api_file_content(path: str):
+    """Возвращает содержимое файла."""
+    try:
+        content = read_file_content(path)
+        return {"content": content, "path": path}
+    except Exception as e:
+        return {"error": str(e)}
+
+
+@app.get("/api/files/download")
+async def api_download(path: str):
+    """Скачивает файл."""
+    file_path = PROCESSED_DIR / path
+    if not file_path.exists():
+        return {"error": "File not found"}
+    return FileResponse(file_path, filename=file_path.name)
+
+
+# Статические файлы
+app.mount("/static", StaticFiles(directory="backend/static"), name="static")
diff --git a/backend/queue.py b/backend/queue.py
new file mode 100644
index 0000000..521d36c
--- /dev/null
+++ b/backend/queue.py
@@ -0,0 +1,227 @@
+"""Фоновая очередь обработки аудио/видео."""
+
+import asyncio
+import json
+import os
+import shutil
+import sys
+from datetime import datetime
+from pathlib import Path
+from typing import Any, Callable, Dict, List, Optional
+
+sys.path.insert(0, str(Path(__file__).parent.parent))
+
+from src.audio_utils import prepare_audio_input
+from src.config import get_profile, load_config, resolve_hf_token
+from src.document import build_document
+from src.pipeline import run_pipeline
+
+
+UPLOAD_DIR = Path("uploads")
+PROCESSED_DIR = Path("processed")
+UPLOAD_DIR.mkdir(exist_ok=True)
+PROCESSED_DIR.mkdir(exist_ok=True)
+
+# Глобальное хранилище состояний задач
+tasks: Dict[str, Dict[str, Any]] = {}
+
+# Callback для отправки прогресса через WebSocket
+_progress_callback: Optional[Callable] = None
+
+
+def set_progress_callback(callback: Callable):
+    """Устанавливает callback для отправки прогресса."""
+    global _progress_callback
+    _progress_callback = callback
+
+
+async def _send_progress(task_id: str, progress: int, message: str, status: str, result=None, error=None):
+    """Отправляет прогресс через callback."""
+    if _progress_callback:
+        try:
+            await _progress_callback({
+                "task_id": task_id,
+                "progress": progress,
+                "message": message,
+                "status": status,
+                "result": result,
+                "error": error,
+            })
+        except Exception:
+            pass
+
+
+async def process_file(file_path: Path, task_id: str):
+    """Обрабатывает один файл и отправляет прогресс."""
+    tasks[task_id] = {
+        "task_id": task_id,
+        "status": "processing",
+        "progress": 0,
+        "message": "Начало обработки...",
+        "file": str(file_path.name),
+        "result": None,
+        "error": None,
+        "started": datetime.now().isoformat(),
+    }
+    
+    await _send_progress(task_id, 5, "Извлечение аудио...", "processing")
+    
+    try:
+        # Загружаем конфиг
+        config = load_config()
+        profile = get_profile(config)
+        
+        await _send_progress(task_id, 15, "Загрузка моделей ИИ...", "processing")
+        
+        # Подготовка аудио
+        audio_path = prepare_audio_input(str(file_path))
+        
+        await _send_progress(task_id, 25, "Транскрибация (распознавание речи)...", "processing")
+        
+        # Запуск пайплайна
+        result = run_pipeline(
+            input_path=str(file_path),
+            profile_name=None,
+            config_path=None,
+        )
+        
+        await _send_progress(task_id, 75, "Генерация документов...", "processing")
+        
+        # Определяем имена выходных файлов
+        stem = file_path.stem
+        output_dir = PROCESSED_DIR / stem
+        output_dir.mkdir(parents=True, exist_ok=True)
+        
+        # Сохраняем docx и md
+        docx_path = str(output_dir / f"{stem}.docx")
+        md_path = str(output_dir / f"{stem}.md")
+        
+        build_document(result["segments"], docx_path, config)
+        build_document(result["segments"], md_path, config)
+        
+        # Также сохраняем исходник
+        src_copy = output_dir / file_path.name
+        if not src_copy.exists():
+            shutil.copy2(str(file_path), str(src_copy))
+        
+        result_data = {
+            "docx": str(docx_path),
+            "md": str(md_path),
+            "dir": str(output_dir),
+        }
+        
+        await _send_progress(task_id, 100, "Обработка завершена", "completed", result=result_data)
+        
+        tasks[task_id].update({
+            "status": "completed",
+            "progress": 100,
+            "message": "Обработка завершена",
+            "result": result_data,
+            "finished": datetime.now().isoformat(),
+        })
+        
+    except Exception as e:
+        error_msg = str(e)
+        await _send_progress(task_id, 0, f"Ошибка: {error_msg}", "error", error=error_msg)
+        tasks[task_id].update({
+            "status": "error",
+            "progress": 0,
+            "message": f"Ошибка: {error_msg}",
+            "error": error_msg,
+        })
+
+
+# Очередь задач
+_queue: asyncio.Queue = asyncio.Queue()
+_workers: List[asyncio.Task] = []
+
+
+async def _worker_loop():
+    """Рабочий цикл обработки."""
+    while True:
+        try:
+            task_id, file_path = await _queue.get()
+            await process_file(file_path, task_id)
+            _queue.task_done()
+        except asyncio.CancelledError:
+            break
+        except Exception as e:
+            print(f"[Worker Error] {e}")
+
+
+def start_workers(num_workers: int = 1):
+    """Запускает рабочих."""
+    global _workers
+    loop = asyncio.get_event_loop()
+    for i in range(num_workers):
+        task = loop.create_task(_worker_loop())
+        _workers.append(task)
+
+
+def stop_workers():
+    """Останавливает рабочих."""
+    for w in _workers:
+        w.cancel()
+
+
+async def enqueue(file_path: Path) -> str:
+    """Добавляет файл в очередь."""
+    task_id = f"task_{datetime.now().strftime('%Y%m%d_%H%M%S')}_{file_path.stem}"
+    tasks[task_id] = {
+        "task_id": task_id,
+        "status": "queued",
+        "progress": 0,
+        "message": "В очереди...",
+        "file": str(file_path.name),
+        "result": None,
+        "error": None,
+        "started": datetime.now().isoformat(),
+    }
+    await _queue.put((task_id, file_path))
+    return task_id
+
+
+def get_task_status(task_id: str) -> Optional[Dict[str, Any]]:
+    """Возвращает статус задачи."""
+    return tasks.get(task_id)
+
+
+def get_all_tasks() -> List[Dict[str, Any]]:
+    """Возвращает все задачи."""
+    return list(tasks.values())
+
+
+def get_processed_tree() -> List[Dict[str, Any]]:
+    """Возвращает дерево обработанных файлов."""
+    tree = []
+    if not PROCESSED_DIR.exists():
+        return tree
+    
+    for item in sorted(PROCESSED_DIR.iterdir()):
+        if item.is_dir():
+            files = []
+            for f in sorted(item.iterdir()):
+                if f.is_file():
+                    files.append({
+                        "name": f.name,
+                        "path": str(f.relative_to(PROCESSED_DIR)),
+                        "size": f.stat().st_size,
+                        "ext": f.suffix.lower(),
+                    })
+            tree.append({
+                "name": item.name,
+                "path": str(item.relative_to(PROCESSED_DIR)),
+                "files": files,
+                "created": datetime.fromtimestamp(item.stat().st_ctime).isoformat(),
+            })
+    return tree
+
+
+def read_file_content(rel_path: str) -> str:
+    """Читает содержимое файла."""
+    full_path = PROCESSED_DIR / rel_path
+    if not full_path.exists() or not full_path.is_file():
+        raise FileNotFoundError(f"Файл не найден: {rel_path}")
+    
+    with open(full_path, "r", encoding="utf-8") as f:
+        return f.read()
diff --git a/backend/static/app.js b/backend/static/app.js
new file mode 100644
index 0000000..bd9167b
--- /dev/null
+++ b/backend/static/app.js
@@ -0,0 +1,362 @@
+/**
+ * Frontend application for Transcription Service
+ */
+
+class TranscriptionApp {
+    constructor() {
+        this.ws = null;
+        this.tasks = new Map();
+        this.currentFile = null;
+        this.init();
+    }
+
+    init() {
+        this.connectWebSocket();
+        this.setupUpload();
+        this.loadFileTree();
+    }
+
+    // ===== WebSocket =====
+    connectWebSocket() {
+        const protocol = window.location.protocol === 'https:' ? 'wss:' : 'ws:';
+        this.ws = new WebSocket(`${protocol}//${window.location.host}/ws`);
+
+        this.ws.onopen = () => {
+            console.log('WebSocket connected');
+            this.showToast('Подключено к серверу', 'success');
+            this.requestTasks();
+            this.requestTree();
+        };
+
+        this.ws.onmessage = (event) => {
+            const data = JSON.parse(event.data);
+            this.handleWebSocketMessage(data);
+        };
+
+        this.ws.onclose = () => {
+            console.log('WebSocket disconnected, reconnecting in 3s...');
+            setTimeout(() => this.connectWebSocket(), 3000);
+        };
+
+        this.ws.onerror = (error) => {
+            console.error('WebSocket error:', error);
+        };
+    }
+
+    sendWS(data) {
+        if (this.ws && this.ws.readyState === WebSocket.OPEN) {
+            this.ws.send(JSON.stringify(data));
+        }
+    }
+
+    requestTasks() {
+        this.sendWS({ action: 'get_tasks' });
+    }
+
+    requestTree() {
+        this.sendWS({ action: 'get_tree' });
+    }
+
+    handleWebSocketMessage(data) {
+        if (data.type === 'tasks_list') {
+            this.updateTasks(data.tasks);
+        } else if (data.type === 'file_tree') {
+            this.renderFileTree(data.tree);
+        } else if (data.task_id) {
+            // Прогресс обработки
+            this.updateTaskProgress(data);
+        }
+    }
+
+    // ===== Upload =====
+    setupUpload() {
+        const dropZone = document.getElementById('dropZone');
+        const fileInput = document.getElementById('fileInput');
+        const browseLink = document.querySelector('.browse-link');
+
+        // Click to browse
+        browseLink.addEventListener('click', () => fileInput.click());
+        dropZone.addEventListener('click', (e) => {
+            if (e.target === dropZone || e.target.closest('.drop-zone-content')) {
+                fileInput.click();
+            }
+        });
+
+        // File input change
+        fileInput.addEventListener('change', (e) => {
+            this.handleFiles(e.target.files);
+        });
+
+        // Drag & drop
+        dropZone.addEventListener('dragover', (e) => {
+            e.preventDefault();
+            dropZone.classList.add('drag-over');
+        });
+
+        dropZone.addEventListener('dragleave', () => {
+            dropZone.classList.remove('drag-over');
+        });
+
+        dropZone.addEventListener('drop', (e) => {
+            e.preventDefault();
+            dropZone.classList.remove('drag-over');
+            this.handleFiles(e.dataTransfer.files);
+        });
+    }
+
+    async handleFiles(files) {
+        if (!files.length) return;
+
+        const formData = new FormData();
+        for (const file of files) {
+            formData.append('files', file);
+        }
+
+        try {
+            this.showToast(`Загрузка ${files.length} файл(а)...`, 'info');
+
+            const response = await fetch('/upload-batch', {
+                method: 'POST',
+                body: formData,
+            });
+
+            const result = await response.json();
+
+            if (result.error) {
+                this.showToast(`Ошибка: ${result.error}`, 'error');
+            } else {
+                this.showToast(`Загружено ${result.uploaded} файл(а). Начинается обработка...`, 'success');
+                result.tasks.forEach(task => {
+                    this.tasks.set(task.task_id, task);
+                });
+                this.renderTasks();
+            }
+        } catch (error) {
+            this.showToast(`Ошибка загрузки: ${error.message}`, 'error');
+        }
+    }
+
+    // ===== Tasks / Progress =====
+    updateTasks(tasks) {
+        tasks.forEach(task => {
+            this.tasks.set(task.file + '_' + task.started, task);
+        });
+        this.renderTasks();
+    }
+
+    updateTaskProgress(data) {
+        const existing = Array.from(this.tasks.values()).find(t => t.task_id === data.task_id);
+        if (existing) {
+            Object.assign(existing, data);
+        } else {
+            this.tasks.set(data.task_id, data);
+        }
+        this.renderTasks();
+
+        if (data.status === 'completed') {
+            this.showToast(`Готово: ${data.message}`, 'success');
+            this.requestTree();
+        } else if (data.status === 'error') {
+            this.showToast(`Ошибка: ${data.message}`, 'error');
+        }
+    }
+
+    renderTasks() {
+        const container = document.getElementById('tasksList');
+        const tasks = Array.from(this.tasks.values());
+
+        if (tasks.length === 0) {
+            container.innerHTML = '<p class="empty-state">Нет активных задач</p>';
+            return;
+        }
+
+        container.innerHTML = tasks.map(task => this.renderTaskItem(task)).join('');
+    }
+
+    renderTaskItem(task) {
+        const progress = task.progress || 0;
+        const statusClass = task.status === 'completed' ? 'success' :
+                           task.status === 'error' ? 'error' :
+                           task.status === 'processing' ? 'processing' : 'queued';
+
+        return `
+            <div class="task-item ${statusClass}">
+                <div class="task-header">
+                    <span class="task-filename">${this.escapeHtml(task.file || '')}</span>
+                    <span class="task-status-badge ${statusClass}">${this.getStatusLabel(task.status)}</span>
+                </div>
+                <div class="task-progress-bar">
+                    <div class="task-progress-fill" style="width: ${progress}%"></div>
+                </div>
+                <div class="task-message">${this.escapeHtml(task.message || '')}</div>
+            </div>
+        `;
+    }
+
+    getStatusLabel(status) {
+        const labels = {
+            'queued': 'В очереди',
+            'processing': 'Обработка',
+            'completed': 'Готово',
+            'error': 'Ошибка',
+        };
+        return labels[status] || status;
+    }
+
+    // ===== File Tree =====
+    renderFileTree(tree) {
+        const container = document.getElementById('fileTree');
+
+        if (!tree || tree.length === 0) {
+            container.innerHTML = '<p class="empty-state">Нет обработанных файлов</p>';
+            return;
+        }
+
+        container.innerHTML = tree.map(folder => this.renderFolder(folder)).join('');
+    }
+
+    renderFolder(folder) {
+        const files = folder.files.map(file => {
+            const isMd = file.ext === '.md';
+            const isDocx = file.ext === '.docx';
+            const icon = isMd ? '📝' : isDocx ? '📄' : '📎';
+            const clickable = isMd ? 'clickable' : '';
+
+            return `
+                <div class="file-item ${clickable}" data-path="${this.escapeHtml(file.path)}" data-ext="${file.ext}">
+                    <span class="file-icon">${icon}</span>
+                    <span class="file-name">${this.escapeHtml(file.name)}</span>
+                    <span class="file-size">${this.formatBytes(file.size)}</span>
+                </div>
+            `;
+        }).join('');
+
+        return `
+            <div class="folder-item">
+                <div class="folder-header">
+                    <span class="folder-toggle">▼</span>
+                    <span class="folder-icon">📁</span>
+                    <span class="folder-name">${this.escapeHtml(folder.name)}</span>
+                    <span class="folder-date">${this.formatDate(folder.created)}</span>
+                </div>
+                <div class="folder-files">
+                    ${files}
+                </div>
+            </div>
+        `;
+    }
+
+    setupFileTreeEvents() {
+        const container = document.getElementById('fileTree');
+
+        container.addEventListener('click', (e) => {
+            const folderHeader = e.target.closest('.folder-header');
+            if (folderHeader) {
+                const folder = folderHeader.closest('.folder-item');
+                const files = folder.querySelector('.folder-files');
+                const toggle = folderHeader.querySelector('.folder-toggle');
+
+                if (files.style.display === 'none') {
+                    files.style.display = 'block';
+                    toggle.textContent = '▼';
+                } else {
+                    files.style.display = 'none';
+                    toggle.textContent = '▶';
+                }
+            }
+
+            const fileItem = e.target.closest('.file-item.clickable');
+            if (fileItem) {
+                const path = fileItem.dataset.path;
+                const ext = fileItem.dataset.ext;
+                this.loadFileContent(path, ext);
+            }
+        });
+    }
+
+    // ===== Viewer =====
+    async loadFileContent(path, ext) {
+        const viewer = document.getElementById('viewer');
+
+        if (ext === '.md') {
+            try {
+                const response = await fetch(`/api/files/content?path=${encodeURIComponent(path)}`);
+                const result = await response.json();
+
+                if (result.error) {
+                    viewer.innerHTML = `<div class="error">${this.escapeHtml(result.error)}</div>`;
+                    return;
+                }
+
+                // Render markdown
+                const html = marked.parse(result.content);
+                viewer.innerHTML = `
+                    <div class="md-content">
+                        <div class="md-header">
+                            <span class="md-title">${this.escapeHtml(path)}</span>
+                            <a href="/api/files/download?path=${encodeURIComponent(path)}" 
+                               class="btn-download" download>⬇️ Скачать</a>
+                        </div>
+                        <div class="md-body">${html}</div>
+                    </div>
+                `;
+                this.currentFile = path;
+            } catch (error) {
+                viewer.innerHTML = `<div class="error">Ошибка загрузки: ${this.escapeHtml(error.message)}</div>`;
+            }
+        } else if (ext === '.docx') {
+            viewer.innerHTML = `
+                <div class="file-preview">
+                    <p>Для просмотра DOCX скачайте файл:</p>
+                    <a href="/api/files/download?path=${encodeURIComponent(path)}" 
+                       class="btn-download" download>⬇️ Скачать ${this.escapeHtml(path)}</a>
+                </div>
+            `;
+        }
+    }
+
+    // ===== Utilities =====
+    showToast(message, type = 'info') {
+        const container = document.getElementById('toastContainer');
+        const toast = document.createElement('div');
+        toast.className = `toast toast-${type}`;
+        toast.textContent = message;
+        container.appendChild(toast);
+
+        setTimeout(() => {
+            toast.classList.add('toast-hide');
+            setTimeout(() => toast.remove(), 300);
+        }, 4000);
+    }
+
+    escapeHtml(text) {
+        const div = document.createElement('div');
+        div.textContent = text;
+        return div.innerHTML;
+    }
+
+    formatBytes(bytes) {
+        if (bytes === 0) return '0 B';
+        const k = 1024;
+        const sizes = ['B', 'KB', 'MB', 'GB'];
+        const i = Math.floor(Math.log(bytes) / Math.log(k));
+        return parseFloat((bytes / Math.pow(k, i)).toFixed(1)) + ' ' + sizes[i];
+    }
+
+    formatDate(isoDate) {
+        const date = new Date(isoDate);
+        return date.toLocaleString('ru-RU', {
+            day: '2-digit',
+            month: '2-digit',
+            year: 'numeric',
+            hour: '2-digit',
+            minute: '2-digit',
+        });
+    }
+}
+
+// Initialize
+document.addEventListener('DOMContentLoaded', () => {
+    const app = new TranscriptionApp();
+    app.setupFileTreeEvents();
+});
diff --git a/backend/static/index.html b/backend/static/index.html
new file mode 100644
index 0000000..739a1c9
--- /dev/null
+++ b/backend/static/index.html
@@ -0,0 +1,69 @@
+<!DOCTYPE html>
+<html lang="ru">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Транскрибация совещаний</title>
+    <link rel="stylesheet" href="/static/styles.css">
+    <!-- Markdown renderer -->
+    <script src="https://cdn.jsdelivr.net/npm/marked/marked.min.js"></script>
+</head>
+<body>
+    <div class="container">
+        <header>
+            <h1>🎙️ Транскрибация совещаний</h1>
+            <p class="subtitle">Загрузите аудио или видео файл для получения протокола</p>
+        </header>
+
+        <main>
+            <!-- Upload Section -->
+            <section class="upload-section" id="uploadSection">
+                <div class="drop-zone" id="dropZone">
+                    <div class="drop-zone-content">
+                        <svg class="upload-icon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
+                            <path d="M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4"/>
+                            <polyline points="17 8 12 3 7 8"/>
+                            <line x1="12" y1="3" x2="12" y2="15"/>
+                        </svg>
+                        <p>Перетащите файлы сюда или <span class="browse-link">выберите</span></p>
+                        <p class="hint">Поддерживаются: MP4, AVI, MKV, MOV, WAV, MP3, M4A, OGG, FLAC</p>
+                    </div>
+                    <input type="file" id="fileInput" multiple accept="video/*,audio/*" hidden>
+                </div>
+
+                <!-- Queue Status -->
+                <div class="queue-status" id="queueStatus">
+                    <h3>Очередь обработки</h3>
+                    <div class="tasks-list" id="tasksList">
+                        <p class="empty-state">Нет активных задач</p>
+                    </div>
+                </div>
+            </section>
+
+            <!-- Results Section -->
+            <section class="results-section">
+                <div class="panel-left">
+                    <h2>📁 Файлы</h2>
+                    <div class="file-tree" id="fileTree">
+                        <p class="empty-state">Нет обработанных файлов</p>
+                    </div>
+                </div>
+
+                <div class="panel-right">
+                    <h2>📝 Просмотр</h2>
+                    <div class="viewer" id="viewer">
+                        <div class="empty-viewer">
+                            <p>Выберите файл для просмотра</p>
+                        </div>
+                    </div>
+                </div>
+            </section>
+        </main>
+    </div>
+
+    <!-- Toast notifications -->
+    <div class="toast-container" id="toastContainer"></div>
+
+    <script src="/static/app.js"></script>
+</body>
+</html>
diff --git a/backend/static/styles.css b/backend/static/styles.css
new file mode 100644
index 0000000..afd7f1b
--- /dev/null
+++ b/backend/static/styles.css
@@ -0,0 +1,467 @@
+/* ===== Base ===== */
+* {
+    margin: 0;
+    padding: 0;
+    box-sizing: border-box;
+}
+
+:root {
+    --bg-primary: #0f0f1a;
+    --bg-secondary: #1a1a2e;
+    --bg-tertiary: #16213e;
+    --bg-hover: #1e2a4a;
+    --text-primary: #e0e0e0;
+    --text-secondary: #a0a0b0;
+    --accent: #4a9eff;
+    --accent-hover: #6ab2ff;
+    --success: #4ade80;
+    --error: #f87171;
+    --warning: #fbbf24;
+    --border: #2a2a4a;
+    --radius: 8px;
+    --shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
+}
+
+body {
+    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
+    background: var(--bg-primary);
+    color: var(--text-primary);
+    line-height: 1.6;
+    min-height: 100vh;
+}
+
+.container {
+    max-width: 1400px;
+    margin: 0 auto;
+    padding: 20px;
+}
+
+/* ===== Header ===== */
+header {
+    text-align: center;
+    padding: 30px 0;
+    border-bottom: 1px solid var(--border);
+    margin-bottom: 30px;
+}
+
+header h1 {
+    font-size: 2rem;
+    font-weight: 600;
+    margin-bottom: 8px;
+}
+
+.subtitle {
+    color: var(--text-secondary);
+    font-size: 1rem;
+}
+
+/* ===== Upload Section ===== */
+.upload-section {
+    margin-bottom: 30px;
+}
+
+.drop-zone {
+    background: var(--bg-secondary);
+    border: 2px dashed var(--border);
+    border-radius: var(--radius);
+    padding: 40px;
+    text-align: center;
+    cursor: pointer;
+    transition: all 0.3s ease;
+}
+
+.drop-zone:hover {
+    border-color: var(--accent);
+    background: var(--bg-tertiary);
+}
+
+.drop-zone.drag-over {
+    border-color: var(--accent);
+    background: var(--bg-hover);
+    transform: scale(1.02);
+}
+
+.upload-icon {
+    width: 48px;
+    height: 48px;
+    color: var(--accent);
+    margin-bottom: 12px;
+}
+
+.browse-link {
+    color: var(--accent);
+    text-decoration: underline;
+    cursor: pointer;
+}
+
+.hint {
+    color: var(--text-secondary);
+    font-size: 0.85rem;
+    margin-top: 8px;
+}
+
+/* ===== Queue Status ===== */
+.queue-status {
+    margin-top: 20px;
+    background: var(--bg-secondary);
+    border-radius: var(--radius);
+    padding: 20px;
+}
+
+.queue-status h3 {
+    margin-bottom: 15px;
+    font-size: 1.1rem;
+    color: var(--text-primary);
+}
+
+.tasks-list {
+    display: flex;
+    flex-direction: column;
+    gap: 10px;
+}
+
+.empty-state {
+    color: var(--text-secondary);
+    text-align: center;
+    padding: 20px;
+    font-style: italic;
+}
+
+.task-item {
+    background: var(--bg-tertiary);
+    border-radius: var(--radius);
+    padding: 12px 16px;
+    border-left: 3px solid var(--accent);
+    transition: all 0.3s ease;
+}
+
+.task-item.success { border-left-color: var(--success); }
+.task-item.error { border-left-color: var(--error); }
+.task-item.processing { border-left-color: var(--warning); }
+
+.task-header {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    margin-bottom: 8px;
+}
+
+.task-filename {
+    font-weight: 500;
+    font-size: 0.9rem;
+}
+
+.task-status-badge {
+    font-size: 0.75rem;
+    padding: 2px 8px;
+    border-radius: 12px;
+    font-weight: 600;
+}
+
+.task-status-badge.queued { background: var(--bg-hover); color: var(--text-secondary); }
+.task-status-badge.processing { background: rgba(251, 191, 36, 0.2); color: var(--warning); }
+.task-status-badge.success { background: rgba(74, 222, 128, 0.2); color: var(--success); }
+.task-status-badge.error { background: rgba(248, 113, 113, 0.2); color: var(--error); }
+
+.task-progress-bar {
+    height: 4px;
+    background: var(--bg-hover);
+    border-radius: 2px;
+    overflow: hidden;
+    margin-bottom: 6px;
+}
+
+.task-progress-fill {
+    height: 100%;
+    background: var(--accent);
+    border-radius: 2px;
+    transition: width 0.5s ease;
+}
+
+.task-item.success .task-progress-fill { background: var(--success); }
+.task-item.error .task-progress-fill { background: var(--error); }
+
+.task-message {
+    font-size: 0.8rem;
+    color: var(--text-secondary);
+}
+
+/* ===== Results Section ===== */
+.results-section {
+    display: grid;
+    grid-template-columns: 350px 1fr;
+    gap: 20px;
+    min-height: 500px;
+}
+
+.panel-left, .panel-right {
+    background: var(--bg-secondary);
+    border-radius: var(--radius);
+    padding: 20px;
+    overflow: hidden;
+}
+
+.panel-left h2, .panel-right h2 {
+    font-size: 1.2rem;
+    margin-bottom: 15px;
+    padding-bottom: 10px;
+    border-bottom: 1px solid var(--border);
+}
+
+/* ===== File Tree ===== */
+.file-tree {
+    overflow-y: auto;
+    max-height: calc(100vh - 250px);
+}
+
+.folder-item {
+    margin-bottom: 8px;
+}
+
+.folder-header {
+    display: flex;
+    align-items: center;
+    gap: 8px;
+    padding: 8px 10px;
+    cursor: pointer;
+    border-radius: var(--radius);
+    transition: background 0.2s;
+}
+
+.folder-header:hover {
+    background: var(--bg-hover);
+}
+
+.folder-toggle {
+    font-size: 0.7rem;
+    color: var(--text-secondary);
+    width: 16px;
+    text-align: center;
+}
+
+.folder-icon {
+    font-size: 1.1rem;
+}
+
+.folder-name {
+    flex: 1;
+    font-weight: 500;
+    font-size: 0.9rem;
+}
+
+.folder-date {
+    font-size: 0.7rem;
+    color: var(--text-secondary);
+}
+
+.folder-files {
+    margin-left: 24px;
+    padding-left: 8px;
+    border-left: 1px solid var(--border);
+}
+
+.file-item {
+    display: flex;
+    align-items: center;
+    gap: 8px;
+    padding: 6px 10px;
+    border-radius: var(--radius);
+    transition: background 0.2s;
+    cursor: default;
+}
+
+.file-item.clickable {
+    cursor: pointer;
+}
+
+.file-item.clickable:hover {
+    background: var(--bg-hover);
+}
+
+.file-icon {
+    font-size: 1rem;
+}
+
+.file-name {
+    flex: 1;
+    font-size: 0.85rem;
+    white-space: nowrap;
+    overflow: hidden;
+    text-overflow: ellipsis;
+}
+
+.file-size {
+    font-size: 0.7rem;
+    color: var(--text-secondary);
+}
+
+/* ===== Viewer ===== */
+.viewer {
+    overflow-y: auto;
+    max-height: calc(100vh - 250px);
+}
+
+.empty-viewer {
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    height: 300px;
+    color: var(--text-secondary);
+}
+
+.md-content {
+    background: var(--bg-tertiary);
+    border-radius: var(--radius);
+    overflow: hidden;
+}
+
+.md-header {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    padding: 12px 16px;
+    background: var(--bg-hover);
+    border-bottom: 1px solid var(--border);
+}
+
+.md-title {
+    font-size: 0.85rem;
+    color: var(--text-secondary);
+    font-family: monospace;
+}
+
+.btn-download {
+    background: var(--accent);
+    color: white;
+    text-decoration: none;
+    padding: 6px 12px;
+    border-radius: var(--radius);
+    font-size: 0.8rem;
+    transition: background 0.2s;
+}
+
+.btn-download:hover {
+    background: var(--accent-hover);
+}
+
+.md-body {
+    padding: 20px;
+    line-height: 1.8;
+}
+
+.md-body h1 {
+    font-size: 1.5rem;
+    margin-bottom: 16px;
+    color: var(--text-primary);
+}
+
+.md-body h2, .md-body h3 {
+    margin-top: 20px;
+    margin-bottom: 10px;
+}
+
+.md-body p {
+    margin-bottom: 12px;
+}
+
+.md-body strong {
+    color: var(--accent);
+}
+
+.md-body blockquote {
+    border-left: 3px solid var(--accent);
+    padding-left: 16px;
+    margin: 16px 0;
+    color: var(--text-secondary);
+}
+
+.md-body code {
+    background: var(--bg-hover);
+    padding: 2px 6px;
+    border-radius: 4px;
+    font-family: monospace;
+    font-size: 0.9em;
+}
+
+.md-body pre {
+    background: var(--bg-hover);
+    padding: 16px;
+    border-radius: var(--radius);
+    overflow-x: auto;
+    margin: 16px 0;
+}
+
+.md-body ul, .md-body ol {
+    margin-left: 20px;
+    margin-bottom: 12px;
+}
+
+.file-preview {
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    justify-content: center;
+    height: 300px;
+    gap: 20px;
+}
+
+.error {
+    color: var(--error);
+    padding: 20px;
+    text-align: center;
+}
+
+/* ===== Toast ===== */
+.toast-container {
+    position: fixed;
+    top: 20px;
+    right: 20px;
+    z-index: 1000;
+    display: flex;
+    flex-direction: column;
+    gap: 10px;
+}
+
+.toast {
+    padding: 12px 20px;
+    border-radius: var(--radius);
+    color: white;
+    font-size: 0.9rem;
+    animation: slideIn 0.3s ease;
+    max-width: 300px;
+    word-wrap: break-word;
+    box-shadow: var(--shadow);
+}
+
+.toast-info { background: var(--accent); }
+.toast-success { background: var(--success); }
+.toast-error { background: var(--error); }
+
+.toast-hide {
+    animation: slideOut 0.3s ease forwards;
+}
+
+@keyframes slideIn {
+    from { transform: translateX(100%); opacity: 0; }
+    to { transform: translateX(0); opacity: 1; }
+}
+
+@keyframes slideOut {
+    from { transform: translateX(0); opacity: 1; }
+    to { transform: translateX(100%); opacity: 0; }
+}
+
+/* ===== Responsive ===== */
+@media (max-width: 768px) {
+    .results-section {
+        grid-template-columns: 1fr;
+    }
+    
+    header h1 {
+        font-size: 1.5rem;
+    }
+    
+    .drop-zone {
+        padding: 20px;
+    }
+}
diff --git a/start_server.py b/start_server.py
new file mode 100644
index 0000000..99bf969
--- /dev/null
+++ b/start_server.py
@@ -0,0 +1,28 @@
+"""Скрипт для запуска веб-сервиса транскрибации."""
+
+import sys
+from pathlib import Path
+
+# Добавляем родительскую директорию в путь
+sys.path.insert(0, str(Path(__file__).parent))
+
+import uvicorn
+from backend.main import app
+from backend.queue import start_workers
+
+if __name__ == "__main__":
+    print("🚀 Запуск сервиса транскрибации...")
+    print("📡 Сервер: http://localhost:8000")
+    print("")
+    
+    # Запускаем фоновых рабочих
+    start_workers(num_workers=1)
+    
+    # Запускаем сервер
+    uvicorn.run(
+        "backend.main:app",
+        host="0.0.0.0",
+        port=8000,
+        reload=False,
+        log_level="info",
+    )