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Use Cases

Boss CSS is flexible enough for many workflows. These are the best‑fit scenarios.

Design systems​

  • Tokens define your system primitives.
  • $$.token and tokens props make theming explicit and typed.
  • Prepared components allow consistent base styles.

Component libraries​

  • $$ supports polymorphic components with as.
  • cv/scv/sv provide variants and composable styles.
  • Classname‑only output is great for shared UI with zero runtime.

Apps with runtime dynamics​

  • Runtime‑only strategy handles truly dynamic values.
  • Hybrid mode keeps server CSS but supports runtime evaluation.

Non‑JSX or legacy codebases​

  • Use the className parser with classname-only to generate CSS from strings.