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var(--color-on-dark-line);height:30px;font-size:var(--font-size-xs);color:var(--color-on-dark);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);align-items:center;gap:6px;max-width:320px;padding:0 10px;font-weight:600;display:inline-flex}.glass-chip--school{border-color:color-mix(in srgb, var(--institution-color) 65%, transparent)}.live-dot{background:#3ddc84;border-radius:50%;width:8px;height:8px;box-shadow:0 0 0 3px #3ddc8440}.stage__centre{align-items:stretch;gap:var(--space-md);grid-area:centre;min-height:0;display:flex;overflow:hidden}.stage__centre-main{flex:1;align-items:center;min-width:0;display:flex}.stage__side{pointer-events:auto;align-items:flex-start;min-height:0;display:flex}.stage__hint{border-radius:var(--radius-sm);background:var(--color-stage-glass);max-width:100%;color:var(--color-on-dark-muted);font-size:var(--font-size-xs);transition:opacity .6s var(--ease-out), visibility .6s;grid-area:hint;justify-self:start;padding:4px 10px}.stage__hint.is-faded{opacity:0;visibility:hidden}.stage__hint--banner{background:var(--color-accent);color:#fff;font-size:var(--font-size-sm);padding:6px 12px}.stage__bottom{justify-content:space-between;align-items:flex-end;gap:var(--space-sm);flex-wrap:wrap;grid-area:bottom;min-width:0;display:flex}.stage__kpis{gap:var(--space-sm);flex-wrap:wrap;min-width:0;display:flex}.stage__kpis:empty{display:none}.stage__toolbar{gap:var(--space-xs);margin-left:auto;display:flex}.stage__toolbar .btn{min-height:40px;padding:0 var(--space-md)}.stage__toolbar .btn--icon{width:40px;padding:0}@container stage (width<=760px){.stage__tool-label{display:none}}.stage{container:stage/size}.hero{max-width:540px;max-height:100%;padding:var(--space-xl);border-radius:var(--radius-lg);background:var(--color-stage-glass);border:1px solid var(--color-on-dark-line);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);animation:hero-in var(--motion-enter) var(--ease-out);overflow:auto}@keyframes hero-in{0%{opacity:0;transform:translateY(8px)}}.overline--on-dark{color:var(--color-on-dark-muted)}.hero__title{margin:var(--space-xs) 0 var(--space-sm);font-size:var(--font-size-hero);color:#fff;font-weight:700}.hero__lede{color:var(--color-on-dark-muted);font-size:var(--font-size-md)}.hero__facts{gap:var(--space-sm) var(--space-lg);margin:var(--space-lg) 0 0;font-size:var(--font-size-sm);flex-wrap:wrap;padding:0;list-style:none;display:flex}.hero__facts li{align-items:center;gap:6px;display:flex}.hero__note{align-items:center;gap:var(--space-sm);margin-top:var(--space-md);font-size:var(--font-size-xs);color:var(--color-on-dark-muted);display:flex}.hero__actions{gap:var(--space-sm);margin-top:var(--space-lg);flex-wrap:wrap;display:flex}.stage--overview{padding:var(--space-xl);place-items:center start;display:grid}.hero--static{animation:none}.hero__status{margin-bottom:var(--space-sm)}@container stage (height<=420px){.hero__lede,.hero__facts,.hero__note{display:none}.hero{padding:var(--space-lg)}}.inspector{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);flex-direction:column;min-width:0;min-height:0;display:flex;overflow:hidden}.inspector__header{padding:var(--space-xl) var(--space-xl) var(--space-lg);flex:none}.inspector__pills{gap:var(--space-xs);margin-bottom:var(--space-md);flex-wrap:wrap;display:flex}.inspector__title{font-size:var(--font-size-2xl);font-weight:700}.inspector__lede{margin-top:var(--space-sm);color:var(--color-muted);font-size:var(--font-size-sm)}.tabs{gap:var(--space-2xs);margin:0 var(--space-xl) var(--space-md);background:var(--color-surface-sunken);border-radius:var(--radius-md);flex:none;grid-template-columns:repeat(3,1fr);padding:3px;display:grid}.tabs__tab{min-height:40px;font-weight:600;font-size:var(--font-size-sm);color:var(--color-muted);background:0 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var(--color-border);border-radius:var(--radius-md);background:var(--color-surface)}.card+.card{margin-top:var(--space-sm)}.card__title{margin-bottom:var(--space-xs);font-size:var(--font-size-md)}.key-idea__example{margin-top:var(--space-md);padding:var(--space-md);border-radius:var(--radius-sm);background:var(--color-accent-softer);border-left:3px solid var(--color-accent)}.terms{margin:0}.terms__row{gap:var(--space-md);padding:var(--space-sm) 0;border-bottom:1px solid var(--color-border);grid-template-columns:minmax(96px,34%) 1fr;display:grid}.terms dt{font-weight:600}.terms dd{color:var(--color-muted);margin:0}.blocks>*+*{margin-top:var(--space-sm)}.blocks ul,.blocks ol{margin:0;padding-left:1.4em}.blocks li+li{margin-top:var(--space-xs)}.blocks blockquote{padding:var(--space-md);border-left:3px solid var(--color-accent);background:var(--color-accent-softer);border-radius:var(--radius-sm);margin:0}.blocks__heading{font-size:var(--font-size-md);margin-top:var(--space-lg)}.blocks__table{overflow-x:auto}.blocks table{border-collapse:collapse;width:100%;font-size:var(--font-size-sm)}.blocks th,.blocks td{padding:var(--space-sm);border:1px solid var(--color-border);text-align:left;vertical-align:top}.blocks th{background:var(--color-surface-muted)}.case__analysis{margin-top:var(--space-sm)}.case__analysis summary{min-height:var(--touch-target);color:var(--color-accent);cursor:pointer;align-items:center;font-weight:600;display:inline-flex}.activities{gap:var(--space-xs);margin:0;padding:0;list-style:none;display:grid}.activities__item{align-items:center;gap:var(--space-md);min-height:40px;padding:0 var(--space-md);border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:var(--font-size-sm);display:flex}.activities__tick{border:2px solid var(--color-border-strong);border-radius:50%;flex:none;width:20px;height:20px}.hint-text{margin-top:var(--space-sm);font-size:var(--font-size-xs);color:var(--color-muted)}.chips{gap:var(--space-xs);flex-wrap:wrap;display:flex}.checklist{gap:var(--space-sm);margin:0;padding:0;list-style:none;display:grid}.checklist li{gap:var(--space-sm);display:flex}.checklist svg{color:var(--color-success);flex:none;margin-top:3px}.teacher-notes{border-top:1px solid var(--color-border);background:var(--color-surface-muted);flex:none;max-height:45%;overflow-y:auto}.teacher-notes summary{align-items:center;gap:var(--space-sm);min-height:52px;padding:0 var(--space-xl);background:var(--color-surface-muted);cursor:pointer;font-weight:600;list-style:none;display:flex;position:sticky;top:0}.teacher-notes summary::-webkit-details-marker{display:none}.teacher-notes__chevron{transition:transform var(--motion-fast);margin-left:auto}.teacher-notes[open] .teacher-notes__chevron{transform:rotate(180deg)}.teacher-notes__body{padding:0 var(--space-xl) var(--space-lg)}.teacher-notes__note+.teacher-notes__note{margin-top:var(--space-md)}.teacher-notes__note h3{font-size:var(--font-size-sm);margin-bottom:var(--space-2xs)}.teacher-notes__note p{font-size:var(--font-size-sm);color:var(--color-muted)}.quiz{padding-top:var(--space-lg)}.quiz__progress{margin-bottom:var(--space-md);gap:4px;display:flex}.quiz__segment{background:var(--color-surface-sunken);border-radius:3px;flex:1;height:6px}.quiz__segment.is-current{background:var(--color-accent-soft);box-shadow:inset 0 0 0 1px var(--color-accent)}.quiz__segment.is-correct{background:var(--color-success)}.quiz__segment.is-wrong{background:var(--color-error)}.quiz__prompt{margin:var(--space-xs) 0 var(--space-lg);font-size:var(--font-size-lg);font-family:var(--font-body);font-weight:600;line-height:1.4}.quiz__options{gap:var(--space-sm);display:grid}.quiz-option{align-items:center;gap:var(--space-md);min-height:52px;padding:var(--space-sm) var(--space-md);border:1px solid var(--color-border-strong);border-radius:var(--radius-md);background:var(--color-surface);text-align:left;transition:border-color var(--motion-fast), background-color var(--motion-fast);display:flex}.quiz-option:hover:not([aria-disabled=true]){border-color:var(--color-accent);background:var(--color-accent-softer)}.quiz-option[aria-disabled=true]{cursor:default}.quiz-option__letter{border-radius:var(--radius-sm);background:var(--color-surface-sunken);width:28px;height:28px;font-weight:700;font-size:var(--font-size-xs);flex:none;place-items:center;display:grid}.quiz-option__text{flex:1}.quiz-option.is-correct{border-color:var(--color-success);background:var(--color-success-soft);color:#0b5c37}.quiz-option.is-wrong{border-color:var(--color-error);background:var(--color-error-soft);color:#9a2c2c}.feedback{gap:var(--space-md);margin-top:var(--space-lg);padding:var(--space-md) var(--space-lg);border-radius:var(--radius-md);display:flex}.feedback svg{flex:none;margin-top:2px}.feedback.is-correct{background:var(--color-success-soft);color:#0b5c37}.feedback.is-wrong{background:var(--color-error-soft);color:#9a2c2c}.feedback__title{font-weight:700}.quiz__actions{margin-top:var(--space-lg);justify-content:flex-end;display:flex}.score-card{padding:var(--space-xl);border-radius:var(--radius-lg);background:var(--color-accent-softer);text-align:center;margin-bottom:var(--space-lg)}.score-card__value{font-size:var(--font-size-score)}.score-card__label{color:var(--color-muted)}.review{gap:var(--space-xs);margin:0 0 var(--space-lg);padding:0;list-style:none;display:grid}.review__row{gap:var(--space-sm);padding:var(--space-sm) var(--space-md);border-radius:var(--radius-sm);font-size:var(--font-size-sm);display:flex}.review__row svg{flex:none;margin-top:2px}.review__row.is-correct{background:var(--color-success-soft);color:#0b5c37}.review__row.is-wrong{background:var(--color-error-soft);color:#9a2c2c}.placeholder{place-content:center;justify-items:center;gap:var(--space-sm);height:100%;padding:var(--space-2xl);text-align:center;display:grid}.placeholder__icon{border-radius:var(--radius-lg);background:var(--color-accent-soft);width:64px;height:64px;color:var(--color-accent);place-items:center;display:grid}.placeholder__title{font-size:var(--font-size-2xl)}.placeholder__text{max-width:440px;color:var(--color-muted)}.setup{z-index:var(--z-dialog);padding:var(--space-lg);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#0f1b338c;place-items:center;display:grid;position:fixed;inset:0;overflow-y:auto}.setup__dialog{width:min(640px,100%);padding:var(--space-2xl);background:var(--color-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);animation:hero-in var(--motion-enter) var(--ease-out)}.setup__head{margin-bottom:var(--space-xl);justify-content:space-between;align-items:center;display:flex}.setup__title{font-size:var(--font-size-2xl)}.setup__lede{margin:var(--space-sm) 0 var(--space-xl);color:var(--color-muted)}.setup__label{margin-bottom:var(--space-sm);font-weight:600;font-size:var(--font-size-sm);padding:0;display:block}.setup__types{gap:var(--space-sm);margin:0 0 var(--space-xl);border:0;grid-template-columns:repeat(2,minmax(0,1fr));padding:0;display:grid}.type-card{padding:var(--space-md) var(--space-lg);border:1px solid var(--color-border-strong);border-radius:var(--radius-md);cursor:pointer;flex-direction:column;gap:2px;display:flex;position:relative}.type-card:hover{border-color:var(--color-accent)}.type-card.is-selected{border-color:var(--color-accent);background:var(--color-accent-softer);box-shadow:inset 0 0 0 1px var(--color-accent)}.type-card:has(input:focus-visible){box-shadow:var(--focus-ring)}.type-card__title{font-weight:600}.type-card__detail{font-size:var(--font-size-xs);color:var(--color-muted)}.type-card__check{top:var(--space-md);right:var(--space-md);color:var(--color-accent);position:absolute}.setup__field{margin:0 0 var(--space-xl);border:0;padding:0}.text-input{width:100%;height:var(--touch-target);padding:0 var(--space-md);border:1px solid var(--color-border-strong);border-radius:var(--radius-md);background:var(--color-surface)}.text-input:focus-visible{border-color:var(--color-accent)}.text-input[aria-invalid=true]{border-color:var(--color-error)}.field-error{margin-top:var(--space-xs);color:var(--color-error);font-size:var(--font-size-sm);align-items:center;gap:6px;display:flex}.swatches{gap:var(--space-sm);flex-wrap:wrap;display:flex}.swatch{width:var(--touch-target);height:var(--touch-target);border-radius:var(--radius-md);color:#fff;cursor:pointer;place-items:center;display:grid;box-shadow:inset 0 0 0 1px #00000014}.swatch.is-selected{box-shadow:0 0 0 2px var(--color-surface), 0 0 0 4px var(--color-text)}.swatch:has(input:focus-visible){box-shadow:var(--focus-ring)}.swatch--custom{background:conic-gradient(#e11d48,#f59e0b,#16a34a,#0ea5e9,#6366f1,#e11d48);overflow:hidden}.swatch--custom input{opacity:0;cursor:pointer;width:100%;height:100%}.setup__preview{align-items:center;gap:var(--space-md);padding:var(--space-md);border:1px dashed var(--color-border-strong);border-radius:var(--radius-md);min-width:0;display:flex}.setup__preview-text{flex-direction:column;min-width:0;display:flex}.setup__preview-name{font-weight:600}.setup__preview-level{font-size:var(--font-size-xs);color:var(--color-muted)}.setup__actions{justify-content:flex-end;gap:var(--space-sm);margin-top:var(--space-xl);flex-wrap:wrap;display:flex}.shell--present .workspace{gap:var(--space-lg);padding:var(--space-lg)}.shell--present .inspector__title{font-size:2rem}@media (max-width:899px){body{overflow:auto}.shell{height:auto;min-height:100dvh}.body{overflow:visible}.workspace,.shell--panel-hidden .workspace{grid-template-rows:minmax(320px,52dvh) auto;grid-template-columns:minmax(0,1fr);height:auto}.inspector{max-height:none}.inspector__body{overflow:visible}.teacher-notes{max-height:none}.setup__types{grid-template-columns:minmax(0,1fr)}.setup__dialog{padding:var(--space-xl)}}.picker__programme{align-items:center;gap:var(--space-sm);padding:var(--space-md) var(--space-md) var(--space-sm);border-bottom:1px solid var(--color-border);display:flex}.picker__label{font-size:var(--font-size-xs);color:var(--color-muted);white-space:nowrap;font-weight:700}.select{min-width:0;min-height:40px;padding:0 var(--space-sm);border:1px solid var(--color-border-strong);border-radius:var(--radius-md);background:var(--color-surface);flex:1;font-weight:600}.picker{max-height:min(64vh,560px)}.picker__count{padding:var(--space-sm) var(--space-md) 0;font-size:var(--font-size-xs);color:var(--color-muted)}.picker__course+.picker__course{border-top:1px solid var(--color-border)}.picker__summary{align-items:center;gap:var(--space-sm);min-height:var(--touch-target);padding:0 var(--space-md);cursor:pointer;border-radius:var(--radius-md);list-style:none;display:flex}.picker__summary::-webkit-details-marker{display:none}.picker__summary:hover{background:var(--color-surface-sunken)}.picker__chevron{color:var(--color-muted);transition:transform var(--motion-fast);flex:none}.picker__course[open] .picker__chevron{transform:rotate(90deg)}.picker__course-name{min-width:0;font-weight:700;font-size:var(--font-size-sm);flex:1}.picker__course-meta{font-size:var(--font-size-xs);color:var(--color-muted);white-space:nowrap;align-items:center;gap:6px;display:inline-flex}.picker__dot{background:var(--color-success);border-radius:50%;width:8px;height:8px}.picker__lesson{padding-left:calc(var(--space-md) + 22px)}.picker__unit{width:92px;font-size:var(--font-size-xs);color:var(--color-muted);flex:none;font-weight:600}.library{height:100%;padding:var(--space-xl) 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var(--color-border);font-size:var(--font-size-xs);color:var(--color-muted);flex-wrap:wrap;display:flex}.teach-card__class{align-items:center;gap:var(--space-xs);min-width:0;display:inline-flex}.teach-card__select{max-width:170px;min-height:32px;padding:0 var(--space-xs);border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface);font:inherit;color:var(--color-text)}.teach-card__hint{align-items:center;gap:4px;display:inline-flex}.shell--present .teach-card__foot,.shell--present .teach-card__flow{display:none}@media (prefers-reduced-motion:reduce){.teach-card__strip--loading{animation:none}}.editor{gap:var(--space-md);display:grid}.editor-locked{padding:var(--space-xs) var(--space-md);border-radius:var(--radius-sm);background:var(--color-surface-sunken);font-size:var(--font-size-sm);flex-wrap:wrap;align-items:center;gap:6px;margin:0;display:flex}.editor-group{gap:var(--space-sm);padding:var(--space-md);border:1px solid var(--color-border);border-radius:var(--radius-md);margin:0;display:grid;position:relative}.editor-group legend{padding:0 var(--space-xs);font-size:var(--font-size-xs);letter-spacing:.05em;text-transform:uppercase;color:var(--color-muted);font-weight:700}.editor-group__remove{top:-6px;right:var(--space-sm);min-height:32px;font-size:var(--font-size-sm);position:absolute}.editor-block{gap:var(--space-xs);padding:var(--space-sm) var(--space-md);border-left:3px solid var(--color-accent-soft);display:grid}.editor-block__head{justify-content:space-between;align-items:center;display:flex}.editor-quiz{font-size:var(--font-size-sm);gap:2px;margin:0;padding:0;list-style:none;display:grid}.editor-quiz .checkbox{align-items:flex-start}.editor-errors ul{margin:0;padding-left:1.2em}.editor-reset{margin-right:auto}.prepare__buttons .btn.is-on{background:var(--color-accent-soft);color:var(--color-accent)}.render-world{background:var(--brand-navy);position:fixed;inset:0}.render-world .world-view,.render-world .stage__three{inset:0;position:absolute!important}.render-world .label-layer{display:none}.board__image{border-radius:var(--radius-md);max-width:100%;max-height:58vh;margin:0 auto;display:block}.editor-image{gap:var(--space-md);grid-template-columns:160px 1fr;align-items:start;display:grid}.editor-image img{border-radius:var(--radius-sm);border:1px solid var(--color-border);width:160px}.teach-card__flowname{margin:-4px 0 var(--space-sm);font-size:var(--font-size-xs);color:var(--color-muted);align-items:center;gap:6px;font-weight:600;display:flex}.teach-card__scheme{gap:var(--space-md);margin:var(--space-sm) 0 0;font-size:var(--font-size-xs);color:var(--color-muted);grid-template-columns:1fr 1fr;display:grid}.teach-card__scheme span:last-child{text-align:right}.flows{gap:var(--space-sm);margin-bottom:var(--space-md);grid-template-columns:repeat(auto-fit,minmax(240px,1fr));display:grid}.flow-card{padding:var(--space-md);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface);text-align:left;flex-direction:column;gap:2px;display:flex}.flow-card:hover{border-color:var(--color-accent)}.flow-card.is-on{border-color:var(--color-accent);background:var(--color-accent-softer);box-shadow:inset 0 0 0 1px var(--color-accent)}.flow-card__name{font-weight:700}.flow-card__meta,.flow-card__phases{font-size:var(--font-size-xs);color:var(--color-muted)}.prepare__guide{font-size:var(--font-size-xs);color:var(--color-muted);margin-left:auto}.phase{margin-bottom:var(--space-md)}.phase__head{align-items:baseline;gap:var(--space-xs) var(--space-md);margin:var(--space-md) 0 var(--space-xs);padding-bottom:var(--space-xs);border-bottom:2px solid var(--color-border);flex-wrap:wrap;display:flex}.phase__title{font-size:var(--font-size-lg)}.phase__hint{font-size:var(--font-size-xs);color:var(--color-muted)}.phase__minutes{font-size:var(--font-size-sm);font-variant-numeric:tabular-nums;margin-left:auto;font-weight:700}.prepare__phase{min-height:36px;padding:0 var(--space-xs);border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface);font:inherit;font-size:var(--font-size-sm)}.toolbox{margin-top:var(--space-lg)}.toolbox__phase{align-items:center;gap:var(--space-sm);font-size:var(--font-size-sm);display:flex}.toolbox__phase .text-input{width:auto}.toolbox__list{gap:var(--space-xs);margin:0 0 var(--space-md);padding:0;list-style:none;display:grid}.toolbox__item{align-items:center;gap:var(--space-md);padding:var(--space-xs) var(--space-md);border:1px dashed var(--color-border-strong);border-radius:var(--radius-md);grid-template-columns:120px minmax(0,1fr) auto auto;display:grid}.toolbox__own{padding-top:var(--space-sm);border-top:1px solid var(--color-border)}.print-deck{display:none}@media print{html.printing-deck,html.printing-deck body{height:auto;overflow:visible}html.printing-deck body>:not(.print-deck){display:none!important}html.printing-deck .print-deck{color:#151a23;font-family:var(--font-body);display:block}}@page{size:A4 landscape;margin:12mm}.print-deck__page{break-after:page;page-break-after:always;border-left:3px solid var(--institution-color);min-height:170mm;padding-left:8mm}.print-deck__head{color:#5a6372;gap:8mm;font-size:9pt;display:flex}.print-deck__label{text-transform:uppercase;letter-spacing:.06em;font-weight:700}.print-deck__title{margin:4mm 0 6mm;font-size:24pt}.print-deck__body{font-size:15pt}.print-deck__body.has-picture{grid-template-columns:1fr 1fr;gap:8mm;display:grid}.print-deck__body figure{margin:0}.print-deck__body figure img,.print-deck__own{max-width:100%;max-height:120mm}.print-deck__body figcaption{color:#5a6372;font-size:9pt}.print-deck__question{font-size:18pt;font-weight:700}.print-deck__equation{font-size:17pt;font-weight:700}.print-deck__body table{border-collapse:collapse}.print-deck__body th,.print-deck__body td{border:1px solid #cdd2da;padding:2mm 4mm}.timeline{padding-top:18px}.timeline__item{position:relative}.timeline__item.starts-phase:before{content:attr(data-phase);max-width:100%;font-size:var(--font-size-2xs);letter-spacing:.06em;text-transform:uppercase;white-space:nowrap;text-overflow:ellipsis;color:var(--brand-gold);font-weight:700;position:absolute;top:-16px;left:0;overflow:hidden}.timeline__item.starts-phase:not(:first-child){margin-left:8px}.tool-panel--wide{width:380px}.showme{gap:var(--space-sm);max-height:380px;display:grid;overflow:auto}.showme__group{margin:var(--space-sm) 0 var(--space-xs);font-size:var(--font-size-xs);letter-spacing:.05em;text-transform:uppercase;color:var(--color-muted);font-weight:700}.showme__list{gap:2px;margin:0;padding:0;list-style:none;display:grid}.showme__item{width:100%;min-height:36px;padding:var(--space-xs) var(--space-sm);border-radius:var(--radius-sm);background:var(--color-surface-muted);text-align:left;font:inherit;font-size:var(--font-size-sm);border:0}.showme__item:hover{background:var(--color-accent-soft)}.showme-overlay{z-index:9;background:var(--brand-navy);position:absolute;inset:0}.showme-overlay__back{left:var(--space-lg);top:var(--space-lg);z-index:3;position:absolute}.player-sim--full{position:absolute;inset:0}.hands{gap:var(--space-xs);margin:var(--space-sm) 0;flex-wrap:wrap;display:flex}.marks{gap:2px;max-height:260px;margin:0;padding:0;list-style:none;display:grid;overflow:auto}.marks__row{align-items:center;gap:var(--space-xs);font-size:var(--font-size-sm);grid-template-columns:1fr auto auto;display:grid}.marks__btn{border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface);place-items:center;width:36px;height:32px;display:grid}.marks__btn.is-right{background:var(--color-success-soft);border-color:var(--color-success);color:var(--color-success)}.marks__btn.is-wrong{background:var(--color-error-soft);border-color:var(--color-error);color:var(--color-error)}.join-overlay{z-index:12;background:var(--color-stage-glass-hover);place-items:center;display:grid;position:absolute;inset:0}.join-overlay__card{justify-items:center;gap:var(--space-md);width:min(720px, calc(100% - 2 * var(--space-xl)));padding:var(--space-2xl);border-radius:var(--radius-lg);background:var(--color-surface);color:var(--color-text);text-align:center;display:grid}.join-overlay__steps{font-size:var(--font-size-lg);margin:0}.join-overlay__code{font-family:var(--font-display);letter-spacing:.18em;color:var(--brand-navy);margin:0;font-size:clamp(3rem,2rem + 5vw,6rem);font-weight:700}.review-summary{margin:var(--space-md) 0 var(--space-sm)}