body { --accent: var(--green); }

#go-nogo-stimulus {
  display: grid;
  place-items: center;
  width: 140px;
  height: 140px;
  border: 3px solid var(--border-bright);
  border-radius: 50%;
  letter-spacing: 0;
}

#go-nogo-stimulus[data-condition="go"] { border-color: var(--green); }
#go-nogo-stimulus[data-condition="noGo"] { border-color: var(--red); border-radius: 22%; }

.single-response { grid-template-columns: 1fr; }
.single-response .response-key { width: 100%; }

.go-demo {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 0.8rem;
  align-items: center;
  width: 100%;
  margin-bottom: 0.7rem;
  color: var(--text-dim);
  font-size: 13px;
}

.go-demo strong { color: var(--text); font-size: 28px; text-align: center; }