// ... existing code ...
.add-button {
  position: fixed;
  right: 20px;
  bottom: 80px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--ion-color-primary), var(--ion-color-secondary));
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  
  ion-icon {
    color: white;
    font-size: 28px;
  }
}