/* PWA install prompt — India GST Bills branding */
#pwa-install-banner {
  position: fixed;
  z-index: 10050;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 0.75rem 1rem max(0.75rem, env(safe-area-inset-bottom));
  padding-top: calc(0.75rem + 3px);
  background: linear-gradient(135deg, #0d9488 0%, #0f766e 50%, #115e59 100%);
  color: #f0fdfa;
  box-shadow: 0 -4px 24px rgba(13, 77, 69, 0.35);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 0.9rem;
  line-height: 1.35;
  transform: translateY(100%);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.pwa-install-tricolor {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #ff9933 0%, #ff9933 30%, #ffffff 30%, #ffffff 70%, #138808 70%, #138808 100%);
  border-radius: 0;
}

#pwa-install-banner.pwa-install-visible {
  transform: translateY(0);
}

#pwa-install-banner[hidden] {
  display: none;
}

.pwa-install-inner {
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.pwa-install-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.pwa-install-text {
  flex: 1 1 160px;
  min-width: 0;
}

.pwa-install-text strong {
  display: block;
  font-size: 1rem;
  letter-spacing: 0.02em;
  margin-bottom: 0.2rem;
}

.pwa-install-text span,
.pwa-install-ios {
  display: block;
  opacity: 0.95;
  font-size: 0.82rem;
  font-weight: 400;
}

.pwa-install-ios[hidden] {
  display: none;
}

.pwa-install-btn {
  flex-shrink: 0;
  background: #fff;
  color: #0f766e;
  border: none;
  font-weight: 600;
  padding: 0.55rem 1.1rem;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.9rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

.pwa-install-btn:hover {
  background: #ecfdf5;
}

.pwa-install-btn:active {
  transform: scale(0.98);
}

.pwa-install-dismiss {
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  border: none;
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  font-size: 1.4rem;
  line-height: 1;
  border-radius: 6px;
  cursor: pointer;
  padding: 0;
  margin-left: auto;
}

.pwa-install-dismiss:hover {
  background: rgba(255, 255, 255, 0.25);
}

@media (min-width: 768px) {
  #pwa-install-banner {
    left: auto;
    right: 1.5rem;
    bottom: 1.5rem;
    max-width: 400px;
    border-radius: 12px;
    padding: 1rem 1.1rem;
    padding-top: calc(1rem + 3px);
    box-shadow: 0 8px 32px rgba(13, 77, 69, 0.4);
    overflow: hidden;
  }

  .pwa-install-tricolor {
    border-radius: 12px 12px 0 0;
  }

  .pwa-install-inner {
    max-width: none;
  }

  .pwa-install-dismiss {
    margin-left: 0;
  }
}