.pwa-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(120px);
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 24px;
  background: var(--white, #fff);
  border-radius: 20px;
  box-shadow: 0 8px 32px rgba(0,0,0,.2);
  font-family: 'Nunito', sans-serif;
  font-size: .95rem;
  font-weight: 700;
  color: #333;
  opacity: 0;
  transition: transform .4s cubic-bezier(.34,1.56,.64,1), opacity .3s ease;
  pointer-events: none;
  white-space: nowrap;
}

.pwa-toast.active {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.pwa-toast .pwa-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
}

.pwa-toast .pwa-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.pwa-toast .pwa-text span:last-child {
  font-size: .78rem;
  font-weight: 600;
  color: #999;
}

.pwa-toast .pwa-btn {
  padding: 10px 20px;
  border: none;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent1, #667eea), var(--accent2, #764ba2));
  color: var(--white, #fff);
  font-family: inherit;
  font-size: .88rem;
  font-weight: 800;
  cursor: pointer;
  transition: transform .15s, box-shadow .15s;
  box-shadow: 0 4px 12px rgba(102,126,234,.35);
  flex-shrink: 0;
}

.pwa-toast .pwa-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(102,126,234,.5);
}

.pwa-toast .pwa-btn:active {
  transform: scale(.92);
}

@media (max-width: 480px) {
  .pwa-toast {
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    padding: 12px 18px;
    font-size: .85rem;
    max-width: calc(100vw - 24px);
    white-space: normal;
    text-align: center;
    bottom: 12px;
  }
  .pwa-toast .pwa-text span:last-child {
    font-size: .72rem;
  }
  .pwa-toast .pwa-btn {
    padding: 8px 16px;
    font-size: .82rem;
  }
}