webprogrammierung/css/navbar.css

/*
CSS für den Block Navbar mit seinen Elementen nach BEM
 */
.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #333d43;
    padding: 0 1rem;
}

.nav__left,
.nav__right {
    display: flex;
    align-items: center;
}

.nav__logo img {
    height: 3rem;
}

.nav__center {
    display: flex;
    align-items: center;
}

.nav__item {
    position: relative;
    margin: 0 0.5rem;
}

.nav__dropdown-toggle {
    background: none;
    border: none;
    cursor: pointer;
    font-weight: 600;
    padding: 0.5rem 1rem;
    color: #fff;
    text-decoration: none;
}

.nav__dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: #f9f9f9;
    min-width: 12rem;
    box-shadow: 0 2px 5px rgba(0,0,0,.15);
    padding: 0.5rem 0;
}

.nav__dropdown-menu a {
    padding: 0.5rem 1rem; /* Abstand um den Text */
    color: #333;
    text-decoration: none;
    font-weight: 600;
}

.nav__link {
    display: inline-block;
    font-weight: 600;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem 1rem;
    color: #fff;
    text-decoration: none;
}

.nav__button {
    display: inline-block;
    background: #fff;
    border: none;
    border-radius: 4px;
    padding: 0.5rem 1rem;
    cursor: pointer;
    color: #333;
    text-decoration: none;
    font-weight: 600;
    margin-left: 0.5rem;
}

.nav__search {
    display: flex;
    align-items: center;
    border-radius: 4px;                /* Abgerundete Ecken */
    background: #fff;
    margin: 0 0.5rem;
}

.nav__dropdown:hover .nav__dropdown-menu {
    display: block;
}

/* CSS von https://responsivenavigation.net/examples/simple-toggle/ */
.anchor-link,
#mobile-nav { display: none; }   /* Nicht im Desktop‑View */

@media (max-width: 48em) { /* ~768px */
    /* Desktop‑Menü verstecken */
    .nav__center { display: none; }

    /* Hamburger‑Button sichtbar */
    #mobile-nav,
    .anchor-link { display: block; }

    /* Mobile‑Nav‑Liste (der “off‑canvas”‑Menu) sichtbar */
    .nav__mobile-menu {
        display: block;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #333d43;
        z-index: 999;                 /* über allem anderen */
        max-height: 0;                /* verstecken */
        overflow: hidden;
        transition: max-height 0.3s ease-out;
    }
    .nav__mobile-menu.open {
        max-height: 100vh;            /* 100% viewport‑height */
        overflow-y: auto;             /* Scrollen, falls zu viele Links */
    }

    /* Mobile‑Links */
    .nav__mobile-menu ul {
        list-style: none;
        margin: 0;
        padding: 0;
    }
    .nav__mobile-menu li {
        border-bottom: 1px solid #444;
    }
    .nav__mobile-menu a {
        display: block;
        color: #fff;
        padding: 1rem;
        text-decoration: none;
    }

    /* Die “Profil / Anmelden / Registrieren”‑Buttons in einer Zeile */
    .nav__right {
        flex: 1;
        justify-content: flex-end;
    }
    .nav__left {
        flex: 1;
    }
}