/* ============================================================================= * app.css - the shared component layer for every nube app. * * WHAT THIS IS * nube is nine small single-page apps that must feel like one product. The * colour tokens and a few widgets already lived in shared/theme.css; this * file adds the rest of the common UI - the app shell, the header, the icon * button, the dialog, the form field, pills and cards - so an app's own *