.fab {
  position: fixed;
  bottom: 80px;
  right: 30px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-accent);
  border: none;
  cursor: pointer;
  transition: 0.2s;
}

.fab:hover {
  box-shadow: 0 0 28px var(--accent-glow);
}

/* FULLSCREEN ROUTES (chat, login, boot) */

body.fullscreen header,
body.fullscreen .bottom-nav,
body.fullscreen .fab,
body.fullscreen .top-bar {
  display: none !important;
}