.sort-button{font-size:1rem;padding:4px 8px;margin:4px 4px 0 0;background-color:#f0f0f0;border:1px solid #aaa;border-radius:4px;cursor:pointer;transition:background-color 0.2s ease}.sort-button:hover{background-color:#e0e0e0}.sort-button.active{background-color:#1482b5;color:white;border-color:#1482b5}.group-end{border-bottom:3px solid black}