@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Press+Start+2P&display=swap');
:root{font-family:'Space Grotesk',sans-serif;background:#090b19;color:#ececfc}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 70% 15%,#28204355,transparent 55%)}button,select{font:inherit}button{cursor:pointer}button:focus-visible,select:focus-visible,a:focus-visible{outline:3px solid #e8fc6d;outline-offset:4px}header{max-width:1240px;margin:auto;padding:28px 35px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #ffffff12}.logo{font-size:29px;font-weight:700;color:white;text-decoration:none;letter-spacing:-5px}.logo>span{color:#d7fb74}.logo small{font-size:10px;letter-spacing:2px;margin-left:20px;vertical-align:middle}.edition{font-size:10px;color:#7a7f99;letter-spacing:2px}header button{border:1px solid #383b52;color:#b9bfd6;background:none;border-radius:5px;font-size:10px;padding:10px}main{max-width:1170px;margin:auto;padding:0 32px}.mast{display:flex;justify-content:space-between;align-items:center;padding:35px 0 28px}.eyebrow{font-size:9px;letter-spacing:3px;color:#d9f97c}h1{font-size:clamp(24px,3.8vw,46px);letter-spacing:-2px;line-height:1.15;margin:12px 0 0;font-weight:700}h1 span{color:#a6a3cf}.tag{border:1px solid #414054;border-radius:50%;width:77px;height:77px;display:grid;align-content:center;text-align:center;transform:rotate(12deg);font-size:11px;line-height:1.7;color:#c5bddb}.tag span{font-size:8px;color:#76778f}.cabinet{border:1px solid #4a496b;border-radius:16px;overflow:hidden;box-shadow:0 0 80px #7955ff15,0 20px 50px #0008;background:#111223}.hud{display:flex;justify-content:space-between;padding:19px 30px;background:#18192c;border-bottom:1px solid #3a365a;font-size:9px;letter-spacing:2px;color:#777e9a}.hud strong{display:block;font:16px 'Press Start 2P',monospace;color:#dffb82;margin-top:10px;letter-spacing:0}.hud div:nth-child(2) strong{color:#bcb1fa}.hud div:nth-child(3) strong{color:#fa81be}.viewport{height:485px;position:relative;background:#09091c;overflow:hidden}canvas{width:100%;height:100%;display:block}.scanlines{pointer-events:none;position:absolute;inset:0;opacity:.18;background:repeating-linear-gradient(transparent 0px,transparent 3px,#000 4px);z-index:2}.sector-label{position:absolute;left:22px;top:19px;font-size:8px;letter-spacing:2px;color:#8d83b1;z-index:3}#overlay{position:absolute;inset:0;display:grid;place-items:center;background:linear-gradient(90deg,#090b1ddd,#090b1d88,#090b1d44);z-index:4;padding:30px;overflow:auto}.start-screen{text-align:center;max-width:510px}.chip{font-size:9px;letter-spacing:3px;color:#fba1da;margin-bottom:18px}h2{font-family:'Press Start 2P',monospace;line-height:1.7;font-size:30px;margin:10px 0;text-shadow:4px 4px #583a71}h2 em{color:#ddfa83;font-style:normal}p{font-size:13px;line-height:1.8;color:#9c9fbe}label{display:block;font-size:8px;color:#aca6c7;letter-spacing:2px;margin:18px 0 8px}select{background:#1c1b35;border:1px solid #4c4269;border-radius:5px;color:#d4d1ea;padding:11px;width:100%;font-size:12px}.primary{width:100%;margin-top:12px;border:0;border-bottom:4px solid #9aaf42;border-radius:5px;background:#e1fc87;color:#20272b;padding:16px 20px;font-size:12px;font-weight:700;letter-spacing:2px;box-shadow:0 0 25px #c9fb6120}.primary span{float:right}.micro{font-size:9px;color:#797c99;margin-top:13px}.cabinet-bottom{display:flex;justify-content:space-between;align-items:center;padding:14px 22px;font-size:8px;letter-spacing:2px;color:#757b92;background:#18192c}.cabinet-bottom i{background:#dcfb84;box-shadow:0 0 6px #dcfb84;width:5px;height:5px;display:inline-block;border-radius:50%;margin-right:8px}.cabinet-bottom button{background:none;border:0;color:#a4a5c0;font-size:9px}.instructions{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;padding:26px 0}.instructions b{font-size:9px;letter-spacing:2px;color:#b9b3cf}.instructions p{font-size:11px;color:#737a98;margin:9px 0}.under{display:flex;align-items:center;justify-content:space-between;gap:25px}.touch{display:flex;gap:8px}.touch button{border:1px solid #4b4466;border-bottom:3px solid #4b4466;border-radius:7px;background:#191a30;color:#e1fc87;padding:17px;touch-action:none;user-select:none}.touch button:nth-child(2){color:#f999d8}footer{display:flex;justify-content:space-between;border-top:1px solid #ffffff12;padding:20px 0;font-size:9px;letter-spacing:1px;color:#565e7d}a{color:#9b9fbb}footer a{text-decoration:none}details{font-size:11px;color:#7b829c;padding:10px 0 25px}details p{font-size:11px}#flight{position:absolute;bottom:20px;left:20px;right:20px;display:flex;justify-content:space-between;font-size:9px;letter-spacing:1px;color:#b9b5d8}#flight[hidden]{display:none}.quiz{width:min(570px,100%);padding:20px;border:1px solid #5a487c;background:#121326ed;border-radius:12px}.quiz h3{font-size:21px;line-height:1.5;margin:15px 0 20px}.choices{display:grid;grid-template-columns:1fr 1fr;gap:10px}.choices button{background:#24213e;border:1px solid #554870;border-radius:5px;padding:14px;color:#ece7ff;font-size:17px}.choices button.good{background:#35472b;border-color:#d8fb7a}.choices button.bad{background:#4c233b;border-color:#ed86bf}.hint{background:none;border:0;text-decoration:underline;color:#a99ccc;font-size:11px;margin-top:15px;padding:5px}.feedback{font-size:12px;color:#c9c1e5;line-height:1.7;margin-top:12px}.quiz .chip{font-size:8px}.result{text-align:center;max-width:440px}.result h2{font-size:23px}.result .number{font:32px 'Press Start 2P';color:#ddfb85;margin:25px 0}button:disabled{cursor:default}#overlay[hidden]{display:none}@media(max-width:700px){main{padding:0 15px}header{padding:20px}.edition{display:none}.mast{padding:25px 0}h1{letter-spacing:-1px}.tag{width:60px;height:60px;font-size:9px}.hud{padding:15px}.hud strong{font-size:11px}.hud{font-size:7px}.viewport{height:520px}h2{font-size:24px}.under{display:block}.instructions{gap:15px;padding-bottom:10px}.instructions b{font-size:8px}.touch{justify-content:center;margin-bottom:20px}.touch button{padding:17px 26px}footer span{display:none}.cabinet-bottom>span:nth-child(2){display:none}#flight{font-size:8px;gap:15px}.quiz{padding:15px}#overlay{padding:30px 15px}.sector-label{font-size:7px}}

/* Phone and touchscreen ergonomics */
html{ -webkit-text-size-adjust:100%; } body{padding-left:env(safe-area-inset-left);padding-right:env(safe-area-inset-right)}
button,a,summary{touch-action:manipulation}button{min-height:44px}select{min-height:48px;font-size:16px}button{overflow-wrap:anywhere}button:active{filter:brightness(1.12)}
@media(pointer:coarse){button{-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}.hint{min-height:48px}}

.touch button:disabled{opacity:.4}.touch button:active{background:#383052}.touch #touchpause{color:#c7bfdf;min-width:48px}
@media(max-width:800px),(pointer:coarse){main{padding:0 12px 112px}.touch{position:fixed;bottom:0;left:0;right:0;z-index:10;display:flex;justify-content:center;gap:12px;margin:0;padding:10px 12px calc(10px + env(safe-area-inset-bottom));background:#111225f5;border-top:1px solid #4c4269;box-shadow:0 -5px 25px #0005}.touch button{width:68px;min-width:48px;height:62px;padding:10px;font-size:20px}.touch #fire{width:112px;font-size:16px}.touch #touchpause{width:50px}.instructions{gap:12px}.instructions p{font-size:12px}.viewport{height:clamp(430px,65svh,620px)}.choices button{min-height:60px;font-size:20px}.quiz h3{font-size:23px}.feedback{font-size:15px}.hint{font-size:15px;min-height:48px}.primary{font-size:14px;min-height:54px}#overlay{align-items:safe center;overscroll-behavior:contain;scroll-padding:20px}.quiz{margin:auto}label{font-size:10px}select{font-size:16px}.micro{font-size:11px}.sector-label{font-size:9px}.cabinet-bottom button{min-width:70px}.hud{gap:8px}.hud strong{font-size:12px}.hud{font-size:8px}#flight{flex-direction:column;gap:8px;font-size:11px}.stats{font-size:12px}
body[data-mode]:not([data-mode="menu"]) header{padding:8px 16px;min-height:52px}body[data-mode]:not([data-mode="menu"]) .mast,body[data-mode]:not([data-mode="menu"]) .instructions,body[data-mode]:not([data-mode="menu"]) footer{display:none}body[data-mode]:not([data-mode="menu"]) .cabinet{margin-top:8px}body[data-mode]:not([data-mode="menu"]) .viewport{height:calc(100svh - 244px);min-height:290px}body[data-mode]:not([data-mode="menu"]) .hud{padding:12px 16px}body[data-mode]:not([data-mode="menu"]) details{margin-top:12px}.start-screen{padding:8px 0}h2{font-size:25px}}
@media(max-width:360px){.touch{gap:7px}.touch button{width:58px}.touch #fire{width:90px}.logo small{font-size:8px;letter-spacing:1px;margin-left:12px}.hud strong{font-size:10px}.choices{gap:8px}}
@media(max-height:520px) and (orientation:landscape){body[data-mode]:not([data-mode="menu"]) main{padding:0 200px 12px 8px}body[data-mode]:not([data-mode="menu"]) header{display:none}body[data-mode]:not([data-mode="menu"]) .viewport{height:calc(100svh - 102px);min-height:160px}.touch{left:auto;width:190px;height:100svh;display:grid;grid-template-columns:1fr 1fr;align-content:center;justify-items:center;gap:12px}.touch #fire{width:80px;grid-column:1/3;grid-row:1}.touch #touchpause{grid-column:1/3;width:80px}.hud{padding:8px 16px}.sector-label{display:none}.quiz h3{font-size:18px;margin:8px 0}.choices button{min-height:48px;padding:8px}.quiz{padding:12px}.feedback{font-size:13px}}

@media(max-width:800px),(pointer:coarse){.cabinet-bottom{padding:0 12px;min-height:44px}body[data-mode]:not([data-mode="menu"]) .viewport{height:calc(100svh - 270px);min-height:220px}}
@media(max-height:520px) and (orientation:landscape){body[data-mode]:not([data-mode="menu"]) .viewport{height:calc(100svh - 108px);min-height:140px}}

/* K–12 grade selection */
header{position:relative;flex-wrap:wrap;gap:10px}.grade-picker{display:flex;align-items:center;gap:8px;margin:0;font-size:10px;letter-spacing:1px;flex-shrink:0;color:inherit}.grade-picker select{min-height:44px;width:142px;max-width:45vw;margin:0;padding:8px 10px;border:1px solid #73878c;border-radius:8px;font-size:16px;background:#22343d;color:#f0ecd8}.read-question{display:block;min-height:44px;margin:0 0 12px;padding:8px 12px;font-size:14px;background:transparent;border:1px solid #73878c;border-radius:8px;color:inherit}.no-speech .read-question{display:none}.quiz h3,.question{overflow-wrap:anywhere}.quiz .chip,.quiz .pill{line-height:1.7}
@media(max-width:650px){header{padding:8px 12px;min-height:68px;gap:6px}.grade-picker{font-size:8px;gap:5px}.grade-picker select{width:127px;font-size:16px}.grade-picker>span{display:none}.edition{display:none}.top-right>span{display:none}.top-right{gap:4px}.quiz h3,.question{font-size:21px}.read-question{font-size:14px}.quiz{padding-bottom:14px}}
@media(max-width:650px){header .logo small{display:none}header #sound{font-size:9px;padding:8px}header .logo{font-size:24px}body[data-mode]:not([data-mode="menu"]) .viewport{height:calc(100svh - 285px)}}
@media(max-height:520px) and (orientation:landscape){body[data-mode]:not([data-mode="menu"]) header{display:flex;position:fixed;right:4px;top:4px;width:190px;background:#17242b;z-index:20;justify-content:center;padding:0;min-height:44px}body[data-mode]:not([data-mode="menu"]) header>*:not(.grade-picker){display:none}body[data-mode]:not([data-mode="menu"]) .grade-picker select{height:44px}}