@import url('https://fonts.googleapis.com/css?family=Pontano+Sans|Covered+By+Your+Grace');

:root {
  --base: #363639;
  --base-light: #464649;
  --base-dark: #262629;
  --base-shade: #303033;
  --base-text: #7db69d;
  --label: #e9dfde;
  --label-text: #b18373;
  --accent: rgba(35,35,35,.7);
  --button: rgba(40,40,43,.7);
}

// the thing
body {
  background-image: 
    repeating-linear-gradient(var(--a), 
      unquote('rgba(var(--bg-rgb), 0)') 0,
      var(--line-y),
      var(--c2) calc(var(--y) - var(--l)),
      var(--c2) var(--y)
    ),
    repeating-linear-gradient(var(--b), 
      unquote('rgba(var(--bg-rgb), 0)') 0, 
      var(--line-x),
      var(--c1) calc(var(--x) - var(--l)),
      var(--c1) var(--x)
    );
  background-color: var(--bg);
  background-size: var(--size);
}

// defaults
*, *::before, *::after {box-sizing: border-box;}

body {
  margin: 0;
  height: 100vh;
  font-family: 'Pontano Sans', Helvetica, sans-serif;
  display: flex;
}

main {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

// inputs and buttons
button,
select {
  border: none;
  border: 1px inset var(--button);
  padding: .7em 1em;
  border-radius: .35em;
  color: #fff;
  font: inherit;
  background: var(--button);
  cursor: pointer;
  outline: none;
  will-change: transform;
  transition: transform 200ms ease-out;
  &:active {
    transform: scale(.9);
  }
  &[disabled] {
    opacity: .7;
    cursor: not-allowed;
  }
}

::placeholder {
  opacity: .4;
  font-family: 'Pontano Sans', Helvetica, sans-serif;
  font-size: .7em;
  color: var(--label-text);
}
.menu {
  select {
    appearance: none;
    display: inline-block;
    padding: .4em;
    font-size: inherit;
    text-transform: uppercase;
    color: inherit;
    border: none;
    background: rgba(0,0,0,.1);
    border-radius: .2em;
  }
}

.cue {
  width: 7em;
  height: 7em;
  padding: 1em;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  will-change: transform;
  transition: transform 200ms cubic-bezier(1, 0, 0.2, 1.25);
  &:active {
    transform: scale(.9);
  }
  svg {
    fill: var(--c2-contrast);
  }
}
label {
  display: block;
  padding: .3em;
}
textarea {
  font-size: 1.2em;
  font-family: monospace;
  padding: .5em;
  width: 100%;
  height: 100%;
  border: 1px solid #000;
  resize: none;
  flex: 1;
  outline: none;
  background: var(--accent);
  color: rgba(255, 255, 255, .7);
}
.input-text {
  width: 100%;
  font-size: 2em;
  font-family: 'Covered By Your Grace', fantasy, serif;
  color: #5c69c2;
  border: 0;
  background: transparent;
  padding: 0em .5em;
  line-height: 1;
  outline: none;
}

.color-well {
  width: 2.75em;
  height: 2.75em;
  padding: 0;
  border-radius: 50%;
  overflow: hidden;
  border: .3em solid var(--base-shade);
  box-shadow: 0 0 0 1px #000 inset, 0 .3em 1em rgba(0,0,0,.8) inset;
  cursor: pointer;
  transform: translateZ(1em);
  &.color-bg {
    background: var(--bg);
  }
  &.color-a {
    background: var(--c2);
  }
  &.color-b {
    background: var(--c1);
  }
  input[type=color] {
    opacity: 0;
    font-size: 0;
  }
}

// structure & layout
header {
  font-size: 1.3em;
  font-weight: 200;
  flex: 1;
}

.controls {
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: column;
  border: 3px solid var(--base);
  border-color: var(--base-dark) var(--base-light) var(--base-light) var(--base-dark);
  box-shadow: 0 0 1.5em -.5em #000 inset;
  overflow: hidden;
  section {
    z-index: 1;
  }
}

section {
  display: flex;
  align-items: center;
  > * {
    display: flex;
  }
}
.height-100 {
  height: 100%;
}
.row {
  display: flex;
}
.flex-1 {
  flex: 1;
}
.flex-2 {
  flex: 2;
}
.column {
  display: flex;
  flex-direction: column;
}
.space-around {
  justify-content: space-around;
}
.center {
  justify-content: center;
}
.align-center {
  align-items: center;
}
.switch {
  cursor: pointer;
  input {
    opacity: 0;
    position: absolute;
  }
  input + * {
    display: inline-block;
    padding: .4em;
    color: inherit;
    background: rgba(0,0,0,.1);
    border-radius: .2em;
  }
  input:checked + * {
    background: var(--accent);
  }
  button {
    display: inline-block;
    text-transform: uppercase;
    padding: .4em;
    margin: .3em;
    color: inherit;
    background: rgba(0,0,0,.1);
    border-radius: .2em;
    border: none;
    white-space: nowrap;
  }
}

.rad-slider {
  --degree: 0deg;
  --degree-reverse: calc(0deg - var(--degree));
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0em;
  border-radius: 50%;
  transform: rotate(var(--degree));
  .label {
    user-select: none;
    pointer-events: none;
    transform: rotate(var(--degree-reverse));
  }
  &:hover {
    cursor: -webkit-grab;
  }
  &.moving {
    cursor: -webkit-grabbing;
  }
}

.rad-slider {
  &:not(.dirty) .label {
    opacity: 1;
  }
  .label {
    position: absolute;
    left: 50%;
    top: 5%;
    width: 6em;
    height: 6em;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 2000ms linear 2000ms;
    opacity: .5;
    transform: translate(-50%, -100%) rotate(var(--degree-reverse));
  }
  &:hover .label {
    transition-duration: 600ms;
    transition-delay: 0ms;
    opacity: 1;
  }
  &[name=a] {
    border-top-color: var(--c2);
  }
  &[name=b] {
    border-top-color: var(--c1);
  }
}

.spool {
  width: 12em;
  height: 12em;
  box-shadow: 0 0 0 .15em inset, 0 0 0 .15em, 0 0 0 4.5em #26292c;
  border: .9em double;
  border-top: .9em solid orange;
}
.color-wheel {
  width: 12em;
  height: 12em;
  border: .9em solid;
  box-shadow: 0 0 .3em -.15em #000, 0 0 .3em -.15em #000 inset;
}

// inner bits
.color-wheel {
  span {
    pointer-events: none;
    user-select: none;
    position: absolute;
    text-align: center;
    top: 50%;
    left: 50%;
    width: 80%;
    transform: translate(-50%, -50%) rotate(var(--degree-reverse));
  }
  &::before {
    content: '';
    position: absolute;
    top: .5em;
    left: 50%;
    transform: translate(-50%, -1em);
    width: .65em;
    height: 2em;
    border-radius: 1em;
    background: currentColor;
    // box-shadow: 0 0 .3em -.15em #000;
  }
}
.spool {
  &[name=a] {
    --handle-color: var(--c2);
  }
  &[name=b] {
    --handle-color: var(--c1);
  }
  > div {
    width: 65%;
    pointer-events: none;
  }
  span {
    pointer-events: none;
    user-select: none;
    position: absolute;
    top: 35%;
    left: 65%;
    transform: rotate(var(--degree-reverse));
  }
  input[type="range"] {
    transform: rotate(-90deg);
    pointer-events: all;
  }
}

// range slider
input[type="range"] {
	appearance: none;
	outline: none;
  padding: 0;
  border: 0;
	width: 100%;
	height: .5em;
  border-radius: 1em;
  cursor: pointer;
  box-shadow: 0 0 .3em -.15em #000;
  // MOZILLA
  &::-moz-range-track {
    appearance: none;
    background: #fff;
    outline: none;
  }
  &::-moz-focus-outer {
    border: 0;
  }
  &::-moz-range-thumb {
    appearance: none;
    width: 2em;
    height: 2em;
    border: none;
    box-shadow: 0 0 .3em -.15em #000, 0 0 0 .5em var(--handle-color);
    border-radius: 1em;
    background: #fff;
    transform: scale(.7);
    transition: .3s ease-out;
  }
  &::-moz-range-thumb:focus,
  &::-moz-range-thumb:active {
    appearance: none;
    transform: scale(1.1);
  }
  // BLINK/WEBKIT
  &::-webkit-slider-thumb {
    appearance: none;
    width: 2em;
    height: 2em;
    border: none;
    box-shadow: 0 0 .3em -.15em #000, 0 0 0 .5em var(--handle-color);
    border-radius: 1em;
    background: #fff;
    transform: scale(.8);
    transition: .3s ease-out;
  }
  &::-webkit-slider-thumb:focus,
  &::-webkit-slider-thumb:active {
    appearance: none;
    transform: scale(1.1);
  }
  &[disabled] {
    opacity: .3;
    cursor: not-allowed;
    &::-moz-range-thumb {
      box-shadow: none;
    }
    &::-webkit-slider-thumb {
      box-shadow: none;
    }
  }
}

.params input[type=range] {
  background:  var(--label-text);
  &::-moz-range-track {
    background: var(--label-text);
  }
  &::-moz-range-thumb {
    background: var(--label-text);
    box-shadow: 0 0 0 .25em var(--handle-color);
  }
  &::-webkit-slider-thumb {
    background: var(--label-text);
    box-shadow: 0 0 0 .25em var(--handle-color);
  }
}

.palette input[type=range] {
  background:  var(--contrast);
  &::-moz-range-track {
    background: var(--contrast);
  }
  &::-moz-range-thumb {
    background: var(--contrast);
    box-shadow: 0 0 0 .25em var(--handle-color);
  }
  &::-webkit-slider-thumb {
    background: var(--contrast);
    box-shadow: 0 0 0 .25em var(--handle-color);
  }
}

@keyframes show-off {
  to {
    transform: rotate3D(.5, .5, .3, -360deg);
  }
}
.skin {
  .modal__wrapper {
    background: none;
    font-size: 12px;
    animation: show-off 900ms cubic-bezier(1, 0, 0.2, 1.25);
  }
  .modal__header {
    background: var(--base);
    color: var(--base-text);
    border-radius: 1em 1em 0 0;
  }
  .modal__body {
    border-left: 3em solid var(--base);
    border-right: 3em solid var(--base);
    padding: 0;
    display: flex;
  }
  .modal__footer {
    background: var(--base);
    border-radius: 0 0 1em 1em;
    padding: 4.5em 2em 2em 2em;
    perspective: 20em;
    &::before,
    &::after {
      content: '';
      position: absolute;
      width: 1em;
      height: 10em;
      bottom: 4em;
      background: var(--base-shade);
    }
    &::before {
      right: 100%;
      border-radius: 1em 0 0 1em;
    }
    &::after {
      left: 100%;
      border-radius: 0 1em 1em 0;
    }
  }
  .model {
    font-size: 2em;
    font-weight: 900;
    letter-spacing: -1px;
    text-transform: uppercase;
    padding-left: 1ch;
    display: flex;
    align-items: center;
    small {
      font-size: 45%;
      letter-spacing: 0;
      line-height: 1;
      margin-left: 1ch;
    }
  }

  .params {
    --handle-color: var(--label);
    border: 1px inset #555;
    margin: .3em;
    padding: .2em;
    border-radius: .3em;
    text-transform: uppercase;
    font-size: .85em;
    > * {
      flex: 1;
      display: flex;
      background: var(--label);
      color: var(--label-text);
      border-radius: .2em;
      box-shadow: -1px -1px 0 0 rgba(0,0,0,.3) inset;
    }
    // form {
    //   position: absolute;
    //   top: 0;
    //   right: 0;
    // }
  }
  .front {
    .params > * {
      margin-left: .3em;
      transform: rotate(.35deg);
    }
    .case {
      flex-direction: row;
    }
  }
  .back {
    .params > * {
      margin-right: .3em;
      transform: rotate(-.25deg);
    }
    .case {
      flex-direction: column;
    }
    .now-playing {
      position: absolute;
      top: .5em;
      left: .5em;
    }
    .input-text {
      padding-left: 4em;
      padding-right: 2.5em;
    }
  }
}

.palette {
  --handle-color: var(--color); 
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color);
  color: var(--contrast);
  transform: translateY(100%);
  transition: transform 300ms ease-out, background 300ms linear;
  display: flex;
  align-items: stretch;
  // text-shadow: 1px 1px .1em rgba(#000, .35);
  &.open {
    transform: translateY(0%);
  }
  &__x {
    cursor: pointer;
    font-size: 4em;
    line-height: 0;
    opacity: .4;
    position: absolute;
    top: 0.35em;
    right: 0.35em;
  }
  &__key {
    position: absolute;
    top: 2em;
    left: 2em;
    text-transform: uppercase;
    font-weight: bold;
  }
}

// Modal
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  &__mask {
    background: rgba(#fc1770, .5);
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
  }
  &__wrapper {
    font-size: 1vmax;
    position: relative;
    width: 52em;
    height: 36em;
    background: rgba(0,0,0,.3) url(https://s-media-cache-ak0.pinimg.com/originals/60/da/b5/60dab5db582f2a48dd55955dc4297080.jpg) no-repeat 50% 50%;
    background-size: cover;
    color: #fff;
    display: flex;
    border-radius: 1em;
    box-shadow: 0 2em 5em -1em #000;
  }
  &__container {
    flex: 1;
    display: flex;
    flex-direction: column;
  }
  &__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1em 1.5em;
    * {
      margin: 0;
    }
  }
  &__body {
    flex: 1;
    overflow: auto;
  }
  &__footer {
    position: relative;
    > * {
      flex-direction: row-reverse;
      display: flex;
      justify-content: space-between;
    }
  }
  &__x {
    cursor: pointer;
    font-size: 4em;
    line-height: 0;
    opacity: .4;
    position: absolute;
    top: 0.35em;
    right: 0.35em;
  }
}

.front .modal__body {
  overflow: hidden;
  .controls {
    background: rgba(0,0,0,.5);
    &::before,
    &::after {
      content: '';
      position: absolute;
      top: 0;
      bottom: 0;
      z-index: 0;
    }
    &::before {
      background: rgba(0,0,0,.2);
      width: 11em;
      left: 50%;
      transform: translateX(-50%)
    }
    &::after {
      left: 0;
      right: 0;
      border-left: 5.5em solid rgba(0,0,0,.2);
      border-right: 5.5em solid rgba(0,0,0,.2);
    }
  }
}

.button-leave-active,
.modal-enter-active {
  transition: transform 500ms cubic-bezier(1, 0, 0.2, 1.5);
}
.modal-leave-active,
.button-enter-active {
  transition: transform 500ms cubic-bezier(1, -0.5, 0.2, 1);
}

.mask-enter-active, .mask-leave-active {
  transition: opacity 300ms linear;
}
.mask-enter, .mask-leave-to {
  opacity: 0;
}

.button-enter, .button-leave-to,
.modal-enter, .modal-leave-to {
  transform: scale(0);
}


// flipper
.flip-container {
  perspective: 85vmax;
  &.flip-me .flipper {
    transform: rotateY(-180deg);
  }
}
.flipper {
  transition: 1000ms cubic-bezier(1, -0.2, 0.2, 1.2);
  transform-style: preserve-3d;
  position: relative;
  .front,
  .back {
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
  }
  .front {
    transform: rotateY(0deg)
  }
  .back {
    transform: rotateY(-180deg);
  }
}

.side {
  margin-top: -.7em;
  width: 1.3em;
  height: 1.3em;
  border: 1px inset #555;
  border-radius: .1em;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4em;
  font-weight: 900;
  color: var(--base-dark);
  opacity: .5;
}
.trap {
  position: absolute;
  z-index: -1;
  bottom: 0;
  border: .7em solid var(--base);
  border-color: var(--base-light) var(--base-dark) var(--base-dark) var(--base-light);
  border-bottom-width: 0;
  width: 65%;
  height: 8em;
  left: 50%;
  transform-style: preserve-3d;
  transform: translateX(-50%) rotateX(30deg);
  background-image: 
    repeating-linear-gradient(135deg, 
      rgba(54, 54, 57, 0) 0,
      #222 7px,
      #222 6px,
      #222 7px
    ),
    repeating-linear-gradient(45deg, 
      rgba(54, 54, 57, 0) 0, 
      #666 7px,
      #666 6px,
      #666 7px
    );
  background-color: var(--base);
  background-size: 100%;
}

.track-list {
  position: absolute;
  top: 0;
  right: 0;
  color: #fff;
  cursor: pointer;
  border-radius: 0 0 0 .4em;
  overflow: hidden;
  h4 {
    margin: 0;
    padding: 1ch;
    font-weight: 100;
    background: rgba(0, 0, 0, 0.4);
  }
  ul {
    margin: 0;
    padding: 0;
    box-shadow: 0 -1px 0 0 rgba(0,0,0,.1);
    background: rgba(0,0,0, .3);
    box-shadow: 0 0 1.5em -.5em rgba(0, 0, 0, 0.2);
  }
  li {
    list-style: none;
    margin: 0;
    padding: 1ch;
    display: flex;
    align-items: baseline;
    white-space: nowrap;
    &:hover {
      box-shadow: 0 0 2em 0 rgba(0,0,0,.2) inset;
    }
    .fa {
      margin-right: 1ch;
    }
  }
}

[drawer] + * {
  max-height: 0;
  max-width: 0;
  overflow: hidden;
  transition: 270ms ease-out;
  opacity: 0;
}

[drawer].open + * {
  opacity: 1;
  max-height: 500px;
  max-width: 500px;
}