.thinking-wave{display:flex;align-items:flex-end;gap:6px;height:32px}.thinking-wave span{width:4px;height:8px;background:linear-gradient(180deg,rgba(255,255,255,.9),rgba(255,255,255,.6));border-radius:3px;animation:wave 1.2s ease-in-out infinite;box-shadow:0 2px 8px rgba(255,255,255,.2)}.thinking-wave span:first-child{animation-delay:0s}.thinking-wave span:nth-child(2){animation-delay:.15s}.thinking-wave span:nth-child(3){animation-delay:.3s}.thinking-wave span:nth-child(4){animation-delay:.45s}.thinking-wave span:nth-child(5){animation-delay:.6s}@keyframes wave{0%,to{height:8px;opacity:.5;transform:scaleY(1)}50%{height:28px;opacity:1;transform:scaleY(1.05)}}