.register-link {
  position: fixed;
  right: 18px;
  bottom: max(18px, env(safe-area-inset-bottom));
  z-index: 1000;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 120px;
  min-height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: #00d4ff;
  color: #001116;
  box-shadow: 0 18px 48px rgba(0, 212, 255, 0.25);
  font-family: Inter, system-ui, sans-serif;
  font-size: 0.95rem;
  font-weight: 800;
  text-decoration: none;
}

.register-link:hover {
  transform: translateY(-1px);
}

@media (max-width: 640px) {
  .register-link {
    right: 12px;
    bottom: max(12px, env(safe-area-inset-bottom));
    min-width: 88px;
    min-height: 38px;
    padding: 0 14px;
    font-size: 0.82rem;
    box-shadow: 0 10px 28px rgba(0, 212, 255, 0.2);
  }
}