#transport {
  position: fixed;
  left: 50%;
  bottom: calc(20px + env(safe-area-inset-bottom));
  transform: translateX(-50%);
  width: min(560px, calc(100% - 40px));
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 6px 14px 6px 6px;
  background-color: #2c2c2c;
  color: #e0e0e0;
  font-family: "Segoe UI", sans-serif;
  font-size: 13px;
  border-radius: 6px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  user-select: none;
  -webkit-user-select: none;
}

.hide-ui #transport {
  display: none;
}

.transport-button {
  flex-shrink: 0;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 4px;
  background: transparent;
  color: #fff;
  cursor: pointer;

  &:hover {
    background-color: #3a3a3a;
  }

  &:active {
    background-color: #1e1e1e;
  }

  &:focus-visible {
    outline: 1px solid #8a8a8a;
  }
}

.transport-readout {
  flex-shrink: 0;
  width: 3.2em;
  text-align: right;
  font-variant-numeric: tabular-nums;
  color: #bdbdbd;
}

#transport input[type="range"] {
  --progress: 0%;
  flex: 1;
  min-width: 0;
  height: 38px;
  margin-left: 10px;
  background: transparent;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  touch-action: none;

  &::-webkit-slider-runnable-track {
    height: 4px;
    border-radius: 2px;
    background: linear-gradient(to right, #e0e0e0 var(--progress), #555 var(--progress));
  }

  &::-moz-range-track {
    height: 4px;
    border-radius: 2px;
    background: linear-gradient(to right, #e0e0e0 var(--progress), #555 var(--progress));
  }

  &::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px;
    height: 14px;
    margin-top: -5px;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
  }

  &::-moz-range-thumb {
    width: 14px;
    height: 14px;
    border: 0;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
  }

  &:focus-visible {
    outline: none;
  }
}

/* Phones: the panel takes the bottom, so the transport sits under the top row of buttons. */
@media (max-width: 950px) {
  #transport {
    top: calc(64px + env(safe-area-inset-top));
    bottom: auto;
    width: calc(100% - 20px - env(safe-area-inset-left) - env(safe-area-inset-right));
  }
}