:root {
    --app-nav-height: 58px;
    --app-sidebar-width: 260px;
    --app-surface: #f4f7fb;
}

body {
    min-height: 100vh;
    background: var(--app-surface);
    color: #24324a;
}

.navbar {
    min-height: var(--app-nav-height);
}

.app-shell {
    padding-top: var(--app-nav-height);
}

.app-sidebar {
    width: var(--app-sidebar-width) !important;
    background: #fff;
    border-right: 1px solid #dee2e6;
}

.app-sidebar .nav-link {
    color: #42526a;
    padding: .7rem .85rem;
}

.app-sidebar .nav-link:not(.disabled):hover {
    background: #eef3ff;
    color: #0d6efd;
}

.app-sidebar .nav-link.active {
    box-shadow: 0 .25rem .75rem rgba(13, 110, 253, .2);
}

.sidebar-heading {
    margin: 1.5rem .85rem .4rem;
    color: #8a96a8;
    font-size: .7rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.stat-card {
    border: 0;
    box-shadow: 0 .25rem 1rem rgba(31, 45, 61, .08);
}

.stat-icon {
    display: grid;
    width: 46px;
    height: 46px;
    place-items: center;
    border-radius: .75rem;
}

@media (min-width: 992px) {
    .app-sidebar {
        position: fixed;
        top: var(--app-nav-height);
        bottom: 0;
        left: 0;
        z-index: 100;
    }

    .app-content {
        margin-left: var(--app-sidebar-width);
    }
}