templates/login.html

{% extends "base.html" %}

{% block title %}Login{% endblock %}

{% block content %}
<div class="container mt-5">
    <div class="row justify-content-center">
        <div class="col-md-6 col-lg-5">
            <div class="card bg-dark text-white">
                <div class="card-header text-center">
                    <h2 class="mb-0">Login</h2>
                </div>
                <div class="card-body">
                    {% with messages = get_flashed_messages() %}
                        {% if messages %}
                            <div class="alert alert-danger" role="alert">
                                {{ messages[0] }}
                            </div>
                        {% endif %}
                    {% endwith %}
                    <form method="POST" action="{{ url_for('auth.login') }}">
                        <input type="hidden" name="next" value="{{ request.args.get('next', '') }}">
                        <div class="mb-3">
                            <label for="username" class="form-label">Username</label>
                            <input type="text" class="form-control" id="username" name="username" required>
                        </div>
                        <div class="mb-3">
                            <label for="password" class="form-label">Password</label>
                            <input type="password" class="form-control" id="password" name="password" required>
                        </div>
                        <div class="mb-3 form-check">
                            <input type="checkbox" class="form-check-input" id="remember" name="remember">
                            <label class="form-check-label" for="remember">Remember Me</label>
                        </div>
                        <div class="d-grid">
                            <button type="submit" class="btn btn-primary">Login</button>
                        </div>
                    </form>
                </div>
                <div class="card-footer text-center">
                    <small>Don't have an account? <a href="{{ url_for('auth.register') }}">Register here</a></small>
                </div>
            </div>
        </div>
    </div>
</div>
{% endblock %}