$transition-duration: 1000ms !default;
$toolbar-button-size: 3.2vh !default;
$toolbar-main-button-size: 4vh !default;
$toolbar-padding: 1.4vh !default;

.impress-mouse-timeout #impress-toolbar {
  opacity: 0;
}

@media screen {
  #impress-toolbar {
    bottom: 0;
    height: $toolbar-main-button-size;
    left: 0;
    padding: $toolbar-padding;
    pointer-events: auto;
    position: fixed;
    right: 0;
    transition: opacity $transition-duration;

    button,
    select {
      border-width: 0;
      cursor: pointer;
      font-size: $toolbar-button-size*0.6;
      line-height: $toolbar-button-size;
      margin: 0 4px;
      opacity: 0.6;
    }

    button {
      background-color: #666;
      border-radius: 50%;
      box-shadow: 0 3px 1px -2px rgba(0, 0, 0, 0.2), 0 2px 2px 0 rgba(0, 0, 0, 0.14), 0 1px 5px 0 rgba(0, 0, 0, 0.12);
      color: #fff;
      height: $toolbar-button-size;
      left: 8vh;
      position: absolute;
      text-align: center;
      top: 50%;
      width: $toolbar-button-size;

      &:hover {
        opacity: 0.87;
      }

      &:active {
        background-color: #9e9e9e;
      }

      &:focus {
        outline: none;
      }

      .material-icons {
        font-size: $toolbar-button-size*0.6;
        line-height: $toolbar-button-size;
      }
    }

    select {
      appearance: none;
      background-color: #fff;
      border: 1px solid #aaa;
      border-radius: 4px;
      box-shadow: 0 1px 0 1px rgba(0, 0, 0, 0.04);
      box-sizing: border-box;
      color: #444;
      display: block;
      line-height: 1.3;
      margin: 0;
      max-width: 20%;
      padding: 0.6em 1.4em 0.5em 0.8em;
      position: absolute;
      right: 16px;
      text-transform: capitalize;
      top: 50%;
      transform: translate(0, -50%);
      width: 20%;

      &:hover {
        border-color: #888;
      }

      option {
        background: #fff;
        color: #000;
        font-weight: normal;
        line-height: 1.3;
      }
    }
  }

  #impress-autoplay-playpause {
    height: $toolbar-main-button-size !important;
    transform: translate(-50%, -50%);
    width: $toolbar-main-button-size !important;
  }

  #impress-navigation-ui-prev {
    transform: translate(-50%, -50%) translate(-$toolbar-button-size*1.4, 0);
  }

  #impress-navigation-ui-next {
    transform: translate(-50%, -50%) translate($toolbar-button-size*1.4, 0);
  }
}

@media print {
  #impress-toolbar {
    display: none;
  }
}