/* Панель підсумку */
.rw-summary{ display:flex; flex-wrap:wrap; align-items:center; gap:12px; margin-bottom:12px; }
.rw-summary__nums{ font-weight:600; }
.rw-summary__percent{ color:#666; }
.rw-summary__actions{ margin-left:auto; }

/* Прогрес-бар */
.var-progress{ position:relative; height:8px; border-radius:8px; background:#eee; overflow:hidden; min-width:160px; flex:1 1 200px; }
.var-progress__bar{ position:absolute; inset:0 0 0 0; width:0; background:#2bb673; }

/* Дерево */
.report-tree{ display:block; }
.rt-node{ margin:6px 0 6px 0; border:1px solid #eee; border-radius:6px; padding:6px 8px; background:#fff; }
.rt-title{ font-weight:600; cursor:pointer; }
.rt-title::-webkit-details-marker{ display:none; }
і
details[open] > .rt-title:before{ transform:rotate(90deg); }

/* Група студентів */
.rt-group{ margin:8px 0 6px 12px; }
.rt-group__title{ font-weight:600; margin-bottom:4px; }
.rt-list{ margin:0 0 0 18px; }

/* Елементи списку */
.rating{ position:relative; margin:.25rem 0; list-style:none; padding-left:28px; }
.rating:before{
    content:"";
    position:absolute; left:0; top:2px; width:20px; height:20px; line-height:20px;
    text-align:center; color:#fff; border-radius:4px; font-weight:700;
}
.rating--ok:before   { content:"+";  background:#2bb673; }
.rating--miss:before { content:"–";  background:#e55353; }
.rating__name{ margin-right:8px; }
.rating__link{ display:none; }
.rating:hover .rating__link{ display:inline; }

/* Кнопка */
.btn{
    display:inline-block; padding:6px 10px; border:1px solid #dcdcdc; border-radius:6px; background:#fff;
    text-decoration:none; color:#111; font-size:14px; line-height:1.2;
}
.btn:hover{ background:#f6f7f8; }
.btn-outline{ background:#fff; }

/* Спільні панелі (як на інших екранах) */
.var-panel{ border:1px solid #e6e6e6; border-radius:8px; background:#fff; }
.var-panel__header{
    font-weight:600; padding:10px 12px; border-bottom:1px solid #eee; background:#fafafa;
}
.var-panel__body{ padding:12px; }