/* NOVA: the original robot silhouette, with no surrounding bubble or pulse. */
#nova .nv-fab {
    width: 76px; height: 76px; padding: 0; border: 0; border-radius: 12px;
    background: transparent; box-shadow: none; animation: none;
    transition: transform .2s ease;
}
#nova .nv-fab::before, #nova .nv-fab::after, #nova .nv-dot { display: none }
#nova .nv-fab img {
    width: 100%; height: 100%; padding: 0; display: block; object-fit: contain;
    border-radius: 0; background: transparent; animation: none;
}
#nova .nv-fab:hover { background: transparent; box-shadow: none; filter: none; transform: translateY(-3px) }
#nova .nv-fab:focus-visible { outline: 2px solid #087f78; outline-offset: 3px }
#nova .nv-ava { background: transparent; border-radius: 0; padding: 0 }
@media (max-width: 640px) { #nova .nv-fab { width: 64px; height: 64px } }
@media (prefers-reduced-motion: reduce) { #nova .nv-fab { transition: none } #nova .nv-fab:hover { transform: none } }