:root {
  --install-bg: #0ea5e9;
  --install-bg-hover: #0284c7;
  --install-shadow: rgba(2, 132, 199, 0.35);
}

.install-wrap {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 9999;
  display: flex;
  gap: 10px;
  align-items: center;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}

#pwaStatus {
  background: rgba(0,0,0,0.6);
  color: #fff;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 12px;
  max-width: 240px;
}

#btnInstall {
  appearance: none;
  border: 0;
  outline: 0;
  cursor: pointer;
  padding: 12px 16px;
  border-radius: 999px;
  background: var(--install-bg);
  color: #fff;
  font-weight: 600;
  box-shadow: 0 10px 24px var(--install-shadow);
  transition: transform .15s ease, background .2s ease, box-shadow .2s ease;
}

#btnInstall:hover {
  background: var(--install-bg-hover);
  transform: translateY(-1px);
  box-shadow: 0 14px 30px var(--install-shadow);
}

.hidden { display: none !important; }