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#0f172a);letter-spacing:-.5px}.admin-classes-card-meta{font-size:.75rem;color:var(--text-secondary, #64748b);display:flex;flex-direction:column;gap:2px}.admin-classes-card-room{color:var(--text-secondary, #64748b)}.admin-classes-card-counts{display:flex;gap:8px;font-size:.78rem;color:var(--text-secondary, #64748b);margin-top:4px}.admin-classes-card-delete{position:absolute;top:6px;right:8px;background:none;border:none;font-size:16px;font-weight:700;color:#cbd5e1;cursor:pointer;line-height:1;padding:2px 4px;border-radius:4px;transition:color .12s,background .12s}.admin-classes-card-delete:hover:not(:disabled){color:#ef4444;background:#fee2e2}.admin-classes-card-delete:disabled{opacity:.4;cursor:wait}.admin-people-list{display:flex;flex-direction:column;gap:6px;margin-top:8px}.admin-people-row{display:flex;align-items:center;justify-content:space-between;gap:12px;background:var(--bg-canvas, #fff);border:1px solid var(--border-default, #e2e8f0);border-radius:8px;padding:10px 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#64748b);font-style:italic}.admin-teacher-assign-list{display:flex;flex-wrap:wrap;gap:6px}.admin-teacher-assign-tag{display:inline-flex;align-items:center;gap:5px;background:#eff6ff;border:1px solid #bfdbfe;border-radius:99px;padding:3px 10px;font-size:.82rem;color:#1d4ed8}.admin-teacher-assign-class{font-weight:600;width:80px;overflow:hidden;text-overflow:ellipsis}.admin-teacher-assign-subject{color:#3b82f6}.admin-teacher-assign-remove{background:none;border:none;cursor:pointer;color:#93c5fd;font-size:13px;font-weight:700;line-height:1;padding:0 0 0 2px;border-radius:99px;transition:color .12s}.admin-teacher-assign-remove:hover:not(:disabled){color:#ef4444}.admin-teacher-assign-remove:disabled{opacity:.4;cursor:wait}.admin-teacher-assign-btn{align-self:flex-start;background:none;border:1px dashed #93c5fd;color:#2563eb;font-size:.8rem;padding:4px 12px;border-radius:6px;cursor:pointer;transition:background .12s,border-color 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#0f172a)}.admin-student-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px;margin-bottom:16px}.admin-student-card{position:relative;display:flex;flex-direction:column;align-items:center;gap:4px;padding:16px 12px 12px;background:#fff;border:1px solid #e2e8f0;border-radius:12px;box-shadow:0 1px 3px #0000000f;transition:box-shadow .15s,border-color .15s}.admin-student-card:hover{box-shadow:0 4px 12px #0000001a;border-color:#93c5fd}.admin-student-card--editing{align-items:stretch;padding:16px;grid-column:1 / -1}.admin-student-card-header{position:absolute;top:8px;right:8px}.admin-student-card-delete{background:none;border:none;color:#94a3b8;font-size:1rem;line-height:1;cursor:pointer;padding:2px 5px;border-radius:4px}.admin-student-card-delete:hover{color:#ef4444;background:#fee2e2}.admin-student-card-avatar{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,#3b82f6,#6366f1);color:#fff;font-size:1.25rem;font-weight:700;display:flex;align-items:center;justify-content:center;margin-bottom:4px}.admin-student-card-name{font-size:.88rem;font-weight:700;color:var(--text-heading, #0f172a);text-align:center;word-break:break-word}.admin-student-card-chinese{font-size:.8rem;color:var(--text-secondary, #64748b);text-align:center}.admin-student-card-meta{display:flex;flex-wrap:wrap;justify-content:center;gap:4px;margin-top:4px}.admin-student-card-chip{font-size:.72rem;padding:2px 7px;border-radius:20px;background:#f1f5f9;color:#475569;border:1px solid #e2e8f0}.admin-student-card-footer{display:flex;flex-wrap:wrap;justify-content:center;gap:4px;margin-top:8px;width:100%}.admin-student-enroll-form{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:10px 12px;background:#f1f5f9;border:1px dashed #cbd5e1;border-radius:8px;margin-top:4px}.admin-student-enroll-panel{margin-top:12px;padding:12px 14px;background:#f8fafc;border:1px dashed #cbd5e1;border-radius:10px}.admin-student-enroll-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.admin-student-enroll-title{font-size:.82rem;font-weight:600;color:var(--text-secondary, #64748b);text-transform:uppercase;letter-spacing:.04em}.admin-student-enroll-list{display:flex;flex-direction:column;gap:4px;max-height:220px;overflow-y:auto}.admin-student-enroll-item{display:flex;align-items:center;gap:10px;padding:7px 10px;border-radius:6px;border:1px solid #e2e8f0;background:#fff;cursor:pointer;font-size:.88rem;color:var(--text-heading, #0f172a);transition:border-color .1s,background .1s}.admin-student-enroll-item:hover{border-color:#93c5fd;background:#eff6ff}.admin-student-enroll-item--checked{border-color:#3b82f6;background:#eff6ff;font-weight:600}.admin-student-enroll-item input[type=checkbox]{accent-color:#3b82f6;width:15px;height:15px;cursor:pointer}.admin-student-profile-form{width:100%}.admin-student-profile-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px;margin-bottom:4px}.admin-student-profile-section{display:flex;flex-direction:column;gap:8px}.admin-student-profile-section-title{font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--text-secondary,#64748b);padding-bottom:4px;border-bottom:1px solid #e2e8f0;margin-bottom:2px}.admin-student-profile-form .admin-classes-form-row{flex-direction:column;align-items:flex-start;gap:3px}.admin-student-profile-form .admin-classes-label{font-size:.75rem;font-weight:600}.admin-student-profile-form .admin-classes-input,.admin-student-profile-form .admin-classes-select{width:100%;box-sizing:border-box;min-width:0}.qb-filters{display:flex;flex-direction:column;gap:8px;margin-bottom:16px;padding:12px 14px;background:var(--bg-subtle, #f8fafc);border:1px solid var(--border-default, #e2e8f0);border-radius:10px}.qb-filter-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.qb-grade-pills{display:flex;flex-wrap:wrap;gap:5px}.qb-grade-pill{padding:4px 10px;border-radius:20px;border:1px solid var(--border-default, #e2e8f0);background:#fff;font-size:.8rem;font-weight:600;color:var(--text-secondary, #64748b);cursor:pointer;transition:background .12s,border-color .12s,color .12s}.qb-grade-pill:hover{border-color:var(--action-primary-bg, #2563eb);color:var(--action-primary-bg, #2563eb)}.qb-grade-pill--active{background:var(--action-primary-bg, #2563eb);border-color:var(--action-primary-bg, #2563eb);color:#fff}.qb-bulk-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding-top:6px;border-top:1px solid var(--border-default, #e2e8f0)}.qb-bulk-row button{white-space:nowrap;flex-shrink:0}.qb-pagination{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:14px}.qb-answer-preview{font-size:.8rem;color:var(--text-secondary, #475569);line-height:1.6;padding:2px 0}.modal-backdrop{position:fixed;inset:0;background:#00000059;display:flex;align-items:center;justify-content:center;z-index:200;padding:16px}.modal-dialog{background:#fff;border-radius:14px;box-shadow:0 12px 40px #0000002e;width:100%;max-height:90vh;display:flex;flex-direction:column}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px 12px;border-bottom:1px solid var(--border-default, #e2e8f0)}.modal-title{font-size:1rem;font-weight:700;color:var(--text-heading, #0f172a);margin:0}.modal-close-btn{background:none;border:none;font-size:1.4rem;line-height:1;color:var(--text-secondary, #64748b);cursor:pointer;padding:0 4px}.modal-close-btn:hover{color:var(--text-heading, #0f172a)}.modal-body{padding:16px 20px;overflow-y:auto;flex:1}.modal-footer{display:flex;gap:8px;align-items:center;padding:12px 20px 16px;border-top:1px solid var(--border-default, #e2e8f0)}
