.active(@color: @outline-color) {
  border-color: @color;
}

// == when hoverd
.hover(@color: @input-hover-border-color) {
  border-color: @color;
}

.disabled() {
  background-color: @input-disabled-bg;
  color: @disabled-color;

  &:hover {
    .hover(@input-border-color);
  }
}