body{margin:0}.chip{padding:.4rem .9rem;font-size:.9rem;border:1px solid #e0e0e0;border-radius:20px;background:#fff;color:#666;cursor:pointer;transition:all .3s ease}.chip:hover{border-color:#667eea;color:#667eea}.chip.active{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border-color:transparent}