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var(--course-token-accent);color:var(--course-color-text-primary);box-shadow:0 .18rem 0 var(--course-color-text-primary);border-radius:.7rem}@supports (color:color-mix(in lab, red, red)){.course-word-token{box-shadow:0 .18rem 0 color-mix(in srgb, var(--course-color-text-primary) 14%, transparent)}}.course-word-token{font-weight:820}button.course-word-token{cursor:pointer}button.course-word-token:hover{box-shadow:0 .3rem 0 var(--course-color-text-primary);transform:translateY(-2px)}@supports (color:color-mix(in lab, red, red)){button.course-word-token:hover{box-shadow:0 .3rem 0 color-mix(in srgb, var(--course-color-text-primary) 18%, transparent)}}.course-word-token__text{font-size:clamp(1rem,2vw,1.2rem)}.course-token-group{white-space:nowrap;flex-wrap:nowrap;flex:none;align-items:center;gap:.45rem;display:inline-flex}.course-token-group>.course-word-token{flex-shrink:0}.course-word-token.is-joined-right{border-start-end-radius:0;border-end-end-radius:0;padding-right:.2rem}.course-word-token.is-joined-left{border-left:0;border-start-start-radius:0;border-end-start-radius:0;min-width:2.4rem;margin-left:calc(-.45rem - 1px);padding-left:0}.course-word-token.course-role-a{--course-token-accent:var(--course-color-structure-part-a-accent)}.course-word-token.course-role-b{--course-token-accent:var(--course-color-structure-part-b-accent)}.course-word-token.course-role-c{--course-token-accent:var(--course-color-structure-part-c-accent)}.course-word-token.course-role-subject{--course-token-accent:var(--course-color-structure-part-1-accent)}.course-word-token.course-role-verb{--course-token-accent:var(--course-color-structure-part-2-accent)}.course-word-token.course-role-other{--course-token-accent:var(--course-color-structure-part-3-accent)}.course-word-token.course-role-question{--course-token-accent:var(--course-color-structure-question-accent)}.course-word-token.course-role-negative{--course-token-accent:var(--course-color-structure-negative-accent)}.course-word-token__role{border:1px solid var(--course-color-text-primary);place-items:center;min-width:1.65rem;min-height:1.65rem;padding-inline:.25rem;display:inline-grid}@supports (color:color-mix(in lab, red, red)){.course-word-token__role{border:1px solid color-mix(in srgb, var(--course-color-text-primary) 32%, transparent)}}.course-word-token__role{background:#ffffff8c;border-radius:999px;font-size:.68rem;font-weight:900}.course-word-token__role[data-marker="1"]{color:var(--course-color-structure-part-1-accent);background:var(--course-color-structure-part-1-fill);border-color:var(--course-color-structure-part-1-accent)}.course-word-token__role[data-marker=A]{color:var(--course-color-structure-part-a-accent);background:var(--course-color-structure-part-a-fill);border-color:var(--course-color-structure-part-a-accent)}.course-word-token__role[data-marker=B]{color:var(--course-color-structure-part-b-accent);background:var(--course-color-structure-part-b-fill);border-color:var(--course-color-structure-part-b-accent)}.course-word-token__role[data-marker=C]{color:var(--course-color-structure-part-c-accent);background:var(--course-color-structure-part-c-fill);border-color:var(--course-color-structure-part-c-accent)}.course-word-token__role[data-marker="2"]{color:var(--course-color-structure-part-2-accent);background:var(--course-color-structure-part-2-fill);border-color:var(--course-color-structure-part-2-accent)}.course-word-token__role[data-marker="3"]{color:var(--course-color-structure-part-3-accent);background:var(--course-color-structure-part-3-fill);border-color:var(--course-color-structure-part-3-accent)}.course-word-token__role[data-marker=\?]{color:var(--course-color-structure-question-accent);background:var(--course-color-structure-question-fill);border-color:var(--course-color-structure-question-accent)}.course-word-token__role[data-marker=\!]{color:var(--course-color-structure-negative-accent);background:var(--course-color-structure-negative-fill);border-color:var(--course-color-structure-negative-accent)}.course-answer-punctuation{font-family:var(--course-font-display);align-self:center;font-size:2rem;font-weight:850}.course-word-builder[data-colors=off] .course-word-token{--course-token-accent:var(--course-color-border-default);border-color:var(--course-color-border-default);background:#fff}.course-word-builder[data-colors=off] .course-word-token__role{display:none}.course-word-token.is-dimmed,.course-concept-card.is-dimmed{opacity:.2}.course-answer-slots .course-word-token.is-misplaced{border-color:var(--course-color-status-error-strong);color:var(--course-color-status-error-strong);background:var(--course-color-status-error-soft);box-shadow:0 .18rem 0 var(--course-color-status-error-strong)}@supports (color:color-mix(in lab, red, red)){.course-answer-slots .course-word-token.is-misplaced{box-shadow:0 .18rem 0 color-mix(in srgb, var(--course-color-status-error-strong) 32%, transparent)}}.course-glossary-dialog{width:min(100% - .25rem,48rem);max-width:none;max-height:calc(100dvh - .75rem);color:var(--course-color-text-primary);box-shadow:none;background:0 0;border:0;margin:auto;padding:0;position:fixed;inset:0;overflow:auto}.course-glossary-dialog::backdrop{background:var(--course-color-text-primary)}@supports (color:color-mix(in lab, red, red)){.course-glossary-dialog::backdrop{background:color-mix(in srgb, var(--course-color-text-primary) 72%, transparent)}}.course-glossary-dialog::backdrop{-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.course-glossary-dialog__body{padding:1.5rem}.course-word-guide-header{justify-content:space-between;align-items:center;gap:1rem;padding:.25rem .25rem .75rem;display:flex}.course-glossary-dialog h2{color:#fff;text-shadow:0 .15rem .6rem #000000a6;max-width:22ch;margin:0;font-size:clamp(1.7rem,5vw,2.6rem)}.course-word-guide-summary,.course-word-guide-rule{border:1px solid var(--course-color-border-default);background:var(--course-color-surface-raised);border-radius:.8rem;padding:1rem;box-shadow:0 .45rem 1rem .05rem #00000052}.course-word-guide-summary+.course-word-guide-summary,.course-word-guide-rules{margin-top:.8rem}.course-word-guide-row,.course-word-guide-rule__header{grid-template-columns:1.5rem minmax(0,1fr);align-items:start;gap:.75rem;display:grid}.course-word-guide-icon{width:1.5rem;height:1.5rem;margin-top:.05rem}.course-word-guide-copy,.course-word-guide-summary p,.course-word-guide-rule__header h3{min-width:0}.course-word-guide-summary p,.course-word-guide-rule p,.course-word-guide-rule h3{margin-top:0}.course-word-guide-summary p,.course-word-guide-rule__header h3{margin-bottom:0}.course-word-guide-summary p,.course-word-guide-rule p{color:var(--course-color-text-primary)}@supports (color:color-mix(in lab, red, red)){.course-word-guide-summary p,.course-word-guide-rule p{color:color-mix(in srgb, var(--course-color-text-primary) 82%, black)}}.course-word-guide-definition-line q,.course-word-guide-rule li em{font-style:italic}.course-word-guide-summary strong,.course-word-guide-rule strong{font-weight:700}.course-word-guide-rules{gap:.8rem;display:grid}.course-word-guide-rules,.course-word-guide-rule,.course-word-guide-table-wrap{min-width:0;max-width:100%}.course-word-guide-rule__header{margin-bottom:.5rem}.course-word-guide-rule__header h3{font-size:1rem;font-weight:700}.course-word-guide-rule ul{gap:0;margin-top:1rem;margin-bottom:0;padding-left:1.2rem;display:grid}.course-word-guide-table-wrap{margin-top:1rem;overflow-x:auto}.course-word-guide-table-wrap table{border-collapse:collapse;table-layout:fixed;width:100%;font-size:.88rem}.course-word-guide-table-wrap th,.course-word-guide-table-wrap td{border:1px solid var(--course-color-border-default);text-align:left;vertical-align:top;white-space:normal;overflow-wrap:anywhere;-webkit-hyphens:auto;hyphens:auto;padding:.5rem}.course-word-guide-table-wrap thead th{background:var(--course-color-decorative)}@supports (color:color-mix(in lab, red, red)){.course-word-guide-table-wrap thead th{background:color-mix(in srgb, var(--course-color-decorative) 55%, white)}}.course-word-guide-table-wrap thead th{font-weight:700}.course-word-guide-table-wrap .course-word-guide-table-title{text-align:center}.course-word-guide-table-wrap tbody th,.course-word-guide-table-wrap tbody td{font-weight:400}.course-dialog-close{border:1px solid var(--course-color-border-default);width:2.5rem;height:2.5rem;color:var(--course-color-text-primary);cursor:pointer;background:#fff;border-radius:50%;flex:none;place-items:center;display:grid;box-shadow:0 .25rem .8rem #00000057}.course-dialog-close .course-icon{width:1rem;height:1rem}.course-builder-actions{flex-wrap:wrap;gap:.7rem;display:flex}.course-arranging>.course-builder-actions{justify-content:center;margin-top:1.5rem}.course-answer-action{--course-color-action-running-light:#fff;border:2px solid var(--course-color-action-disabled-border);min-width:11rem;height:3.75rem;color:var(--course-color-action-disabled-text);background:var(--course-color-action-disabled-surface);cursor:pointer;isolation:isolate;border-radius:999px;justify-content:center;align-items:center;gap:.6rem;padding-inline:1.35rem;font-size:1rem;font-weight:950;line-height:1;display:inline-flex;position:relative;overflow:visible}.course-answer-action [data-answer-action-icon]{justify-content:center;align-items:center;display:inline-flex}.course-answer-action [data-state-icon]{display:none}.course-answer-action[data-state=incorrect] [data-state-icon=incorrect],.course-answer-action[data-state=correct] [data-state-icon=correct]{display:block}.course-answer-action:after{z-index:1;content:"";pointer-events:none;border-radius:inherit;opacity:0;background:conic-gradient(from var(--course-running-light-angle), transparent 0 285deg, var(--course-color-action-running-light) 318deg, #fff 345deg 360deg);-webkit-mask-composite:xor;-webkit-mask-composite:xor;-webkit-mask-source-type:auto,auto;-webkit-mask-composite:xor;-webkit-mask-source-type:auto,auto;padding:.2rem;position:absolute;inset:-.3rem;-webkit-mask-image:linear-gradient(#000 0 0),linear-gradient(#000 0 0);mask-image:linear-gradient(#000 0 0),linear-gradient(#000 0 0);-webkit-mask-position:0 0,0 0;mask-position:0 0,0 0;-webkit-mask-size:auto,auto;mask-size:auto,auto;-webkit-mask-repeat:repeat,repeat;mask-repeat:repeat,repeat;-webkit-mask-clip:content-box,border-box;mask-clip:content-box,border-box;-webkit-mask-origin:content-box,border-box;mask-origin:content-box,border-box;-webkit-mask-composite:xor;mask-composite:exclude;-webkit-mask-source-type:auto,auto;mask-mode:match-source,match-source}.course-answer-action:disabled{opacity:1}.course-answer-action[data-state=incorrect]{--course-color-action-running-light:#ffd9d4;border-color:var(--course-color-status-error-strong);color:var(--course-color-text-on-action);background:var(--course-color-status-error)}.course-answer-action[data-state=correct]{--course-color-action-running-light:#c9f6df;border-color:var(--course-color-status-success-strong);color:var(--course-color-text-on-action);background:var(--course-color-status-success)}.course-answer-action[data-state=correct]:not(:disabled):hover{background:var(--course-color-status-success-strong);transform:translateY(-2px)}.course-practice-hero{border-bottom:1px solid var(--course-color-border-default);background:linear-gradient(135deg, var(--course-color-surface-page), var(--course-color-decorative));padding-block:clamp(2.5rem,5vw,4rem)}@supports (color:color-mix(in lab, red, red)){.course-practice-hero{background:linear-gradient(135deg, var(--course-color-surface-page), color-mix(in srgb, var(--course-color-decorative) 48%, var(--course-color-surface-page)))}}.course-practice-hero__grid{grid-template-columns:minmax(0,1fr);gap:1.25rem;display:grid}.course-practice-hero h1{max-width:22ch}.course-practice-hero__grid>p{max-width:63ch;color:var(--course-color-text-muted);margin:0;font-size:1.08rem}.course-practice-page .course-word-builder{margin-top:0}@media (width<=860px){.course-summary-stats{grid-template-columns:repeat(2,minmax(0,1fr))}.course-hero__grid,.course-map__heading,.course-practice-hero__grid,.course-structure-guides{grid-template-columns:1fr}}@media (width<=620px){.course-lesson-builder,.course-practice-page{background:var(--course-color-surface-raised);border-top:0;padding-block:0}.course-lesson-builder>.course-shell,.course-practice-page>.course-shell{padding-inline:0}.course-lesson-builder .course-word-builder,.course-practice-page .course-word-builder{background:0 0;border:0;border-radius:0}.course-lesson-builder .course-exercise-stage,.course-lesson-builder .course-builder-summary,.course-practice-page .course-builder-settings,.course-practice-page .course-exercise-stage,.course-practice-page .course-builder-summary{padding-inline:var(--course-gutter)}.course-summary-stats{gap:.65rem;margin-block:1.75rem}.course-summary-footer .course-builder-actions,.course-summary-footer .course-builder-actions>*{width:100%}.course-builder-toolbar{grid-template-columns:minmax(0,1fr) auto;gap:.75rem}.course-builder-toolbar>p{grid-column:1/-1}.course-builder-toolbar__controls{grid-area:2/1/auto/-1;justify-content:flex-start}.course-builder-toolbar:has([data-edit-selection]:not([hidden])) .course-builder-toolbar__controls{grid-area:1/2;justify-content:flex-end}.course-builder-session__header{flex-direction:column;align-items:flex-start}.course-word-token,.course-empty-slot{min-width:4.4rem}.course-teaching-moment{margin-bottom:2rem}}@property --course-running-light-angle{syntax:"<angle>";inherits:false;initial-value:0deg}@keyframes course-answer-running-light{0%{--course-running-light-angle:0deg;opacity:1}to{--course-running-light-angle:360deg;opacity:1}}@keyframes course-action-running-light{0%{--course-running-light-angle:0deg;opacity:1}88%{opacity:1}to{--course-running-light-angle:360deg;opacity:0}}@media (prefers-reduced-motion:no-preference){.course-button,.course-quiet-button,.course-answer-action,.course-word-token,.course-concept-card,.course-concept-annotation{transition:background-color .15s,border-color .15s,transform .15s,box-shadow .15s,opacity .15s}.course-answer-action{transition:background-color .24s,border-color .24s,color .24s,box-shadow .24s,transform .18s}.course-answer-action.is-changing{animation:none}.course-answer-action[data-state=correct].is-changing:after{animation:.9s linear course-action-running-light}}@media (prefers-reduced-motion:reduce){.course-answer-slots:after,.course-answer-action:after{display:none}}.course-page .site-sentence-demo{--sentence-demo-color-accent-secondary:var(--course-color-accent-secondary);--sentence-demo-color-border-default:var(--course-color-border-default);--sentence-demo-color-border-strong:var(--course-color-border-strong);--sentence-demo-color-decorative:var(--course-color-decorative);--sentence-demo-color-status-error:var(--course-color-status-error);--sentence-demo-color-status-success:var(--course-color-status-success);--sentence-demo-color-status-success-soft:var(--course-color-status-success-soft);--sentence-demo-color-structure-other-accent:var(--course-color-structure-part-3-accent);--sentence-demo-color-structure-other-fill:var(--course-color-structure-role-other-fill);--sentence-demo-color-structure-subject-accent:var(--course-color-structure-part-1-accent);--sentence-demo-color-structure-subject-fill:var(--course-color-structure-role-subject-fill);--sentence-demo-color-structure-verb-accent:var(--course-color-structure-part-2-accent);--sentence-demo-color-structure-verb-fill:var(--course-color-structure-role-verb-fill);--sentence-demo-color-surface-page:var(--course-color-surface-page);--sentence-demo-color-surface-raised:var(--course-color-surface-raised);--sentence-demo-color-surface-subtle:var(--course-color-surface-subtle);--sentence-demo-color-text-muted:var(--course-color-text-muted);--sentence-demo-color-text-primary:var(--course-color-text-primary);--sentence-demo-font-sm:.889rem;--sentence-demo-space-2xs:.382rem;--sentence-demo-space-md:1.618rem}