.manual-steer {
  --manual-steer-left: 50%;
  position: absolute;
  left: max(22px, env(safe-area-inset-left));
  right: auto;
  top: auto;
  bottom: max(68px, calc(env(safe-area-inset-bottom) + 56px));
  z-index: 18;
  width: clamp(150px, 21vw, 220px);
  height: clamp(102px, 15vw, 150px);
  overflow: hidden;
  border: 5px solid var(--ink);
  border-radius: 30px;
  background: var(--yellow);
  box-shadow: 7px 7px 0 var(--ink);
  touch-action: none;
  cursor: ew-resize;
}

.manual-steer::before,
.manual-steer::after {
  position: absolute;
  top: 50%;
  z-index: 1;
  color: var(--ink);
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 1000;
  line-height: 1;
  transform: translateY(-54%);
  pointer-events: none;
}

.manual-steer::before {
  content: "←";
  left: 7%;
}

.manual-steer::after {
  content: "→";
  right: 7%;
}

.manual-steer-knob {
  position: absolute;
  left: var(--manual-steer-left);
  top: 50%;
  z-index: 2;
  width: clamp(66px, 9.5vw, 96px);
  aspect-ratio: 1;
  border: 5px solid var(--ink);
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 5px 7px 0 rgb(8 9 10 / 0.35);
  transform: translate(-50%, -50%);
  transition: left 110ms cubic-bezier(0.2, 0.9, 0.25, 1.15), box-shadow 100ms ease;
  pointer-events: none;
}

.manual-steer.is-steering .manual-steer-knob {
  transition: none;
  box-shadow: 2px 3px 0 rgb(8 9 10 / 0.35);
}

.manual-steer-knob::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 22%;
  aspect-ratio: 1;
  border: 4px solid var(--ink);
  border-radius: 50%;
  background: var(--paper);
  transform: translate(-50%, -50%);
}

@media (max-height: 430px) {
  .manual-steer {
    bottom: max(58px, calc(env(safe-area-inset-bottom) + 50px));
    width: clamp(145px, 20vw, 190px);
    height: clamp(96px, 14vw, 126px);
    border-radius: 26px;
  }

  .manual-steer-knob {
    width: clamp(62px, 8.5vw, 82px);
  }
}