/**
 * Minimal `cn` class-name joiner. shadcn ships a clsx + tailwind-merge version,
 * but this project doesn't use shadcn and a dependency-free join is enough for
 * our usage (no conflicting Tailwind classes are passed through it).
 */
export function cn(
  ...classes: Array<string | false | null | undefined>
): string {
  return classes.filter(Boolean).join(' ')
}