getVanilla() {
  SERVER_TYPE="Vanilla Minecraft"

  if [[ -z "${MC_VERSION}" ]]; then
    die "MC_VERSION is required for Vanilla loader"
  fi

  log "Fetching Mojang version manifest..."
  local MANIFEST
  MANIFEST=$(curl -sf --connect-timeout 10 --max-time 30 \
    "https://launchermeta.mojang.com/mc/game/version_manifest.json") || true

  if [[ -z "$MANIFEST" ]]; then
    die "Could not fetch Mojang version manifest"
  fi

  local VERSION_URL
  VERSION_URL=$(echo "$MANIFEST" | jq -r ".versions[] | select(.id == \"${MC_VERSION}\") | .url")

  if [[ -z "$VERSION_URL" || "$VERSION_URL" == "null" ]]; then
    die "Version ${MC_VERSION} not found in Mojang manifest"
  fi

  local VERSION_DATA DOWNLOAD_URL
  VERSION_DATA=$(curl -sf --connect-timeout 10 --max-time 30 "$VERSION_URL") || true
  if [[ -z "$VERSION_DATA" ]]; then
    die "Could not fetch version data for ${MC_VERSION}"
  fi

  DOWNLOAD_URL=$(echo "$VERSION_DATA" | jq -r ".downloads.server.url")
  if [[ -z "$DOWNLOAD_URL" || "$DOWNLOAD_URL" == "null" ]]; then
    die "No server download URL found for ${MC_VERSION}"
  fi

  log "Downloading Vanilla ${MC_VERSION} server..."
  curl -fL -o server.jar "$DOWNLOAD_URL"
  log "Vanilla ${MC_VERSION} downloaded."
}