@layer app {
  /* ============================================================
     Area picker: the step after naming a new profile. Chips for
     every area, a street search that narrows them, and a row of
     chosen ones under the search.
     ============================================================ */

  .area-picker__search {
    position: relative;
  }

  .area-picker__search-icon {
    inset-block: 0;
    inset-inline-start: var(--space-3);
    margin-block: auto;
    pointer-events: none;
    position: absolute;
  }

  .area-picker__query {
    padding-inline-start: calc(var(--space-3) * 2.5);
  }

  .area-picker__selection,
  .area-picker__options {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
  }

  .area-picker__selection:not(:empty) {
    margin-block-start: var(--space-3);
  }

  .area-picker__options {
    margin-block-start: var(--space-3);
  }

  .area-picker__option {
    align-items: center;
    background: color-mix(in srgb, var(--color-primary) 6%, transparent);
    border: 1px solid color-mix(in srgb, var(--color-primary) 16%, transparent);
    border-radius: var(--radius-pill);
    color: color-mix(in srgb, var(--color-dark) 80%, transparent);
    cursor: pointer;
    display: inline-flex;
    font-weight: 600;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    position: relative;
    transition: opacity 150ms ease, transform 150ms ease;
    user-select: none;

    /* The whole chip is the checkbox's hit area. */
    input {
      cursor: inherit;
      inset: 0;
      margin: 0;
      opacity: 0;
      position: absolute;
    }

    &[hidden] {
      display: none;
    }

    /* Fades out of one row, and back in once moved to the other. */
    &.area-picker__option--moving {
      opacity: 0;
      transform: scale(0.85);
    }

    &:hover {
      border-color: color-mix(in srgb, var(--color-primary) 45%, transparent);
      color: var(--color-primary);
    }

    &:has(:checked) {
      background: var(--color-primary);
      border-color: var(--color-primary);
      color: #fff;
    }

    &:has(:focus-visible) {
      outline: 2px solid var(--primary-ring-strong);
      outline-offset: 2px;
    }
  }

  @media (prefers-reduced-motion: reduce) {
    .area-picker__option {
      transition: none;
    }
  }

  /* Only a chosen chip shows its ×; tapping it unchecks the chip. */
  .area-picker__remove {
    display: none;
    font-size: 0.75em;

    .area-picker__option:has(:checked) & {
      display: inline-block;
    }
  }

  .area-picker__empty {
    color: var(--color-muted);
    margin-block-start: var(--space-3);
    text-align: center;
  }

  /* Join stays in reach below a long list of chips, as in a filter sheet. */
  .area-picker__footer {
    bottom: var(--space-3);
    margin-block-start: var(--space-4);
    position: sticky;
  }
}