.op-pwa-install {
  position: fixed;
  z-index: 12000;
  right: 16px;
  bottom: calc(16px + env(safe-area-inset-bottom));
  left: 16px;
  display: none;
  max-width: 560px;
  margin: 0 auto;
  color: #102445;
  background: #fff;
  border: 1px solid #d9e4f3;
  border-radius: 18px;
  box-shadow: 0 22px 65px rgba(7, 31, 72, .32);
  overflow: hidden;
  font-family: inherit;
}

.op-pwa-install.open {
  display: block;
  animation: op-pwa-rise .28s ease-out;
}

.op-pwa-install__body {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 14px;
}

.op-pwa-install__icon {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  color: #fff;
  background: linear-gradient(135deg, #0b2d63, #1e63dc);
  border-radius: 14px;
  font-size: 23px;
  font-weight: 900;
}

.op-pwa-install__copy {
  min-width: 0;
}

.op-pwa-install__copy strong,
.op-pwa-install__copy span {
  display: block;
}

.op-pwa-install__copy strong {
  font-size: 15px;
}

.op-pwa-install__copy span {
  margin-top: 3px;
  color: #647894;
  font-size: 12px;
  line-height: 1.35;
}

.op-pwa-install__actions {
  display: flex;
  gap: 7px;
}

.op-pwa-install button {
  min-height: 40px;
  border: 0;
  border-radius: 11px;
  padding: 0 13px;
  font: inherit;
  font-size: 12px;
  font-weight: 850;
  cursor: pointer;
}

.op-pwa-install [data-pwa-install] {
  color: #fff;
  background: #155bd7;
}

.op-pwa-install [data-pwa-later] {
  color: #315071;
  background: #edf3fb;
}

.op-pwa-install__help {
  display: none;
  padding: 0 14px 14px 74px;
  color: #315071;
  font-size: 12px;
  line-height: 1.45;
}

.op-pwa-install.help .op-pwa-install__help {
  display: block;
}

@keyframes op-pwa-rise {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 560px) {
  .op-pwa-install {
    right: 8px;
    bottom: calc(8px + env(safe-area-inset-bottom));
    left: 8px;
    width: auto;
    border-radius: 16px;
  }

  .op-pwa-install__body {
    grid-template-columns: 42px minmax(0, 1fr);
    padding: 12px;
  }

  .op-pwa-install__icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
  }

  .op-pwa-install__actions {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .op-pwa-install__help {
    padding: 0 12px 12px;
  }
}

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

@media (prefers-reduced-motion: reduce) {
  .op-pwa-install.open { animation: none; }
}