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14px;border-radius:20px;font-size:13px;font-weight:600;font-family:inherit;cursor:pointer;border:1.5px solid var(--border);background:var(--surface);color:var(--text);transition:background .15s,border-color .15s,color .15s;white-space:nowrap}.qbank-level-chip:hover{border-color:var(--primary);color:var(--primary)}.qbank-level-chip.active{background:var(--primary);border-color:var(--primary);color:#fff}.qbank-no-levels{font-size:13px;color:var(--muted)}.qbank-level-chip-wrap{display:flex;align-items:center;gap:2px}.qbank-level-chip-add{width:22px;height:22px;border-radius:50%;border:1px solid var(--border);background:transparent;color:var(--muted);font-size:16px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s,color .15s,border-color .15s;padding:0}.qbank-level-chip-add:hover{background:var(--primary);color:#fff;border-color:var(--primary)}.sessions-list{display:flex;flex-direction:column;gap:24px;padding:4px 0}.session-color-dot{width:10px;height:10px;border-radius:50%;flex-shrink:0}.grid-chunk{display:flex;flex-direction:column;gap:6px}.grid-chunk-label{font-size:11px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;padding:2px 4px;border-right:3px solid var(--primary)}.range-input{width:56px!important;text-align:center}.toolbar-divider{width:1px;height:22px;background:var(--border);flex-shrink:0}.page-chips-label{font-size:12px;color:var(--muted);white-space:nowrap}.page-chip{min-width:34px;height:32px;padding:0 8px;border-radius:8px;border:1.5px solid var(--border);background:transparent;color:var(--text);font-size:13px;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:1px;transition:background .13s,border-color .13s,color .13s}.page-chip:hover{border-color:var(--primary);color:var(--primary)}.page-chip.active{background:var(--primary);border-color:var(--primary);color:#fff}.page-chip-table{font-size:10px;opacity:.8}.page-chip-count{font-size:10px;background:#0000001f;border-radius:10px;padding:0 5px;margin-right:3px}.page-chip.active .page-chip-count{background:#ffffff40}.page-anchors-bar{display:flex;flex-wrap:wrap;gap:6px;align-items:center;padding:8px 4px 12px;border-bottom:1px solid var(--border);margin-bottom:8px}.qbank-level-chip-count{font-size:10px;background:#0000001f;border-radius:10px;padding:0 5px;margin-right:4px}.qbank-level-chip.active .qbank-level-chip-count{background:#ffffff40}.col-editing{background:var(--primary)!important;color:#fff!important}.td-editing{background:color-mix(in srgb,var(--primary) 8%,transparent)}.edit-badge{font-size:10px;margin-right:3px;opacity:.8}.col-selected{background:var(--success, #16a34a)!important;color:#fff!important}.td-selected{background:color-mix(in srgb,var(--success, #16a34a) 12%,transparent)}.select-badge{font-size:11px;margin-left:3px;font-weight:700}.col-highlight{background:#f59e0b!important;color:#fff!important}.td-highlight{background:color-mix(in srgb,#f59e0b 14%,transparent)}.range-select-bar{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:8px 0 12px}.range-select-bar .range-input{width:72px!important}.range-select-label{font-size:13px;color:var(--text-2);white-space:nowrap}.session-grid-card{border:1px solid var(--border);border-radius:12px;overflow:hidden}.session-grid-header{display:flex;align-items:center;justify-content:space-between;padding:10px 16px;background:var(--surface);border-bottom:1px solid var(--border);gap:12px;flex-wrap:wrap}.session-grid-title{display:flex;flex-direction:column;gap:2px}.session-grid-title strong{font-size:14px;font-weight:700}.session-grid-title small{font-size:12px;color:var(--muted)}.question-grid--view th{background:var(--primary);color:#fff;font-size:13px}.question-grid--view td{padding:0!important}.question-grid--student{min-width:unset!important;width:auto!important;border-collapse:separate;border-spacing:0}.question-grid--student td{border:none!important;min-width:clamp(80px,22vw,140px)}.question-grid--student .answer-row td{border-top:2px solid var(--primary)!important;background:color-mix(in srgb,var(--primary) 8%,transparent)}.question-grid--student .cell-inner--view{padding:clamp(2px,1vw,6px) clamp(6px,2.5vw,16px);gap:clamp(3px,1.5vw,8px)}.question-grid--student .cell-op{width:clamp(18px,4.5vw,28px);height:clamp(18px,4.5vw,28px);font-size:clamp(10px,2.8vw,15px);flex-shrink:0}.question-grid--student .view-num{font-size:clamp(16px,5vw,28px)!important;font-weight:800;min-width:clamp(22px,6vw,40px);text-align:center}.question-grid--student .view-num--answer{font-size:clamp(14px,4.5vw,24px)!important;color:var(--muted)}.cell-inner--view{display:flex;align-items:center;justify-content:center;gap:2px;padding:5px 4px}.view-num{font-size:13px;font-weight:500;min-width:28px;text-align:center;color:var(--text)}.session-grid-empty{padding:24px 16px;text-align:center;font-size:13px;color:var(--muted);font-style:italic}.view-num--answer{font-weight:800;color:var(--primary);font-size:14px}.grid-errors{background:color-mix(in srgb,var(--error, #d32f2f) 8%,transparent);border:1px solid var(--error, #d32f2f);border-radius:8px;padding:10px 14px;font-size:13px;color:var(--error, #d32f2f)}.grid-errors p{margin:2px 0}