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0;border-style:dashed}.estimate-summary-title{margin:0;font-size:.875rem;font-weight:600}.estimate-summary-title code{font-size:.8125rem;font-weight:500}.estimate-facts{gap:var(--space-2);margin:0;display:grid}.estimate-facts>div{gap:2px;min-width:0;display:grid}.estimate-facts dt{color:var(--color-text-secondary);font-size:.75rem}.estimate-facts dd{overflow-wrap:anywhere;margin:0;font-size:.875rem}.estimate-summary .usage-meta{margin:0}.meta-list{color:var(--color-text-secondary);margin:0;padding-left:1.25rem}.quiz-instructions{margin:var(--space-3) 0;padding:var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius-card);background:var(--color-elevated-surface)}.quiz-instructions h2,.quiz-instructions p{margin:0}.quiz-instructions h2{margin-bottom:var(--space-2);font-size:1rem}.quiz-instructions p{white-space:pre-wrap;overflow-wrap:anywhere}.question-list{gap:var(--space-3);margin:var(--space-3) 0 0;padding-left:1.25rem;display:grid}.question-list 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4px}.tree-row.selected .tree-label{color:var(--color-primary-accent);font-weight:600}.tree-label.subject{padding-left:var(--space-2);font-weight:600}.tree-empty{margin:var(--space-2) 0 0 var(--space-2)}.topic-picker{padding:var(--space-2) var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius-card);max-height:22rem;margin:0;overflow:auto}.topic-picker legend{color:var(--color-text-secondary);padding:0 4px;font-size:.875rem}.topic-picker>.tree{padding-left:0}.picker-check{flex:1;align-items:center;gap:8px;min-width:0;padding:6px 4px;display:flex}.picker-check input{flex:none}.picker-check span{overflow-wrap:anywhere}.picker-check.whole{font-weight:600}.picker-check.incomplete{color:var(--color-text-secondary)}.picker-reason{color:var(--color-text-secondary);font-size:.8rem}.picker-note{margin:var(--space-2) 0 0}.detail-panel{min-width:0}.danger-row{margin-top:var(--space-4);padding-top:var(--space-3);border-top:1px solid var(--color-border)}@media (width<=720px){.workspace-body{grid-template-columns:1fr}.workspace-side{border-right:0;border-bottom:1px solid var(--color-border);padding:0 0 var(--space-3)}}.notes-form{gap:var(--space-2);margin:var(--space-4) 0;padding-top:var(--space-3);border-top:1px solid var(--color-border);display:grid}.suggestion{gap:var(--space-2);display:grid}.suggestion-request{align-items:center;gap:var(--space-3);flex-wrap:wrap;display:flex}button.secondary{background:var(--color-surface);color:var(--color-primary-accent);border:1px solid var(--color-primary-accent)}.suggestion-toggle{align-items:center;gap:6px;font-size:.9rem;display:inline-flex}.suggestion-review{gap:var(--space-2);padding:var(--space-3);border:1px solid var(--color-secondary-accent);border-radius:var(--radius-card);background:var(--color-elevated-surface);display:grid}.suggestion-review .eyebrow,.suggestion-context p{margin:0}.warning-text{padding:var(--space-2) var(--space-3);border-left:3px solid var(--color-warning);background:var(--color-surface);font-size:.875rem}.warning-text ul{margin:4px 0 0;padding-left:1.25rem}.md-editor{gap:6px;display:grid}.md-editor-head{justify-content:space-between;align-items:center;gap:var(--space-2);display:flex}.md-editor-label-row{align-items:center;gap:6px;min-width:0;display:inline-flex}.md-editor-label{color:var(--color-text-secondary);font-size:.875rem}.suggest-icon-btn{border:1px solid var(--color-border);border-radius:var(--radius-card);background:var(--color-surface);width:1.75rem;height:1.75rem;color:var(--color-primary-accent);justify-content:center;align-items:center;padding:0;line-height:1;display:inline-flex}.suggest-icon-btn:hover:not(:disabled),.suggest-icon-btn:focus-visible{border-color:var(--color-primary-accent);background:var(--color-elevated-surface)}.suggest-icon-btn:disabled{opacity:.55}.md-tabs{gap:4px;display:flex}.md-tab{color:var(--color-text-secondary);background:0 0;padding:4px 10px;font-size:.8125rem}.md-tab.active{background:var(--color-elevated-surface);color:var(--color-primary-accent);font-weight:600}.md-textarea{font:inherit;border:1px solid var(--color-border);border-radius:var(--radius-card);background:var(--color-surface);color:var(--color-text);resize:vertical;padding:10px 12px;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.9rem;line-height:1.5}.md-textarea:focus-visible{outline:2px solid var(--color-primary-accent);outline-offset:1px}.md-textarea[aria-invalid=true]{border-color:var(--color-error)}.md-preview{border:1px solid var(--color-border);border-radius:var(--radius-card);background:var(--color-background);min-height:6rem;padding:10px 12px}.md-count{justify-self:end;margin:0;font-size:.75rem}.markdown{overflow-wrap:anywhere;line-height:1.6}.markdown>:first-child{margin-top:0}.markdown>:last-child{margin-bottom:0}.markdown pre{padding:var(--space-2) 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.pagination{margin-left:auto}.compact-item-list .item-link{gap:2px;padding-block:6px}.compact-item-list .item-link .usage-meta{font-size:.8125rem}.scope-panel-pagination{align-items:center;gap:var(--space-2);margin-top:var(--space-2);flex-wrap:wrap;display:flex}.scope-panel-pagination p{color:var(--color-text-secondary);margin:0;font-size:.875rem}.subtopics-block{gap:var(--space-2);display:grid}.subtopics-block .section-head{align-items:baseline;gap:var(--space-2);flex-wrap:wrap;margin:0;display:flex}.subtopics-block h2{margin:0;font-size:1rem}.notes-form>.md-editor+.suggestion{margin-top:calc(-1 * var(--space-2))}.notes-actions{align-items:center}.workspace-side .documents{padding-top:var(--space-3);border-top:1px solid var(--color-border);margin:0}.documents{margin:var(--space-4) 0;padding-top:var(--space-3);border-top:1px solid var(--color-border)}.documents .section-head{margin-bottom:var(--space-2)}.doc-text{margin:var(--space-3) 0 0;max-height:32rem;padding:var(--space-3);background:var(--color-background);border:1px solid var(--color-border);border-radius:var(--radius-card);white-space:pre-wrap;overflow-wrap:anywhere;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.875rem;line-height:1.5;overflow:auto}.doc-actions{margin-top:var(--space-3)}.visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.study-history{overflow:hidden}.history-filters{gap:var(--space-3);margin:var(--space-3) 0;grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.quiz-library-filters{gap:var(--space-2);margin:var(--space-2) 0;grid-template-columns:1.25fr repeat(3,minmax(5rem,.7fr)) 1.25fr}.quiz-filter-panel{margin-bottom:var(--space-3);padding:var(--space-2) var(--space-3);border:1px solid 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li{padding:var(--space-3);background:var(--color-elevated-surface);border-radius:var(--radius-card);gap:4px;display:grid}.history-counts span{color:var(--color-text-secondary);font-size:.8125rem}.history-counts strong{overflow-wrap:anywhere}.activity-chart{grid-template-columns:repeat(var(--activity-columns), minmax(0, 1fr));min-width:0;margin-top:var(--space-3);padding:var(--space-3) var(--space-2) var(--space-2);border:1px solid var(--color-border);border-radius:var(--radius-card);background:var(--color-background);align-items:end;gap:4px;display:grid}.activity-bucket{flex-direction:column;align-items:center;gap:4px;min-width:0;height:9rem;display:flex}.activity-count{color:var(--color-text);font-size:.75rem;font-weight:600}.activity-bar{width:min(100%,1.5rem);height:var(--activity-height);border-radius:var(--radius-card) var(--radius-card) 2px 2px;background:var(--color-primary-accent);min-height:.5rem;margin-top:auto}.activity-bar.empty{background:var(--color-border);height:2px;min-height:2px}.activity-date{width:100%;color:var(--color-text-secondary);text-align:center;text-overflow:clip;white-space:nowrap;font-size:.625rem;overflow:hidden}.weakness-grid{gap:var(--space-4);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.weakness-grid>div{min-width:0}.detail-list{margin:var(--space-4) 0;gap:var(--space-2);padding:0;list-style:none;display:grid}.detail-list li{justify-content:space-between;gap:var(--space-3);padding:var(--space-3);background:var(--color-elevated-surface);border-radius:var(--radius-card);display:flex}.detail-list li span:first-child{color:var(--color-text-secondary)}.shell{flex-direction:column;min-height:100vh;display:flex}.shell-header{background:var(--color-surface);border-bottom:1px solid var(--color-border)}.shell-bar{width:min(100%,64rem);padding:var(--space-3);align-items:center;gap:var(--space-3);flex-wrap:wrap;margin:0 auto;display:flex}.brand{cursor:pointer;color:var(--color-primary-accent);background:0 0;border:0;padding:0;font-size:1.1rem;font-weight:700}.shell-nav{gap:var(--space-2);flex-wrap:wrap;flex:1;display:flex}.nav-link{border-radius:var(--radius-card);color:var(--color-text-secondary);cursor:pointer;background:0 0;border:0;padding:6px 10px;transition:background .15s,color .15s}.nav-link:hover{background:var(--color-elevated-surface);color:var(--color-text)}.nav-link.active{background:var(--color-elevated-surface);color:var(--color-primary-accent);font-weight:600}.shell-user{align-items:center;gap:var(--space-3);display:flex}.shell-user-name{color:var(--color-text-secondary);font-size:.9rem}.shell-main{width:min(100%,48rem);padding:var(--space-4) var(--space-3);flex:1;margin:0 auto}.shell-main .card{width:100%}@media (prefers-reduced-motion:reduce){.nav-link{transition:none}}@media (width<=480px){.card{padding:var(--space-4) var(--space-3)}.history-filters,.history-counts,.weakness-grid,.generation-facts{grid-template-columns:1fr}.activity-chart{gap:2px;padding-inline:4px}h1{font-size:1.5rem}.usage-title,.manifest-head,.usage-facts>div{flex-direction:column;align-items:flex-start}.usage-facts dd{text-align:left}.shell-bar{flex-direction:column;align-items:flex-start}}