.pwa-install-shell {
  position: fixed;
  left: 16px;
  bottom: 16px;
  z-index: 190;
  font-family: Geist, system-ui, -apple-system, sans-serif;
}

.pwa-install-shell[hidden],
.pwa-install-help[hidden] {
  display: none !important;
}

.pwa-install-button {
  min-width: 44px;
  min-height: 44px;
  border: 1px solid rgba(212, 168, 87, 0.45);
  border-radius: 999px;
  padding: 0 16px;
  background: rgba(13, 17, 23, 0.94);
  color: #d4a857;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.36);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  font: inherit;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

.pwa-install-button:hover,
.pwa-install-button:focus-visible {
  border-color: #d4a857;
  outline: 2px solid rgba(212, 168, 87, 0.32);
  outline-offset: 2px;
}

.pwa-install-help {
  position: absolute;
  left: 0;
  bottom: 54px;
  width: min(310px, calc(100vw - 24px));
  display: flex;
  align-items: flex-start;
  gap: 12px;
  border: 1px solid #30363d;
  border-radius: 10px;
  padding: 14px;
  background: #161b22;
  color: #c9d1d9;
  box-shadow: 0 16px 42px rgba(0, 0, 0, 0.48);
  font-size: 13px;
  line-height: 1.45;
}

.pwa-install-help span {
  flex: 1;
}

.pwa-install-close {
  width: 44px;
  height: 44px;
  flex: 0 0 44px;
  margin: -10px -10px -10px 0;
  border: 0;
  background: transparent;
  color: #8b949e;
  font-size: 22px;
  cursor: pointer;
}

@media (max-width: 768px) {
  .pwa-install-shell {
    left: 12px;
    bottom: calc(72px + env(safe-area-inset-bottom));
  }
}

@media (display-mode: standalone) {
  .pwa-install-shell {
    display: none !important;
  }
}