_forms.scss

/*
Copyright 2021 DigitalOcean

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

input,
.input,
textarea,
.textarea {
  border-radius: 0;
  box-shadow: none;
  color: inherit;
  font: inherit;
  font-size: $font-size;
  margin: 0;
}

@mixin disabled-focus {
  &:focus {
    background: $background;
    border-color: $primary;
    box-shadow: 0 0 2px rgba($success, .5);
    color: $text;
    outline: 0;
  }

  &:disabled {
    background-color: $panel;
    border-color: $border;
    color: $text;
    cursor: not-allowed;
    opacity: $disabled;
    user-select: none;
  }
}

input,
.input {
  &:not([type]),
  &[type="text"],
  &[type="password"],
  &[type="email"],
  &[type="url"],
  &[type="search"],
  &[type="tel"],
  &[type="number"],
  &[type="datetime"],
  &[type="range"] {
    appearance: none;
  }

  &:not([type]),
  &[type="text"],
  &[type="password"],
  &[type="datetime"],
  &[type="datetime-local"],
  &[type="date"],
  &[type="month"],
  &[type="time"],
  &[type="week"],
  &[type="number"],
  &[type="email"],
  &[type="url"],
  &[type="search"],
  &[type="tel"],
  &[type="color"] {
    @include disabled-focus;

    background: $background;
    border: $thin-border;
    border-radius: $border-radius;
    color: $text;
    height: $height;
    max-width: 100%;
    padding: 0 $margin;
    position: relative;
    transition: all $transition;
    width: 100%;
  }

  &::-moz-focus-inner {
    bottom: 0;
    padding: 0;
  }

  &[type="number"] {
    &::-webkit-inner-spin-button,
    &::-webkit-outer-spin-button {
      height: auto;
    }
  }

  &[type="search"] {
    &::-webkit-search-cancel-button,
    &::-webkit-search-decoration {
      appearance: none;
    }
  }

  &[type="checkbox"] {
    opacity: 0;
    padding: 0;
    position: absolute;
    z-index: -1;

    + label {
      cursor: pointer;
      display: inline-block;
      margin-bottom: $margin * .5;
      padding-left: 30px;
      position: relative;
      user-select: none;

      &::before {
        border: $thin-border;
        border-radius: $border-radius;
        content: "";
        height: 22px;
        left: 0;
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
        width: 22px;
      }
    }

    &:checked {
      + label {
        color: $primary;

        &::before {
          border-color: $primary;
        }

        &::after {
          background: url("data:image/svg+xml;charset=utf-8,%3Csvg viewBox=\"0 0 32 32\" xmlns=\"http://www.w3.org/2000/svg\" fill=\"%230069ff\" width=\"12\" height=\"12\"%3E%3Cpath d=\"M30.72 5.824a1.816 1.816 0 0 0-2.56 0l-16.64 16.64-7.744-7.744c-.64-.64-1.856-.64-2.496 0a1.816 1.816 0 0 0 0 2.56l8.96 8.96c.32.32.768.512 1.216.512.256 0 .832 0 1.344-.512L30.72 8.32a1.739 1.739 0 0 0 0-2.496z\"/%3E%3C/svg%3E");
          background-repeat: no-repeat;
          background-size: contain;
          content: "";
          display: inline-block;
          fill: $primary;
          height: 12px;
          left: 5px;
          position: absolute;
          top: 50%;
          transform: translateY(-50%);
          width: 12px;
          z-index: 2;
        }
      }
    }
  }

  &[type="text"] + button.button {
    margin-top: $margin;
  }
}

textarea,
.textarea {
  @include disabled-focus;

  background: $background;
  border: $thin-border;
  border-radius: $border-radius;
  color: $text;
  height: auto;
  max-width: 100%;
  overflow: auto;
  padding: $margin;
  position: relative;
  resize: vertical;
  transition: all $transition;
  vertical-align: top;
  width: 100%;
}

::-moz-placeholder { // stylelint-disable-line no-duplicate-selectors, selector-no-vendor-prefix
  opacity: 1;
}

:invalid {
  box-shadow: none;
}

:-ms-input-placeholder { // stylelint-disable-line selector-no-vendor-prefix
  color: $light-grey !important;

  &:disabled {
    color: $text !important;
  }
}

::-moz-placeholder { // stylelint-disable-line no-duplicate-selectors, selector-no-vendor-prefix
  color: $light-grey;

  &:disabled {
    color: $text;
  }
}

::-webkit-input-placeholder { // stylelint-disable-line selector-no-vendor-prefix
  color: $light-grey;

  &:disabled {
    color: $text;
  }
}

.input-container {
  align-items: center;
  border-radius: $border-radius;
  box-shadow: none;
  display: flex;
  flex-direction: column;
  justify-content: center;
  margin: 0 0 $margin;
  position: relative;
  text-align: left;
  width: 100%;

  @media (min-width: $breakpoint) {
    align-items: flex-start;
    flex-flow: row wrap;
  }

  i {
    color: $light-grey;
    font-size: 18px;
    left: $margin;
    position: absolute;
    top: 16px;
    z-index: 1;

    + input,
    + .input {
      padding-left: $margin * 2 + 18;
    }
  }

  input,
  .input {
    background: $input;
    border: $border-size solid $input-border;
    border-radius: $border-radius;
    display: inline-block;
    flex-grow: 1;
    font-size: 16px;
    height: 50px;
    line-height: normal;
    margin-bottom: $margin * .5;
    max-width: 100%;
    padding: 0 $margin;
    width: 100%;

    @media (min-width: $breakpoint) {
      width: 350px;
    }

    &.is-disabled,
    &:disabled,
    &[readonly] {
      background: $input-disabled;
      border-color: $input-border-disabled;
      cursor: not-allowed;
      opacity: 1;
      user-select: none;

      + button.button,
      + input[type="submit"] {
        opacity: .3;
        pointer-events: none;
      }
    }

    &.is-light {
      border: 0;
      box-shadow: 0 4px 4px rgba($dark-blue, .05);
    }

    + button.button,
    + input[type="submit"] {
      box-shadow: 0 2px 8px rgba($dark-blue, .1);
      flex-grow: 0;
      height: 45px;
      margin: 0;
      padding: 0 ($margin * 2);
      width: 100%;

      @media (min-width: $breakpoint) {
        margin: 2.5px 0 0 $margin;
        width: auto;
      }

      &.is-inline {
        @include font-regular;

        background: none;
        border: 0;
        box-shadow: none;
        color: $primary;
        font-size: 16px;
        height: 50px;
        margin: 0;
        outline: none;
        padding: 0;
        position: absolute;
        right: 18px;
        top: 0;
        width: auto;
        z-index: 1;
      }
    }
  }
}