/* ---- Topbar Host & Base ---- */
:host {
    position: sticky;
    top: 0;
    z-index: 100;
    display: block;
}

.topbar {
    /* Erzeugt den Milchglas-Effekt */
    backdrop-filter: saturate(1.1) blur(8px);
    -webkit-backdrop-filter: saturate(1.1) blur(8px);
    /* Safari Support */

    /* Mischt die Variable mit Transparenz. !important überschreibt Material-Vorgaben */
    background: color-mix(in oklab, var(--app-topbar-bg) 80%, transparent) !important;
    border-bottom: 1px solid rgba(0, 0, 0, .08);

    display: flex;
    align-items: center;
    padding: clamp(0.5rem, 1vw, 1rem);
}

/* ---- Branding ---- */
.brand {
    display: flex;
    align-items: center;
    gap: clamp(0.4rem, 1vw, 0.6rem);
    color: inherit;
    text-decoration: none;

    .logo-dot {
        width: clamp(36px, 10vw, 48px);
        height: clamp(36px, 10vw, 48px);
        border-radius: 50%;
    }

    .brand-text {
        font-weight: 600;
        letter-spacing: .2px;
        font-size: clamp(1rem, 3vw, 1.2rem);
    }
}

/* ---- Navigation ---- */
.nav {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: clamp(0.25rem, 1vw, 0.5rem);
    justify-content: center;
}

.nav a {
    opacity: 0.72;
    transition: opacity 150ms ease;
    position: relative;

    &::after {
        content: '';
        position: absolute;
        bottom: 4px;
        left: 10px;
        right: 10px;
        height: 2px;
        background: currentColor;
        border-radius: 2px;
        transform: scaleX(0);
        transition: transform 200ms ease;
    }

    &:hover {
        opacity: 1;
    }

    &.active {
        opacity: 1;

        &::after {
            transform: scaleX(1);
        }
    }
}

.nav-menu-btn {
    display: none;
}

.spacer {
    flex: 1;
}

/* ---- Mobile Responsiveness ---- */
@media (max-width: 760px) {
    .nav {
        display: none;
    }

    .nav-menu-btn {
        display: inline-flex;
    }

    .brand {
        flex: unset;
    }
}