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var(--space-lg);margin-top:var(--space-lg);border:1px solid var(--border);border-radius:var(--radius-panel);background:var(--surface);flex-wrap:wrap;display:flex;position:sticky;bottom:0}.modal-header{align-items:baseline;gap:var(--space-sm);padding-bottom:var(--space-md);margin-bottom:var(--space-lg);padding-right:var(--space-2xl);border-bottom:1px solid var(--border);display:flex}.modal-header h2{margin:0}.modal-ref{font-family:var(--font-mono);font-size:var(--text-label);color:var(--text-muted);margin-left:auto}.label-line{display:block}.file-control{align-items:center;gap:var(--space-md);min-width:0;display:inline-flex;position:relative}.file-control>input[type=file]{opacity:0;cursor:pointer;width:100%;height:100%;position:absolute;inset:0}.file-button{height:var(--control-height);padding:0 var(--space-lg);border:1px solid 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.modal-count{font-family:var(--font-mono);font-size:var(--text-label);color:var(--text-muted)}.modal-body{gap:var(--space-sm);flex-direction:column;display:flex}.html-editor{font:var(--space-lg)/1.5 ui-monospace, SFMono-Regular, Menlo, monospace;width:100%;padding:var(--space-md);border:1px solid var(--border);border-radius:var(--radius-control);color:inherit;resize:vertical;background:0 0}.question-list{margin:0;padding:0;list-style:none}.question-card{gap:var(--space-md)}.choice-list{border:1px solid var(--border);border-radius:var(--radius-block);gap:var(--space-sm);flex-direction:column;display:flex}.choice-row{align-items:center;gap:var(--space-md);display:flex}.choice-row input[type=text],.choice-row input:not([type]){flex:1;min-width:0}.choice-row{flex-wrap:wrap}.choice-label{width:var(--space-lg);font-weight:700}@media (width<=60rem){.tree-layout{grid-template-columns:1fr}}:where(a,button,input,select,textarea,[tabindex]):focus-visible{outline:2px solid var(--accent);outline-offset:2px}button.vis-button{height:auto;font-size:var(--text-micro);letter-spacing:.04em;text-transform:uppercase;padding:var(--space-3xs) var(--space-xs);border-radius:var(--radius-tag);background:var(--tag-quiet-bg);color:var(--tag-quiet-text);border:1px solid #0000;font-weight:700}.vis-button.vis-public{background:var(--tag-ok-bg);color:var(--tag-ok-text)}.vis-button.vis-unlisted{background:var(--tag-tbd-bg);color:var(--tag-tbd-text)}.drop-line,.tree-drop-line{border-radius:var(--radius-hairline);height:6px;margin:-3px 0;list-style:none}.drop-line.active,.tree-drop-line.active{background:var(--accent)}.tree-row.drop-into{outline:2px dashed var(--accent);outline-offset:-2px}.root-drop{margin-top:var(--space-md);padding:var(--space-lg);border:2px dashed var(--border);border-radius:var(--radius-block);text-align:center;color:color-mix(in srgb, currentColor 70%, transparent)}.root-drop.active{border-color:var(--accent);color:inherit}.tree-add.top-level{border-bottom:1px solid var(--border);margin-bottom:var(--space-sm);padding-bottom:var(--space-md)}.subject-heading{align-items:center;gap:var(--space-md);flex-wrap:wrap;display:flex}.subject-heading 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solid var(--border);border-radius:var(--radius-panel);margin:var(--space-md) 0;padding:var(--space-sm) var(--space-lg);background:var(--surface)}.settings-group summary{box-sizing:border-box;cursor:pointer;gap:var(--space-md);min-height:var(--disclosure-height);padding:var(--space-sm) 0;flex-wrap:wrap;align-items:baseline;display:flex}.settings-group-title{font-family:var(--font-heading);font-weight:700;font-size:var(--text-ui);color:var(--text)}.settings-group-body{gap:var(--space-lg);padding:var(--space-sm) 0 var(--space-md);flex-direction:column;display:flex}.settings-group-body input[type=number]{width:6rem}.blocklist-add{align-items:flex-end;gap:var(--gap-row);flex-wrap:wrap;display:flex}.blocklist-add>label:first-child{flex:12rem;min-width:0}.blocklist-add>label+label{flex:none}.blocklist-rows{border:1px solid var(--border);border-radius:var(--radius-panel);margin:0;padding:0;list-style:none;overflow:hidden}.blocklist-row{align-items:center;gap:var(--space-md);padding:var(--space-sm) var(--space-md);border-bottom:1px solid var(--border);display:flex}.blocklist-row:last-child{border-bottom:none}.blocklist-term{min-width:0;font-family:var(--font-mono);font-size:var(--text-small);overflow-wrap:anywhere;flex:1}.blocklist-kind{background:var(--tag-quiet-bg);color:var(--tag-quiet-text);border-color:#0000;flex:none;margin:0;font-weight:500}.blocklist-remove{width:var(--control-height-sm);height:var(--control-height-sm);color:var(--text-muted);font-size:var(--text-ui);background:0 0;border:none;flex:none;justify-content:center;padding:0;line-height:1}.blocklist-row:hover .blocklist-remove{color:var(--text-body)}.blocklist-remove:hover,.blocklist-remove:focus-visible{color:var(--danger)}.tab-row{margin:var(--space-lg) 0;background:var(--surface-2);border-radius:var(--radius-block);box-sizing:border-box;flex-wrap:wrap;align-items:center;gap:0;padding:3px;display:inline-flex}.tabs{gap:var(--space-xl);margin:var(--space-lg) 0 var(--space-md);border-bottom:1px solid var(--border);display:flex}.tabs .tab{height:auto;padding:0 0 var(--space-md);font-size:var(--text-small);color:var(--text-muted);background:0 0;border:none;border-radius:0;font-weight:500}.tabs .tab.active{color:var(--text);box-shadow:inset 0 -2px 0 var(--accent);font-weight:600}.tabs .tab:hover:not(.active){color:var(--text-body)}.reports-filter{margin-bottom:var(--space-lg)}.tab-row .tab{padding:var(--space-xs) var(--space-md);font-size:var(--text-small);color:var(--text-muted);border-radius:var(--radius-control);background:0 0;border:none;font-weight:600}.tab-row .tab:hover:not(:disabled){color:var(--text-body)}.tab.active,.tab.current,.tab-row .tab.active,.tab-row .tab.current{background:var(--bg);color:var(--text);border-color:#0000}.filter-chip{padding:var(--space-sm) var(--space-md);font-size:var(--text-small);color:var(--text-body);border:1px solid var(--border-strong);border-radius:var(--radius-block);background:0 0;font-weight:500}.filter-chip.active{border-color:var(--accent);color:var(--accent);background:color-mix(in srgb, var(--accent) 10%, transparent);font-weight:600}.modal.wide{width:min(64rem,94vw);max-height:calc(var(--visible-height,100vh) * .92);overflow-y:auto}.question-lines-list{margin:0;padding:0;list-style:none}.question-line{align-items:center;gap:var(--space-sm);padding:var(--space-xs) var(--space-sm);flex-wrap:wrap;display:flex}.question-line:hover{background:var(--surface)}.question-number{text-align:right;font-variant-numeric:tabular-nums;width:2.25rem;color:color-mix(in srgb, currentColor 60%, 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b{color:var(--text-body);font-weight:600}.session-host:before{content:"· ";margin-right:var(--space-3xs)}.schedule-daylabel{margin:var(--space-xl) 0 var(--space-sm);font-family:var(--font-heading);font-size:var(--text-label);letter-spacing:.05em;text-transform:uppercase;color:var(--text-muted);font-weight:700}.schedule-day:first-of-type .schedule-daylabel{margin-top:var(--space-lg)}.session.past{opacity:.72}.session-title{font-family:var(--font-heading);font-size:var(--text-ui);letter-spacing:-.01em;color:var(--text);margin:0;font-weight:700}.session-meta{margin:var(--space-2xs) 0 0;font-size:var(--text-small);color:var(--text-muted)}.session-meta b{color:var(--text-body);font-weight:600}.session-tags{gap:var(--space-sm);margin:var(--space-sm) 0 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small{margin-top:var(--space-3xs);font-family:var(--font-body);font-size:var(--text-micro);letter-spacing:.06em;text-transform:uppercase;color:var(--text-muted);font-weight:700;display:block}.stat-body{min-width:0}.stat-title{font-size:var(--text-ui);color:var(--text);text-overflow:ellipsis;white-space:nowrap;line-height:1.45;display:block;overflow:hidden}.stat-where{align-items:center;gap:var(--space-sm);margin-top:var(--space-2xs);font-size:var(--text-label);color:var(--text-muted);display:flex}.stat-bar{border-radius:var(--radius-pill);background:var(--surface-2);height:5px;display:block;overflow:hidden}.stat-bar i{border-radius:var(--radius-pill);background:var(--accent-action);height:100%;display:block}.stats-controls{align-items:center;gap:var(--space-sm);margin-bottom:var(--space-lg);display:flex}.stats-filter{margin:0}.footer-links{gap:var(--space-lg);flex-wrap:wrap;justify-content:center;display:flex}.submission-head{margin:0}.submission-reply textarea{width:100%}.thread-reply 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.muted{font-size:var(--text-small);color:var(--text-muted)}.dash-group-waiting .dash-number{color:var(--accent)}.dash-grid{gap:var(--space-md)}.dash-group-heading{font-family:var(--font-heading);font-size:var(--text-label);letter-spacing:.05em}.dash-card ul,.dash-activity{margin:0;padding:0;list-style:none}.dash-feed{margin-top:var(--space-2xl)}.dash-feed-head{align-items:baseline;gap:var(--space-md);margin-bottom:var(--space-2xs);display:flex}.dash-feed-head .dash-group-heading{margin:0}.dash-feed-head a{font-size:var(--text-small);color:var(--text-muted);margin-left:auto;text-decoration:none}.dash-feed-head a:hover,.dash-feed-head a:focus-visible{color:var(--accent);text-decoration:underline}.dash-activity li{align-items:baseline;gap:var(--space-lg);padding:var(--space-sm) 0;border-bottom:1px solid 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var(--border);border-radius:var(--radius-panel);background:var(--surface);grid-template-columns:minmax(0,14rem) minmax(0,1fr);align-items:center;display:grid}.dash-traffic-figure .dash-number,.dash-traffic .traffic-chart{margin:0}.dash-traffic .traffic-bars{height:var(--space-4xl);gap:2px}.dash-sublabel{margin:var(--space-md) 0 var(--space-2xs);font-size:var(--text-label);letter-spacing:.05em;text-transform:uppercase;color:var(--text-muted);font-weight:700}.dash-sublabel:first-child{margin-top:0}@media (width<=60rem){.dash-traffic{grid-template-columns:minmax(0,1fr)}}.traffic-chart{margin:var(--space-md) 0 0}.traffic-bars{height:var(--space-3xl);align-items:flex-end;gap:1px;display:flex}.traffic-bar{background:var(--accent);border-radius:var(--radius-hairline) var(--radius-hairline) 0 0;flex:1;min-height:0}.traffic-chart figcaption{margin-top:var(--space-xs)}.presenter{--presenter-step:calc(17 / 15);--text-label:calc(var(--rung-1) * 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output{font-variant-numeric:tabular-nums;min-width:3ch}.projector-body{flex-direction:column;min-height:100vh;display:flex}.projector-body>:not(.projector-nav){width:100%;max-width:68rem;padding-inline:var(--space-3xl);margin-inline:auto}.projector-body>:first-child{margin-top:var(--space-2xl)}.projector-header h1{font-family:var(--font-heading);font-size:var(--heading-3);letter-spacing:-.01em;color:var(--presenter-text-muted);margin:0;font-weight:700}.presenting .quiz-question{font-size:calc(var(--heading-2) * var(--presenter-question-scale,1));font-family:var(--font-heading);font-weight:800;line-height:1.25}.presenting .quiz-choices{margin-top:var(--space-xl);gap:var(--space-md);font-size:calc(var(--text-ui) * var(--presenter-choice-scale,1));flex-direction:column;padding-block:0;list-style:none;display:flex}.presenting .quiz-choice .rich-content>:first-child{margin-top:0}.presenting .quiz-choice .rich-content>:last-child{margin-bottom:0}.presenting .quiz-choice{font-size:inherit;padding:calc(var(--space-md) * var(--presenter-step) * var(--presenter-choice-scale,1)) calc(var(--space-lg) * var(--presenter-step) * var(--presenter-choice-scale,1))}.presenting .quiz-choice.correct,.presenting .quiz-choice.correct:hover:not(:disabled){background:color-mix(in srgb, var(--presenter-correct) 18%, transparent);border-color:var(--presenter-correct)}.presenting .quiz-choice.wrong,.presenting .quiz-choice.wrong:hover:not(:disabled){background:color-mix(in srgb, var(--presenter-wrong) 15%, transparent);border-color:var(--presenter-wrong)}.presenting .quiz-choice .choice-label{color:inherit;opacity:.7;flex-shrink:0;font-weight:700}.projector-explanation,.teacher-explanation{margin-top:var(--space-xl);padding:var(--space-lg) var(--space-lg);border:1px solid var(--presenter-border);border-radius:var(--radius-control);font-size:calc(var(--text-lead) * var(--presenter-explanation-scale,1))}.projector-verdict.inconsistent{margin-top:var(--space-lg);color:var(--presenter-timer)}.projector{--presenter-foot:4rem}.projector-nav{align-items:center;gap:var(--space-md);padding:var(--space-md) var(--space-xl);border-top:1px solid var(--presenter-border);background:var(--presenter-surface);margin-top:auto;display:flex}.projector-count{font-family:var(--font-mono);font-size:var(--text-small);color:var(--presenter-text-muted);margin-right:auto}.presenter-timer{top:var(--space-xl);right:var(--space-xl);z-index:55;padding:var(--space-sm) var(--space-lg);font-family:var(--font-mono);font-size:var(--text-figure-xl);font-variant-numeric:tabular-nums;color:var(--presenter-text);border:1px solid var(--presenter-border);border-radius:var(--radius-panel);background:var(--presenter-scrim);font-weight:500;position:fixed}.presenter-timer.paused{opacity:.6}.presenter-timer.expired{color:var(--accent);border-color:var(--accent)}.presenter.teacher{--presenter-step:1;background:var(--bg);color:var(--text-body);display:block}.presenter.teacher .teacher-question.presenting{--presenter-step:calc((17 / 15) * .75);--text-ui:calc(var(--rung-3) * var(--presenter-step));--text-lead:calc(var(--rung-4) * var(--presenter-step));--heading-2:calc(var(--rung-7) * var(--presenter-step))}.teacher-topbar{z-index:2;align-items:center;gap:var(--space-lg);min-height:3.75rem;padding:var(--space-sm) var(--space-xl);background:var(--header-bg);border-bottom:1px solid var(--border);flex-wrap:wrap;display:flex;position:sticky;top:0}.teacher-quizname{font-size:var(--text-small);margin:0 0 0 auto}.teacher-columns{grid-template-columns:16rem minmax(0,1fr) 15rem;align-items:start;min-height:calc(100vh - 3.75rem);display:grid}.teacher-questions{max-height:calc(100vh - 3.75rem);padding:var(--space-lg) var(--space-md);background:var(--surface);border-right:1px solid var(--border);align-self:stretch;position:sticky;top:3.75rem;overflow-y:auto}.teacher-questions-head{align-items:baseline;gap:var(--space-sm);margin-bottom:var(--space-md);display:flex}.teacher-questions-head h2{font-family:var(--font-heading);font-weight:800;font-size:var(--text-ui);color:var(--text);margin:0}.teacher-questions-count{font-size:var(--text-small);color:var(--text-muted);margin-left:auto}.teacher-questions ol{margin:0;padding:0;list-style:none}.teacher-questions li{align-items:center;gap:var(--space-3xs);display:flex}.teacher-question-row{align-items:baseline;gap:var(--space-sm);text-align:left;min-width:0;padding:var(--space-2xs) var(--space-xs);color:var(--text-body);border-radius:0 var(--radius-tag) var(--radius-tag) 0;font-size:var(--text-small);background:0 0;border:none;border-left:2px solid #0000;flex:1;display:flex}.teacher-question-row .jump-number{width:1.125rem;font-family:var(--font-mono);font-size:var(--text-label);color:var(--text-muted);font-variant-numeric:tabular-nums;flex:none}.teacher-question-row .jump-preview{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.teacher-question-row:hover:not(:disabled){background:var(--surface-2);color:var(--text)}.teacher-question-row.is-shown .jump-number{color:var(--correct)}.teacher-question-row.is-current{background:var(--surface-2);border-left-color:var(--accent);color:var(--text);font-weight:600}.teacher-question-row.is-flagged:after{content:"";border-radius:var(--radius-circle);background:var(--warn);flex:none;width:.375rem;height:.375rem;margin-left:auto}.jump-push{padding:var(--space-3xs) var(--space-2xs);font-size:var(--text-label);color:var(--text-muted);border:1px solid var(--border);border-radius:var(--radius-tag);background:0 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.print-sheet{width:var(--print-page-width,720px);height:var(--print-page-height,960px);break-after:page;page-break-after:always;overflow:hidden}body.print-annotated .print-sheet:last-child{break-after:auto;page-break-after:auto}body.print-annotated .print-sheet img{width:var(--print-page-width,720px);display:block}@page{size:letter portrait;margin:.5in}}.modal-header,.modal h2:first-of-type:not(.modal-header *){margin-top:calc(var(--space-xl) * -1);margin-inline:calc(var(--space-xl) * -1);padding:var(--space-lg) var(--space-xl) var(--space-md);padding-right:calc(var(--space-xl) + var(--space-2xl))}.modal:has(>.modal-back) h2:first-of-type:not(.modal-header *){padding-left:calc(var(--space-xl) + var(--control-height-sm) + var(--space-sm))}.modal-footer,.modal .actions:not(.column):last-child{align-items:center;gap:var(--space-sm);margin-top:var(--space-lg);margin-inline:calc(var(--space-xl) * -1);margin-bottom:calc(var(--space-xl) * -1);padding:var(--space-lg) 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.muted{font-size:var(--text-small)}.role-dot.has-colour{background:var(--role-colour)}.role-name.has-colour>a,.role-name.has-colour,.person-name.has-colour,.person-name.has-colour>a,.person-name.has-colour>a:visited{color:var(--role-colour)}.person{align-items:center;gap:var(--space-2xs);min-width:0;display:inline-flex}.person>.role-label{line-height:1.25}.staff-name+.role-label{margin-left:var(--space-2xs)}h1.has-colour{color:var(--role-colour)}.role-members-wrap{display:flex;position:relative}button.role-members{height:auto;padding:var(--space-2xs) var(--space-xs);color:var(--text-muted);font-size:var(--text-small);border-radius:var(--radius-control);background:0 0;border:none}button.role-members:hover:not(:disabled){color:var(--text);background:var(--surface-2)}.role-members-popover{top:calc(100% + var(--space-2xs));z-index:20;min-width:13rem;padding:var(--space-xs);gap:var(--space-3xs);background:var(--surface);border:1px solid 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var(--text)}input.role-colour-value{width:var(--control-height);height:var(--control-height);border:1px solid var(--border-strong);border-radius:var(--radius-control);background:var(--bg);cursor:pointer;padding:2px}.role-colour-readout{font-family:var(--font-mono);font-size:var(--text-small);color:var(--text-muted)}.badge.has-colour{color:var(--role-colour);border-color:color-mix(in srgb, var(--role-colour) 45%, transparent);background:color-mix(in srgb, var(--role-colour) 12%, transparent)}.gc-cat-head{align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md) var(--space-lg);margin-bottom:var(--space-lg);border-bottom:1px solid var(--border);display:flex}.gc-cat-name{flex:1;min-width:8rem}.gc-cat-weight{flex:none;width:5.5rem}.gc-cat-drop{align-items:center;gap:var(--space-xs);font-size:var(--text-small);letter-spacing:normal;text-transform:none;color:var(--text-muted);flex-direction:row;flex:none;margin:0;font-weight:400;display:flex}.gc-cat-drop 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var(--space-lg);border-top:1px solid var(--border);padding:var(--space-xs) var(--space-lg);text-align:center;font-size:var(--text-small);color:var(--text-muted);flex-wrap:wrap;display:flex}.site-footer>p{margin:0}.footer-links{align-items:baseline;gap:var(--space-lg);display:flex}input[aria-invalid=true],select[aria-invalid=true],textarea[aria-invalid=true]{border-color:var(--wrong-border)}.template-editor .editor-title{font-size:var(--text-lead)}input[type=file]{height:var(--control-height);width:100%;max-width:22rem;padding:0 var(--space-md) 0 0;border:1px solid var(--border-strong);border-radius:var(--radius-control);background:var(--bg);color:var(--text-muted);font:inherit;font-size:var(--text-small);overflow:hidden}input[type=file]::file-selector-button{height:100%;margin-right:var(--space-md);padding:0 var(--space-md);border:none;border-right:1px solid var(--border-strong);background:var(--surface-2);color:var(--text-body);font:inherit;font-size:var(--text-small);cursor:pointer;border-radius:0;font-weight:600}input[type=date]::-webkit-calendar-picker-indicator{cursor:pointer;opacity:.55;filter:invert()}input[type=datetime-local]::-webkit-calendar-picker-indicator{cursor:pointer;opacity:.55;filter:invert()}input[type=time]::-webkit-calendar-picker-indicator{cursor:pointer;opacity:.55;filter:invert()}input[type=month]::-webkit-calendar-picker-indicator{cursor:pointer;opacity:.55;filter:invert()}input[type=week]::-webkit-calendar-picker-indicator{cursor:pointer;opacity:.55;filter:invert()}:root[data-theme=light] input[type=date]::-webkit-calendar-picker-indicator{filter:none}:root[data-theme=light] input[type=datetime-local]::-webkit-calendar-picker-indicator{filter:none}:root[data-theme=light] input[type=time]::-webkit-calendar-picker-indicator{filter:none}:root[data-theme=light] input[type=month]::-webkit-calendar-picker-indicator{filter:none}:root[data-theme=light] input[type=week]::-webkit-calendar-picker-indicator{filter:none}input[type=date]::-webkit-calendar-picker-indicator:hover{opacity:1}input[type=datetime-local]::-webkit-calendar-picker-indicator:hover{opacity:1}input[type=time]::-webkit-calendar-picker-indicator:hover{opacity:1}input[type=month]::-webkit-calendar-picker-indicator:hover{opacity:1}input[type=week]::-webkit-calendar-picker-indicator:hover{opacity:1}.session-actions-divider{width:1px;height:var(--space-lg);margin-inline:var(--space-xs);background:var(--border-strong);align-self:center}.queue-controls{align-items:center;gap:var(--space-sm);margin-bottom:var(--space-lg);flex-wrap:wrap;display:flex}.ownership-row{min-width:0;max-width:100%;height:var(--control-height);flex:0 auto;overflow:auto hidden}.ownership-row .segment{height:calc(var(--control-height) - var(--space-xs));gap:var(--space-xs);padding:0 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input[type=search]{width:16rem;max-width:40vw}.search-icon{width:.875rem;height:.875rem}.queue-owner{color:var(--text);font-weight:600}.queue-owner-slot{align-items:baseline;gap:var(--space-2xs);font-size:var(--text-small);flex:none;margin-left:auto;display:inline-flex}.queue-owner-label{color:var(--text-muted);font-weight:400}.queue-activity-who{color:var(--text-body);font-weight:600}.queue-merged-with{color:var(--text-muted);font-size:var(--text-small)}.queue-state-slot{align-items:center;gap:var(--space-2xs);flex:none;margin-left:auto;display:inline-flex}.tag-held,.tag-fup{background:var(--tag-tbd-bg);color:var(--tag-tbd-text)}.tag-mine{background:var(--tag-ok-bg);color:var(--tag-ok-text)}.tag-new{background:var(--tag-accent-bg);color:var(--tag-accent-text)}.tag-bug{background:var(--callout-important-bg);color:var(--callout-important-title)}.tag-idea{background:var(--callout-note-bg);color:var(--callout-note-title)}.tag-fb,.tag-dup{background:var(--callout-example-bg);color:var(--callout-example-title)}.tag-blocking{background:var(--wrong-bg);color:var(--wrong)}.tag-mute{background:var(--tag-quiet-bg);color:var(--tag-quiet-text)}.tag-decided{background:var(--tag-quiet-bg);color:var(--tag-quiet-text);font-weight:600}.author-automatic{padding:0 var(--space-xs);border-radius:var(--radius-tag);font-family:var(--font-heading);font-size:var(--text-label);white-space:nowrap;vertical-align:middle;background:var(--accent);color:var(--on-accent);font-weight:700;line-height:1.6;display:inline-block}.thread-who:has(>.author-automatic)>b{color:var(--accent)}.thread-note-preview{margin:var(--space-md) 0;padding:var(--space-sm) var(--space-md);border-left:2px solid var(--border);color:var(--text-muted)}.held-panel{margin-bottom:var(--space-lg);padding:var(--space-md) var(--space-lg);border:1px solid var(--thread-held-border);border-radius:var(--radius-block);background:var(--thread-held-bg)}.held-panel.settled{border-color:var(--border);background:var(--surface)}.held-head{justify-content:space-between;align-items:baseline;gap:var(--space-md);margin:0 0 var(--space-sm);display:flex}.held-head .rail-label{color:var(--callout-warning-title);margin:0}.held-why{font-size:var(--text-small);color:var(--callout-warning-body);margin:0;line-height:1.55}.held-why code{font-family:var(--font-mono,ui-monospace, monospace);color:var(--text)}.held-lead{margin-bottom:var(--space-sm)}.held-foot{margin:var(--space-md) 0 0;font-size:var(--text-label);color:var(--callout-warning-body);opacity:.85;line-height:1.5}.held-terms{gap:var(--space-2xs) var(--space-md);margin:var(--space-sm) 0;font-size:var(--text-small);grid-template-columns:auto 1fr;display:grid}.held-terms>div{display:contents}.held-terms dt{color:var(--text-muted)}.held-terms code{font-family:var(--font-mono,ui-monospace, monospace)}.held-reasons{margin:var(--space-sm) 0;padding-left:var(--space-lg);color:var(--text-body);font-size:var(--text-small)}.held-actions{align-items:center;gap:var(--space-sm);margin-top:var(--space-md);flex-wrap:wrap;display:flex}.held-actions>button{height:var(--control-height-sm);padding:0 var(--space-md);font-size:var(--text-label)}.held-panel .held-actions>button.quiet{background:var(--surface-2);border-color:var(--callout-warning-border);color:var(--text-body)}.held-panel>p.muted{margin-top:var(--space-sm);font-size:var(--text-label);color:var(--callout-warning-body);opacity:.85;line-height:1.5}.thread-closed-note{margin:var(--space-xl) 0 0;text-align:center;font-size:var(--text-small);color:var(--text-muted)}.thread-message.final .thread-bubble{border-color:var(--thread-final-border);background:var(--thread-final-bg);color:var(--thread-final-text)}.thread-message.final .thread-bubble strong,.thread-message.final .thread-bubble b{color:inherit}.thread-event{justify-content:space-between;align-items:baseline;gap:var(--space-md);padding:var(--space-sm) var(--space-md);border:1px dashed var(--border-strong);border-radius:var(--radius-block);color:var(--text-muted);font-size:var(--text-label);margin:0;display:flex}.thread-who-gone>b{color:var(--text-muted);font-weight:600}.thread-gone-row{align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);border:1px dashed var(--border-strong);border-radius:var(--radius-block);color:var(--text-muted);font-size:var(--text-small);margin:0;display:flex}.thread-gone-row b{color:var(--text-body);font-weight:600}.thread-gone-mark{color:var(--tag-quiet-text);flex:none}.thread-gone-open{flex:none;margin-left:auto}button.thread-edited{color:var(--text-muted);font-size:var(--text-label);text-underline-offset:2px;cursor:pointer;background:0 0;border:none;padding:0;font-weight:600;text-decoration:underline}button.thread-edited:hover{color:var(--text-body)}.history-modal{width:min(34rem,94vw)}.version-list{gap:var(--space-md);flex-direction:column;margin:0;padding:0;list-style:none;display:flex}.version{padding:var(--space-md);border:1px solid var(--border);border-radius:var(--radius-block);background:var(--surface-2)}.version-head{justify-content:space-between;align-items:baseline;gap:var(--space-md);margin:0 0 var(--space-sm);display:flex}.version-label{font-size:var(--text-label);letter-spacing:.05em;text-transform:uppercase;color:var(--text-muted);font-weight:700}.version-current .version-label{color:var(--tag-ok-text)}.version-body{color:var(--text);font-size:var(--text-small)}.version-hidden{padding:var(--space-lg);border:1px dashed var(--border-strong);border-radius:var(--radius-block);justify-content:center;margin:0;display:flex}.facts{gap:var(--space-xs);margin:0 0 var(--space-lg);display:grid}.facts>div{gap:var(--space-md);grid-template-columns:7rem 1fr;align-items:baseline;display:grid}.facts dt{color:var(--text-muted);font-size:var(--text-small)}.facts dd{color:var(--text-body);font-size:var(--text-small);margin:0}.thread-message-actions{gap:var(--space-md);margin-left:auto;display:inline-flex}.thread-plain-edit{width:100%;padding:var(--space-md);border:1px solid var(--border-strong);border-radius:var(--radius-block);background:var(--surface-2);color:var(--text);font-family:inherit;font-size:var(--text-small);resize:vertical;line-height:1.6}.thread-message-edit{gap:var(--space-md);flex-direction:column;display:flex}.mention-live,.hl-mention{padding:0 var(--space-2xs);border-radius:var(--radius-tag);background:var(--mention-bg);color:var(--mention-text);font-weight:600}.thread-ref-live{color:var(--accent);font-weight:600}.mention{cursor:pointer}.mention-student{cursor:text}.mention-list{z-index:20;min-width:15rem;max-width:22rem;padding:var(--space-2xs);border:1px solid var(--border);border-radius:var(--radius-panel);background:var(--surface);box-shadow:var(--shadow-popover)}.mention-list ul{margin:0;padding:0;list-style:none}.mention-option{gap:var(--space-sm);width:100%;padding:var(--space-2xs) var(--space-xs);border-radius:var(--radius-control);color:var(--text);text-align:left;cursor:pointer;background:0 0;border:0;align-items:center;display:flex}.mention-option:hover,.mention-option.active{background:var(--surface-2)}.mention-avatar{border-radius:var(--radius-circle);background:var(--tag-quiet-bg);width:1.75rem;height:1.75rem;color:var(--text-muted);font-size:var(--text-label);object-fit:cover;flex:none;place-items:center;font-weight:700;display:grid}.mention-names{flex-direction:column;min-width:0;line-height:1.2;display:flex}.mention-username{color:var(--text-muted);font-size:var(--text-label)}.mention{padding:0 var(--space-2xs);border-radius:var(--radius-tag);background:var(--mention-bg);color:var(--mention-text);font-weight:600}.thread-bubble .thread-ref,.thread-note-body .thread-ref,.rich-content .thread-ref{color:var(--accent);font-family:var(--font-mono,ui-monospace, monospace);font-size:var(--text-inline)}.thread-bubble .thread-ref{cursor:pointer}.thread-owned{align-items:flex-start;gap:var(--space-md);margin:0 0 var(--space-lg);padding:var(--space-md) var(--space-lg);border:1px solid var(--callout-warning-border);border-radius:var(--radius-panel);background:var(--callout-warning-bg);display:flex}.thread-owned p{font-size:var(--text-small);color:var(--callout-warning-body);margin:0;line-height:1.5}.thread-owned strong{color:var(--accent);font-weight:700}.thread-owned-mark{color:var(--callout-warning-title);font-size:var(--text-ui);flex:none;line-height:1.4}.confirm-preview{margin:var(--space-md) 0;padding:var(--space-md);border:1px solid var(--border);border-radius:var(--radius-block);background:var(--surface);max-height:14rem;overflow-y:auto}.checkbox-row{align-items:flex-start;gap:var(--space-sm);margin:var(--space-md) 0;font-size:var(--text-small);letter-spacing:normal;text-transform:none;color:var(--text-body);flex-direction:row;font-weight:400;display:flex}.checkbox-row>input[type=checkbox]{margin-top:var(--space-3xs);flex:none}.thread-toolbar{align-items:center;gap:var(--space-sm);margin:var(--space-lg) 0;flex-wrap:wrap}.decision-row{gap:var(--space-xs);margin:var(--space-md) 0;border:0;flex-wrap:wrap;padding:0;display:flex}.decision-row legend{margin-bottom:var(--space-2xs);color:var(--text-muted);font-size:var(--text-label);letter-spacing:.06em;text-transform:uppercase}.decision{align-items:center;gap:var(--space-2xs);height:var(--control-height-sm);padding:0 var(--space-md);border:1px solid var(--border-strong);border-radius:var(--radius-block);color:var(--text-muted);font-size:var(--text-label);letter-spacing:normal;text-transform:none;cursor:pointer;background:0 0;flex-direction:row;font-weight:600;display:inline-flex}.decision input[type=radio]{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.decision.on{border-color:var(--correct-border);background:var(--correct-bg);color:var(--correct)}.decision:focus-within{outline:2px solid var(--accent);outline-offset:2px}.thread-final-tag{padding:var(--space-3xs) var(--space-xs);border-radius:var(--radius-tag);background:var(--thread-final-bg);color:var(--correct);font-size:var(--text-micro);letter-spacing:.05em;text-transform:uppercase;white-space:nowrap;font-weight:700}.decision-badge{margin-bottom:var(--space-sm);padding:var(--space-2xs) var(--space-sm);border-radius:var(--radius-tag);background:var(--tag-quiet-bg);color:var(--tag-quiet-text);font-size:var(--text-label);letter-spacing:.04em;text-transform:uppercase;font-weight:700;display:inline-block}.decision-badge.decision-declined{background:var(--tag-tbd-bg);color:var(--tag-tbd-text)}.decision-badge.decision-accepted,.decision-badge.decision-done{background:var(--tag-ok-bg);color:var(--tag-ok-text)}.settings-block{margin:var(--space-lg) 0;padding-bottom:var(--space-md);border-bottom:1px solid var(--border)}.settings-block:last-of-type{border-bottom:0}.assign-row,.link-row{align-items:center;gap:var(--space-sm);margin-top:var(--space-sm);flex-wrap:wrap;display:flex}.thread-link-list{margin:var(--space-sm) 0;padding-left:var(--space-lg);color:var(--text-body);font-size:var(--text-small)}.participants{gap:var(--space-xs);margin:var(--space-sm) 0;color:var(--text-body);font-size:var(--text-small);flex-direction:column;padding:0;list-style:none;display:flex}.participants-kind{margin:var(--space-sm) 0 0;font-size:var(--text-small);color:var(--text-muted);font-weight:600}.rail-label+.participants-kind{margin-top:0}.participant{align-items:center;gap:var(--space-sm);min-width:0;display:flex}.participant-who{text-overflow:ellipsis;white-space:nowrap;flex:0 auto;min-width:0;overflow:hidden}.participant-avatar{border-radius:var(--radius-circle);background:var(--surface-2);width:1.375rem;height:1.375rem;color:var(--text-body);font-size:var(--text-micro);flex:none;place-items:center;font-weight:700;display:inline-grid}.participant-did{text-overflow:ellipsis;white-space:nowrap;min-width:0;color:var(--text-muted);font-size:var(--text-label);flex:auto;overflow:hidden}.participant-name{color:var(--text);font-weight:600}.follower-list>summary{cursor:pointer;color:var(--text-body);font-size:var(--text-small)}.follower-list>summary:hover{color:var(--text)}.follower-list[open]>summary{margin-bottom:var(--space-2xs)}.assign-row .grow{flex:10rem;min-width:0}.assign-who{flex:auto;margin:0}.modal-footer,.modal .actions:not(.column):last-child{bottom:calc(var(--space-xl) * -1);background:var(--surface);position:sticky}.bell-wrap{display:inline-flex;position:relative}.bell{border-radius:var(--radius-control);width:1.875rem;height:1.875rem;color:var(--text-muted);cursor:pointer;background:0 0;border:1px solid #0000;justify-content:center;align-items:center;padding:0;display:inline-flex;position:relative}.bell:hover,.bell:focus-visible,.bell[aria-expanded=true]{background:var(--surface-2);color:var(--text)}.bell svg{width:.9rem;height:.9rem}.bell-count{border:1px solid var(--header-bg);border-radius:var(--radius-pill);background:var(--accent-action);min-width:.625rem;height:.625rem;color:var(--on-accent);font-size:var(--text-micro);justify-content:center;align-items:center;padding:0 1px;font-weight:700;line-height:1;display:inline-flex;position:absolute;top:-.25rem;right:-.25rem}.bell-panel{top:calc(100% + var(--space-xs));z-index:40;width:min(23rem,100vw - 2rem);max-height:calc(var(--visible-height,100vh) * .7);padding:var(--space-md);border:1px solid var(--border);border-radius:var(--radius-block);background:var(--surface);box-shadow:var(--shadow-popover);position:absolute;right:0;overflow-y:auto}.bell-head{justify-content:space-between;align-items:baseline;gap:var(--space-md);margin-bottom:var(--space-sm);display:flex}.bell-head h2{font-size:var(--text-ui)}.bell-day ul{margin:0 0 var(--space-md);padding:0;list-style:none}.bell-item{align-items:start;gap:var(--space-md);width:100%;padding:var(--space-md);border-radius:var(--radius-block);color:var(--text-body);font-size:var(--text-small);text-align:left;cursor:pointer;background:0 0;border:0;grid-template-columns:1.875rem minmax(0,1fr);font-weight:400;display:grid}.bell-item.unread{background:var(--surface-2);color:var(--text)}.bell-icon{border-radius:var(--radius-block);background:var(--tag-quiet-bg);width:1.875rem;height:1.875rem;color:var(--tag-quiet-text);font-size:var(--text-label);place-items:center;display:inline-grid}.bell-icon[data-kind=mention]{background:var(--mention-bg);color:var(--mention-text)}.bell-icon[data-kind=reply],.bell-icon[data-kind=foreign_reply]{background:var(--tag-tbd-bg);color:var(--tag-tbd-text)}.bell-icon[data-kind=followed_reply]{background:var(--tag-quiet-bg);color:var(--tag-quiet-text)}.bell-icon[data-kind=linked],.bell-icon[data-kind=merged]{background:var(--callout-example-bg);color:var(--callout-example-title)}.bell-icon[data-kind=session]{background:var(--callout-tip-bg);color:var(--callout-tip-title)}.bell-body{min-width:0;line-height:1.5}.bell-when{margin-top:var(--space-2xs);font-size:var(--text-label);color:var(--text-muted);display:block}.bell-panel{padding:0}.bell-head{padding:var(--space-md) var(--space-lg);border-bottom:1px solid var(--border);margin:0}.bell-day>.rail-label{padding:var(--space-sm) var(--space-lg) var(--space-2xs);background:var(--bg);margin:0}.bell-day ul{margin:0}.bell-day li+li,.bell-day+.bell-day{border-top:1px solid var(--border)}.bell-item{border-radius:0}.thread-ask-again{margin-top:var(--space-lg);padding-top:var(--space-md);border-top:1px solid var(--border)}.thread-ask-again .hint{margin-top:var(--space-2xs);display:block}.audit-search{align-items:center;gap:var(--space-sm);margin-bottom:var(--space-sm);flex-wrap:wrap;display:flex}.audit-search input[type=search]{max-width:6rem}.queue-row-wrap{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-block);padding:var(--space-md) var(--space-lg);margin-bottom:var(--space-sm);position:relative}.queue-row-wrap:hover{border-color:var(--border-strong)}.queue-row-wrap.flagged{border-color:var(--thread-held-border);background:var(--thread-held-bg)}.queue-row-wrap.blocking{border-color:var(--wrong-border)}.queue-row-wrap>.queue-row{background:0 0;border:0;border-radius:0;margin:0;padding:0}.queue-row-wrap>.queue-row:hover{border-color:#0000}.queue-row-actions{right:var(--space-lg);bottom:var(--space-md);align-items:center;gap:var(--space-xs);display:flex;position:absolute}.queue-row-actions>button{height:var(--control-height-sm);padding:0 var(--space-md);font-size:var(--text-label)}.pt-editor{gap:var(--space-sm);flex-direction:column;display:flex}.pt-frame{border:1px solid var(--border-strong);border-radius:var(--radius-control);background:var(--bg)}.pt-frame:focus-within{border-color:var(--accent)}.pt-palette{gap:var(--space-2xs);padding:var(--space-xs);border-bottom:1px solid var(--border);background:var(--surface-2);border-top-left-radius:calc(var(--radius-control) - 1px);border-top-right-radius:calc(var(--radius-control) - 1px);flex-wrap:wrap;display:flex}.pt-palette button{min-width:var(--control-height-sm);height:var(--control-height-sm);padding:0 var(--space-sm);border:1px solid var(--border-strong);border-radius:var(--radius-control);background:var(--surface-2);color:var(--text-body);font-size:var(--text-small)}.pt-palette button:hover{border-color:var(--accent);color:var(--text)}.pt-palette button.on{border-color:var(--accent);background:color-mix(in srgb, var(--accent) 16%, transparent);color:var(--text)}.pt-preview{padding:var(--space-md);border:1px solid var(--border);border-radius:var(--radius-block);background:var(--surface-2)}.pt-preview>.thread-body{margin-top:var(--space-2xs)}.pt-surface-wrap{position:relative}.pt-surface{padding:var(--space-md);background:var(--bg);color:var(--text);font-size:var(--text-small);white-space:pre-wrap;word-break:break-word;border:0;outline:none;line-height:1.7}.pt-surface:focus-visible{outline:none}.pt-placeholder{top:var(--space-md);left:var(--space-md);color:var(--text-muted);font-size:var(--text-small);pointer-events:none;margin:0;line-height:1.7;position:absolute}.hl-code,.hl-fence{border-radius:var(--radius-tag);background:var(--surface-3,var(--surface-2));font-family:var(--font-mono);font-size:var(--text-inline);color:var(--text-body)}.hl-code{padding:var(--space-inline)}.hl-fence{padding:var(--space-sm);border:1px solid var(--border);background:var(--bg);display:block}.hl-math{padding:var(--space-inline);border-radius:var(--radius-tag);background:var(--callout-example-bg);color:var(--callout-example-title)}.pt-code{padding:var(--space-md) var(--space-lg);border:1px solid var(--border);border-radius:var(--radius-block);background:color-mix(in srgb, currentColor 5%, transparent);font-family:var(--font-mono);font-size:var(--text-inline);white-space:pre;overflow-x:auto}.pt-code>code{font:inherit;background:0 0;border:none;padding:0}.pt-inline-code{padding:var(--space-inline);border:1px solid var(--border);border-radius:var(--radius-tag);background:color-mix(in srgb, currentColor 7%, transparent);font-family:var(--font-mono);font-size:var(--text-inline);white-space:break-spaces}.pt-math-raw{font-family:var(--font-mono);color:var(--text-muted)}.preview-text{min-width:0}.preview-text .katex{font-size:inherit;line-height:inherit}.preview-text .katex-display{text-align:inherit;margin:0;display:inline-block}.thread-follow{align-items:center;gap:var(--space-2xs);display:inline-flex}.thread-follow.on{border-color:var(--accent);color:var(--text)}.thread-follow-mark{font-size:var(--text-label);line-height:1}.thread-follow.on .thread-follow-mark{color:var(--accent)}.thread-follow:disabled{cursor:not-allowed;opacity:1;color:var(--text-muted)}.thread-follow.on:disabled{border-color:color-mix(in srgb, var(--accent) 45%, transparent)}.pt-code.code-numbered{padding-left:var(--space-3xl);position:relative}.pt-code.code-numbered>code{counter-reset:code-line}.pt-code.code-numbered .code-line{display:block;position:relative}.pt-code.code-numbered .code-line:before{counter-increment:code-line;content:counter(code-line);left:calc(var(--space-3xl) * -1);width:var(--space-2xl);text-align:right;color:color-mix(in srgb, currentColor 45%, transparent);-webkit-user-select:none;user-select:none;position:absolute}.pt-code.code-wrap{white-space:pre-wrap;overflow-wrap:anywhere;overflow-x:visible}.thread-tabs{gap:var(--space-3xs);padding:var(--space-sm) var(--space-md) 0;margin-inline:calc(var(--space-xl) * -1);border-bottom:1px solid var(--border);flex-wrap:wrap;display:flex}.thread-tab{appearance:none;padding:var(--space-sm) var(--space-md) var(--space-sm);font-size:var(--text-label);color:var(--text-muted);cursor:pointer;background:0 0;border:0;border-bottom:2px solid 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var(--space-sm);gap:var(--space-sm);flex-direction:column;padding:0;list-style:none;display:flex}.rename-row{grid-template-columns:var(--control-height-sm) 1fr auto;gap:var(--space-sm);align-items:center;display:grid}.settings-danger{margin-top:var(--space-lg);padding-top:var(--space-lg);border-top:1px solid var(--border)}.thread-note-head{align-items:center;gap:var(--space-sm);flex-wrap:wrap;display:flex}.thread-note-head .avatar{flex-shrink:0}.thread-note-edited{font-size:var(--text-label);color:var(--text-muted);border-bottom:1px dotted var(--border-strong)}.thread-note-edited:hover{color:var(--text-body)}.thread-note-edit{margin-top:var(--space-xs)}.thread-note-edit .actions{margin-top:var(--space-sm)}.link-tell{align-items:center;gap:var(--space-sm);margin-top:var(--space-sm);font-size:var(--text-small);color:var(--text-body);cursor:pointer;display:flex}.link-tell 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