/* Bouton retour flottant — utilitaire partagé (VERITAS)
   Centralise le bloc .fb-global auparavant dupliqué dans 12 modules. */
.fb-global {
  position: fixed;
  left: 16px;
  bottom: 84px;
  z-index: 9500;
  background: #ffffff;
  color: #3fb950;
  border: 1px solid #3fb950;
  border-radius: 50%;
  width: 46px;
  height: 46px;
  font-size: 1.4rem;
  cursor: pointer;
  box-shadow: 0 2px 12px rgba(0,0,0,.25);
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}
.fb-global:hover { background: #f0fdf4; }