.fab-button-messages{position:fixed;bottom:32px;right:64px;background-color:var(--bg-card-strong);color:var(--text-main);border:none;width:56px;height:56px;border-radius:50%;font-size:32px;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 8px rgba(0,0,0,.2);z-index:999;cursor:pointer;transition:background-color .2s ease}.fab-button-messages:hover{background-color:var(--accent)}@media (max-width:768px){.fab-button-messages{bottom:calc(50px + env(safe-area-inset-bottom) + 16px);right:16px}}