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

.plans-new-design {
  padding-top: calc(var(--spacing-16) + var(--header-height));

  .main-heading-section {
    text-align: center;
    max-width: 885px;
    margin-left: auto;
    margin-right: auto;

    @media (max-width: @screen-xs-max) {
      text-align: left;
      padding: 0 16px;
    }

    .plans-page-heading {
      margin-top: 8px;
      margin-bottom: unset;
      font-size: 3rem;
      font-weight: 600;
      line-height: 64px;
      @media (max-width: @screen-xs-max) {
        font-size: 2.25rem;
        line-height: 48px;
        padding-right: 5rem;
      }
    }

    .plans-page-sub-heading {
      font-size: 1.125rem;
      line-height: 24px;
      margin-top: 16px;
      margin-bottom: unset;
    }
  }

  .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;
    margin-top: var(--spacing-16);

    // 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;
        color: var(--neutral-70);
        margin: 0;
        border-top-right-radius: 8px;
        border-top-left-radius: 8px;
        border: 1px solid var(--neutral-20);
        padding: var(--spacing-05) var(--spacing-08);
        gap: var(--spacing-04);

        &:focus {
          background-color: unset;
          border: 1px solid var(--green-50);
        }

        &: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;
        }

        @media (max-width: @screen-xs-max) {
          font-size: var(--font-size-02);
          line-height: var(--line-height-02);
          padding: var(--spacing-05);
          gap: var(--spacing-02);
        }
      }

      &.active {
        .plans-new-tab-link {
          border: 1px solid white;
          position: relative;
          color: var(--green-50);

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

          &::before {
            content: '';
            position: absolute;
            background: border-box
              linear-gradient(
                to bottom,
                @green-50 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(--green-50);
        }
      }
    }
  }

  @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: @spacing-09;
    margin-bottom: 40px;

    .plans-new-period-switcher {
      font-size: var(--font-size-05);
      font-weight: 600;
      line-height: var(--line-height-04);
      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(--green-50);
        color: white;
        box-shadow: 0px 2px 4px 0px rgba(30, 37, 48, 0.16);

        .plans-new-discount-badge {
          background-color: #eaf6ef;
          color: var(--green-50);
        }
      }

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

  .plans-new-discount-badge {
    font-size: var(--font-size-01);
    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-tab-content {
    width: 100%;
    border: none;
    padding-top: 0;
  }

  .plans-new-mobile {
    display: none;

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

  .plans-new-desktop {
    display: block;

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

  .plans-new-table {
    width: 100%;

    // overrides
    th {
      font-weight: normal;
    }

    // the following rules are used to make every .plans-new-table-header-content
    // occupy the whole height dynamically
    height: fit-content;
    thead tr {
      height: 100%;

      .plans-new-table-header-content {
        height: 100%;
      }
    }
  }

  @table-4-column-width: 25%;

  // TODO: review the usage of this class
  // and check whether we can move the rule directly in the .plans-new-table
  .plans-new-table-4-column {
    th,
    td {
      width: @table-4-column-width;
    }
  }

  .plans-new-table-4-column.plans-new-table-student {
    margin-left: @table-4-column-width / 2;
  }

  .plans-new-table-group {
    .plans-new-table-header-grid-container {
      min-height: 85px;
    }

    // css specificity issue
    thead tr th .plans-new-table-header-title {
      @media (max-width: @screen-md-max) {
        font-size: var(--font-size-03);
      }
    }
  }

  .plans-new-table-header {
    padding: @spacing-06 @spacing-08;

    @media (max-width: @screen-md-max) {
      padding: @spacing-05;
    }
  }

  .plans-new-table-header-content {
    display: flex;
    flex-direction: column;
    position: relative;

    .plans-new-table-header-title {
      font-size: var(--font-size-05);
      font-weight: 600;
      line-height: var(--line-height-04);
      margin-bottom: @spacing-04;
      color: var(--neutral-90);
      text-align: center;
    }

    .plans-new-table-header-grid-container {
      display: grid;
      grid-column-gap: var(--spacing-04);
      // priceUnitTotal is an optional row
      grid-template:
        'nonDiscountedPrice price .' 2fr
        'priceUnit priceUnit priceUnit' 1fr
        'priceUnitTotal priceUnitTotal priceUnitTotal' auto / 1fr 1fr 1fr;

      .plans-new-table-header-price {
        grid-area: price;
        justify-self: center;

        font-size: var(--font-size-08);
        font-weight: 600;
        line-height: var(--line-height-07);
        color: var(--neutral-90);
      }

      .plans-new-table-header-price-unit {
        grid-area: priceUnit;
        justify-self: center;

        font-size: var(--font-size-02);
        line-height: var(--line-height-02);
      }

      .plans-new-table-header-price-unit-total {
        grid-area: priceUnitTotal;
        justify-self: center;

        font-size: var(--font-size-01);
        line-height: var(--line-height-01);
      }

      .plans-new-table-header-nondiscounted-price {
        grid-area: nonDiscountedPrice;
        justify-self: end;
        align-self: end;

        font-size: var(--font-size-04);
        line-height: var(--line-height-05);
        color: var(--neutral-40);
        font-weight: 600;
      }

      .plans-new-table-header-icon {
        // this element should only be placed in the grid
        // where it's the only element in the grid
        // the grid-area below will make sure that it covers the whole grid
        grid-area: ~'span 2 / span 3';
        justify-self: center;

        font-size: 56px;
        color: var(--neutral-90);
      }
    }

    .plans-new-table-header-desc {
      margin-top: @spacing-05;
      margin-bottom: @spacing-08;
      font-size: var(--font-size-02);
      line-height: var(--line-height-02);
    }

    .plans-new-table-button {
      margin-top: auto;
    }
  }

  .plans-new-table-heading-row {
    // this means min-height, min-height does not work in table layout
    // https://stackoverflow.com/questions/7790222
    height: 64px;
  }

  .plans-new-table-heading-text {
    padding: var(--spacing-05) var(--spacing-08) var(--spacing-05)
      var(--spacing-05);
    font-weight: 600;
    font-size: var(--font-size-04);
    line-height: var(--line-height-03);
    vertical-align: bottom;
  }

  .plans-new-table-feature-row {
    &:nth-child(even) {
      background-color: var(--neutral-10);
    }
  }

  .plans-new-table-section-without-header-row {
    &:nth-child(odd):not(.plans-new-table-heading-row) {
      background-color: var(--neutral-10);
    }
    &:nth-child(even):not(.plans-new-table-heading-row) {
      background-color: white;
    }
  }

  .plans-new-table-feature-th {
    padding: var(--spacing-05) var(--spacing-08) var(--spacing-05)
      var(--spacing-05);

    .plans-new-table-feature-th-content {
      line-height: var(--line-height-03);
      display: flex;
      justify-content: space-between;
      align-items: center;

      .plans-new-table-feature-tooltip-icon {
        cursor: help;
        margin-left: var(--spacing-05);
      }

      .tooltip.in {
        opacity: 1;
      }

      .tooltip-inner {
        padding: var(--spacing-04) var(--spacing-06);
        max-width: 258px;
        width: 258px;
        font-family: Lato, sans-serif;
        font-size: var(--font-size-02);
        text-align: left;
        background-color: var(--neutral-90);
        border-radius: var(--border-radius-base);
      }
    }
  }

  .plans-new-table-feature-td {
    padding: var(--spacing-05) var(--spacing-08);
    text-align: center;
    line-height: var(--line-height-03);

    .green-round-background {
      margin-right: 0;
    }
  }

  // ------------------------------------------------------------------
  // ------------------------------------------------------------------
  // These comments will be deleted before merging this PR
  // Below is the styling for plans cards on mobile screen

  .mobile-plans-card-container {
    width: 100%;

    .mt-spacing-06 {
      margin-top: @spacing-06;
    }

    .highlighted-plans-card {
      border: 2px solid @green-50 !important;
    }

    .mobile-plans-card {
      padding: @spacing-09;
      border: 2px solid @neutral-20;
      width: 100%; // might need max-width
      border-radius: 8px;
      display: flex;
      flex-direction: column;

      .plans-name {
        color: @neutral-90;
        font-size: @font-size-05; // 20px
        font-weight: 600;
        line-height: @line-height-04;
      }

      .old-price {
        padding: @spacing-04 0 0 0;
        color: @neutral-40;
        font-size: @font-size-04; // 18px
        font-weight: 600;
        line-height: @line-height-05;
        margin-bottom: -@spacing-04;
      }

      .price-container {
        display: flex;
        align-items: baseline;
        .price {
          color: @neutral-90;
          font-size: @font-size-08; // 36px
          font-weight: 600;
          line-height: @line-height-07;
          margin-right: @spacing-03;
        }
      }

      .light-gray-text {
        color: @neutral-70;
        font-size: @font-size-02; // 14px
        line-height: @line-height-02;
      }

      .description {
        .green-round-background {
          width: 20px;
          height: 20px;
        }

        .bullets {
          list-style-type: none;
          padding-left: 0;
          margin-bottom: unset;
          li {
            display: flex;
            margin-top: @spacing-05;
          }
        }

        .cta-buy-now {
          width: 100%;
          margin-top: @spacing-08;
          line-height: @line-height-03;
        }
      }
    }
  }
  // ------------------------------------------------------------------
  // ------------------------------------------------------------------
}

.plans-faq {
  .faq-heading-container {
    text-align: center;

    @media (max-width: @screen-xs-max) {
      text-align: unset;
    }
  }

  .plans-faq-header-section {
    text-align: center;
    max-width: 900px;
    margin-top: var(--spacing-13);
    margin-left: auto;
    margin-right: auto;

    .website-redesign-ol-tabs {
      overflow-x: auto;

      @media (max-width: @screen-xs-max) {
        padding: unset;
      }

      .nav-tabs {
        min-width: max-content; // This is for horizontal scrolling

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

  .plans-faq-questions-section {
    max-width: 850px;
    margin: auto;

    .faq-questions-container {
      @media (max-width: @screen-xs-max) {
        padding: unset;
      }
    }

    .tab-content {
      border: 0px;
    }
  }

  .accordions-container :last-child {
    border: 0px !important;
  }

  .accordions-container {
    .custom-accordion-item {
      width: 100%;
      padding-top: var(--spacing-08);
      padding-bottom: var(--spacing-09);
      border-bottom: 1px solid var(--neutral-20);

      .custom-accordion-header {
        text-align: left;
        width: 100%;
        font-size: var(--font-size-04);
        font-weight: 600;
        line-height: var(--line-height-03);
        color: var(--neutral-90);
        background-color: unset;
        border: unset;
        display: flex;
        justify-content: space-between;
        padding: unset;

        .custom-accordion-icon {
          display: flex;
          align-items: center;
          transition: transform 0.35s ease;
        }

        &:not(.collapsed) {
          .custom-accordion-icon {
            transform: rotate(180deg);
            transition: transform 0.35s ease;
          }
        }
      }

      .custom-accordion-body {
        background-color: unset;
        text-align: left;
        padding: unset;
        padding-right: 2rem;
        margin-top: var(--spacing-04);
        font-size: var(--font-size-body-base);
        line-height: var(--line-height-03);
      }
    }
  }
}