Generated by SassMeister.com.

input.scss

.c-address-modal {
  // Deklarationen und genestete Regeln
  content: 'ok Im here';
}

// nicht-genestete Regel :(
.v--modal__header + .c-address-modal {
    content: 'i want that';
}

.c-address-modal {
    
    .v--modal__header + & {
        content: 'it works';
    }
}

output.css

.c-address-modal {
  content: "ok Im here";
}

.v--modal__header + .c-address-modal {
  content: "i want that";
}

.v--modal__header + .c-address-modal {
  content: "it works";
}

settings.json

{
  "sass": {
    "compiler": "dart-sass/1.32.12",
    "extensions": {},
    "syntax": "SCSS",
    "outputStyle": "expanded"
  },
  "autoprefixer": false
}