$gray-1: lighten(#363534, 5%); //#4e5255;
$gray-2: lighten(#252525, 5%);
$gray-3: #363534;
$gray-4: #c0c0c0;
$yellow: #eebb66;
$green: #44ccaa;
$white: #fbfaf5;
$letters: #abb8c9;
$blue: #6688cc;

@import url('https://fonts.googleapis.com/css?family=Orbitron:700|Play|Squada+One|Kanit:900');

html, body {
  font-family: arial, verdana, sans-serif;
}

#notice { font-size: 10px;}

input,
.sound,
.keysound {
  display: none;
  position: absolute;
  width: 0;
  top: -10000px;
  top: -100vmax;
}

#keyboard {
  width: 1000px;
  height: 287px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(1);
  overflow: hidden;
  &::after {
    content: "";
    z-index: -1;
    position: absolute;
    top: 2px;
    left: 6px;
    bottom: 0px;
    right: 6px;
    background: $gray-3;
    box-shadow: inset 0 0 8px 2px rgba(0, 0, 0, 1), inset 0 0 11px white, inset 0 0 3px rgba(0, 0, 0, 1);
  }
  .speaker {
    position: absolute;
    width: 182px;
    height: 100%;
    z-index:3;
    &::before, &::after {
      content: "";
      position: absolute;
      z-index: -1;
      position: absolute;
      top: 5px;
      left: 2px;
      right: 2px;
      height: 70px;
      background: $gray-3;
    }
    &::after {
      top: auto;
      bottom: 5px;
      height: 170px;
    }
    .circle {
      position: absolute;
      width: 130px;
      height: 130px;
      background: rgba(0,0,0,0.4);
      left: 26px;
      bottom: 26px;
      border-radius: 130px;
      &::before, &::after {
        content: "";
        position: absolute;
        left: 35px;
        top: 0;
        width: 8px;
        height: 100%;
        background: $gray-2;
      }
      &::after {
        left: auto;
        right: 35px;
      }
    }
    .bar {
      position: relative;
      width: 182px;
      height: 11px;
      background: $gray-1;
      border-radius: 2px;
      margin-top: 2px;
      box-shadow: inset 0 1px 1px lighten($gray-1, 15%), inset 0 -1px 1px darken($gray-1, 20%), inset 3px 3px 1px lighten($gray-1, 10%), inset 0 -3px 3px darken($gray-1, 10%), 2px 1px 2px rgba(0,0,0,0.5);
      &:nth-child(n+7) {
        //box-shadow: inset 0 1px 1px lighten($gray-1, 25%), inset 0 -1px 1px darken($gray-1, 30%), 2px -1px 2px rgba(0,0,0,0.5);
        box-shadow: inset 0 1px 1px lighten($gray-1, 15%), inset 0 -1px 1px darken($gray-1, 20%), inset 3px 3px 1px lighten($gray-1, 10%), inset 0 -3px 3px darken($gray-1, 10%), 2px 0px 2px rgba(0,0,0,0.5);
      }
      &.bar-top {
        height: 13px;
        margin-top: 0;
        border-radius: 20px 4px 4px 4px;
      }
      &.bar-mid {
        height: 12px;
        margin-top: 27px;
      }
      &.bar-bottom {
        height: 13px;
        border-radius: 4px 4px 4px 20px;
      }
    }
    &#speaker-right {
      right: 0;
      .bar {
        //box-shadow: inset 0 1px 2px lighten($gray-1, 20%), inset 0 -1px 2px darken($gray-1, 20%), -2px 1px 2px rgba(0,0,0,0.5);
        box-shadow: inset 0 1px 1px lighten($gray-1, 15%), inset 0 -1px 1px darken($gray-1, 20%), inset 3px 3px 1px lighten($gray-1, 10%), inset 0 -3px 3px darken($gray-1, 10%), -2px 1px 2px rgba(0,0,0,0.5);
        &:nth-child(n+7) {
          //box-shadow: inset 0 1px 2px lighten($gray-1, 20%), inset 0 -1px 2px darken($gray-1, 20%), -2px -1px 2px rgba(0,0,0,0.5);
          box-shadow: inset 0 1px 1px lighten($gray-1, 15%), inset 0 -1px 1px darken($gray-1, 20%), inset 3px 3px 1px lighten($gray-1, 10%), inset 0 -3px 3px darken($gray-1, 10%), -2px 0px 2px rgba(0,0,0,0.5);
        }
        &.bar-top {
          height: 13px;
          border-radius: 4px 20px 4px 4px;
        }
        &.bar-bottom {
          height: 13px;
          border-radius: 4px 4px 20px 4px;
        }
      }
    }
  }
  .nav {
    position: relative;
    left: 184px;
    background: $gray-2;
    width: 632px;
    border-radius: 2px;
    box-shadow: inset 1px 1px 1px lighten($gray-2, 25%),  inset 0 -2px 1px darken($gray-2, 10%), 0 1px 2px rgba(0,0,0,0.5);
    z-index: 2;
    &#nav-top {
      border-radius: 2px 2px 1px 1px;
      height: 78px;
      .text {
        position: absolute;
        font-weight: bold;
        opacity: 0.8;
        font-size: 5.5px;
      }
      #casio {
        position: absolute;
        left: 20px;
        top: 8px;
        font-family: Orbitron;
        font-weight: bold;
        color: $letters;
        opacity: 0.8;
        font-size: 14px;
        span {
          font-weight: lighter;
          margin-left: 6px;
          //font-size: 0.8em;
          font-family: play;
        }
      }
      .bluetext {
        position: absolute;
        font-family: kanit, play, arial, sans-serif;
        color: $blue;
        opacity: 0.66;
        text-transform: uppercase;
        font-style: italic;
        font-weight: bold;
        left: 20px;
        font-size: 18px;
        &#onehundred {
          top: 19px;
          span {
            font-size: 0.7em;
            margin-left: 5px;
          }
        }
        &#tonebank {
          top: 30px;
          span {
            //letter-spacing: -1px;
            &.together {
              letter-spacing: -5px;
              margin-right: 6px;
            }
            &.larger {
              font-size:1.2em;
            }
          }
        }
      }
      ol {
        top: 8px;
        right: 8px;
        position: absolute;
        list-style: none;
        padding-left: 0;
        margin: 0;
        padding: 0;
        color: $letters;
        counter-reset: modes 0;
        font-size: 3.25px;
        font-weight: bold;
        column-count: 10;
        opacity: 0.8;
        text-transform: uppercase;
        li {
          &::before {
            content: counter(modes, decimal-leading-zero);
            color: $blue;
            margin-right: 2px;
          }
          &::after {
            counter-increment: modes;
            content: "";
          }
        }
      }
      #powertext {
        color: $yellow;
        bottom: 12px;
        left: 8px;
      }
      #offontext {
        color: $gray-4;
        font-size: 5px;
        bottom: 4px;
        left: 6px;
      }
      #pulse {
        color: $gray-4;
        bottom: 12px;
        left: 111px;
        span {
          color: $yellow;
          font-size: 6px;
          font-weight: bold;
          margin-left: 2px;
        }
      }
      #volume, #rythm, #tone {
        color: $yellow;
        bottom: 12px;
        left: 195px;
        text-transform: uppercase;
      }
      #rythm {
        left: 275px;
        font-size: 5.5px;
      }
      #tone {
        left: 499px;
      }
      #volume-symbols {
        position: absolute;
        bottom: 4px;
        left: 192px;
        color: $gray-4;
        opacity: 0.8;
        font-size: 5px;
        &::before {
          content: "▼";
        }
        &::after {
          content: "▲";
          padding-left: 20px;
        }
      }
      #demo {
        position: absolute;
        bottom: 10px;
        left: 238px;
        display: inline-block;
        font-size: 5.5px;
        background: $yellow;
        font-weight: bold;
        padding: 2px 1.5px;
        border-radius: 1px;
        opacity: 0.8;
      }
      #tones {
        position: absolute;
        right: 0;
        bottom: 4px;
        width: 250px;
        display: flex;
        .tone {
          text-align: center;
          -webkit-flex: 1;
          flex: 1;
          color: $gray-4;
          font-size: 5px;
          opacity: 0.8;
        }
      }
      #tempo {
        color: $gray-4;
        font-size: 5px;
        bottom: 4px;
        left: 274px;
        &::before {
          margin-right: 2px;
          display: inline-block;
          content: "▼";
        }
        &::after {
          content: "▲";
          display: inline-block;
          margin-left: 2px;
        }
      }
      #select, #stop {
        bottom: 4px;
        left: 317px;
        color: $gray-4;
      }
      #stop {
        left: 346px;
      }
    }
    &#nav-mid {
      margin-top: 27px;
      height: 30px;
      #super, #sa-rythm {
        position: absolute;
        color: $green;
        font-family: "Squada One", Play, arial, sans-serif;
        font-size: 10px;
        opacity: 0.8;
        top: 6px;
        left: 12px; 
      }
      #sa-rythm {
        color: $gray-4;
        left: auto;
        right: 12px;
        font-family: Arial;
        font-size:7px;
        top: auto;
        bottom: 8px;
      }
      #green-lines, #white-lines {
        position: absolute;
        top: 12px;
        left: 5px;
        width: 0;
        height: 7px;
        border-left: 1px solid $green;
        opacity: 0.6;
        &::before, &::after {
          content:"";
          display: block;
          position: absolute;
          top:0;
          left: 0;
          width: 5px;
          height: 0;
          border-top: 1px solid $green;
        }
        &::after {
          top: auto;
          bottom: 0;
          width: 560px;
        }
      }
      #white-lines {
        left: auto;
        right: 5px;
        height: 7px;
        top: 18px;
        border-left: 1px solid $gray-4;
        &::before, &::after {
          border-top: 1px solid $gray-4;
          left: auto;
          right: 0px;
        }
        &::after {
          width: 620px;
        }
      }
      #line1, #line2 {
        font-size: 4px;
        color: $green;
        position: absolute;
        bottom: 9px;
        color: $green;
        opacity: 0.8;
        width: 600px;
        height: 0;
        div {
          position: absolute;
          top: -4px;
          line-height: 4px;
          display: inline-block;
          background: $gray-2;
          text-transform: uppercase;
          transform: translate(-50%, 0);
          padding: 0px 2px;
          white-space: nowrap;
        }
      }
      #line2 {
        bottom: 4px;
        color: $gray-4;
        div {
          top: -3px;
        }
      }
      #sa-rock { left: 4.9%; }
      #sa-pops { left: 11%; }
      #sa-funk { left: 16.8%; }
      #sa-slow-rock { left: 27%; }
      #sa-latin { left: 33.4%; }
      #sa-jungle { left: 43.4%; }
      #sa-orient { left: 49.6%; }
      #sa-bagpiper { left: 56.1%; }
      #sa-fanfare { left: 66%; }
      #sa-childs-play { left: 72.3%; }
      #sa-classical { left: 82.5%; }
      #sa-computer { left: 88.4%; }
      #sa-new-age-music { left: 94.7%; }
      #sa-rock1 { left: 12px; }
      #sa-rock2 { left: 8%;}
      #sa-16-beat-1 { left: 13.8%; }
      #sa-16-beat-2 { left: 19.6%; }
      #sa-disco-1 { left: 24%; }
      #sa-disco-2 { left: 30.2%; }
      #sa-disco-3 { left: 36.6%; }
      #sa-pops-1 { left: 40.4%; }
      #sa-pops-2 { left: 46.6%; }
      #sa-pops-3 { left: 52.6%; }
      #sa-slow-rocK { left: 58.6%; }
      #sa-swing { left: 62.9%; }
      #sa-march { left: 69%; }
      #sa-reggae { left: 75.4%; }
      #sa-tango { left: 79.3%; }
      #sa-samba { left: 85.5%; }
      #sa-bossa-nova { left: 91.8%; }
      #sa-beguine { left:98%; }
      #sa-waltz { left: 102.2%; }
    }
  }
  #keys {
    position: relative;
    left: 184px;
    background: $gray-2;
    width: 632px;
    border-radius: 2px;
    box-shadow: inset 1px 1px 1px lighten($gray-2, 25%),  inset 0 -2px 1px darken($gray-2, 10%), 0 1px 2px rgba(0,0,0,0.5);
    z-index: 2;
    height: 145px;
    border-radius: 0;
    display: flex;
    z-index:1;
    .key {
      display: block;
      -webkit-flex: 1;
      flex:1;
      margin-right: 1px;
      border-radius: 0px 0px 3px 3px;
      background: $white;
      //box-shadow: inset 0px -8px 3px -7px darken($white, 40%), inset 0 -5px 1px darken($white, 20%), inset 0px -13px 0px -7px white, inset 2px 5px 3px rgba(255,255,255,0.25), inset 0px 3px 0 darken($white, 20%), 0 0 1px 0 darken($white, 20%); 
      box-shadow: inset 0px -2px 2px -0px darken($white, 40%),  inset 0px -13px 0px -7px white, inset 2px 5px 3px rgba(255,255,255,0.25), inset 0px 3px 0 darken($white, 20%), 0 0 1px 0 darken($white, 20%);
      transition: all 0.25s;
      &:hover {
        cursor: pointer;
      }
      &:active {
        //box-shadow: inset 0 -2px 1px darken($white, 20%), inset 0px 3px 0 darken($white, 20%), 0 0 1px 0 darken($white, 20%);
        //box-shadow: inset 0px -2px 3px -0px darken($white, 40%), inset 0 -1px 1px darken($white, 20%), inset 0px -13px 0px -7px white, inset 2px 5px 3px rgba(255,255,255,0.25), inset 0px 3px 0 darken($white, 20%), 0 0 1px 0 darken($white, 20%);
        box-shadow: inset 0px -1px 3px -0px darken($white, 40%),  inset 0px -9px 0px -3px white, inset 2px 5px 3px rgba(255,255,255,0.25), inset 0px 3px 0 darken($white, 20%), 0 0 1px 0 darken($white, 20%);
      }
      &:last-child {
        margin-right: 0;
      }
      &:nth-child(n+20) {
        position: absolute;
        top: 0;
        height: 85px;
        width: 18px;
        background: #1e1e1e;
        border-radius: 0 0 3px 3px;
        box-shadow: none;
        transform: translate(-50%, 0);
        box-shadow: inset 0 -5px 1px black, inset 2px 5px 3px rgba(255,255,255,0.25), inset 0px 3px 0 black, 0 0 1px 0px black; 
        &:active {
          box-shadow: inset 0 -1px 1px 0 black, inset 2px 5px 3px rgba(255,255,255,0.25), inset 0px 3px 0 black, 0 0 1px 0px black;
        }
      }
      $percentages: (4.7, 10.4, 16, 25.8, 31.8, 41.3, 47.2, 53.3, 62.6, 68.6, 78.4, 84, 90);
      @for $i from 1 through 13 {
        &:nth-child(#{$i + 19}) { left: nth($percentages, $i) * 1%; }
      }
    }
  }
  #button-section {
    position: absolute;
    top: 78px;
    left: 184px;
    width: 632px;
    height: 25px;
    z-index: 1;
    .onoff {
      position: absolute;
      top: 4px;
      bottom: 1px;
      left: 5px;
      background: $gray-4;
      width: 30px;
      overflow: hidden;
      box-shadow: 1px 2px 2px rgba(0,0,0,0.5), 0 0 1px rgba(0,0,0,0.5), inset 0 1px 1px rgba(255,255,255,0.5);
      cursor: pointer;
      //transform: translate(0,0);
      transition: all 0.15s;
      .line {
        position: relative;
        float: left;
        width: 2px;
        height: 100%;
        box-shadow: 1px 0 0 rgba(255,255,255,0.2), -1px 0 0 rgba(0,0,0,0.2), inset 0 1px 1px rgba(255,255,255,0.5);
        &:nth-child(n+7) {
          float: right;
        }
      }
    }
    .button {
      display: block;
      width: 8px;
      height: 21px;
      background: $blue;
      margin: auto auto;
      margin-top: 4px;
      box-shadow: inset 0 -1px 1px black, inset 1px 1px 2px rgba(255,255,255,0.25), inset 0px 0px 0 black, 0 0 1px 0px black, 1px 1px 1px rgba(0,0,0,0.5); 
      cursor: pointer;
      &:active {
        box-shadow: inset 0 -1px 1px black, inset 1px 1px 2px rgba(255,255,255,0.25), inset 0px 0px 0 black, 0 0 1px 0px black, 0px 0px 1px rgba(0,0,0,0.1); 
      }
    }
    #blue-buttons {
      position: absolute;
      right: 0;
      width: 250px;
      height: 100%;
      display: flex;
      .holder {
        -webkit-flex: 1;
        flex:1;
      }
    }
    #other-buttons {
      position: absolute;
      right: 267px;
      width: 183px;
      height: 100%;
      display: flex;
      .holder {
        -webkit-flex: 1;
        flex: 1;
        .button {
          background: $yellow;
        }
        &:nth-child(n+4) {
          .button {
            background: $green;
          }
        }
        &:nth-child(3), &:nth-child(2) {
          margin-right: 4px;
        }
      }
    }
  }
}

@media all and (max-width:1000px) {
  #keyboard {
    transform: translate(-50%, -50%) scale(0.6);
  }
}

// actions when a label is clicked or activated
#onoff {
  &:checked {
    ~ #keyboard .onoff {
      left: 9px;
    }
    ~ #keyboard #button-section {
      label:active ~ .sound {
        display: block;
      }
    }
    
    //TODO: Add all the notes in MP3 or whatever!
    @for $i from 0 through 31 {
      ~ #keyboard #keys label:nth-child(#{$i + 1}):active ~ #keysounds .keysound:nth-child(#{$i + 1}) {
        display: block;
      }
    }
  }
  &:not(:checked) {
    ~ #keyboard {
      label:active ~ .sound {
        display: block;
      }
    }
  }
}

@media all and (max-width:600px) {
  #keyboard {
    transform: translate(-50%, -50%) scale(0.4);
  }
}

@media all and (max-width:414px) {
  #keyboard {
    transform: translate(-50%, -50%) scale(0.35);
  }
}