/** Default Tailwind `bg-*` for new labels / folders (sidebar + settings). */
export const DEFAULT_NAV_COLOR = "bg-blue-500"

/** Normalize API or legacy hex values to a sidebar `bg-*` class. */
export function normalizeNavColorClass(color: string | undefined): string {
  const c = (color ?? "").trim()
  if (!c) return "bg-gray-500"
  if (c.startsWith("bg-")) return c
  if (/^#[\da-fA-F]{3,8}$/.test(c)) return `bg-[${c}]`
  return DEFAULT_NAV_COLOR
}