IconNavItemLeft-sidebar nav link: an icon slot plus a collapsible bold label. Resolves its active state from the current route (matching basePath) and draws a grape underline when active.
NavVerticalVertical nav section: an optional hairline-underlined title above a slot of NavVerticalItem links. Used to group page-level sidebar links.
NavVerticalItemSingle vertical-nav link. Renders a <nuxt-link> (to), an external <a> (href), or plain slotted content, with a prop-driven active state and small/medium size variants.