components/sass/form.scss

@import "init/mixins";

input,
textarea,
select {
  height: var(--height-input);
  border-radius: var(--border-radius);
  border: 1px solid;
  color: var(--color-input);
  border-color: var(--color-input-border);
  background-color: var(--color-input-bg);
  padding-right: var(--spacing-s);
  padding-left: var(--spacing-s);

  &:focus {
    @include focus;
  }

  &::placeholder {
    color: var(--color-input-placeholder);
    opacity: 0.4;
  }

  &:disabled {
    opacity: 0.4;

    & + label {
      opacity: 0.4;
    }
  }

  &[type="range"] {
    height: auto;
    height: 0.5rem;
    background-color: var(--color-secondary);
  }
}

checkbox-element,
radio-element,
select {
  cursor: pointer;
}

select {
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 96 96' xmlns='http://www.w3.org/2000/svg' fill='%23212529'%3E%3Cpath d='M17.172, 31.172c1.562, -1.562 4.095, -1.562 5.656, 0l25.172, 25.171l25.172, -25.171c1.562, -1.562 4.095, -1.562 5.656, 0c1.562, 1.562 1.562, 4.095 0, 5.656l-28, 28c-1.562, 1.562 -4.095, 1.562 -5.656, 0l-28, -28c-0.781, -0.781 -1.172, -1.805 -1.172, -2.828c0, -1.023 0.391, -2.047 1.172, -2.828Z'/%3E%3C/svg%3E%0A");
  background-position: 99% center;
  background-repeat: no-repeat;
  background-size: 1rem;
  padding-right: var(--spacing-l);
  padding-left: var(--spacing-s);
}

fieldset-group {
  display: flex;
  flex-direction: row;
  justify-content: space-between;

  &.fieldset-group--smushed {
    fieldset-section + fieldset-section {
      margin-top: 0;
    }
  }
}

fieldset-section,
form,
.checkbox,
.radio {
  + fieldset-section,
  + form,
  + .checkbox,
  + .radio {
    margin-top: var(--spacing-s);
  }

  &:last-child {
    margin-bottom: 0;
  }

  input,
  select {
    width: 100%;
  }
}

fieldset-section,
.checkbox,
.radio {
  display: flex;
  flex-direction: column;
}

label {
  font-size: var(--font-small);
  color: var(--color-input-label);
  display: inline-block;
  margin-bottom: var(--spacing-xxs);
}

input-submit {
  display: flex;

  & > *:first-child,
  & > *:nth-child(2) {
    margin: 0;
  }

  & > *:first-child {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
    border-right: none;
  }

  & > *:nth-child(2) {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
    border: 1px solid var(--color-border);
  }
}

.checkbox,
.radio {
  position: relative;

  input[type="checkbox"],
  input[type="radio"] {
    height: var(--height-checkbox);
    width: var(--height-checkbox);
    position: absolute;
    border: none;
    left: 0;
    padding: 0;
    background-color: transparent;

    &:disabled + label {
      cursor: default;
      pointer-events: none;
    }
  }

  label {
    position: relative;
    display: inline-block;
    margin: 0;
    font-size: var(--font-base);
    padding-left: calc(var(--height-checkbox) + var(--spacing-s));
    min-height: var(--height-checkbox);

    &::before {
      background-color: var(--color-input-toggle-bg);
    }

    &:hover {
      &::before {
        background-color: var(--color-input-toggle-bg-hover);
      }
    }
  }

  label::before,
  label::after {
    position: absolute;
    content: "";
  }

  // Hide the checkmark by default
  input[type="checkbox"] + label::after,
  input[type="radio"] + label::after {
    content: none;
  }

  // Unhide on the checked state
  input[type="checkbox"]:checked + label::after,
  input[type="radio"]:checked + label::after {
    content: "";
  }

  input[type="checkbox"]:focus + label::before,
  input[type="radio"]:focus + label::before {
    @include focus;
  }
}

.checkbox {
  // Outer box of the fake checkbox
  label::before {
    height: var(--height-checkbox);
    width: var(--height-checkbox);
    border: 1px solid var(--color-input-border);
    border-radius: var(--border-radius);
    left: 0px;
    top: -1px;
  }

  // Checkmark of the fake checkbox
  label::after {
    height: 6px;
    width: 12px;
    border-left: 2px solid;
    border-bottom: 2px solid;
    border-color: var(--color-input-toggle);
    transform: rotate(-45deg);
    left: 6px;
    top: 6px;
  }
}

.radio {
  input[type="radio"] {
    border-radius: 50%;
  }

  // Outer box of the fake radio
  label::before {
    height: var(--height-radio);
    width: var(--height-radio);
    border: 1px solid var(--color-input-border);
    border-radius: calc(var(--height-radio) * 0.5);
    left: 0px;
    top: -1px;
  }

  // Checkmark of the fake radio
  label::after {
    height: 12px;
    width: 12px;
    border-radius: 50%;
    background-color: var(--color-secondary);
    left: 6px;
    top: 5px;
  }
}

.range__label {
  display: flex;
  justify-content: space-between;
  width: 100%;

  > * {
    width: 33%;
    text-align: center;

    &:first-of-type {
      text-align: left;
    }
    &:last-of-type {
      text-align: right;
    }
  }
}

.fieldset-group {
  @extend fieldset-group;
}

.fieldset-section {
  @extend fieldset-section;
}

.input-submit {
  @extend input-submit;
}