:root{color-scheme:dark;font-family:Arial,Helvetica,sans-serif;color:#f1fbff;background:#02091b;font-synthesis:none}*{box-sizing:border-box}body{margin:0}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}button:disabled{cursor:default;filter:grayscale(1);opacity:.55}button:focus-visible,a:focus-visible{outline:3px solid #fff;outline-offset:4px}button{touch-action:manipulation}img{max-width:100%;display:block}h1,h2,p{margin:0}h1{font-size:clamp(20px,5vw,30px)}[hidden]{display:none!important}.game{position:relative;isolation:isolate;width:100%;max-width:560px;min-height:100svh;margin:auto;overflow:hidden;background:#031336 url('../rocket-game-assets/page-2/page-2-bg.webp') center/cover;box-shadow:0 0 90px #0a36794d}.screen{position:relative;min-height:max(780px,100svh);animation:arrive .5s ease-out}.topbar{position:absolute;inset:max(10px,env(safe-area-inset-top)) 12px auto;z-index:8;display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:11px;font-weight:800;letter-spacing:.6px}.topbar a,.text-button,.back{color:#d9f7ff;text-decoration:none;border:1px solid #4ea6c77a;background:#031538c9;padding:10px;border-radius:20px}.text-button{font-size:11px}.stardust{position:absolute;inset:-20%;pointer-events:none;z-index:1;background-image:radial-gradient(circle,#a4efff 1px,transparent 2px),radial-gradient(circle,#fff 1px,transparent 2px);background-size:93px 151px,173px 229px;opacity:.25;animation:stars 24s linear infinite}.intro{background:url('../rocket-game-assets/page-1/page-1-bg.webp') center top/100% 100%;min-height:100svh;aspect-ratio:9/16}.image-button{background:none;border:0;padding:0;transition:transform .2s;position:relative;z-index:2}.image-button:hover{transform:scale(1.035)}.image-button:active,.gold-button:active{transform:scale(.96)}.start{position:absolute;bottom:5%;width:67%;left:16.5%;animation:breathe 2.5s ease-in-out infinite}.intro-note{position:absolute;bottom:1.5%;width:100%;text-align:center;font-size:12px;text-shadow:0 2px 6px #000}.overlay-screen{padding:85px 22px 40px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:24px;text-align:center}.brief-art{width:100%;animation:float 5s ease-in-out infinite}.glass{background:linear-gradient(145deg,#062659eb,#020d2bef);border:1px solid #45dafa;border-radius:20px;box-shadow:0 0 22px #0acbff24,inset 0 0 20px #1d64b63d;padding:20px}.glass p{font-size:14px;line-height:1.65;margin-top:10px}.wide{width:75%;max-width:320px}.eyebrow{font-size:10px!important;font-weight:800;letter-spacing:2px;color:#73dfff;margin-bottom:8px!important}.mission-orbit{font-size:110px;color:#ffd64e;text-shadow:0 0 50px #ff9d00;animation:orbit 15s linear infinite}.mission-popup{width:100%;padding:30px 18px}.mission-popup h1{font-size:40px}.hangar{height:max(850px,100svh);background-position:center;background-size:100% 100%;transition:background-image .5s}.hud{position:absolute;top:65px;left:7%;width:86%;display:flex;justify-content:space-between;gap:15px}.timer,.engine-panel{display:flex;align-items:center;justify-content:center;gap:6px;border:1px solid #34d9ff;background:#001b4be6;box-shadow:inset 0 0 15px #174ea9,0 0 8px #22caff6b;border-radius:12px;padding:7px 14px;min-width:110px;font-size:25px}.timer.urgent{color:#ff8c80;animation:urgent .6s alternate infinite}.engine-panel img{width:24px;height:35px;object-fit:contain;transition:filter .5s,opacity .5s}.engine-panel .dead{filter:grayscale(1);opacity:.3}.question{position:absolute;top:130px;left:6%;width:88%;text-align:center;padding:12px;z-index:2}.question h1{font-size:21px}.question p{font-size:12px;margin-top:5px}.fuel-system{position:absolute;inset:245px 7% auto;height:330px;z-index:3;animation:descend .8s cubic-bezier(.2,.8,.2,1)}.tanks{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;position:relative;z-index:2}.tank{position:relative;aspect-ratio: .62;--liquid:#48d6ff}.tank-art{position:absolute;width:100%;height:100%;z-index:1}.tank-liquid{position:absolute;left:17%;right:17%;top:27%;bottom:31%;overflow:hidden;border-radius:8px;background:#021e4a}.tank-liquid i{position:absolute;bottom:0;width:100%;height:var(--amount,0%);background:linear-gradient(0deg,var(--liquid),#ffffff77);box-shadow:0 0 15px var(--liquid);transition:height .2s}.tank-liquid i:after{content:'';position:absolute;inset:0;background:radial-gradient(ellipse,#ffffffaa 1px,transparent 3px) 0 0/21px 29px;animation:bubbles 1.4s linear infinite}.tank output{position:absolute;top:14.8%;left:17%;width:66%;z-index:2;text-align:center;font:bold clamp(12px,3vw,19px) monospace;color:#80ffdb}
.tank-name{position:absolute;top:40%;left:10%;width:80%;z-index:2;text-align:center;font-size:12px;font-weight:900;text-shadow:0 1px 3px #000}.tank-controls{position:absolute;left:7%;right:7%;bottom:12%;display:flex;z-index:2;gap:2px}.tank-controls button{width:50%;background:none;border:0;padding:0;min-height:40px;touch-action:none;user-select:none;-webkit-user-select:none}.tank-controls img{width:100%}.tank-step{position:absolute;top:100%;width:100%;text-align:center;font-size:10px;color:#9ceeff}.pipelines{position:absolute;top:47%;left:11%;width:78%;height:36%;object-fit:fill;z-index:0}.chamber{position:absolute;top:77%;left:8%;width:84%;aspect-ratio:2.48;z-index:2}.chamber>img{position:absolute;inset:0;width:100%;height:100%}.chamber-liquid{position:absolute;left:23%;right:23%;bottom:35%;height:45%;border-radius:10px;display:flex;align-items:flex-end;overflow:hidden}.chamber-liquid i{height:100%;transition:width .2s;opacity:.8}.chamber output{position:absolute;top:6%;width:100%;text-align:center;color:#fff;font-size:12px;text-shadow:0 2px 5px #000;z-index:2}.chamber button{position:absolute;top:32%;left:27%;width:46%}.pad-rocket{position:absolute;left:34%;width:32%;top:69%;height:24%;z-index:2;transition:transform 1s;animation:rocket-in .7s ease-out}.rocket-bottom{position:absolute;bottom:0;width:100%;height:78%;object-fit:contain}.rocket-top{position:absolute;top:0;width:100%;height:33%;object-fit:contain;transform-origin:90% 90%;transition:transform .7s}.filling .rocket-top{transform:rotate(28deg)}.launching .fuel-system{transform:translateY(-140%);opacity:0;transition:transform .8s,opacity .6s}.launching .pad-rocket{animation:liftoff 1.7s ease-in forwards}.flames{position:absolute;left:12%;right:12%;top:94%;height:40%;display:flex;justify-content:space-around;opacity:0}.flames i{width:23%;height:100%;background:linear-gradient(#fff8a0,#ffb500,#fb4c00,transparent);border-radius:20% 20% 70% 70%;filter:drop-shadow(0 0 8px #ff9a00);animation:fire .15s alternate infinite}.launching .flames{opacity:1}.flames i.dead{opacity:0}.engine-failure{animation:failure .2s 4}.engine-failure:after{content:'';position:absolute;inset:0;z-index:5;pointer-events:none;box-shadow:inset 0 0 90px 25px #ff1717b0;animation:urgent .4s alternate infinite}.smoke{position:absolute;inset:75% 0 -30%;opacity:0;background:radial-gradient(ellipse,#9a9b9dcc,transparent 65%);filter:blur(8px)}.engine-failure .smoke{animation:smoke 1s ease-out forwards}.conveyor{position:absolute;bottom:0;left:0;width:100%;height:27%;overflow:hidden;z-index:4}.conveyor>p{font-weight:900;letter-spacing:2px;font-size:11px;text-align:center;text-shadow:0 2px 4px #000}.rocket-track{display:flex;gap:22px;width:max-content;align-items:flex-end;height:77%;animation:convey 12s linear infinite}.rocket-choice{background:none;border:0;width:75px;height:95%;padding:8px;flex-shrink:0;transition:transform .2s}.rocket-choice:hover{transform:translateY(-12px)}.rocket-choice img{height:100%;width:100%;object-fit:contain}.belt{position:absolute;bottom:0;width:200%;height:20%;background:url('../rocket-game-assets/page-4/conveyer-belt.webp') repeat-x center/auto 100%;animation:belt 3s linear infinite}.journey{background-position:center;background-size:cover;overflow:hidden}.planet-route{position:absolute;top:75px;left:5%;width:90%;display:flex;justify-content:space-between;border-top:2px solid #4cdbff;padding-top:10px;font-size:8px;color:#abc7da}.planet-route span.active{color:#ffdc69;text-shadow:0 0 10px #ffd400}.flight{position:absolute;left:12%;top:33%;width:22%;animation:flight 4s ease-in-out infinite}.flight img{filter:drop-shadow(0 0 18px #ffd15f)}.journey-content{position:absolute;top:49%;left:7%;width:86%;text-align:center}.journey h1{font-size:25px}.stats{display:grid;grid-template-columns:1fr auto;gap:12px 8px;text-align:left;margin:18px 0;font-size:12px}.stats dt{color:#a6d4ed}.stats dd{margin:0;font-weight:800;text-align:right}.gold-button{display:block;width:100%;padding:15px 22px;border:2px solid #ffeaa4;border-radius:40px;background:linear-gradient(#ffed62,#ffb700 60%,#ff9500);color:#092039;font-weight:900;font-size:17px;box-shadow:0 4px 0 #c45e00,0 0 20px #ffb70033;transition:transform .2s}.gold-button:hover{transform:translateY(-2px)}progress{width:100%;height:12px;margin-top:14px;accent-color:#43e9ee}.award{font-size:130px;color:#ffd13f;text-shadow:0 0 45px #ffb700;animation:float 3s ease-in-out infinite}.back{font-size:13px}dialog{padding:0;border:1px solid #5ae0ff;border-radius:24px;background:#031333;color:#fff;max-width:460px;width:90%;max-height:90svh;box-shadow:0 0 50px #1cd0ff55;animation:arrive .35s ease-out}dialog::backdrop{background:#000b;backdrop-filter:blur(6px)}.popup-body{padding:20px;text-align:center;display:grid;gap:16px}.popup-body>img{max-height:230px;object-fit:contain;margin:auto}.popup-body p{line-height:1.6;font-size:14px}.popup-body video{width:100%;max-height:45svh}#storage-warning{position:relative;z-index:10;background:#8d2b15;padding:55px 15px 12px;font-size:12px}.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0)}
@keyframes arrive{from{opacity:0;transform:translateY(20px) scale(.97)}to{opacity:1;transform:none}}@keyframes float{50%{transform:translateY(-9px)}}@keyframes breathe{50%{transform:scale(1.04);filter:drop-shadow(0 0 12px #ffc849)}}@keyframes stars{to{transform:translate(30px,100px)}}@keyframes orbit{to{transform:rotate(360deg)}}@keyframes descend{from{transform:translateY(-130%);opacity:0}to{transform:none;opacity:1}}@keyframes bubbles{to{background-position:0 -29px}}@keyframes urgent{to{filter:brightness(1.5)}}@keyframes rocket-in{from{transform:translate(-100% ,60%) scale(.5)}to{transform:none}}@keyframes liftoff{20%{transform:translateY(10px)}100%{transform:translateY(-1200px) scale(.5)}}@keyframes fire{to{transform:scaleY(.7)}}@keyframes smoke{to{opacity:1;transform:translateY(-70px) scale(2)}}@keyframes failure{50%{transform:translateX(4px)}}@keyframes convey{to{transform:translateX(-485px)}}@keyframes belt{to{transform:translateX(-25%)}}@keyframes flight{50%{transform:translate(70px,-70px) rotate(7deg)}}
@media(min-width:600px){body{padding:20px}.game{border:1px solid #174576;border-radius:28px}.intro{min-height:960px}.screen{min-height:960px}.hangar{height:1000px}.fuel-system{height:380px}.tank-controls button{min-height:48px}.pad-rocket{top:68%}}
@media(max-width:360px){.topbar{font-size:9px}.question h1{font-size:18px}.fuel-system{left:4%;right:4%;height:290px}.tank-controls button{min-height:36px}.stats{font-size:11px}.glass{padding:15px}}
/* Fade through a short light sweep between the outgoing and incoming scenes. */
.screen{animation:scene-enter .48s cubic-bezier(.16,1,.3,1) both}
.game.transitioning{pointer-events:none}
.game.transitioning:after{content:'';position:fixed;inset:0;z-index:20;pointer-events:none;background:linear-gradient(115deg,transparent 20%,#35caff22 43%,#b7f7ff88 50%,#35caff22 57%,transparent 80%);animation:scene-sweep .7s ease-in-out both}
@keyframes scene-enter{from{opacity:0;transform:translateY(18px) scale(.97);filter:blur(4px)}to{opacity:1;transform:none;filter:blur(0)}}
@keyframes scene-sweep{0%{opacity:0;transform:translateX(-100%)}35%{opacity:1}100%{opacity:0;transform:translateX(100%)}}
/* Scale the portrait stage with its container, retaining natural scrolling on short screens. */
body{overflow-x:hidden}
.game{container-type:inline-size;--scene-height:max(640px,100svh);min-height:var(--scene-height)}
.screen,.intro{min-height:var(--scene-height)}
.intro{aspect-ratio:auto;height:max(var(--scene-height),177.778cqw)}
.hangar{height:max(var(--scene-height),177.778cqw)}
.hud{top:max(3%,env(safe-area-inset-top));gap:8px}
.question{top:11%;padding:10px}
.question h1{font-size:clamp(17px,4.5cqw,25px)}
.fuel-system{inset:27% 5% auto;height:36%}
.tank-controls button{min-height:44px}
.tank output{font-size:clamp(12px,3.5cqw,19px)}
.pad-rocket{top:72%;height:22%}
.overlay-screen{padding:max(28px,env(safe-area-inset-top)) 5% max(28px,env(safe-area-inset-bottom));gap:clamp(16px,4cqw,24px)}
.overlay-screen>.glass{max-width:100%;overflow-wrap:anywhere}
.brief-art{max-height:50svh;object-fit:contain}
#brief{height:max(var(--scene-height),177.778cqw);padding:0;display:block}
#brief .brief-frame{position:absolute;top:15%;left:5%;width:90%;animation:float 5s ease-in-out infinite}
#brief .brief-art{position:relative;top:auto;left:auto;width:100%;height:auto;max-height:none;animation:none}
#brief .wide{position:absolute;top:82%;left:16.667%;width:66.666%;max-width:none}
#mission{display:block;padding:0;height:max(var(--scene-height),177.778cqw)}
#mission:before{content:'';position:absolute;inset:-8px;background:url('../rocket-game-assets/page-2/page-2-bg.webp') center/100% 100%;filter:blur(5px)}
.mission-card{position:absolute;top:25%;left:11%;width:78%;aspect-ratio:770/972;z-index:2;animation:arrive .6s ease-out}
.mission-card-art{position:absolute;inset:0;width:100%;height:100%}
.mission-card h1{position:absolute;top:7.5%;left:15%;width:70%;font-size:4.8cqw;font-weight:700;line-height:1.2;color:#fff52b;text-shadow:none;text-transform:uppercase}
.mission-card #mission-route{position:absolute;top:17.2%;left:6%;width:88%;margin:0;font-weight:700;font-size:4.4cqw;line-height:1.2;color:#fff52b;text-transform:uppercase}
.mission-copy{position:absolute;top:26.8%;left:6%;width:88%;font-weight:600;font-size:3.5cqw;line-height:1.12;text-align:center;color:#fff}
.mission-copy p{margin:0;font:inherit;line-height:inherit}
.mission-copy strong{color:inherit;font-weight:600}
.mission-distance-label{color:#fff52b}
.mission-card #play{position:absolute;bottom:4%;left:17%;width:66%}
.start{bottom:max(4%,env(safe-area-inset-bottom))}
.journey{padding:70% 7% 30px;min-height:var(--scene-height)}
.planet-route{top:max(4%,env(safe-area-inset-top));flex-wrap:wrap;gap:8px}
.flight{top:15%}
.journey-content{position:relative;top:auto;left:auto;width:100%;z-index:2}
.stats{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
.stats dt,.stats dd{overflow-wrap:anywhere;align-self:center}
dialog{max-width:min(460px,calc(100vw - 24px));max-height:calc(100dvh - 24px);overflow:auto}
.popup-body{padding:clamp(14px,4vw,20px)}
.popup-body>img{max-width:100%;max-height:30dvh}
.gold-button,.text-button,.back{min-height:44px}
.text-button{font-size:13px;color:#d9f7ff;text-decoration:none;border:1px solid #4ea6c77a;background:#031538c9;padding:10px 16px;border-radius:20px}
#storage-warning{padding:12px 15px}
@media(min-width:600px){
  body{padding:16px}
  .game{width:min(560px,calc((100svh - 32px)*.5625));min-width:min(340px,100%);--scene-height:max(640px,calc(100svh - 32px))}
  .screen{min-height:var(--scene-height)}
  .intro,.hangar{height:max(var(--scene-height),177.778cqw);min-height:var(--scene-height)}
  .fuel-system{height:36%}
}
@media(max-width:360px){.glass{padding:12px}.timer,.engine-panel{min-width:98px;padding:6px 10px}.stats{gap:10px 8px}.question p{font-size:11px}}
/* Two identical five-rocket runs form a seamless left-to-right assembly line.
   Both layers travel exactly one stage width per cycle, so rockets ride the belt. */
.conveyor{bottom:7.6%;height:11%;overflow:hidden}
.rocket-track{position:absolute;bottom:10%;height:70%;width:200%;gap:0;z-index:2;will-change:transform;animation:assembly-right 14s linear infinite}
.rocket-choice{width:10%;height:100%;padding:0 3cqw;display:flex;align-items:flex-end;justify-content:center;transition:filter .2s}
.rocket-choice img{width:100%;height:100%;object-fit:contain;object-position:center bottom}
.rocket-choice:hover{transform:none;filter:drop-shadow(0 0 7px #6eeaff)}
.rocket-track:hover,.rocket-track:focus-within{animation-play-state:running}
.belt{bottom:0;height:40%;width:200%;z-index:1;pointer-events:none;background-size:100cqw 100%;will-change:transform;animation:assembly-right 14s linear infinite}
.conveyor:focus-within .rocket-track,.conveyor:focus-within .belt{animation-play-state:running}
.selecting .hud,.selecting #question-number,.selecting #question-title{display:none}
.selecting .question{top:6.2%;left:14%;width:72%;height:8.7%;padding:10px;display:flex;align-items:center;justify-content:center;border:2px solid #49d9ff;border-radius:5cqw;background:#001332a6;box-shadow:inset 0 0 15px #45cfff99,0 0 8px #21baff44}
.selecting .question #instruction{margin:0;font-size:3.4cqw;font-weight:600;line-height:1.25;color:#fff}
.hangar-closeup{position:absolute;inset:0;background-position:center;background-size:100% 100%;opacity:1;transform:scale(1);transform-origin:50% 0;pointer-events:none;will-change:transform}
.boarding .rocket-track,.boarding .belt,.boarding .conveyor:focus-within .rocket-track,.boarding .conveyor:focus-within .belt{animation-play-state:paused!important}
.boarding .conveyor{pointer-events:none}
.boarding .rocket-choice{opacity:0;transition:opacity .45s linear!important}
.boarding .belt{opacity:0;transition:opacity 1s linear .45s!important}
.boarding.selecting .question{opacity:0;transition:opacity .35s ease!important}
.pad-rocket{animation:none}
/* Filling layout follows page-5-reference.webp; retain only essential game text. */
.hangar:not(.selecting) .question{top:8%;left:14%;width:68%;padding:0;border:0;border-radius:0;background:none;box-shadow:none}
.hangar:not(.selecting) .question h1{font-size:clamp(11px,2.8cqw,16px);font-weight:600;line-height:1.2;text-shadow:0 2px 5px #00102e}
.hangar:not(.selecting) #question-number,.hangar:not(.selecting) #instruction{display:none}
.hud{top:max(1.7%,env(safe-area-inset-top));left:14%;width:68%;height:6%;gap:10%;z-index:2}
.timer,.engine-panel{min-width:0;width:45%;height:100%;border:0;border-radius:0;box-shadow:none;padding:0;background-color:transparent;background-repeat:no-repeat;background-position:center;background-size:100% 100%}
.timer{background-image:url('../rocket-game-assets/page-5/timer.webp');padding-left:12%;font-size:clamp(16px,4.3cqw,25px)}
.engine-panel{background-image:url('../rocket-game-assets/page-5/engine-panel.webp');gap:5%}
.engine-panel img{width:18%;height:72%;object-fit:contain}
.fuel-system{inset:10% 3% auto;height:56%}
.tanks{gap:1.2%;height:auto;align-items:start}
.tank{height:auto;aspect-ratio:989/1591;min-width:0}
.tank-controls{left:8%;right:8%;gap:4%;top:73%;bottom:auto;height:15%;align-items:center}
.tank-controls button{flex:1;min-width:0;width:49%;min-height:0;height:100%;padding:0}
.tank-controls img{position:absolute;max-width:none;object-fit:fill;pointer-events:none}
.tank-controls [data-fill] img{left:-4.595%;top:-18.357%;width:108.108%;height:135.266%}
.tank-controls [data-undo] img{left:-3.655%;top:-7.556%;width:104.439%;height:113.333%}
.tank-controls button:before{content:'';position:absolute;inset:-10px 0}
.tank-controls button{position:relative;overflow:hidden;border-radius:5px}
.tank-controls button:active:not(:disabled){transform:translateY(1px);filter:brightness(1.15)}
.tank-name{top:40%;left:18%;width:64%;font-size:clamp(14px,4.1cqw,23px);font-weight:900;line-height:1.2;color:#fff;padding:0;background:none;text-shadow:0 2px 2px #00223b,1px 0 1px #00223b,-1px 0 1px #00223b,0 0 5px #003a55;box-shadow:none}
.tank output{font-size:clamp(12px,3.3cqw,19px)}
.pipelines{top:47%;left:11%;width:78%;height:21%}
.chamber{top:auto;bottom:0;left:6%;width:88%;aspect-ratio:1972/798}
.chamber output.sr-only{width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
.chamber button{top:21%;left:25%;width:50%;height:40%;min-height:0;display:flex;align-items:center;justify-content:center}
.chamber button img{width:100%;height:100%;object-fit:contain}
/* The decorative rocket overlaps the chamber; transparent pixels must not catch Launch taps. */
.pad-rocket{left:22%;top:44.7%;width:56%;height:43.3%;transform-origin:0 0;transition:none;z-index:6;pointer-events:none}
/* Identical assembled parts in the belt and on the pad prevent shape swaps. */
.rocket-model{position:relative;display:block;height:100%;width:auto;aspect-ratio:var(--model-ratio,.69);max-width:100%;flex:none}
[data-variant="1"]{--model-ratio:.69112;--nose-left:24.104%;--nose-top:6.715%;--nose-width:51.792%;--nose-height:31.374%;--hinge-x:96.813%;--hinge-y:85.909%}
[data-variant="2"]{--model-ratio:.66017;--nose-left:25.868%;--nose-top:11.526%;--nose-width:48.468%;--nose-height:27.086%;--hinge-x:96.279%;--hinge-y:81.868%}
[data-variant="3"]{--model-ratio:.74932;--nose-left:25.056%;--nose-top:1.669%;--nose-width:51.265%;--nose-height:37.252%;--hinge-x:97.209%;--hinge-y:85.851%}
[data-variant="4"]{--model-ratio:.69732;--nose-left:20.846%;--nose-top:5.687%;--nose-width:60.775%;--nose-height:34.085%;--hinge-x:82.206%;--hinge-y:81.858%}
[data-variant="5"]{--model-ratio:.73667;--nose-left:25.577%;--nose-top:4.089%;--nose-width:51.708%;--nose-height:34.327%;--hinge-x:90.909%;--hinge-y:85.965%}
.rocket-model .rocket-top,.pad-rocket .rocket-top{position:absolute;top:var(--nose-top);left:var(--nose-left);width:var(--nose-width);height:var(--nose-height);object-fit:fill;transform-origin:var(--hinge-x) var(--hinge-y);transition:transform .65s cubic-bezier(.4,0,.2,1)!important;z-index:2}
.rocket-model .rocket-bottom,.pad-rocket .rocket-bottom{position:absolute;top:32%;bottom:auto;left:0;width:100%;height:68%;object-fit:fill}
.filling .pad-rocket .rocket-top{transform:rotate(168deg)}
.hangar:not(.selecting) .question{display:none}
.rocket-model-name{position:absolute;left:32%;top:48%;width:36%;height:16%;z-index:1;display:flex;align-items:center;justify-content:center;margin:0;padding:1px;text-align:center;font-family:Arial,Helvetica,sans-serif;font-size:clamp(10px,3.15cqw,18px);font-weight:900;line-height:1.12;letter-spacing:.01em;text-transform:uppercase;color:#15334c;text-shadow:none;overflow-wrap:normal;pointer-events:none;animation:engraving-reveal 1.4s cubic-bezier(.2,.8,.2,1) both!important}
.pad-rocket[data-variant="2"] .rocket-model-name{left:33%;top:49%;width:35%;height:15%}
.pad-rocket[data-variant="3"] .rocket-model-name{left:33%;top:48%;width:34%;height:15%}
.pad-rocket[data-variant="4"] .rocket-model-name{left:29%;top:49%;width:35%;height:15%}
/* Full reservoirs drain into a persistent, layered receiving chamber. */
.tank-liquid{left:17%;right:17%;top:27%;bottom:31%;background:#001730;isolation:isolate}
.tank-liquid i{transition:height .6s linear!important;background:linear-gradient(90deg,#ffffff38,var(--liquid) 25%,var(--liquid) 75%,#001b3433);opacity:.95}
.tank-liquid i:before{content:'';position:absolute;top:0;left:0;width:100%;height:1px;background:#dcffff80;pointer-events:none}
.tank-liquid i:after{animation:bubbles 2s linear infinite!important;opacity:.35}
.chamber-liquid{left:24%;right:24%;bottom:37%;height:43%;display:flex;flex-direction:column-reverse;align-items:stretch;justify-content:flex-start;border-radius:9%;background:transparent}
.chamber-liquid i{width:100%;height:0;flex:none;opacity:.92;transition:height .6s linear!important;position:relative;box-shadow:inset 8px 0 12px #ffffff33,inset -8px 0 10px #00192d33}
.chamber-liquid i:after{content:'';position:absolute;inset:0;background:radial-gradient(circle,#ffffff8a 1px,transparent 2px) 0 0/17px 23px;opacity:.4;animation:bubbles 1.6s linear infinite!important}
.chamber-liquid.is-mixing{filter:none}
.chamber-liquid i:before{content:none}
.chamber-liquid.is-mixing i:after{opacity:.25;animation-duration:1.6s!important}
.pipe-network{position:absolute;inset:0;width:100%;height:100%;overflow:visible;z-index:0;pointer-events:none}
.pipe-network path{fill:none;stroke-linecap:round;stroke-linejoin:round}
.pipe-outline{stroke:#0b263d}.pipe-metal{stroke:url(#pipe-metal)}.pipe-core{stroke:#12334e;transition:stroke .16s linear!important}.pipe-core[data-flow="forward"],.pipe-core[data-flow="reverse"]{stroke:var(--flow-color);filter:drop-shadow(0 0 4px var(--flow-color))}
.pipe-flow{stroke:#efffff;stroke-dasharray:3 17;opacity:0;filter:drop-shadow(0 0 3px var(--flow-color));transition:opacity .16s linear!important}
.pipe-flow[data-flow="forward"]{opacity:1;animation:pipe-forward .4s linear infinite!important}
.pipe-flow[data-flow="reverse"]{opacity:1;animation:pipe-reverse .4s linear infinite!important}
#launch.launch-ready{opacity:1;filter:none;animation:launch-attention 1.25s ease-in-out infinite!important}
#launch.launch-ready:after{content:'';position:absolute;inset:10% 4%;border:2px solid #fff6a3;border-radius:12px;pointer-events:none;animation:launch-ring 1.25s ease-out infinite!important}
@keyframes liquid-surface{50%{transform:translateY(2px) scaleX(.95)}}
@keyframes pipe-forward{to{stroke-dashoffset:-20}}
@keyframes pipe-reverse{to{stroke-dashoffset:20}}
@keyframes launch-attention{50%{transform:scale(1.055);filter:drop-shadow(0 0 9px #ffda40)}}
@keyframes launch-ring{to{opacity:0;transform:scale(1.22)}}
.rocket-model-name:after{content:'';position:absolute;inset:-4px;border:2px solid #7ceeff;border-radius:8px;pointer-events:none;animation:question-beacon 1s ease-out 2 both!important}
@keyframes question-beacon{0%{opacity:0;box-shadow:0 0 0 #45deff}25%{opacity:1;box-shadow:0 0 16px #45deff}100%{opacity:0;transform:scale(1.18)}}
@keyframes engraving-reveal{0%{opacity:0;transform:translateY(-5px) scale(.9)}30%{opacity:1;transform:translateY(0) scale(1.08);filter:brightness(1.6)}65%{transform:scale(1);filter:brightness(1)}100%{opacity:1;transform:scale(1)}}
.fuel-system{animation:descend .9s cubic-bezier(.2,.8,.2,1) backwards!important}
.docked .hud,.docked .question{animation:station-reveal .45s ease both!important}
@keyframes station-reveal{from{opacity:0}to{opacity:1}}
@keyframes assembly-right{from{transform:translate3d(-50%,0,0)}to{transform:translate3d(0,0,0)}}


/* Three independent exhausts, anchored to the nozzle mouths, above the rocket artwork. */
.pad-rocket .flames{inset:0;width:100%;height:100%;display:block;opacity:0;z-index:3;transition:opacity .45s ease!important;pointer-events:none}
.docked .pad-rocket .flames,.launching .pad-rocket .flames{opacity:1}
/*width - changed from 17% to 36%*/
.pad-rocket .flames i{position:absolute;width:36%;height:29%;background:none;border-radius:0;filter:none;animation:none!important;opacity:1}
/* Positions are in the assembled rocket coordinate space (body starts at 32%). */
.pad-rocket{--exhaust-left:13%;--exhaust-centre:50%;--exhaust-right:87%;--exhaust-side-y:87%;--exhaust-centre-y:95%}
.pad-rocket[data-variant="1"]{--exhaust-left:15%;--exhaust-right:84.5%;--exhaust-side-y:88.15%;--exhaust-centre-y:96.5%}
.pad-rocket[data-variant="2"]{--exhaust-left:17.5%;--exhaust-right:82.5%;--exhaust-side-y:87.57%;--exhaust-centre-y:92.23%}
.pad-rocket[data-variant="3"]{--exhaust-left:20.5%;--exhaust-right:79.5%;--exhaust-side-y:91.26%;--exhaust-centre-y:96.31%}
.pad-rocket[data-variant="4"]{--exhaust-left:27%;--exhaust-centre:46%;--exhaust-right:67.5%;--exhaust-side-y:89.51%;--exhaust-centre-y:95.92%}
.pad-rocket[data-variant="5"]{--exhaust-left:21.1%;--exhaust-centre:49.9%;--exhaust-right:78.9%;--exhaust-side-y:90.85%;--exhaust-centre-y:95.93%}
.pad-rocket[data-variant="5"] .flames i{width:20%;height:30%}
.pad-rocket[data-variant="5"] .flames i:nth-child(2){width:25%;height:29%}
.pad-rocket .flames i{transform:translateX(-50%)}
.pad-rocket .flames i:nth-child(1){left:var(--exhaust-left);top:var(--exhaust-side-y)}
.pad-rocket .flames i:nth-child(2){left:var(--exhaust-centre);top:var(--exhaust-centre-y)}
.pad-rocket .flames i:nth-child(3){left:var(--exhaust-right);top:var(--exhaust-side-y)}
.pad-rocket .flames i:before{content:'';position:absolute;inset:0;background:url('../rocket-game-assets/gifs/fire Loop.gif') center top/100% 100% no-repeat;filter:drop-shadow(0 0 4px #ff9a00);transform-origin:50% 0;transition:opacity .18s linear,transform .3s ease!important}
.pad-rocket .flames i.dead{opacity:1}
.pad-rocket .flames i.dead:before{opacity:0;transform:scale(.5,.15)}
.pad-rocket .flames i:after{content:'';position:absolute;left:-90%;top:-30%;width:280%;aspect-ratio:760/840;background:url('../rocket-game-assets/gifs/engine-blown-frames.webp') 0 0/700% 100% no-repeat;opacity:0}
.pad-rocket .flames i.blowing:after{animation:engine-blow-frames .7s steps(7,jump-none) forwards,engine-blow-fade .88s linear forwards!important}
@keyframes engine-blow-frames{from{background-position:0 0}to{background-position:100% 0}}
@keyframes engine-blow-fade{0%{opacity:0;transform:scale(.7)}10%,75%{opacity:1}100%{opacity:0;transform:scale(1.12) translateY(6%)}}
/* Per-engine smoke replaces the old full-rocket smoke cloud. */
.pad-rocket .smoke{display:none}

/* Abort sequence: clear the nozzle, lift, lose thrust, then settle back. */
.failed-liftoff .pad-rocket{animation:aborted-liftoff 3s linear both!important;transform-origin:50% 90%}
.failed-liftoff .fuel-system{animation:abort-fuel-clearance 3s ease-in-out both!important}
.failed-liftoff .pad-rocket .rocket-top{animation:abort-nose-close 3s ease-in-out both!important}
.failed-liftoff .flames i.blowing:after{left:-130%;top:-45%;width:360%;filter:drop-shadow(0 0 9px #ff9a44)}
@keyframes aborted-liftoff{
  0%,20%{transform:translateY(0) rotate(0)}
  38%{transform:translateY(-12%) rotate(0)}
  43%{transform:translateY(-13%) rotate(-2deg)}
  48%{transform:translateY(-12%) rotate(2deg)}
  58%{transform:translateY(-11%) rotate(-1deg)}
  70%{transform:translateY(-8%) rotate(0)}
  88%{transform:translateY(1%) rotate(0)}
  94%{transform:translateY(-.6%) rotate(0)}
  100%{transform:translateY(0) rotate(0)}
}
@keyframes abort-fuel-clearance{0%{transform:translateY(0);opacity:1}20%,100%{transform:translateY(-120%);opacity:0}}
@keyframes abort-nose-close{0%{transform:rotate(168deg)}20%,100%{transform:rotate(0)}}

/* Native modal focus handling, visually constrained to the live hangar. */
#popup.engine-popup{position:fixed;inset:auto;left:var(--popup-left,0px);top:var(--popup-top,0px);width:var(--popup-width,100vw);height:var(--popup-height,100dvh);max-width:none;max-height:none;margin:0;padding:0;border:0;border-radius:0;box-shadow:none;background:#00112b38;backdrop-filter:blur(4px);overflow:hidden;animation:engine-overlay-in .35s ease both!important}
#popup.engine-popup[open]{display:grid;place-items:center}
#popup.engine-popup::backdrop{background:transparent;backdrop-filter:none}
#popup.engine-popup .popup-body{position:relative;width:84%;max-width:none;padding:0;display:block;animation:engine-panel-in .65s cubic-bezier(.16,1,.3,1) both!important}
#popup.engine-popup #popup-art{width:100%;height:auto;max-height:none;margin:0;filter:drop-shadow(0 0 10px #ff502344)}
#popup.engine-popup #popup-action{position:absolute;left:23%;top:67%;width:54%;height:19%;min-height:0;margin:0;padding:0;border:0;border-radius:0;box-shadow:none;background:transparent url('../rocket-game-assets/page-7-1/watch-video-button.webp') center/contain no-repeat;font-size:0;animation:engine-action-in .45s .25s ease both!important}
#popup.engine-popup #popup-action:hover{filter:brightness(1.12);transform:scale(1.04)}
@keyframes engine-overlay-in{from{opacity:0}to{opacity:1}}
@keyframes engine-panel-in{from{opacity:0;transform:translateY(24px) scale(.82)}65%{opacity:1;transform:translateY(-3px) scale(1.025)}to{opacity:1;transform:translateY(0) scale(1)}}
@keyframes engine-action-in{from{opacity:0}to{opacity:1}}

/* Successful launch: clear the station, then accelerate beyond the top edge. */
.launching .fuel-system{animation:none!important;transform:translateY(-140%);opacity:0;transition:transform .8s ease-in,opacity .6s ease!important}
.launching .pad-rocket{animation:rocket-ascent 2.6s .9s cubic-bezier(.55,.05,.8,.65) both!important;transform-origin:50% 100%;will-change:transform}
.launching .pad-rocket .flames i:before{transform:scaleY(1.45);filter:drop-shadow(0 0 8px #ffb12b);transition:transform .7s ease,filter .7s ease!important}
.launching .pad-rocket .flames i.dead:before{opacity:0;transform:scale(.5,.15)}
@keyframes rocket-ascent{from{transform:translateY(0)}to{transform:translateY(-330%)}}

.launch-blackout:after{content:'';position:absolute;inset:0;z-index:20;background:#000;pointer-events:none;animation:launch-blackout .8s ease-in-out both!important}
@keyframes launch-blackout{from{opacity:0}to{opacity:1}}
.cinematic{height:max(var(--scene-height),177.778cqw);background:#000;overflow:hidden;animation:none}
.cinematic-path{position:absolute;left:27%;top:32%;width:46%;height:36%;animation:cinematic-flight 5.8s .35s linear both!important}
.cinematic .pad-rocket{left:0;top:0;width:100%;height:100%;transform-origin:50% 50%}
.cinematic .pad-rocket .flames{opacity:1}
.cinematic.hovering .pad-rocket{animation:flight-turbulence .18s ease-in-out infinite alternate!important}
.cinematic.accelerating .flames i:not(.dead):before{transform:scaleY(1.5);filter:drop-shadow(0 0 9px #ffac26);transition:transform .5s ease!important}
@keyframes cinematic-flight{
  0%{transform:translateY(220%);animation-timing-function:cubic-bezier(.15,.65,.25,1)}
  35%{transform:translateY(0)}
  52%{transform:translateY(0);animation-timing-function:cubic-bezier(.55,.05,.8,.65)}
  100%{transform:translateY(-350%)}
}
@keyframes flight-turbulence{from{transform:translate(-1px,1px) rotate(-.35deg)}to{transform:translate(1px,-1px) rotate(.35deg)}}

/* Distant stars and nearer streaks drift downward at different speeds. */
.cinematic:before,.cinematic:after{content:'';position:absolute;inset:0;pointer-events:none;background-repeat:repeat;animation:flight-star-scroll 5s linear infinite,flight-stars-reveal .8s ease both!important}
.cinematic:before{background-image:radial-gradient(circle at 25% 20%,#9dc9ff9c 1px,transparent 2px),radial-gradient(circle at 75% 65%,#ffffff65 1px,transparent 2px);background-size:160px 240px,230px 400px;opacity:.7}
.cinematic:after{background-image:radial-gradient(ellipse 1px 5px at 35% 35%,#d7f0ffbf 70%,transparent),radial-gradient(ellipse 1px 3px at 80% 75%,#6dbfff99 70%,transparent);background-size:160px 240px,230px 400px;animation-duration:1.7s,.8s!important;opacity:.65;transition:filter .5s ease!important}
.cinematic.accelerating:after{filter:brightness(1.7) drop-shadow(0 0 3px #83d8ff)}
.cinematic-path{z-index:1}
@keyframes flight-star-scroll{from{background-position:0 0,0 0}to{background-position:0 240px,0 400px}}
@keyframes flight-stars-reveal{from{opacity:0}to{opacity:.7}}

/* Page 6: supplied planet background, rocket and four-row results artwork. */
#journey{height:max(var(--scene-height),177.778cqw);padding:0;background-size:100% 100%;background-position:center;overflow:hidden}
#journey #planet-route,#journey #journey-route,#journey #distance-progress{position:absolute;width:1px;height:1px;padding:0;margin:0;overflow:hidden;clip:rect(0,0,0,0)}
#journey .flight{left:17%;top:63%;width:17%;animation:results-rocket-hover 3s ease-in-out infinite!important}
#journey .flight img{width:100%;transform:rotate(20deg);filter:drop-shadow(0 0 10px #ffbf5b80)}
#journey .journey-content{position:absolute;inset:0;width:100%;height:100%;text-align:center;pointer-events:none}
#journey-title{position:absolute;left:52%;top:57%;width:44%;font-size:clamp(13px,3.5cqw,21px);line-height:1.2;font-weight:800;text-transform:uppercase;text-shadow:0 2px 4px #00102d;animation:station-reveal .6s ease both!important}
#journey-stats{position:absolute;left:52%;top:63%;width:44%;aspect-ratio:478/408;display:grid;grid-template-columns:1fr;grid-template-rows:repeat(4,1fr);gap:0;margin:0;padding:0;border:0;border-radius:0;box-shadow:none;background:transparent url('../rocket-game-assets/page-6/details-panel.webp') center/100% 100% no-repeat;animation:results-panel-in .65s ease both!important}
.journey-stat{position:relative;min-width:0}
.journey-stat dt{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
#journey-stats .journey-stat dd{position:absolute;left:29%;top:57%;width:65%;margin:0;text-align:center;font-size:clamp(9px,2.65cqw,16px);line-height:1.15;color:#ffe78a;font-weight:800;white-space:nowrap;text-shadow:0 1px 3px #00102d}
#journey #continue{position:absolute;left:55%;top:87%;width:41%;height:6%;min-height:0;padding:0;border:0;border-radius:0;box-shadow:none;background:transparent url('../rocket-game-assets/page-6/continue-mission-button.webp') center/contain no-repeat;font-size:0;pointer-events:auto;animation:station-reveal .6s .25s ease both!important}
#journey #continue:hover{filter:brightness(1.12)}
@keyframes results-rocket-hover{0%,100%{transform:translate(0,0)}50%{transform:translate(3px,-8px)}}
@keyframes results-panel-in{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}

/* Distance-driven flight map, clear of the lower-right results panel. */
.journey-path{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.journey-path path{fill:none;stroke-linecap:round;stroke-width:.65}
.route-dots{stroke:#b6eaff80;stroke-dasharray:.4 2.2}
#route-covered{stroke:#69e8ff;stroke-dasharray:1;stroke-dashoffset:1;filter:drop-shadow(0 0 1px #20caff)}
#journey #journey-rocket{width:12%;animation:none!important;z-index:1;will-change:left,top,transform}
#journey #journey-rocket img{transform:none;filter:drop-shadow(0 0 7px #ffd16b);animation:none}
#journey #journey-rocket.route-arrived img{animation:route-arrival 1.2s ease-in-out 2!important}
@keyframes route-arrival{50%{filter:drop-shadow(0 0 13px #7aeaff);transform:translateY(-2px)}}
#journey-title{left:48%;top:55%;width:48%;font-size:clamp(14px,4cqw,23px);font-weight:700;line-height:1.25}
#journey-stats{left:48%;top:62%;width:48%;height:24%;aspect-ratio:auto;border:1.5px solid #4adfff;border-radius:6cqw;background:linear-gradient(135deg,#082b51ed,#02122ced);padding:2% 3%;box-shadow:inset 0 0 15px #33cfff22}
#journey-stats .journey-stat{padding-left:28%;display:flex;flex-direction:column;justify-content:center;gap:3px;border-bottom:1px solid #54d8ff66}
#journey-stats .journey-stat:last-child{border:0}
#journey-stats .journey-stat:before{content:'';position:absolute;left:0;top:12%;height:76%;aspect-ratio:1;background-image:url('../rocket-game-assets/page-6/details-panel.webp');background-size:597.5% 510%;background-position:11.3% 3%;border-radius:50%}
#journey-stats .journey-stat:nth-child(2):before{background-position:11.3% 32%}
#journey-stats .journey-stat:nth-child(3):before{background-position:11.3% 60.4%}
#journey-stats .journey-stat:nth-child(4):before{background-position:11.3% 90.5%}
#journey-stats .journey-stat dt{position:static;width:auto;height:auto;overflow:visible;clip:auto;font-size:clamp(9px,2.65cqw,15px);line-height:1.15;color:#d8efff;text-align:left;align-self:stretch;font-weight:500}
#journey-stats .journey-stat dd{position:static;width:auto;font-size:clamp(10px,2.9cqw,17px);line-height:1.15;text-align:left;align-self:stretch;white-space:normal;overflow-wrap:anywhere;font-weight:700}
#journey #continue{left:50%;top:88%;width:46%}

/* Retry contains only its yellow artwork and action, without an outer card. */
#popup.retry-popup{border:0;background:transparent;box-shadow:none}
#popup.retry-popup .popup-body{padding:8px;gap:18px}
#popup.retry-popup #popup-art{width:100%;max-height:none}

/* Mission failure uses the red artwork as the entire panel over the hangar. */
#popup.mission-failed-popup{background:transparent}

/* Announce the fuel formula after preparation, before the timed attempt. */
.rocket-model-name{animation:none!important}
.rocket-model-name:after{animation:none!important;opacity:0}
.formula-reveal .rocket-model-name{animation:formula-arrive .65s cubic-bezier(.16,1,.3,1) both!important}
.formula-reveal .rocket-model-name:before{content:'';position:absolute;inset:-8%;border-radius:6px;background:linear-gradient(110deg,transparent 25%,#a5f5ffcc 50%,transparent 75%);background-size:300% 100%;pointer-events:none;mix-blend-mode:screen;animation:formula-sweep .85s .15s ease-out both!important}
.formula-reveal .rocket-model-name:after{opacity:1;animation:formula-pulse .75s .2s ease-out 2 both!important}
@keyframes formula-arrive{from{opacity:0;transform:scale(.85)}60%{opacity:1;transform:scale(1.08)}to{opacity:1;transform:scale(1)}}
@keyframes formula-sweep{from{background-position:150% 0;opacity:0}20%{opacity:1}to{background-position:-50% 0;opacity:0}}
@keyframes formula-pulse{from{opacity:1;transform:scale(1);box-shadow:0 0 10px #42eaff,inset 0 0 8px #42eaff88}to{opacity:0;transform:scale(1.18);box-shadow:0 0 18px #42eaff00}}


/* Continuous inlet jets meet the moving liquid surface inside the glass. */
.chamber-liquid{--surface:100%;isolation:isolate}
/* Continuous levels, with no expanding splash rings or elliptical layer caps. */
.chamber-liquid i{overflow:hidden;transition:height .6s linear!important;background-image:linear-gradient(90deg,#001f4022,transparent 30%,#ffffff22 58%,transparent 80%,#001f4033)}
.chamber-liquid:after{content:'';position:absolute;left:0;right:0;top:var(--surface);height:1px;background:linear-gradient(90deg,transparent,#dfffffa0 25%,#dfffffa0 75%,transparent);pointer-events:none;z-index:3;transition:top .6s linear!important}
.chamber-pour{position:absolute;left:var(--pour-x);top:0;width:2.8%;height:clamp(0%,var(--surface),100%);z-index:4;opacity:0;pointer-events:none;transform:translateX(-50%);border-radius:0;background:linear-gradient(90deg,var(--flow-color),#eaffff99 48%,var(--flow-color));transition:height .6s linear,opacity .16s;filter:none}
.chamber-pour[data-flow="forward"],.chamber-pour[data-flow="reverse"]{opacity:.8}
.chamber-pour:before{content:'';position:absolute;inset:0;background:repeating-linear-gradient(180deg,transparent 0 10px,#ffffff45 12px,transparent 16px);animation:pour-fall .4s linear infinite}
.chamber-pour:after{content:none}
.chamber-pour[data-flow="reverse"]:before{animation-direction:reverse}
@keyframes pour-fall{to{background-position:0 32px}}


/* Ease distracting scenery back after the fuel station is ready. */
.hangar-closeup{filter:brightness(1);transition:filter .8s ease}
.fuel-ready .hangar-closeup{filter:brightness(.55)}


/* Page 8: supplied completion artwork and its matching action. */
#complete.completion-art{position:relative;height:max(var(--scene-height),177.778cqw);min-height:var(--scene-height);padding:0;background:url('../rocket-game-assets/page-8/page-8-bg.webp') center/100% 100% no-repeat}
.completion-message{position:absolute;left:18%;top:64.5%;width:64%;font-size:clamp(12px,3.5cqw,21px);line-height:1.15;font-weight:600;text-align:center;color:#fff}
.completion-value{position:absolute;left:65%;width:21%;text-align:right;font-size:clamp(9px,2.65cqw,16px);font-weight:700;line-height:1.2;color:#fff1a5;transform:translateY(-50%);font-variant-numeric:tabular-nums;white-space:nowrap}
.completion-distance{top:72.5%}
.completion-time{top:78%}
#complete .completion-next{position:absolute;left:20%;top:85.5%;width:64%;height:9%;padding:0;border:0;background:transparent;animation:station-reveal .6s .25s ease both}
.completion-next img{width:100%;height:100%;object-fit:contain}

/* Flight finishes before the statistics count up and the destination celebrates. */
#journey-stats.counting{animation:results-panel-in .55s ease both!important}
#journey-stats dd{font-variant-numeric:tabular-nums}
#journey.destination-reached #journey-title{color:#fff1a5;font-weight:900;animation:destination-title-in 1.1s cubic-bezier(.16,1,.3,1) both!important;text-shadow:0 0 12px #ffb700,0 2px 5px #00102d}
#journey.destination-reached:after{content:'';position:absolute;left:81%;top:23.5%;width:24%;aspect-ratio:1;border:2px solid #ffe88e;border-radius:50%;pointer-events:none;animation:destination-ring 1.5s ease-out 2 both}
@keyframes destination-title-in{from{opacity:0;transform:translateY(-25px) scale(.45);filter:blur(6px)}55%{opacity:1;transform:translateY(0) scale(1.16);filter:blur(0)}to{opacity:1;transform:scale(1)}}
@keyframes destination-ring{from{opacity:1;transform:translate(-50%,-50%) scale(.3);box-shadow:0 0 25px #ffd65c}to{opacity:0;transform:translate(-50%,-50%) scale(2.4)}}

#popup.mission-failed-popup #popup-action{left:20%;top:56%;width:60%;height:20%;background-image:url('../rocket-game-assets/page-7-3/retry-mission-button.webp')}

#hangar:not(.formula-reveal) .rocket-model-name{animation:none!important}
#hangar:not(.formula-reveal) .rocket-model-name:after{animation:none!important;opacity:0}
.boarding:not(.filling) .hud{display:none}
.boarding:not(.filling) .pad-rocket .flames{opacity:0}

/* Keep feedback centred on the tank's inset digital window. */
.tank output{left:17%;top:14.8%;width:66%;height:9%;display:flex;align-items:center;justify-content:center;font-size:clamp(13px,3.8cqw,22px);font-weight:900;line-height:1;font-variant-numeric:tabular-nums;color:#dfffff;text-shadow:0 0 3px var(--liquid);z-index:4;pointer-events:none;transition:color .15s,text-shadow .15s}
.tank output[data-changing="fill"],.tank output[data-changing="undo"]{color:#fff;text-shadow:none}
.tank output:after{content:attr(data-delta);position:absolute;left:0;top:115%;width:100%;height:90%;display:flex;align-items:center;justify-content:center;border-radius:5px;background:#001322e8;border:1px solid var(--liquid);color:#fff;font-size:clamp(10px,2.7cqw,16px);font-weight:800;text-shadow:0 0 5px var(--liquid);opacity:0;transform:translateY(2px);transition:opacity .15s,transform .15s}
.tank output[data-changing="fill"]:after,.tank output[data-changing="undo"]:after{opacity:1;transform:translateY(0)}

/* Flight rewards enter in sequence and sweep away with the boost. */
.cinematic:before{animation-duration:var(--far-star-duration,5s),.8s!important}
.cinematic:after{animation-duration:var(--near-star-duration,1.7s),.8s!important}
.flight-rewards{position:absolute;left:12%;top:70%;width:76%;display:grid;gap:12px;z-index:3;pointer-events:none}
.flight-badge{position:relative;padding:12px 8px;text-align:center;border:1px solid currentColor;border-radius:12px;overflow:hidden;background:linear-gradient(120deg,#080d20ed,#101526df);box-shadow:0 0 20px #ff49332b,inset 0 0 16px #ff493314;animation:flight-badge-enter .65s cubic-bezier(.16,1,.3,1) both!important}
.flight-badge span{display:block;font-size:clamp(10px,2.8cqw,16px);font-weight:700;letter-spacing:.12em;margin-bottom:5px}
.flight-badge strong{display:block;font-size:clamp(16px,4.6cqw,27px);font-weight:900;font-variant-numeric:tabular-nums;text-shadow:0 0 12px currentColor}
.flight-badge:after{content:'';position:absolute;inset:0;background:linear-gradient(110deg,transparent 35%,#ffffff55 50%,transparent 65%);transform:translateX(-120%);animation:flight-badge-shine .8s .25s ease-out both!important}
.flight-badge.penalty{color:#ff655c}
.flight-badge.bonus{color:#ffe077;box-shadow:0 0 24px #ffd34b33,inset 0 0 18px #ffd34b18}
.rewards-exit .flight-rewards{animation:flight-rewards-exit .65s ease-in both!important}
.cinematic.bonus-boost:after{filter:brightness(1.8) sepia(.7) saturate(2) drop-shadow(0 0 5px #ffd45c)}
@keyframes flight-badge-enter{from{opacity:0;transform:translateY(22px) scale(.75);filter:blur(5px)}65%{opacity:1;transform:translateY(-2px) scale(1.03);filter:blur(0)}to{opacity:1;transform:none}}
@keyframes flight-badge-shine{to{transform:translateX(120%)}}
@keyframes flight-rewards-exit{to{opacity:0;transform:translateY(-40px) scale(.94);filter:blur(4px)}}


/* Reel-sized lesson, with independent topic and action rows. */
#popup.video-popup{position:fixed;inset:auto;left:var(--popup-left,50%);top:var(--popup-top,1dvh);width:var(--popup-width,min(560px,100vw));height:var(--popup-height,98dvh);max-width:100vw;max-height:100dvh;margin:0;border:0;border-radius:0;background:#020916;box-shadow:none;overflow:hidden}
#popup.video-popup .popup-body{height:100%;min-height:0;display:grid;grid-template-rows:auto minmax(0,1fr) auto;gap:8px;padding:12px 10px max(12px,env(safe-area-inset-bottom))}
#popup.video-popup #popup-title{font-size:clamp(16px,4cqw,22px);line-height:1.2;padding:2px 4px;color:#e4fbff}
#popup.video-popup #lesson{width:100%;height:100%;min-height:0;max-height:none;object-fit:contain;background:#000;border-radius:8px}
#popup.video-popup #popup-action{width:100%;min-height:48px;padding:12px 16px;font-size:16px;box-shadow:0 3px 0 #c45e00}
#popup.video-popup::backdrop{background:#000b;backdrop-filter:blur(4px)}

/* Home loading gate: byte progress with a retry that keeps completed downloads. */
.asset-loader{position:absolute;left:9%;bottom:5%;width:82%;padding:18px;border:1px solid #4bdfff;border-radius:18px;background:#02122ef2;box-shadow:0 0 25px #00bfff33;z-index:5;text-align:center}
.loading-title{font-size:clamp(16px,4cqw,23px);font-weight:800;color:#e5faff;margin-bottom:12px}
.loading-meter{display:flex;align-items:center;gap:12px}
#load-progress{flex:1;min-width:0;height:14px;margin:0;border:0;border-radius:10px;overflow:hidden;accent-color:#36e4ff;background:#163257}
#load-progress::-webkit-progress-bar{background:#163257;border-radius:10px}
#load-progress::-webkit-progress-value{background:linear-gradient(90deg,#1585ff,#42f4e0);border-radius:10px}
#load-percent{min-width:3ch;font-size:18px;color:#87f6ff;font-variant-numeric:tabular-nums}
#load-status{margin-top:10px;font-size:12px;line-height:1.5;color:#c0dce8;overflow-wrap:anywhere}
#load-retry{margin-top:12px;padding:10px;font-size:15px}

/* Successful launch: exhaust rolls outward from the pad, then engulfs the hangar. */
.launch-plume{position:absolute;inset:65% 0 0;mask-image:linear-gradient(transparent,#000 18%);z-index:9;overflow:hidden;pointer-events:none;visibility:hidden}
.launching .launch-plume{visibility:visible}
.launch-plume i{position:absolute;left:50%;top:81%;width:24%;height:16%;opacity:0;border-radius:45%;filter:blur(3px);background:radial-gradient(ellipse at 30% 36%,#f2ede5 0 17%,transparent 49%),radial-gradient(ellipse at 70% 30%,#d9dfe4 0 20%,transparent 50%),radial-gradient(ellipse at 50% 60%,#b1beca 0 28%,transparent 66%);transform-origin:50% 75%;--drift:-100%;--rise:-45%;--delay:.65s}
.launch-plume i:nth-child(n+4){display:none}
.launch-plume i:nth-child(2){--drift:45%;--rise:-60%;--delay:.8s}
.launch-plume i:nth-child(3){--drift:-160%;--rise:-115%;--delay:1s}
.launch-plume i:nth-child(4){--drift:100%;--rise:-135%;--delay:1.12s}
.launch-plume i:nth-child(5){--drift:-70%;--rise:-230%;--delay:1.3s}
.launch-plume i:nth-child(6){--drift:25%;--rise:-275%;--delay:1.45s}
.launching .launch-plume i{animation:launch-cloud-roll 2.15s var(--delay) cubic-bezier(.2,.65,.35,1) both!important;will-change:transform,opacity}
.launch-plume:after{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 50% 98%,#ffc98916,transparent 65%),linear-gradient(0deg,#cbd5df44,#a4b6c81c 45%,#a4b6c808);opacity:0}
.launching .launch-plume:after{animation:launch-haze 1s 1s ease-in both!important}
#hangar.launching{animation:launch-camera-shake 3.6s linear both!important}
@keyframes launch-cloud-roll{0%{opacity:0;transform:translate(-50%,10%) scale(.12)}15%{opacity:.22}65%{opacity:.3}100%{opacity:.24;transform:translate(var(--drift),var(--rise)) scale(2) rotate(18deg)}}
@keyframes launch-haze{from{opacity:0}to{opacity:1}}
@keyframes launch-camera-shake{0%,15%,100%{transform:translate(0,0)}22%{transform:translate(-1px,1px)}26%{transform:translate(1px,-1px)}30%{transform:translate(-2px,1px)}34%{transform:translate(2px,-2px)}38%{transform:translate(-3px,2px)}42%{transform:translate(3px,-2px)}46%{transform:translate(-3px,-1px)}50%{transform:translate(2px,3px)}54%{transform:translate(-3px,-2px)}58%{transform:translate(3px,1px)}62%{transform:translate(-2px,2px)}66%{transform:translate(2px,-2px)}70%{transform:translate(-2px,1px)}75%{transform:translate(1px,-1px)}82%{transform:translate(-1px,1px)}90%{transform:translate(0,0)}}


/* Two small gradient puffs, only at the newly damaged nozzle. No blur filters or particles. */
.engine-soot{position:absolute;left:50%;top:-8%;width:220%;height:180%;transform:translateX(-50%);pointer-events:none;z-index:1}
.engine-soot:before,.engine-soot:after{content:'';position:absolute;inset:0;opacity:0;border-radius:45%;background:radial-gradient(ellipse at 35% 55%,#14181de6 0 12%,#303740c9 29%,transparent 65%),radial-gradient(ellipse at 65% 35%,#101419e6 0 15%,#4b535b99 35%,transparent 65%);transform-origin:50% 80%}
#hangar .smoking .engine-soot:before{animation:engine-soot-rise 1.6s .08s ease-out both!important;will-change:transform,opacity}
#hangar .smoking .engine-soot:after{animation:engine-soot-rise 1.45s .3s ease-out both!important;--soot-drift:15%;will-change:transform,opacity}
@keyframes engine-soot-rise{0%{opacity:0;transform:translate(0,10%) scale(.3)}20%{opacity:1}60%{opacity:.95}100%{opacity:0;transform:translate(var(--soot-drift,-20%),-75%) scale(1.65)}}

@keyframes engine-soot-fade{0%,100%{opacity:0}25%,60%{opacity:.65}}

/* Keep the failed rocket closed until the lesson/retry flow returns to gameplay. */
.failure-resting .pad-rocket .rocket-top{transform:rotate(0)}
.failure-resting:not(.failed-liftoff) .fuel-system{animation:none!important;transform:translateY(-120%);opacity:0}
.retry-preparing .fuel-system{animation:none!important;transform:translateY(0);opacity:1;transition:transform .9s .65s ease,opacity .7s .65s ease!important}
.retry-preparing .rocket-top{transition:transform .65s ease!important}
.retry-station:not(.failed-liftoff) .fuel-system{animation:none!important}


/* Supplied retry artwork replaces the generic gold action in Try Again. */
#popup.retry-popup #popup-action{width:80%;aspect-ratio:588/147;min-height:44px;height:auto;justify-self:center;margin:0;padding:0;border:0;border-radius:0;background:transparent url('../rocket-game-assets/page-7-3/retry-mission-button.webp') center/contain no-repeat;box-shadow:none;font-size:0}
#popup.retry-popup #popup-action:hover{filter:brightness(1.1)}


/* Mobile Safari compositor and touch-selection fallbacks. */
#popup.engine-popup{-webkit-backdrop-filter:blur(4px)}
#popup.video-popup::backdrop{-webkit-backdrop-filter:blur(4px)}
.launch-plume{-webkit-mask-image:linear-gradient(transparent,#000 18%)}
.image-button,.tank-controls button,.rocket-choice{-webkit-touch-callout:none;-webkit-user-select:none;user-select:none}
img{-webkit-user-drag:none}
@supports not (height:100svh){.game{--scene-height:max(640px,100vh)}.screen{min-height:var(--scene-height)}}

/* Enlarged reservoir controls and shared last-pour undo. */
.tank{aspect-ratio:229/428}
.tank output{top:12%;left:13%;width:74%;height:13%;font-family:system-ui,-apple-system,"Segoe UI",sans-serif;font-weight:600;font-size:clamp(19px,5.6cqw,31px);letter-spacing:-.025em;color:#fff;text-shadow:none}
.tank output:after{display:none}
.tank-liquid{left:17%;right:17%;top:31%;bottom:30%;background:#001730}
.tank-name{top:50.5%;left:12%;width:76%;transform:translateY(-50%);font-family:system-ui,-apple-system,"Segoe UI",sans-serif;font-weight:600;font-size:clamp(14px,4.1cqw,23px);line-height:1.2;letter-spacing:.01em;text-shadow:0 1px 3px #001d36;pointer-events:none}
.tank-controls{left:8%;right:8%;top:74%;bottom:auto;height:15%;gap:0}
.tank-controls button{display:flex;align-items:center;justify-content:center;line-height:1;width:100%;height:100%;flex:1;overflow:visible;border-radius:6px;background:linear-gradient(#ffe65b,#ffbf00);border:1px solid #fff3a2;box-shadow:0 2px 0 #bb7400;color:#171c22;font-weight:900;font-size:clamp(15px,4.6cqw,26px)}
.tank-controls [data-fill] img{display:none}
.tank-controls [data-fill]:after{content:'FILL'}
.tank-controls button:before{inset:-5px 0}
.chamber{left:12%;width:76%}
.shared-undo{position:absolute;left:73%;bottom:9%;width:19%;z-index:5;touch-action:manipulation}
.shared-undo img{width:100%}
.shared-undo:disabled{opacity:.45}
.pipe-outline,.pipe-metal{display:none}
.pipe-core{stroke:transparent}
.pipe-core[data-flow]{filter:drop-shadow(0 0 2px var(--flow-color))}
.pipe-flow[data-flow="forward"],.pipe-flow[data-flow="reverse"]{stroke-dasharray:5 12;stroke:#fff;opacity:.9}

/* One leading amount and four soft echoes form a continuous transfer trail.
   Full-tank layers make percentage translations responsive without layout animation. */
.transfer-gain{position:absolute;inset:0;z-index:6;pointer-events:none;user-select:none;color:#63ff94;font:700 clamp(17px,4.8cqw,27px)/1.1 system-ui,-apple-system,"Segoe UI",sans-serif;font-variant-numeric:tabular-nums;transform-origin:50% 68%;animation:transfer-gain-rise .95s linear var(--burst-delay,0ms) both!important;will-change:transform,opacity}
.transfer-gain:after{content:attr(data-amount);position:absolute;left:50%;top:68%;white-space:nowrap;transform:translate(-50%,-50%);text-shadow:0 1px 2px #002d15,0 0 5px #28e86c}
.transfer-gain.is-undo{transform-origin:50% 30%;animation-name:transfer-gain-fall!important;color:#ff6575}
.transfer-gain.is-undo:after{top:30%;text-shadow:0 1px 2px #450610,0 0 5px #ff344e}
@keyframes transfer-gain-rise{
  0%{opacity:0;transform:translate3d(0,0,0) scale(var(--echo-scale))}
  12%{opacity:var(--echo-opacity)}
  65%{opacity:var(--echo-opacity)}
  100%{opacity:0;transform:translate3d(0,-38%,0) scale(.38)}
}
@keyframes transfer-gain-fall{
  0%{opacity:0;transform:translate3d(0,0,0) scale(var(--echo-scale))}
  12%{opacity:var(--echo-opacity)}
  65%{opacity:var(--echo-opacity)}
  100%{opacity:0;transform:translate3d(0,38%,0) scale(.38)}
}
/* Directional transfer feedback is essential to this interaction. Keep its
   gentle transform travel under reduced motion, as with the docking sequence. */

/* Highlight the digital amount for the full transfer, preserving its bounce. */
.tank output[data-changing="fill"]{color:#eaffff;text-shadow:0 0 4px #fff8,0 0 10px var(--liquid),0 0 16px var(--liquid);background:radial-gradient(ellipse,#00d7ff26,transparent 72%)}
.tank output[data-changing="undo"]{color:#fff0c4;text-shadow:0 0 4px #fff8,0 0 10px #ffd36a,0 0 16px #ffd36a88;background:radial-gradient(ellipse,#ffd36a26,transparent 72%)}

/* Sad astronaut enters above the existing panel after its entrance starts. */
#popup.engine-popup .popup-body>.popup-hero{position:absolute;left:50%;bottom:82%;width:60%;height:auto;max-height:28vh;max-height:28dvh;object-fit:contain;margin:0;z-index:2;pointer-events:none;transform-origin:50% 100%;filter:drop-shadow(0 5px 8px #00132990);animation:astronaut-entrance .85s .12s cubic-bezier(.16,1,.3,1) both,astronaut-breathe 3.5s .97s ease-in-out infinite}
#popup.has-astronaut .popup-body{margin-top:12%}
@keyframes astronaut-entrance{0%{opacity:0;transform:translate(-50%,24px) scale(.7) rotate(-7deg)}65%{opacity:1;transform:translate(-50%,-5px) scale(1.04) rotate(2deg)}100%{opacity:1;transform:translate(-50%,0) scale(1) rotate(0)}}
@keyframes astronaut-breathe{0%,100%{transform:translate(-50%,0) rotate(0)}50%{transform:translate(-50%,-4px) rotate(-1deg)}}

/* The banner masks the cropped astronaut base while the head stays above it. */
#popup.has-astronaut .popup-body{isolation:isolate}
#popup.has-astronaut .popup-body>.popup-hero{z-index:0}
#popup.has-astronaut #popup-art{position:relative;z-index:1}
#popup.has-astronaut #popup-action{z-index:2}

/* Mission pace values align with the supplied page-8 result panel. */
#complete .completion-message{position:absolute;inset:auto;width:1px;height:1px}
#complete .pace-stat{position:absolute;left:36%;width:52%;display:flex;align-items:baseline;gap:.12em;white-space:nowrap;font-family:Arial,Helvetica,sans-serif;font-weight:900;font-size:clamp(26px,8cqw,45px);line-height:1;color:#82f9ff;text-shadow:0 2px 0 #003b67,0 4px 5px #0009;transform-origin:50% 50%;animation:pace-arrive .75s .55s cubic-bezier(.16,1,.3,1) both}
#complete .pace-current{top:61.5%}
#complete .pace-best{top:70%;color:#ffe45c;text-shadow:0 2px 0 #926100,0 4px 5px #0009;animation-delay:0s}
.pace-stat strong{font:inherit;letter-spacing:-.06em;font-variant-numeric:tabular-nums}
.pace-stat span{font-size:.7em}
.pace-stat small{font-size:.52em;letter-spacing:-.03em}
.pace-stat:after{content:'';position:absolute;inset:-15% -2%;pointer-events:none;background:linear-gradient(110deg,transparent 30%,#ffffff80 50%,transparent 70%);mix-blend-mode:screen;opacity:0;animation:pace-sweep .9s 2.15s ease-out both}
.pace-best:after{animation-delay:1.5s}
#complete .completion-distance,#complete .completion-time{top:82%;width:40%;font-size:clamp(9px,2.5cqw,14px);color:#daf7ff;text-align:center;animation:station-reveal .6s 1.7s both}
#complete .completion-distance{left:10%}
#complete .completion-time{left:50%}
#complete .completion-distance:before{content:'Distance: '}
#complete .completion-time:before{content:'Time: '}
@keyframes pace-arrive{from{opacity:0;transform:translateY(14px) scale(.82);filter:blur(3px)}65%{opacity:1;transform:translateY(-2px) scale(1.04);filter:blur(0)}to{opacity:1;transform:none;filter:blur(0)}}
@keyframes pace-sweep{0%{opacity:0;transform:translateX(-75%)}30%{opacity:.65}100%{opacity:0;transform:translateX(75%)}}

/* The winning astronaut peeks from behind the destination's results card. */
#journey .journey-hero{position:absolute;left:61%;bottom:36%;width:28%;height:auto;z-index:2;pointer-events:none;transform-origin:50% 100%;animation:journey-hero-in .85s cubic-bezier(.16,1,.3,1) both,journey-hero-idle 3.5s .85s ease-in-out infinite}
#journey #journey-stats{z-index:3}
#journey #journey-title{top:auto;bottom:calc(36% + 28cqw + 16px);left:49%;width:46%;padding:2% 3%;border:1px solid #ffe27e;border-radius:14px;background:linear-gradient(135deg,#10385a,#041831);z-index:4;font-size:clamp(12px,3.3cqw,19px);text-transform:none}
#journey-title:after{content:'';position:absolute;left:55%;top:100%;border:8px solid transparent;border-top-color:#ffe27e;pointer-events:none}
@keyframes journey-hero-in{from{opacity:0;transform:translateY(22px) scale(.75) rotate(-6deg)}65%{opacity:1;transform:translateY(-4px) scale(1.04) rotate(2deg)}to{opacity:1;transform:translateY(0) scale(1) rotate(0)}}
@keyframes journey-hero-idle{0%,100%{transform:translateY(0)}50%{transform:translateY(-3px)}}

/* Supplied combined success artwork replaces the separate hero and speech bubble. */
#journey .journey-hero{left:48%;bottom:38%;width:48%;z-index:4}

/* Keep the selection invitation centered and alive until a rocket is chosen. */
.hangar.selecting .question{top:50%;left:14%;width:72%;transform:translateY(-50%);pointer-events:none}
.hangar.selecting:not(.boarding) .question{animation:choose-rocket-pulse 2s ease-in-out infinite!important}
.hangar.selecting:not(.boarding) .question #instruction{animation:choose-rocket-blink 2s ease-in-out infinite!important}
@keyframes choose-rocket-pulse{0%,100%{transform:translateY(-50%) scale(1);box-shadow:inset 0 0 15px #45cfff66,0 0 8px #21baff44}50%{transform:translateY(-50%) scale(1.045);box-shadow:inset 0 0 22px #45cfffaa,0 0 24px #21baffaa}}
@keyframes choose-rocket-blink{0%,100%{opacity:.65;text-shadow:0 0 2px #64eaff}50%{opacity:1;text-shadow:0 0 10px #64eaff}}

/* The entire reservoir is a forgiving hold-to-fill target. */
.tank{touch-action:none;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;cursor:pointer}

/* Selection spotlight: dim scenery, keep the assembly line and choices luminous. */
.hangar.selecting.selection-spotlight:not(.boarding) .hangar-closeup{filter:brightness(.35) saturate(.8)}
.conveyor:before{content:'';position:absolute;inset:0;z-index:0;pointer-events:none;border-top:1px solid #7ceeff88;border-bottom:1px solid #7ceeff88;background:linear-gradient(0deg,#1aa9df35,transparent 65%),radial-gradient(ellipse at 50% 100%,#33d8ff45,transparent 75%);box-shadow:inset 0 0 20px #31caff55;opacity:0;transition:opacity .45s ease}
.selecting.selection-spotlight:not(.boarding) .conveyor:before{opacity:1;animation:conveyor-spotlight 2.4s ease-in-out infinite}
.rocket-choice .rocket-model{transition:filter .45s ease}
.selecting.selection-spotlight:not(.boarding) .rocket-choice .rocket-model{filter:brightness(1.18) drop-shadow(0 0 3px #ddffff) drop-shadow(0 0 7px #27d5ff)}
.selecting.selection-spotlight:not(.boarding) .rocket-choice:hover .rocket-model,.selecting.selection-spotlight:not(.boarding) .rocket-choice:focus-visible .rocket-model{filter:brightness(1.3) drop-shadow(0 0 4px #fff) drop-shadow(0 0 10px #ffe572)}
@keyframes conveyor-spotlight{0%,100%{opacity:.65}50%{opacity:1}}

/* Supplied two-frame selection sign replaces the text-panel presentation. */
.hangar.selecting .question{top:auto;bottom:20.5%;left:30%;width:40%;height:auto;transform:translateY(0);transform-origin:50% 100%;aspect-ratio:240/415;padding:0;border:0;border-radius:0;background:none;box-shadow:none}
.hangar.selecting .question #instruction{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;animation:none!important}
.pick-rocket-art{display:block;position:absolute;inset:0;pointer-events:none}
.pick-rocket-art img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain}
.pick-rocket-art img:nth-child(2){opacity:0}
.hangar.selecting:not(.boarding) .question{animation:pick-rocket-point 1.8s ease-in-out infinite!important}
.selecting:not(.boarding) .pick-rocket-art img:nth-child(2){animation:pick-rocket-alternate .4s steps(1,end) infinite}
@keyframes pick-rocket-point{0%,100%{transform:translateY(-6px) scale(1)}50%{transform:translateY(10px) scale(1.035)}}
@keyframes pick-rocket-alternate{0%,100%{opacity:0}50%{opacity:1}}

/* Optional full-screen demonstration before mission selection. */
#brief .demo-button{position:absolute;top:98%;left:25%;width:50%;padding:9px 16px;font-size:clamp(14px,4cqw,22px);animation:breathe 2.5s ease-in-out infinite}
#demo-popup{position:fixed;inset:0;width:100vw;height:100vh;height:100dvh;max-width:none;max-height:none;margin:0;padding:0;border:0;border-radius:0;background:#020b1c;overflow:hidden;animation:demo-reveal .45s cubic-bezier(.16,1,.3,1) both}
#demo-popup[open]{display:block}
#demo-popup::backdrop{background:#000d}
.demo-media{position:absolute;inset:0;display:grid;place-items:center}
#demo-gif{width:100%;height:100%;object-fit:contain}
#demo-placeholder{color:#acf2ff;font-size:clamp(20px,5vw,32px);text-align:center;animation:breathe 2.5s ease-in-out infinite}
#demo-start-mission{position:absolute;left:50%;bottom:max(24px,env(safe-area-inset-bottom));transform:translateX(-50%);width:min(80%,360px);z-index:2}
#demo-start-mission:hover{transform:translateX(-50%) translateY(-2px)}
#demo-start-mission:active{transform:translateX(-50%) scale(.96)}
.demo-close{position:absolute;right:max(14px,env(safe-area-inset-right));top:max(14px,env(safe-area-inset-top));width:44px;height:44px;border:1px solid #83eaff;border-radius:50%;background:#04152bda;color:white;font-size:28px;z-index:3}
@keyframes demo-reveal{from{opacity:0;transform:translateY(20px) scale(.97)}to{opacity:1;transform:none}}

/* Fit the new taller mission brief to the visible device height. */
#brief{height:100vh;height:100svh;min-height:0}
#brief .brief-frame{top:22px;left:0;right:0;margin-inline:auto;width:min(90%,calc((100vh - 56px)*.569915));width:min(90%,calc((100svh - 56px)*.569915))}
#brief .wide{top:76%;left:16.667%;width:66.666%}
#brief .demo-button{top:86%;left:23%;width:54%;height:6.5%;min-height:0;padding:0;font-size:clamp(10px,3cqw,18px);display:flex;align-items:center;justify-content:center}
@media(min-width:600px){#brief{height:calc(100vh - 40px);height:calc(100svh - 40px)}#brief .brief-frame{width:min(90%,calc((100vh - 96px)*.569915));width:min(90%,calc((100svh - 96px)*.569915))}}

/* Supplied red Demo artwork, fitted without stretching. */
#brief .demo-button{background:none;border:0;border-radius:0;box-shadow:none}
#brief .demo-button img{width:100%;height:100%;object-fit:contain}

#demo-start-mission{padding:0;border:0;background:none;box-shadow:none}
#demo-start-mission img{width:100%;height:auto}

/* Three-slide demo: navigation and mission action remain below the media. */
#demo-popup .demo-media{top:max(64px,env(safe-area-inset-top));bottom:170px}
.demo-controls{position:absolute;left:50%;bottom:max(16px,env(safe-area-inset-bottom));width:min(92%,420px);transform:translateX(-50%);display:grid;gap:14px;z-index:2}
.demo-navigation{display:flex;align-items:center;justify-content:space-between;gap:10px}
.demo-nav-button{min-height:44px;padding:8px 12px;border:1px solid #63e7ff;border-radius:12px;background:linear-gradient(#103c63,#041c38);color:#edfcff;font-weight:700;font-size:clamp(12px,3.5vw,16px);transition:transform .2s,filter .2s}
.demo-nav-button:active:not(:disabled){transform:scale(.95)}
#demo-slide-status{color:#bcf5ff;font-weight:800;font-size:16px;white-space:nowrap;font-variant-numeric:tabular-nums}
#demo-popup #demo-start-mission{position:relative;left:auto;bottom:auto;transform:none;width:90%;max-width:360px;justify-self:center}
#demo-popup #demo-start-mission:hover{transform:translateY(-2px)}
#demo-popup #demo-start-mission:active{transform:scale(.96)}

/* Keep demo media and controls in separate, height-constrained rows. */
#demo-popup{box-sizing:border-box;padding:max(64px,calc(env(safe-area-inset-top) + 56px)) max(16px,env(safe-area-inset-right)) max(16px,env(safe-area-inset-bottom)) max(16px,env(safe-area-inset-left))}
#demo-popup[open]{display:grid;grid-template-rows:minmax(0,1fr) auto;gap:12px;justify-items:center}
#demo-popup .demo-media{position:relative;inset:auto;width:100%;max-width:560px;height:100%;min-height:0;min-width:0;overflow:hidden}
#demo-popup #demo-gif{position:absolute;inset:0;width:100%;height:100%;min-height:0;object-fit:contain;object-position:center}
#demo-popup .demo-controls{position:relative;left:auto;bottom:auto;width:min(100%,420px);transform:none;gap:10px;min-width:0}
#demo-popup .demo-navigation{display:grid;grid-template-columns:1fr auto 1fr;gap:12px;width:100%;align-items:center}
#demo-popup .demo-nav-button{width:100%;padding:8px;min-width:0}
#demo-popup #demo-slide-status{text-align:center;min-width:44px}
#demo-popup #demo-start-mission{width:min(90%,320px)}
@media(max-height:450px){#demo-popup{padding-top:max(64px,calc(env(safe-area-inset-top) + 56px));gap:8px}#demo-popup .demo-controls{gap:6px}#demo-popup #demo-start-mission{width:210px;max-width:80%}}

/* Compact, centered demo controls with a clear mission action below. */
#demo-popup{padding:max(8px,env(safe-area-inset-top)) max(8px,env(safe-area-inset-right)) max(10px,env(safe-area-inset-bottom)) max(8px,env(safe-area-inset-left))}
#demo-popup[open]{gap:8px}
#demo-popup .demo-media{max-width:none}
#demo-popup .demo-controls{width:min(100%,340px);grid-template-columns:1fr;justify-items:center;gap:8px}
#demo-popup .demo-navigation{display:grid;grid-template-columns:1fr 48px 1fr;width:min(100%,280px);gap:8px;padding:4px;border:1px solid #3994bb55;border-radius:24px;background:linear-gradient(180deg,#0c2941,#041426);box-shadow:inset 0 1px 0 #9bdcff12;align-items:center}
#demo-popup .demo-nav-button{min-height:32px;padding:5px 8px;border:0;border-radius:18px;background:transparent;font-size:12px;box-shadow:none;color:#d5f7ff}
#demo-popup .demo-nav-button:hover:not(:disabled){background:#3fcaff18}
#demo-popup #demo-slide-status{min-width:0;font-size:13px;letter-spacing:.1em;color:#79e9ff}
#demo-popup #demo-start-mission{width:230px;max-width:75%;min-width:0;filter:drop-shadow(0 2px 8px #ffb90020)}
#demo-popup .demo-close{width:34px;height:34px;font-size:23px;top:max(10px,env(safe-area-inset-top));right:max(10px,env(safe-area-inset-right));background:#04152bdd}
@media(max-height:450px){#demo-popup .demo-controls{gap:4px}#demo-popup .demo-navigation{padding:2px}#demo-popup #demo-start-mission{width:180px}}

/* Center the fitted brief frame in the available screen on every aspect ratio. */
#brief{display:grid;place-items:center}
#brief .brief-frame{position:relative;top:auto;left:auto;right:auto;margin:0}

/* Prominent demo navigation; mission starts from the brief page. */
#demo-popup .demo-controls{width:min(100%,520px)}
#demo-popup .demo-navigation{width:100%;grid-template-columns:1fr 48px 1fr;gap:10px;padding:0;border:0;border-radius:0;background:none;box-shadow:none}
#demo-popup .demo-nav-button{min-height:54px;padding:12px 10px;border:1px solid #65e8ff;border-radius:14px;background:linear-gradient(180deg,#13618a,#073453);font-size:clamp(15px,3.8vw,19px);font-weight:800;box-shadow:inset 0 1px 0 #c8faff45,0 3px 10px #00baff22}
#demo-popup .demo-nav-button:hover:not(:disabled){background:linear-gradient(180deg,#1b7dad,#0b486c);filter:brightness(1.08)}
#demo-popup #demo-slide-status{font-size:16px;letter-spacing:.03em}

/* Lesson-only reminder; the video yields space within the existing popup. */
#lesson-pro-tip{display:none}
#popup.video-popup .popup-body{grid-template-rows:auto auto minmax(0,1fr) auto}
#popup.video-popup #lesson-pro-tip{display:block;padding:9px 12px;border:1px solid #ffd65a;border-radius:10px;background:#493607;color:#fff3bd;font-size:clamp(12px,3.3cqw,16px);line-height:1.35;text-align:center;box-shadow:0 0 12px #ffc83d33}
#lesson-pro-tip strong{color:#ffdc59}

/* Center emphasis follows actual conveyor position; boarding freezes its pose. */
.rocket-choice .rocket-model{transform-origin:50% 100%}
.selecting:not(.boarding) .rocket-choice .rocket-model.center-emphasis{filter:brightness(calc(1.18 + .62 * var(--center-emphasis))) drop-shadow(0 0 calc(3px + 5px * var(--center-emphasis)) #fff4b0) drop-shadow(0 0 calc(7px + 21px * var(--center-emphasis)) #ffd23f) drop-shadow(0 0 calc(16px * var(--center-emphasis)) #ff8c00)}

#journey #continue[data-mission-completed="true"]{background-image:url('../rocket-game-assets/page-6/next-mission-button.webp')}