/* AI-CLO PTITHCM V11.8 — unified exam builder */
.ub-workspace{display:block}.ub-top{display:flex;align-items:flex-start;gap:14px;padding-bottom:14px;border-bottom:1px solid var(--border,#e4e7ec)}.ub-top h3{margin:0 0 4px}.ub-top p{margin:0;color:var(--muted,#667085)}.ub-badges{display:flex;gap:7px;flex-wrap:wrap;margin-top:7px}.ub-sections{display:block}.ub-section{padding:14px 0;border-bottom:1px solid var(--border,#e4e7ec)}.ub-section:last-child{border-bottom:0}.ub-section.collapsed{padding:9px 0}.ub-section-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.ub-section-head>div:first-child{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;min-width:0}.ub-section-head h3{margin:0;font-size:1.05rem}.ub-section-head span{font-size:.86rem;color:var(--muted,#667085)}.ub-section-actions{display:flex;gap:7px;align-items:center;flex-wrap:wrap}.ub-section-body{padding-top:12px}.ub-section-body[hidden]{display:none!important}.ub-info-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:28px;row-gap:8px;padding:2px 0}.ub-info-list>div{line-height:1.45;min-width:0}.ub-info-description{grid-column:1/-1;border-top:1px solid var(--border,#e4e7ec);padding-top:8px;margin-top:2px}.ub-structure-intro{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:9px}.ub-structure-intro>span{color:var(--muted,#667085);font-size:.9rem}.ub-matrix-view th,.ub-matrix-view td,.ub-editor-table th,.ub-editor-table td{text-align:center;vertical-align:middle}.ub-matrix-view th:first-child,.ub-matrix-view td:first-child,.ub-editor-table th:first-child,.ub-editor-table td:first-child{text-align:left;min-width:220px}.ub-matrix-view td:first-child small{display:block;margin-top:3px;color:var(--muted,#667085);font-weight:400}.ub-matrix-view td small{color:var(--muted,#667085)}.ub-chapter-row td{background:var(--soft,#f8fafc)}.ub-matrix-status{margin-top:9px;padding:8px 10px;border-radius:8px;font-size:.9rem}.ub-matrix-status.ok{background:#eef8f2;color:#197149}.ub-matrix-status.warn{background:#fff7ed;color:#9a3412}.ub-question-summary{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:10px}.ub-question-card{border:1px solid var(--border,#e4e7ec);border-radius:10px;padding:13px;margin-bottom:10px;background:#fff}.ub-question-head{display:flex;justify-content:space-between;align-items:flex-start;gap:10px;margin-bottom:9px}.ub-question-head>div{display:flex;align-items:center;gap:6px;flex-wrap:wrap}.ub-question-card .detail-question{font-weight:600;margin:8px 0 9px}.ub-question-card .detail-options{display:grid;gap:5px}.ub-question-card .detail-options>div{display:grid;grid-template-columns:30px 1fr;gap:8px;padding:7px 9px;border-radius:8px;background:var(--soft,#f7f8fa)}.ub-question-card .detail-options>div.correct{outline:1px solid rgba(20,160,90,.35)}.ub-footer{position:sticky;bottom:0;z-index:6;display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:12px;padding:12px 0 2px;background:linear-gradient(to top,var(--page-bg,#fff) 72%,transparent)}.ub-footer>div{display:flex;gap:8px;flex-wrap:wrap}.ub-export-box{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:4px 0}.ub-export-box p{margin:4px 0 0;color:var(--muted,#667085)}.ub-export-actions{display:flex;gap:8px;flex-wrap:wrap}.ub-structure-editor{padding:14px}.ub-structure-help{display:flex;gap:10px;align-items:baseline;flex-wrap:wrap;margin:2px 0 10px}.ub-structure-help span{color:var(--muted,#667085)}.ub-mode-choice{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-bottom:12px}.ub-mode-choice label{display:grid;grid-template-columns:auto 1fr;column-gap:8px;align-items:start;padding:10px;border:1px solid var(--border,#e4e7ec);border-radius:10px;cursor:pointer}.ub-mode-choice label input{grid-row:1/3;margin-top:3px}.ub-mode-choice small{color:var(--muted,#667085);margin-top:2px}.ub-fixed-mode{display:flex;gap:10px;align-items:baseline;flex-wrap:wrap;padding:9px 10px;margin-bottom:12px;border-radius:9px;background:var(--soft,#f8fafc)}.ub-fixed-mode span{color:var(--muted,#667085);font-size:.9rem}.ub-scope-list{display:grid;gap:8px;margin-bottom:14px}.ub-scope-list article{border:1px solid var(--border,#e4e7ec);border-radius:9px;padding:9px 10px}.ub-chapter-check{display:flex;align-items:center;gap:7px}.ub-topic-checks{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px 12px;margin:8px 0 0 24px}.ub-topic-checks label{display:flex;align-items:center;gap:6px;min-width:0}.ub-editor-matrix{margin-top:8px}.ub-editor-table .clo-matrix-cell{display:inline-flex;align-items:center;justify-content:center;gap:5px;white-space:nowrap}.ub-editor-table .clo-matrix-cell input{width:62px;text-align:center;padding:7px 5px}.ub-editor-table .clo-matrix-cell span{font-size:.82rem;color:var(--muted,#667085)}.ub-info-form{padding:14px}.clo-switch-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 12px}.aiclo-switch-row{display:flex!important;align-items:center!important;justify-content:space-between!important;gap:12px;padding:9px 10px;border:1px solid var(--border,#e4e7ec);border-radius:9px;background:#fff}.aiclo-switch{position:relative;display:inline-flex;width:44px;height:26px;flex:0 0 44px}.aiclo-switch input{position:absolute;opacity:0;pointer-events:none}.aiclo-switch i{position:absolute;inset:0;border-radius:999px;background:#cbd5e1;transition:.18s}.aiclo-switch i:after{content:"";position:absolute;left:3px;top:3px;width:20px;height:20px;border-radius:50%;background:#fff;box-shadow:0 1px 3px #0003;transition:.18s}.aiclo-switch input:checked+i{background:var(--red,#a61d2d)}.aiclo-switch input:checked+i:after{transform:translateX(18px)}.aiclo-switch input:disabled+i{opacity:.45}
@media(max-width:800px){.ub-top{display:grid}.ub-section-head{align-items:flex-start}.ub-section-head>div:first-child{display:grid;gap:3px}.ub-info-list{grid-template-columns:1fr}.ub-info-description{grid-column:auto}.ub-mode-choice{grid-template-columns:1fr}.ub-topic-checks{grid-template-columns:1fr}.clo-switch-grid{grid-template-columns:1fr}.ub-export-box,.ub-footer{align-items:flex-start;flex-direction:column}.ub-matrix-view th:first-child,.ub-matrix-view td:first-child,.ub-editor-table th:first-child,.ub-editor-table td:first-child{min-width:155px}.ub-question-head{display:grid}.ub-question-head>div:last-child{justify-content:flex-start}}

/* V12.3.2 Builder question tools */
.ub-question-code{font:600 .78rem/1.2 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:var(--muted,#667085);background:var(--soft,#f8fafc);border:1px solid var(--border,#e4e7ec);border-radius:6px;padding:4px 6px}.ub-question-actions{justify-content:flex-end}.ub-picker-list{display:grid;gap:9px;margin-top:12px}.ub-picker-list article{display:grid;gap:8px;padding:11px;border:1px solid var(--border,#e4e7ec);border-radius:10px;background:#fff}.ub-picker-list article>div:first-child{display:flex;gap:7px;align-items:center;flex-wrap:wrap}.ub-picker-content{font-weight:600}.ub-picker-list article button{justify-self:start}.ub-quick-edit{display:grid;gap:12px}.ub-edit-options{display:grid;gap:9px}.ub-edit-options label{display:grid;grid-template-columns:44px 1fr;gap:8px;align-items:start}.ub-edit-options label>span{padding-top:8px}.ub-edit-options textarea{width:100%}@media(max-width:800px){.ub-question-actions{justify-content:flex-start}.ub-picker-list article button{width:100%}.ub-edit-options label{grid-template-columns:36px 1fr}}

/* V12.3.3 — Assessment structure redesign */
.ub-structure-panel{display:grid;gap:16px}.ub-structure-panel>.panel-head{margin-bottom:0}.ub-structure-block{border:1px solid var(--border,#e4e7ec);border-radius:12px;padding:14px;background:#fff}.ub-structure-block>h4,.ub-structure-block-head h4{margin:0 0 8px}.ub-structure-block-head{display:flex;justify-content:space-between;align-items:flex-start;gap:14px;margin-bottom:10px}.ub-structure-block-head span{font-size:.86rem;color:var(--muted,#667085)}.ub-structure-segmented{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.ub-structure-segmented label{position:relative;display:grid;gap:3px;padding:11px 12px;border:1px solid var(--border,#e4e7ec);border-radius:10px;cursor:pointer;background:var(--soft,#f8fafc)}.ub-structure-segmented label.active{border-color:var(--red,#a61d2d);box-shadow:0 0 0 1px var(--red,#a61d2d);background:#fff}.ub-structure-segmented input{position:absolute;opacity:0;pointer-events:none}.ub-structure-segmented span{font-weight:700}.ub-structure-segmented small{color:var(--muted,#667085);line-height:1.4}.ub-structure-chapters{display:grid;gap:9px}.ub-structure-chapter{border:1px solid var(--border,#e4e7ec);border-radius:10px;background:var(--soft,#f8fafc);overflow:hidden}.ub-structure-chapter.selected{background:#fff;border-color:#d8dde6}.ub-structure-chapter-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 12px}.ub-chapter-main{display:flex;align-items:flex-start;gap:9px;min-width:0;flex:1}.ub-chapter-main>span{display:grid;gap:2px;min-width:0}.ub-chapter-main small{color:var(--muted,#667085);font-weight:400}.ub-chapter-toggle{flex:0 0 auto}.ub-structure-topic-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px 10px;padding:10px 12px 12px;border-top:1px solid var(--border,#e4e7ec);background:#fff}.ub-topic-item{display:flex;align-items:flex-start;gap:7px;padding:8px 9px;border:1px solid #edf0f4;border-radius:8px;line-height:1.35;min-width:0}.ub-topic-item span{overflow-wrap:anywhere}.ub-matrix-block{padding:0;overflow:hidden}.ub-matrix-block>.ub-structure-block-head{padding:14px 14px 4px;margin-bottom:6px}.ub-matrix-table{width:100%;overflow-x:auto}.ub-matrix-table table{width:100%;border-collapse:collapse}.ub-matrix-table th,.ub-matrix-table td{padding:10px;border-top:1px solid var(--border,#e4e7ec);vertical-align:middle}.ub-matrix-table thead th{background:var(--soft,#f8fafc);white-space:nowrap}.ub-matrix-table td:first-child,.ub-matrix-table th:first-child{text-align:left}.ub-matrix-table .matrix-chapter td{background:#f8fafc}.ub-matrix-table .matrix-chapter small{margin-left:8px;color:var(--muted,#667085);font-weight:400}.ub-matrix-cell{display:flex;align-items:center;justify-content:center;gap:7px;white-space:nowrap}.ub-matrix-cell input{width:62px;text-align:center;padding:7px 5px}.ub-matrix-cell span{font-size:.82rem;color:var(--muted,#667085)}.ub-matrix-total{text-align:center}.ub-matrix-data-row>td:first-child small{display:block;margin-top:3px;color:var(--muted,#667085);font-weight:400}.matrix-grand td{background:#fafafa}
@media(max-width:980px){.ub-structure-topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:700px){.ub-structure-panel{gap:12px}.ub-structure-segmented{grid-template-columns:1fr}.ub-structure-topic-grid{grid-template-columns:1fr}.ub-structure-block-head{display:grid;gap:4px}.ub-matrix-table{overflow:visible}.ub-matrix-table table,.ub-matrix-table tbody{display:block;width:100%}.ub-matrix-table thead{display:none}.ub-matrix-table tr{display:block}.ub-matrix-table .matrix-chapter td{display:block;border-top:1px solid var(--border,#e4e7ec);padding:10px 12px}.ub-matrix-table .ub-matrix-data-row{margin:0 10px 10px;border:1px solid var(--border,#e4e7ec);border-radius:10px;overflow:hidden;background:#fff}.ub-matrix-table .ub-matrix-data-row td{display:grid;grid-template-columns:minmax(86px,.8fr) minmax(0,1.2fr);align-items:center;gap:8px;border-top:1px solid #edf0f4;padding:9px 10px;text-align:left}.ub-matrix-table .ub-matrix-data-row td:first-child{display:block;border-top:0;background:#fafafa}.ub-matrix-table .ub-matrix-data-row td:not(:first-child)::before{content:attr(data-label);font-weight:700}.ub-matrix-cell{justify-content:flex-start;white-space:normal}.ub-matrix-total{text-align:left}.ub-matrix-table .matrix-grand{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;margin-top:8px;border-top:1px solid var(--border,#e4e7ec)}.ub-matrix-table .matrix-grand td{display:grid;gap:2px;padding:9px 10px;border:0;border-right:1px solid #edf0f4;border-bottom:1px solid #edf0f4;text-align:left}.ub-matrix-table .matrix-grand td:not(:first-child)::before{content:attr(data-label);font-size:.76rem;color:var(--muted,#667085)}.ub-structure-chapter-head{align-items:flex-start}.ub-chapter-toggle{font-size:.78rem}}

/* V12.6 — random summary + fixed/random mixed mode */
.ub-required-panel,.ub-random-summary-panel{display:grid;gap:12px}.ub-required-panel>.panel-head{display:flex;align-items:flex-start;justify-content:space-between;gap:14px}.ub-required-actions{display:flex;gap:8px;flex-wrap:wrap}.ub-required-summary,.ub-random-summary{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:12px 14px;border:1px solid var(--border,#e4e7ec);border-radius:10px;background:var(--soft,#f8fafc)}.ub-required-summary span,.ub-random-summary span{color:var(--muted,#667085)}.ub-required-list{display:grid;gap:9px}.ub-required-question{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding:12px;border:1px solid var(--border,#e4e7ec);border-radius:10px;background:#fff}.ub-required-question-main{min-width:0}.ub-required-question-main>div{display:flex;gap:6px;align-items:center;flex-wrap:wrap}.ub-required-question-main p{margin:8px 0 0;font-weight:600;line-height:1.45}.v126-fixed-scope{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.v126-fixed-window{display:grid;gap:12px}.v126-fixed-capacity{padding:9px 10px;border-radius:8px;background:var(--soft,#f8fafc);color:var(--muted,#667085)}.v126-ai-fixed-preview{display:grid;gap:10px}.v126-ai-card{display:grid;gap:10px;padding:12px;border:1px solid var(--border,#e4e7ec);border-radius:10px;background:#fff}.ub-required-empty{margin:0}
@media(max-width:700px){.ub-required-panel>.panel-head{display:grid}.ub-required-actions{width:100%}.ub-required-actions button{flex:1 1 180px}.ub-required-question{display:grid}.ub-required-question>button{width:100%}.v126-fixed-scope{grid-template-columns:1fr}.ub-random-summary{display:grid;gap:5px}}