[data-bs-theme="light"] body {
   background-image: url("/assets/images/bg-light.png");
   background-position: center;
   background-repeat: repeat;
}

/* دارک مود */
[data-bs-theme="dark"] body {
   background-image: url("/assets/images/bg-dark.png");
   background-position: center;
   background-repeat: repeat;
}