.add-teacher-wrapper {
  .add-teacher-button {
    @extend .button;
    @extend .typography-heading;

    display: inline-block;

    width: 170px;
    height: 45px;

    span {
        display: inline-block;
        vertical-align: middle;
        line-height: 45px;
    }
  }

  .popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);

    -webkit-backdrop-filter: saturate(150%) blur(10px);

    z-index: 10;
    //display: none;
    opacity: 0;
    visibility: hidden;
    transition: 250ms all;

    .popup-inner {
      width: 400px;
      box-sizing: border-box;
      padding: 20px;
      background: #fff;
      position: absolute;
      border-radius: 8px;
      left: 50%;
      top: 50%;
      transform: translate(-50%, -50%);

      .popup-title {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 20px;

        .popup-close-btn {
          @extend .typography-body;

          cursor: pointer;
          background: #eee;
          display: block;
          line-height: 30px;
          padding: 0 15px;
          font-size: 14px;
          color: #222;
          border-radius: 3px;
        }
      }

      .popup-content {
        ul {
          li {
            margin-bottom: 10px;
            &:last-child {
              margin-bottom: 0;
            }

            input {
              width: 100%;
              border: 1px solid #ddd;
              border-radius: 3px;
              line-height: 34px;
              padding: 0 15px;
              font-size: 14px;
              box-sizing: border-box;
            }

            .add-button {
              @extend .button;
              @extend .typography-heading;

              width: 100%;
              height: 40px;
            }
          }
        }
      }
    }
    .transparent-label {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      z-index: -1;
      cursor: pointer;
    }
  }

  >input {
    display: none;
    &:checked + .popup {
      opacity: 1;
      visibility: visible;
      .popup-inner {
        top: 50%;
      }
    }
  }
}

@supports not (-webkit-backdrop-filter: blur()) {
  .add-teacher-wrapper .popup {
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
  }
}