A two-tier mission-control sidebar: an icon rail with a gliding marker switches sections (Missions, Telemetry, Crew, Orbits, Payloads, Systems, Alerts, Settings); the panel morphs vertically between them with iconed links, a ⌘K filter, a gliding active pill, an avatar profile menu and a fold-away rail-only state.

A collapsible sidebar navigation with search, nav links, integrations section, user profile, and dark/light theme toggle. Collapses to icon-only view with tooltips.

A luxury automotive collapsible sidebar navigation with workspace switching, route color markers, company dropdown, profile dropdown, and dark/light theme toggle. Starts collapsed with icon-only view and tooltips.

A responsive dual-sidebar layout wireframe with header, twin sidebars, main content area, widget and statistics panels, and footer — skeleton placeholders, CSS-only dark mode (`body.dark`), and full design-system token integration.

A collapsible product navigation sidebar with an expandable icon rail, tooltips, active-link tracking, integration logos, and a profile dropdown menu — fully token-driven and design-system agnostic.

A collapsible Storeify admin sidebar with search, two nav sections, a used-capacity ring card, gradient upgrade CTA, and user profile. Collapses to a 5rem icon rail with tooltips. Design-system agnostic via tokens.