/* learning group: attendance marks, month sheet, calendar */
.lr-marks{list-style:none;margin:0;padding:0;display:flex;flex-direction:column}
.lr-mark{display:grid;grid-template-columns:minmax(200px,1.4fr) auto minmax(180px,1fr);gap:14px;align-items:center;padding:12px 0;border-bottom:1px solid var(--line)}
.lr-mark:last-child{border-bottom:0}
.lr-who{display:flex;flex-direction:column;gap:3px;min-width:0}
.lr-seg{display:inline-flex;border:1px solid var(--line);border-radius:999px;overflow:hidden;background:var(--paper-2)}
.lr-seg button{min-height:44px;min-width:92px;padding:0 16px;border:0;background:transparent;font:inherit;font-weight:500;color:var(--muted);cursor:pointer}
.lr-seg button[aria-pressed=true].lr-present{background:#DBF6EE;color:#0C5A47}
.lr-seg button[aria-pressed=true].lr-absent{background:#FFE4EE;color:#8A1F45}
.lr-seg button[disabled]{cursor:not-allowed}
.lr-seg button:focus-visible{outline:2px solid var(--link);outline-offset:-2px}
.lr-savebar{margin-top:14px;align-items:center;position:sticky;bottom:0;background:var(--card);padding:10px 0}
.lr-markbox{max-width:120px}
.lr-dip{font:var(--w-head) 22px var(--head);letter-spacing:-.02em}
/* attendance columns rise */
.lr-cols{display:flex;align-items:stretch;gap:4px;height:150px;overflow-x:auto;padding-bottom:2px}
.lr-col{flex:1 0 18px;min-width:18px;display:flex;flex-direction:column;align-items:center;gap:4px;font-size:10.5px;color:var(--muted)}
.lr-stack{flex:1;width:100%;max-width:22px;display:flex;flex-direction:column;justify-content:flex-end;gap:2px}
.lr-stack i{display:block;border-radius:5px 5px 2px 2px;transform-origin:bottom;animation:lrRise .7s var(--ease) both}
i.lr-p,.lr-key.lr-p{background:var(--mint)}
i.lr-a,.lr-key.lr-a{background:var(--rose)}
.lr-key{display:inline-block;width:10px;height:10px;border-radius:3px;vertical-align:baseline;margin-left:6px}
@keyframes lrRise{from{transform:scaleY(0)}to{transform:scaleY(1)}}
.lr-sheet td.num,.lr-sheet th.num{padding-left:6px;padding-right:6px;text-align:center}
.lr-sheet td.lr-present{background:#DBF6EE;color:#0C5A47;font-weight:600}
.lr-sheet td.lr-late{background:#FDF1DB;color:#6B4706;font-weight:600}
.lr-sheet td.lr-absent{background:#FFE4EE;color:#8A1F45;font-weight:600}
/* calendar */
.lr-week,.lr-month{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:6px;margin-top:12px}
.lr-week{margin-bottom:-6px}
.lr-day{min-height:96px;border:1px solid var(--line);border-radius:12px;padding:8px;background:var(--card);display:flex;flex-direction:column;gap:5px;overflow:hidden}
.lr-out{background:transparent;border-color:transparent}
.lr-today{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}
.lr-ev{font-size:12px;line-height:1.35;overflow-wrap:anywhere}
.lr-only-phone{display:none}
/* the marking screen: notes and correction under each student */
.lr-notes{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:8px}
.lr-notes input{flex:1 1 220px;min-width:0;min-height:44px;padding:0 12px;border:1px solid var(--line);border-radius:10px;background:var(--paper,#fff);font:inherit}
.lr-fix{flex:1 1 220px;display:flex}.lr-fix[hidden]{display:none}.lr-fix input{width:100%}
.lr-mark[hidden]{display:none}
@media (max-width:760px){
  .lr-mark{grid-template-columns:1fr;gap:8px}
  .lr-seg{width:100%}.lr-seg button{flex:1;min-width:0}
  .lr-only-wide{display:none}.lr-only-phone{display:inline}
  .lr-month{grid-template-columns:1fr}
  .lr-day{min-height:0}.lr-none,.lr-out{display:none}
}
@media (prefers-reduced-motion:reduce){.lr-stack i{animation:none}}