$jtimeline-line-color: #ccc;
$jtimeline-line-height: 3px;

$jtimeline-arrow-size: 50px;
$jtimeline-arrow-background-color: #555;
$jtimeline-arrow-color: #fff;

$jtimeline-event-label-width: 200px;
$jtimeline-event-label-height: 100px;

$jtimeline-event-bullet-size: 30px;
$jtimeline-event-bullet-border-width: 3px;
$jtimeline-event-bullet-color: #0f87ff;
$jtimeline-event-active-bullet-color: #3abb67;

.jtimeline, .jtimeline * {
  box-sizing: border-box;
}

.jtimeline {
  max-width: 100%;
  position: relative;
  padding: $jtimeline-event-label-height $jtimeline-event-label-width;
  overflow: hidden;

  .jtimeline-scroll-left,
  .jtimeline-scroll-right {
    position: absolute;
    cursor: pointer;
    z-index: 20;

    > .jtimeline-arrow {
      width: $jtimeline-arrow-size;
      height: $jtimeline-arrow-size;
      display: flex;
      align-items: center;
      justify-content: center;
      position: relative;
      top: - $jtimeline-arrow-size / 2;
      background-color: $jtimeline-arrow-background-color;
      color: $jtimeline-arrow-color;
      border-radius: 999px;
      box-shadow: 3px 3px 3px rgba(0, 0, 0, 0.25);
    }

    &.is-disabled {
      opacity: 0.25;
      cursor: not-allowed;
    }
  }

  .jtimeline-scroll-left {
    left: 10px;
  }

  .jtimeline-scroll-right {
    right: 10px;
  }

  ul.jtimeline-events {
    min-width: 100%;
    display: block;
    list-style: none;
    margin: 0;
    padding: 0;
    position: absolute;
    transform: translate(0, 0);
    transition: 0.5s ease-in-out;

    &:before {
      content: "";
      display: block;
      width: 50000px;
      height: $jtimeline-line-height;
      background-color: $jtimeline-line-color;
      position: relative;
      left: -25000px;
    }

    > li.jtimeline-event {
      display: block;
      position: absolute;
      z-index: 10;

      > .jtimeline-event-bullet {
        display: block;
        width: $jtimeline-event-bullet-size;
        height: $jtimeline-event-bullet-size;
        background-color: #fff;
        border-radius: 9999px;
        border-width: $jtimeline-event-bullet-border-width;
        border-color: $jtimeline-event-bullet-color;
        border-style: solid;
        position: relative;
        top: - ( $jtimeline-event-bullet-size + $jtimeline-event-bullet-border-width ) / 2;
      }

      > .jtimeline-event-label {
        position: absolute;
        left: - ( $jtimeline-event-label-width / 2 ) + $jtimeline-event-bullet-size / 2;
        width: $jtimeline-event-label-width;
        height: $jtimeline-event-label-height;
        display: flex;
        justify-content: center;
        text-align: center;
        background-color: #fff;

        &:after {
          content: "";
          display: block;
          width: $jtimeline-event-bullet-border-width;
          height: 10px;
          background-color: $jtimeline-event-bullet-color;
          border-radius: 9999px;
          position: absolute;
          left: ( $jtimeline-event-label-width - $jtimeline-event-bullet-border-width ) / 2;
        }
      }

      &:nth-child(odd) > .jtimeline-event-label {
        top: - ( $jtimeline-event-label-height + ( $jtimeline-event-bullet-size + $jtimeline-event-bullet-border-width ) / 2 + 10px );
        align-items: flex-end;

        &:after {
          bottom: -11px;
        }
      }

      &:nth-child(even) > .jtimeline-event-label {
        align-items: flex-start;

        &:after {
          top: - ( $jtimeline-event-bullet-size + $jtimeline-event-bullet-border-width ) / 2 - 1px;
        }
      }

      &:hover,
      &.is-active {
        z-index: 20;

        > .jtimeline-event-bullet {
          border-color: $jtimeline-event-active-bullet-color;
          background-color: $jtimeline-event-active-bullet-color;
        }

        > .jtimeline-event-label {
          &:after {
            background-color: $jtimeline-event-active-bullet-color;
          }
        }
      }
    }
  }
}