Analytical SaaS interface: dashboard | Demo | Frontend

Web application layout for marketing analytics: side navigation, top bar with search and theme switcher (light/dark), KPI cards, campaign and user tables, sections for automation, reports, integrations, settings. Lucide icons, modular styles (CSS), logic for switching sections in JavaScript. Demo data without backend.

#dashboard #dashboard #saas #ui #ux #darktheme #analytics #webinterface #html #css #javascript