:root{
  --space:#02050d;--space2:#061126;--space3:#0a1a38;
  --panel:rgba(8,20,43,.86);--panel2:rgba(11,28,57,.94);
  --line:rgba(119,218,255,.16);--line2:rgba(119,218,255,.32);
  --text:#f4f9ff;--muted:#98acc5;--cyan:#65efff;--blue:#75a4ff;
  --violet:#b28aff;--pink:#ff86c8;--green:#67f2b0;--yellow:#ffdb72;
  --orange:#ff9c65;--red:#ff657f;--shadow:0 30px 90px rgba(0,0,0,.46);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;min-height:100vh;color:var(--text);
 font:15px/1.58 Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
 background:
   radial-gradient(circle at 14% 10%,rgba(73,76,255,.19),transparent 26%),
   radial-gradient(circle at 82% 6%,rgba(64,220,255,.13),transparent 24%),
   radial-gradient(circle at 70% 80%,rgba(176,92,255,.09),transparent 30%),
   linear-gradient(160deg,var(--space),var(--space2) 55%,#031027);
 overflow-x:hidden;
}
body:before,body:after{
 content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
 background-image:
   radial-gradient(circle,rgba(255,255,255,.85) 0 1px,transparent 1.2px),
   radial-gradient(circle,rgba(101,239,255,.65) 0 1px,transparent 1.4px);
 background-size:53px 53px,109px 109px;background-position:0 0,21px 17px;opacity:.30;
 animation:starDrift 70s linear infinite;
}
body:after{background-size:83px 83px,137px 137px;opacity:.14;animation-duration:110s;animation-direction:reverse}
@keyframes starDrift{to{transform:translate3d(-140px,100px,0)}}
a{text-decoration:none;color:inherit}
button,input,select,textarea{font:inherit}
button{color:inherit}
.wrap{width:min(1180px,calc(100% - 36px));margin:auto}
.topbar{position:sticky;top:0;z-index:40;background:rgba(2,5,13,.68);backdrop-filter:blur(20px);border-bottom:1px solid var(--line)}
.nav{height:72px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.logo{display:flex;align-items:center;gap:11px;font-weight:900;letter-spacing:.2px}
.logo-mark{width:36px;height:36px;border-radius:50%;position:relative;background:radial-gradient(circle at 33% 30%,#d6fbff 0 7%,var(--cyan) 20%,#6b85ff 56%,#251b5d 100%);box-shadow:0 0 34px rgba(101,239,255,.28)}
.logo-mark:after{content:"";position:absolute;left:-7px;right:-7px;top:12px;height:10px;border:1px solid rgba(255,255,255,.72);border-radius:50%;transform:rotate(-20deg)}
.navlinks{display:flex;align-items:center;gap:7px}
.navlinks a{padding:9px 11px;border-radius:12px;color:var(--muted);transition:.2s}
.navlinks a:hover{color:var(--text);background:rgba(255,255,255,.04)}
.progress-chip{display:flex;align-items:center;gap:8px;padding:8px 11px;border:1px solid rgba(255,219,114,.23);border-radius:999px;background:rgba(255,219,114,.06);color:var(--yellow);font-size:12px;font-weight:850}
.hero{padding:75px 0 52px;display:grid;grid-template-columns:1.08fr .92fr;gap:46px;align-items:center}
.pill{display:inline-flex;align-items:center;gap:7px;border:1px solid rgba(101,239,255,.25);background:rgba(101,239,255,.075);color:var(--cyan);padding:7px 10px;border-radius:999px;font-weight:850;font-size:12px;letter-spacing:.35px}
.hero h1{font-size:clamp(46px,7vw,84px);line-height:.96;letter-spacing:-4px;margin:18px 0}
.grad{background:linear-gradient(90deg,var(--cyan),#a9b6ff 53%,#e49cff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{font-size:18px;color:var(--muted);max-width:720px}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}
.btn{display:inline-flex;justify-content:center;align-items:center;gap:8px;border:1px solid var(--line);background:rgba(255,255,255,.035);color:var(--text);border-radius:14px;padding:12px 16px;font-weight:850;cursor:pointer;transition:.2s}
.btn:hover{transform:translateY(-2px);border-color:var(--line2);background:rgba(255,255,255,.055)}
.btn.primary{border:0;color:#03111d;background:linear-gradient(120deg,var(--cyan),#93adff);box-shadow:0 13px 32px rgba(101,239,255,.18)}
.btn.good{border-color:rgba(103,242,176,.32);background:rgba(103,242,176,.09);color:var(--green)}
.hero-space{min-height:450px;position:relative;border:1px solid var(--line);border-radius:34px;overflow:hidden;background:radial-gradient(circle at 50% 50%,rgba(66,106,255,.12),transparent 42%),linear-gradient(145deg,rgba(9,27,55,.93),rgba(2,7,17,.98));box-shadow:var(--shadow)}
.big-planet{position:absolute;width:265px;height:265px;border-radius:50%;right:-35px;bottom:-43px;background:radial-gradient(circle at 34% 27%,#cdf7ff 0 5%,#6b9bd0 26%,#284d90 60%,#0a173e 100%);box-shadow:-35px -15px 100px rgba(101,239,255,.23),inset -34px -24px 70px rgba(0,0,0,.38)}
.big-ring{position:absolute;width:410px;height:175px;border:1px solid rgba(101,239,255,.3);border-radius:50%;right:-105px;bottom:50px;transform:rotate(-15deg)}
.comet{position:absolute;left:-80px;top:18%;width:72px;height:2px;background:linear-gradient(90deg,transparent,var(--cyan));filter:drop-shadow(0 0 8px var(--cyan));animation:comet 8s linear infinite}
.comet:after{content:"";position:absolute;right:0;top:-3px;width:8px;height:8px;border-radius:50%;background:#fff;box-shadow:0 0 14px var(--cyan)}
@keyframes comet{0%{transform:translateX(-50px) translateY(0)}60%,100%{transform:translateX(640px) translateY(170px)}}
.spacey-hero{position:absolute;left:8%;top:12%;width:190px;height:255px;animation:spaceyFloat 4.8s ease-in-out infinite}
@keyframes spaceyFloat{50%{transform:translateY(-13px) rotate(1.5deg)}}
.helmet{position:absolute;left:38px;top:0;width:115px;height:108px;border-radius:50% 50% 45% 45%;background:linear-gradient(145deg,#eef8ff,#91a8c7);box-shadow:0 0 35px rgba(101,239,255,.18);border:3px solid rgba(255,255,255,.5)}
.visor{position:absolute;inset:16px 14px 23px;border-radius:45% 45% 50% 50%;background:radial-gradient(circle at 35% 27%,rgba(255,255,255,.45),transparent 18%),linear-gradient(145deg,#153967,#050e21);border:2px solid #70dfff;overflow:hidden}
.visor:after{content:"• ᴗ •";position:absolute;inset:0;display:grid;place-items:center;padding-top:14px;color:#dcfbff;font:900 22px monospace;text-shadow:0 0 10px var(--cyan)}
.antenna{position:absolute;width:4px;height:28px;background:#b8cbe2;left:147px;top:-11px;transform:rotate(24deg);transform-origin:bottom}.antenna:after{content:"";position:absolute;top:-8px;left:-4px;width:11px;height:11px;border-radius:50%;background:var(--pink);box-shadow:0 0 13px var(--pink)}
.body-suit{position:absolute;left:42px;top:92px;width:108px;height:124px;border-radius:34px 34px 25px 25px;background:linear-gradient(145deg,#eaf6ff,#9fb6d4);border:3px solid rgba(255,255,255,.4)}
.chest{position:absolute;left:18px;right:18px;top:31px;height:43px;border-radius:10px;background:#152a49;border:2px solid #5e789a}
.chest:before{content:"SPACEY";position:absolute;left:8px;top:6px;font-size:8px;font-weight:900;color:var(--cyan);letter-spacing:1px}.chest:after{content:"•••";position:absolute;right:8px;bottom:4px;color:var(--pink);letter-spacing:3px}
.arm{position:absolute;width:32px;height:99px;border-radius:18px;background:#b7cae0;top:103px}.arm.l{left:18px;transform:rotate(18deg)}.arm.r{right:15px;transform:rotate(-25deg);transform-origin:top}
.leg{position:absolute;width:37px;height:82px;border-radius:0 0 20px 20px;background:#aabfd8;top:193px}.leg.l{left:50px;transform:rotate(5deg)}.leg.r{left:104px;transform:rotate(-5deg)}
.spacey-speech{position:absolute;left:47%;top:15%;max-width:255px;padding:15px 16px;border-radius:18px 18px 18px 4px;border:1px solid rgba(101,239,255,.25);background:rgba(7,20,42,.9);backdrop-filter:blur(12px);box-shadow:0 14px 38px rgba(0,0,0,.26)}
.spacey-speech b{display:block;color:var(--cyan);margin-bottom:3px}.spacey-speech span{color:#c4d2e4;font-size:13px}
.hero-metrics{position:absolute;left:20px;right:20px;bottom:20px;display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.metric{padding:12px;border-radius:13px;border:1px solid var(--line);background:rgba(2,8,20,.7);backdrop-filter:blur(10px)}.metric b{font-size:21px;display:block}.metric span{font-size:11px;color:var(--muted)}
.section{padding:48px 0}.section-title{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:20px}.section-title h2{font-size:32px;margin:0}.section-title p{color:var(--muted);margin:5px 0 0}
.panel{border:1px solid var(--line);border-radius:22px;background:linear-gradient(145deg,rgba(10,26,52,.85),rgba(5,14,31,.9));box-shadow:0 18px 55px rgba(0,0,0,.2);padding:18px}
.panel h3,.panel h4{margin-top:0}
.feature{display:grid;grid-template-columns:.8fr 1.2fr;gap:16px}
.missions{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.mission{position:relative;min-height:282px;padding:20px 20px 74px;border:1px solid var(--line);border-radius:22px;background:linear-gradient(145deg,rgba(12,30,58,.8),rgba(5,14,29,.92));overflow:hidden;transition:.22s}
.mission:hover{transform:translateY(-5px);border-color:rgba(101,239,255,.34);box-shadow:0 22px 60px rgba(0,0,0,.25)}
.mission .num{position:absolute;right:12px;top:-10px;font-size:78px;font-weight:950;color:rgba(255,255,255,.045)}
.mission h3{font-size:20px;line-height:1.2;margin:13px 0 8px;max-width:84%}.mission p{margin:0;color:var(--muted)}.mission .btn{position:absolute;bottom:18px;left:20px;right:20px}
.tagrow{display:flex;gap:7px;flex-wrap:wrap;margin:12px 0}.tag{font-size:11px;border:1px solid var(--line);border-radius:999px;padding:5px 8px;color:#bfd0e4}
.story-grid{display:grid;grid-template-columns:.86fr 1.14fr;gap:16px}
.story-card{padding:25px;border:1px solid var(--line);border-radius:26px;background:linear-gradient(150deg,rgba(28,29,80,.52),rgba(5,17,39,.94));position:relative;overflow:hidden}
.story-card h3{font-size:27px;margin:10px 0}.story-card p{color:#b5c6da}
.chat-sim{min-height:430px;border:1px solid var(--line);border-radius:26px;background:radial-gradient(circle at 50% 40%,rgba(86,72,190,.16),transparent 38%),rgba(2,8,19,.83);position:relative;overflow:hidden;padding:18px}
.orbit-stage{height:220px;position:relative;border-bottom:1px dashed rgba(101,239,255,.2);margin-bottom:14px}
.earth-orb,.dest-orb{position:absolute;top:64px;width:72px;height:72px;border-radius:50%}.earth-orb{left:7%;background:radial-gradient(circle at 35% 30%,#bdfaff 0 7%,#33aadd 26%,#1763a1 54%,#102c60 100%);box-shadow:0 0 32px rgba(77,191,255,.3)}.dest-orb{right:7%;background:radial-gradient(circle at 35% 30%,#ffd6a0 0 8%,#c95c3f 40%,#6d252e 100%);box-shadow:0 0 28px rgba(255,133,91,.25)}
.orbit-stage:after{content:"";position:absolute;left:17%;right:17%;top:100px;border-top:1px dashed rgba(255,255,255,.19)}
.msg-dot{position:absolute;top:92px;left:17%;width:17px;height:17px;border-radius:50%;background:#fff;box-shadow:0 0 18px var(--cyan);opacity:0}
.msg-dot.go{opacity:1;animation:messageTravel var(--travel,4s) cubic-bezier(.2,.7,.3,1) forwards}
@keyframes messageTravel{from{left:17%}to{left:81%}}
.planet-label{position:absolute;top:145px;font-weight:850;font-size:12px}.planet-label.earth{left:6%}.planet-label.dest{right:6%}
.chat-controls{display:grid;grid-template-columns:1fr 170px auto;gap:8px}.input,.select{width:100%;border:1px solid var(--line);background:#08162e;color:var(--text);padding:11px 12px;border-radius:12px;outline:none}.input:focus,.select:focus{border-color:rgba(101,239,255,.5)}
.delay-card{margin-top:12px;padding:12px;border-radius:13px;border:1px solid var(--line);background:rgba(255,255,255,.025);display:flex;justify-content:space-between;gap:12px}.delay-card b{color:var(--yellow)}
.what-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.what{padding:16px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.025)}.what .ico{font-size:25px}.what b{display:block;margin:8px 0 3px}.what span{color:var(--muted);font-size:13px}
.mission-hero{padding:54px 0 25px}.crumbs{color:var(--muted);font-size:13px}.mission-hero h1{font-size:clamp(39px,5vw,64px);line-height:1;letter-spacing:-2.5px;margin:15px 0 12px}.mission-hero p{font-size:17px;color:var(--muted);max-width:790px}
.spacey-brief{display:grid;grid-template-columns:90px 1fr;gap:14px;align-items:center;padding:15px 17px;border:1px solid rgba(101,239,255,.21);border-radius:20px;background:rgba(101,239,255,.055);margin-bottom:18px}
.mini-spacey{position:relative;width:76px;height:76px;border-radius:50%;background:linear-gradient(145deg,#e9f7ff,#91a6c7);border:2px solid rgba(255,255,255,.45);display:grid;place-items:center}.mini-spacey:before{content:"• ᴗ •";display:grid;place-items:center;width:56px;height:43px;border-radius:45%;background:#081a35;border:2px solid var(--cyan);color:#d8fbff;font:900 14px monospace}.mini-spacey:after{content:"";position:absolute;width:3px;height:18px;background:#bcd1e5;right:10px;top:-10px;transform:rotate(23deg)}
.spacey-brief b{color:var(--cyan);font-size:16px}.spacey-brief p{margin:3px 0;color:#bfd0e3}
.workbench{display:grid;grid-template-columns:1.32fr .68fr;gap:16px}
.kpis{display:grid;grid-template-columns:repeat(2,1fr);gap:9px}.kpi{padding:12px;border:1px solid var(--line);border-radius:13px;background:rgba(255,255,255,.025)}.kpi span{display:block;color:var(--muted);font-size:11px}.kpi b{font-size:21px}
canvas{width:100%;display:block;border:1px solid var(--line);border-radius:17px;background:#020812}
.range{width:100%;accent-color:var(--cyan)}.field{margin:14px 0}.field label{display:flex;justify-content:space-between;gap:10px;color:var(--muted);font-size:12px;margin-bottom:6px}.muted{color:var(--muted)}.small{font-size:12px;color:var(--muted)}
.log{font:12px/1.6 ui-monospace,SFMono-Regular,Consolas,monospace;max-height:180px;overflow:auto;background:rgba(0,0,0,.22);border:1px solid var(--line);border-radius:12px;padding:10px}.log div{padding:5px 0;border-bottom:1px dashed var(--line)}
.video-section{display:grid;grid-template-columns:1.2fr .8fr;gap:16px;margin:20px 0 52px}.video-wrap{position:relative;aspect-ratio:16/9;border:1px solid var(--line);border-radius:22px;overflow:hidden;background:#000;box-shadow:var(--shadow)}.video-wrap iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.video-copy{padding:20px;border:1px solid var(--line);border-radius:22px;background:var(--panel)}.video-copy h3{margin-top:0}.video-copy p{color:var(--muted)}
.quiz{padding:20px;border:1px solid rgba(178,138,255,.24);border-radius:22px;background:rgba(178,138,255,.055);margin:20px 0 70px}.quiz h3{margin-top:0}.quiz-options{display:grid;gap:8px}.quiz-option{padding:11px 13px;border:1px solid var(--line);border-radius:12px;background:rgba(255,255,255,.025);text-align:left;cursor:pointer}.quiz-option:hover{border-color:var(--line2)}.quiz-option.correct{border-color:rgba(103,242,176,.6);background:rgba(103,242,176,.09);color:var(--green)}.quiz-option.wrong{border-color:rgba(255,101,127,.5);background:rgba(255,101,127,.08)}
.quiz-result{min-height:25px;margin-top:10px;color:var(--muted)}
.control-select{width:100%;border:1px solid var(--line);background:#09182f;color:var(--text);padding:10px 12px;border-radius:12px}
.ai-shell{display:grid;grid-template-columns:1fr 320px;gap:16px}.ai-stage{position:relative;min-height:540px;overflow:hidden;border:1px solid var(--line);border-radius:24px;background:radial-gradient(circle at 50% 55%,rgba(255,97,76,.12),transparent 24%),linear-gradient(180deg,#061024,#020711)}.ai-grid{position:absolute;inset:0;opacity:.22;background-image:linear-gradient(rgba(101,239,255,.14) 1px,transparent 1px),linear-gradient(90deg,rgba(101,239,255,.14) 1px,transparent 1px);background-size:34px 34px;mask-image:radial-gradient(circle at center,#000,transparent 78%)}.ai-core{position:absolute;left:50%;top:49%;transform:translate(-50%,-50%);width:290px;height:290px;border-radius:50%;border:1px solid rgba(101,239,255,.28);display:grid;place-items:center;box-shadow:0 0 100px rgba(101,239,255,.1)}.ai-core:before,.ai-core:after{content:"";position:absolute;border-radius:50%;border:1px dashed rgba(178,138,255,.35);inset:25px;animation:spin 15s linear infinite}.ai-core:after{inset:58px;animation-direction:reverse;animation-duration:9s}@keyframes spin{to{transform:rotate(360deg)}}.flame-orb{width:118px;height:118px;border-radius:44% 56% 48% 52%;background:radial-gradient(circle at 50% 60%,#fff7a8 0 13%,#ffb052 25%,#ff5c65 52%,rgba(255,64,96,.08) 72%);filter:drop-shadow(0 0 28px rgba(255,97,76,.65));animation:pulse 1.8s ease-in-out infinite,morph 3s ease-in-out infinite}@keyframes pulse{50%{transform:scale(1.1)}}@keyframes morph{50%{border-radius:56% 44% 58% 42%}}.scanline{position:absolute;left:8%;right:8%;height:1px;background:linear-gradient(90deg,transparent,var(--cyan),transparent);box-shadow:0 0 15px var(--cyan);animation:scan 4s linear infinite}@keyframes scan{from{top:14%}to{top:86%}}.ai-label{position:absolute;left:22px;top:20px;color:var(--cyan);font:12px ui-monospace,monospace;letter-spacing:1px}.risk-ring{width:140px;height:140px;border-radius:50%;display:grid;place-items:center;margin:10px auto 20px;background:conic-gradient(var(--cyan) calc(var(--risk)*1%),rgba(255,255,255,.07) 0);position:relative}.risk-ring:after{content:"";position:absolute;inset:12px;background:#0a162b;border-radius:50%}.risk-ring b{position:relative;z-index:1;font-size:28px}.status{padding:11px;border-radius:12px;border:1px solid var(--line);background:rgba(255,255,255,.025);margin-top:9px}.status strong{display:block}
.moonmap{height:470px;position:relative;border:1px solid var(--line);border-radius:20px;background:radial-gradient(circle at 25% 30%,rgba(255,255,255,.13) 0 3%,transparent 3.6%),radial-gradient(circle at 68% 37%,rgba(0,0,0,.31) 0 9%,transparent 9.7%),radial-gradient(circle at 44% 72%,rgba(0,0,0,.26) 0 7%,transparent 7.5%),linear-gradient(135deg,#7d8590,#353c46 62%,#171d25);overflow:hidden}.site{position:absolute;width:20px;height:20px;border-radius:50%;transform:translate(-50%,-50%);border:3px solid white;background:var(--cyan);box-shadow:0 0 0 8px rgba(101,239,255,.15);cursor:pointer}.site.on{background:var(--green);box-shadow:0 0 0 10px rgba(103,242,176,.17)}
.crop{padding:12px;border:1px solid var(--line);border-radius:13px;display:flex;justify-content:space-between;gap:12px;margin-bottom:8px}.crop b:last-child{color:var(--green)}
.sarbox{height:450px;position:relative;overflow:hidden;border:1px solid var(--line);border-radius:20px;background:#10273f}.sar-a,.sar-b{position:absolute;inset:0}.sar-a{background:repeating-radial-gradient(ellipse at 45% 55%,#13273a 0 9px,#587786 10px 12px,#1f394b 13px 20px)}.sar-b{background:repeating-radial-gradient(ellipse at 49% 52%,rgba(255,97,97,.58) 0 7px,rgba(65,183,255,.52) 8px 10px,transparent 11px 18px);mix-blend-mode:screen;clip-path:inset(0 50% 0 0)}.divider{position:absolute;top:0;bottom:0;left:50%;width:2px;background:#fff;box-shadow:0 0 12px #fff}
.calendar{display:grid;grid-template-columns:repeat(7,1fr);gap:6px}.day{aspect-ratio:1;border:1px solid var(--line);border-radius:9px;background:rgba(255,255,255,.02);color:var(--text);cursor:pointer}.day.hot1{background:rgba(255,219,114,.1)}.day.hot2{background:rgba(255,156,101,.16)}.day.hot3{background:rgba(255,101,127,.22)}
.mascot-float{position:fixed;right:18px;bottom:18px;z-index:80;display:flex;align-items:flex-end;gap:10px}.mascot-btn{width:66px;height:66px;border-radius:50%;border:1px solid rgba(101,239,255,.3);background:linear-gradient(145deg,#eefaff,#9aaeca);box-shadow:0 12px 35px rgba(0,0,0,.42),0 0 25px rgba(101,239,255,.13);cursor:pointer;position:relative}.mascot-btn:before{content:"• ᴗ •";position:absolute;inset:12px 9px 16px;border-radius:44%;display:grid;place-items:center;background:#081a35;border:2px solid var(--cyan);color:#dffcff;font:900 12px monospace}.mascot-bubble{max-width:280px;padding:12px 14px;border-radius:16px 16px 5px 16px;border:1px solid rgba(101,239,255,.25);background:rgba(5,16,35,.94);box-shadow:0 14px 40px rgba(0,0,0,.35);display:none}.mascot-bubble.show{display:block}.mascot-bubble b{display:block;color:var(--cyan)}.mascot-bubble span{color:#bfd0e1;font-size:12px}
.welcome{position:fixed;inset:0;z-index:100;background:rgba(0,3,10,.74);backdrop-filter:blur(12px);display:grid;place-items:center;padding:20px}.welcome.hide{display:none}.welcome-card{width:min(650px,100%);padding:28px;border:1px solid rgba(101,239,255,.27);border-radius:28px;background:linear-gradient(145deg,#0b2144,#061329);box-shadow:0 40px 120px rgba(0,0,0,.55);text-align:center}.welcome-face{width:100px;height:100px;border-radius:50%;margin:0 auto 14px;background:linear-gradient(145deg,#f2fbff,#9eb2ce);border:3px solid rgba(255,255,255,.48);display:grid;place-items:center}.welcome-face:before{content:"• ᴗ •";width:73px;height:55px;border-radius:45%;background:#071b39;border:2px solid var(--cyan);display:grid;place-items:center;color:#e1fcff;font:900 20px monospace}.welcome-card h2{font-size:32px;margin:6px 0}.welcome-card p{color:#bfd0e1}
footer{border-top:1px solid var(--line);padding:30px 0 52px;color:var(--muted);font-size:13px}
@media(max-width:980px){.hero,.feature,.story-grid,.workbench,.video-section,.ai-shell{grid-template-columns:1fr}.missions{grid-template-columns:repeat(2,1fr)}.hero-space{min-height:390px}.what-grid{grid-template-columns:1fr}.ai-stage{min-height:470px}.chat-controls{grid-template-columns:1fr 1fr}.chat-controls .btn{grid-column:1/-1}}
@media(max-width:650px){.wrap{width:min(100% - 24px,1180px)}.navlinks a:not(.keep),.progress-chip span{display:none}.hero{padding-top:43px}.hero h1{letter-spacing:-2.7px}.missions{grid-template-columns:1fr}.hero-space{min-height:390px}.spacey-hero{left:2%;transform:scale(.82);transform-origin:top left}.spacey-speech{left:43%;right:12px;max-width:none}.hero-metrics{grid-template-columns:1fr}.hero-metrics .metric:nth-child(n+2){display:none}.section{padding:36px 0}.section-title{align-items:flex-start;flex-direction:column}.mission-hero{padding-top:38px}.kpis{grid-template-columns:1fr 1fr}.chat-controls{grid-template-columns:1fr}.video-copy{padding:16px}.mascot-float{right:10px;bottom:10px}.mascot-bubble{max-width:220px}}

/* ===== V4 CHAPTER MENU / LOCK SYSTEM ===== */
.chapter-home{padding:58px 0 76px}
.chapter-home-head{text-align:center;max-width:760px;margin:0 auto 30px}
.chapter-home-head h1{font-size:clamp(38px,6vw,68px);letter-spacing:-3px;line-height:1;margin:14px 0 12px}
.chapter-home-head p{color:var(--muted);font-size:17px}
.chapter-progress{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin:20px 0 30px}
.chapter-menu{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;max-width:1180px;margin:0 auto}
.chapter-card{position:relative;min-height:230px;padding:22px;border:1px solid var(--line);border-radius:24px;background:linear-gradient(145deg,rgba(10,27,54,.88),rgba(4,13,28,.95));overflow:hidden;transition:.22s}
.chapter-card:not(.locked):hover{transform:translateY(-4px);border-color:rgba(101,239,255,.36);box-shadow:0 20px 60px rgba(0,0,0,.24)}
.chapter-card .chapter-no{position:absolute;right:15px;top:-15px;font-size:88px;font-weight:950;color:rgba(255,255,255,.04);line-height:1}
.chapter-card h2{font-size:23px;margin:14px 0 8px;max-width:80%;line-height:1.15}
.chapter-card p{color:var(--muted);margin:0 0 18px;max-width:88%}
.chapter-card .chapter-footer{position:absolute;left:22px;right:22px;bottom:20px;display:flex;align-items:center;justify-content:space-between;gap:10px}
.chapter-state{font-size:12px;font-weight:850;color:var(--cyan)}
.chapter-card.completed{border-color:rgba(103,242,176,.34);background:linear-gradient(145deg,rgba(10,45,50,.72),rgba(4,18,28,.95))}
.chapter-card.completed .chapter-state{color:var(--green)}
.chapter-card.skipped{border-color:rgba(255,219,114,.25)}
.chapter-card.skipped .chapter-state{color:var(--yellow)}
.chapter-card.locked{opacity:.53;filter:saturate(.55)}
.chapter-card.locked:after{content:"";position:absolute;inset:0;pointer-events:none}
.chapter-card.locked .btn{cursor:not-allowed}
.home-spacey{display:flex;align-items:center;gap:14px;max-width:620px;margin:0 auto 26px;padding:14px 16px;border:1px solid rgba(101,239,255,.22);border-radius:20px;background:rgba(101,239,255,.055);text-align:left}
.home-spacey .mini-spacey{flex:0 0 76px}
.home-spacey b{display:block;color:var(--cyan)}
.home-spacey span{color:var(--muted);font-size:13px}
.chapter-actions{display:flex;justify-content:center;margin-top:22px}
.skip-strip{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;padding:14px 16px;border:1px solid rgba(255,219,114,.20);border-radius:17px;background:rgba(255,219,114,.045);margin:0 0 18px}
.skip-strip span{color:var(--muted);font-size:13px}
.skip-strip .skip-btn{border-color:rgba(255,219,114,.27);color:var(--yellow)}
.spacey-modal{position:fixed;inset:0;z-index:120;display:grid;place-items:center;padding:20px;background:rgba(0,3,10,.76);backdrop-filter:blur(12px)}
.spacey-modal-card{width:min(570px,100%);padding:28px;text-align:center;border:1px solid rgba(101,239,255,.27);border-radius:28px;background:linear-gradient(145deg,#0b2144,#061329);box-shadow:0 40px 120px rgba(0,0,0,.6)}
.spacey-modal-card h2{font-size:30px;margin:10px 0}
.spacey-modal-card p{color:#bfd0e1}
@media(max-width:720px){
  .chapter-menu{grid-template-columns:1fr}
  .chapter-home{padding-top:38px}
  .chapter-home-head h1{letter-spacing:-2px}
  .chapter-card{min-height:245px}
  .home-spacey{align-items:flex-start}
}

/* ===== V5 MOBILE + 10 QUESTION QUIZ ===== */
.quiz{padding:22px;border:1px solid rgba(178,138,255,.26);border-radius:24px;background:linear-gradient(145deg,rgba(39,30,83,.28),rgba(6,15,35,.92));margin:22px 0 70px;scroll-margin-top:88px}
.quiz-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px}
.quiz-head h3{font-size:25px;margin:9px 0 3px}.quiz-head p{margin:0;color:var(--muted)}
.quiz-score{flex:0 0 auto;min-width:92px;padding:10px 12px;border:1px solid var(--line);border-radius:14px;text-align:center;background:rgba(255,255,255,.025)}
.quiz-score span{display:block;color:var(--muted);font-size:11px}.quiz-score b{font-size:22px}
.quiz-progress{height:9px;margin:17px 0 7px;border-radius:999px;background:rgba(255,255,255,.07);overflow:hidden}
.quiz-progress i{display:block;width:10%;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--cyan),var(--violet));transition:width .25s}
.quiz-meta{display:flex;justify-content:space-between;gap:12px;color:var(--muted);font-size:12px;margin-bottom:12px}
.quiz-question-card{padding:18px;border:1px solid var(--line);border-radius:18px;background:rgba(2,8,20,.44)}
.quiz-question-card h4{font-size:20px;line-height:1.38;margin:0 0 15px}
.quiz-options{display:grid;gap:9px}
.quiz-option{width:100%;min-height:54px;display:flex;align-items:center;gap:11px;padding:11px 13px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.025);color:var(--text);text-align:left;cursor:pointer;transition:.18s}
.quiz-option:hover:not(:disabled){border-color:var(--line2);background:rgba(255,255,255,.05)}
.quiz-option.selected:not(.correct):not(.wrong){border-color:rgba(101,239,255,.55);background:rgba(101,239,255,.075)}
.quiz-option.correct{border-color:rgba(103,242,176,.58);background:rgba(103,242,176,.09);color:#cffff0}
.quiz-option.wrong{border-color:rgba(255,101,127,.55);background:rgba(255,101,127,.08)}
.quiz-option:disabled{cursor:default;opacity:1}
.quiz-letter{flex:0 0 34px;width:34px;height:34px;border-radius:10px;border:1px solid var(--line);display:grid;place-items:center;font-weight:900;color:var(--cyan);background:rgba(101,239,255,.05)}
.quiz-feedback{min-height:45px;margin-top:12px;padding:10px 12px;border-radius:12px;background:rgba(255,255,255,.025);color:#bfd0e3;font-size:13px}
.quiz-nav{display:grid;grid-template-columns:1fr 1.15fr 1fr;gap:8px;margin-top:13px}
.quiz-nav .btn{min-height:46px;padding:10px 12px}.quiz-nav .btn:disabled{opacity:.35;cursor:not-allowed;transform:none}
.quiz-dots{display:grid;grid-template-columns:repeat(10,1fr);gap:6px;margin-top:13px}
.quiz-dot{height:34px;border:1px solid var(--line);border-radius:9px;background:rgba(255,255,255,.025);color:var(--muted);cursor:pointer}
.quiz-dot.active{border-color:var(--cyan);color:var(--cyan);background:rgba(101,239,255,.08)}
.quiz-dot.right{border-color:rgba(103,242,176,.42);color:var(--green)}.quiz-dot.wrong{border-color:rgba(255,101,127,.4);color:var(--red)}
.quiz-result{margin-top:15px}.quiz-final{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:14px;border-radius:14px;border:1px solid var(--line)}
.quiz-final b{font-size:17px}.quiz-final span{color:var(--muted)}.quiz-final.pass{border-color:rgba(103,242,176,.4);background:rgba(103,242,176,.06)}.quiz-final.fail{border-color:rgba(255,219,114,.34);background:rgba(255,219,114,.05)}
/* Prevent mobile overflow and improve touch */
img,iframe,canvas,video{max-width:100%}
.panel,.mission,.chapter-card,.video-copy,.story-card,.chat-sim,.quiz{min-width:0}
input,select,textarea,button{max-width:100%}
@media(max-width:720px){
  body{font-size:14px}
  .topbar .nav{height:62px}.logo{font-size:13px}.logo-mark{width:31px;height:31px}
  .progress-chip{padding:7px 9px}
  .mission-hero{padding:30px 0 18px}.mission-hero h1{font-size:clamp(34px,11vw,48px);letter-spacing:-1.8px}
  .spacey-brief{grid-template-columns:64px 1fr;padding:12px}.mini-spacey{width:58px;height:58px}.mini-spacey:before{width:43px;height:34px;font-size:11px}
  .what-grid{grid-template-columns:1fr}.what{padding:13px}
  .workbench,.video-section,.ai-shell,.feature,.story-grid{display:grid;grid-template-columns:1fr}
  .panel{padding:13px;border-radius:17px}
  .moonmap,.sarbox{height:330px}
  .ai-stage{min-height:380px}.ai-core{width:230px;height:230px}.flame-orb{width:92px;height:92px}
  .video-section{margin-bottom:34px}.video-wrap{border-radius:17px}.video-copy{border-radius:17px}
  .skip-strip{align-items:stretch}.skip-strip .btn{width:100%}
  .quiz{padding:13px;margin-bottom:45px;border-radius:18px}
  .quiz-head{gap:10px}.quiz-head h3{font-size:20px}.quiz-score{min-width:78px;padding:8px}
  .quiz-question-card{padding:13px}.quiz-question-card h4{font-size:18px}
  .quiz-option{min-height:58px;font-size:16px;padding:11px}
  .quiz-letter{flex-basis:36px;width:36px;height:36px}
  .quiz-nav{grid-template-columns:1fr 1fr}
  .quiz-nav #quizSubmit{grid-column:1/-1;grid-row:1}
  .quiz-nav #quizPrev{grid-column:1;grid-row:2}.quiz-nav #quizNext{grid-column:2;grid-row:2}
  .quiz-dots{grid-template-columns:repeat(5,1fr);gap:7px}.quiz-dot{height:38px}
  .spacey-modal-card{padding:20px 15px;border-radius:22px}.spacey-modal-card h2{font-size:25px}
  .mascot-btn{width:58px;height:58px}.mascot-bubble{max-width:205px}
}
@media(max-width:390px){
  .wrap{width:calc(100% - 18px)}
  .chapter-card{padding:17px 17px 74px}.chapter-card .chapter-footer{left:17px;right:17px}
  .chapter-card h2{font-size:20px}
  .quiz-head{display:grid;grid-template-columns:1fr auto}.quiz-head p{grid-column:1/-1}
  .quiz-score{grid-column:2;grid-row:1/3}
  .quiz-meta{font-size:11px}
  .kpis{grid-template-columns:1fr}
  .actions .btn{flex:1 1 100%}
}

/* ===== V6 INTERSTELLAR STORY + SPACE CURSOR ===== */
.bonus-story-link{
  max-width:980px;margin:18px auto 0;display:grid;grid-template-columns:90px 1fr auto;
  align-items:center;gap:16px;padding:18px;border:1px solid rgba(178,138,255,.28);
  border-radius:22px;background:linear-gradient(145deg,rgba(42,27,83,.36),rgba(7,16,36,.92));
}
.bonus-story-link .story-icon{
  width:74px;height:74px;border-radius:50%;display:grid;place-items:center;font-size:36px;
  background:radial-gradient(circle at 38% 30%,#fff 0 5%,#9f8cff 24%,#42276f 58%,#100e2a 100%);
  box-shadow:0 0 30px rgba(178,138,255,.18);
}
.bonus-story-link h2{margin:0 0 4px;font-size:21px}
.bonus-story-link p{margin:0;color:var(--muted)}
.story-page{padding:54px 0 80px}
.story-intro{max-width:880px}
.story-intro h1{font-size:clamp(42px,7vw,78px);line-height:.98;letter-spacing:-3px;margin:15px 0}
.story-intro p{font-size:18px;color:var(--muted);max-width:800px}
.story-chapter{margin-top:28px;display:grid;grid-template-columns:.78fr 1.22fr;gap:18px}
.story-copy,.story-visual,.science-note{
  border:1px solid var(--line);border-radius:24px;background:linear-gradient(145deg,rgba(11,28,58,.82),rgba(4,12,27,.95));
}
.story-copy{padding:24px}
.story-copy h2{font-size:29px;margin:8px 0 12px}
.story-copy h3{font-size:19px;margin:22px 0 8px}
.story-copy p{color:#b9cada}
.story-copy strong{color:var(--text)}
.story-visual{min-height:430px;position:relative;overflow:hidden;padding:18px}
.black-hole{
  position:absolute;left:50%;top:45%;transform:translate(-50%,-50%);
  width:170px;height:170px;border-radius:50%;
  background:radial-gradient(circle,#000 0 47%,#120c2b 52%,#5a2d92 61%,rgba(178,138,255,.12) 70%,transparent 73%);
  box-shadow:0 0 45px rgba(178,138,255,.30),0 0 120px rgba(101,239,255,.10);
}
.black-hole:before{
  content:"";position:absolute;left:-75px;right:-75px;top:76px;height:18px;border-radius:50%;
  border:5px solid rgba(255,193,112,.72);transform:rotate(-12deg);
  box-shadow:0 0 22px rgba(255,156,101,.7);
}
.black-hole:after{
  content:"";position:absolute;inset:-48px;border-radius:50%;border:1px solid rgba(101,239,255,.18);
}
.orbiting-world{
  position:absolute;width:54px;height:54px;border-radius:50%;left:18%;top:22%;
  background:radial-gradient(circle at 35% 30%,#d6fbff 0 5%,#75a7c4 35%,#24384c 70%,#101721 100%);
  box-shadow:0 0 20px rgba(101,239,255,.24);
  animation:worldOrbit 9s linear infinite;
}
@keyframes worldOrbit{
  0%{transform:translate(0,0)}
  25%{transform:translate(310px,35px) scale(.86)}
  50%{transform:translate(450px,175px) scale(.7)}
  75%{transform:translate(170px,260px) scale(.88)}
  100%{transform:translate(0,0)}
}
.time-panels{position:absolute;left:18px;right:18px;bottom:18px;display:grid;grid-template-columns:1fr 1fr;gap:10px}
.time-panel{padding:12px;border:1px solid var(--line);border-radius:14px;background:rgba(2,8,20,.74);backdrop-filter:blur(10px)}
.time-panel span{display:block;color:var(--muted);font-size:11px}.time-panel b{font-size:20px}
.timeline-demo{margin-top:18px;padding:18px;border:1px solid var(--line);border-radius:19px;background:rgba(255,255,255,.025)}
.timeline-track{height:10px;border-radius:999px;background:rgba(255,255,255,.07);overflow:hidden;margin:10px 0 6px}
.timeline-track i{display:block;height:100%;border-radius:inherit}
.timeline-earth{background:linear-gradient(90deg,var(--blue),var(--cyan));width:100%}
.timeline-ship{background:linear-gradient(90deg,var(--violet),var(--pink));width:14%}
.relativity-controls{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:18px}
.relativity-output{margin-top:15px;padding:15px;border-radius:15px;border:1px solid rgba(101,239,255,.22);background:rgba(101,239,255,.045)}
.relativity-output b{display:block;font-size:24px;color:var(--cyan)}
.science-note{padding:20px;margin-top:18px}
.science-note h3{margin:0 0 8px}
.science-note p{color:var(--muted);margin-bottom:0}
.story-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px}
.story-fact{padding:16px;border:1px solid var(--line);border-radius:17px;background:rgba(255,255,255,.025)}
.story-fact b{display:block;margin:8px 0 3px}.story-fact span{color:var(--muted);font-size:13px}
  to{opacity:0;transform:translate(calc(-50% + var(--dx)),calc(-50% + var(--dy))) scale(.15)}
}
@media(max-width:820px){
  .story-chapter{grid-template-columns:1fr}
  .story-visual{min-height:390px}
  .story-facts{grid-template-columns:1fr}
  .bonus-story-link{grid-template-columns:68px 1fr}
  .bonus-story-link .btn{grid-column:1/-1;width:100%}
  .bonus-story-link .story-icon{width:58px;height:58px;font-size:28px}
}
@media(max-width:520px){
  .story-page{padding-top:34px}
  .story-intro h1{font-size:clamp(38px,12vw,52px);letter-spacing:-2px}
  .story-copy{padding:17px}.story-copy h2{font-size:24px}
  .story-visual{min-height:350px}
  .black-hole{width:135px;height:135px}.black-hole:before{top:60px}
  .orbiting-world{width:44px;height:44px}
  .time-panels{grid-template-columns:1fr}
  .relativity-controls{grid-template-columns:1fr}
}
@media(hover:none),(pointer:coarse){
  .space-cursor-comet{display:none}
}

/* ===== V7 SPACE SUPERSTITIONS BONUS STORY ===== */
.superstition-hero{
  display:grid;grid-template-columns:1.02fr .98fr;gap:22px;align-items:center;margin-top:22px
}
.ritual-orbit{
  min-height:390px;position:relative;border:1px solid var(--line);border-radius:28px;overflow:hidden;
  background:radial-gradient(circle at 50% 48%,rgba(101,239,255,.10),transparent 28%),linear-gradient(145deg,#081a38,#020712)
}
.ritual-orbit:before,.ritual-orbit:after{
  content:"";position:absolute;border:1px solid rgba(101,239,255,.16);border-radius:50%;left:50%;top:50%;
  transform:translate(-50%,-50%) rotate(-12deg)
}
.ritual-orbit:before{width:310px;height:150px}.ritual-orbit:after{width:420px;height:215px;transform:translate(-50%,-50%) rotate(18deg)}
.ritual-center{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:120px;height:120px;border-radius:50%;
  display:grid;place-items:center;font-size:52px;background:radial-gradient(circle at 38% 30%,#fff 0 5%,#9acbff 22%,#4767b9 52%,#162454 100%);
  box-shadow:0 0 44px rgba(101,239,255,.20);z-index:2
}
.ritual-token{
  position:absolute;width:58px;height:58px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;
  background:rgba(8,23,49,.94);font-size:28px;box-shadow:0 12px 30px rgba(0,0,0,.25);z-index:3;
  animation:ritualBob 4s ease-in-out infinite
}
.ritual-token:nth-of-type(2){left:13%;top:20%}.ritual-token:nth-of-type(3){right:13%;top:18%;animation-delay:.6s}
.ritual-token:nth-of-type(4){left:15%;bottom:18%;animation-delay:1.2s}.ritual-token:nth-of-type(5){right:15%;bottom:16%;animation-delay:1.8s}
@keyframes ritualBob{50%{transform:translateY(-8px)}}
.ritual-caption{
  position:absolute;left:18px;right:18px;bottom:17px;padding:11px 13px;border:1px solid var(--line);border-radius:14px;
  background:rgba(2,8,20,.72);color:var(--muted);font-size:12px;z-index:5;text-align:center
}
.ritual-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px}
.ritual-card{
  padding:17px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.025);cursor:pointer;transition:.18s
}
.ritual-card:hover,.ritual-card.active{border-color:rgba(101,239,255,.38);background:rgba(101,239,255,.055)}
.ritual-card .ritual-emoji{font-size:30px}.ritual-card b{display:block;margin:7px 0 3px}.ritual-card span{color:var(--muted);font-size:12px}
.ritual-reader{
  margin-top:14px;padding:18px;border:1px solid rgba(178,138,255,.25);border-radius:20px;background:rgba(178,138,255,.05)
}
.ritual-reader h3{margin:0 0 8px}.ritual-reader p{margin:0;color:#bfd0e2}
.truth-strip{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:18px}
.truth-box{padding:17px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.025)}
.truth-box b{display:block;margin-bottom:5px}.truth-box span{color:var(--muted);font-size:13px}
.luck-meter{
  margin-top:18px;padding:18px;border:1px solid var(--line);border-radius:20px;background:rgba(255,255,255,.025)
}
.luck-bar{height:12px;border-radius:999px;background:rgba(255,255,255,.07);overflow:hidden;margin:10px 0}
.luck-bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--yellow),var(--cyan));border-radius:inherit;transition:.35s}
.luck-result{color:var(--muted)}
@media(max-width:900px){
  .superstition-hero{grid-template-columns:1fr}
  .ritual-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:560px){
  .ritual-orbit{min-height:340px}
  .ritual-grid{grid-template-columns:1fr}
  .truth-strip{grid-template-columns:1fr}
  .ritual-card{min-height:88px}
}

/* ===== V8 HOME LAYOUT ===== */
.chapter-menu{
  grid-template-columns:repeat(3,minmax(0,1fr)) !important;
  max-width:1180px !important;
}
.bonus-stories-section{
  max-width:1180px;
  margin:64px auto 0;
  padding-top:38px;
  border-top:1px solid var(--line);
}
.bonus-stories-heading{
  margin-bottom:18px;
}
.bonus-stories-heading h2{
  margin:8px 0 4px;
  font-size:30px;
}
.bonus-stories-heading p{
  margin:0;
  color:var(--muted);
}
.bonus-stories-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:18px;
}
.bonus-stories-section .bonus-story-link{
  margin:0;
  max-width:none;
  width:100%;
}
@media(max-width:980px){
  .chapter-menu{
    grid-template-columns:repeat(2,minmax(0,1fr)) !important;
  }
}
@media(max-width:650px){
  .chapter-menu{
    grid-template-columns:1fr !important;
  }
  .bonus-stories-section{
    margin-top:46px;
    padding-top:28px;
  }
  .bonus-stories-heading h2{
    font-size:25px;
  }
}

/* ===== V10 COMET HYAKUTAKE CURSOR ===== */
/*
  Visual inspiration: Comet Hyakutake (C/1996 B2)
  - cyan / turquoise coma
  - narrow blue ion tail
  - softer pale dust tail
  The tail direction is rotated by JavaScript opposite the pointer's travel.
*/
.space-cursor-comet{
  position:fixed;
  width:28px;
  height:28px;
  border-radius:50%;
  pointer-events:none;
  z-index:2;
  opacity:0;
  transform:translate(-50%,-50%) rotate(-12deg);
  transition:opacity .16s;
  background:
    radial-gradient(circle at 40% 38%,
      #ffffff 0 8%,
      #dfffff 9% 18%,
      #8dfff1 20% 34%,
      rgba(67,236,211,.78) 36% 50%,
      rgba(27,170,183,.30) 54% 68%,
      transparent 72%);
  filter:
    drop-shadow(0 0 8px rgba(221,255,255,.92))
    drop-shadow(0 0 18px rgba(77,255,225,.55));
  will-change:left,top,transform;
}

/* Hyakutake's long, thin blue ion tail */
.space-cursor-comet:before{
  content:"";
  position:absolute;
  right:11px;
  top:10px;
  width:178px;
  height:7px;
  border-radius:999px;
  transform-origin:right center;
  background:
    linear-gradient(90deg,
      transparent 0%,
      rgba(76,138,255,.05) 10%,
      rgba(74,170,255,.16) 24%,
      rgba(65,203,255,.34) 43%,
      rgba(83,225,255,.62) 63%,
      rgba(154,251,255,.80) 79%,
      rgba(232,255,255,.82) 100%);
  filter:blur(1.35px);
  box-shadow:0 0 10px rgba(73,205,255,.32);
}

/* Fainter, broader dust tail */
.space-cursor-comet:after{
  content:"";
  position:absolute;
  right:10px;
  top:11px;
  width:112px;
  height:18px;
  border-radius:999px;
  transform-origin:right center;
  transform:rotate(7deg);
  background:
    linear-gradient(90deg,
      transparent 0%,
      rgba(220,255,248,.04) 12%,
      rgba(199,255,244,.10) 30%,
      rgba(185,255,238,.20) 52%,
      rgba(218,255,248,.38) 76%,
      rgba(250,255,255,.56) 100%);
  filter:blur(3.2px);
}

.space-particle{
  position:fixed;
  pointer-events:none;
  z-index:1;
  width:5px;
  height:5px;
  border-radius:50%;
  background:#b7fff3;
  box-shadow:
    0 0 7px rgba(81,255,225,.82),
    0 0 14px rgba(69,184,255,.38);
  animation:hyakutakeParticle .82s ease-out forwards;
}
@keyframes hyakutakeParticle{
  from{
    opacity:.92;
    transform:translate(-50%,-50%) scale(1);
  }
  to{
    opacity:0;
    transform:translate(calc(-50% + var(--dx)),calc(-50% + var(--dy))) scale(.08);
  }
}
@media(hover:none),(pointer:coarse){
  .space-cursor-comet{display:none}
}

/* ===== V10 SPACEY INTERACTIVE GUIDE ===== */
.mascot-float{
  align-items:flex-end;
}
.mascot-bubble{
  display:none !important;
}
.spacey-chat{
  position:fixed;
  right:18px;
  bottom:96px;
  z-index:90;
  width:min(390px,calc(100vw - 28px));
  max-height:min(620px,calc(100vh - 125px));
  display:none;
  flex-direction:column;
  overflow:hidden;
  border:1px solid rgba(101,239,255,.29);
  border-radius:22px;
  background:linear-gradient(155deg,rgba(9,29,57,.98),rgba(3,11,27,.985));
  box-shadow:0 28px 85px rgba(0,0,0,.55),0 0 32px rgba(101,239,255,.08);
  backdrop-filter:blur(20px);
}
.spacey-chat.open{display:flex}
.spacey-chat-head{
  display:flex;
  align-items:center;
  gap:11px;
  padding:13px 14px;
  border-bottom:1px solid var(--line);
  background:rgba(101,239,255,.035);
}
.spacey-chat-face{
  position:relative;
  flex:0 0 46px;
  width:46px;
  height:46px;
  border-radius:50%;
  background:linear-gradient(145deg,#effaff,#9db1cc);
  border:2px solid rgba(255,255,255,.46);
  display:grid;
  place-items:center;
}
.spacey-chat-face:before{
  content:"• ᴗ •";
  width:34px;
  height:27px;
  display:grid;
  place-items:center;
  border-radius:45%;
  background:#071a37;
  border:1.5px solid var(--cyan);
  color:#dffcff;
  font:900 9px monospace;
}
.spacey-chat-title{min-width:0;flex:1}
.spacey-chat-title b{display:block;color:var(--cyan)}
.spacey-chat-title span{display:block;color:var(--muted);font-size:11px}
.spacey-chat-close{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  background:rgba(255,255,255,.035);cursor:pointer;font-size:20px;
}
.spacey-chat-body{
  padding:14px;
  overflow:auto;
  overscroll-behavior:contain;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.spacey-message{
  max-width:88%;
  padding:10px 12px;
  border-radius:15px 15px 15px 4px;
  background:rgba(101,239,255,.075);
  border:1px solid rgba(101,239,255,.15);
  color:#d9e9f7;
  font-size:13px;
}
.spacey-user-message{
  align-self:flex-end;
  border-radius:15px 15px 4px 15px;
  background:rgba(178,138,255,.10);
  border-color:rgba(178,138,255,.20);
}
.spacey-name-form{
  display:grid;
  grid-template-columns:1fr auto;
  gap:8px;
}
.spacey-name-input{
  min-width:0;
  width:100%;
  border:1px solid var(--line);
  border-radius:12px;
  background:#07162e;
  color:var(--text);
  padding:11px 12px;
  outline:none;
  font-size:16px;
}
.spacey-name-input:focus{border-color:rgba(101,239,255,.55)}
.spacey-question-label{
  margin:3px 0 0;
  color:var(--muted);
  font-size:11px;
  text-transform:uppercase;
  letter-spacing:.8px;
  font-weight:850;
}
.spacey-question-list{
  display:grid;
  gap:7px;
}
.spacey-question{
  min-height:44px;
  padding:9px 11px;
  border:1px solid var(--line);
  border-radius:12px;
  background:rgba(255,255,255,.028);
  color:#dce9f6;
  text-align:left;
  cursor:pointer;
  font-size:13px;
}
.spacey-question:hover{
  border-color:rgba(101,239,255,.33);
  background:rgba(101,239,255,.055);
}
.spacey-chat-reset{
  margin-top:3px;
  border:0;
  background:transparent;
  color:var(--muted);
  cursor:pointer;
  text-align:left;
  padding:6px 2px;
  font-size:11px;
}
.spacey-chat-reset:hover{color:var(--cyan)}
.mascot-btn{
  transition:transform .2s,box-shadow .2s;
}
.mascot-btn:hover{
  transform:translateY(-3px) rotate(-3deg);
  box-shadow:0 16px 40px rgba(0,0,0,.45),0 0 31px rgba(101,239,255,.20);
}
@media(max-width:650px){
  .spacey-chat{
    right:10px;
    bottom:80px;
    width:calc(100vw - 20px);
    max-height:calc(100vh - 100px);
    border-radius:18px;
  }
  .spacey-chat-body{padding:11px}
  .spacey-message{max-width:94%}
  .spacey-name-form{grid-template-columns:1fr}
  .spacey-name-form .btn{width:100%}
}

/* ===== V10.2 SPACEY Q&A VIEW ===== */
.spacey-chat,
.spacey-chat *:not(input):not(textarea){
  caret-color:transparent;
}
.spacey-name-input{
  caret-color:auto;
}
.spacey-current-qa{
  display:none;
  border:1px solid rgba(101,239,255,.24);
  border-radius:16px;
  background:linear-gradient(145deg,rgba(101,239,255,.07),rgba(178,138,255,.055));
  padding:13px;
}
.spacey-current-qa.show{
  display:block;
}
.spacey-current-q{
  color:var(--cyan);
  font-weight:850;
  line-height:1.4;
  margin-bottom:8px;
}
.spacey-current-a{
  color:#d9e7f5;
  line-height:1.6;
  font-size:13px;
}
.spacey-question-list{
  max-height:255px;
  overflow:auto;
  padding-right:2px;
  scrollbar-width:thin;
  scrollbar-color:rgba(101,239,255,.28) transparent;
}
.spacey-question{
  user-select:none;
  -webkit-user-select:none;
}
.spacey-question.active{
  border-color:rgba(101,239,255,.46);
  background:rgba(101,239,255,.085);
  color:#effdff;
}
.spacey-question:focus{
  outline:none;
}
.spacey-question:focus-visible{
  box-shadow:0 0 0 2px rgba(101,239,255,.22);
}
.spacey-chat-body{
  scroll-behavior:smooth;
}
@media(max-width:650px){
  .spacey-question-list{
    max-height:220px;
  }
  .spacey-current-a{
    font-size:13px;
  }
}

/* ===== V11 MUSIC PLAYER + TROLL CHANGE-MUSIC BUTTON ===== */
.spacey-music-player{
  position:fixed;
  left:16px;
  bottom:16px;
  z-index:88;
  display:flex;
  align-items:center;
  gap:8px;
  padding:9px;
  border:1px solid rgba(101,239,255,.22);
  border-radius:18px;
  background:rgba(3,13,31,.90);
  box-shadow:0 16px 42px rgba(0,0,0,.38);
  backdrop-filter:blur(16px);
}
.spacey-music-now{
  display:flex;
  align-items:center;
  gap:8px;
  min-width:0;
}
.spacey-music-disc{
  width:34px;
  height:34px;
  flex:0 0 34px;
  border-radius:50%;
  display:grid;
  place-items:center;
  background:radial-gradient(circle,#07162e 0 19%,var(--cyan) 20% 26%,#132d4f 27% 55%,#07162e 56%);
  border:1px solid rgba(101,239,255,.20);
  font-size:13px;
}
.spacey-music-player.playing .spacey-music-disc{
  animation:spaceyDiscSpin 3.4s linear infinite;
}
@keyframes spaceyDiscSpin{to{transform:rotate(360deg)}}
.spacey-music-copy{
  width:105px;
  min-width:0;
}
.spacey-music-copy b{
  display:block;
  font-size:11px;
  color:#e9f7ff;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.spacey-music-copy span{
  display:block;
  margin-top:1px;
  font-size:9px;
  color:var(--muted);
}
.spacey-music-action{
  min-height:38px;
  border:1px solid var(--line);
  border-radius:11px;
  padding:8px 10px;
  background:rgba(255,255,255,.035);
  color:var(--text);
  font-weight:800;
  cursor:pointer;
  white-space:nowrap;
  user-select:none;
  -webkit-user-select:none;
  caret-color:transparent;
}
.spacey-music-action:hover{
  border-color:rgba(101,239,255,.36);
  background:rgba(101,239,255,.06);
}
.spacey-music-action.primary{
  color:#04121d;
  background:var(--cyan);
  border-color:transparent;
}
.spacey-troll-sign{
  width:88px;
  height:88px;
  margin:0 auto 12px;
  border-radius:50%;
  display:grid;
  place-items:center;
  font-size:51px;
  background:radial-gradient(circle at 50% 35%,#f7ffff,#b9eeef 40%,#547686 76%,#152535);
  border:2px solid rgba(255,255,255,.45);
  box-shadow:0 0 32px rgba(101,239,255,.14);
}
.spacey-troll-sub{
  color:var(--muted);
  font-size:13px;
  margin-top:-2px;
}
@media(max-width:700px){
  .spacey-music-player{
    left:9px;
    bottom:9px;
    padding:7px;
    gap:6px;
    max-width:calc(100vw - 88px);
  }
  .spacey-music-copy{
    display:none;
  }
  .spacey-music-action{
    padding:8px 9px;
    min-height:42px;
  }
  .spacey-music-disc{
    width:38px;
    height:38px;
    flex-basis:38px;
  }
}
@media(prefers-reduced-motion:reduce){
  .spacey-music-player.playing .spacey-music-disc{animation:none}
}

/* ===== V12 MOVABLE MUSIC PLAYER + SINGING SPACEY ===== */
.spacey-music-player{
  touch-action:none;
  cursor:grab;
  user-select:none;
  -webkit-user-select:none;
  caret-color:transparent;
}
.spacey-music-player.dragging{
  cursor:grabbing;
  transition:none !important;
}
.spacey-music-player *,
.spacey-music-player button,
.spacey-music-player span,
.spacey-music-player b{
  user-select:none;
  -webkit-user-select:none;
  caret-color:transparent;
}
.spacey-music-drag-hint{
  display:block;
  font-size:8px;
  color:var(--muted);
  opacity:.72;
  margin-top:1px;
}
.spacey-music-face{
  position:relative;
  width:38px;
  height:38px;
  flex:0 0 38px;
  border-radius:50%;
  display:grid;
  place-items:center;
  background:radial-gradient(circle at 35% 25%,#fff,#cfe2f3 47%,#7891ae 100%);
  border:1.5px solid rgba(101,239,255,.72);
  box-shadow:0 0 13px rgba(101,239,255,.16);
  overflow:hidden;
}
.spacey-music-face:before{
  content:"";
  position:absolute;
  width:29px;
  height:21px;
  left:50%;
  top:50%;
  transform:translate(-50%,-48%);
  border-radius:10px;
  background:#061a36;
  border:1px solid rgba(101,239,255,.82);
}
.spacey-music-eye{
  position:absolute;
  top:14px;
  width:3.5px;
  height:3.5px;
  border-radius:50%;
  background:#dffcff;
  z-index:2;
  transition:.18s;
}
.spacey-music-eye.left{left:12px}
.spacey-music-eye.right{right:12px}
.spacey-music-mouth{
  position:absolute;
  left:50%;
  top:24px;
  z-index:3;
  width:9px;
  height:4px;
  transform:translateX(-50%);
  border-bottom:2px solid #dffcff;
  border-radius:0 0 10px 10px;
  transition:.16s;
}
.spacey-music-player.playing .spacey-music-face{
  animation:spaceySingerBob .55s ease-in-out infinite alternate;
}
.spacey-music-player.playing .spacey-music-eye{
  height:2px;
  border-radius:50%;
}
.spacey-music-player.playing .spacey-music-mouth{
  top:22px;
  width:10px;
  height:11px;
  border:2px solid #dffcff;
  background:#ff96bd;
  border-radius:50%;
  animation:spaceyMouthSing .42s ease-in-out infinite alternate;
}
@keyframes spaceySingerBob{
  from{transform:translateY(0) rotate(-2deg)}
  to{transform:translateY(-2px) rotate(2deg)}
}
@keyframes spaceyMouthSing{
  from{transform:translateX(-50%) scaleY(.62)}
  to{transform:translateX(-50%) scaleY(1.12)}
}

/* Bottom-right Spacey also sings while audio plays */
body.spacey-music-playing .mascot-btn:after{
  content:"";
  position:absolute;
  left:50%;
  top:56%;
  width:11px;
  height:12px;
  transform:translate(-50%,-50%);
  border-radius:50%;
  background:#ff96bd;
  border:2px solid #eaffff;
  z-index:6;
  animation:spaceyMascotSing .42s ease-in-out infinite alternate;
}
body.spacey-music-playing .mascot-btn{
  animation:spaceyMascotBob .55s ease-in-out infinite alternate;
}
@keyframes spaceyMascotSing{
  from{height:6px}
  to{height:13px}
}
@keyframes spaceyMascotBob{
  from{transform:translateY(0)}
  to{transform:translateY(-3px)}
}

/* Remove old disc animation if inherited */
.spacey-music-player.playing .spacey-music-disc{
  animation:none !important;
}

/* Troll popup is now text-only: no troll sign graphic */
.spacey-troll-sign{
  display:none !important;
}
@media(max-width:700px){
  .spacey-music-player{
    max-width:calc(100vw - 18px);
  }
}
@media(prefers-reduced-motion:reduce){
  .spacey-music-player.playing .spacey-music-face,
  .spacey-music-player.playing .spacey-music-mouth,
  body.spacey-music-playing .mascot-btn,
  body.spacey-music-playing .mascot-btn:after{
    animation:none !important;
  }
}