html {
  --green: #9DE5B8;
  --blue: #23465A;
  --cream: #DEF2F1;
  
  --slider-size: 20px;
  --thumb-size: 10px;
}

body {
  font-family: 'IBM Plex Mono', monospace;
  -webkit-font-smoothing: antialiased;
  font-size: 16px;
  margin: 0;
  padding: 0;
  touch-action: manipulation; /* disable double-tap zoom */
  position: relative;
  text-align: center;
  background: var(--cream);
  color: var(--blue);
  line-height: 1.5;
}

* { box-sizing: border-box; }

[hidden] {
  display: none !important;
}

[disabled] {
  opacity: 0.3;
  pointer-events: none;
}

/******************
 * Layout and colours
 ******************/
p { line-height: 1.5; }
#splashScreen p {
  margin-bottom: 32px;
}

h1 {
  font-size: 60px;
  font-weight: normal;
  text-align: center;
  margin-top: 0;
}

#mainScreen h1 {
  font-size: 30px;
}

a {
  font-weight: bold;
  transition: color 0.2s linear;
}

a:link, a:visited {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 2px solid var(--blue);
}
a:hover {
  background: var(--blue);
  color: var(--cream);
  text-decoration: none;
}

.full {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  min-height: 100vh;
  padding: 40px;
  padding-top: 0;
}

.content {
  z-index: 1;
  position: relative;
  text-align: left;
  max-width: 900px;
  margin: 0 auto;
}

section {
  position: relative;
  margin: 40px 0;
}

#mainScreen section {
  padding: 40px;
  background: white;
  border-radius: 5px;
  text-align: left;
}

section .index {
  height: 60px;
  width: 60px;
  border-radius: 50%;
  background: var(--blue);
  color: white;
  font-weight: bold;
  font-size: 30px;
  line-height: 60px;
  text-align: center;
  position: absolute;
  left: -30px;
  top: 45px;
}

.with-padding {
  padding: 8px;
}

.horizontal {
  flex-direction: row;
  display: flex;
  justify-content: space-around;
  align-items: center;
}

.vertical {
  flex-direction: column;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.relative {
  position: relative;
}

.green {
  background: var(--green);
  border: none;
  color: var(--blue);
}

.blue {
  background: var(--blue);
  border: none;
  color: var(--cream);
}

.cream {
  background: var(--cream);
  border: 2px solid var(--blue);
  color: var(--blue);
}

/******************
 * Buttons
 ******************/
.button {
  display: inline-block;
  font-family: inherit;
  font-weight: normal;
  transition: all 0.2s linear;
  text-align: center;
  padding: 8px;
  margin: 0;
  border: none;
  text-shadow: none;
  border-radius: 3px;
  cursor: pointer;
  
  font-size: 16px;
  vertical-align: middle;
  background: var(--blue);
  color: white;
}

.button:hover {
  background: var(--cream);
  color: var(--blue);
}

#splashScreen .button {
  padding: 14px 8px;
  min-width:300px;
}

#splashScreen .button:hover {
  letter-spacing: 2px;
}

.button-circle {
  display: inline-block;
  font-family: inherit;
  font-weight: bold;
  transition: all 0.2s linear;
  text-align: center;
  padding: 0;
  margin: 0 8px;
  border: none;
  border-radius: 50%;
  text-shadow: none;
  cursor: pointer;
  width: 30px;
  height: 30px;
  vertical-align: middle;
  background: var(--green);
  fill: var(--blue);
  position: absolute;
  top: 10px;
  right: 0;
  
}
.button-circle:hover {
  background: var(--blue);
  fill: var(--cream);
}
.button-circle > svg {
  pointer-events: none;
}

input[type="file"] {
  width: 0;
  height: 0;
  opacity: 0;
  cursor: pointer;
  display: none;
}

input[type="tel"], input[type="text"] {
  border: none;
  border-bottom: 4px solid var(--blue);
  box-shadow: none;
  font-size: inherit;
  width: 60px;
  background: transparent;
  color: inherit;
  font-weight: inherit;
  text-align: center;
}

input[type="text"] {
  width: 50%;
  font-family: inherit;
}

/******************
 * Sections
 ******************/
.visualizer-container {
  overflow: auto;  
  min-height: 100px;
}

/******************
 * Sliders
 ******************/
.sliders-container {
  height: 200px;
  width: 100%;
  position: relative;
  margin: 8px 0;
  xpadding: 0 8px;
  overflow: hidden;
  text-align: center;
}

#midimeSlidersContainer {
  width: 300px;
  margin-right: 8px;
}

.range-wrap {
  width: var(--slider-size);
  height: 100px;
  position: relative;
}

#lines {
  position: absolute;
  left: -1px;
}

input[type=range] {
  position: absolute;
  top: 50%;
  left: 50%;
  margin: 0;
  padding: 0;
  width: 100px;
  height: var(--thumb-size);
  transform: translate(-50%, -50%) rotate(-90deg);
}

input[type=range] {
  -webkit-appearance: none; 
  -moz-appearance: none;
  appearance: none;
  background: transparent;
  border-bottom: none;
}
input[type=range]:hover {
  background: transparent;
}

 /* Thumb */
input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  border: none;
  height: var(--thumb-size);
  width: 4px;
  background: var(--blue);
  cursor: pointer;
  margin-top: -3px;
}
input[type=range]::-webkit-slider-thumb:hover {
  transform: scale(1.5);
}
input[type=range]::-moz-range-thumb {
  -webkit-appearance: none;
  border: none;
  height: var(--thumb-size);
  width: 4px;
  background: var(--blue);
  cursor: pointer;
  margin-top: -3px;
}
input[type=range]::-moz-range-thumb:hover {
  transform: scale(1.5);
}
input[type=range]::-ms-thumb {
  -webkit-appearance: none;
  border: none;
  height: var(--thumb-size);
  width: 4px;
  background: var(--blue);
  cursor: pointer;
  margin-top: -3px;
}
input[type=range]::-ms-thumb:hover {
  transform: scale(1.5);
}

input[type=range]::-webkit-slider-runnable-track {
  height: 2px;
  cursor: pointer;
  background: var(--blue);
}
input[type=range]::-moz-range-track {
  height: 2px;
  cursor: pointer;
  background: var(--blue);
}
input[type=range]::-ms-track {
  height: 2px;
  cursor: pointer;
  background: var(--blue);
}


#mvaeSliders input[type=range]::-webkit-slider-runnable-track {
  background: transparent;
}
#midimeSliders input[type=range]::-webkit-slider-runnable-track {
  height: 4px;
  background: var(--green);
}
#mvaeSliders input[type=range]::-moz-range-track {
  background: transparent;
}
#midimeSliders input[type=range]::-moz-range-track {
  height: 4px;
  background: var(--green);
}#mvaeSliders input[type=range]::-ms-track {
  background: transparent;
}
#midimeSliders input[type=range]::-ms-track {
  height: 4px;
  background: var(--green);
}

#midimeSliders input[type=range]::-webkit-slider-thumb {
  background: var(--green);
  width: 20px;
  height: 20px;
  border-radius: 50%;
  margin-top: -8px;
}
#midimeSliders input[type=range]::-moz-range-thumb {
  background: var(--green);
  width: 20px;
  height: 20px;
  border-radius: 50%;
  margin-top: -8px;
}
#midimeSliders input[type=range]::-ms-thumb {
  background: var(--green);
  width: 20px;
  height: 20px;
  border-radius: 50%;
  margin-top: -8px;
}

#errorGraph .line {
  fill: none;
  stroke: var(--blue);
  stroke-width: 4;
}

rect.active {
  outline: 1px solid black;
}

@media screen and (max-width: 800px) {
  .sliders {
    flex-direction:row !important;
  }
  #midimeSlidersContainer {
    width: 100%;
    margin-right: 0;
  }
}

@media screen and (max-width: 600px) {
  .full {
    padding: 0;
  }
  
  .horizontal {
    flex-direction: column;
  }
  
  html {
    --slider-size: calc(90vw / 90);
    --thumb-size: calc(90vw / 80);
  }
  
  .button {
    padding: 4px 8px;
    margin-bottom: 8px;
  }
  
  #mainScreen section {
    margin: 20px 10px;
    padding: 20px 10px;
  }
  #splashScreen section {
    margin: 20px;
    padding: 0;
  }
  .index {
    left: calc(50% - 40px) !important;
    top: -30px !important;
  }
  
  #splashScreen h1 {
    margin-bottom: 0;
    margin-top: 0;
  }
  #mainScreen h1 {
    margin-bottom: 40px;
  }
  input[type=range]::-webkit-slider-thumb {
    margin-top: -2px;
  }
}