html, body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

.page {
    position: relative;
    display: flex;
    flex-direction: row;
}

main {
    flex: 1;
}

.sidebar {
    background-image: linear-gradient(180deg, #1b6ec2 0%, #1b1e2b 70%);
}

.top-row {
    background-color: #f7f7f7;
    border-bottom: 1px solid #d6d5d5;
    justify-content: flex-end;
    height: 3.5rem;
    display: flex;
    align-items: center;
}

.top-row a, .top-row .btn-link {
    white-space: nowrap;
    margin-left: 1.5rem;
    text-decoration: none;
}

.top-row a:hover, .top-row .btn-link:hover {
    text-decoration: underline;
}

.top-row.navbar {
    display: flex;
    flex-wrap: nowrap;
    justify-content: space-between;
}

.navbar-brand {
    font-size: 1.1rem;
}

.nav-item {
    font-size: 0.9rem;
    padding-bottom: 0.5rem;
}

.nav-item:first-of-type {
    padding-top: 1rem;
}

.nav-item:last-of-type {
    padding-bottom: 1rem;
}

.nav-item .nav-link {
    color: #d7d7d7;
    background: none;
    border: none;
    width: 100%;
}

.nav-item .nav-link.active {
    background-color: rgba(255,255,255,0.25);
    color: white;
}

.nav-item .nav-link:hover {
    background-color: rgba(255,255,255,0.1);
    color: white;
}

.nav-scrollable {
    display: none;
}

.navbar-toggler {
    appearance: none;
    cursor: pointer;
    width: 3.5rem;
    height: 2.5rem;
    color: white;
    position: absolute;
    top: 0.5rem;
    right: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 1px;
}

.navbar-toggler:checked {
    background-color: rgba(255, 255, 255, 0.5);
}

.content {
    padding-top: 1.1rem;
}

@media (min-width: 641px) {
    .navbar-toggler {
        display: none;
    }

    .sidebar {
        width: 250px;
        height: 100vh;
        position: sticky;
        top: 0;
    }

    .nav-scrollable {
        display: block;
        height: calc(100vh - 3.5rem);
        overflow-y: auto;
    }
}