:root {
  --mainBlue: rgb(43, 160, 255);
  --darkBlue: rgb(32, 106, 167);

  --lightGrey: #bbb;
  --grey: rgb(126, 126, 126);
  --darkGrey: rgb(110, 110, 110);
  
  --shadowGrey: #444;
  --shadowGreyActive: #666;
  
  --noise: url(data:image/png;base64,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);
}

* {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
  font-family: Helvetica, Arial, sans-serif;
  -webkit-tap-highlight-color: rgba(255, 255, 255, 0); 
}

.pendulumContainer {
  border: 2px solid #000;
  width: 360px;
  height: 100vh;
  margin:0 auto;
  background-color: #000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}


/* Main Window */
.mainWindow {
  margin: 0 auto; /*25px*/
  width: 94.444%; /*340px*/
  border: 4px solid var(--grey);
  height: 70%;
  border-top-left-radius: 5px;
  border-top-right-radius: 5px;
  position: relative;
  border-bottom: 0;
  background-image: url("../img/BlackWoodBg.jpg");
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  background-color: #000;
}

.beats {
  margin: 0 auto;
  padding: 2.667% 0; /*12px*/
}

.beatNum {
  text-align: center;
  margin-bottom: 4px;
  color: var(--mainBlue);
  font-size: 2em;
  text-shadow:  3px 0 8px #000;
}

.beatBallsWrapper {
  width: 100%;
  display: flex;
  justify-content: space-evenly;
}

.ball {
  background-color: var(--lightGrey);
  background-image: var(--noise);
  width: 16px;
  height: 16px;
  border-radius: 50%;
}

.ball:nth-last-child(1) {
  margin-right: 0px;
}

.active-ball {
  background-color: var(--mainBlue);
  background-image: var(--noise);
}

.pendulum {
  display: block;
  width: 10px;
  height: 82.222%; /*370px*/
  background-color: var(--mainBlue);
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  transition: box-shadow 1s ease-in;
  border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
  box-shadow:  3px 0 8px 2px #000;
}

.pendulum2 {
  width: 3px;
  background-color: rgb(128, 0, 128);
  height: 95%;
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
}

.swing {
  height: 82.222%; /*370px*/
  box-shadow: 0 0 40px 3px var(--mainBlue);
  transition: box-shadow .5s ease-in;
  transform-origin: bottom;
  animation: swinging ease-in-out forwards infinite; 
  animation-duration: 1500ms; 
  /*  double the milliseconds to sync up to the ticking */
  /* 1000ms is equal to 120bpm (500ms * 2) */
}

@keyframes swinging{
    0%{transform: translateX(-50%) rotate(22deg);}
    50%{transform: translateX(-50%) rotate(-22deg)}
    100%{transform: translateX(-50%) rotate(22deg);}
}

/* DashBoard */
.dashBoard {
  width: 94.444%; /*340px*/
  border: 4px solid var(--grey);
  height: 25%;
  margin: 0 auto;
  border-bottom-left-radius: 5px;
  border-bottom-right-radius: 5px;
  position: relative;
  background-image: var(--noise);
  background-color: var(--grey);
  box-shadow: inset 0px 0px 12px 2px var(--shadowGrey);
}

.tempoSelectorWrapper {
  width: 100%;
}

.tempoAccentDisplayWrapper {
  margin-top: 8px;
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Tempo Display */
.tempoDisplayWrapper {
  display: flex;
  align-items: center;
}

.tempoDisplay {
  font-size: 1.5em;
  color: var(--lightGrey);
  text-shadow: 1px 1px 2px var(--shadowGrey);
}

/* Accent CheckBox */
.accentCheckContainer {
  display: flex;
  position: relative;
  padding-right: 16px;
}

.accentCheckText {
  text-align: center;
  font-size: 1em;
  color: var(--lightGrey);
  margin-right: 12px;
  text-shadow: 1px 1px 2px var(--shadowGrey);
}

.accentCheckWrapper {
  position: relative;
  cursor: pointer;
}

/* Hide default checkbox */
.accentCheck {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  height: 16px;
  width: 16px;
  margin-top: 4px;
  z-index: 10;
}

/* Custom checkbox */
.checkmark {
  position: absolute;
  top: 0;
  left: 0;
  height: 16px;
  width: 16px;
  margin-top: 4px;
  border-radius: 2px;
  background-color: var(--lightGrey);
  border: 2px solid var(--darkGrey);
}

/* When the checkbox is checked, add blue bg */
.accentCheck:checked ~ .checkmark {
  background-color: var(--mainBlue);
  background-image: var(--noise);
}

/* Checkmark (hidden when not checked) */
.checkmark:after {
  content: "";
  position: absolute;
  display: none;
}

/* Show the checkmark when checked */
.accentCheck:checked:checked ~ .checkmark:after {
  display: block;
}

/* Style the checkmark */
.checkmark:after {
  left: 4px;
  top: -1px;
  width: 3px;
  height: 10px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  -webkit-transform: rotate(45deg);
  -ms-transform: rotate(45deg);
  transform: rotate(45deg);
}

/* Tempo Selector */
.tempoWrapper {
  width: 100%;
  text-align: center;
  padding: 0 16px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.minus,
.plus {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background-color: var(--lightGrey);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1em;
  border: 2px solid var(--darkGrey);
  background-image: var(--noise);
  color: var(--grey);
  box-shadow:  2px 2px 2px 0px var(--shadowGrey);
  cursor: pointer;
}

.minus:active,
.plus:active {
  box-shadow:  1px 1px 2px 0 var(--shadowGreyActive);
}

.tempoSlider {
  width: 77%;
  -webkit-appearance: none;
  height: 8px;
  border-radius: 5px;  
  background: var(--lightGrey);
  outline: none;
  opacity: 0.7;
  background-image: var(--noise);
  box-shadow:  0px 0 2px 0px #000;
  margin: 0 10px;
}

.tempoSlider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 28px;
  height: 24px;
  border-radius: 40%;
  background: var(--mainBlue);
  cursor: pointer;
  border: 1px solid var(--darkGrey);
  box-shadow:  4px 3px 8px 0px var(--shadowGrey);
  box-shadow: 3px 3px 6px 0px var(--darkBlue) inset;
}

.tempoSlider::-moz-range-thumb {
  width: 24px;
  height: 20px;
  border-radius: 40%;
  background: var(--mainBlue);
  cursor: pointer;
  border: 1px solid var(--darkGrey);
  box-shadow:  4px 3px 8px 0px var(--shadowGrey);
  box-shadow: 3px 3px 6px 0px var(--darkBlue) inset;
}

.ticksContainer {
  width: 71%;
  list-style: none;
  display: flex;
  margin: 0 auto;
  justify-content: space-between;
  position: relative;
  top: -20px;
}

.ticks {
  width: 30px;
  text-align: center;
  transform: rotate(90deg);
  font-size: .85em;
  color: var(--lightGrey);
  margin-top: 0px;
  text-shadow: 1px 1px 5px var(--shadowGrey);
}

/* Time Signature Selector */
.beatsPerMeasureSelectorWrapper {
  width: 95%;
  margin: 0 auto;
}

.beatsWrapper {
  display: flex;
  justify-content: space-evenly;
}

.beatPerMeasure {
  border-radius: 10%;
  width: 34px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--lightGrey);
  border: 2px solid var(--darkGrey);
  color: var(--darkGrey);
  font-size: .75em;
  background-image: var(--noise);
  box-shadow:  2px 2px 2px 0px var(--shadowGrey);
  cursor: pointer;
}

.beatPerMeasure:active {
  box-shadow:  1px 1px 2px 0 var(--shadowGreyActive);
}

.beatPerMeasure-active {
  background-color: var(--mainBlue);
  color: #fff;
}

/* Play Button */
.buttonContainer {
  width: 80px;
  height: 80px;
  border: 2px solid var(--darkGrey);
  margin: 0 auto;
  position: absolute;
  top: -40px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--lightGrey);
  background-image: var(--noise); 
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 50%;
  z-index: 10;
}

.playButton {
  width: 60px;
  height: 60px;
  background-color: #000;
  color: var(--mainBlue);
  border-radius: 50%;
  font-size: 1em;
  outline: none;
  cursor: pointer;
  background-image: linear-gradient( /* chrome */
    hsla(0, 0%, 100%, 0.5), hsla(0, 0%, 100%, 0) 50%,
    hsla(0, 0%, 0%, 0.3) 50%, hsla(0, 0%, 100%, 0.4)
  );
  position: relative;
  border: 0;
}

.playButton:before {
  content: '';
  display: block;
  position: absolute;
  left: 10px;
  right: 10px;
  top: 5px;
  height: 30px;
  border-radius: 50px;
  background: linear-gradient(
    hsla(0, 0%, 100%, 0.7), hsla(0, 0%, 100%, 0) );
}

.playButton:active {
  font-size: .9em;
}

.playButton:active:before {
  top: 6px;
  left: 12px;
  right: 12px;
}

/* Media Queries */
@media only screen and (min-width: 400px) {
  .pendulumContainer {
    height: 740px;
    border-radius: 25px;
    display: block;
    margin-top: 12px;
    box-shadow: 8px 10px 8px 0px #888;
  }


  /* Main Window */
  .mainWindow {
    margin: 18% auto 0; /*25px*/
    height: 60.81%;
  }

  .dashBoard {
    height: 20.81%; /*154px*/
  }
}