/* Timeline
******************************************************************************* */

.timeline {
  --#{$prefix}timeline-point-indicator-color: #{$timeline-point-indicator-color};
  --#{$prefix}timeline-point-indicator-bg: #{$timeline-point-indicator-bg};
  --#{$prefix}timeline-event-time-color: #{$timeline-event-time-color};
  position: relative;
  padding: 0;
  block-size: 100%;
  inline-size: 100%;
  list-style: none;

  &:not(.timeline-center) {
    padding-inline-start: .5rem;
  }
  .timeline-header {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;

    > *:first-child {
      margin-inline-end: .5rem;
    }
  }


  // Timeline Item
  .timeline-item {
    position: relative;
    border: 0;
    border-inline-start: 1px solid var(--#{$prefix}border-color);
    padding-inline-start: 1.4rem;

    .timeline-event {
      position: relative;
      @include border-radius($timeline-item-border-radius);
      background-color: var(--#{$prefix}paper-bg);
      inline-size: 100%;
      min-block-size: $timeline-item-min-height;
      padding-block: $timeline-item-padding-y $timeline-item-padding-y - .1625;
      padding-inline: $timeline-item-padding-x;

      .timeline-event-time {
        position: absolute;
        color: var(--#{$prefix}timeline-event-time-color);
        font-size: $timeline-event-time-size;
        inset-block-start: 1.1rem;
      }
    }

    // Timeline Point Indicator

    .timeline-indicator,
    .timeline-indicator-advanced {
      position: absolute;
      z-index: 2;
      display: flex;
      align-items: center;
      justify-content: center;
      border: 0;
      @include border-radius(50%);
      background-color: var(--#{$prefix}timeline-point-indicator-bg);
      block-size: $timeline-indicator-size;
      box-shadow: 0 0 0 10px var(--#{$prefix}body-bg);
      inline-size: $timeline-indicator-size;
      inset-block-start: 0;
      inset-inline-start: -1rem;

      // Icons
      .icon-base {
        color: var(--#{$prefix}timeline-point-indicator-color);
      }
    }

    // Timeline Indicator
    & [class*="timeline-indicator-"] {
      border-color: var(--#{$prefix}timeline-point-indicator-color);
    }

    // For advanced Timeline Indicator Background
    .timeline-indicator-advanced {
      background-color: var(--#{$prefix}paper-bg);
      box-shadow: 0 0 0 4px var(--#{$prefix}paper-bg);
    }

    .timeline-point {
      position: absolute;
      z-index: 2;
      display: block;
      background-color: var(--#{$prefix}timeline-point-indicator-color);
      block-size: $timeline-point-size;
      box-shadow: 0 0 0 10px var(--#{$prefix}paper-bg);
      inline-size: $timeline-point-size;
      inset-block-start: 0;
      inset-inline-start: -.38rem;
      outline: 3px solid var(--#{$prefix}timeline-point-indicator-bg);
      @include border-radius(50%);
    }

    // Transparent Timeline Item
    &.timeline-item-transparent {
      .timeline-event {
        background-color: transparent;
        inset-block-start: -.9rem;
        padding-inline: 0;
      }
    }
  }

  // Timeline outline
  &.timeline-outline {
    .timeline-item {
      .timeline-point {
        border: 2px solid var(--#{$prefix}timeline-point-indicator-color);
        background-color: var(--#{$prefix}paper-bg);
        outline: unset;
      }
    }
  }

  // Timeline Center
  &.timeline-center {
    .timeline-item {
      clear: both;
      inline-size: 50%;

      &.timeline-item-left,
      &:nth-of-type(odd):not(.timeline-item-left, .timeline-item-right) {
        border-inline-end: 1px solid $timeline-border-color;
        border-inline-start: 0;
        float: inline-start;
        padding-block-end: 2.5rem;
        padding-block-start: 0;
        padding-inline: 0 2.25rem;

        .timeline-event {
          .timeline-event-time {
            inset-inline-end: -10.2rem;
          }
        }

        .timeline-point {
          inset-inline-start: 100%;
          margin-inline-start: -.3rem;
        }
      }

      &.timeline-item-right,
      &:nth-of-type(even):not(.timeline-item-left, .timeline-item-right) {
        border-inline-start: 1px solid $timeline-border-color;
        float: inline-end;
        inset-inline-end: 2px;
        padding-block-end: 2.5rem;
        padding-inline-start: 2.25rem;

        .timeline-event-time {
          inset-inline-start: -10.2rem;
        }
      }
    }
  }
}

@include media-breakpoint-up(md) {
  .timeline.timeline-center .timeline-item {
    &.timeline-item-left,
    &:nth-of-type(odd):not(.timeline-item-left, .timeline-item-right) {
      .timeline-indicator {
        inset-inline-start: calc(100% - calc(#{$timeline-indicator-size}/ 2));
      }
    }
  }
}

/* To Change Timeline Center's Alignment om small Screen */

@include media-breakpoint-down(md) {
  .timeline {
    &.timeline-center {
      .timeline-end-indicator {
        inset-inline-start: -2px;
      }

      .timeline-item {
        border-inline-end: 0 !important;
        float: inline-start !important;
        inline-size: 100%;
        inset-inline-start: 1rem;
        padding-inline: 3.5rem 1.5rem !important;

        &:not(:last-child) {
          border-inline-start: 1px solid $timeline-border-color !important;
        }

        .timeline-event {
          .timeline-event-time {
            inset-block-start: -1.4rem;
            inset-inline: 0 auto !important;
          }
        }
      }
    }
  }
}

@include media-breakpoint-down(sm) {
  .timeline {
    .timeline-header {
      flex-direction: column;
      align-items: flex-start;
    }
  }
}

@each $state in map-keys($theme-colors) {
  .timeline {
    .timeline-point-#{$state}, .timeline-indicator-#{$state} {
      --#{$prefix}timeline-point-indicator-color: var(--#{$prefix}#{$state});
      --#{$prefix}timeline-point-indicator-bg: var(--#{$prefix}#{$state}-bg-subtle);
    }
  }
}