$ErrorActionPreference = 'Stop'

$root = Split-Path -Parent $PSScriptRoot
$uniScss = Get-Content -Raw -Encoding UTF8 (Join-Path $root 'uni.scss')

foreach ($token in @('$brand-red:', '$ink:', '$paper:', '$gold:')) {
  if ($uniScss -notmatch [regex]::Escape($token)) {
    throw "uni.scss must directly define $token"
  }
}

if ($uniScss -match '@(?:import|use|forward)\s+["''](?:\./|\.\./)') {
  throw 'uni.scss must not use relative Sass imports because it is injected into every page stylesheet.'
}

Write-Output 'PASS uni.scss injection contract'