/* v70.1: v67 used display:none for teacher table filtering; in a flex table
   that collapses cells and visually moves lessons into the wrong class. */
.sched-table .sched-cell.teacher-hidden67{display:block!important}
.sched-table .teacher-filter-placeholder701{opacity:.42;pointer-events:none}
.schedule-empty701{margin-top:16px}

/* v70.2.1: enabled empty cells are real add-lesson buttons. */
.sched-table .sched-cell.empty:not(:disabled){pointer-events:auto;opacity:1;touch-action:manipulation}