EduReso 📚

A free educational web portal for CBSE students in Classes 9–12, providing curated video lectures and downloadable PDF notes for Mathematics.

🌟 Features

• 📹 Video Lectures — Embedded YouTube lessons organized by class and topic
• 📄 PDF Notes — Direct links to chapter-wise study materials
• 👤 User Profiles — Personalized profile with class info and progress tracking
• 🔐 Auth System — Register/Login with server-side validation and bcrypt password hashing
• 📱 Fully Responsive — Works seamlessly on mobile, tablet, and desktop

🗂️ Project Structure

Educational portal/
├── HomePage.html          # Landing page with class selection
├── Login.html             # User login page
├── Register.html          # User registration page
├── Profile.html           # User profile editor
├── Class9.html            # Class 9 topics
├── Class10.html           # Class 10 topics
├── Class11.html           # Class 11 topics
├── Class12.html           # Class 12 topics
├── c9t1.html – c9t5.html  # Class 9 topic pages
├── c10t1.html – c10t5.html # Class 10 topic pages
├── c11t1.html – c11t5.html # Class 11 topic pages
├── c12t1.html – c12t5.html # Class 12 topic pages
├── shared.css             # Global design system (variables, nav, footer)
├── HomePage.css           # Home page styles
├── ClassPages.css         # Class listing page styles
├── ct.css                 # Topic page styles
├── stylelog.css           # Login page styles
├── stylereg.css           # Register page styles
├── profile.css            # Profile page styles
├── Server.js              # Express + MongoDB backend
├── Register.js            # Client-side registration helper
└── profile.js             # Profile form validation

📘 Topics Covered

Class	Topics
9	Number Systems, Polynomials, Coordinate Geometry, Linear Equations, Euclid's Geometry
10	Real Numbers, Polynomials, Pair of Linear Equations, Quadratic Equations, Arithmetic Progressions
11	Sets & Functions, Trigonometric Functions, Complex Numbers, Linear Inequalities, Permutations & Combinations
12	Relations & Functions, Inverse Trigonometry, Matrices, Determinants, Continuity & Differentiability

🚀 Getting Started

Option A — Open Directly (Frontend Only)

Just open HomePage.html in any browser. All static pages work without a server.

Option B — Run with Backend

Requires Node.js and MongoDB.

# Install dependencies
npm install

# Start MongoDB (must be running locally)
# Then start the server:
node Server.js

Visit: http://localhost:3020

🛠️ Tech Stack

• Frontend: HTML5, CSS3, Vanilla JavaScript
• Backend: Node.js, Express.js
• Database: MongoDB (via Mongoose)
• Security: bcrypt password hashing
• Icons: Boxicons

🐛 Bug Fixes (v2.0)

• ✅ Fixed width: 42 → width: 420px in login/register CSS
• ✅ Fixed font-family: "poppings" typo → proper font via shared.css
• ✅ Fixed Register.js querySelector("email") → getElementById("reg-email")
• ✅ Fixed broken nav links (CLass10.html → Class10.html)
• ✅ Fixed ct.css width: 900%; padding: 60% → proper responsive layout
• ✅ Fixed margin-top: 20px 0 15px (invalid shorthand) in register CSS
• ✅ Fixed Server.js — passwords now securely hashed with bcrypt
• ✅ Fixed missing default-avatar.png — replaced with inline SVG fallback
• ✅ Fixed topic page sub-menu broken structure

📄 License

MIT License — Free to use and modify.

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Made with ❤️ by Arnav Kumar