@import '../colors.css';
@import '../variables.css';
@import './config.css';

.field {
  composes: reset from '../helpers.css';
  display: block;
  height: var(--checkbox-size);
  margin-bottom: var(--checkbox-field-margin-bottom);
  position: relative;
  white-space: nowrap;

  & .ripple {
    background-color: var(--checkbox-color);
    opacity: 0.3;
    transition-duration: var(--checkbox-ripple-duration);
  }
}

.text {
  color: var(--checkbox-text-color);
  display: inline-block;
  font-size: var(--checkbox-text-font-size);
  line-height: var(--checkbox-size);
  padding-left: var(--unit);
  vertical-align: top;
  white-space: nowrap;
}

.input {
  height: 0;
  opacity: 0;
  overflow: hidden;
  position: absolute;
  width: 0;

  &:focus ~ .check {
    &::before {
      background-color: var(--checkbox-focus-color);
      border-radius: 50%;
      content: '';
      height: var(--checkbox-focus-size);
      left: 50%;
      margin-left: calc(-1 * var(--checkbox-focus-size) / 2);
      margin-top: calc(-1 * var(--checkbox-focus-size) / 2);
      pointer-events: none;
      position: absolute;
      top: 50%;
      width: var(--checkbox-focus-size);
    }

    &.checked::before {
      background-color: var(--checkbox-focus-checked-color);
    }
  }
}

.check {
  border-color: var(--checkbox-text-color);
  border-radius: 2px;
  border-style: solid;
  border-width: 2px;
  composes: reset from '../helpers.css';
  cursor: pointer;
  display: inline-block;
  height: var(--checkbox-size);
  position: relative;
  transition-duration: var(--checkbox-transition-duration);
  transition-property: background-color;
  transition-timing-function: var(--animation-curve-default);
  vertical-align: top;
  width: var(--checkbox-size);

  &.checked {
    background-color: var(--checkbox-color);
    border-color: var(--checkbox-color);

    &::after {
      animation: checkmark-expand 140ms ease-out forwards;
      border-bottom-width: 2px;
      border-color: var(--color-background);
      border-left: 0;
      border-right-width: 2px;
      border-style: solid;
      border-top: 0;
      content: '';
      height: calc(1.2 * var(--unit));
      left: calc(0.4 * var(--unit));
      position: absolute;
      top: calc(-0.1 * var(--unit));
      transform: rotate(45deg);
      width: calc(0.7 * var(--unit));
    }
  }
}

.disabled {
  & > .text {
    color: var(--checkbox-disabled-color);
  }

  & > .check {
    border-color: var(--checkbox-disabled-color);
    cursor: auto;

    &.checked {
      background-color: var(--checkbox-disabled-color);
      border-color: transparent;
      cursor: auto;
    }
  }
}

@keyframes checkmark-expand {
  0% {
    height: 0;
    left: calc(0.6 * var(--unit));
    top: calc(0.9 * var(--unit));
    width: 0;
  }

  100% {
    height: calc(1.2 * var(--unit));
    left: calc(0.4 * var(--unit));
    top: calc(-0.1 * var(--unit));
    width: calc(0.7 * var(--unit));
  }
}