@use 'sass:string';

// Set SVG icons to use the current text color in the location they appear as
// their default fill color. Can be overridden for a specific icon by either
// the color or fill properties.
.icon {
  fill: currentColor;
}

.icon.teal {
  color: theme('colors.text-button-outline-default');
}

.icon.white {
  color: theme('colors.surface-page');
}

// =============================================================================
// Icon factory methods
// =============================================================================

// Legacy icons still implemented via CSS due to the markup being hard to change.
$icons-after: ('arrow-down', 'arrow-up');

@each $icon in $icons-after {
  .icon-#{$icon}-after::after {
    content: '';
    mask-image: url('#{$images-root}icons/#{$icon}.svg');
    width: 1em;
    height: 1em;
    display: inline-block;
    background-color: currentColor;
  }
}

// =============================================================================
// Custom config for various icons
// =============================================================================

// Add spinner styles onto the use element,
// so an icon can be turned into a spinner by changing the href only.
// This allows us to switch any icon to a spinner with much less boilerplate.
use[href='#icon-spinner'] {
  animation: spin-wag 0.5s infinite linear;
  transform-origin: center;
}

.text-replace {
  font-size: 0;
  line-height: 0;
  overflow: hidden;

  .icon {
    @include svg-icon(1rem, middle);
  }
}

@keyframes spin-wag {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(360deg);
  }
}

// stylelint-disable-next-line no-duplicate-selectors
.icon {
  &.initial {
    @include svg-icon(1em, $position: initial);
  }

  &.default {
    @include svg-icon(1.5em);
  }

  &.middle {
    @include svg-icon(1.5em, $position: middle);
  }

  &--flipped {
    transform: scaleX(-1);
  }
}

.icon.locale-error {
  vertical-align: text-top;
  margin-inline-end: 0.5em;
  width: 1.5em;
  height: 1.5em;
  color: theme('colors.critical.200');
}

.icon-wagtail {
  width: 100%;
  height: auto;
}

.icon-wagtail__wordmark {
  fill: theme('colors.text-context');
}

// Icons mirroring for RTL languages to match the rest of the Wagtail UI.
// Automatically mirror child elements of SVG icons marked with
// icon--directional. This will be applied to the children of the <symbol>
// elements in the icons sprite, ensuring all usages of the icons will be in the
// correct direction.
.icon--directional * {
  transform: scaleX(var(--w-direction-factor));
  transform-origin: center;
}