/* Centrage de la page */
        body, html {
            height: 100%;
            margin: 0;
            display: flex;
            justify-content: center;
            align-items: center;
            font-family: Arial, sans-serif;
            background-color: #f4f4f4;
        }

        .login-container {
            width: 100%;
            max-width: 400px;
            background-color: #fff;
            padding: 20px;
            border-radius: 8px;
            box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
        }

        h1 {
            text-align: center;
            margin-bottom: 20px;
        }

        label {
            display: block;
            margin-bottom: 8px;
            font-weight: bold;
        }

        input[type="text"], input[type="password"] {
            width: 100%;
            padding: 10px;
            margin-bottom: 15px;
            border: 1px solid #ccc;
            border-radius: 4px;
        }

        input[type="submit"] {
            width: 100%;
            padding: 10px;
            background-color: #4CAF50;
            color: white;
            border: none;
            border-radius: 4px;
            cursor: pointer;
        }

        input[type="submit"]:hover {
            background-color: #45a049;
        }

        p {
            text-align: center;
            color: red;
        }