.pwa-install-btn {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 9999;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  border: 0;
  border-radius: 999px;
  padding: 13px 18px;
  background: #1d1713;
  color: #fff;
  font: inherit;
  font-weight: 800;
  box-shadow: 0 10px 30px rgba(0,0,0,.24);
  cursor: pointer;
}
.pwa-install-btn:hover { transform: translateY(-1px); }
.pwa-install-btn[hidden] { display: none !important; }

.pwa-install-modal {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(15, 12, 10, .62);
  backdrop-filter: blur(5px);
}
.pwa-install-modal[hidden] { display: none !important; }

.pwa-install-card {
  position: relative;
  width: min(92vw, 390px);
  border-radius: 24px;
  padding: 28px;
  background: #fff;
  color: #1d1713;
  box-shadow: 0 24px 70px rgba(0,0,0,.32);
}
.pwa-install-card h2 { margin: 6px 0 10px; }
.pwa-install-card p { margin: 0 0 14px; }
.pwa-install-card ol { margin: 0; padding-left: 22px; }
.pwa-install-card li { margin: 10px 0; }
.pwa-install-logo { font-size: 42px; }
.pwa-install-close {
  position: absolute;
  top: 10px;
  right: 12px;
  border: 0;
  background: transparent;
  font-size: 28px;
  cursor: pointer;
}
@media (max-width: 640px) {
  .pwa-install-btn {
    right: 12px;
    bottom: 12px;
    padding: 12px 15px;
    font-size: 14px;
  }
}