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button.danger:hover{border-color:var(--danger);color:var(--danger)}.hai-history-empty{text-align:center;padding:3rem}.hai-history-empty h3{color:var(--text-primary);margin:.5rem 0}.hai-history-empty p{color:var(--text-muted);font-size:.9rem}.hai-history-pagination{display:flex;justify-content:center;align-items:center;gap:1rem;padding:1rem 0}.hai-history-page-info{color:var(--text-muted);font-size:.8rem}.hai-chart-badge{font-size:.65rem;padding:.1rem .4rem;border-radius:999px;background:rgba(0,180,219,.12);color:var(--primary-color);font-weight:500}@media (max-width:768px){.hai-header{flex-direction:column;align-items:flex-start}.hai-header-right{width:100%}.hai-tab{flex:1;text-align:center;font-size:.8rem}.hai-chat-area{min-height:300px;max-height:500px}.hai-welcome-examples{flex-direction:column;align-items:stretch}.hai-example-chip{text-align:center}.hai-msg-chart-wrap{height:200px}.hai-suggestion-chip{max-width:100%}}