.menu {
    list-style-type: none;
    padding: 0;
    margin: 0;
}

    .menu li {
        margin-bottom: 5px;
        position: relative;
    }

    .menu a {
        text-decoration: none;
        color: #333;
        font-size: 18px;
        display: block;
        padding: 8px 15px;
        background-color: #fff;
        border-radius: 5px;
        transition: background-color 0.3s ease;
    }

        .menu a:hover {
            background-color: #007BFF;
            color: white;
        }

    .menu li > a {
        font-weight: normal;
    }

    /* Подменю */
    .menu ul {
        padding-left: 20px;
        margin-top: 5px;
        list-style-type: none;
    }

        .menu ul li {
            margin-bottom: 5px;
            margin-left: 15px;
            border-bottom: none;
        }

            .menu ul li a {
                font-size: 16px;
                padding-top: 2px;
                padding-bottom: 2px;
                background-color: #f9f9f9;
                border-radius: 5px;
                border-bottom-right-radius: unset;
                border-top-right-radius: unset;
                transition: background-color 0.3s ease;
            }

                .menu ul li a:hover {
                    background-color: var(--main-color);
                    color: white;
                    text-decoration: none;
                }

    .menu li:hover > ul {
        display: block;
    }

    .menu li > ul li a {
        background-color: white;
    }

        .menu li > ul li a:hover {
            background-color: var(--main-color2);
            color: black;
            text-decoration: none;
        }