@mixin mf-container($selector) {
  .mf-#{$selector} {
    position: relative;
    margin-top: $mf-margin-top;
    margin-bottom: $mf-margin-bottom;

    &.mf-has-value .mf-#{$selector}-field,
    .mf-#{$selector}-field:focus {
      color: $mf-color;
      opacity: 1;

      ~ .mf-#{$selector}-label {
        font-size: $mf-label-active-font-size;
        top: $mf-label-active-top;
        left: 0;
      }
    }

    .mf-#{$selector}-hint {
      position: absolute;
      bottom: $mf-hint-bottom;
    }

    + .mf-#{$selector}-hint {
      margin-top: -$mf-margin-bottom;
    }
  }

  .mf-#{$selector}-hint {
    font-weight: $mf-hint-font-weight;
    font-size: $mf-hint-font-size;
    color: $mf-hint-color;
    transition: color $mf-transition-speed ease;
  }

  .mf-#{$selector}-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: $mf-border-color;
    display: block;

    &::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      background: $mf-focus-color;
      height: $mf-bar-height;
      display: block;
      transition: transform $mf-transition-speed ease;
      transform: rotateY(90deg);
    }
  }

  .mf-#{$selector}-label {
    position: absolute;
    top: $mf-label-top;
    pointer-events: none;
    padding-left: $mf-label-padding-left;
    z-index: 1;
    color: $mf-label-color;
    font-size: $mf-font-size;
    font-weight: normal;
    transition: all $mf-transition-speed ease;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .mf-#{$selector}-field {
    outline: none;
    height: $mf-height;
    display: block;
    background: none;
    padding: $mf-padding;
    font-size: $mf-font-size;
    border: 0 solid transparent;
    line-height: $mf-line-height;
    width: 100%;
    color: transparent;
    transition: all $mf-transition-speed ease;
    box-shadow: none;
    opacity: 0.001;

    &:focus {
      ~ .mf-#{$selector}-bar::after {
        transform: rotateY(0deg);
      }

      ~ .mf-#{$selector}-label {
        color: $mf-label-focus-color;
      }
    }
  }

  .mf-has-error {
    .mf-#{$selector}-hint {
      color: $mf-error-color;
    }

    .mf-#{$selector}-bar {
      &,
      &::after {
        background: $mf-error-color;
      }
    }

    .mf-#{$selector}-field:focus {
      ~ .mf-#{$selector}-label {
        color: $mf-error-color;
      }
    }
  }

  .mf-is-success {
    .mf-#{$selector}-hint {
      color: $mf-success-color;
    }

    .mf-#{$selector}-bar::after {
      background: $mf-success-color;
    }

    .mf-#{$selector}-field:focus {
      ~ .mf-#{$selector}-label {
        color: $mf-success-color;
      }
    }
  }
}