.alf-pwa-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: calc(4.75rem + env(safe-area-inset-bottom, 0px));
  z-index: 60;
  margin: 0 0.75rem;
  padding: 0.85rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(15, 23, 42, 0.96);
  color: #e2e8f0;
  border: 1px solid rgba(99, 102, 241, 0.35);
  border-radius: 1rem;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
  transform: translateY(120%);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.35s ease, opacity 0.35s ease;
}

@media (min-width: 768px) {
  .alf-pwa-banner {
    bottom: 1.25rem;
    max-width: 26rem;
    left: auto;
    right: 1.25rem;
    margin: 0;
  }
}

.alf-pwa-banner.is-visible {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.alf-pwa-banner-icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.65rem;
  object-fit: contain;
  background: #fff;
  padding: 0.2rem;
  flex-shrink: 0;
}

.alf-pwa-banner-text {
  flex: 1;
  min-width: 0;
  font-size: 0.78rem;
  line-height: 1.35;
}

.alf-pwa-banner-text strong {
  display: block;
  color: #fff;
  font-size: 0.85rem;
  margin-bottom: 0.15rem;
}

.alf-pwa-banner-actions {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  flex-shrink: 0;
}

.alf-pwa-banner-primary {
  background: linear-gradient(135deg, #4f46e5, #2563eb);
  color: #fff;
  border: none;
  border-radius: 9999px;
  padding: 0.45rem 0.85rem;
  font-size: 0.72rem;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
}

.alf-pwa-banner-dismiss {
  background: transparent;
  color: #94a3b8;
  border: none;
  font-size: 0.68rem;
  cursor: pointer;
  text-align: center;
}

.alf-pwa-banner--update {
  border-color: rgba(16, 185, 129, 0.45);
}

.alf-pwa-banner--update .alf-pwa-banner-primary {
  background: linear-gradient(135deg, #059669, #10b981);
}