:root{color-scheme:dark;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--ink:#f6f9ff;--muted:#9fb4d0;--line:#27527b;--blue:#42d3ff;--blue2:#168ee3;--gold:#efd483;--base:#050d1e}
*{box-sizing:border-box}html{min-width:320px}body{margin:0;background:radial-gradient(circle at 75% 9%,#102e66 0,#07142f 29%,#050d1e 75%);color:var(--ink)}button,a,input{font:inherit}a{color:inherit;text-decoration:none}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.48}.shell{width:min(1240px,100%);padding:0 28px;margin:auto}.topbar{height:76px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #234261;gap:16px}.brand{display:flex;align-items:center;gap:11px;font-size:18px;font-weight:900;letter-spacing:-.04em}.brand span:last-child{white-space:nowrap}.brand b{color:#b3ee76}.brand-mark{display:grid;place-items:center;width:35px;height:35px;border:1px solid #558d4b;border-radius:10px;background:#1a482f;color:#caff79;font-size:23px;font-weight:900;box-shadow:0 4px 20px #47ff7725}.topbar-right{display:flex;align-items:center;gap:10px;color:#80d6ff;font-size:11px;font-weight:900;letter-spacing:.12em}.topbar-right a{color:var(--ink);white-space:nowrap;font-size:13px;letter-spacing:0;margin-left:16px;border:1px solid #34608c;padding:10px 14px;border-radius:10px}.live-dot{height:7px;width:7px;border-radius:50%;background:#47df8c;box-shadow:0 0 10px #47df8c}.intro{padding:40px 0 26px}.eyebrow{font-size:11px;font-weight:900;letter-spacing:.18em;color:var(--gold)}h1,h2,p{margin:0}h1{margin-top:10px;font-size:clamp(42px,5vw,70px);line-height:1.04;letter-spacing:-.06em}h1 em{color:#67ddff;font-style:normal}.intro p{max-width:630px;margin-top:15px;color:#b6c7df;line-height:1.55;font-size:16px}.game-layout{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(300px,.82fr);gap:16px}.stage,.controls,.proof{border:1px solid var(--line);border-radius:24px;box-shadow:0 20px 60px #0004}.stage{min-height:520px;position:relative;overflow:hidden;background:radial-gradient(ellipse at 47% 91%,#0f5680 0,transparent 30%),radial-gradient(circle at 47% 42%,#113f80 0,#091b3e 55%,#07152e 90%)}.stage::before{content:"";position:absolute;left:16%;right:16%;bottom:25%;height:1px;background:linear-gradient(90deg,transparent,#6ecfff88,transparent);box-shadow:0 0 44px 12px #42d3ff33}.stage::after{content:"";position:absolute;inset:0;background:linear-gradient(115deg,transparent 42%,#7cc5ff0b 50%,transparent 60%);pointer-events:none}.stars{position:absolute;inset:0;opacity:.5;background-image:radial-gradient(#d6ecff 1px,transparent 1px),radial-gradient(#64baff 1px,transparent 1px);background-size:59px 61px,89px 83px;background-position:17px 21px,43px 56px;mask-image:linear-gradient(180deg,#000,transparent 90%)}.stage-head,.stage-foot{position:absolute;left:22px;right:22px;display:flex;justify-content:space-between;gap:10px;z-index:3;font-size:11px;letter-spacing:.12em;font-weight:900;color:#adc9e4}.stage-head{top:22px}.stage-foot{bottom:22px;color:#83a8c4}.status{color:#83dcff}.rocket{position:absolute;width:min(150px,30%);height:auto;object-fit:contain;left:50%;top:45%;transform:translate(-50%,-50%) rotate(0);filter:drop-shadow(0 16px 36px #00bcff55);transition:transform .5s ease,filter .5s ease;user-select:none}.stage.running .rocket{transform:translate(-50%,-61%) rotate(6deg);filter:drop-shadow(0 10px 44px #00c8ffbb);animation:float 1.5s ease-in-out infinite alternate}.stage.crashed .rocket{animation:none;transform:translate(-50%,-45%) rotate(-12deg);filter:grayscale(.65) brightness(.45);opacity:.2}@keyframes float{to{transform:translate(-50%,-69%) rotate(3deg)}}.stage-center{position:absolute;z-index:4;left:22px;right:22px;bottom:69px;display:flex;flex-direction:column;align-items:center;gap:3px;text-align:center;text-shadow:0 3px 20px #000b}.stage-center strong{font-size:clamp(48px,6vw,78px);font-weight:900;letter-spacing:-.07em}.stage-center span{font-size:14px;color:#c5dbf1}.flight-line{position:absolute;z-index:3;bottom:47px;left:22px;right:22px;height:6px;border-radius:5px;background:#1a436b;overflow:hidden}.flight-line span{display:block;height:100%;width:0;background:linear-gradient(90deg,#36a7e7,#66e9ff);border-radius:5px;transition:width .2s linear}.controls{padding:27px;background:linear-gradient(148deg,#143867,#091b37 64%)}.controls h2{font-size:28px;letter-spacing:-.04em;margin-top:9px}.description{color:var(--muted);font-size:14px;line-height:1.5;margin:12px 0 23px}.stake-label{font-weight:800;font-size:13px;margin-bottom:10px}.stake-options{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.stake{min-height:58px;border:1px solid #416d96;border-radius:12px;background:#071d3b;color:var(--ink);font-size:24px;font-weight:900}.stake small{font-size:12px;color:#91c6e5}.stake.selected{color:#03213d;background:linear-gradient(135deg,#74e8ff,#3fbcec);border-color:#9ff1ff;box-shadow:0 0 0 2px #82e7ff33}.stake.selected small{color:#124464}.age{margin:18px 0;display:flex;align-items:center;gap:9px;color:#bfd0e2;font-size:12px;line-height:1.3}.age input{width:18px;height:18px;accent-color:#45cfff;flex:none}.figures{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:16px 0}.figures>div{border:1px solid #315b83;border-radius:13px;padding:12px;background:#061b37}.figures span{display:block;font-size:11px;color:#93adc7}.figures strong{display:block;margin-top:5px;font-size:23px}.primary,.secondary{width:100%;min-height:52px;border-radius:12px;font-weight:900}.primary{border:1px solid #99efff;background:linear-gradient(100deg,#79e9ff,#37bcee);color:#05213b;box-shadow:0 8px 24px #24bafa30}.secondary{margin-top:9px;border:1px solid #5a9dcd;background:#0d345e;color:#dff5ff}#feedback{min-height:44px;margin-top:15px;color:#b6d7ed;font-size:13px;line-height:1.4}#feedback.fail{color:#ffb1b1}.fine{padding-top:13px;border-top:1px solid #315678;color:#90aec9;line-height:1.45;font-size:11px}.proof{margin-top:16px;padding:22px 26px;background:#091b35;display:grid;grid-template-columns:210px minmax(0,1fr);gap:20px}.proof h2{font-size:23px;margin-top:7px}.proof-items{min-width:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.proof-items>div{min-width:0;border-left:1px solid #355774;padding-left:12px}.proof-items span{color:#9db6cd;font-size:12px}.proof-items code{display:block;overflow-wrap:anywhere;margin-top:7px;color:#d5ebff;font-size:11px}footer{display:flex;gap:22px;color:#8eabc4;font-size:12px;padding:28px 0 36px}
@media(max-width:800px){.shell{padding:0 18px}.game-layout{grid-template-columns:1fr}.stage{min-height:440px}.controls{padding:24px}.proof{grid-template-columns:1fr}.proof-items{grid-template-columns:1fr 1fr}.proof-items>div:last-child{grid-column:span 2}}
@media(max-width:480px){.shell{padding:0 12px}.topbar{height:66px}.brand{font-size:16px}.topbar-right{gap:6px;font-size:0}.topbar-right a{margin:0;padding:9px;font-size:11px}.intro{padding:27px 3px 19px}.intro p{font-size:14px}.game-layout{gap:11px}.stage{min-height:420px;border-radius:18px}.rocket{width:125px;top:40%}.stage.running .rocket{animation:float-mobile 1.5s ease-in-out infinite alternate;transform:translate(-50%,-54%) rotate(3deg)}@keyframes float-mobile{to{transform:translate(-50%,-60%) rotate(6deg)}}.stage-head,.stage-foot{left:13px;right:13px;font-size:9px}.stage-head{top:14px}.stage-foot{bottom:12px}.stage-center{bottom:61px}.stage-center strong{font-size:53px}.stage-center span{font-size:12px}.flight-line{left:13px;right:13px;bottom:38px}.controls{border-radius:18px;padding:20px}.controls h2{font-size:25px}.proof{border-radius:18px;padding:19px}.proof-items{grid-template-columns:1fr}.proof-items>div:last-child{grid-column:auto}footer{flex-wrap:wrap;gap:12px;padding:20px 0}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}}

/* Smooth flight (driven from rocket-shared-w.js frame loop). */
.stage .rocket,.stage.running .rocket,.stage.crashed .rocket{animation:none!important;transition:filter .5s ease,opacity .6s ease;will-change:transform}
.stage.crashed .rocket{opacity:.28}
.stars{will-change:background-position}
.rk-trail{position:absolute;z-index:1;left:50%;top:calc(45% + min(75px,15%));width:min(70px,14%);height:min(210px,40%);transform-origin:50% 0;opacity:0;pointer-events:none;
  background:radial-gradient(ellipse at 50% 0,#ffe7a0 0,#ff9f3f66 30%,#ff5d2a22 55%,transparent 72%);filter:blur(6px);mix-blend-mode:screen}
.flight-line span{width:100%!important;transform:scaleX(0);transform-origin:left center;transition:none!important}
.stage.rk-countdown .flight-line span{background:linear-gradient(90deg,#efd483,#ffb648)}
.stage-center strong{--heat:0;color:color-mix(in srgb,#ffffff calc(100% - var(--heat)*100%),#ffd36b);transition:color .3s}
.stage.crashed .stage-center strong{color:#ff6b6b;text-shadow:0 0 30px #ff3b3b88,0 3px 20px #000b}
.stage.running .stage-center strong{text-shadow:0 0 calc(10px + var(--heat)*40px) #42d3ff99,0 3px 20px #000b}
.rk-flash{position:absolute;inset:0;z-index:2;pointer-events:none;opacity:0}
.stage.rk-launch .rk-flash{background:radial-gradient(circle at 50% 70%,#ffd27a66,transparent 60%);animation:rk-flash .9s ease-out}
.stage.rk-boom .rk-flash{background:radial-gradient(circle at 50% 45%,#ff4d4d88,#ff2d2d22 45%,transparent 70%);animation:rk-flash .7s ease-out}
.stage.rk-cashed .rk-flash{background:radial-gradient(circle at 50% 55%,#5dffa166,transparent 62%);animation:rk-flash .9s ease-out}
.stage.rk-boom{animation:rk-shake .45s cubic-bezier(.36,.07,.19,.97)}
@keyframes rk-flash{0%{opacity:1}100%{opacity:0}}
@keyframes rk-shake{10%,90%{transform:translateX(-2px)}20%,80%{transform:translateX(4px)}30%,50%,70%{transform:translateX(-7px)}40%,60%{transform:translateX(7px)}}
.rk-toast{position:absolute;z-index:5;left:50%;top:13%;transform:translate(-50%,10px) scale(.9);padding:10px 18px;border-radius:14px;font-weight:900;font-size:22px;letter-spacing:-.02em;opacity:0;pointer-events:none;transition:opacity .25s,transform .35s cubic-bezier(.2,.9,.3,1.3);white-space:nowrap;background:#0b2546e6;border:1px solid #4fb6e6;color:#dff5ff}
.rk-toast.show{opacity:1;transform:translate(-50%,0) scale(1)}
.rk-toast.win{background:#0d3b2ae6;border-color:#5dffa1;color:#8dffbf;font-size:30px;box-shadow:0 0 40px #5dffa155}
.rk-toast.lost{background:#3b0d14e6;border-color:#ff6b6b;color:#ffb1b1}
.secondary.rk-ready{background:linear-gradient(100deg,#5dffa1,#2fd17a);border-color:#9dffc6;color:#04261a;box-shadow:0 0 0 0 #5dffa166;animation:rk-ready 1.2s ease-in-out infinite}
@keyframes rk-ready{50%{box-shadow:0 0 0 7px #5dffa100,0 0 22px #5dffa155}}
@media(max-width:480px){.rk-toast{font-size:18px}.rk-toast.win{font-size:24px}}
@media(prefers-reduced-motion:reduce){.stage.rk-boom{animation:none}.secondary.rk-ready{animation:none}}
@media(max-width:480px){.rk-trail{top:calc(40% + 62px)}}