/* ALTCHA (#365) : habillage du widget aux couleurs du site, cible tactile de 44 px, aucune dépendance. */
.altcha-zone { margin: 4px 0 0; }
altcha-widget {
  --altcha-color-text: var(--c-text-body, #1f2937);
  --altcha-color-border: var(--c-border-field, #6b7280);
  --altcha-color-border-focus: var(--ui-focus, #0052A3);
  --altcha-color-active: var(--ui-focus, #0052A3);
  --altcha-color-base: #fff;
  --altcha-color-error-text: #991B1B;
  --altcha-border-radius: var(--r-sm, 8px);
  --altcha-max-width: 100%;
  display: block;
  max-width: 340px;
  font-size: 16px;
}
altcha-widget .altcha-main { min-height: 44px; padding: 10px 14px; gap: 12px; }
altcha-widget .altcha-label { font-size: 16px; line-height: 24px; }
altcha-widget .altcha-checkbox,
altcha-widget .altcha-checkbox input { width: 24px; height: 24px; }
altcha-widget .altcha-error { font-size: 14px; }
altcha-widget .altcha:focus-within { outline: 2px solid var(--ui-focus, #0052A3); outline-offset: 2px; }
.altcha-noscript { margin: 6px 0 0; font-size: 14px; color: #991B1B; }
@media (prefers-reduced-motion: reduce) { altcha-widget .altcha-spinner { animation-duration: 3s; } }