wagtail/client/scss/components/_footer.scss

@use 'sass:math';

.footer {
  @include transition(bottom 0.5s ease 1s);
  @include row();
  margin-top: $mobile-nice-padding;
  margin-inline-start: $mobile-nice-padding;
  margin-inline-end: $mobile-nice-padding;
  z-index: 20;

  @include media-breakpoint-up(sm) {
    margin-top: 0;
    margin-inline-start: calc(#{$desktop-nice-padding} - 0.75em);
    margin-inline-end: $desktop-nice-padding;
    width: auto;
    position: fixed;
    bottom: 0;
  }

  &__emphasise-span-tags span {
    color: theme('colors.warning.100');
  }

  // Don't apply horizontal margins if nice-padding is applied in the parent
  .nice-padding & {
    margin-inline: 0;
  }
}

.footer__container {
  border-radius: theme('borderRadius.sm') theme('borderRadius.sm') 0 0;
  background: theme('colors.surface-menus');
  color: theme('colors.text-button');
  transition: transform 1s;
  padding: theme('spacing.1');

  @include media-breakpoint-down(xs) {
    width: 100%;

    &:not(:first-child) {
      border-radius: 0;
    }
  }

  @include media-breakpoint-up(sm) {
    padding: theme('spacing.[2.5]');
    margin-inline-end: 0;

    &:not(:first-child) {
      margin-inline-start: calc(-1 * theme('borderRadius.sm'));
    }
  }

  &.footer__container--hidden {
    transform: translateY(100%);

    @include media-breakpoint-down(xs) {
      display: none;
    }
  }
}

.footer__save-warning {
  font-size: theme('fontSize.14');
  height: 100%;
  display: flex;
  flex-direction: row;
  justify-content: center;

  p {
    margin: 0;
  }

  @include media-breakpoint-up(sm) {
    margin-inline-end: theme('spacing[1.5]');
    align-items: center;
  }
}

// Footer control bar for performing actions on the page
.footer .actions {
  width: 100%;

  @include media-breakpoint-up(sm) {
    width: theme('spacing.64');
  }

  &--primary {
    // Support basic layout support for items added via `extra_footer_actions`

    align-items: stretch;
    display: grid;
    gap: theme('spacing.2');
    grid-auto-flow: column;

    .button {
      // There are default .button styles that would:
      // - set height responsively
      // - add a margin when there is a .button sibling
      // Unset these styles in favor of a fixed height and the grid gap
      height: $text-input-height;
      margin-inline-start: initial;
    }

    @include media-breakpoint-up(sm) {
      min-width: theme('spacing.80');
      width: max-content;

      > *:first-child {
        // Ensure the first child (the dropdown action usually) is always wide
        min-width: theme('spacing.56');
      }
    }
  }
}

.actions .button {
  @apply w-leading-none w-inline-flex w-items-center;
  font-weight: 600;
  padding: 0 theme('spacing.3');
  white-space: initial;

  .icon {
    width: theme('spacing.4');
    height: theme('spacing.4');
    margin-inline-end: theme('spacing.2');
    flex-shrink: 0;
  }
}

.actions .w-dropdown-button {
  width: 100%;

  .w-dropdown .button {
    font-size: theme('fontSize.14');
    font-weight: 500;
  }

  > .button {
    font-size: theme('fontSize.16');
    flex-grow: 1;
  }
}