OTM/public/scss/components/_forms.scss

/**
 *  FORMS
 *
 *  Markup:
 *  ---------
 *  <div class="input input-fullWidth">
 *    <input id="#" placeholder="#" type="text">
 *  </div>
 *
 *  <div class="select select-fullWidth">
 *    <select name="#" id="#">
 *      <option>Option 1</option>
 *      <option>Option 2</option>
 *    </select>
 *  </div>
 *
 *  <div class="textarea">
 *    <textarea id="#"></textarea>
 *  </div>
 *
 *  <div class="radio">
 *    <input id="#" name="#" type="radio" value="">
 *    <label for="#">Radio button</label>
 *  </div>
 *
 *  <div class="checkbox">
 *    <input id="#" name="#" type="checkbox" value="">
 *    <label for="#">Checkbox</label>
 *  </div>
 */


// prevent input default appearence on webkit
input,
textarea {
  appearance: none;
}

label {
  display: block;
  font-weight: normal;
}

// Disable webkit background color
input:-webkit-autofill {
  box-shadow: 0 0 0 1000px $bgc-form inset;
}

// Common styles
.textarea,
.input,
.select {
  border: $bd-form;
  border-radius: $bdr-form;
  box-shadow: none;
  display: inline-block;
  font-weight: normal;
  margin-bottom: 20px;
  overflow: hidden;

  :focus {
    outline: none;
  }

  &.has-error {
    background: $bgc-form-error;
    border: $bd-form-error;
    margin-bottom: 0; // we should display an error message
  }
}

.select {
  background-color: $bgc-form;
  display: inline-block;
  margin-right: $m-medium;
  position: relative;

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

  &-fullWidth {
    display: block;
    margin-left: 0;
    margin-right: 0;
    width: 100%;
  }

  select {
    appearance: none;
    background-color: transparent;
    border: 0;
    border-radius: 0;
    color: $c-form;
    display: block;
    font-size: $fz-form;
    line-height: $lh-medium;
    margin: 0;
    padding: $p-form;
    padding-right: 30px;
    transition: $trs-form;
    width: 100%;

    &:active,
    &:focus {
      background-color: $bgc-form-focus;
      border: 0;
      outline: none;
    }

    &::-ms-expand {
      display: none;
    }
  }

  &::after,
  &::before {
    background: $c-primary;
    content: '';
    display: block;
    height: 2px;
    margin-top: 2px;
    position: absolute;
    right: 5px;
    top: 50%;
    transform-origin: 1px;
    width: 10px;
  }

  &::after {
    transform: rotate(-135deg);
  }

  &::before {
    transform: rotate(-45deg);
  }
}

// textarea
.textarea {
  background-color: $bgc-form;
  padding: 0;

  &-fullWidth {
    display: block;
    margin-left: 0;
    margin-right: 0;
    width: 100%;
  }

  textarea {
    background: transparent;
    border: 0;
    color: $c-form;
    display: block;
    font-family: $ff-body;
    font-size: $fz-form;
    line-height: $lh-medium;
    margin: 0;
    min-height: $mih-form-textarea;
    padding: $p-form;
    transition: $trs-form;
    width: 100%;

    &::placeholder {
      color: $c-form-placeholder;
    }

    &:focus,
    &:active {
      background-color: $bgc-form-focus;
      border: 0;
      outline: none;
    }
  }
}


.checkbox {
  margin-bottom: $m-small;
  position: relative;

  input[type='checkbox'] {
    display: none;

    &:checked + label::after {
      animation: checkboxAndRadioAnimation .25s;
      content: '';
      transform: scale(1) rotate(45deg);
    }

    & + label {
      display: block;
      overflow: hidden;
      padding-left: 30px;
      text-overflow: ellipsis;
      white-space: nowrap;

      &::before {
        background-color: $bgc-form;
        border: $bd-form;
        border-radius: $bdr-medium;
        content: '';
        display: inline-block;
        height: 20px;
        left: 0;
        margin-top: -10px;
        position: absolute;
        top: 50%;
        width: 20px;
      }

      &::after {
        border-bottom: 3px solid $c-primary;
        border-right: 3px solid $c-primary;
        display: block;
        height: 12px;
        left: 11px;
        margin-left: -4px;
        margin-top: -7px;
        position: absolute;
        top: 50%;
        width: 7px;
        z-index: 1;
      }
    }
  }
}

.radio {
  margin-bottom: $m-small;
  position: relative;

  input[type='radio'] {
    display: none;

    &:checked + label::after {
      animation: checkboxAndRadioAnimation .25s;
      content: '';
      transform: scale(1) rotate(45deg);
    }

    & + label {
      display: block;
      overflow: hidden;
      padding-left: 30px;
      text-overflow: ellipsis;
      white-space: nowrap;

      &::before {
        background-color: $bgc-form;
        border: $bd-form;
        border-radius: 20px;
        content: '';
        display: inline-block;
        height: 20px;
        left: 0;
        margin-top: -10px;
        position: absolute;
        top: 50%;
        width: 20px;
      }

      &::after {
        background-color: $c-primary;
        border-radius: 20px;
        display: block;
        height: 10px;
        left: 11px;
        margin-left: -6px;
        margin-top: -6px;
        position: absolute;
        top: 13px;
        width: 10px;
        z-index: 1;
      }
    }
  }
}

@keyframes checkboxAndRadioAnimation {
  0% {
    transform: scale(0) rotate(45deg);
  }

  50% {
    transform: scale(1.5) rotate(45deg);
  }

  100% {
    transform: scale(1) rotate(45deg);
  }
}


.input {
  background-color: $bgc-form;
  margin-right: 10px;
  padding: 0;
  position: relative;

  :focus,
  :active {
    background-color: $bgc-form-focus;
    border-radius: $bdr-form;
  }

  input {
    background: transparent;
    border: 0;
    box-shadow: none;
    color: $c-form;
    font-size: $fz-form;
    line-height: $lh-medium;
    margin: 0;
    outline: none;
    padding: $p-form;
    width: 100%;

    &::placeholder {
      color: $c-form-placeholder;
    }
  }

  &-withIcon {
    input {
      padding-right: $size-form-input-icon * 2;
    }
  }

  &-icon {
    fill: $c-form-input-icon;
    height: $size-form-input-icon;
    margin-top: -$size-form-input-icon / 2;
    position: absolute;
    right: $m-medium;
    top: 50%;
    width: $size-form-input-icon;
  }

  // input variations
  &-fullWidth {
    display: block;
    margin-left: 0;
    margin-right: 0;
    width: 100%;
  }
}

/**
 *  FORM COLLAPSED (items in row without gap between them)
 *
 *  Markup:
 *  -------
 *
 *  <div class="formCollapsed">
 *    <div class="input formCollapsed-item formCollapsed-itemPrimary">
 *      <input id="name" placeholder="Klingon search" type="text" />
 *    </div>
 *    <div class="select formCollapsed-item">
 *      <select name="country-code" id="country-code">
 *        <option value="AO"> Angola</option>
 *      </select>
 *    </div>
 *    <button class="formCollapsed-item button button-primary">
 *      Search
 *    </button>
 *  </div>
 **/

.formCollapsed {
  display: flex;
  margin-bottom: 20px;

  &-item {
    border-radius: 0 !important;
    margin: 0 !important;


    &:first-child {
      border-bottom-left-radius: $bdr-form !important;
      border-top-left-radius: $bdr-form !important;
    }

    &:last-child {
      border-bottom-right-radius: $bdr-form !important;
      border-top-right-radius: $bdr-form !important;
    }

    &:not(:last-child) {
      border-right: 0;
    }

    &Primary {
      flex: 1;
    }
  }
}