pico/scss/components/_loading.scss

@use "sass:map";
@use "../settings" as *;

@if map.get($modules, "components/loading") {
  /**
   * Loading ([aria-busy=true])
   */

  // Everything except form elements
  #{$parent-selector} [aria-busy="true"]:not(input, select, textarea, html) {
    white-space: nowrap;

    &::before {
      display: inline-block;
      width: 1em;
      height: 1em;
      background-image: var(#{$css-var-prefix}icon-loading);
      background-size: 1rem auto;
      background-repeat: no-repeat;
      content: "";
      vertical-align: -0.125em; // Visual alignment
    }

    &:not(:empty) {
      &::before {
        margin-inline-end: calc(var(#{$css-var-prefix}spacing) * 0.5);
      }
    }

    &:empty {
      text-align: center;
    }
  }

  // Buttons and links
  #{$parent-selector} button,
  #{$parent-selector} [type="submit"],
  #{$parent-selector} [type="button"],
  #{$parent-selector} [type="reset"],
  #{$parent-selector} [role="button"],
  #{$parent-selector} a {
    &[aria-busy="true"] {
      pointer-events: none;
    }
  }
}