.tutor-activity-centre{border:1px solid #42352f;background:linear-gradient(145deg,#171411,#121419);border-radius:18px;padding:16px;margin:18px 0}.activity-head{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}.activity-head h3{margin:3px 0;font-size:18px}.activity-head p{margin:0;color:#969ca7;font-size:10px}.activity-actions{display:flex;gap:7px}.activity-feed{display:grid;gap:8px;margin-top:12px;max-height:360px;overflow:auto}.activity-item{display:grid;grid-template-columns:9px 1fr auto;gap:9px;align-items:start;padding:10px;border:1px solid #2e333c;border-radius:12px;background:#0c0e12}.activity-item.unread{border-color:#7a4029}.activity-dot{width:8px;height:8px;border-radius:50%;background:#5c626d;margin-top:5px}.activity-item.unread .activity-dot{background:#ff6828}.activity-item strong{font-size:11px}.activity-item p{margin:3px 0;color:#a6abb4;font-size:10px}.activity-item time{font-size:8px;color:#777e89}.presence-strip{display:flex;gap:7px;overflow:auto;margin-top:12px}.presence-chip{white-space:nowrap;border:1px solid #303640;border-radius:999px;padding:7px 10px;color:#afb4bd;font-size:9px}.presence-chip.active{border-color:#267a50;color:#70d9a3}.tutor-message-board{margin-top:16px;border-top:1px solid #353941;padding-top:14px}.tutor-thread{display:flex;flex-direction:column;gap:7px;max-height:320px;overflow:auto;margin:10px 0}.tutor-bubble{max-width:88%;padding:10px 12px;border-radius:13px;background:#22262d;border:1px solid #303641}.tutor-bubble.tutor{align-self:flex-end;background:#402217;border-color:#854124}.tutor-bubble.student{align-self:flex-start}.tutor-bubble strong{display:block;color:#ff9670;font-size:9px}.tutor-bubble p{margin:4px 0;white-space:pre-wrap;overflow-wrap:anywhere;font-size:11px}.tutor-bubble time{font-size:8px;color:#858b96}.tutor-message-form{display:grid;gap:8px}.tutor-message-form textarea{min-height:76px;resize:vertical}.tutor-message-empty{color:#9298a3;font-size:10px;padding:14px 0;text-align:center}