:root {
  --numStops: 12;
  --stemThickness: 1.5px;
  --tickThickness: 1px;
  --gramBox: 0.20,0.05 0.60,0.90
}

html {
  font-size: calc(0.8rem + 0.8vmin);
}

body {
  display: flex;
  position: absolute;
  background: WhiteSmoke;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  overflow: hidden;
}

pre {
  display: none;
}

.burger {
	position: fixed;
	z-index: 1;
}

.burger > a {
	position: fixed;
  user-select: none;
  -ms-user-select: none;
  -moz-user-select: none;
  -webkit-user-select: none;
}

.burger > .opened {
  transform: scale(1.5, 1) translate(0.08ch, 0);
}

.burger {
  font-size: 1.4em;
}

.menu {
  display: flex;
  font-family: monospace;
  font-size: 1em;
  row-gap: 2ch;
  column-gap: 2ch;
}

.burger, .menu {
  padding: 1vmax;
}

.burger:not([selected]) > .opened, .burger[selected] > .closed {
		display: none;
		visibility: hidden;
		opacity: 0;
}

.burger:not([selected]) > .closed, .burger[selected] > .opened {
		display: block;
		visibility: visible;
		opacity: 1;
}

.burger:not([selected]) + .menu {
		visibility: hidden;
		display: none;
		opacity: 0;
}

.burger[selected] + .menu {
		visibility: visible;
		display: flex;
		opacity: 1;
}

.group {
  display: inline-block;
	text-decoration: underline;
  font-size: 1em;
  padding-bottom: 0.5ch;
}

.parms, .steps, .moves {
  padding-left: 1.8ch;
}

.parm:hover, .step:hover, .move:hover {
  list-style: circle;
}

.parm[selected], .step[selected], .move[selected] {
		list-style: disc;
}

@media (max-aspect-ratio: 1/1) {
  body {
    flex-direction: column;
  }
}

@media (min-aspect-ratio: 1/1) {
  body {
    flex-direction: row;
  }
}

@media (max-aspect-ratio: 1/2) {
  .menu {
    flex-direction: column;
    padding-top: calc(1vmax + 5ch);
  }
}

@media (min-aspect-ratio: 1/2) and (max-aspect-ratio: 1/1) {
  .menu {
    flex-direction: row;
    padding-left: calc(1vmax + 5ch);
  }
}

@media (min-aspect-ratio: 1/1) and (max-aspect-ratio: 4/1) {
  .menu {
    flex-direction: column;
    padding-top: calc(1vmax + 5ch);
  }
}

@media (min-aspect-ratio: 4/1) {
  .menu {
    flex-direction: row;
    padding-left: calc(1vmax + 5ch);
  }
}

@media only screen 
  and (max-device-width:  1024px)
  and (max-device-height: 1024px) {

  .burger[selected] + .menu {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
  }

  .burger[selected] + .menu + .nomogram {
    display: none;
    visibility: hidden;
    opacity: 0;
  }
}

@media only screen 
  and (max-device-width:  1024px)
  and (max-device-height: 1024px)
  and (max-aspect-ratio: 1/1) {

  .menu {
    flex-direction: column;
    padding: 0;
  }
}

@media only screen 
  and (max-device-width:  1024px)
  and (max-device-height: 1024px)
  and (min-aspect-ratio: 1/1) {

  .menu {
    flex-direction: row;
    padding: 0;
  }
}

.nomogram {
  display: flex;
  flex-grow: 1;
  margin: 5vmin;
}

svg {
  flex-grow: 1;
}

.axis {
  stroke-width: 1;
  stroke: magenta;
  opacity: 0.5;
  vector-effect: non-scaling-stroke;
  visibility: hidden;
}

.scale {
  stroke: black;
  stroke-width: var(--stemThickness);
  fill: none;
  vector-effect: non-scaling-stroke;
  opacity: 1.0;
}

.scale[selected] {
  stroke: black;
  stroke-width: calc(var(--stemThickness) * 1.5);
}

.stem {
  stroke-linecap: square;
  vector-effect: non-scaling-stroke;
  opacity: 1;
}

.shoulder {
  stroke-linecap: butt;
  vector-effect: non-scaling-stroke;
  transform: translate(calc(var(--stemThickness) * 0.5));
  opacity: 1;
}

.tick {
  stroke: black;
  stroke-linecap: round;
  stroke-width: var(--tickThickness);
  vector-effect: non-scaling-stroke;
  transform: translate(calc(var(--stemThickness) * 0.5));
  opacity: 1;
}

.cross {
  stroke-width: 1;
  stroke: red;
  fill: red;
  fill-opacity: 0;
  stroke-opacity: 0.9;
  vector-effect: non-scaling-stroke;
}

.cross[selected] {
  stroke-width: 1.8;
}

.valueLabel {
  font-family: "Times New Roman";
  font-size: 0.9em;
  stroke: none;
  fill: red;
  pointer-events: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

#srcLabel {
  text-anchor: start;
  transform: translate(10px);
}

#dstLabel {
  text-anchor: end;
  transform: translate(-10px);
}

#dltLabel {
  text-anchor: start;
  transform: translate(10px);
}

.tickLabel {
  font-family: "Times New Roman";
  font-size: 0.8em;
  dominant-baseline: middle;
  pointer-events: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

.dltTickLabel {
  text-anchor: end;
  transform: translateX(calc(-20px - 0.5vw));
}

.srcTickLabel {
  text-anchor: end;
  transform: translateX(calc(-20px - 0.5vw));
}

.dstTickLabel {
  text-anchor: start;
  transform: translateX(calc(20px + 0.5vw));
}

#scale_12 {
  transform-origin: 0 0;
  transform: scale(1, 0.9);
}

#leftScale_12, #leftScale_24 {
  transform: scale(-1);
}

#contour {
  fill: none;
  stroke: red;
  stroke-dasharray: 2 4;
  stroke-width: 1;
  stroke-linecap: round;
  vector-effect: non-scaling-stroke;
  opacity: 0.9;
}

#isopleth {
  stroke-width: 1;
  stroke: red;
  opacity: 0.9;
  vector-effect: non-scaling-stroke;
  overflow: visible;
}