html, body {
    height: 100%;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.app-header {
    flex: 0 0 auto;
}

.app-body {
    flex: 1 1 auto;
    display: flex;
    min-height: 0;
}

.app-sidebar {
    flex: 0 0 220px;
    width: 220px;
}

.app-nav .nav-link {
    color: #212529;
    border-radius: .375rem;
}

.app-nav .nav-link.active {
    background-color: #0d6efd;
    color: #fff;
}

.app-nav .nav-group-toggle {
    background: none;
    border: 0;
    font: inherit;
}

.app-nav .nav-group-toggle.active-group {
    background-color: #e7f1ff;
    font-weight: 600;
}

.app-nav .nav-group-caret {
    display: inline-block;
    transition: transform .15s ease-in-out;
}

.app-nav .nav-group-toggle[aria-expanded="true"] .nav-group-caret {
    transform: rotate(90deg);
}

.app-nav .nav-subnav {
    padding-left: .75rem;
}

.app-nav .nav-sublink {
    font-size: .925rem;
}

.app-main {
    flex: 1 1 auto;
    min-width: 0;
    padding: 1.5rem;
}

.app-footer {
    flex: 0 0 auto;
    padding: .75rem 1.5rem;
    font-size: .875rem;
    color: #6c757d;
    border-top: 1px solid #dee2e6;
}

@media (max-width: 767.98px) {
    .app-sidebar {
        display: none;
    }
}