@mixin eui-checkbox() {
  display: inline-block;
  cursor: pointer;
  margin-right: 5px;

  input {
    opacity: 0.001;
    position: absolute;
  }

  .eui-component {
    display: inline-block;
    padding: 1px;
    box-shadow: 0px 1px 1px rgba(0,0,0,0.1);
    margin-bottom: -2px;
    border-radius: 3px;
    padding: 1px;
    background: linear-gradient(to bottom, rgba(0,0,0,0.15) 0%,rgba(0,0,0,0.30) 100%);

    /* hover */
    &:hover {
      .eui-icon {
        opacity: 1;
      }
    }
  }

  .eui-component-wrapper {
    border-radius: inherit;
    position: relative;
    height: 13px;
    width: 13px;
    line-height: 13px;
    background: #ffffff;
  }

  .eui-icon {
    opacity: 0;
    transition: opacity 0.1s;
    color: #e2e2e2;
    text-shadow: 1px 1px #ffffff;
    font-size: 11px;

    &:before{
      position: absolute;
      display: block;
      top: 0px;
      left: 0px;
      height: 100%;
      text-align: center;
    }
  }

  /* disabled */
   &.eui-disabled {
    cursor: inherit;

    .eui-component-wrapper {
      background: #f3f3f3;
    }
  }

  /* focus */
  input:focus + .eui-enabled {
    background: rgba(0,107,255,0.5);
    box-shadow: 0px 0px 4px #0090ff;
    animation: eui-focus-highlight 0.2s 1;

    .eui-icon {
      opacity: 1;
    }
  }

  /* CHECKED */
  &.eui-checked {
    .eui-component {
      background: linear-gradient(to bottom, #40a0f0 0%, #1274c6 100%);
    }

    .eui-component-wrapper {
      background: #40a0f0;
    }

    .eui-icon {
      opacity: 1;
      color: #ffffff;
      text-shadow: 0px 1px 1px rgba(0, 0, 0, 0.2);
    }

    /* disabled */
     &.eui-disabled {
      .eui-icon {
        opacity: 0.5;
      }
    }

    /* focus */
    input:focus + .eui-component {
      background: linear-gradient(to bottom, #40a0f0 0%, #1274c6 100%);
      box-shadow: 0px 0px 4px #0090ff;
      animation: eui-focus-highlight 0.2s 1;

      .eui-icon {
        opacity: 1;
      }
    }
  }
}


/* ERROR HANDLING */
eui-checkbox .eui-error-message {
  margin-left: -7px;
}

/* ERROR */
eui-checkbox.eui-error .eui-component,
eui-checkbox.eui-error .eui-component:hover {
  background: #ff7f7f !important;
  box-shadow: 0px 0px 4px #ff0000 !important;
  animation: eui-error-highlight 0.2s 1;
}