.pwa-install-shell,
.pwa-update-notice {
  position: fixed;
  inset-inline: 12px;
  bottom: calc(78px + env(safe-area-inset-bottom, 0px));
  z-index: 1200;
  display: none;
  direction: rtl;
  pointer-events: none;
}

.pwa-install-shell.is-visible,
.pwa-update-notice.is-visible {
  display: block;
}

.pwa-install-card,
.pwa-update-card {
  position: relative;
  max-width: 520px;
  margin: 0 auto;
  pointer-events: auto;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 24px;
  background:
    radial-gradient(circle at 94% 0%, rgba(124,58,237,.26), transparent 34%),
    linear-gradient(145deg, rgba(13,18,32,.98), rgba(8,11,20,.98));
  box-shadow: 0 22px 60px rgba(0,0,0,.42);
  color: #fff;
  padding: 14px;
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  backdrop-filter: blur(16px);
}

.pwa-install-close {
  position: absolute;
  inset-block-start: 10px;
  inset-inline-end: 10px;
  width: 30px;
  height: 30px;
  border: 0;
  border-radius: 12px;
  background: rgba(255,255,255,.06);
  display: grid;
  place-items: center;
  padding: 0;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.pwa-install-close img {
  width: 15px;
  height: 15px;
  object-fit: contain;
}

.pwa-install-icon,
.pwa-update-icon {
  width: 46px;
  height: 46px;
  border-radius: 17px;
  display: grid;
  place-items: center;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.09);
  overflow: hidden;
}

.pwa-install-icon img,
.pwa-update-icon img {
  width: 30px;
  height: 30px;
  display: block;
  object-fit: contain;
}

.pwa-install-copy,
.pwa-update-copy {
  min-width: 0;
  padding-inline-end: 30px;
}

.pwa-install-title,
.pwa-update-title {
  margin: 0 0 4px;
  font-size: .98rem;
  font-weight: 850;
  line-height: 1.35;
}

.pwa-install-text,
.pwa-update-text {
  margin: 0;
  color: rgba(226,232,240,.80);
  font-size: .79rem;
  line-height: 1.7;
}

.pwa-install-steps {
  grid-column: 1 / -1;
  display: grid;
  gap: 7px;
  margin: 4px 0 2px;
  padding: 8px;
  border-radius: 18px;
  background: rgba(255,255,255,.045);
  border: 1px solid rgba(255,255,255,.07);
}

.pwa-install-step {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(241,245,249,.88);
  font-size: .81rem;
  line-height: 1.55;
}

.pwa-install-step img {
  width: 23px;
  height: 23px;
  object-fit: contain;
  flex: 0 0 auto;
}

.pwa-install-actions,
.pwa-update-actions {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 2px;
}

.pwa-install-btn,
.pwa-update-btn {
  min-height: 43px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.10);
  cursor: pointer;
  font: inherit;
  font-weight: 850;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: transform .18s ease, border-color .18s ease, background .18s ease, opacity .18s ease;
  -webkit-tap-highlight-color: transparent;
}

.pwa-install-btn:active,
.pwa-update-btn:active {
  transform: scale(.98);
}

.pwa-install-btn.primary,
.pwa-update-btn.primary {
  color: #fff;
  background: linear-gradient(135deg, var(--brand, #7c3aed), var(--brand2, #06b6d4));
  border-color: rgba(255,255,255,.16);
}

.pwa-install-btn.soft,
.pwa-update-btn.soft {
  color: rgba(226,232,240,.92);
  background: rgba(255,255,255,.06);
}

.pwa-install-btn:hover,
.pwa-update-btn:hover {
  border-color: rgba(255,255,255,.22);
}

.pwa-install-btn img,
.pwa-update-btn img {
  width: 21px;
  height: 21px;
  object-fit: contain;
}

@media (max-width: 420px) {
  .pwa-install-shell,
  .pwa-update-notice {
    inset-inline: 10px;
    bottom: calc(74px + env(safe-area-inset-bottom, 0px));
  }

  .pwa-install-card,
  .pwa-update-card {
    border-radius: 22px;
    padding: 12px;
    grid-template-columns: 44px minmax(0, 1fr);
  }

  .pwa-install-icon,
  .pwa-update-icon {
    width: 44px;
    height: 44px;
  }

  .pwa-install-actions,
  .pwa-update-actions {
    grid-template-columns: 1fr;
  }
}

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