.seat-map{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;max-width:900px;margin:10px auto;}
.lsa-seat{border:2px solid #444;border-radius:8px;padding:10px;background:#f5f5f5;display:flex;flex-direction:column;min-height:120px;position:relative;cursor:pointer;}
.lsa-seat .number{font-weight:bold;text-align:center;margin-bottom:5px;}
.lsa-seat .status{font-size:12px;text-align:center;margin-bottom:3px;color:green;}
.lsa-seat.taken .status{color:red;background:#ffe6e6;}
.lsa-seat .student-name{font-size:13px;text-align:center;margin-bottom:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.lsa-seat .timer{margin-top:auto;font-weight:bold;text-align:center;}
.lsa-seat.selected{outline:3px solid #0073aa;}