templates/signup.html

{% extends "base.html" %}
{% block content %}
<div class="container">
  <h2>Create Account</h2>
  <form method="POST" action="{{ url_for('signup') }}">
    <input type="text" name="username" placeholder="Username" required />
    <input type="password" name="password" placeholder="Password" required />
    <input type="password" name="confirmPassword" placeholder="Confirm Password" required />
    <button type="submit">Sign Up</button>
  </form>
  <p id="signupMessage"></p>
  <p class="switch-page">
    Already have an account? <a href="{{ url_for('login') }}">Login here</a>
  </p>
</div>
{% endblock %}