Advanced To-Do List Manager

A full-stack Python web application built with the Flask framework. This project demonstrates a complete CRUD (Create, Read, Update, Delete) workflow, secure user session management, and a clean, responsive UI.

🚀 Features

• User Authentication: Secure login/logout system using Flask Sessions.
• Task Management: Add new tasks with a single click.
• Status Toggling: Cycle tasks through 'Pending', 'Working', and 'Done' states.
• Data Persistence: Uses SQLAlchemy with an SQLite database to save tasks.
• Clean UI: Custom CSS with a modern blue gradient header and responsive table layout.
• Flash Notifications: Real-time feedback for successful logins and task updates.

🛠️ Tech Stack

• Backend: Python 3, Flask
• Database: SQLAlchemy (SQLite)
• Frontend: HTML5, CSS3, Jinja2 Templates
• Version Control: Git & GitHub

📂 Project Structure

todo_app/
├── app/
│   ├── routes/          # Authentication and Task logic
│   ├── static/          # CSS and Assets
│   ├── templates/       # HTML layouts
│   └── models.py        # Database schema
├── instance/            # Local SQLite database
├── run.py               # Application entry point
└── requirements.txt     # Project dependencies