The supported and unsupported logic in media queries is very strange:

✅ ||
✅ &&
✅ !
⛔️ ! ( a || b )
✅ ! ( a && b )
⛔️ ( a && ! b )
✅ >=
⛔️ >
✅ <= ? < ✅ == ✅ != Bring on full calc support, bring on the syntax improvements.