.teacher-select{min-width:155px;border:1px solid var(--line);border-radius:8px;padding:7px;background:#fff;color:var(--ink);font-size:12px}.roster-details{position:relative}.roster-details summary{cursor:pointer;list-style:none;display:inline-flex;align-items:center;gap:7px;font-weight:800;color:var(--deep)}.roster-details summary::-webkit-details-marker{display:none}.roster-details summary:after{content:'⌄';font-size:11px;background:var(--mint);color:var(--green);width:20px;height:20px;border-radius:6px;display:grid;place-items:center}.roster-details[open] summary:after{content:'⌃'}.roster-box{margin-top:8px;width:min(300px,80vw);max-height:150px;overflow:auto;background:#f7faf9;border:1px solid var(--line);border-radius:10px;padding:9px;box-shadow:0 8px 20px #0b40351a}.roster-title{display:block;color:var(--muted);font-size:10px;text-transform:uppercase;letter-spacing:.5px;margin-bottom:6px}.student-chip{display:inline-block;margin:2px;padding:4px 7px;border-radius:20px;background:#fff;border:1px solid #e2ebe8;font-size:10px;color:var(--ink)}.roster-empty{font-size:11px;color:var(--muted);padding:5px}.relation-count{font-size:11px;color:var(--muted);font-weight:500}.relation-table td{vertical-align:top}