How do i determin if an objects rotation is between 2 values on each axis?

im currently making a small game where you have to rotate an object until its shadow fits the outline. at the moment its really hard to play because i cant seem to rotate the object to fit the shadow. i thought to make it easier i would make it so you can be outside the parameters of filling it so for example for the shadow to fit the outline the object needs to be -90,0,0 but i want to make it so that the shadow moves into place when you are within the parameters of -70 to -110, -20 to 20, -20 to 20.

how would i go around doing this and if you know some code that makes it easier to rotate the object by dragging your mouse around with the key down then please help!!

what i have so far: using UnityEngine;

namespace RakibUtils { public class secondrotate : MonoBehaviour { [SerializeField] private LayerMask targetLayer; [SerializeField] private float rotationRate = 3.0f; [SerializeField] private bool xRotation; [SerializeField] private bool yRotation; [SerializeField] private bool invertX; [SerializeField] private bool invertY; [SerializeField] private bool touchAnywhere; private float m_previousX; private float m_previousY; private Camera m_camera; private bool m_rotating = false;

     public Transform originalRotationValue;
     [SerializeField] private float rotationResetSpeed = 1.0f;


     private void Awake()
     {
         m_camera = Camera.main;
         originalRotationValue = gameObject.transform;
     }

     private void Update()
     {
         if (!touchAnywhere)
         {
             //No need to check if already rotating
             if (!m_rotating)
             {
                 RaycastHit hit;
                 Ray ray = m_camera.ScreenPointToRay(Input.mousePosition);
                 if (!Physics.Raycast(ray, out hit, 1000, targetLayer))
                 {
                     return;
                 }
             }
         }

         if (Input.GetMouseButtonDown(0))
         {
             m_rotating = true;
             m_previousX = Input.mousePosition.x;
             m_previousY = Input.mousePosition.y;
         }
         // get the user touch input
         if (Input.GetMouseButton(0))
         {
             var touch = Input.mousePosition;
             var deltaX = -(Input.mousePosition.y - m_previousY) * rotationRate;
             var deltaY = -(Input.mousePosition.x - m_previousX) * rotationRate;
             if (!yRotation) deltaX = 0;
             if (!xRotation) deltaY = 0;
             if (invertX) deltaY *= -1;
             if (invertY) deltaX *= -1;
             transform.Rotate(deltaX, deltaY, 0, Space.World);

             m_previousX = Input.mousePosition.x;
             m_previousY = Input.mousePosition.y;
         }
         if (Input.GetMouseButtonUp(0))
         {
             m_rotating = false;
         }
  //this next bit doesnt work...![alt text][1]
         if (transform.eulerAngles.y >= -20 && transform.eulerAngles.y <= 20)
         {
             if (transform.eulerAngles.x >= -70 && transform.eulerAngles.x <= -110)
             {
                 transform.rotation = Quaternion.Slerp(transform.rotation, originalRotationValue.rotation, Time.time * rotationResetSpeed);
             }
         }
         
                 
     }

 }

}

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[1]: /storage/temp/192373-reflected-screenshot.png

,im currently making a small game where you have to rotate an object until its shadow fits the outline. at the moment its really hard to play because i cant seem to rotate the object to fit the shadow. i thought to make it easier i would make it so you can be outside the parameters of filling it so for example for the shadow to fit the outline the object needs to be -90,0,0 but i want to make it so that the shadow moves into place when you are within the parameters of -70 to -110, -20 to 20, -20 to 20.

how would i go around doing this and if you know some code that makes it easier to rotate the object by dragging your mouse around with the key down then please help!!