:root{--ink:#17385e;--blue:#134c78;--frost:#e8fcff;--ice:#a4edff;--mint:#75f6e9;--gold:#ffe49b;--pink:#ffb9cb}*{box-sizing:border-box}html,body{min-height:100%}body{margin:0;background:radial-gradient(ellipse at 60% 0,#35618b 0,#142d50 46%,#0b1a35 100%);font-family:'Trebuchet MS',Arial,sans-serif;color:#f2fcff}.shell{width:min(1320px,calc(100% - 32px));margin:auto}.topbar{min-height:102px;display:flex;justify-content:space-between;align-items:center;gap:18px}.identity{display:flex;align-items:center;gap:16px}.flake{font-size:57px;color:#c8fbff;text-shadow:0 0 30px #7bdaf5;animation:spin 25s linear infinite}.eyebrow{font:700 11px 'Courier New',monospace;letter-spacing:2.5px;color:#b9e3f9}.identity h1{margin:2px 0;font:900 clamp(29px,4vw,53px) Impact,'Arial Black',sans-serif;letter-spacing:2px;text-shadow:3px 4px #0c3358}.identity h1 span{color:#93f9fa}.return{color:#dffaff;text-decoration:none;font:bold 12px 'Courier New',monospace;border:1px solid #78c8de88;border-radius:20px;padding:12px 18px;background:#0f345b}.return:hover{background:#22618c}.game-wrap{border:3px solid #82dcf4;border-radius:20px;overflow:hidden;box-shadow:0 0 0 6px #163a62,0 22px 65px #030e28c9;background:#0d2b4b}.hud{min-height:81px;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 22px;background:linear-gradient(180deg,#183d63,#102c4f)}.hud>div{min-width:75px;display:flex;flex-direction:column;gap:5px}.hud small{font:700 10px 'Courier New',monospace;letter-spacing:2px;color:#96c8e0}.hud strong{font:900 clamp(14px,1.9vw,22px) 'Courier New',monospace;color:white;white-space:nowrap}.hud .hearts{color:#ffc1cc}.sound{background:#1c5676;color:#f6ffff;border:1px solid #6ac3d7;border-radius:8px;padding:10px 13px;font-weight:900;cursor:pointer}.time-track{height:7px;background:#123452}.time-track>div{width:100%;height:100%;background:linear-gradient(90deg,#67f6e9,#b1f1ff,#ffdd9e);transition:width .08s linear}.world{height:610px;overflow:hidden;position:relative;isolation:isolate;background:linear-gradient(#315b8c 0%,#6da0c3 61%,#d7f4fa 100%);transition:background .6s}.world-lake{background:linear-gradient(#234c72,#4b88aa 57%,#a0cfdf)}.world-mountain{background:linear-gradient(#1c3668,#547ba9 58%,#bedce9)}.world-castle{background:linear-gradient(#1c244d,#5d75a9 60%,#d9ddf6)}.world-fjord{background:linear-gradient(#162e58,#477d9d 59%,#a5d9e3)}.world-aurora{background:linear-gradient(#0b173c,#234766 55%,#a5d6ec)}.aurora{position:absolute;inset:-100px 0 40%;background:radial-gradient(ellipse at 26% 38%,#b6f6ff88,transparent 42%);pointer-events:none;z-index:0}.world-aurora .aurora{background:radial-gradient(ellipse at 35% 10%,#65f7c999,transparent 60%),radial-gradient(ellipse at 72% 28%,#bd8cff88,transparent 55%);animation:breathe 5s ease-in-out infinite alternate}.moon{position:absolute;top:45px;right:95px;width:82px;height:82px;border-radius:50%;background:#f8ffff;box-shadow:0 0 50px #e2ffffc8,0 0 110px #f3ffff55;opacity:.7;z-index:0}.scenery{position:absolute;inset:0;z-index:0;pointer-events:none}.scenery svg{width:100%;height:100%;display:block}.snow{position:absolute;inset:-10% 0;z-index:3;pointer-events:none;opacity:.65;background-image:radial-gradient(circle,#fff 1.5px,transparent 2px),radial-gradient(circle,#f8ffff 1px,transparent 1.5px);background-size:97px 83px,151px 113px;animation:snowfall 13s linear infinite}.snow-far{opacity:.38;filter:blur(.6px);background-size:67px 100px,173px 145px;animation-duration:24s;animation-direction:reverse}.stage-caption{position:absolute;left:29px;top:28px;display:flex;flex-direction:column;gap:4px;z-index:4;text-shadow:0 2px 9px #052244}.stage-caption span{color:#d7f8ff;font:700 12px 'Courier New',monospace;letter-spacing:3px}.stage-caption strong{color:#fff;font:900 24px Impact,'Arial 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.eye{position:absolute;top:39px;width:9px;height:10px;border-radius:50%;background:#1d415c}.snowman .e1{left:27px}.snowman .e2{left:67px}.snowman .nose{position:absolute;left:48px;top:49px;border-top:8px solid transparent;border-bottom:7px solid transparent;border-left:37px solid #f28b43;transform:rotate(10deg)}.snowman .smile{position:absolute;left:35px;top:66px;width:42px;height:19px;border-bottom:4px dotted #295271;border-radius:50%}.snowman .scarf{position:absolute;top:111px;left:30px;width:120px;height:20px;transform:rotate(-8deg);border-radius:10px;background:#ed668d;z-index:4;box-shadow:0 5px #ce4a76}.snowman .button{position:absolute;left:66px;width:10px;height:10px;border-radius:50%;background:#245173}.snowman .b1{top:38px}.snowman .b2{top:66px}.snowman .b3{top:94px}.snowman .arm{position:absolute;top:139px;width:78px;height:7px;background:#775b46;z-index:-1}.snowman .arm-left{left:-34px;transform:rotate(-35deg)}.snowman .arm-right{right:-43px;transform:rotate(28deg)}.snowman .base-shadow{position:absolute;bottom:-10px;left:-9px;width:190px;height:24px;background:#45789b44;border-radius:50%;z-index:-2}.question-bubble{position:absolute;top:94px;left:27%;right:8%;z-index:5;text-align:center;background:#e9fbffef;border:4px solid #fff;border-radius:32px;padding:18px 18px 20px;box-shadow:0 12px 0 #17557b66,0 17px 30px #13354b6e;color:#174467}.question-bubble:after{content:'';position:absolute;bottom:-21px;left:13%;width:31px;height:31px;transform:rotate(45deg);background:#e9fbff;border-right:4px solid #fff;border-bottom:4px solid #fff}.question-lead{font:bold 11px 'Courier New',monospace;letter-spacing:2px;color:#457e9a}.question{font:900 clamp(33px,4vw,51px) Georgia,serif;margin:7px auto 5px;line-height:1.2}.question-hint{font:700 12px 'Courier New',monospace;color:#45798a}.answers{position:absolute;left:28%;right:6%;top:320px;display:grid;grid-template-columns:repeat(2,1fr);gap:18px 28px;z-index:6}.answer{position:relative;min-height:93px;padding:11px 22px;border:3px solid #fff;border-radius:45% 45% 38% 38% / 55% 55% 45% 45%;background:linear-gradient(#fcfffff5,#d6f3f9e8);box-shadow:0 10px 0 #477b9c80,0 15px 28px #183f6170;color:#1b5174;cursor:pointer;transition:transform .13s,background .13s,box-shadow .13s;animation:floaty 3.6s ease-in-out infinite}.answer:nth-child(2){animation-delay:-1.1s}.answer:nth-child(3){animation-delay:-2.3s}.answer:nth-child(4){animation-delay:-.5s}.answer:hover,.answer:focus-visible{background:linear-gradient(#fff,#a5f5ec);outline:3px solid #ffe49b;transform:translateY(-5px) scale(1.025);animation-play-state:paused}.answer:disabled{cursor:default}.answer-number{position:absolute;left:15px;top:10px;font:bold 12px 'Courier New',monospace;background:#41769b;color:white;border-radius:50%;width:25px;height:25px;display:grid;place-items:center}.answer-value{font:900 clamp(22px,2.4vw,33px) Georgia,serif;white-space:nowrap}.answer.correct{background:#b3ffe7;border-color:#59eabb;color:#155b4c}.answer.incorrect{background:#ffd2e2;border-color:#ff8baf;color:#802c4c}.world-lake .answer{border-radius:30% 60% 38% 54%;background:linear-gradient(#e9fcff,#b5e7f6)}.world-mountain .answer{border-radius:18px;clip-path:polygon(5% 18%,92% 0,100% 78%,84% 100%,0 93%);background:linear-gradient(#faffff,#c9e5f5)}.world-castle .answer{border-radius:12px 30px;background:linear-gradient(135deg,#f4eaff,#c8e8ff)}.world-fjord .answer{border-radius:55% 35% 50% 35%;background:linear-gradient(#d4f8ff,#9fd9ec)}.world-aurora .answer{border-radius:18px;background:linear-gradient(145deg,#e5fff9,#c8ceff);border-color:#abfff0}.feedback{position:absolute;bottom:10px;left:28%;right:7%;text-align:center;min-height:43px;z-index:8;color:#0b4265;background:#ebfcffe8;border-radius:15px;font:bold 18px Georgia,serif;padding:8px 12px;opacity:0;transition:opacity .15s}.feedback.show{opacity:1}.feedback.good{color:#0b725b}.feedback.bad{color:#ac355e}.bottomline{display:flex;justify-content:space-between;gap:12px;padding:13px 20px;background:#123450;font:700 11px 'Courier New',monospace;letter-spacing:1px;color:#bfe8f5}.overlay{position:absolute;inset:0;background:#0b2446c9;backdrop-filter:blur(5px);display:none;align-items:center;justify-content:center;padding:22px;z-index:20}.overlay.active{display:flex}.modal{width:min(620px,100%);max-height:95%;overflow-y:auto;text-align:center;border:3px solid #d1faff;border-radius:24px;padding:30px 35px 24px;background:linear-gradient(145deg,#24577f,#102f5c);box-shadow:0 0 0 8px #ffffff1c,0 23px 60px #001b3ca0}.modal-kicker{font:700 12px 'Courier New',monospace;color:#a9f5fd;letter-spacing:2px}.modal h2{font:900 clamp(38px,5vw,62px) Impact,'Arial Black',sans-serif;line-height:1.05;letter-spacing:2px;margin:18px 0}.modal h2 span{color:#a2ffef}.modal p{line-height:1.6;font-size:16px;color:#e1f5ff}.level-pills{display:flex;justify-content:center;flex-wrap:wrap;gap:7px;margin:21px 0}.level-pills span{padding:7px 10px;background:#3d7d9e;border:1px solid #78cde4;border-radius:6px;font:bold 10px 'Courier New',monospace}.primary{display:block;margin:23px auto 8px;padding:15px 35px;border:0;border-radius:12px;background:#a3ffdf;color:#184566;box-shadow:0 6px #43bfa8;font:900 22px Impact,'Arial Black',sans-serif;letter-spacing:1px;cursor:pointer}.primary:hover{background:#fff1b4}.modal .micro{font:700 10px 'Courier New',monospace;color:#a8d1e8;letter-spacing:1px}.footer{padding:15px 6px 30px;display:flex;justify-content:space-between;gap:20px;color:#a9c7dc;font:11px/1.5 'Courier New',monospace}.footer p{max-width:740px;margin:0}.footer span{white-space:nowrap}@keyframes snowfall{to{transform:translateY(110px)}}@keyframes floaty{50%{translate:0 -7px}}@keyframes wobble{50%{transform:rotate(2deg)}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes breathe{to{opacity:.6;transform:translateX(18px)}}
@media(max-width:800px){.topbar{min-height:86px}.return{font-size:10px;padding:9px}.world{height:660px}.snowman{transform:scale(.7);transform-origin:bottom left;left:2%;bottom:65px;animation:none}.question-bubble{left:17%;right:4%;top:104px}.answers{top:330px;left:18%;right:4%;gap:17px}.hud{padding:10px;gap:7px;flex-wrap:wrap}.hud>div{min-width:65px}.hud small{font-size:8px}.hud strong{font-size:14px}.answer-value{font-size:25px}.stage-caption{top:15px;left:16px}.stage-caption strong{font-size:18px}.footer{display:block}.footer span{display:block;margin-top:9px}}
@media(max-width:520px){.shell{width:100%}.topbar{padding:10px 12px;min-height:70px}.identity{gap:8px}.flake{font-size:34px}.eyebrow{font-size:7px;letter-spacing:1px}.identity h1{font-size:29px;letter-spacing:0}.return{font-size:8px;max-width:124px;line-height:1.4;padding:7px}.game-wrap{border:0;border-radius:0}.hud{justify-content:space-around}.hud>div{min-width:auto}.hud strong{font-size:12px}.hud small{font-size:8px;letter-spacing:1px}.sound{padding:6px;font-size:10px}.world{height:620px}.stage-caption strong{font-size:15px}.snowman{transform:scale(.51);bottom:36px;left:0}.question-bubble{top:91px;left:8%;right:5%;padding:17px 8px 16px;border-width:3px}.question{font-size:34px}.question-lead{font-size:9px}.question-hint{font-size:10px}.answers{left:6%;right:6%;top:305px;gap:15px 11px}.answer{min-height:92px;padding:12px 6px}.answer-number{width:21px;height:21px;top:5px;left:8px;font-size:10px}.answer-value{font-size:23px}.feedback{bottom:12px;left:4%;right:4%;font-size:14px}.bottomline{font-size:8px;padding:12px}.bottomline span:last-child{display:none}.modal{padding:20px 17px}.modal h2{font-size:43px}.modal p{font-size:14px}.footer{padding:14px;font-size:9px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}}
.speed-burst{position:absolute;z-index:18;top:160px;left:50%;translate:-50% 0;width:660px;max-width:90%;height:380px;pointer-events:none;opacity:0;transform:scale(.65) rotate(-8deg)}
.speed-burst.show{animation:speed-pop 2.24s cubic-bezier(.2,.8,.2,1) both}
.burst-label{position:absolute;left:12%;top:28%;width:76%;border:5px solid #fff8d5;background:linear-gradient(135deg,#91fff2,#d8fcff);border-radius:36px;padding:24px 20px;text-align:center;color:#126e8e;box-shadow:0 12px #1aa4b8,0 0 45px #e3ffff;transform:rotate(-5deg);font:900 40px Impact,'Arial Black',sans-serif;letter-spacing:1px}
.burst-label strong{display:block;color:#ed6594;font:900 88px Impact,'Arial Black',sans-serif;text-shadow:3px 3px white}.burst-label small{display:block;font:bold 20px 'Courier New',monospace;letter-spacing:2px}
.burst-flake{position:absolute;color:#fffefa;font-size:96px;text-shadow:0 0 20px #21c6ee;animation:flake-out 2s ease-out both}.f1{top:0;left:5%;--dx:-55px;--dy:-30px}.f2{top:0;right:8%;--dx:65px;--dy:-40px}.f3{bottom:1%;left:4%;--dx:-65px;--dy:45px}.f4{bottom:5%;right:4%;--dx:55px;--dy:50px}.f5{top:15%;left:45%;font-size:58px;--dx:0;--dy:-75px}
@keyframes speed-pop{0%{opacity:0;transform:scale(.4) rotate(-12deg)}18%,72%{opacity:1;transform:scale(1.05) rotate(2deg)}100%{opacity:0;transform:scale(1.1) rotate(5deg)}}
@keyframes flake-out{0%{opacity:0;transform:translate(0,0) scale(.6)}25%{opacity:1}100%{opacity:0;transform:translate(var(--dx),var(--dy)) rotate(130deg) scale(1.15)}}
@media(max-width:520px){.speed-burst{top:184px;max-width:94%;height:260px}.burst-label{font-size:25px;padding:16px 7px;border-width:4px}.burst-label strong{font-size:66px}.burst-label small{font-size:12px;letter-spacing:1px}.burst-flake{font-size:56px}.feedback{font-size:12px;padding:8px}}