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alternate}.nt-car.is-missing>span{position:absolute;z-index:2;top:20%;left:31%;width:38%;height:39%;pointer-events:none;border-radius:50%;background:radial-gradient(circle,#fff9 0 38%,#ffe77854 58%,transparent 74%);filter:blur(2px);animation:nt-slot-glow 1.15s ease-in-out infinite alternate}.nt-car.is-filled{animation:nt-car-pop .64s cubic-bezier(.2,1.55,.35,1) both}.nt-car.is-filled strong{animation:nt-number-pop .58s cubic-bezier(.2,1.65,.35,1) both}.nt-steam{position:absolute;z-index:10;top:3%;right:6.4%;width:90px;height:82px;pointer-events:none}.nt-steam i{position:absolute;right:6px;bottom:4px;width:24px;height:24px;border-radius:50%;background:#fffde8d9;box-shadow:inset 0 -3px 7px #a8d5dc5c,0 3px 8px #5b7b7c24;opacity:0}.nt-train.is-complete .nt-steam i{animation:nt-steam-puff 1.15s ease-out infinite}.nt-train.is-complete .nt-steam i:nth-child(2){animation-delay:.28s}.nt-train.is-complete .nt-steam i:nth-child(3){animation-delay:.56s}.nt-train.is-moving{animation:nt-depart 1.58s cubic-bezier(.42,.02,.62,.98) both}.nt-choices{position:absolute;z-index:12;left:50%;bottom:8.5%;display:flex;width:min(520px,72%);align-items:flex-end;justify-content:space-around;gap:clamp(24px,6vw,78px);transform:translateX(-50%)}.nt-choices button{position:relative;display:grid;width:clamp(76px,9vw,112px);height:clamp(76px,9vw,112px);padding:0;place-items:center;cursor:grab;border:0;border-radius:50%;color:#fffdf1;background:transparent;font:inherit;touch-action:manipulation;-webkit-tap-highlight-color:transparent}.nt-choices button:before{content:"";position:absolute;z-index:-1;right:11%;bottom:8%;left:11%;height:18%;border-radius:50%;background:#36541d4a;filter:blur(7px);transform:scaleX(1.12)}.nt-choices button span{display:block;font-size:clamp(54px,7.5vw,88px);font-weight:1000;line-height:1;letter-spacing:-.08em;-webkit-text-stroke:2px #99503a;paint-order:stroke fill;text-shadow:0 2px 0 #fff8c5,0 5px 0 #ef9655,0 9px 0 #ba573f,0 13px 15px #3a4d264d;transform:translateZ(0);transition:transform .16s ease,filter .16s ease}.nt-choices button:nth-child(2) span{color:#fff5c0;-webkit-text-stroke-color:#3b7891;text-shadow:0 2px 0 #fff,0 5px 0 #77c9d7,0 9px 0 #357990,0 13px 15px #3a4d264d}.nt-choices button:nth-child(3) span{color:#fff9d4;-webkit-text-stroke-color:#6d5a9e;text-shadow:0 2px 0 #fff,0 5px 0 #b399e2,0 9px 0 #7259a4,0 13px 15px #3a4d264d}.nt-choices button:hover span{filter:brightness(1.08);transform:translateY(-6px) scale(1.06)}.nt-choices button:active{cursor:grabbing}.nt-choices button:active span{transform:translateY(3px) scale(.95)}.nt-choices button:focus-visible{outline:5px solid #fff26c;outline-offset:3px}.nt-choices button.is-wrong span{animation:nt-choice-shake .52s ease-in-out}.nt-feedback{position:absolute!important;z-index:11;right:12px;bottom:2.1%;left:12px;margin:0;color:#fdfbea;font-size:clamp(13px,1.7vw,18px);font-weight:900;text-align:center;text-shadow:0 2px 4px #3d552fbd}.nt-feedback.is-active{color:#fff4b2;animation:nt-feedback-pop .35s ease-out}@keyframes nt-question-pulse{to{transform:translate(-50%,-50%) scale(1.09)}}@keyframes nt-slot-glow{to{opacity:.62;transform:scale(1.08)}}@keyframes nt-car-pop{0%{transform:scale(.86)}62%{transform:scale(1.06)}to{transform:scale(1)}}@keyframes nt-number-pop{0%{opacity:.2;transform:translate(-50%,-50%) scale(.2) rotate(-12deg)}72%{transform:translate(-50%,-50%) scale(1.16) rotate(3deg)}}@keyframes nt-steam-puff{0%{opacity:0;transform:translateZ(0) scale(.35)}24%{opacity:.85}to{opacity:0;transform:translate3d(-34px,-62px,0) scale(1.55)}}@keyframes nt-depart{0%,12%{transform:translate3d(-50%,0,0) scale(1.15)}22%{transform:translate3d(-53%,0,0) scale(1.15)}to{transform:translate3d(118%,0,0) scale(1.15)}}@keyframes nt-choice-shake{0%,to{transform:translateX(0) rotate(0)}24%{transform:translateX(-8px) rotate(-5deg)}52%{transform:translateX(7px) rotate(4deg)}76%{transform:translateX(-3px) rotate(-2deg)}}@keyframes nt-feedback-pop{0%{opacity:0;transform:translateY(5px) scale(.96)}}@media (max-width:760px){.number-train .nt-scene-background{object-position:50% center}.number-train .nt-train{bottom:32.3%;width:94%;height:clamp(155px,34vw,225px)}.nt-wagons{height:100%}.nt-locomotive{width:25%;flex-basis:25%;margin-left:-5%}.nt-car{margin-right:-6%}.nt-car strong{top:39%;font-size:clamp(23px,6vw,34px)}.nt-steam{top:5%;right:5%;transform:scale(.76);transform-origin:right bottom}.nt-choices{bottom:10%;width:min(430px,84%);gap:18px}.nt-feedback{bottom:2.8%}}@media (max-width:520px){.number-train .nt-train{bottom:32.2%;width:96%;height:170px}.nt-wagons{height:100%}.nt-locomotive{width:24%;flex-basis:24%}.nt-car{margin-right:-6.5%}.nt-car strong{top:39%;width:36px;height:36px;font-size:23px}.nt-choices{bottom:10.5%;width:90%}.nt-choices button{width:74px;height:74px}.nt-choices button span{font-size:clamp(50px,17vw,72px);-webkit-text-stroke-width:1px}.nt-feedback{right:7px;bottom:2%;left:7px;font-size:12px}}@media (prefers-reduced-motion:reduce){.nt-car.is-filled,.nt-car.is-filled strong,.nt-car.is-missing strong,.nt-car.is-missing>span,.nt-choices button.is-wrong span,.nt-feedback.is-active,.nt-train.is-complete .nt-steam i,.nt-train.is-moving,.number-train .nt-scene-background{animation:none!important}}