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.dashboard-loading[data-astro-cid-m3shdxe4]{display:none}.dashboard-loading[data-astro-cid-m3shdxe4]{z-index:1;min-block-size:24rem;color:var(--ink-700);visibility:visible;place-content:center;animation:0s 6s forwards dashboard-loading-expire;display:grid;position:absolute;inset:4rem 0 auto}.dashboard-loading[data-astro-cid-m3shdxe4][hidden]{display:none}@keyframes dashboard-reveal{to{visibility:visible}}@keyframes dashboard-loading-expire{to{visibility:hidden}}.progress-heading[data-astro-cid-m3shdxe4]{justify-content:space-between;align-items:center;gap:var(--space-2);flex-wrap:wrap;display:flex}.workspace-section[data-astro-cid-m3shdxe4]{margin-top:var(--space-5);border-top:1px solid var(--divider-quiet);padding-top:var(--space-4)}.overview-controls[data-astro-cid-m3shdxe4]{align-items:start;gap:var(--space-3);margin-block:var(--space-3) var(--space-4);flex-wrap:wrap;display:flex}.overview-controls[data-astro-cid-m3shdxe4]:not(:has(>:not([hidden]))){display:none}.overview-controls[data-astro-cid-m3shdxe4]>.course-overview[data-astro-cid-m3shdxe4]{flex:20rem;margin:0}.overview-controls[data-astro-cid-m3shdxe4]>.session-options[data-astro-cid-m3shdxe4]{flex:18rem;max-inline-size:32rem;margin:0}.overview-controls[data-astro-cid-m3shdxe4]:has([data-course-start-panel]:not([hidden])){display:block}.overview-controls[data-astro-cid-m3shdxe4]:has([data-course-start-panel]:not([hidden]))>.session-options[data-astro-cid-m3shdxe4]{margin-block-start:var(--space-3)}.course-overview[data-astro-cid-m3shdxe4]{gap:var(--space-4);margin-block:var(--space-3) var(--space-4);padding:var(--space-4);border:1px solid var(--divider-quiet);border-radius:var(--radius-card);background:var(--surface-raised);display:grid}.course-overview[data-astro-cid-m3shdxe4]:not(:has([data-course-start-panel]:not([hidden]))){align-items:start;gap:var(--space-3);background:0 0;border:0;flex-wrap:wrap;padding:0;display:flex}.course-overview[data-astro-cid-m3shdxe4] .session-options[data-astro-cid-m3shdxe4]{margin:0}.course-overview[data-astro-cid-m3shdxe4]>details[data-astro-cid-m3shdxe4]{flex:18rem;max-inline-size:32rem}.course-overview[data-astro-cid-m3shdxe4]>details[data-astro-cid-m3shdxe4]>summary[data-astro-cid-m3shdxe4]{white-space:normal}.course-overview[data-astro-cid-m3shdxe4][hidden]{display:none}.course-overview__progress[data-astro-cid-m3shdxe4]{min-inline-size:0}.course-overview__progress[data-astro-cid-m3shdxe4]>a[data-astro-cid-m3shdxe4]{margin-block-start:var(--space-2)}.course-overview__progress[data-astro-cid-m3shdxe4] .lesson-completion{margin-block-end:0}@media (width>=48rem){.course-overview[data-astro-cid-m3shdxe4]:has([data-course-start-panel]:not([hidden])){grid-template-columns:minmax(0,1fr) minmax(0,1.5fr);align-items:center}}@media (width<=40rem){.course-overview[data-astro-cid-m3shdxe4]{padding:var(--space-3)}}.loop-dashboard[data-astro-cid-m3shdxe4] [id]{scroll-margin-top:6rem}.workspace-data[data-astro-cid-m3shdxe4]{margin-top:var(--space-4)}.loop-dashboard[data-astro-cid-m3shdxe4]{width:100%;overflow-wrap:anywhere;min-inline-size:0;max-width:64rem;margin:var(--space-4) 0 var(--space-6)}.loop-header[data-astro-cid-m3shdxe4]{justify-content:space-between;align-items:center;gap:var(--space-2) var(--space-4);padding-block:0 var(--space-4);flex-wrap:wrap;display:flex}.loop-dashboard[data-astro-cid-m3shdxe4]:has([data-needs-course]:not([hidden])) [data-astro-cid-m3shdxe4]:is(.topics-overview,[data-workspace-panel=review]:not([role=tabpanel])),.loop-dashboard[data-astro-cid-m3shdxe4]:has([data-needs-course]:not([hidden])) [data-astro-cid-m3shdxe4][data-workspace-panel=activity]:not([role=tabpanel]):not(:has([data-workspace-history]:not([hidden]),[data-workspace-activity-content]:not([hidden]))),.loop-dashboard[data-astro-cid-m3shdxe4]:has([data-workspace-panel=overview]:not([hidden]) [data-needs-course]:not([hidden])) .loop-header[data-astro-cid-m3shdxe4]{display:none}.workspace-actions[data-astro-cid-m3shdxe4]{gap:var(--space-2);flex-wrap:wrap;display:flex}.workspace-actions[data-astro-cid-m3shdxe4] [data-astro-cid-m3shdxe4][hidden]{display:none}.panel[data-astro-cid-m3shdxe4]{padding-block:var(--space-4);border-block:1px solid var(--line-200)}.session-options[data-astro-cid-m3shdxe4]{margin-top:var(--space-3);padding-top:var(--space-2);border-top:1px solid var(--divider-quiet)}.session-options[data-astro-cid-m3shdxe4] summary[data-astro-cid-m3shdxe4]{min-height:var(--control-height);cursor:pointer;color:var(--accent-700)}.panel[data-astro-cid-m3shdxe4]+.panel[data-astro-cid-m3shdxe4],.loop-header[data-astro-cid-m3shdxe4]+.panel[data-astro-cid-m3shdxe4]{margin-top:1rem}.next-panel[data-astro-cid-m3shdxe4]{padding:var(--space-4);border:1px solid var(--divider-quiet);border-radius:var(--radius-card);background:var(--surface-raised);margin-top:0}.next-panel[data-astro-cid-m3shdxe4]>h2[data-astro-cid-m3shdxe4]{margin-block:var(--space-1) var(--space-3)}.choose-course-panel[data-astro-cid-m3shdxe4]{text-align:start;max-width:none;padding-block:var(--space-2);place-items:start;margin-top:0}.choose-course-panel[data-astro-cid-m3shdxe4]>h2[data-astro-cid-m3shdxe4]{margin-block:var(--space-2);font-size:var(--type-section)}.choose-course-panel[data-astro-cid-m3shdxe4] .family-empty-state__actions[data-astro-cid-m3shdxe4]{justify-content:flex-start}.course-start-form[data-astro-cid-m3shdxe4]{width:100%;margin-block:var(--space-1) var(--space-2)}.course-start-form__finder[data-astro-cid-m3shdxe4]{margin-block-end:var(--space-3)}.course-start-form__finder[data-astro-cid-m3shdxe4]>label[data-astro-cid-m3shdxe4]{margin-block-end:var(--space-1);font-weight:650;display:block}.course-start-form__search[data-astro-cid-m3shdxe4]{gap:var(--space-2);flex-wrap:wrap;display:flex}.course-start-form__search[data-astro-cid-m3shdxe4] input[data-astro-cid-m3shdxe4]{flex:14rem;min-inline-size:0}.course-start-form__finder[data-astro-cid-m3shdxe4] p[data-astro-cid-m3shdxe4]{margin:var(--space-1) 0;color:var(--text-secondary);font-size:var(--type-meta)}.course-start-form__controls[data-astro-cid-m3shdxe4]{gap:var(--space-3);grid-template-columns:repeat(auto-fit,minmax(min(100%,17rem),1fr));display:grid}.course-start-choice[data-astro-cid-m3shdxe4]{align-items:start;gap:var(--space-2);min-inline-size:0;padding:var(--space-3);border:1px solid var(--control-boundary);border-radius:var(--radius-card);background:var(--surface-raised);color:var(--text-primary);text-align:start;white-space:normal;cursor:pointer;font:inherit;display:flex}.course-start-choice[data-astro-cid-m3shdxe4]>svg{color:var(--selected-fg);flex:none}.course-start-choice[data-astro-cid-m3shdxe4]>span[data-astro-cid-m3shdxe4]{gap:var(--space-2);min-width:0;display:grid}.course-start-choice[data-astro-cid-m3shdxe4] small[data-astro-cid-m3shdxe4]{color:var(--text-secondary);font-size:var(--type-meta);font-weight:400}.course-start-choice__action[data-astro-cid-m3shdxe4]{color:var(--link);font-weight:650}.course-start-choice[data-astro-cid-m3shdxe4]:is(:hover,:focus-visible){border-color:var(--link);background:var(--selected-bg)}.course-start-choice[data-astro-cid-m3shdxe4]:focus-visible{outline:var(--focus-ring-width) solid var(--focus-ring-color);outline-offset:var(--focus-ring-offset)}.course-start-form[data-astro-cid-m3shdxe4][aria-busy=true]{opacity:.75}[data-astro-cid-m3shdxe4][data-course-filter-summary]:focus-visible{outline:var(--focus-ring-width) solid var(--focus-ring-color);outline-offset:var(--focus-ring-offset)}@media (width<=40rem){.choose-course-panel[data-astro-cid-m3shdxe4]>h2[data-astro-cid-m3shdxe4]{font-size:var(--type-subsection)}}.learning-section[data-astro-cid-m3shdxe4]{margin-top:var(--space-6,3rem);padding-top:var(--space-4,1.5rem);border-top:1px solid var(--line-200)}.learning-section[data-astro-cid-m3shdxe4]>h2[data-astro-cid-m3shdxe4]{margin-bottom:var(--space-3,1rem)}.other-course-section[data-astro-cid-m3shdxe4]{margin-top:var(--space-4,1.5rem)}.attention-grid[data-astro-cid-m3shdxe4]{gap:var(--space-5,2rem);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.attention-section[data-astro-cid-m3shdxe4]{margin-top:var(--space-5,2rem)}.loop-header[data-astro-cid-m3shdxe4] nav[data-astro-cid-m3shdxe4],.loop-dashboard[data-astro-cid-m3shdxe4] .actions,.domain-links[data-astro-cid-m3shdxe4]{gap:var(--space-1);flex-wrap:wrap;display:flex}.course-filter-current[data-astro-cid-m3shdxe4]{align-items:center;gap:var(--space-1);display:inline-flex}.course-filter-loading[data-astro-cid-m3shdxe4]{visibility:hidden;flex:none;inline-size:1em}.loop-header[data-astro-cid-m3shdxe4][aria-busy=true] .course-filter-loading[data-astro-cid-m3shdxe4]{visibility:visible}.loop-dashboard[data-astro-cid-m3shdxe4]:has(>[data-workspace-panel=courses][role=tabpanel]:not([hidden]),>[data-workspace-panel=bookmarks][role=tabpanel]:not([hidden]),>[data-workspace-panel=saving][role=region]:not([hidden])) .loop-header[data-astro-cid-m3shdxe4]{display:none}.loop-header[data-astro-cid-m3shdxe4] nav[data-astro-cid-m3shdxe4]{padding-block-start:var(--space-1);display:grid}.loop-header[data-astro-cid-m3shdxe4] [data-astro-cid-m3shdxe4][data-course-context-source]{color:var(--text-secondary);padding:var(--space-2);font-size:var(--type-caption);display:block}.loop-header[data-astro-cid-m3shdxe4] .filter[data-astro-cid-m3shdxe4]{color:var(--text-primary);text-align:start;background:0 0;border-color:#0000;justify-content:flex-start}.loop-header[data-astro-cid-m3shdxe4] .filter[data-astro-cid-m3shdxe4][aria-pressed=true]{background:var(--selected-bg);color:var(--selected-fg);border-color:var(--control-boundary)}.data-controls[data-astro-cid-m3shdxe4] summary[data-astro-cid-m3shdxe4],.earlier-study[data-astro-cid-m3shdxe4] summary[data-astro-cid-m3shdxe4],.loop-dashboard[data-astro-cid-m3shdxe4] .plan-disclosure summary{width:fit-content;min-height:var(--control-height);color:var(--link);cursor:pointer;font-weight:650}.filter[data-astro-cid-m3shdxe4],.loop-dashboard[data-astro-cid-m3shdxe4] .button{min-height:2.75rem;padding:var(--space-1) var(--space-3);border:1px solid var(--accent-700);border-radius:var(--radius-control);color:var(--accent-700);background:var(--paper-card);font:700 var(--type-meta) / var(--leading-ui) var(--font-ui);cursor:pointer;justify-content:center;align-items:center;text-decoration:none;display:inline-flex}.loop-dashboard[data-astro-cid-m3shdxe4] .button{width:fit-content;padding:var(--space-1) var(--space-4);border-color:var(--control-boundary);color:var(--link);background:var(--surface-raised);font:650 var(--type-control) / 1.3 var(--font-ui)}.filter[data-astro-cid-m3shdxe4].active,.loop-dashboard[data-astro-cid-m3shdxe4] .primary{border-color:var(--action-bg);color:var(--action-fg);background:var(--action-bg)}.loop-dashboard[data-astro-cid-m3shdxe4] .button.danger{color:var(--paper-0);border-color:var(--danger-700);background:var(--danger-700)}.quiet-copy[data-astro-cid-m3shdxe4]{margin:var(--space-2,.75rem) 0 0;color:var(--ink-700);font-size:var(--type-meta)}.domain-links[data-astro-cid-m3shdxe4]{gap:0;display:grid}.domain-links[data-astro-cid-m3shdxe4] a[data-astro-cid-m3shdxe4]{gap:var(--space-0);padding-block:var(--space-2);border-top:1px solid var(--divider-quiet);text-decoration:none;display:grid}.domain-links[data-astro-cid-m3shdxe4] a[data-astro-cid-m3shdxe4][hidden]{display:none}.domain-links[data-astro-cid-m3shdxe4] a[data-astro-cid-m3shdxe4] span[data-astro-cid-m3shdxe4]{color:var(--text-secondary);font-size:var(--type-meta)}.stack[data-astro-cid-m3shdxe4]{gap:var(--space-2);display:grid}.stack[data-astro-cid-m3shdxe4] .plan-summary+.plan-summary,.quiet-list[data-astro-cid-m3shdxe4] .quiet-row+.quiet-row{padding-top:var(--space-3,1rem);border-top:1px solid var(--line-200)}.stack[data-astro-cid-m3shdxe4] .plan-summary[data-stale=true],.status-panel[data-astro-cid-m3shdxe4]{border-left:4px solid var(--warning-700);padding-left:var(--space-3,1rem)}.stack[data-astro-cid-m3shdxe4] .plan-summary h3,.quiet-list[data-astro-cid-m3shdxe4] .quiet-row h3,.quiet-list[data-astro-cid-m3shdxe4] .quiet-row p{margin-bottom:var(--space-0)}.stack[data-astro-cid-m3shdxe4] .plan-disclosure{margin-top:var(--space-2,.75rem)}.loop-dashboard[data-astro-cid-m3shdxe4] .activity-list{padding:var(--space-2,.75rem) 0 0;counter-reset:plan-step;gap:0;margin:0;list-style:none;display:grid}.loop-dashboard[data-astro-cid-m3shdxe4] .activity{gap:var(--space-0);padding:var(--space-2,.75rem) 0;border-top:1px solid var(--line-200);counter-increment:plan-step;display:grid}.loop-dashboard[data-astro-cid-m3shdxe4] .activity strong:before{content:counter(plan-step) ". ";color:var(--ink-500)}.loop-dashboard[data-astro-cid-m3shdxe4] .activity[data-complete=true]{opacity:.7}.next-panel[data-astro-cid-m3shdxe4] .next-recommendation h3{margin-bottom:var(--space-0);font-size:clamp(1.25rem,3vw,1.55rem)}.next-panel[data-astro-cid-m3shdxe4] .next-recommendation__activity{margin-bottom:var(--space-1);color:var(--ink-900);font-weight:700}.next-panel[data-astro-cid-m3shdxe4] .next-recommendation__reason,.next-panel[data-astro-cid-m3shdxe4] .next-recommendation__following{color:var(--ink-700);font-size:var(--type-meta)}.recommendation-controls[data-astro-cid-m3shdxe4]{gap:var(--space-2,.75rem);margin:var(--space-3,1rem) 0;display:grid}.recommendation-controls[data-astro-cid-m3shdxe4] fieldset[data-astro-cid-m3shdxe4]{gap:var(--space-1);border:0;flex-wrap:wrap;margin:0;padding:0;display:flex}.recommendation-controls[data-astro-cid-m3shdxe4] legend[data-astro-cid-m3shdxe4]{width:100%;margin-bottom:var(--space-0);color:var(--ink-700);font:700 var(--type-caption) / var(--leading-ui) var(--font-ui)}.recommendation-controls[data-astro-cid-m3shdxe4] .filter[data-astro-cid-m3shdxe4]{min-height:2.35rem;padding:var(--space-1) var(--space-2)}.next-panel[data-astro-cid-m3shdxe4] .next-recommendation__following{margin-top:var(--space-3,1rem);padding-top:var(--space-2,.75rem);border-top:1px solid var(--line-200)}.other-course-section[data-astro-cid-m3shdxe4] .other-course-notice{border-inline-start:3px solid var(--control-boundary);padding-inline-start:var(--space-3)}.quiet-list[data-astro-cid-m3shdxe4],.recent-list[data-astro-cid-m3shdxe4]{margin:0;padding:0;list-style:none}.quiet-list[data-astro-cid-m3shdxe4] .quiet-row{padding-block:var(--space-2,.75rem);gap:.2rem;display:grid}.quiet-list[data-astro-cid-m3shdxe4] .quiet-row>span,.quiet-list[data-astro-cid-m3shdxe4] .quiet-row>p{color:var(--ink-700);font-size:var(--type-meta)}.quiet-list[data-astro-cid-m3shdxe4] .quiet-link{width:fit-content;font-size:var(--type-meta);margin-top:.2rem;font-weight:700}.quiet-list[data-astro-cid-m3shdxe4] .quiet-row--action{align-items:center;column-gap:var(--space-3,1rem);grid-template-columns:minmax(0,1fr) auto}.recent-list[data-astro-cid-m3shdxe4] li{justify-content:space-between;align-items:start;gap:var(--space-3,1rem);padding-block:var(--space-2,.75rem);border-top:1px solid var(--line-200);display:flex}.recent-list[data-astro-cid-m3shdxe4] div{gap:.15rem;display:grid}.recent-list[data-astro-cid-m3shdxe4] span,.recent-list[data-astro-cid-m3shdxe4] time{color:var(--ink-700);font-size:var(--type-caption)}.recent-list[data-astro-cid-m3shdxe4] time{flex:none}.eyebrow[data-astro-cid-m3shdxe4],.loop-dashboard[data-astro-cid-m3shdxe4] .eyebrow{color:var(--accent-700);font:700 var(--type-caption) / 1.3 var(--font-ui);margin:0 0 .25rem}.storage-owner[data-astro-cid-m3shdxe4],.status-copy{color:var(--ink-700);font-size:var(--type-meta)}.storage-owner[data-astro-cid-m3shdxe4]{margin-top:var(--space-6)}.storage-owner[data-astro-cid-m3shdxe4][data-storage-state=save-failed],.storage-owner[data-astro-cid-m3shdxe4][data-storage-state=unavailable]{border-inline-start:3px solid var(--warning-600);color:var(--text-primary);padding-inline-start:var(--space-3)}html.no-js .storage-owner[data-astro-cid-m3shdxe4],html.no-js .loop-header[data-astro-cid-m3shdxe4]{display:none}.overview-grid[data-astro-cid-m3shdxe4]{gap:var(--space-1) var(--space-4);flex-wrap:wrap;margin:0;display:flex}.overview-grid[data-astro-cid-m3shdxe4]>div{justify-content:flex-end;gap:var(--space-0);flex-direction:row-reverse;min-width:0;display:flex}.overview-grid[data-astro-cid-m3shdxe4] dt{color:var(--text-secondary)}.overview-grid[data-astro-cid-m3shdxe4] dd{margin:0;font-weight:650}.topics-overview[data-astro-cid-m3shdxe4] 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.hub-route__progress-filter[data-astro-cid-xplkbxok][hidden]{visibility:hidden;display:flex!important}html.js .hub-route__search[data-astro-cid-xplkbxok][hidden]:has(.hub-route__edition){display:grid!important}html.js .hub-route__count[data-astro-cid-xplkbxok]:empty{min-block-size:1lh;display:block}@media screen{html.js .hub-route[data-astro-cid-xplkbxok][data-view-mode=compact] .hub-route__summary[data-astro-cid-xplkbxok]{display:none}}.hub-route__statuses[data-astro-cid-xplkbxok]{gap:0 var(--space-3);margin-block:var(--space-1) 0;flex-wrap:wrap;grid-column:1/-1;display:flex}.hub-route__statuses[data-astro-cid-xplkbxok] [data-astro-cid-xplkbxok]:is(.hub-route__count,.hub-route__topic-summary){margin:0}.hub-route__search[data-astro-cid-xplkbxok]:has(.hub-route__edition){align-items:end;gap:var(--space-2);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.hub-route__search[data-astro-cid-xplkbxok] 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var(--line-400);border-radius:var(--radius-pill);place-items:center;block-size:1.75rem;inline-size:1.75rem;display:grid}.hub-route__status[data-astro-cid-xplkbxok] svg{visibility:hidden}.hub-route__status[data-astro-cid-xplkbxok][data-status=in-progress]{border-color:var(--action-bg);background:linear-gradient(90deg, var(--action-bg) 50%, transparent 50%)}.hub-route__status[data-astro-cid-xplkbxok][data-status=done]{border-color:var(--success-600);background:var(--success-600);color:var(--action-fg)}.hub-route__status[data-astro-cid-xplkbxok][data-status=done] svg{visibility:visible}.hub-route__next[data-astro-cid-xplkbxok]{border-radius:var(--radius-pill);padding:var(--space-0) var(--space-2);background:var(--selected-bg);color:var(--selected-fg);font:650 var(--type-caption) / var(--leading-ui) var(--font-ui);flex:none}.hub-route__next[data-astro-cid-xplkbxok][hidden]{display:none}[data-astro-cid-xplkbxok][data-hub-route=lessons] 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strong[data-astro-cid-xplkbxok]{color:var(--link);font-size:var(--type-control);font-weight:650}.hub-route__copy[data-astro-cid-xplkbxok]>span[data-astro-cid-xplkbxok]{color:var(--text-secondary);font-size:var(--type-meta);line-height:var(--leading-ui)}.hub-route__tail[data-astro-cid-xplkbxok]{gap:var(--space-2);color:var(--text-secondary);font-size:var(--type-caption);white-space:nowrap;align-items:center;display:flex}.hub-route__scope[data-astro-cid-xplkbxok]{color:var(--selected-fg);font-weight:650}.hub-route__checks[data-astro-cid-xplkbxok]{gap:var(--space-1);flex-wrap:wrap;display:flex}.hub-route__checks[data-astro-cid-xplkbxok]:has(>.hub-route__check-slot>[data-check-progress]:not([hidden],[data-check-state=not-started])){margin-top:var(--space-1)}.hub-route__check-slot[data-astro-cid-xplkbxok]{font:550 var(--type-caption) / var(--leading-ui) var(--font-ui)}.hub-route__check-space[data-astro-cid-xplkbxok]{display:none}.hub-route__check-slot[data-astro-cid-xplkbxok]>span[data-astro-cid-xplkbxok][data-check-progress]:not([hidden]){align-items:center;gap:var(--space-0);max-width:100%;padding:var(--space-0) var(--space-1);border-radius:var(--radius-control);background:var(--selected-bg);color:var(--selected-fg);font:550 var(--type-caption) / var(--leading-ui) var(--font-ui);overflow-wrap:anywhere;display:inline-flex}.hub-route__check-slot[data-astro-cid-xplkbxok]>span[data-astro-cid-xplkbxok][data-check-progress][data-check-state=not-started]{display:none}.hub-route__check-slot[data-astro-cid-xplkbxok]>span[data-astro-cid-xplkbxok][data-check-progress][data-check-state=passed]{background:var(--success-100);color:var(--success-700)}.hub-route__check-slot[data-astro-cid-xplkbxok]>span[data-astro-cid-xplkbxok][data-check-progress]:before{content:"";background:currentColor;flex:0 0 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print{.hub-route__row[data-astro-cid-xplkbxok]{break-inside:avoid}.hub-route__summary[data-astro-cid-xplkbxok][hidden]{display:block!important}.hub-route__search[data-astro-cid-xplkbxok],.hub-route__empty[data-astro-cid-xplkbxok]{display:none!important}.hub-route__group[data-astro-cid-xplkbxok][hidden]:not([data-edition-hidden]){display:block!important}.hub-route__row[data-astro-cid-xplkbxok][hidden]:not([data-edition-hidden]){display:list-item!important}}.hub-route--illustrated[data-astro-cid-xplkbxok] .hub-route__tools[data-astro-cid-xplkbxok]{margin-block:0 var(--space-2)}.hub-route__layout[data-astro-cid-xplkbxok]{border:1px solid var(--divider-quiet);border-radius:var(--radius-control);background:var(--surface-raised);gap:0;padding:3px;display:flex}.hub-route__layout[data-astro-cid-xplkbxok] button[data-astro-cid-xplkbxok],.hub-route__view[data-astro-cid-xplkbxok] button[data-astro-cid-xplkbxok]{min-inline-size:var(--control-height);padding-inline:var(--space-2);border-color:#0000}.hub-route__view[data-astro-cid-xplkbxok] button[data-astro-cid-xplkbxok][aria-pressed=true]{background:var(--selected-bg);color:var(--selected-fg)}.hub-route__layout[data-astro-cid-xplkbxok][hidden]{display:none}.hub-route__layout[data-astro-cid-xplkbxok] button[data-astro-cid-xplkbxok][aria-pressed=true]{background:var(--selected-bg);color:var(--selected-fg);border-color:var(--link)}.hub-route--illustrated[data-astro-cid-xplkbxok] .hub-route__group[data-astro-cid-xplkbxok]{margin-block-start:var(--space-5)}.hub-route--illustrated[data-astro-cid-xplkbxok] .hub-route__group[data-astro-cid-xplkbxok]>ol[data-astro-cid-xplkbxok]{border-block-start:0;max-inline-size:none}.hub-route--illustrated[data-astro-cid-xplkbxok] .hub-route__link[data-astro-cid-xplkbxok]{align-items:center;gap:var(--space-2);padding:var(--space-2);border-radius:var(--radius-card);grid-template-columns:5rem minmax(0,1fr) auto}.hub-route--illustrated[data-astro-cid-xplkbxok] .hub-route__row[data-astro-cid-xplkbxok]{--hub-colour:var(--chart-5);--hub-tint:color-mix(in srgb, var(--hub-colour) 20%, var(--surface-raised));margin-block:var(--space-1);border:1px solid var(--divider-quiet);border-radius:var(--radius-feature);background:var(--surface-raised)}.hub-route--illustrated[data-astro-cid-xplkbxok] .hub-route__row[data-astro-cid-xplkbxok][data-artwork-tone=apricot]{--hub-colour:var(--chart-2)}.hub-route--illustrated[data-astro-cid-xplkbxok] .hub-route__row[data-astro-cid-xplkbxok][data-artwork-tone=mint]{--hub-colour:var(--chart-4)}.hub-route--illustrated[data-astro-cid-xplkbxok] .hub-route__row[data-astro-cid-xplkbxok] .hub-route__link[data-astro-cid-xplkbxok]:is(:hover,:focus-visible){background:color-mix(in srgb, 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var(--divider-quiet);border-radius:var(--radius-pill);background:var(--surface-raised);color:var(--text-primary);font-size:var(--type-caption);position:absolute;inset:auto auto 0 0}.hub-route--illustrated[data-astro-cid-xplkbxok][data-hub-route=topics] .hub-route__link[data-astro-cid-xplkbxok]{padding:var(--space-2);grid-template-columns:5rem minmax(0,1fr) auto}.hub-route--illustrated[data-astro-cid-xplkbxok][data-hub-route=topics] .hub-route__picture[data-astro-cid-xplkbxok]{inline-size:5rem}.hub-route--illustrated[data-astro-cid-xplkbxok][data-hub-route=topics] .hub-route__copy[data-astro-cid-xplkbxok] strong[data-astro-cid-xplkbxok]{color:var(--text-primary);font-size:1.25rem}@media (width<=23rem){.hub-route--illustrated[data-astro-cid-xplkbxok][data-hub-route=topics] .hub-route__link[data-astro-cid-xplkbxok]{grid-template-columns:5rem minmax(0,1fr) auto}.hub-route--illustrated[data-astro-cid-xplkbxok][data-hub-route=topics] .hub-route__picture[data-astro-cid-xplkbxok]{inline-size:5rem}}.hub-route--tiles[data-astro-cid-xplkbxok] .hub-route__group[data-astro-cid-xplkbxok]>ol[data-astro-cid-xplkbxok]{gap:var(--space-3);border:0;grid-template-columns:repeat(auto-fill,minmax(min(100%,16rem),1fr));display:grid}.hub-route__lesson-count[data-astro-cid-xplkbxok]{gap:var(--space-1) var(--space-2);flex-wrap:wrap;display:flex}.hub-route__row[data-astro-cid-xplkbxok]:has([data-completion-variant=compact][data-lesson-state]:not([data-lesson-state=unknown])) [data-astro-cid-xplkbxok][data-hub-route-total-count],.hub-route__row[data-astro-cid-xplkbxok]:has([data-completion-variant=compact][data-lesson-state]:not([data-lesson-state=unknown])) .hub-route__lesson-count[data-astro-cid-xplkbxok]:not(:has([data-hub-next-topic]:not([hidden]))){display:none}.hub-route--tiles[data-astro-cid-xplkbxok] .hub-route__row[data-astro-cid-xplkbxok]{border:1px solid var(--divider-quiet);border-radius:var(--radius-feature);background:var(--surface-raised);flex-direction:column;margin:0;display:flex;overflow:clip}.hub-route--tiles[data-astro-cid-xplkbxok] .hub-route__link[data-astro-cid-xplkbxok],.hub-route--tiles[data-astro-cid-xplkbxok][data-hub-route=topics] .hub-route__link[data-astro-cid-xplkbxok]{align-content:start;align-items:start;gap:var(--space-2);block-size:auto;padding:var(--space-3);transition:background-color var(--motion-fast) ease, box-shadow var(--motion-fast) ease;flex:1;grid-template-columns:4rem minmax(0,1fr);display:grid;position:relative}.hub-route--tiles[data-astro-cid-xplkbxok] .hub-route__link[data-astro-cid-xplkbxok]:hover,.hub-route--tiles[data-astro-cid-xplkbxok] .hub-route__link[data-astro-cid-xplkbxok]:focus-visible{box-shadow:inset 0 0 0 2px var(--link)}.hub-route--tiles[data-astro-cid-xplkbxok] .hub-route__link[data-astro-cid-xplkbxok]:active{background:var(--selected-bg)}.hub-route--tiles[data-astro-cid-xplkbxok] .hub-route__picture[data-astro-cid-xplkbxok],.hub-route--tiles[data-astro-cid-xplkbxok][data-hub-route=topics] .hub-route__picture[data-astro-cid-xplkbxok]{aspect-ratio:auto;border-radius:var(--radius-control);background:var(--surface-study);block-size:4rem;inline-size:4rem;color:var(--accent-700);isolation:isolate;grid-template:minmax(0,1fr)/minmax(0,1fr);overflow:visible}.hub-route--tiles[data-astro-cid-xplkbxok] .hub-route__picture[data-astro-cid-xplkbxok] img{block-size:100%;min-block-size:0;inline-size:100%}.hub-route--tiles[data-astro-cid-xplkbxok] .hub-route__picture[data-astro-cid-xplkbxok]>svg{block-size:3.5rem;inline-size:3.5rem}.hub-route--tiles[data-astro-cid-xplkbxok] .hub-route__picture[data-astro-cid-xplkbxok] .hub-route__number[data-astro-cid-xplkbxok]{inset:calc(-1 * var(--space-1)) auto auto calc(-1 * var(--space-1));border-radius:var(--radius-pill);background:var(--surface-raised);block-size:1.5rem;inline-size:1.5rem;color:var(--selected-fg);font-size:var(--type-caption);white-space:nowrap;place-items:center;margin:0;padding:0;display:grid;position:absolute}.hub-route--tiles[data-astro-cid-xplkbxok] .hub-route__copy[data-astro-cid-xplkbxok]{gap:var(--space-1);flex-direction:column;flex:1;min-block-size:0;min-inline-size:0;padding:0;display:flex}.hub-route--tiles[data-astro-cid-xplkbxok][data-progress-layout] .hub-route__lesson-state-slot[data-astro-cid-xplkbxok]{min-block-size:1.5rem;display:block}.hub-route--tiles[data-astro-cid-xplkbxok][data-progress-layout] .hub-route__lesson-state-slot[data-astro-cid-xplkbxok]:not(:has([data-hub-lesson-badge]:not([hidden]))){align-items:center;gap:var(--space-2);font:550 var(--type-caption) / var(--leading-ui) var(--font-ui);display:flex}.hub-route--tiles[data-astro-cid-xplkbxok][data-progress-layout] .hub-route__lesson-state-slot[data-astro-cid-xplkbxok]:not(:has([data-hub-lesson-badge]:not([hidden]))):after{content:"";border-radius:var(--radius-pill);background:var(--divider-quiet);flex:1;order:-1;block-size:.3rem;margin-block:0;display:block}.hub-route--tiles[data-astro-cid-xplkbxok] .hub-route__lesson-state-slot[data-astro-cid-xplkbxok]{margin-block-start:0;padding-block-start:0}.hub-route--tiles[data-astro-cid-xplkbxok] .hub-route__lesson-state[data-astro-cid-xplkbxok] .lesson-completion{margin-block:0}.hub-route--tiles[data-astro-cid-xplkbxok] .hub-route__copy[data-astro-cid-xplkbxok] strong[data-astro-cid-xplkbxok],.hub-route--tiles[data-astro-cid-xplkbxok][data-hub-route=topics] .hub-route__copy[data-astro-cid-xplkbxok] strong[data-astro-cid-xplkbxok]{color:var(--text-primary);font-size:var(--type-control);padding-inline-end:var(--space-3)}.hub-route--tiles[data-astro-cid-xplkbxok] .hub-route__summary[data-astro-cid-xplkbxok]{font-size:var(--type-meta)}.hub-route--tiles[data-astro-cid-xplkbxok] .hub-route__tail[data-astro-cid-xplkbxok]{padding:0;position:absolute;inset-block-start:var(--space-3);inset-inline-end:var(--space-2)}.hub-route--tiles[data-astro-cid-xplkbxok] .hub-route__arrow[data-astro-cid-xplkbxok]{margin-inline-start:auto}.hub-route--tiles[data-astro-cid-xplkbxok][data-layout=list] .hub-route__group[data-astro-cid-xplkbxok]>ol[data-astro-cid-xplkbxok]{display:block}.hub-route--tiles[data-astro-cid-xplkbxok][data-layout=list] .hub-route__row[data-astro-cid-xplkbxok]{margin-block-end:var(--space-2)}.hub-route--tiles[data-astro-cid-xplkbxok][data-layout=list] .hub-route__link[data-astro-cid-xplkbxok]{grid-template-columns:5rem minmax(0,1fr) auto;align-items:center;display:grid}.hub-route--tiles[data-astro-cid-xplkbxok][data-layout=list] .hub-route__picture[data-astro-cid-xplkbxok]{block-size:100%;min-block-size:6rem;inline-size:5rem}.hub-route--tiles[data-astro-cid-xplkbxok][data-layout=list] .hub-route__picture[data-astro-cid-xplkbxok]>svg{block-size:2rem;inline-size:2rem}.hub-route--tiles[data-astro-cid-xplkbxok][data-layout=list] .hub-route__copy[data-astro-cid-xplkbxok]{padding:var(--space-2);min-block-size:0}.hub-route--tiles[data-astro-cid-xplkbxok][data-layout=list] .hub-route__tail[data-astro-cid-xplkbxok]{padding:var(--space-2);margin:0;position:static}@media (width<=40rem){.hub-route--tiles[data-astro-cid-xplkbxok][data-layout=list] .hub-route__link[data-astro-cid-xplkbxok]{grid-template-columns:4rem minmax(0,1fr)}.hub-route--tiles[data-astro-cid-xplkbxok][data-layout=list] .hub-route__picture[data-astro-cid-xplkbxok]{grid-row:span 2;inline-size:4rem}.hub-route--tiles[data-astro-cid-xplkbxok][data-layout=list] .hub-route__tail[data-astro-cid-xplkbxok]{grid-column:2;padding-block-start:0}}@media 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.hub-route__topic-progress[data-astro-cid-xplkbxok]:not(:has(>:not([hidden]))){display:flex}.hub-route__earned[data-astro-cid-xplkbxok]:not([hidden]){align-items:center;gap:var(--space-1);padding:var(--space-0) var(--space-1);border-radius:var(--radius-control);background:var(--success-100);color:var(--success-700);display:inline-flex}.hub-route__row[data-astro-cid-xplkbxok]:has([data-hub-topic-earned]:not([hidden])) .hub-route__checks[data-astro-cid-xplkbxok]{display:none}.visually-hidden[data-astro-cid-xplkbxok]{clip-path:inset(50%);white-space:nowrap;block-size:1px;inline-size:1px;position:absolute;overflow:hidden}.hub-route__search[data-astro-cid-xplkbxok] .hub-route__progress-filter[data-astro-cid-xplkbxok]{align-items:center;gap:var(--space-2);font-size:var(--type-caption);display:flex}.hub-route__progress-filter[data-astro-cid-xplkbxok] select[data-astro-cid-xplkbxok]{inline-size:auto;min-inline-size:10rem}@media (prefers-reduced-motion:reduce){.hub-route--tiles[data-astro-cid-xplkbxok] .hub-route__link[data-astro-cid-xplkbxok]{transition:none}}.hub__orientation[data-astro-cid-bdyjaf67]{max-width:var(--width-prose);padding-bottom:var(--space-2)}.hub__orientation[data-astro-cid-bdyjaf67] p{margin-block:var(--space-1) var(--space-2)}@media (width>=64rem){.hub[data-astro-cid-i45lvtc2][data-topic-columns] .course-hub-contract{column-gap:var(--space-5);grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);align-items:start;display:grid}.hub[data-astro-cid-i45lvtc2][data-topic-columns] .course-hub-contract>*{grid-column:1/-1}.hub[data-astro-cid-i45lvtc2][data-topic-columns] .hub__topic-information[data-astro-cid-i45lvtc2]{grid-row:1}.hub[data-astro-cid-i45lvtc2][data-topic-columns] .hub__concept[data-astro-cid-i45lvtc2]{grid-row:2}.hub[data-astro-cid-i45lvtc2][data-topic-columns] .hub__milestone[data-astro-cid-i45lvtc2]{grid-row:4}.hub[data-astro-cid-i45lvtc2][data-topic-columns] 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print{.hub__concept[data-astro-cid-i45lvtc2]{break-inside:avoid}.hub__reference[data-astro-cid-i45lvtc2] details::details-content{content-visibility:visible!important;opacity:1!important;block-size:auto!important;overflow:visible!important}}.hub__concept-lessons[data-astro-cid-i45lvtc2]{align-items:center;gap:var(--space-1);min-height:var(--control-height);font:600 var(--type-control) / var(--leading-ui) var(--font-ui);display:inline-flex}[data-astro-cid-i45lvtc2][data-other-science-practice]>summary[data-astro-cid-i45lvtc2]{min-block-size:var(--control-height);color:var(--link);cursor:pointer;font-weight:600}.hub__route-heading[data-astro-cid-i45lvtc2]{justify-content:space-between;align-items:center;gap:var(--space-3);display:flex}.hub__route-heading[data-astro-cid-i45lvtc2]>div[data-astro-cid-i45lvtc2]:first-child{min-width:0}.hub__route-heading[data-astro-cid-i45lvtc2] h2[data-astro-cid-i45lvtc2]{font-size:var(--type-section);margin-block:0}.hub[data-astro-cid-i45lvtc2]{font-family:var(--font-ui)}.hub__help[data-astro-cid-i45lvtc2]{margin-block:var(--space-5) 0;font-size:var(--type-meta)}.hub__resources[data-astro-cid-i45lvtc2]{gap:2.5rem var(--space-6);grid-template-columns:minmax(0,1fr);align-items:start;display:grid}.hub__resources[data-astro-cid-i45lvtc2]+[data-hub-section]{margin-top:2.5rem}.hub__resources-main[data-astro-cid-i45lvtc2],.hub__resources[data-astro-cid-i45lvtc2]>.hub__reference[data-astro-cid-i45lvtc2]{min-inline-size:0}@media (width>=60rem){.hub__resources--split[data-astro-cid-i45lvtc2]{grid-template-columns:minmax(0,1.15fr) minmax(0,1fr)}.hub__resources--split[data-astro-cid-i45lvtc2] .hub__alternatives[data-astro-cid-i45lvtc2]{grid-template-columns:minmax(0,1fr)}}.hub[data-astro-cid-i45lvtc2] [data-hub-section]>h2{margin:0 0 var(--space-2);font-size:var(--type-section)}.hub[data-astro-cid-i45lvtc2] [data-hub-section]>h2[id]{scroll-margin-block-start:0}.hub[data-astro-cid-i45lvtc2] :is(.roadmap-goals,.syllabus-statements){margin-block:var(--space-3) 0}.hub[data-astro-cid-i45lvtc2] :is(.roadmap-goals,.syllabus-statements) summary{min-height:var(--control-height);cursor:pointer;font-weight:650}.hub[data-astro-cid-i45lvtc2] .curriculum-titles li:first-letter{text-transform:uppercase}.hub__concept[data-astro-cid-i45lvtc2] ol{flex-wrap:wrap;align-items:stretch;max-width:64rem;margin:0;padding:0;list-style:none;display:flex}.hub__concept[data-astro-cid-i45lvtc2] li{padding:var(--space-2) var(--space-5) var(--space-2) 0;flex:1 0 9rem;font-weight:650;position:relative}.hub__concept[data-astro-cid-i45lvtc2] 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var(--font-ui);margin:0;display:block}.hub__recommended[data-astro-cid-i45lvtc2]{margin-top:var(--space-3)}.hub__practice[data-astro-cid-i45lvtc2]{font:var(--type-control) / var(--leading-ui) var(--font-ui)}.hub__offer[data-astro-cid-i45lvtc2]{min-height:var(--control-height);align-items:center;gap:var(--space-2);height:100%;padding:var(--space-2) 0;border-block-end:1px solid var(--divider-quiet);color:var(--link);transition:background-color var(--motion-fast) ease, border-color var(--motion-fast) ease;text-decoration:none;display:flex}.hub__offer--recommended[data-astro-cid-i45lvtc2]{padding:var(--space-3);border:1px solid var(--divider-quiet);border-inline-start:3px solid var(--link);border-radius:var(--radius-control);background:var(--selected-bg)}.hub__offer--recommended[data-astro-cid-i45lvtc2] 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var(--font-ui)}.example-layer>div{min-inline-size:0;line-height:var(--leading-prose,1.65)}.example-layer>div>:first-child{margin-block-start:0}.example-layer>div>:last-child{margin-block-end:0}.example-layer--working{border-radius:var(--radius-control);background:var(--surface-subtle);margin-block-start:var(--space-3);padding:clamp(1rem,3cqi,1.5rem)}.example-layer--working>div{overflow-wrap:anywhere}.example-layer__label--answer{display:none}@media print{.example-layer--working{background:0 0;padding:0}}p[data-astro-cid-4rmbf57c][class$=__label]{align-items:center;gap:var(--space-1);display:flex}p[data-astro-cid-4rmbf57c][class$=__label] svg{flex:none}.example-mistake[data-astro-cid-4rmbf57c]{padding:var(--space-3);border-radius:var(--radius-control);background:var(--warning-100)}.example-mistake__label[data-astro-cid-4rmbf57c]{color:var(--ink-900);font-family:var(--font-ui,var(--font-body));font-size:var(--type-caption);margin:0 0 .3rem;font-weight:650}.example-mistake[data-astro-cid-4rmbf57c]>div>:first-child{margin-top:0}.example-mistake[data-astro-cid-4rmbf57c]>div>:last-child{margin-bottom:0}@media print{.example-mistake[data-astro-cid-4rmbf57c]{break-inside:avoid}.example-mistake__label[data-astro-cid-4rmbf57c]{break-after:avoid}}p[data-astro-cid-c5jnrjxm][class$=__label]{align-items:center;gap:var(--space-1);display:flex}p[data-astro-cid-c5jnrjxm][class$=__label] svg{flex:none}.example-check[data-astro-cid-c5jnrjxm]{align-items:start;gap:var(--space-2) var(--space-3);grid-template-columns:max-content minmax(0,1fr);display:grid}.example-check__label[data-astro-cid-c5jnrjxm]{color:var(--ink-900);font-family:var(--font-ui,var(--font-body));font-size:var(--type-caption);margin:0 0 .3rem;font-weight:650}.example-check[data-astro-cid-c5jnrjxm]>div>:first-child{margin-top:0}.example-check[data-astro-cid-c5jnrjxm]>div>:last-child{margin-bottom:0}@media (width<=40rem){.example-check[data-astro-cid-c5jnrjxm]{grid-template-columns:minmax(0,1fr)}}@media print{.example-check[data-astro-cid-c5jnrjxm]{break-inside:avoid}}p[data-astro-cid-gfshzyg5][class$=__label]{align-items:center;gap:var(--space-1);display:flex}p[data-astro-cid-gfshzyg5][class$=__label] svg{flex:none}.example-next-step[data-astro-cid-gfshzyg5]{border-top:1px solid var(--line-200);padding-top:.9rem}.example-next-step__label[data-astro-cid-gfshzyg5]{color:var(--ink-600);font-family:var(--font-ui,var(--font-body));font-size:var(--type-caption);margin:0 0 .3rem;font-weight:650}.example-next-step[data-astro-cid-gfshzyg5]>div>:first-child{margin-top:0}.example-next-step[data-astro-cid-gfshzyg5]>div>:last-child{margin-bottom:0}assessment-process-figure{display:block}:is(animated-figure,assessment-process-figure) [hidden]{display:none!important}.animated-figure__interaction{gap:var(--space-2);margin-block:var(--space-3);text-align:start;display:grid}.animated-figure__bar{align-items:center;gap:var(--space-3);display:flex}.animated-figure__caption{color:var(--text-secondary);font:var(--type-meta) / var(--leading-ui) var(--font-ui);margin:0}:is(animated-figure,assessment-process-figure) [data-figure-media]{scroll-margin-block-start:var(--space-3)}.animated-figure__play{flex:none;min-inline-size:7.5rem}.animated-figure__icon{display:inline-flex}.animated-figure__track{background:var(--control-boundary);border-radius:999px;flex:auto;block-size:.25rem;overflow:hidden}.animated-figure__track span{background:var(--action-bg);transform-origin:0;block-size:100%;inline-size:100%;transform:scaleX(var(--figure-progress,0));display:block}:dir(rtl) .animated-figure__track span{transform-origin:100%}.animated-figure__steps{gap:var(--space-1);counter-reset:figure-step;margin:0;padding:0;list-style:none;display:grid}.animated-figure__steps li{counter-increment:figure-step;margin-block:0!important}.animated-figure__steps[data-figure-enhanced]{gap:var(--space-1);flex-wrap:wrap;display:flex}.animated-figure__steps .animated-figure__step{gap:var(--space-2);inline-size:100%;padding:var(--space-2);border-radius:var(--radius-control);color:var(--text-secondary);font:inherit;text-align:start;background:0 0;border:1px solid #0000;grid-template-columns:1.75rem 1fr;align-items:start;display:grid}.animated-figure__steps .animated-figure__step:before{content:counter(figure-step);border:1px solid var(--control-boundary);block-size:1.75rem;inline-size:1.75rem;color:var(--text-primary);font:600 var(--type-meta) / 1 var(--font-ui);border-radius:50%;place-items:center;display:inline-grid}.animated-figure__steps 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