#lbl-menu-toggle {
  position: fixed;
  top: 20px;
  left: 30px;
  z-index: 2;
  display: block;
  width: 24px;
  height: 20px;
  cursor: pointer;
  -webkit-transform: translateZ(0);
          transform: translateZ(0);
  transition: opacity 0.5s, -webkit-transform 0.5s;
  transition: opacity 0.5s, transform 0.5s;
  transition: opacity 0.5s, transform 0.5s, -webkit-transform 0.5s;
}
#lbl-menu-toggle.hidden {
  opacity: 0;
  -webkit-transform: translateY(-10px) translateZ(0);
          transform: translateY(-10px) translateZ(0);
}
#lbl-menu-toggle .bar {
  position: absolute;
  display: block;
  height: 2px;
  width: 100%;
  background-color: #2b3d98;
  transition: -webkit-transform 0.2s;
  transition: transform 0.2s;
  transition: transform 0.2s, -webkit-transform 0.2s;
}
#lbl-menu-toggle .bar.line:first-of-type {
  top: 2px;
  -webkit-transform-origin: right center;
          transform-origin: right center;
  transition-delay: 0.1s;
}
#lbl-menu-toggle .bar.cross {
  top: 8px;
  -webkit-transform-origin: center center;
          transform-origin: center center;
}
#lbl-menu-toggle .bar.line:last-of-type {
  top: 14px;
  -webkit-transform-origin: left center;
          transform-origin: left center;
  transition-delay: 0.1s;
}

#ui-drawer {
  position: absolute;
  top: 0;
  left: 0;
  height: calc(100vh - 65px);
  width: 40vw;
  max-width: 500px;
  padding-top: 60px;
  box-sizing: border-box;
  font-family: "Josefin Sans", sans-serif;
  background: #000;
  box-shadow: 0 0 4px rgba(0, 0, 0, 0.8);
  overflow: hidden;
  opacity: 0;
  -webkit-transform: translateX(-40.15vw) translateZ(0);
          transform: translateX(-40.15vw) translateZ(0);
  transition: opacity 0.4s, -webkit-transform 0.4s;
  transition: opacity 0.4s, transform 0.4s;
  transition: opacity 0.4s, transform 0.4s, -webkit-transform 0.4s;
}
#ui-drawer .drawer-folder__label {
  position: relative;
  z-index: 2;
  padding: 12px 30px 10px 30px;
  color: #2b3d98;
  background: #000;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}
#ui-drawer .drawer-folder__option {
  position: relative;
}
#ui-drawer .drawer-folder__option .option__sub-menu {
  position: relative;
}
#ui-drawer .drawer-folder__option .option__label {
  position: relative;
  width: 100%;
  display: block;
  padding: 12px 30px 10px 30px;
  font-size: 0.95em;
  color: white;
  box-sizing: border-box;
  background-color: #292929;
  transition: background-color 0.3s;
}
#ui-drawer .drawer-folder__option .option__label:not(#track--label) {
  cursor: pointer;
}
#ui-drawer .drawer-folder__option .option__label:not(#track--label):hover {
  background-color: #2f2f2f;
}
#ui-drawer .drawer-folder__option:not(:last-child) .option__label {
  border-bottom: 1px solid #1c1c1c;
}
#ui-drawer .drawer-folder__option .fa {
  width: 16px;
  margin-right: 10px;
  box-sizing: border-box;
  color: #6f6f6f;
  transition: color 0.3s;
}
#ui-drawer .drawer-folder__option .fa-lightbulb-o {
  padding: 0 3px;
}
#ui-drawer .drawer-folder__option .fa-signal {
  -webkit-transform: scaleX(-1);
          transform: scaleX(-1);
}
#ui-drawer .drawer-folder__option .fa-music, #ui-drawer .drawer-folder__option .fa-plus {
  color: #2b3d98;
}
#ui-drawer .drawer-folder__option .fa-plus {
  margin-right: 0;
}
#ui-drawer .drawer-folder__option #btn-add-track {
  position: absolute;
  top: 12px;
  right: 30px;
}
#ui-drawer .drawer-folder__option #btn-add-track #in-add-track {
  display: none;
}
#ui-drawer .drawer-folder__option #btn-add-track #lbl-add-track {
  cursor: pointer;
}
#ui-drawer .drawer-folder__option #btn-add-track #lbl-add-track:hover:before {
  opacity: 1;
  -webkit-transform: translateX(-4px);
          transform: translateX(-4px);
}
#ui-drawer .drawer-folder__option #btn-add-track #lbl-add-track:before {
  position: absolute;
  display: block;
  content: "Add";
  white-space: nowrap;
  padding: 4px 8px 4px 4px;
  top: -2px;
  right: 14px;
  opacity: 0;
  transition: opacity 0.3s, -webkit-transform 0.3s;
  transition: opacity 0.3s, transform 0.3s;
  transition: opacity 0.3s, transform 0.3s, -webkit-transform 0.3s;
}
#ui-drawer .drawer-folder__option input[type="checkbox"] {
  display: none;
}
#ui-drawer .drawer-folder__option input[type="checkbox"]:checked ~ .fa {
  color: #2b3d98;
}
#ui-drawer .drawer-folder__option {
  height: 100%;
}
#ui-drawer #track-list {
  position: relative;
  overflow-y: scroll;
  max-height: calc(100vh - 400px);
  width: calc(100% + 18px);
}
#ui-drawer #track-list .track-option {
  padding: 12px 30px 10px 30px;
  font-size: 0.95em;
  color: white;
  background-color: #1a1a1a;
  cursor: pointer;
  border-bottom: 1px solid #121212;
  transition: background-color 0.3s;
}
#ui-drawer #track-list .track-option:hover {
  background-color: #1f1f1f;
}
#ui-drawer #frm-track-title {
  position: absolute;
  top: 20px;
  right: 20px;
  width: calc(60% - 60px);
  padding: 20px;
  background-color: #3f3f3f;
  box-shadow: 0 2px 3px rgba(0, 0, 0, 0.6);
  -webkit-transform: translateZ(0);
          transform: translateZ(0);
  transition: opacity 0.3s, -webkit-transform 0.3s;
  transition: opacity 0.3s, transform 0.3s;
  transition: opacity 0.3s, transform 0.3s, -webkit-transform 0.3s;
}
#ui-drawer #frm-track-title.hidden {
  pointer-events: none;
  opacity: 0;
  -webkit-transform: translateY(-10px) translateZ(0);
          transform: translateY(-10px) translateZ(0);
}
#ui-drawer #frm-track-title:before {
  position: absolute;
  right: 12px;
  top: -7px;
  display: block;
  content: "";
  height: 16px;
  width: 16px;
  background-color: #3f3f3f;
  -webkit-transform: rotate(45deg);
          transform: rotate(45deg);
}
#ui-drawer #frm-track-title #lbl-track-title {
  display: block;
  margin-bottom: 8px;
  color: #2b3d98;
}
#ui-drawer #frm-track-title #txt-track-title {
  width: 100%;
  box-sizing: border-box;
  padding: 4px;
  border-width: 0 0 1px 0;
  border-color: #2b3d98;
  color: white;
  font-family: "Josefin Sans", sans-serif;
  background-color: transparent;
}
#ui-drawer #frm-track-title #txt-track-title:focus {
  outline: none;
}
#ui-drawer #frm-track-title #txt-track-title::-webkit-input-placeholder {
  color: #9f9f9f;
}
#ui-drawer #frm-track-title #txt-track-title:-ms-input-placeholder {
  color: #9f9f9f;
}
#ui-drawer #frm-track-title #txt-track-title::-moz-placeholder {
  color: #9f9f9f;
  opacity: 1;
}
#ui-drawer #frm-track-title #txt-track-title:-moz-placeholder {
  color: #9f9f9f;
  opacity: 1;
}
#ui-drawer #frm-track-title #btn-submit-title {
  position: relative;
  left: 100%;
  padding: 6px 12px;
  margin-top: 10px;
  -webkit-transform: translateX(-100%);
          transform: translateX(-100%);
  background: transparent;
  border: 1px solid #2b3d98;
  cursor: pointer;
  color: white;
  font-family: "Josefin Sans", sans-serif;
  transition: color 0.3s;
}
#ui-drawer #frm-track-title #btn-submit-title:hover, #ui-drawer #frm-track-title #btn-submit-title:hover .fa {
  color: #2b3d98;
}
#ui-drawer #frm-track-title #btn-submit-title:focus {
  outline: none;
}
#ui-drawer #frm-track-title #btn-submit-title .fa {
  width: auto;
  margin-right: 0;
  margin-left: 8px;
  color: white;
}

#chk-menu-toggle {
  display: none;
}
#chk-menu-toggle:checked + #lbl-menu-toggle .line {
  -webkit-transform: scaleX(0);
          transform: scaleX(0);
  transition-delay: 0;
}
#chk-menu-toggle:checked + #lbl-menu-toggle .cross {
  transition-delay: 0.2s;
}
#chk-menu-toggle:checked + #lbl-menu-toggle .cross:nth-of-type(2) {
  -webkit-transform: rotate(45deg) scale(0.8);
          transform: rotate(45deg) scale(0.8);
}
#chk-menu-toggle:checked + #lbl-menu-toggle .cross:nth-of-type(3) {
  -webkit-transform: rotate(135deg) scale(0.8);
          transform: rotate(135deg) scale(0.8);
}
#chk-menu-toggle:checked ~ #ui-drawer {
  opacity: 1;
  -webkit-transform: translateX(0) translateZ(0);
          transform: translateX(0) translateZ(0);
}

#ui-overlay {
  position: absolute;
  width: 100vw;
  height: 100vh;
  top: 0;
  left: 0;
  z-index: 2;
}

#btn-initialize {
  position: absolute;
  top: 50%;
  left: 50%;
  padding: 0.8em 1em 0.6em 1em;
  border: 2px solid;
  border-radius: 1.5em;
  color: white;
  font-family: "Josefin Sans", sans-serif;
  font-size: 1.2em;
  cursor: pointer;
  -webkit-transform: translateX(-50%) translateY(-50%);
          transform: translateX(-50%) translateY(-50%);
  transition: color 0.3s, opacity 0.5s;
}
#btn-initialize:hover {
  color: #2b3d98;
}
#btn-initialize:active {
  -webkit-transform: translateX(-50%) translateY(-50%) scale(0.95);
          transform: translateX(-50%) translateY(-50%) scale(0.95);
}
#btn-initialize.disabled {
  opacity: 0;
  pointer-events: none;
}

#loader {
  display: flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  width: 50px;
  height: 20px;
  top: 50%;
  left: 50%;
  -webkit-transform: translateX(-50%) translateY(-50%);
          transform: translateX(-50%) translateY(-50%);
  transition: opacity 0.5s;
}
#loader.hidden {
  opacity: 0;
}
#loader.loading .load-bar {
  -webkit-animation: load-bar-animation 2s linear infinite;
          animation: load-bar-animation 2s linear infinite;
}
#loader .load-bar {
  flex: 1;
  height: 100%;
  background: #2b3d98;
  opacity: 0.5;
  -webkit-transform: scaleY(1) translateZ(0);
          transform: scaleY(1) translateZ(0);
}
#loader .load-bar:not(:last-child) {
  margin-right: 2px;
}
#loader .load-bar:nth-child(1) {
  -webkit-animation-delay: 0.2s;
          animation-delay: 0.2s;
}
#loader .load-bar:nth-child(2) {
  -webkit-animation-delay: 0.4s;
          animation-delay: 0.4s;
}
#loader .load-bar:nth-child(3) {
  -webkit-animation-delay: 0.6s;
          animation-delay: 0.6s;
}
#loader .load-bar:nth-child(4) {
  -webkit-animation-delay: 0.8s;
          animation-delay: 0.8s;
}
#loader .load-bar:nth-child(5) {
  -webkit-animation-delay: 1s;
          animation-delay: 1s;
}

#audio-controls {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-flow: column;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 65px;
  color: #2b3d98;
  opacity: 1;
  box-shadow: 0 0 4px rgba(0, 0, 0, 0.8);
  transition: opacity 0.5s, -webkit-transform 0.5s;
  transition: opacity 0.5s, transform 0.5s;
  transition: opacity 0.5s, transform 0.5s, -webkit-transform 0.5s;
}
#audio-controls.hidden {
  -webkit-transform: translateY(10px);
          transform: translateY(10px);
  opacity: 0;
}
#audio-controls.disabled {
  pointer-events: none;
}
#audio-controls.disabled .fa {
  opacity: 0.2;
}
#audio-controls #controls__container {
  position: relative;
  background-color: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 20px 30px;
  box-sizing: border-box;
}
#audio-controls #button-controls {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  margin-right: 16px;
}
#audio-controls #button-controls .btn {
  display: flex;
  align-items: center;
  width: 16px;
}
#audio-controls #button-controls .btn:not(:last-child) {
  justify-content: center;
  margin-right: 12px;
}
#audio-controls #title {
  color: #2b3d98;
  flex: 1;
  padding-top: 4px;
  font-family: "Josefin Sans", sans-serif;
  font-size: 1.2em;
  text-align: right;
  transition: opacity 0.3s, -webkit-transform 0.3s;
  transition: opacity 0.3s, transform 0.3s;
  transition: opacity 0.3s, transform 0.3s, -webkit-transform 0.3s;
}
#audio-controls #seek-bar {
  position: absolute;
  top: 0;
  z-index: 2;
  height: 6px;
  width: 100%;
  background-color: #4f4f4f;
  cursor: pointer;
  transition: -webkit-transform 0.5s;
  transition: transform 0.5s;
  transition: transform 0.5s, -webkit-transform 0.5s;
}
#audio-controls #seek-bar #progress-bar {
  height: 100%;
  width: 100%;
  background: #2b3d98;
  -webkit-transform: scaleX(0);
          transform: scaleX(0);
  -webkit-transform-origin: center left;
          transform-origin: center left;
  transition: -webkit-transform 0.5s;
  transition: transform 0.5s;
  transition: transform 0.5s, -webkit-transform 0.5s;
}
#audio-controls #btn-prev, #audio-controls #btn-next {
  -webkit-transform: scaleX(1.5);
          transform: scaleX(1.5);
}
#audio-controls #btn-prev:active, #audio-controls #btn-next:active {
  -webkit-transform: scaleY(0.85) scaleX(1.35);
          transform: scaleY(0.85) scaleX(1.35);
}
#audio-controls .fa {
  cursor: pointer;
  transition: opacity 0.3s;
}
#audio-controls .fa:active:not(#icon-volume):not(#btn-prev):not(#btn-next) {
  -webkit-transform: scale(0.85);
          transform: scale(0.85);
}
#audio-controls #icon-volume {
  position: relative;
}
#audio-controls #icon-volume:hover .input-container {
  opacity: 1;
}
#audio-controls #icon-volume .input-container {
  position: absolute;
  top: -8px;
  left: 12px;
  width: 60px;
  padding: 8px;
  opacity: 0;
  transition: opacity 0.3s;
}
#audio-controls #icon-volume #rng-volume {
  position: relative;
  bottom: 4px;
  width: 100%;
  -webkit-appearance: none;
}
#audio-controls #icon-volume #rng-volume:focus {
  outline: none;
}
#audio-controls #icon-volume #rng-volume::-webkit-slider-runnable-track {
  width: 100%;
  height: 2px;
  cursor: pointer;
  background: #444;
}
#audio-controls #icon-volume #rng-volume::-webkit-slider-thumb {
  height: 14px;
  width: 14px;
  border-radius: 50%;
  background: #2b3d98;
  cursor: pointer;
  -webkit-appearance: none;
  margin-top: -6px;
}
#audio-controls #icon-volume #rng-volume::-webkit-range-track {
  width: 100%;
  height: 2px;
  cursor: pointer;
  background: #444;
}
#audio-controls #icon-volume #rng-volume::-webkit-range-thumb {
  height: 16px;
  width: 16px;
  border-radius: 50%;
  border: 2px solid #444;
  background: transparent;
  cursor: pointer;
  -webkit-appearance: none;
  margin-top: -7px;
}
#audio-controls #icon-volume #rng-volume::-moz-slider-runnable-track {
  width: 100%;
  height: 2px;
  cursor: pointer;
  background: #444;
}
#audio-controls #icon-volume #rng-volume::-moz-slider-thumb {
  height: 14px;
  width: 14px;
  border-radius: 50%;
  background: #2b3d98;
  cursor: pointer;
  -webkit-appearance: none;
  margin-top: -6px;
}
#audio-controls #icon-volume #rng-volume::-moz-range-track {
  width: 100%;
  height: 2px;
  cursor: pointer;
  background: #444;
}
#audio-controls #icon-volume #rng-volume::-moz-range-thumb {
  height: 16px;
  width: 16px;
  border-radius: 50%;
  border: 2px solid #444;
  background: transparent;
  cursor: pointer;
  -webkit-appearance: none;
  margin-top: -7px;
}

#codepen-link {
  position: absolute;
  top: 20px;
  right: 30px;
  height: 40px;
  width: 40px;
  z-index: 10;
  border-radius: 50%;
  box-sizing: border-box;
  background-image: url("https://s3-us-west-2.amazonaws.com/s.cdpn.io/544318/logo.jpg");
  background-position: center center;
  background-size: cover;
  opacity: 0.4;
  transition: all 0.25s;
}
#codepen-link:hover {
  opacity: 0.8;
  box-shadow: 0 0 6px #efefef;
}

@-webkit-keyframes load-bar-animation {
  30% {
    opacity: 1;
    -webkit-transform: scaleY(1.5) translateZ(0);
            transform: scaleY(1.5) translateZ(0);
  }
  60% {
    opacity: 0.5;
    -webkit-transform: scaleY(1) translateZ(0);
            transform: scaleY(1) translateZ(0);
  }
  100% {
    opacity: 0.5;
    -webkit-transform: scaleY(1) translateZ(0);
            transform: scaleY(1) translateZ(0);
  }
}

@keyframes load-bar-animation {
  30% {
    opacity: 1;
    -webkit-transform: scaleY(1.5) translateZ(0);
            transform: scaleY(1.5) translateZ(0);
  }
  60% {
    opacity: 0.5;
    -webkit-transform: scaleY(1) translateZ(0);
            transform: scaleY(1) translateZ(0);
  }
  100% {
    opacity: 0.5;
    -webkit-transform: scaleY(1) translateZ(0);
            transform: scaleY(1) translateZ(0);
  }
}