diff --git a/src/App.js b/src/App.js
index cfd1aab..804bd00 100644
--- a/src/App.js
+++ b/src/App.js
@@ -1,23 +1,24 @@
-import React from "react";
-import { BrowserRouter as Router, Route, Routes } from "react-router-dom";
+import React, { useState } from 'react';
+import DeviceGroups from "./pages/DeviceGroups";
+import Devices from "./pages/Devices";
 import Sidebar from "./Sidebar";
-import Dashboard from "./pages/Dashboard";
-import DevicesPage from "./pages/DevicesPage"; // Добавляем страницу для управления устройствами
+import Dashboard from './pages/Dashboard';
 
 const App = () => {
+  const [activeTab, setActiveTab] = useState('map'); // По умолчанию активная вкладка "Карта"
+
   return (
-    <Router>
-      <div style={{ display: "flex", height: "100vh" }}>
-        <Sidebar />
-        <div style={{ flex: 1, padding: "20px" }}>
-          <Routes>
-            <Route path="/" element={<Dashboard />} /> {/* Главная страница с картой */}
-            <Route path="/devices" element={<DevicesPage />} /> {/* Страница управления устройствами */}
-          </Routes>
-        </div>
+    <div style={{ display: 'flex' }}>
+      <Sidebar onSelectTab={setActiveTab} activeTab={activeTab} /> {/* Передаем активную вкладку */}
+      <div style={{ padding: '20px', flex: 1 }}>
+        {activeTab === 'map' && <Dashboard />} {/* Подключаем компонент Dashboard */}
+        {activeTab === 'connection' && <div>Подключение</div>}
+        {activeTab === 'account' && <div>Аккаунт пользователя</div>}
+        {activeTab === 'groups' && <DeviceGroups />}  {/* Группы устройств */}
+        {activeTab === 'devices' && <Devices />}      {/* Устройства */}
       </div>
-    </Router>
+    </div>
   );
 };
 
-export default App;
+export default App;
\ No newline at end of file
diff --git a/src/DeviceGroups.css b/src/DeviceGroups.css
new file mode 100644
index 0000000..607c540
--- /dev/null
+++ b/src/DeviceGroups.css
@@ -0,0 +1,48 @@
+.device-groups {
+  padding: 20px;
+}
+
+.device-groups h2 {
+  margin-bottom: 20px;
+}
+
+.group-creation {
+  margin-bottom: 20px;
+}
+
+.group-creation input {
+  padding: 5px;
+  margin-right: 10px;
+}
+
+.group-creation button {
+  padding: 5px 10px;
+}
+
+ul {
+  list-style-type: none;
+  padding: 0;
+}
+
+li {
+  margin-bottom: 20px;
+  padding: 10px;
+  border: 1px solid #ddd;
+  border-radius: 5px;
+}
+
+.active {
+  background-color: #e8f5e9;
+}
+
+.inactive {
+  background-color: #ffebee;
+}
+
+li div {
+  margin-bottom: 10px;
+}
+
+li button {
+  margin-right: 10px;
+}
\ No newline at end of file
diff --git a/src/Devices.css b/src/Devices.css
new file mode 100644
index 0000000..d63e831
--- /dev/null
+++ b/src/Devices.css
@@ -0,0 +1,38 @@
+.devices {
+  padding: 20px;
+}
+
+.devices h2 {
+  margin-bottom: 20px;
+}
+
+.devices table {
+  width: 100%;
+  border-collapse: collapse;
+}
+
+.devices table, .devices th, .devices td {
+  border: 1px solid #ddd;
+}
+
+.devices th, .devices td {
+  padding: 8px;
+  text-align: left;
+}
+
+.devices th {
+  background-color: #34495e;
+  color: white;
+}
+
+.devices tr:hover {
+  background-color: #f1f1f1;
+}
+
+.buttons {
+  margin-top: 20px;
+}
+
+.buttons button {
+  margin-right: 10px;
+}
\ No newline at end of file
diff --git a/src/Sidebar.css b/src/Sidebar.css
index 9b15b64..60f8b09 100644
--- a/src/Sidebar.css
+++ b/src/Sidebar.css
@@ -1,29 +1,50 @@
 .sidebar {
-    width: 250px;
-    height: 100vh;
-    background-color: #2c3e50;
-    color: white;
-    padding: 20px;
-    box-shadow: 2px 0 5px rgba(0, 0, 0, 0.5);
-  }
-  
-  .sidebar h2 {
-    font-size: 24px;
-    margin-bottom: 20px;
-  }
-  
-  .sidebar ul {
-    list-style-type: none;
-    padding: 0;
-  }
-  
-  .sidebar li {
-    margin: 15px 0;
-    cursor: pointer;
-  }
-  
-  .sidebar li:hover {
-    background-color: #34495e;
-    padding: 10px;
-    border-radius: 5px;
-  }
\ No newline at end of file
+  width: 250px;
+  height: 100vh;
+  background-color: #2c3e50;
+  color: white;
+  padding: 20px;
+  box-shadow: 2px 0 5px rgba(0, 0, 0, 0.5);
+}
+
+.sidebar h2 {
+  font-size: 24px;
+  margin-bottom: 20px;
+}
+
+.sidebar ul {
+  list-style-type: none;
+  padding: 0;
+}
+
+.sidebar li {
+  margin: 15px 0;
+  cursor: pointer;
+}
+
+.sidebar li:hover {
+  background-color: #34495e;
+  padding: 10px;
+  border-radius: 5px;
+}
+.sidebar ul {
+  list-style-type: none;
+  padding: 0;
+}
+
+.sidebar li {
+  margin: 15px 0;
+  cursor: pointer;
+  padding: 10px;
+  border-radius: 5px;
+  transition: background-color 0.3s;
+}
+
+.sidebar li:hover {
+  background-color: #34495e;
+}
+
+.sidebar li.active {
+  background-color: #2980b9;
+  color: white;
+}
\ No newline at end of file
diff --git a/src/Sidebar.js b/src/Sidebar.js
index 910678c..1a288f0 100644
--- a/src/Sidebar.js
+++ b/src/Sidebar.js
@@ -1,58 +1,29 @@
-import React from "react";
-import { Link } from "react-router-dom";
+import React from 'react';
+import './Sidebar.css';
 
-const Sidebar = () => {
+const Sidebar = ({ onSelectTab, activeTab }) => {
   return (
-    <div style={styles.sidebar}>
-      <h2 style={styles.heading}>Навигация</h2>
-      <ul style={styles.list}>
-        <li style={styles.listItem}>
-          <Link to="/" style={styles.link}>Карта всех устройств</Link>
+    <div className="sidebar">
+      <h2>Меню</h2>
+      <ul>
+        <li className={activeTab === 'map' ? 'active' : ''} onClick={() => onSelectTab('map')}>
+          Карта в реальном времени
         </li>
-        <li style={styles.listItem}>
-          <Link to="/devices" style={styles.link}>Устройства</Link>
+        <li className={activeTab === 'connection' ? 'active' : ''} onClick={() => onSelectTab('connection')}>
+          Подключение
         </li>
-        <li style={styles.listItem}>
-          <Link to="#" style={styles.link}>Группы устройств</Link>
+        <li className={activeTab === 'account' ? 'active' : ''} onClick={() => onSelectTab('account')}>
+          Аккаунт пользователя
+        </li>
+        <li className={activeTab === 'groups' ? 'active' : ''} onClick={() => onSelectTab('groups')}>
+          Группы устройств
+        </li>
+        <li className={activeTab === 'devices' ? 'active' : ''} onClick={() => onSelectTab('devices')}>
+          Устройства
         </li>
       </ul>
     </div>
   );
 };
 
-// Объект с инлайн-стилями
-const styles = {
-  sidebar: {
-    width: '250px',
-    backgroundColor: '#2c3e50',
-    padding: '20px',
-    height: '100vh',
-    color: 'white',
-    boxShadow: '2px 0 5px rgba(0, 0, 0, 0.1)',
-  },
-  heading: {
-    fontSize: '24px',
-    marginBottom: '20px',
-    color: '#ecf0f1',
-    borderBottom: '2px solid #34495e',
-    paddingBottom: '10px',
-  },
-  list: {
-    listStyleType: 'none',
-    padding: '0',
-  },
-  listItem: {
-    marginBottom: '15px',
-  },
-  link: {
-    color: '#ecf0f1',
-    textDecoration: 'none',
-    fontSize: '18px',
-    display: 'block',
-    padding: '10px',
-    borderRadius: '4px',
-    transition: 'background-color 0.3s',
-  },
-};
-
 export default Sidebar;
\ No newline at end of file
diff --git a/src/pages/DeviceGroups.js b/src/pages/DeviceGroups.js
new file mode 100644
index 0000000..2bc3609
--- /dev/null
+++ b/src/pages/DeviceGroups.js
@@ -0,0 +1,87 @@
+import React, { useState } from 'react';
+import '../DeviceGroups.css';
+
+const DeviceGroups = () => {
+  const [groups, setGroups] = useState([]);
+  const [newGroupName, setNewGroupName] = useState('');
+
+  const createGroup = () => {
+    if (newGroupName) {
+      const newGroup = {
+        name: newGroupName,
+        devices: [],
+        active: true,
+      };
+      setGroups([...groups, newGroup]);
+      setNewGroupName('');
+    }
+  };
+
+  const deleteGroup = (groupName) => {
+    setGroups(groups.filter(group => group.name !== groupName));
+  };
+
+  const toggleGroupStatus = (groupName) => {
+    setGroups(groups.map(group =>
+      group.name === groupName ? { ...group, active: !group.active } : group
+    ));
+  };
+
+  const addDeviceToGroup = (groupName, device) => {
+    setGroups(groups.map(group =>
+      group.name === groupName ? { ...group, devices: [...group.devices, device] } : group
+    ));
+  };
+
+  const removeDeviceFromGroup = (groupName, device) => {
+    setGroups(groups.map(group =>
+      group.name === groupName ? { ...group, devices: group.devices.filter(d => d !== device) } : group
+    ));
+  };
+
+  return (
+    <div className="device-groups">
+      <h2>Группы устройств</h2>
+
+      <div className="group-creation">
+        <input
+          type="text"
+          value={newGroupName}
+          onChange={(e) => setNewGroupName(e.target.value)}
+          placeholder="Название новой группы"
+        />
+        <button onClick={createGroup}>Создать группу</button>
+      </div>
+
+      <ul>
+        {groups.map(group => (
+          <li key={group.name} className={group.active ? 'active' : 'inactive'}>
+            <div>
+              <span>{group.name}</span>
+              <button onClick={() => deleteGroup(group.name)}>Удалить</button>
+              <button onClick={() => toggleGroupStatus(group.name)}>
+                {group.active ? 'Деактивировать' : 'Активировать'}
+              </button>
+            </div>
+
+            <div>
+              <h4>Устройства в группе:</h4>
+              <ul>
+                {group.devices.map((device, index) => (
+                  <li key={index}>
+                    {device} <button onClick={() => removeDeviceFromGroup(group.name, device)}>Удалить</button>
+                  </li>
+                ))}
+              </ul>
+              <button onClick={() => addDeviceToGroup(group.name, 'Новое устройство')}>
+                Добавить устройство
+              </button>
+            </div>
+          </li>
+        ))}
+      </ul>
+    </div>
+  );
+};
+
+export default DeviceGroups;
\ No newline at end of file
diff --git a/src/pages/Devices.js b/src/pages/Devices.js
new file mode 100644
index 0000000..adb5992
--- /dev/null
+++ b/src/pages/Devices.js
@@ -0,0 +1,93 @@
+import React, { useState } from 'react';
+import { QRCodeCanvas } from "qrcode.react";
+import '../Devices.css';
+
+const Devices = () => {
+  const [devices, setDevices] = useState([]);
+  const [selectedDevice, setSelectedDevice] = useState(null);
+  const [deviceName, setDeviceName] = useState('');
+  const [deviceStatus, setDeviceStatus] = useState('');
+
+  const addDevice = () => {
+    if (deviceName) {
+      const newDevice = { name: deviceName, status: deviceStatus || 'Неактивен', id: Date.now() };
+      setDevices([...devices, newDevice]);
+      setDeviceName('');
+      setDeviceStatus('');
+    }
+  };
+
+  const removeDevice = () => {
+    if (selectedDevice) {
+      setDevices(devices.filter(device => device.id !== selectedDevice.id));
+      setSelectedDevice(null);
+    }
+  };
+
+  const editDevice = () => {
+    if (selectedDevice) {
+      const updatedDevices = devices.map(device =>
+        device.id === selectedDevice.id
+          ? { ...device, name: deviceName, status: deviceStatus }
+          : device
+      );
+      setDevices(updatedDevices);
+      setSelectedDevice(null);
+      setDeviceName('');
+      setDeviceStatus('');
+    }
+  };
+
+  const generateQR = (device) => {
+    return (
+      <QRCodeCanvas value={JSON.stringify(device)} size={128} />
+    );
+  };
+
+  return (
+    <div className="devices">
+      <h2>Устройства</h2>
+      <input
+        type="text"
+        placeholder="Название устройства"
+        value={deviceName}
+        onChange={(e) => setDeviceName(e.target.value)}
+      />
+      <input
+        type="text"
+        placeholder="Статус устройства"
+        value={deviceStatus}
+        onChange={(e) => setDeviceStatus(e.target.value)}
+      />
+      <table>
+        <thead>
+          <tr>
+            <th>Название</th>
+            <th>Статус</th>
+            <th>QR Код</th>
+            <th>Действия</th>
+          </tr>
+        </thead>
+        <tbody>
+          {devices.map((device) => (
+            <tr key={device.id} onClick={() => setSelectedDevice(device)}>
+              <td>{device.name}</td>
+              <td>{device.status}</td>
+              <td>{generateQR(device)}</td>
+              <td>
+                <button onClick={editDevice}>Редактировать</button>
+              </td>
+            </tr>
+          ))}
+        </tbody>
+      </table>
+      <div className="buttons">
+        <button onClick={addDevice}>Добавить</button>
+        <button onClick={removeDevice} disabled={!selectedDevice}>Удалить выбранное</button>
+        <button onClick={editDevice} disabled={!selectedDevice}>Сохранить изменения</button>
+      </div>
+    </div>
+  );
+};
+
+export default Devices;
\ No newline at end of file
diff --git a/src/pages/DevicesPage.js b/src/pages/DevicesPage.js
deleted file mode 100644
index e919589..0000000
--- a/src/pages/DevicesPage.js
+++ /dev/null
@@ -1,180 +0,0 @@
-import React, { useState } from "react";
-import { QRCodeCanvas } from "qrcode.react";
-
-const DevicesPage = () => {
-  const [devices, setDevices] = useState([]);
-  const [newDeviceName, setNewDeviceName] = useState("");
-  const [editDeviceId, setEditDeviceId] = useState(null);
-  const [editDeviceName, setEditDeviceName] = useState("");
-
-  const addDevice = () => {
-    if (newDeviceName) {
-      setDevices([...devices, { name: newDeviceName, id: Date.now() }]);
-      setNewDeviceName("");
-    }
-  };
-
-  const removeDevice = (id) => {
-    setDevices(devices.filter((device) => device.id !== id));
-  };
-
-  const startEditDevice = (device) => {
-    setEditDeviceId(device.id);
-    setEditDeviceName(device.name);
-  };
-
-  const saveDeviceEdit = () => {
-    setDevices(
-      devices.map((device) =>
-        device.id === editDeviceId ? { ...device, name: editDeviceName } : device
-      )
-    );
-    setEditDeviceId(null);
-    setEditDeviceName("");
-  };
-
-  return (
-    <div style={styles.container}>
-      <h1 style={styles.title}>Устройства</h1>
-      <div style={styles.addDevice}>
-        <input
-          type="text"
-          value={newDeviceName}
-          onChange={(e) => setNewDeviceName(e.target.value)}
-          placeholder="Название нового устройства"
-          style={styles.input}
-        />
-        <button onClick={addDevice} style={styles.addButton}>Добавить устройство</button>
-      </div>
-
-      <ul style={styles.deviceList}>
-        {devices.map((device) => (
-          <li key={device.id} style={styles.deviceItem}>
-            {editDeviceId === device.id ? (
-              <div style={styles.editContainer}>
-                <input
-                  type="text"
-                  value={editDeviceName}
-                  onChange={(e) => setEditDeviceName(e.target.value)}
-                  placeholder="Новое имя устройства"
-                  style={styles.input}
-                />
-                <button onClick={saveDeviceEdit} style={styles.saveButton}>Сохранить</button>
-                <button onClick={() => setEditDeviceId(null)} style={styles.cancelButton}>Отмена</button>
-              </div>
-            ) : (
-              <>
-                <b style={styles.deviceName}>{device.name}</b>
-                <button onClick={() => startEditDevice(device)} style={styles.editButton}>
-                  Редактировать
-                </button>
-                <button onClick={() => removeDevice(device.id)} style={styles.deleteButton}>
-                  Удалить
-                </button>
-                {/* Генерация QR-кода для устройства */}
-                <QRCodeCanvas value={`Device ID: ${device.id}, Device Name: ${device.name}`} />
-              </>
-            )}
-          </li>
-        ))}
-      </ul>
-    </div>
-  );
-};
-
-const styles = {
-  container: {
-    padding: "20px",
-    backgroundColor: "#f5f5f5",
-    borderRadius: "8px",
-    boxShadow: "0 2px 10px rgba(0, 0, 0, 0.1)",
-  },
-  title: {
-    marginBottom: "20px",
-    color: "#333",
-  },
-  addDevice: {
-    marginBottom: "20px",
-    display: "flex",
-    alignItems: "center",
-  },
-  input: {
-    padding: "10px",
-    marginRight: "10px",
-    border: "1px solid #ccc",
-    borderRadius: "4px",
-    flexGrow: 1,
-  },
-  addButton: {
-    padding: "10px 15px",
-    backgroundColor: "#3498db",
-    color: "white",
-    border: "none",
-    borderRadius: "4px",
-    cursor: "pointer",
-    transition: "background-color 0.3s",
-  },
-  addButtonHover: {
-    backgroundColor: "#2980b9",
-  },
-  deviceList: {
-    listStyleType: "none",
-    padding: "0",
-  },
-  deviceItem: {
-    backgroundColor: "white",
-    borderRadius: "5px",
-    padding: "15px",
-    marginBottom: "10px",
-    boxShadow: "0 1px 5px rgba(0, 0, 0, 0.1)",
-    display: "flex",
-    alignItems: "center",
-    justifyContent: "space-between",
-  },
-  editContainer: {
-    display: "flex",
-    alignItems: "center",
-  },
-  deviceName: {
-    flexGrow: 1,
-    fontWeight: "bold",
-  },
-  editButton: {
-    marginLeft: "10px",
-    padding: "5px 10px",
-    backgroundColor: "#f39c12",
-    color: "white",
-    border: "none",
-    borderRadius: "4px",
-    cursor: "pointer",
-  },
-  deleteButton: {
-    marginLeft: "10px",
-    padding: "5px 10px",
-    backgroundColor: "#e74c3c",
-    color: "white",
-    border: "none",
-    borderRadius: "4px",
-    cursor: "pointer",
-  },
-  saveButton: {
-    marginLeft: "10px",
-    padding: "5px 10px",
-    backgroundColor: "#2ecc71",
-    color: "white",
-    border: "none",
-    borderRadius: "4px",
-    cursor: "pointer",
-  },
-  cancelButton: {
-    marginLeft: "10px",
-    padding: "5px 10px",
-    backgroundColor: "#95a5a6",
-    color: "white",
-    border: "none",
-    borderRadius: "4px",
-    cursor: "pointer",
-  },
-};
-
-export default DevicesPage;
\ No newline at end of file