diff --git a/README.md b/README.md
index d1c68b57..4daf910a 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,10 @@
-# Todo
\ No newline at end of file
+A simple and responsive todo app built with React and Zustand. Using styled-components fopr styling.
+The app allows users to add, complete, and remove tasks, while keeping a clean and accessible UI.
+The app features:
+Add new tasks
+Mark tasks as completed and undo completion
+Remove tasks
+See how many tasks are remaining
+Clear all completed tasks
+Responsive design 
+Accessible UI following basic accessibility guidelines
\ No newline at end of file
diff --git a/package.json b/package.json
index caf62893..b40fb595 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,9 @@
   },
   "dependencies": {
     "react": "^19.0.0",
-    "react-dom": "^19.0.0"
+    "react-dom": "^19.0.0",
+    "styled-components": "^6.3.5",
+    "zustand": "^5.0.10"
   },
   "devDependencies": {
     "@eslint/js": "^9.21.0",
diff --git a/src/App.jsx b/src/App.jsx
index 54275400..c2f7dd07 100644
--- a/src/App.jsx
+++ b/src/App.jsx
@@ -1,5 +1,61 @@
-export const App = () => {
+import { useTodoStore } from "./store/todoStore";
+import TaskForm from "./components/TaskForm";
+import TaskList from "./components/TaskList";
+import NoTasks from "./components/NoTasks"; 
+import { GlobalStyles } from "./styles/GlobalStyles";
+import { Container, Header } from "./styles/Layout";
+
+export default function App() {
+  const tasks = useTodoStore((state) => state.tasks);
+  const clear = useTodoStore((state) => state.clearCompleted);
+
+  const openCount = tasks.filter((t) => !t.completed).length;
+  const doneCount = tasks.filter((t) => t.completed).length;
+
   return (
-    <h1>React Boilerplate</h1>
-  )
+    <Container>
+      <GlobalStyles />
+        <Header>
+          <h1>On My List</h1>
+          {tasks.length > 0 && <p>{openCount} Tasks Remaining</p>}
+      </Header>
+
+      <TaskForm />
+
+    
+      {tasks.length === 0 ? <NoTasks /> : <TaskList filter="active" />}
+
+      {doneCount > 0 && (
+        <div style={{ width: "100%", maxWidth: "600px", marginTop: "40px" }}>
+          <p
+            style={{
+              color: "#444",
+              textTransform: "uppercase",
+              fontSize: "12px",
+              letterSpacing: "2px",
+              marginBottom: "15px",
+            }}
+          >
+            Completed — {doneCount}
+          </p>
+
+          <TaskList filter="completed" />
+
+          <button
+            onClick={clear}
+            style={{
+              background: "none",
+              border: "none",
+              color: "#444",
+              marginTop: "20px",
+              cursor: "pointer",
+              textDecoration: "underline",
+            }}
+          >
+            Clear Completed
+          </button>
+        </div>
+      )}
+    </Container>
+  );
 }
diff --git a/src/components/NoTasks.jsx b/src/components/NoTasks.jsx
new file mode 100644
index 00000000..06f65ba9
--- /dev/null
+++ b/src/components/NoTasks.jsx
@@ -0,0 +1,7 @@
+export default function NoTasks() {
+  return (
+    <div style={{ textAlign: 'center', padding: '40px', color: '#909091' }}>
+      <p>No tasks yet.</p>
+    </div>
+  );
+}
\ No newline at end of file
diff --git a/src/components/Task.jsx b/src/components/Task.jsx
new file mode 100644
index 00000000..81ccee9e
--- /dev/null
+++ b/src/components/Task.jsx
@@ -0,0 +1,26 @@
+import { useTodoStore } from "../store/todoStore";
+import { ItemRow, DeleteButton } from "../styles/TaskStyles";
+
+export default function Task({ task }) {
+  const toggle = useTodoStore((s) => s.toggleTask);
+  const remove = useTodoStore((s) => s.removeTask);
+
+  return (
+    <ItemRow>
+      <input
+        type="checkbox"
+        id={task.id}
+        checked={task.completed}
+        onChange={() => toggle(task.id)}
+      />
+
+      <label htmlFor={task.id} className={task.completed ? "checked" : ""}>
+        {task.title}
+      </label>
+
+      <DeleteButton type="button" onClick={() => remove(task.id)}>
+        ✕
+      </DeleteButton>
+    </ItemRow>
+  );
+}
diff --git a/src/components/TaskForm.jsx b/src/components/TaskForm.jsx
new file mode 100644
index 00000000..d22e21b3
--- /dev/null
+++ b/src/components/TaskForm.jsx
@@ -0,0 +1,27 @@
+import { useState } from "react";
+import { useTodoStore } from "../store/todoStore";
+import { Form } from "../styles/TaskStyles";
+
+export default function TaskForm() {
+  const addTask = useTodoStore((state) => state.addTask); 
+  const [text, setText] = useState("");
+
+  const handleSubmit = (e) => {
+    e.preventDefault();
+    addTask(text);
+    setText("");
+  };
+
+  return (
+    <Form onSubmit={handleSubmit}>
+      <label htmlFor="task-input" style={{ display: 'none' }}>New Task</label>
+      <input
+        id="task-input"
+        value={text}
+        onChange={(e) => setText(e.target.value)}
+        placeholder="Add a task..."
+      />
+      <button type="submit" disabled={!text.trim()}>Add</button>
+    </Form>
+  );
+}
\ No newline at end of file
diff --git a/src/components/TaskList.jsx b/src/components/TaskList.jsx
new file mode 100644
index 00000000..14c535aa
--- /dev/null
+++ b/src/components/TaskList.jsx
@@ -0,0 +1,20 @@
+import { useTodoStore } from "../store/todoStore";
+import Task from "./Task";
+import { List } from "../styles/TaskStyles";
+
+export default function TaskList({ filter }) {
+  const tasks = useTodoStore((state) => state.tasks);
+  
+  const filteredTasks = tasks.filter((t) => {
+    if (filter === "completed") return t.completed;
+    return !t.completed; 
+  });
+
+  return (
+    <List>
+      {filteredTasks.map((t) => (
+        <Task key={t.id} task={t} />
+      ))}
+    </List>
+  );
+}
\ No newline at end of file
diff --git a/src/index.css b/src/index.css
index f7c0aef5..e69de29b 100644
--- a/src/index.css
+++ b/src/index.css
@@ -1,3 +0,0 @@
-:root {
-  font-family: Inter, system-ui, Avenir, Helvetica, Arial, sans-serif;
-}
diff --git a/src/main.jsx b/src/main.jsx
index 1b8ffe9b..edc6cdba 100644
--- a/src/main.jsx
+++ b/src/main.jsx
@@ -1,12 +1,9 @@
-import React from 'react'
-import ReactDOM from 'react-dom/client'
+import React from "react";
+import ReactDOM from "react-dom/client";
+import App from "./App.jsx";
 
-import { App } from './App.jsx'
-
-import './index.css'
-
-ReactDOM.createRoot(document.getElementById('root')).render(
+ReactDOM.createRoot(document.getElementById("root")).render(
   <React.StrictMode>
     <App />
   </React.StrictMode>
-)
+);
\ No newline at end of file
diff --git a/src/store/todoStore.js b/src/store/todoStore.js
new file mode 100644
index 00000000..4ee5f11d
--- /dev/null
+++ b/src/store/todoStore.js
@@ -0,0 +1,37 @@
+import { create } from "zustand";
+
+export const useTodoStore = create((set, get) => ({
+  tasks: [],
+
+  addTask: (text) => {
+    if (!text.trim()) return;
+    
+    const newTask = {
+      id: new Date().getTime(),
+      title: text,
+      completed: false,
+    };
+    set((state) => ({ tasks: [newTask, ...state.tasks] }));
+  },
+
+  toggleTask: (id) => {
+    set((state) => ({
+      tasks: state.tasks.map((t) =>
+        t.id === id ? { ...t, completed: !t.completed } : t
+      ),
+    }));
+  },
+
+  removeTask: (id) => {
+    set((state) => ({
+      tasks: state.tasks.filter((t) => t.id !== id),
+    }));
+  },
+
+  clearCompleted: () => {
+    set((state) => ({
+    tasks: state.tasks.filter((task) => !task.completed),
+  }));
+},
+
+}));
\ No newline at end of file
diff --git a/src/styles/GlobalStyles.js b/src/styles/GlobalStyles.js
new file mode 100644
index 00000000..9cadb0cd
--- /dev/null
+++ b/src/styles/GlobalStyles.js
@@ -0,0 +1,27 @@
+import { createGlobalStyle } from "styled-components";
+
+export const GlobalStyles = createGlobalStyle`
+  :root {
+  --app-font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
+}
+
+
+  html, body, #root {
+    margin: 0;
+    padding: 0;
+    font-family: var(--app-font);
+    background: #fff;
+    color: #000;
+    -webkit-font-smoothing: antialiased;
+  }
+
+  /* Force form controls */
+  button, input, textarea, select {
+    font-family: var(--app-font);
+    font: inherit;
+  }
+
+  *, *::before, *::after {
+    box-sizing: border-box;
+  }
+`;
diff --git a/src/styles/Layout.js b/src/styles/Layout.js
new file mode 100644
index 00000000..c6a9c42d
--- /dev/null
+++ b/src/styles/Layout.js
@@ -0,0 +1,38 @@
+import styled from "styled-components";
+
+export const Container = styled.main`
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  min-height: 100vh;
+  padding: 60px 20px;
+`;
+
+export const Header = styled.header`
+  width: 100%;
+  max-width: 600px;
+  margin-bottom: 40px;
+  
+  h1 {
+    font-size: 66px;
+    font-weight: 800;
+    margin: 0;
+    color: #000;
+    letter-spacing: -2px;
+  }
+
+  @media (max-width: 600px) {
+    h1 {
+      font-size: 42px;
+    }
+  }
+
+  p {
+    color: #000;
+    font-size: 14px;
+    margin-top: 5px;
+    font-weight: 600;
+    text-transform: uppercase;
+    letter-spacing: 2px;
+  }
+`;
\ No newline at end of file
diff --git a/src/styles/TaskStyles.js b/src/styles/TaskStyles.js
new file mode 100644
index 00000000..cd528953
--- /dev/null
+++ b/src/styles/TaskStyles.js
@@ -0,0 +1,101 @@
+import styled from "styled-components";
+
+export const Form = styled.form`
+  display: flex;
+  width: 100%;
+  max-width: 600px;
+  gap: 12px;
+  margin-bottom: 40px;
+
+  input {
+    font-family: var(--header-font);
+    flex: 1;
+    background: white;
+    border: 2px solid black;
+    border-radius: 12px;
+    padding: 16px;
+    font-size: 18px;
+    outline: none;
+  }
+
+  button {
+    background: black; 
+    color: white;
+    border: 2px solid black;
+    border-radius: 12px;
+    padding: 0 25px;
+    font-weight: bold;
+    cursor: pointer;
+
+    &:disabled {
+      background: gray;
+      border-color: gray;
+      cursor: not-allowed;
+    }
+  }
+`;
+
+export const List = styled.ul`
+  width: 100%;
+  max-width: 600px;
+  padding: 0;
+  list-style: none;
+`;
+
+export const ItemRow = styled.li`
+  display: flex;
+  align-items: center;
+  background: white;
+  border: 2px solid black;
+  border-radius: 12px;
+  padding: 15px;
+  margin-bottom: 12px;
+  gap: 15px;
+
+  label {
+    flex: 1;
+    font-size: 18px;
+    font-weight: 400;
+    color: black;
+    cursor: pointer;
+  }
+
+  .checked {
+    color: #888;
+    text-decoration: line-through;
+  }
+
+  input[type="checkbox"] {
+    width: 20px;
+    height: 20px;
+    accent-color: black;
+  }
+`;
+
+export const DeleteButton = styled.button`
+  background: none;
+  border: none;
+  font-size: 20px;
+  color: black;
+  opacity: 0.3;
+  cursor: pointer;
+
+  &:hover {
+    opacity: 1;
+  }
+`;
+
+export const FooterButton = styled.button`
+  background: white;
+  border: 2px solid black;
+  padding: 10px 20px;
+  border-radius: 10px;
+  font-weight: bold;
+  margin-top: 20px;
+  cursor: pointer;
+
+  &:hover {
+    background: black;
+    color: white;
+  }
+`;
\ No newline at end of file