overleaf/services/web/frontend/stylesheets/app/plans/plans-new-design.less

@z-index-plans-new-tabs: 1;
@z-index-plans-new-tabs-content: 0;

.plans-new-design {
  .plans-new-content {
    display: flex;
    flex-direction: column;
    align-items: center;

    @media (min-width: @screen-sm-min) {
      border-left: 1px solid var(--neutral-20);
      border-right: 1px solid var(--neutral-20);
      border-bottom: 1px solid var(--neutral-20);
      border-radius: 8px;
    }

    // this is the border between the tabs and the content, specifically on the left and right side
    // this is necessary to enable top border radius on the plans-new-content
    &::before {
      content: '';
      display: block;
      z-index: @z-index-plans-new-tabs-content;
      position: absolute;
      top: -1px; // make border overlap with the border on .plans-new-tabs
      width: 100%;
      height: 20px; // arbitrary height since it's transparent, make sure that it's bigger than border radius
      background: transparent;
      border-top: 1px solid var(--neutral-20);

      @media (min-width: @screen-sm-min) {
        border-top-left-radius: 8px;
        border-top-right-radius: 8px;
      }
    }
  }

  .plans-new-tabs-container {
    z-index: @z-index-plans-new-tabs;

    // explicit padding to tell that the bottom left and bottom right
    // does not have bottom border defined in .plans-new-tabs
    // technically unnecessary because padding is already defined in bootstrap column
    padding: 0 16px;
  }

  .plans-new-tabs {
    display: flex;
    justify-content: center;
    gap: 8px;
    border-bottom: 1px solid var(--neutral-20);

    .plans-new-tab {
      cursor: pointer;
      font-size: 16px;
      font-weight: 600;
      border-top-right-radius: 8px;
      border-top-left-radius: 8px;

      .plans-new-tab-link {
        border: unset;
        display: flex;
        align-items: center;
        gap: 12px;
        color: var(--neutral-70);
        margin: 0;
        border-top-right-radius: 8px;
        border-top-left-radius: 8px;
        border: 1px solid var(--neutral-20);

        &:focus {
          background-color: unset;
          border: 1px solid var(--emerald-green);
        }

        &:hover {
          background-color: var(--neutral-20);
        }

        // tab navigation focus style
        &:focus-visible {
          // https://stackoverflow.com/a/38571103
          outline: auto 2px Highlight; // firefox
          outline: auto 5px -webkit-focus-ring-color;
          background-color: white;
        }
      }

      &.active {
        .plans-new-tab-link {
          border: 1px solid white;
          position: relative;

          // remove the border on tab focus
          &:focus-visible {
            &::before {
              content: unset;
            }
          }

          &::before {
            content: '';
            position: absolute;
            background: border-box
              linear-gradient(
                to bottom,
                @emerald-green 0%,
                @neutral-20 85%,
                @neutral-20 100%
              );
            -webkit-mask:
              linear-gradient(white 0 0) padding-box,
              linear-gradient(white 0 0);
            mask:
              linear-gradient(white 0 0) padding-box,
              linear-gradient(white 0 0);
            -webkit-mask-composite: xor;
            mask-composite: exclude;
            border-top-right-radius: 8px;
            border-top-left-radius: 8px;
            border: 1px solid transparent;
            border-bottom: 1px solid white;

            // make the border overlap with the .plans-new-tab-link border
            top: 0;
            bottom: -2px;
            left: -1px;
            right: -1px;
          }

          &:hover {
            background-color: unset;
          }
        }

        .plans-new-discount-badge {
          background-color: #eaf6ef;
          color: var(--emerald-green);
        }
      }
    }
  }

  @switcher-container-width: 270px;
  @switcher-container-height: 44px;
  @switcher-container-border-radius: @switcher-container-height / 2;
  @switcher-container-padding: 6px;
  @switcher-padding-vertical: 2px;
  @switcher-height: @switcher-container-height - 2 * @switcher-container-padding;
  @switcher-border-radius: @switcher-height / 2;

  .plans-new-period-switcher-container {
    display: flex;
    justify-content: center;
    background-color: var(--neutral-10);
    width: @switcher-container-width;
    height: @switcher-container-height;
    border-radius: @switcher-container-border-radius;
    padding: @switcher-container-padding;
    margin-top: 64px;
    margin-bottom: 40px;

    .plans-new-period-switcher {
      font-size: 20px;
      font-weight: 600;
      line-height: 1.4;
      text-align: center;
      padding: 2px 8px;
      height: @switcher-height;
      border-radius: @switcher-border-radius;
      display: flex;
      align-items: center;
      border: unset;
      background-color: unset;

      &:hover {
        background-color: var(--neutral-20);
      }

      &.active {
        background-color: var(--emerald-green);
        color: white;
        box-shadow: 0px 2px 4px 0px rgba(30, 37, 48, 0.16);

        .plans-new-discount-badge {
          background-color: #eaf6ef;
          color: var(--emerald-green);
        }
      }

      .plans-new-discount-badge {
        margin-left: 6px;
      }
    }
  }

  .plans-new-discount-badge {
    font-size: 12px;
    font-family: 'DM Mono', monospace;
    padding: 2px 8px;
    height: 20px;
    border-radius: 10px;
    background-color: var(--neutral-70);
    color: white;
    display: flex;
    align-items: center;
  }

  .plans-new-mobile {
    display: none;

    @media (max-width: @screen-xs-max) {
      display: flex;
    }
  }

  .plans-new-desktop {
    display: flex;

    @media (max-width: @screen-xs-max) {
      display: none;
    }
  }
}