.install-app-btn {
  position: fixed;
  right: 16px;
  bottom: 76px;
  z-index: 9999;
  padding: 12px 16px;
  border: 0;
  border-radius: 999px;
  background: #111827;
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  box-shadow: 0 8px 24px rgba(0,0,0,.18);
  cursor: pointer;
}

.ios-install-guide {
  position: fixed;
  right: 16px;
  left: 16px;
  bottom: 76px;
  z-index: 9999;
  padding: 14px 16px;
  border-radius: 16px;
  background: #111827;
  color: #fff;
  font-size: 14px;
  line-height: 1.8;
  box-shadow: 0 8px 24px rgba(0,0,0,.18);
  direction: rtl;
  text-align: right;
}

@media (min-width: 768px) {
  .install-app-btn,
  .ios-install-guide {
    display: none !important;
  }
}