html {
  height: 100%;
}
body {
  margin: 0;
  background-color: #333;
  color: white;
  overflow: hidden;
  height: 100%;
}
canvas {
  display: block;
  background: white;
}
.svg-center {
  text-anchor: middle;
  dominant-baseline: central;
  fill: red;
}
.box {
  stroke-width: 1px;
  stroke: black;
}
.help-outline,
*[data-help]:hover {
  outline: 2px solid red;
}
.dragging {
  pointer-events: none;
}
.draggable {
  position: absolute;
  box-shadow: 2px 2px 15px #000;
}
.draggable-svg {
  display: block;
  height: 100%;
  width: 100%;
  position: absolute;
  left: 0;
  top: 0;
  z-index: 1;
  pointer-events: none;
}
.window-content {
  max-height: 95vh;
  overflow: auto;
}
#arrows {
  position: absolute;
  left: 0;
  top: 0;
  z-index: -10;
  pointer-events: none;
}
#hint {
  position: absolute;
  display: inline-block;
  background: #444;
  color: white;
  /* border: 1px solid black; */
  box-shadow: 5px 5px 10px black;
  padding: 1em;
  max-width: 600px;
  font-family: Arial, Helvetica, sans-serif;
  z-index: 1000;
  max-height: 80vh;
  overflow: auto;
}
#hint a {
  color: aquamarine;
}
html {
  box-sizing: border-box;
}
*, *::before, *::after {
  box-sizing: inherit;
}
body {
  font-family: monospace;
}
.name-line {
  display: flex;
}
.name-help {
  flex: 0 0 auto;
  padding-left: 0.5em;
  padding-right: 0.5em;
  background: rgba(255, 255, 255, 0.3);
}
.name {
  flex: 1 1 auto;
  font-weight: bold;
  text-align: center;
  padding-bottom: 5px;

  background: linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.3),
    rgba(255, 255, 255, 0.3) 50%,
    rgba(0, 0, 0, 0) 50%,
    rgba(0, 0, 0, 0)
  );
  background-size: 100% 2px;
}
.expander-content code>pre,
#hint code>pre {
  background: #23241f;
}
.bad {
  background: red;
  font-weight: bold;
  padding-left: 1em;
  padding-right: 1em;
}
.good {
  display: none;
}
.state-block {
  border: 1px solid black;
  background: hsl(240, 100%, 85%);
  display: inline-block;
}
#global-state,
.webgl-object {
  display: inline-block;
  padding: 10px;
}
#canvas { background: hsla(190, 100%, 20%, 0.8); }
#global-state { background: hsla(0, 100%, 15%, 0.8); }
.program { background: hsla(30, 100%, 30%, 0.8); }
.program-attributes { background: hsla(30, 100%, 20%, 0.8); }
.program-uniforms { background: hsla(30, 100%, 20%, 0.8); }
.shader { background: hsla(60, 100%, 15%, 0.8); }
.transform-feedback { background: hsla(95, 80%, 25%, 0.8); }
.buffer { background: hsla(130, 100%, 15%, 0.8); }
.sampler { background: hsla(170, 100%, 15%, 0.8); }
.texture { background: hsla(200, 100%, 15%, 0.8); }
.vertex-array { background: hsla(260, 100%, 15%, 0.8); }
.renderbuffer { background: hsla(300, 100%, 15%, 0.8); }
.framebuffer { background: hsla(330, 100%, 15%, 0.8); }

.active-texture-unit {
  background: hsl(0, 50%, 50%);
}
.program-attributes, .program-uniforms {
  margin-top: 10px;
  border: 1px solid black;
}
.program-uniform-block {
  background: rgba(0, 0, 0, 0.25);
  background-blend-mode: darken;
} 

.vertex-array .attrib-enable .used-when-enabled,
.vertex-array .used-when-disabled {
  background: inherit;
}

.attrib-values .attrib-enable .used-when-disabled,
.vertex-array .attrib-enable .used-when-disabled,
.vertex-array .used-when-enabled {  /* but not enabled */
  background: #444;
  color: #888;
}
.vertex-array .attrib-enable .used-when-enabled,
.vertex-array .used-when-disabled { /* but not enabled */
  color: #FFF;
}

.vertex-array .attrib-enable .used-when-disabled 
.vertex-array .used-when-disabled {
  gbackground: #666;
  gcolor: #AAA;
}
.attrib-disabled { background: #888; }
.shader {
  display: flex;
  flex-direction: column;
}
/*
.shader>*:last-child {
  flex: 1 1 auto;
  background: #23241f
}
*/
.expander>div:first-child:hover {
  background:rgba(255, 255, 255, 0.4);
}
.expander.open>div:first-child {
  margin-bottom: 0.5em;
}
.expander>div:first-child::before {
  content: '▶';
  padding-right: 1em;
}
.expander>*:nth-child(0n+2) {
  display: none;
}
.expander-name-line {
  display: flex;
}
.expander-name {
  flex: 1 1 auto;
}
.expander-help {
  flex: 0 0 auto;
  padding-left: 2em;
}
.expander {
  padding: 0.5em 0 0 0;
}
.expander.open {
  background: rgba(255, 255, 255, 0.1);
  padding-bottom: 0.5em;
}
.expander.open>*:nth-child(0n+2) {
  display: initial;
}
.expander.open>div:first-child:before {
  content: '▼';
}
.expander-content {
  width: 100%;
}
.flash {
  animation: flash 1s 100;
}

@keyframes flash {
  1% {
    background-color: red;
  }
}

table {
  border-collapse: collapse;
  width: 100%;
}
td, th {
  border: 1px solid hsla(0, 0%, 100%, 0.5);
  padding: 0.25em;
  white-space: pre;
}
th {
  background: rgba(255,255,255,0.3);
}
.across2 {
  display: flex;
}
.across2>*:first-child {
  margin-right: 5px;
}
.across2>*:last-child {
  margin-left: 5px;
}
.fill-height {
  align-items: stretch;
}
.mips {
  display: flex;
  align-items: flex-end;
}
.mips>* {
  border: 1px solid black;
  margin-right: 2px;
  background: hsl(0, 100%, 50%);
  background-size: cover;
}
.mips canvas {
  background-color: #404040;
  background-image:
     linear-gradient(45deg, #808080 25%, transparent 25%),
     linear-gradient(-45deg, #808080 25%, transparent 25%),
     linear-gradient(45deg, transparent 75%, #808080 75%),
     linear-gradient(-45deg, transparent 75%, #808080 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
}
.filtering-linear {
  image-rendering: auto;
}
.filtering-nearest {
  image-rendering: pixelated;
}
/*
.mip0 {
  width: 128px;
  height: 128px;
}
.mip1 {
  width: 64px;
  height: 64px;
}
.mip2 {
  width: 32px;
  height: 32px;
}
.mip3 {
  width: 16px;
  height: 16px;
}
.mip4 {
  width: 8px;
  height: 8px;
}
.mip5 {
  width: 4px;
  height: 4px;
}
.mip6 {
  width: 2px;
  height: 2px;
}
.mip7 {
  width: 1px;
  height: 1px;
}
*/
#everything {
  display: flex;
  height: 100%;
}
#diagram {
  flex: 3 1 auto;
  width: 70%;
  user-select: none;
  height: 100%;
}
#codearea {
  flex: 1 1 auto;
  background: #23241f;
  color: white;
  width: 30%;
  height: 100%;
  display: flex;
  flex-direction: column;
  z-index: 990;
}
#ui {
  font-size: xx-large;
  flex: 0 0 auto;
  display: flex;
}
#ui>* {
  margin: 0.1em;
  padding: 0.5em;
  background: hsl(240, 100%, 50%);
  color: white;
  line-height: 0.5;
}
.ui-button {
  background: hsl(240, 100%, 50%);
  padding: 0.25em;
}
#ui>*:hover {
  background: hsl(240, 100%, 80%);
}
#code {
  flex: 1 1 auto;
  padding: 0.5em;
  overflow: scroll;
}
#code>div {
  display: flex;
}
#code pre {
  margin: 0;
  padding: 0;
  overflow: visible;
}
#code pre:hover {
  background: hsl(240, 100%, 20%);
}
#code .line-marker {
  position: relative;
  width: 1.5em;
  flex: 0 0 auto;
}
#code .line-marker::before {
  content: '>●';
  font-weight: bold;
  color: red;
  visibility: hidden;
  position: absolute;
  bottom: 0;
}
#code .current-line .line-marker::before {
  visibility: visible;
}
.get-webgl {
  display: none;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  z-index: 2000;
  position: absolute;
  left: 0;
  top: 0;
  color: white;
  font-size: 18pt;
}
.get-webgl {
  background: red;
}
.no-webgl .get-webgl {
  display: flex;
}

.current-line,
.current-line .hljs {
  background: hsl(0, 100%, 16%);
}

@media (max-width: 1200px) {
  body {
   font-size: x-small;
  }
}