@layer components {
  /* Language picker — a small flag trigger that opens a flag dropdown. Shared by the site
     footer and the admin bar. The menu opens downward by default; the footer flips it up.
     Options are links on the site (navigate) and buttons in the admin (PATCH the cookie), so
     the option styles reset both. */
  .locale-switcher { position: relative; display: inline-flex; }

  .locale-switcher__trigger {
    display: inline-flex;
    align-items: center;
    gap: 0.35em;
    block-size: var(--control-size);
    padding-block: 0;
    padding-inline: 0.55em;
    color: var(--color-subtle);
    background: var(--color-surface-raised);
    border: var(--border);
    border-radius: var(--radius-small);
    cursor: pointer;
    transition: color var(--transition), border-color var(--transition);
  }
  .locale-switcher__trigger:hover { color: var(--color-text); border-color: var(--color-border-strong); }
  .locale-switcher__caret { inline-size: 0.5em; block-size: 0.5em; }

  .locale-switcher__flag {
    inline-size: 0.95rem;
    block-size: auto;
    display: block;
    border-radius: 2px;
  }

  .locale-switcher__menu {
    display: none;
    position: absolute;
    inset-block-start: calc(100% + var(--inline-space-half));
    inset-inline-start: 0;
    z-index: var(--z-dropdown);
    min-inline-size: max-content;
    margin: 0;
    padding: var(--inline-space-half);
    list-style: none;
    background: var(--color-surface-raised);
    border: var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-large);
  }
  .locale-switcher[data-open] .locale-switcher__menu { display: block; }
  .locale-switcher__menu form { margin: 0; }

  .locale-switcher__option {
    display: flex;
    inline-size: 100%;
    padding: var(--inline-space-half);
    border-radius: var(--radius-small);
    appearance: none;
    background: none;
    border: 0;
    color: inherit;
    font: inherit;
    cursor: pointer;
  }
  .locale-switcher__option:hover { background: var(--color-surface); }
  .locale-switcher__option.is-current .locale-switcher__flag {
    outline: 2px solid var(--color-brand);
    outline-offset: 1px;
  }
}