variable "environment" {
  description = "Deployment environment name (e.g. prod, staging, dev)"
  type        = string
}

variable "project" {
  description = "Project or workload name used as the primary naming prefix (e.g. hca-platform)"
  type        = string
}

variable "cost_center" {
  description = "Cost center identifier applied to all resource tags for billing allocation"
  type        = string
}

variable "managed_by" {
  description = "Value for the ManagedBy standard tag"
  type        = string
  default     = "terraform"
}

variable "region" {
  description = "AWS region override; defaults to the region returned by data.aws_region.current when left empty"
  type        = string
  default     = ""
}

variable "additional_tags" {
  description = "Extra tags merged into the standard tag set before var.tags (lowest precedence)"
  type        = map(string)
  default     = {}
}

variable "tags" {
  description = "Resource tags to apply to all resources"
  type        = map(string)
  default     = {}
}