.sink-example {
  margin-block: 1.5rem;
  padding: .5rem 1rem;
  background: #efeee5;
  border-inline-start: .25rem solid #556449;
  border-radius: .25rem;
}

.sink-fields, .sink-results, .fit-fields {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr));
  gap: 1rem;
  margin-block: 1rem;
}

:is(.sink-fields, .fit-fields) fieldset {
  min-inline-size: 0;
  padding: 1rem;
  border: 1px solid #727768;
  border-radius: .5rem;
}

:is(.sink-fields, .fit-fields) legend { font-weight: 700; }
:is(.sink-fields, .fit-fields) label { display: block; margin-block: .5rem; }
:is(.sink-fields, .fit-fields) input {
  display: block;
  box-sizing: border-box;
  width: 100%;
  min-height: 44px;
  margin-block-start: .25rem;
  font: inherit;
  padding: .35rem .5rem;
}

.sink-results [hidden] { display: none; }
.sink-fit { font-weight: 700; }