.flashcard-topic-divider{position:relative}@media(min-width:1024px){.flashcard-topic-divider:before{content:"";position:absolute;left:0;top:0;width:2px;height:100%;pointer-events:none;background:linear-gradient(to bottom,transparent,hsl(var(--quiz-cyan) / .35) 18%,hsl(var(--quiz-ink) / .8) 38%,hsl(var(--quiz-violet) / .3) 70%,transparent)}}.flashcards-top{border:1px solid transparent;background:linear-gradient(145deg,hsl(var(--quiz-wall) / .78),hsl(var(--quiz-surface) / .6)) padding-box,linear-gradient(125deg,hsl(var(--quiz-cyan) / .48),hsl(var(--quiz-ink) / .13) 45%,hsl(var(--quiz-violet) / .4)) border-box;box-shadow:0 16px 50px hsl(var(--quiz-cyan) / .09),0 18px 60px hsl(var(--quiz-violet) / .08),inset 0 1px hsl(var(--quiz-ink) / .12);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.flashcard-topic{position:relative;isolation:isolate;overflow:hidden;color:hsl(var(--quiz-ink));font-family:var(--font-heading);background:transparent;border:1px solid transparent;box-shadow:none;transition:box-shadow .25s,transform .25s}.flashcard-topic-label{background:linear-gradient(120deg,hsl(var(--quiz-ink) / .82),color-mix(in srgb,var(--topic-accent) 32%,hsl(var(--quiz-ink))));background-clip:text;-webkit-background-clip:text;color:transparent}.flashcard-topic:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;border-radius:inherit;padding:1px;pointer-events:none;background:linear-gradient(115deg,color-mix(in srgb,var(--topic-accent) 62%,transparent),hsl(var(--quiz-ink) / .36) 50%,hsl(var(--quiz-ink) / .12));-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude}.flashcard-topic:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;background:linear-gradient(110deg,transparent 22%,hsl(var(--quiz-ink) / .35) 48%,transparent 72%);transform:translate(-140%);transition:transform .65s ease}.flashcard-topic:hover,.flashcard-topic:focus-visible{color:hsl(var(--quiz-ink));transform:translateY(-2px);background:transparent;box-shadow:0 0 18px color-mix(in srgb,var(--topic-accent) 16%,transparent)}.flashcard-topic:hover:after,.flashcard-topic:focus-visible:after{transform:translate(140%)}.flashcard-topic:hover:before,.flashcard-topic:focus-visible:before,.flashcard-topic[aria-pressed=true]:before{background:linear-gradient(115deg,var(--topic-accent),hsl(var(--quiz-ink) / .48) 50%,transparent 100%)}.flashcard-topic[aria-pressed=true]{background:linear-gradient(135deg,color-mix(in srgb,var(--topic-accent) 22%,transparent),color-mix(in srgb,var(--topic-accent) 9%,transparent));box-shadow:0 6px 18px color-mix(in srgb,var(--topic-accent) 22%,transparent),inset 0 1px hsl(var(--quiz-ink) / .14);transform:translateY(-1px)}.flashcard-topic[aria-pressed=true] .flashcard-topic-label{background:linear-gradient(120deg,hsl(var(--quiz-ink)),var(--topic-accent));background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent;color:transparent}.flashcard-topic:focus-visible{outline:2px solid hsl(var(--quiz-ink));outline-offset:4px}.flashcard-number{color:transparent;background:linear-gradient(145deg,hsl(var(--quiz-ink) / .56),hsl(var(--quiz-muted) / .2) 55%,hsl(var(--quiz-ink) / .43));background-clip:text;-webkit-background-clip:text;filter:drop-shadow(1px 4px 7px hsl(var(--quiz-wall) / .88)) drop-shadow(0 0 18px hsl(var(--quiz-wall) / .6))}.flashcard:not(.has-interacted) .flashcard-face:not(.flashcard-back) .flashcard-card-text{background:linear-gradient(135deg,#fff,color-mix(in srgb,var(--topic-accent) 55%,#ffffff) 48%,#fff);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent;color:transparent;filter:drop-shadow(0 3px 14px rgba(0,0,0,.95))}.flashcard-reveal{color:#fff;overflow:hidden;isolation:isolate;position:relative;background:transparent;box-shadow:none;transition:transform .25s cubic-bezier(.2,.8,.2,1),box-shadow .25s ease}.flashcard-reveal>*{position:relative;z-index:3}.flashcard-reveal:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;border-radius:inherit;padding:1px;pointer-events:none;background:linear-gradient(135deg,#fffdeb,#fffbdc 12%,#fcd34deb 22%,#f59e0b80 38%,#3c28088c 55%,#140d0359 68%,#fbbf246b 82%,#fff8c799);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;z-index:1;filter:drop-shadow(0 0 7px rgba(255,244,175,.65)) drop-shadow(0 5px 12px rgba(0,0,0,.5));transition:background .3s ease}.flashcard-reveal:after{content:"";position:absolute;top:0;left:-160%;width:50%;height:100%;background:linear-gradient(115deg,transparent 20%,rgba(255,255,255,.72) 48%,rgba(255,255,255,.95) 52%,transparent 80%);transform:skew(-22deg);transition:left 1.8s cubic-bezier(.2,.8,.2,1);pointer-events:none;z-index:2}.flashcard-reveal svg:first-child{color:var(--topic-accent)}.flashcard-reveal-arrow{transition:transform .25s}.flashcard:hover .flashcard-reveal,.flashcard:focus-visible .flashcard-reveal{transform:translate(-50%,-4px);background:transparent;box-shadow:0 0 34px #f59e0b61,0 0 18px #fff4af4d,0 10px 26px #0000008c}.flashcard:hover .flashcard-reveal:before,.flashcard:focus-visible .flashcard-reveal:before{background:linear-gradient(135deg,#fffdf0,#fffbe1 12%,#fcd34d 22%,#f59e0ba6 38%,#281b05b3 55%,#0f0a0280 68%,#fbbf2485 82%,#fff8c7b3)}.flashcard:hover .flashcard-reveal:after,.flashcard:focus-visible .flashcard-reveal:after{left:145%}.flashcard:hover .flashcard-reveal-arrow{transform:translate(2px,-2px)}@media(prefers-reduced-motion:reduce){.flashcard-topic,.flashcard-topic:after,.flashcard-reveal,.flashcard-reveal:after,.flashcard-reveal-arrow{transition:none}}.quiz-invitation{position:relative;background:hsl(var(--quiz-wall));border:1px solid hsl(var(--quiz-ink) / .3);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);box-shadow:inset 1px 2px 1px hsl(var(--quiz-ink) / .25),0 6px hsl(var(--quiz-wall) / .7),0 15px 30px hsl(var(--quiz-wall) / .5)}.quiz-invitation:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;border-radius:inherit;padding:1px;pointer-events:none;z-index:1;background:linear-gradient(120deg,hsl(var(--quiz-cyan) / .7),hsl(var(--quiz-gold) / .9),hsl(var(--quiz-violet) / .7),hsl(var(--quiz-cyan) / .7));background-size:300% 100%;-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;animation:quizInvitationBorder 8s linear infinite;filter:drop-shadow(0 0 4px hsl(var(--quiz-cyan) / .45))}@keyframes quizInvitationBorder{to{background-position:300% center}}.quiz-invitation-art{-webkit-mask-image:radial-gradient(ellipse at top left,#000 0%,#000 12%,transparent 78%);mask-image:radial-gradient(ellipse at top left,#000 0%,#000 12%,transparent 78%)}.quiz-invitation-button{position:relative;isolation:isolate;overflow:hidden;background:linear-gradient(130deg,hsl(var(--quiz-ink) / .22),hsl(var(--quiz-cyan) / .12),hsl(var(--quiz-violet) / .24));-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);box-shadow:inset 0 2px 2px hsl(var(--quiz-ink) / .3),inset 0 -3px 5px hsl(var(--quiz-wall) / .3),0 4px hsl(var(--quiz-wall)),0 10px 18px hsl(var(--quiz-wall) / .5);transition:transform .2s ease,box-shadow .2s ease}.quiz-invitation-button:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;border-radius:inherit;padding:1px;pointer-events:none;background:linear-gradient(120deg,hsl(var(--quiz-cyan)),hsl(var(--quiz-violet)),hsl(var(--quiz-gold)),hsl(var(--quiz-cyan)));background-size:300% 100%;-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;animation:quizButtonBorder 7s linear infinite;filter:drop-shadow(0 0 3px hsl(var(--quiz-cyan) / .5))}@keyframes quizButtonBorder{to{background-position:300% center}}.quiz-invitation-button:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;background:linear-gradient(110deg,transparent 20%,hsl(var(--quiz-ink) / .3) 50%,transparent 80%);transform:translate(-120%);transition:transform .65s ease}.quiz-invitation-button:hover{transform:translateY(-3px);box-shadow:inset 0 2px 3px hsl(var(--quiz-ink) / .4),0 7px hsl(var(--quiz-wall)),0 12px 26px hsl(var(--quiz-cyan) / .2)}.quiz-invitation-button:hover:after{transform:translate(120%)}.quiz-invitation-button:active{transform:translateY(2px)}.quiz-invitation-button:focus-visible{outline:2px solid hsl(var(--quiz-cyan));outline-offset:4px}@media(prefers-reduced-motion:reduce){.quiz-invitation-button,.quiz-invitation-button:after{transition:none}}.kids-question[data-kids-theme=ocean]{--kids-start: var(--kids-ocean-start);--kids-end: var(--kids-ocean-end)}.kids-question[data-kids-theme=violet]{--kids-start: var(--kids-violet-start);--kids-end: var(--kids-violet-end)}.kids-question[data-kids-theme=sunshine]{--kids-start: var(--kids-sunshine-start);--kids-end: var(--kids-sunshine-end)}.kids-question[data-kids-theme=mint]{--kids-start: var(--kids-mint-start);--kids-end: var(--kids-mint-end)}.kids-question[data-kids-theme=berry]{--kids-start: var(--kids-berry-start);--kids-end: var(--kids-berry-end)}.kids-question{position:relative;isolation:isolate;overflow:hidden;padding:28px 22px 32px;border-radius:28px;background:linear-gradient(125deg,hsl(var(--kids-start)),hsl(var(--kids-end)));border:2px solid hsl(var(--quiz-ink) / .65);box-shadow:inset 0 3px 2px hsl(var(--quiz-ink) / .5),inset 0 -4px hsl(var(--quiz-wall) / .1),0 7px hsl(var(--kids-end) / .45),0 18px 35px hsl(var(--quiz-wall) / .45);color:hsl(var(--quiz-wall))}.kids-question-art{position:absolute!important;top:0;right:0;bottom:0;left:0;width:100%;height:100%;opacity:.6;pointer-events:none;-o-object-fit:cover;object-fit:cover;z-index:0;-webkit-mask-image:linear-gradient(180deg,transparent 0%,#000 20%,#000 80%,transparent 100%);mask-image:linear-gradient(180deg,transparent 0%,#000 20%,#000 80%,transparent 100%)}.kids-question:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;z-index:1;pointer-events:none;background:linear-gradient(170deg,hsl(var(--quiz-wall) / .18),hsl(var(--quiz-wall) / .42))}.kids-question>span,.kids-question>h3,.kids-question>div:not(.kids-question-art){position:relative;z-index:2}.kids-question>span{color:hsl(var(--quiz-wall));font-weight:800;font-size:.8rem}.kids-question h3{color:hsl(var(--quiz-wall));font-weight:800}.kids-question .quiz-outline-button{border:1px solid hsl(var(--quiz-ink) / .9);background:hsl(var(--quiz-ink) / .9);box-shadow:inset 0 2px 1px hsl(var(--quiz-ink)),0 5px hsl(var(--quiz-wall) / .18),0 8px 14px hsl(var(--quiz-wall) / .08);color:hsl(var(--quiz-wall));font-weight:700;transition:background .18s ease,box-shadow .18s ease,transform .18s ease}.kids-question .quiz-outline-button span{color:hsl(var(--quiz-wall));background:hsl(var(--kids-start));border-color:hsl(var(--kids-end));font-weight:900}.kids-question .quiz-outline-button:hover:not(:disabled){background:hsl(var(--quiz-ink));transform:translateY(-3px);box-shadow:0 8px hsl(var(--quiz-wall) / .18),0 12px 20px hsl(var(--quiz-wall) / .14)}.kids-question .quiz-outline-button:hover:not(:disabled) span{color:hsl(var(--quiz-wall));background:hsl(var(--kids-end))}.kids-question .quiz-outline-button:active:not(:disabled){transform:translateY(3px);box-shadow:0 1px hsl(var(--quiz-wall) / .18)}.kids-question .quiz-outline-button:focus-visible{outline:3px solid hsl(var(--quiz-wall));outline-offset:3px}@media(prefers-reduced-motion:reduce){.kids-question .quiz-outline-button{transition:none}.kids-question .quiz-outline-button:hover:not(:disabled),.kids-question .quiz-outline-button:active:not(:disabled){transform:none}}