.login-card { width: 100%; max-width: 420px; }
.app-sidebar { --bs-offcanvas-width: 250px; }
.app-content { min-width: 0; }
.app-sidebar .nav-link { color: var(--bs-primary); }
.app-sidebar .nav-link:hover { background-color: var(--bs-primary-bg-subtle); }
.app-sidebar .nav-link.active { background-color: var(--bs-primary); color: var(--bs-white); }
.visually-hidden-focusable { z-index: 1100; }

@media (min-width: 992px) {
    .app-shell { min-height: calc(100vh - 65px); }
    .app-sidebar { width: 250px; flex-shrink: 0; }
}