#pwa-install-open {
  position: fixed; top: max(12px, env(safe-area-inset-top)); right: 12px;
  z-index: 2147483646; border: 1px solid #bce8cd; border-radius: 999px;
  padding: 9px 15px; background: #fff; color: #087c39;
  font: 600 13px system-ui, sans-serif; cursor: pointer;
  box-shadow: 0 3px 15px #14282012;
}
#pwa-install-open[hidden], #pwa-install-help[hidden] { display: none; }
#pwa-install-dialog {
  box-sizing: border-box; width: min(410px, calc(100% - 32px));
  max-height: calc(100dvh - 40px); overflow: auto;
  margin: auto; padding: 30px 24px 24px; border: 1px solid #e1ebe5;
  border-radius: 26px; background: #fff; color: #142820;
  text-align: center; font: 15px/1.5 system-ui, sans-serif;
  box-shadow: 0 24px 80px #14282035;
}
#pwa-install-dialog::backdrop { background: #102e2066; backdrop-filter: blur(4px); }
#pwa-install-dialog img { border-radius: 18px; }
#pwa-install-dialog h2 { font-size: 23px; line-height: 1.25; margin: 18px 0 10px; }
#pwa-install-dialog p { color: #60746a; margin: 0 0 20px; }
#pwa-install-dialog #pwa-install-help { background: #edf8f1; color: #24543a; padding: 14px; border-radius: 14px; }
#pwa-install-dialog button { display: block; width: 100%; border: 0; border-radius: 13px; padding: 13px; font: 650 15px system-ui, sans-serif; cursor: pointer; }
#pwa-install-action { background: #16c158; color: #102e20; }
#pwa-install-action:disabled { opacity: .6; cursor: wait; }
#pwa-install-later { background: transparent; color: #60746a; margin-top: 5px; }
#pwa-install-dialog small { display: block; color: #60746a; font-size: 12px; margin-top: 8px; }
#pwa-install-dialog button:focus-visible, #pwa-install-open:focus-visible { outline: 3px solid #142820; outline-offset: 3px; }