phpldapadmin/resources/themes/architect/src/layout/elements/search-box/_search-box.scss

// Search Box

$search-box-size: 42px;

.search-wrapper {
  position: relative;
  margin-right: calc($nav-link-padding-x / 1.5);

  .input-holder {
    height: $search-box-size;
    width: $search-box-size;
    overflow: hidden;
    position: relative;
    transition: all 0.3s ease-in-out;

    .search-input {
      width: 100%;
      padding: 0 70px 0 20px;
      opacity: 0;
      position: absolute;
      top: 0;
      left: 0;
      background: transparent;
      box-sizing: border-box;
      border: none;
      outline: none;
      transform: translate(0, 60px);
      transition: all .3s cubic-bezier(0.000, 0.105, 0.035, 1.570);
      transition-delay: 0.3s;
      font-size: $font-size-base;
    }

    .search-icon {
      width: $search-box-size;
      height: $search-box-size;
      border: none;
      padding: 0;
      outline: none;
      position: relative;
      z-index: 2;
      float: right;
      cursor: pointer;
      transition: all 0.3s ease-in-out;
      background: rgba(0, 0, 0, .06);
      @include border-radius(30px);

      span {
        width: 22px;
        height: 22px;
        display: inline-block;
        vertical-align: middle;
        position: relative;
        transform: rotate(45deg);
        transition: all .4s cubic-bezier(0.650, -0.600, 0.240, 1.650);

        &::before,
        &::after {
          position: absolute;
          content: '';
        }

        &::before {
          width: 4px;
          height: 11px;
          left: 9px;
          top: 13px;
          border-radius: 2px;
          background: $primary;
        }

        &::after {
          width: 14px;
          height: 14px;
          left: 4px;
          top: 0;
          border-radius: 16px;
          border: 2px solid $primary;
        }
      }
    }
  }

  .btn-close {
    position: absolute;
    z-index: 1;
    top: 50%;
    left: 0;
    width: 20px;
    height: 20px;
    margin-top: -10px;
    cursor: pointer;
    opacity: 0 !important;
    // transform: rotate(-180deg);
    transition: all .2s cubic-bezier(0.285, -0.450, 0.935, 0.110);
    transition-delay: 0.1s;

    &::before,
    &::after {
      position: absolute;
      // content: '';
      background: $primary;
      border-radius: 2px;
    }

    &::before {
      width: 2px;
      height: 20px;
      left: 9px;
      top: 0;
    }

    &::after {
      width: 20px;
      height: 2px;
      left: 0;
      top: 9px;
    }
  }

  &.active {
    width: 330px;

    .input-holder {
      width: 290px;
      border-radius: 50px;
      background: rgba(0, 0, 0, 0.05);
      transition: all .5s cubic-bezier(0.000, 0.105, 0.035, 1.570);

      .search-input {
        opacity: 1;
        transform: translate(0, 11px);
      }

      .search-icon {
        width: $search-box-size;
        height: $search-box-size;
        margin: 0;
        border-radius: 30px;

        span {
          transform: rotate(-45deg);
        }
      }
    }

    .btn-close {
      left: 300px;
      opacity: .6 !important;
      // transform: rotate(45deg);
      transition: all .6s cubic-bezier(0.000, 0.105, 0.035, 1.570);
      transition-delay: 0.5s;

      &:hover {
        opacity: 1 !important;
      }
    }

    & + .header-menu {
      opacity: 0;
    }

  }
}