th[data-sort]{cursor:pointer;user-select:none;transition:color .15s}
th[data-sort]:hover{color:var(--mint)}
th[data-sort]::after{content:" ↕";opacity:.35}
th[data-sort][aria-sort="ascending"]::after{content:" ↑";opacity:1;color:var(--lime)}
th[data-sort][aria-sort="descending"]::after{content:" ↓";opacity:1;color:var(--lime)}