.arrangement {
  container-type: inline-size;
}

:has(#arrange-mode:checked) .disable-when-arranging {
  cursor: not-allowed;
  filter: grayscale(100%) contrast(0.5);
  opacity: 0.5;
  pointer-events: none;
}

.arrangement__container {
  &:where(:has(#arrange-mode:checked)) {
    .hide-when-arranging {
      display: none;
    }

    .arrangement__item {
      cursor: move;

      * {
        pointer-events: none;
      }

      .btn:not(.arrangement__handle) {
        opacity: 0.3;
      }
    }

    &:where(:has(#toc-list:checked)) {
      .btn:is(.arrangement__handle) {
        display: flex;
      }
    }

    &:where(:has(#toc-grid:checked)) {
      .toc__thumbnail {
        border-color: var(--color-link);
      }
    }
  }
}

.arrangement--adding {
  .arrangement__item {
    * {
      pointer-events: none;
    }
  }
}

.arrangement-cursor {
  border-style: dashed;
}

.arrangement-drag-image {
  background-color: var(--color-link);
  border-radius: 1rem;
  color: var(--color-ink-reversed);
  inset: auto 100% 100% auto;
  line-height: 2rem;
  padding: 0 1rem;
  position: fixed;
  text-wrap: nowrap;
}

.btn:is(.arrangement__handle) {
  display: none;
  flex-shrink: 0;
}

.arrangement-placeholder {
  background-color: var(--color-subtle-light);
  border: 1px dashed var(--color-subtle-dark);
  border-radius: 0.2em;
}

.arrangement-selected {
  background-color: var(--color-selected);
  border-radius: 0.2em;

  .arrangement-move-mode & {
    animation: pulse 1000ms infinite;
  }
}