templates/base.html

<!DOCTYPE html>
<html lang="fr">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>{% block title %}Lecteur de Podcasts{% endblock %}</title>
    <link rel="stylesheet" href="{{ url_for('static', filename='css/style.css') }}">
</head>
<body>
    <div class="container">
        <nav>
            <a href="{{ url_for('index') }}">Accueil</a>
            <a href="{{ url_for('gestion') }}">Gestion des Podcasts</a>
        </nav>
        <hr>
        {% with messages = get_flashed_messages(with_categories=true) %}
            {% if messages %}
                {% for category, message in messages %}
                    <div class="message {{ category }}">{{ message }}</div>
                {% endfor %}
            {% endif %}
        {% endwith %}
        {% block content %}{% endblock %}
    </div>
    {% block scripts %}{% endblock %}
</body>
</html>