.pwa-install-prompt {
  position: fixed;
  z-index: 10000;
  right: max(22px, env(safe-area-inset-right));
  bottom: max(22px, env(safe-area-inset-bottom));
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr) auto 34px;
  gap: 12px;
  align-items: center;
  width: min(580px, calc(100vw - 44px));
  padding: 14px;
  color: #172033;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(37, 99, 235, 0.18);
  border-radius: 18px;
  box-shadow: 0 18px 48px rgba(15, 23, 42, 0.18);
  backdrop-filter: blur(18px);
}

.pwa-install-prompt.hidden {
  display: none;
}

.pwa-install-prompt-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
}

.pwa-install-prompt-copy {
  display: grid;
  min-width: 0;
  gap: 3px;
}

.pwa-install-prompt-copy strong {
  font-size: 15px;
  line-height: 1.3;
}

.pwa-install-prompt-copy span {
  color: #6b7280;
  font-size: 13px;
  line-height: 1.45;
}

.pwa-install-button,
.pwa-install-dismiss {
  border: 0;
  cursor: pointer;
}

.pwa-install-button {
  min-height: 42px;
  padding: 0 17px;
  color: #fff;
  font-weight: 800;
  background: #2563eb;
  border-radius: 12px;
}

.pwa-install-dismiss {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  padding: 0;
  color: #6b7280;
  font-size: 22px;
  background: transparent;
  border-radius: 10px;
}

@media (max-width: 720px) {
  .pwa-install-prompt {
    left: max(14px, env(safe-area-inset-left));
    right: max(14px, env(safe-area-inset-right));
    bottom: max(14px, env(safe-area-inset-bottom));
    grid-template-columns: 46px minmax(0, 1fr) 32px;
    width: auto;
    padding: 12px;
  }

  .pwa-install-prompt-icon {
    width: 46px;
    height: 46px;
    border-radius: 13px;
  }

  .pwa-install-button {
    grid-column: 2 / 4;
    width: 100%;
  }

  .pwa-install-dismiss {
    grid-column: 3;
    grid-row: 1;
  }
}