.plateau .droite{stroke-width:2.2}.plateau .droite.choisie{stroke-width:3.4}.plateau .secante{stroke-width:1.8}.plateau .secteur{stroke:currentColor;stroke-width:1.4}.plateau .zone-droite{stroke:transparent;stroke-width:24;cursor:pointer}.plateau .zone-droite:hover{stroke:var(--blue-transparent);stroke-opacity:.25}.plateau .calque .secteur{fill:currentColor;fill-opacity:.18;stroke-dasharray:4 4;stroke-width:2}.plateau .calque-droite{stroke-width:2.6;stroke-dasharray:9 6}.plateau .arc-plat{stroke-width:2.4}.plateau .estompe{opacity:.22}.plateau .point-plein{fill:currentColor;stroke:none}.plateau text.mesure-angle{font-weight:700}.plateau text.mesure-angle,.plateau text.nom-droite,.plateau text.nom-secante{paint-order:stroke;stroke:var(--aside-color);stroke-width:4px;stroke-linejoin:round}.plateau text.nom-secante{font-size:14px}.titre-collection{margin:16px 0 6px;text-align:left}.collection-paires{display:flex;flex-direction:column;gap:8px}.famille-paires{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.famille-paires .nom-famille{min-width:7em;text-align:left}.vignette-paire{display:flex;align-items:center;justify-content:center;min-width:104px;height:40px;padding:0 8px;border:1px solid var(--aside-border-color);border-radius:6px;color:var(--blue-text);font-variant-numeric:tabular-nums;white-space:nowrap}.vignette-paire.vide{border-style:dashed;opacity:.5}.vignette-paire.signalee{outline:3px solid var(--green-text);outline-offset:1px;animation:clignoter-paire .5s ease-in-out 4 alternate}@keyframes clignoter-paire{0%{outline-color:var(--green-text)}to{outline-color:transparent}}.reponse-activite{display:flex;flex-wrap:wrap;gap:6px;align-items:center;justify-content:center;margin-top:10px}.demonstration-redigee{margin:12px auto 0;padding:6px 12px 6px 34px;max-width:620px;border:1px dashed var(--aside-border-color);border-radius:8px;text-align:left}.demonstration-redigee li{margin:4px 0;animation:apparaitre .4s ease-out}@keyframes apparaitre{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}@media (max-width:560px){.plateau text{font-size:21px}.plateau text.nom-secante{font-size:19px}.famille-paires .nom-famille{flex-basis:100%}.vignette-paire{min-width:74px}}