# Nebula.UI Shared Qt Quick/QML design system for NebulaOS shells. Desktop and the future Bigscreen shell should both import: ```qml import Nebula.UI ``` This module contains reusable visual language only: - colour, spacing, type, and motion tokens (`Theme`) - generic controls (`NebulaButton`, `NebulaCard`, `NebulaIconButton`, `NebulaTextField`, `NebulaToolTip`) - focus treatment (`FocusFrame`) - compact vector icons (`NebulaIcon`) Do not put Desktop- or Bigscreen-specific chrome here (top bar, launcher, session flow). Built as part of `shells/desktop/shell`. It is not a standalone application.