.book-student-dropdown{margin-top:10px;display:flex;flex-direction:column;gap:8px;max-height:280px;overflow:auto;padding:10px;border:1px solid #bfd2f4;border-radius:14px;background:#fff;box-shadow:0 12px 30px #0f172a14}.book-student-dropdown-search{position:sticky;top:0;z-index:1;padding-bottom:2px;background:#fff}.book-student-dropdown-search input{width:100%;border-color:#bfd2f4;background:#f8fbff;box-shadow:none}.book-student-dropdown-list{display:flex;flex-direction:column;gap:6px}.book-student-dropdown-item,.book-student-dropdown-empty{width:100%;border-radius:12px;padding:12px 14px;text-align:left;font:inherit}.book-student-dropdown-item{border:1px solid #dbe5f5;background:#f8fbff;cursor:pointer;color:var(--ink);text-align:left}.book-student-dropdown-item:hover,.book-student-dropdown-item.is-selected{border-color:#3b61e0;background:#e8efff}.book-student-dropdown-item-content{display:flex;flex-direction:column;gap:2px}.book-student-dropdown-main{font-weight:700;line-height:1.25}.book-student-dropdown-sub{color:#516079;font-size:12px;line-height:1.25;word-break:break-word}.book-student-dropdown-match{background:#fde68a;color:inherit;padding:0 2px;border-radius:3px}.book-student-dropdown-empty{border:1px dashed #d8e2f0;color:var(--muted);background:#f8fbff}