diff --git a/README.md b/README.md
index 47a1add059..9af70d3531 100644
--- a/README.md
+++ b/README.md
@@ -47,4 +47,4 @@ Implement the ability to edit a todo title on double click:
 
 - Implement a solution following the [React task guideline](https://github.com/mate-academy/react_task-guideline#react-tasks-guideline).
 - Use the [React TypeScript cheat sheet](https://mate-academy.github.io/fe-program/js/extra/react-typescript).
-- Replace `<your_account>` with your Github username in the [DEMO LINK](https://<your_account>.github.io/react_todo-app-with-api/) and add it to the PR description.
+- Replace `<your_account>` with your Github username in the [DEMO LINK](https://anastasiia-levochkina.github.io/react_todo-app-with-api/) and add it to the PR description.
diff --git a/package-lock.json b/package-lock.json
index 19701e8788..0dbc74a8e1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -19,7 +19,7 @@
       },
       "devDependencies": {
         "@cypress/react18": "^2.0.1",
-        "@mate-academy/scripts": "^1.8.5",
+        "@mate-academy/scripts": "^2.1.3",
         "@mate-academy/students-ts-config": "*",
         "@mate-academy/stylelint-config": "*",
         "@types/node": "^20.14.10",
@@ -1183,10 +1183,11 @@
       }
     },
     "node_modules/@mate-academy/scripts": {
-      "version": "1.8.5",
-      "resolved": "https://registry.npmjs.org/@mate-academy/scripts/-/scripts-1.8.5.tgz",
-      "integrity": "sha512-mHRY2FkuoYCf5U0ahIukkaRo5LSZsxrTSgMJheFoyf3VXsTvfM9OfWcZIDIDB521kdPrScHHnRp+JRNjCfUO5A==",
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/@mate-academy/scripts/-/scripts-2.1.3.tgz",
+      "integrity": "sha512-a07wHTj/1QUK2Aac5zHad+sGw4rIvcNl5lJmJpAD7OxeSbnCdyI6RXUHwXhjF5MaVo9YHrJ0xVahyERS2IIyBQ==",
       "dev": true,
+      "license": "MIT",
       "dependencies": {
         "@octokit/rest": "^17.11.2",
         "@types/get-port": "^4.2.0",
diff --git a/package.json b/package.json
index b6062525ab..6d0f20adcc 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
   },
   "devDependencies": {
     "@cypress/react18": "^2.0.1",
-    "@mate-academy/scripts": "^1.8.5",
+    "@mate-academy/scripts": "^2.1.3",
     "@mate-academy/students-ts-config": "*",
     "@mate-academy/stylelint-config": "*",
     "@types/node": "^20.14.10",
diff --git a/src/App.tsx b/src/App.tsx
index 81e011f432..1a4b2bd349 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -1,26 +1,250 @@
 /* eslint-disable max-len */
-/* eslint-disable jsx-a11y/control-has-associated-label */
-import React from 'react';
+import React, { useEffect, useMemo, useRef, useState } from 'react';
 import { UserWarning } from './UserWarning';
-
-const USER_ID = 0;
+import {
+  getTodos,
+  createTodo,
+  deleteTodo,
+  updateTodo,
+  USER_ID,
+} from './api/todos';
+import { Todo } from './types/Todo';
+import { FilterType } from './types/FilterType';
+import { TodoHeader } from './components/TodoHeader';
+import { TodoList } from './components/TodoList';
+import { TodoFooter } from './components/TodoFooter';
+import { ErrorNotification } from './components/ErrorNotification';
 
 export const App: React.FC = () => {
+  const [todos, setTodos] = useState<Todo[]>([]);
+  const [tempTodo, setTempTodo] = useState<Todo | null>(null);
+  const [newTitle, setNewTitle] = useState('');
+  const [loadingIds, setLoadingIds] = useState<number[]>([]);
+  const [errorMessage, setErrorMessage] = useState('');
+  const [filter, setFilter] = useState<FilterType>(FilterType.All);
+  const [editingId, setEditingId] = useState<number | null>(null);
+  const [editingTitle, setEditingTitle] = useState('');
+
+  const inputRef = useRef<HTMLInputElement>(null);
+
+  useEffect(() => {
+    if (errorMessage) {
+      const timer = window.setTimeout(() => {
+        setErrorMessage('');
+      }, 3000);
+
+      return () => clearTimeout(timer);
+    }
+
+    return undefined;
+  }, [errorMessage]);
+
+  useEffect(() => {
+    getTodos()
+      .then(setTodos)
+      .catch(() => setErrorMessage('Unable to load todos'));
+  }, []);
+
+  const handleSubmit = async (event: React.FormEvent) => {
+    event.preventDefault();
+
+    const title = newTitle.trim();
+
+    if (!title) {
+      setErrorMessage('Title should not be empty');
+      setTimeout(() => {
+        inputRef.current?.focus();
+      }, 0);
+
+      return;
+    }
+
+    const temp: Todo = {
+      id: 0,
+      userId: USER_ID,
+      title,
+      completed: false,
+    };
+
+    setTempTodo(temp);
+
+    try {
+      const created = await createTodo({
+        userId: USER_ID,
+        title,
+        completed: false,
+      });
+
+      setTodos(prev => [...prev, created]);
+      setNewTitle('');
+    } catch {
+      setErrorMessage('Unable to add a todo');
+    } finally {
+      setTempTodo(null);
+      setTimeout(() => {
+        inputRef.current?.focus();
+      }, 0);
+    }
+  };
+
+  const handleDelete = async (id: number) => {
+    setLoadingIds(prev => [...prev, id]);
+
+    try {
+      await deleteTodo(id);
+      setTodos(prev => prev.filter(todo => todo.id !== id));
+    } catch {
+      setErrorMessage('Unable to delete a todo');
+    } finally {
+      setLoadingIds(prev => prev.filter(item => item !== id));
+      inputRef.current?.focus();
+    }
+  };
+
+  const handleToggle = async (todo: Todo) => {
+    setLoadingIds(prev => [...prev, todo.id]);
+
+    try {
+      const updated = await updateTodo(todo.id, {
+        completed: !todo.completed,
+      });
+
+      setTodos(prev => prev.map(t => (t.id === todo.id ? updated : t)));
+    } catch {
+      setErrorMessage('Unable to update a todo');
+    } finally {
+      setLoadingIds(prev => prev.filter(id => id !== todo.id));
+    }
+  };
+
+  const handleToggleAll = async () => {
+    const allCompleted = todos.length > 0 && todos.every(t => t.completed);
+
+    const toUpdate = todos.filter(t => t.completed === allCompleted);
+
+    await Promise.all(toUpdate.map(todo => handleToggle(todo)));
+  };
+
+  const handleEditStart = (todo: Todo) => {
+    setEditingId(todo.id);
+    setEditingTitle(todo.title);
+  };
+
+  const handleEditSave = async (todo: Todo) => {
+    const trimmed = editingTitle.trim();
+
+    if (trimmed === todo.title) {
+      setEditingId(null);
+
+      return;
+    }
+
+    if (!trimmed) {
+      setLoadingIds(prev => [...prev, todo.id]);
+
+      try {
+        await deleteTodo(todo.id);
+
+        setTodos(prev => prev.filter(t => t.id !== todo.id));
+        setEditingId(null);
+      } catch {
+        setErrorMessage('Unable to delete a todo');
+
+        return;
+      } finally {
+        setLoadingIds(prev => prev.filter(id => id !== todo.id));
+      }
+
+      return;
+    }
+
+    setLoadingIds(prev => [...prev, todo.id]);
+
+    try {
+      const updated = await updateTodo(todo.id, {
+        title: trimmed,
+      });
+
+      setTodos(prev => prev.map(t => (t.id === todo.id ? updated : t)));
+
+      setEditingId(null);
+    } catch {
+      setErrorMessage('Unable to update a todo');
+    } finally {
+      setLoadingIds(prev => prev.filter(id => id !== todo.id));
+    }
+  };
+
+  const visibleTodos = useMemo(() => {
+    switch (filter) {
+      case FilterType.Active:
+        return todos.filter(todo => !todo.completed);
+      case FilterType.Completed:
+        return todos.filter(todo => todo.completed);
+      default:
+        return todos;
+    }
+  }, [todos, filter]);
+
+  const activeCount = todos.filter(todo => !todo.completed).length;
+  const hasCompleted = todos.some(todo => todo.completed);
+
   if (!USER_ID) {
     return <UserWarning />;
   }
 
+  const handleClearCompleted = () => {
+    Promise.all(
+      todos.filter(todo => todo.completed).map(todo => handleDelete(todo.id)),
+    );
+  };
+
   return (
-    <section className="section container">
-      <p className="title is-4">
-        Copy all you need from the prev task:
-        <br />
-        <a href="https://github.com/mate-academy/react_todo-app-add-and-delete#react-todo-app-add-and-delete">
-          React Todo App - Add and Delete
-        </a>
-      </p>
-
-      <p className="subtitle">Styles are already copied</p>
-    </section>
+    <div className="todoapp">
+      <h1 className="todoapp__title">todos</h1>
+
+      <div className="todoapp__content">
+        <TodoHeader
+          todos={todos}
+          newTitle={newTitle}
+          tempTodo={tempTodo}
+          inputRef={inputRef}
+          onToggleAll={handleToggleAll}
+          onSubmit={handleSubmit}
+          onNewTitleChange={setNewTitle}
+        />
+
+        {(todos.length > 0 || tempTodo) && (
+          <TodoList
+            todos={visibleTodos}
+            tempTodo={tempTodo}
+            loadingIds={loadingIds}
+            editingId={editingId}
+            editingTitle={editingTitle}
+            onToggle={handleToggle}
+            onDelete={handleDelete}
+            onEditStart={handleEditStart}
+            onEditSave={handleEditSave}
+            onEditTitleChange={setEditingTitle}
+            onEditCancel={() => setEditingId(null)}
+          />
+        )}
+
+        {todos.length > 0 && (
+          <TodoFooter
+            activeCount={activeCount}
+            hasCompleted={hasCompleted}
+            filter={filter}
+            onFilterChange={setFilter}
+            onClearCompleted={handleClearCompleted}
+          />
+        )}
+      </div>
+
+      <ErrorNotification
+        message={errorMessage}
+        onClose={() => setErrorMessage('')}
+      />
+    </div>
   );
 };
diff --git a/src/api/todos.ts b/src/api/todos.ts
new file mode 100644
index 0000000000..864eecfaff
--- /dev/null
+++ b/src/api/todos.ts
@@ -0,0 +1,20 @@
+import { client } from '../utils/fetchClient';
+import { Todo } from '../types/Todo';
+
+export const USER_ID = 3953; // твой id
+
+export const getTodos = () => {
+  return client.get<Todo[]>(`/todos?userId=${USER_ID}`);
+};
+
+export const createTodo = (todo: Omit<Todo, 'id'>) => {
+  return client.post<Todo>('/todos', todo);
+};
+
+export const deleteTodo = (id: number) => {
+  return client.delete(`/todos/${id}`);
+};
+
+export const updateTodo = (id: number, data: Partial<Todo>) => {
+  return client.patch<Todo>(`/todos/${id}`, data);
+};
diff --git a/src/components/ErrorNotification.tsx b/src/components/ErrorNotification.tsx
new file mode 100644
index 0000000000..eb015e9654
--- /dev/null
+++ b/src/components/ErrorNotification.tsx
@@ -0,0 +1,28 @@
+import React from 'react';
+import classNames from 'classnames';
+
+interface ErrorNotificationProps {
+  message: string;
+  onClose: () => void;
+}
+
+export const ErrorNotification: React.FC<ErrorNotificationProps> = ({
+  message,
+  onClose,
+}) => {
+  return (
+    <div
+      data-cy="ErrorNotification"
+      className={classNames('notification is-danger is-light', {
+        hidden: !message,
+      })}
+    >
+      <button
+        data-cy="HideErrorButton"
+        className="delete"
+        onClick={onClose}
+      />
+      {message}
+    </div>
+  );
+};
diff --git a/src/components/TodoFooter.tsx b/src/components/TodoFooter.tsx
new file mode 100644
index 0000000000..7b16bd7e71
--- /dev/null
+++ b/src/components/TodoFooter.tsx
@@ -0,0 +1,68 @@
+import React from 'react';
+import classNames from 'classnames';
+import { FilterType } from '../types/FilterType';
+
+interface TodoFooterProps {
+  activeCount: number;
+  hasCompleted: boolean;
+  filter: FilterType;
+  onFilterChange: (filter: FilterType) => void;
+  onClearCompleted: () => void;
+}
+
+export const TodoFooter: React.FC<TodoFooterProps> = ({
+  activeCount,
+  hasCompleted,
+  filter,
+  onFilterChange,
+  onClearCompleted,
+}) => {
+  return (
+    <footer className="todoapp__footer" data-cy="Footer">
+      <span data-cy="TodosCounter">{activeCount} items left</span>
+
+      <nav className="filter" data-cy="Filter">
+        <a
+          href="#/"
+          data-cy="FilterLinkAll"
+          className={classNames('filter__link', {
+            selected: filter === FilterType.All,
+          })}
+          onClick={() => onFilterChange(FilterType.All)}
+        >
+          All
+        </a>
+
+        <a
+          href="#/active"
+          data-cy="FilterLinkActive"
+          className={classNames('filter__link', {
+            selected: filter === FilterType.Active,
+          })}
+          onClick={() => onFilterChange(FilterType.Active)}
+        >
+          Active
+        </a>
+
+        <a
+          href="#/completed"
+          data-cy="FilterLinkCompleted"
+          className={classNames('filter__link', {
+            selected: filter === FilterType.Completed,
+          })}
+          onClick={() => onFilterChange(FilterType.Completed)}
+        >
+          Completed
+        </a>
+      </nav>
+
+      <button
+        data-cy="ClearCompletedButton"
+        disabled={!hasCompleted}
+        onClick={onClearCompleted}
+      >
+        Clear completed
+      </button>
+    </footer>
+  );
+};
diff --git a/src/components/TodoHeader.tsx b/src/components/TodoHeader.tsx
new file mode 100644
index 0000000000..51c8fdedf9
--- /dev/null
+++ b/src/components/TodoHeader.tsx
@@ -0,0 +1,51 @@
+import React from 'react';
+import classNames from 'classnames';
+import { Todo } from '../types/Todo';
+
+interface TodoHeaderProps {
+  todos: Todo[];
+  newTitle: string;
+  tempTodo: Todo | null;
+  inputRef: React.RefObject<HTMLInputElement>;
+  onToggleAll: () => void;
+  onSubmit: (event: React.FormEvent) => void;
+  onNewTitleChange: (title: string) => void;
+}
+
+export const TodoHeader: React.FC<TodoHeaderProps> = ({
+  todos,
+  newTitle,
+  tempTodo,
+  inputRef,
+  onToggleAll,
+  onSubmit,
+  onNewTitleChange,
+}) => {
+  return (
+    <header className="todoapp__header">
+      {todos.length > 0 && (
+        <button
+          type="button"
+          data-cy="ToggleAllButton"
+          className={classNames('todoapp__toggle-all', {
+            active: todos.every(todo => todo.completed),
+          })}
+          onClick={onToggleAll}
+        />
+      )}
+
+      <form onSubmit={onSubmit}>
+        <input
+          ref={inputRef}
+          data-cy="NewTodoField"
+          className="todoapp__new-todo"
+          placeholder="What needs to be done?"
+          value={newTitle}
+          onChange={e => onNewTitleChange(e.target.value)}
+          disabled={tempTodo !== null}
+          autoFocus
+        />
+      </form>
+    </header>
+  );
+};
diff --git a/src/components/TodoItem.tsx b/src/components/TodoItem.tsx
new file mode 100644
index 0000000000..b1fad6297b
--- /dev/null
+++ b/src/components/TodoItem.tsx
@@ -0,0 +1,116 @@
+import React, { useRef, useEffect } from 'react';
+import classNames from 'classnames';
+import { Todo } from '../types/Todo';
+
+interface TodoItemProps {
+  todo: Todo;
+  isLoading: boolean;
+  isEditing: boolean;
+  editingTitle: string;
+  onToggle: (todo: Todo) => void;
+  onDelete: (id: number) => void;
+  onEditStart: (todo: Todo) => void;
+  onEditSave: (todo: Todo) => void;
+  onEditTitleChange: (title: string) => void;
+  onEditCancel: () => void;
+}
+
+export const TodoItem: React.FC<TodoItemProps> = ({
+  todo,
+  isLoading,
+  isEditing,
+  editingTitle,
+  onToggle,
+  onDelete,
+  onEditStart,
+  onEditSave,
+  onEditTitleChange,
+  onEditCancel,
+}) => {
+  const editInputRef = useRef<HTMLInputElement>(null);
+
+  useEffect(() => {
+    if (isEditing) {
+      editInputRef.current?.focus();
+    }
+  }, [isEditing]);
+
+  const handleKeyUp = (e: React.KeyboardEvent) => {
+    if (e.key === 'Enter') {
+      onEditSave(todo);
+    }
+
+    if (e.key === 'Escape') {
+      onEditCancel();
+    }
+  };
+
+  const handleBlur = () => {
+    onEditSave(todo);
+  };
+
+  return (
+    <div
+      key={todo.id}
+      data-cy="Todo"
+      className={classNames('todo', {
+        completed: todo.completed,
+      })}
+    >
+      <input
+        id={`todo-${todo.id}`}
+        data-cy="TodoStatus"
+        type="checkbox"
+        className="todo__status"
+        checked={todo.completed}
+        onChange={() => onToggle(todo)}
+      />
+
+      <label
+        htmlFor={`todo-${todo.id}`}
+        className="todo__status-label"
+      >
+        Toggle
+      </label>
+
+      {isEditing ? (
+        <input
+          ref={editInputRef}
+          data-cy="TodoTitleField"
+          value={editingTitle}
+          onChange={e => onEditTitleChange(e.target.value)}
+          onBlur={handleBlur}
+          onKeyUp={handleKeyUp}
+        />
+      ) : (
+        <span
+          data-cy="TodoTitle"
+          className="todo__title"
+          onDoubleClick={() => onEditStart(todo)}
+        >
+          {todo.title}
+        </span>
+      )}
+
+      {!isEditing && (
+        <button
+          data-cy="TodoDelete"
+          className="todo__remove"
+          onClick={() => onDelete(todo.id)}
+        >
+          ×
+        </button>
+      )}
+
+      <div
+        data-cy="TodoLoader"
+        className={classNames('modal overlay', {
+          'is-active': isLoading,
+        })}
+      >
+        <div className="modal-background has-background-white-ter" />
+        <div className="loader" />
+      </div>
+    </div>
+  );
+};
diff --git a/src/components/TodoList.tsx b/src/components/TodoList.tsx
new file mode 100644
index 0000000000..b99aee1ec0
--- /dev/null
+++ b/src/components/TodoList.tsx
@@ -0,0 +1,68 @@
+import React from 'react';
+import { Todo } from '../types/Todo';
+import { TodoItem } from './TodoItem';
+
+interface TodoListProps {
+  todos: Todo[];
+  tempTodo: Todo | null;
+  loadingIds: number[];
+  editingId: number | null;
+  editingTitle: string;
+  onToggle: (todo: Todo) => void;
+  onDelete: (id: number) => void;
+  onEditStart: (todo: Todo) => void;
+  onEditSave: (todo: Todo) => void;
+  onEditTitleChange: (title: string) => void;
+  onEditCancel: () => void;
+}
+
+export const TodoList: React.FC<TodoListProps> = ({
+  todos,
+  tempTodo,
+  loadingIds,
+  editingId,
+  editingTitle,
+  onToggle,
+  onDelete,
+  onEditStart,
+  onEditSave,
+  onEditTitleChange,
+  onEditCancel,
+}) => {
+  return (
+    <section className="todoapp__main" data-cy="TodoList">
+      {todos.map(todo => {
+        const isLoading = loadingIds.includes(todo.id);
+
+        return (
+          <TodoItem
+            key={todo.id}
+            todo={todo}
+            isLoading={isLoading}
+            isEditing={editingId === todo.id}
+            editingTitle={editingTitle}
+            onToggle={onToggle}
+            onDelete={onDelete}
+            onEditStart={onEditStart}
+            onEditSave={onEditSave}
+            onEditTitleChange={onEditTitleChange}
+            onEditCancel={onEditCancel}
+          />
+        );
+      })}
+
+      {tempTodo && (
+        <div data-cy="Todo" className="todo">
+          <span data-cy="TodoTitle" className="todo__title">
+            {tempTodo.title}
+          </span>
+
+          <div data-cy="TodoLoader" className="modal overlay is-active">
+            <div className="modal-background has-background-white-ter" />
+            <div className="loader" />
+          </div>
+        </div>
+      )}
+    </section>
+  );
+};
diff --git a/src/types/FilterType.ts b/src/types/FilterType.ts
new file mode 100644
index 0000000000..5b306c57d0
--- /dev/null
+++ b/src/types/FilterType.ts
@@ -0,0 +1,5 @@
+export enum FilterType {
+  All = 'all',
+  Active = 'active',
+  Completed = 'completed',
+}
diff --git a/src/types/Todo.ts b/src/types/Todo.ts
new file mode 100644
index 0000000000..3f52a5fdde
--- /dev/null
+++ b/src/types/Todo.ts
@@ -0,0 +1,6 @@
+export interface Todo {
+  id: number;
+  userId: number;
+  title: string;
+  completed: boolean;
+}
diff --git a/src/utils/fetchClient.ts b/src/utils/fetchClient.ts
new file mode 100644
index 0000000000..5be775084e
--- /dev/null
+++ b/src/utils/fetchClient.ts
@@ -0,0 +1,42 @@
+/* eslint-disable @typescript-eslint/no-explicit-any */
+const BASE_URL = 'https://mate.academy/students-api';
+
+function wait(delay: number) {
+  return new Promise(resolve => {
+    setTimeout(resolve, delay);
+  });
+}
+
+type RequestMethod = 'GET' | 'POST' | 'PATCH' | 'DELETE';
+
+function request<T>(
+  url: string,
+  method: RequestMethod = 'GET',
+  data: any = null,
+): Promise<T> {
+  const options: RequestInit = { method };
+
+  if (data) {
+    options.body = JSON.stringify(data);
+    options.headers = {
+      'Content-Type': 'application/json; charset=UTF-8',
+    };
+  }
+
+  return wait(100)
+    .then(() => fetch(BASE_URL + url, options))
+    .then(response => {
+      if (!response.ok) {
+        throw new Error();
+      }
+
+      return response.json();
+    });
+}
+
+export const client = {
+  get: <T>(url: string) => request<T>(url),
+  post: <T>(url: string, data: any) => request<T>(url, 'POST', data),
+  patch: <T>(url: string, data: any) => request<T>(url, 'PATCH', data),
+  delete: (url: string) => request(url, 'DELETE'),
+};