html, body {
    height: 100%;
    margin: 0;
    padding: 0;
}

#map {
    position: absolute;
    inset: 0;
}

.plane-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.plane-icon i {
    font-size: 30px;
    color: #c62828;
    text-shadow: 0 0 3px #fff, 0 0 3px #fff;
    line-height: 1;
}

.online-count {
    position: absolute;
    top: 82px;
    right: 16px;
    z-index: 1000;

    background: rgba(255, 255, 255, .92);
    padding: 8px 14px;
    border-radius: 8px;

    font: 600 15px/1.4 system-ui, sans-serif;
    box-shadow: 0 2px 8px rgba(0, 0, 0, .25);
}

.map-navbar {
    position: absolute;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;

    width: min(960px, calc(100% - 24px));
    min-height: 58px;
    padding: 0 18px;

    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;

    background: rgba(33, 37, 41, 0.94);
    border-radius: 14px;
    box-shadow: 0 3px 12px rgba(0, 0, 0, 0.28);

    font-family: system-ui, sans-serif;
}

.map-navbar-brand {
    color: #fff;
    font-size: 20px;
    font-weight: 800;
    text-decoration: none;
    white-space: nowrap;
}

.map-navbar-brand:hover {
    color: #fff;
}

.map-navbar-menu {
    display: flex;
    align-items: center;
    gap: 4px;
}

.map-navbar-menu a {
    display: inline-flex;
    align-items: center;

    padding: 9px 12px;
    border-radius: 8px;

    color: rgba(255, 255, 255, 0.78);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
}

.map-navbar-menu a:hover,
.map-navbar-menu a.active {
    color: #fff;
    background: rgba(255, 255, 255, 0.12);
}

.map-navbar-toggle {
    display: none;

    width: 42px;
    height: 38px;

    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 8px;
    background: transparent;

    cursor: pointer;
    padding: 8px;
}

.map-navbar-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    margin: 4px 0;

    background: rgba(255, 255, 255, 0.85);
    border-radius: 999px;
}

@media (max-width: 700px) {
    .map-navbar {
        align-items: flex-start;
        flex-wrap: wrap;
        padding: 10px 14px;
    }

    .map-navbar-toggle {
        display: block;
        margin-left: auto;
    }

    .map-navbar-menu {
        display: none;
        width: 100%;
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
        padding-top: 8px;
    }

    .map-navbar.menu-open .map-navbar-menu {
        display: flex;
    }

    .map-navbar-menu a {
        width: 100%;
        padding: 10px 12px;
    }

    .online-count {
        top: 86px;
        right: 12px;
    }
}