@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');
:root{--bg:#0b1220;--surface:#111d30;--surface2:#15243a;--ink:#f4f7f9;--muted:#9aaac0;--line:#293a4d;--teal:#55e4c4;--orange:#ffbf69;--pink:#ff7896;--blue:#7ba9ff;--shadow:0 28px 80px rgba(0,0,0,.26)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;background:var(--bg);color:var(--ink);font-family:'DM Sans',system-ui,sans-serif;line-height:1.5}button,textarea{font:inherit}button{cursor:pointer}button:focus-visible,a:focus-visible,textarea:focus-visible{outline:3px solid var(--orange);outline-offset:3px}a{color:inherit;text-decoration:none}[hidden]{display:none!important}sup{font-size:.7em;line-height:0}.ambient{position:fixed;pointer-events:none;filter:blur(4px);opacity:.38;z-index:-1}.ambient-one{top:-260px;right:-200px;width:720px;height:720px;background:radial-gradient(circle,#154f5d 0%,transparent 66%)}.ambient-two{bottom:-360px;left:-240px;width:780px;height:780px;background:radial-gradient(circle,#30265b 0%,transparent 68%)}.app-shell{width:min(1180px,calc(100% - 48px));margin:auto}.site-header{height:84px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(255,255,255,.09)}.brand{display:inline-flex;gap:12px;align-items:center;font-family:'Space Grotesk',sans-serif;font-size:18px;font-weight:700;letter-spacing:.035em;line-height:.95}.brand>span:last-child{display:flex;align-items:baseline}.brand-accent{color:var(--teal)}.brand small{font-size:9px;letter-spacing:.27em;color:var(--muted);margin-left:9px}.brand-mark{width:35px;height:35px;border:2px solid var(--teal);transform:rotate(45deg);display:grid;grid-template-columns:repeat(2,1fr);gap:3px;padding:5px;box-shadow:0 0 25px rgba(85,228,196,.25)}.brand-mark span{background:var(--teal)}.brand-mark span:nth-child(2){opacity:.55}.brand-mark span:nth-child(3){opacity:.27}.brand-mark span:nth-child(4){opacity:.8}.header-right{display:flex;align-items:center;gap:15px}.course-pill,.xp-pill{font-size:11px;font-weight:700;letter-spacing:.12em;border-radius:100px;padding:10px 14px;background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.09)}.course-pill{color:var(--muted)}.pill-divider{color:var(--teal);padding:0 5px}.xp-pill{color:var(--orange)}.xp-pill span{font-size:16px;line-height:0}.screen{min-height:calc(100vh - 160px)}.hero-grid{min-height:480px;display:grid;grid-template-columns:1.04fr .96fr;align-items:center;gap:20px;padding:42px 0 36px}.eyebrow{font-size:11px;letter-spacing:.22em;font-weight:700;color:var(--teal);margin:0 0 16px}.live-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--teal);margin-right:8px;box-shadow:0 0 0 5px rgba(85,228,196,.12),0 0 18px var(--teal)}h1,h2,h3{font-family:'Space Grotesk',system-ui,sans-serif}h1{font-size:clamp(42px,5.5vw,76px);line-height:1.04;letter-spacing:-.065em;margin:0;max-width:650px}h1 em{font-style:normal;color:var(--teal)}.hero-sub{font-size:17px;line-height:1.72;color:#adc0d0;max-width:570px;margin:25px 0}.hero-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap}.button{border:0;border-radius:10px;padding:13px 20px;font-family:'Space Grotesk',sans-serif;font-size:14px;font-weight:700;transition:transform .18s ease,filter .18s ease,background .18s ease}.button:hover{transform:translateY(-2px);filter:brightness(1.06)}.button-primary{background:var(--teal);color:#0a1a20;box-shadow:0 12px 30px rgba(85,228,196,.18)}.button-primary span{margin-left:12px}.button-secondary{background:var(--orange);color:#241b15}.button-success{background:var(--teal);color:#0a1a20}.button-outline{background:transparent;border:1px solid #577185;color:var(--ink)}.microcopy{font-size:12px;color:var(--muted)}.hero-visual{height:450px;position:relative;overflow:hidden;border-radius:28px;background:radial-gradient(circle at 50% 48%,#1f4260 0%,#112336 41%,#0d1829 78%);border:1px solid #284259;box-shadow:var(--shadow)}.visual-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(139,231,232,.09) 1px,transparent 1px),linear-gradient(90deg,rgba(139,231,232,.09) 1px,transparent 1px);background-size:37px 37px;mask-image:radial-gradient(circle at 50% 50%,#000 14%,transparent 76%)}.orbit{border:1px solid rgba(85,228,196,.24);position:absolute;left:50%;top:50%;transform:translate(-50%,-50%) rotate(-25deg);border-radius:50%}.orbit-outer{width:350px;height:350px;box-shadow:0 0 45px rgba(85,228,196,.08)}.orbit-inner{width:260px;height:260px;border-style:dashed;animation:spin 35s linear infinite}.core-gem{position:absolute;left:50%;top:50%;width:180px;height:180px;transform:translate(-50%,-50%) rotate(45deg);display:grid;place-items:center;border:2px solid var(--teal);border-radius:22px;background:linear-gradient(140deg,rgba(85,228,196,.2),rgba(29,53,74,.95));box-shadow:0 0 65px rgba(85,228,196,.27),inset 0 0 40px rgba(85,228,196,.14)}.core-gem span{transform:rotate(-45deg);font-family:'Space Grotesk',sans-serif;font-size:72px;font-weight:700;letter-spacing:-.08em;color:var(--teal);text-shadow:0 0 25px rgba(85,228,196,.4)}.float-chip{position:absolute;padding:9px 13px;border:1px solid #3a6471;background:#162e42ee;border-radius:8px;color:var(--teal);font-size:11px;font-family:'Space Grotesk';font-weight:700;letter-spacing:.12em;box-shadow:0 12px 25px rgba(0,0,0,.25)}.chip-one{top:55px;left:46px;transform:rotate(-9deg)}.chip-two{right:31px;top:105px;color:var(--orange);transform:rotate(8deg)}.chip-three{bottom:50px;left:84px;color:var(--pink);transform:rotate(5deg)}@keyframes spin{to{transform:translate(-50%,-50%) rotate(335deg)}}.section-label-row{display:flex;align-items:end;justify-content:space-between;gap:20px;margin:13px 0 20px}.section-label-row .eyebrow{margin-bottom:3px}.section-label-row h2{font-size:29px;letter-spacing:-.04em;margin:0}.section-note{font-size:12px;color:var(--muted)}.mode-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.mode-card{min-height:252px;text-align:left;display:flex;flex-direction:column;align-items:flex-start;border:1px solid #314258;border-radius:17px;background:linear-gradient(155deg,#16263c,#101d2f);color:var(--ink);padding:21px;transition:transform .2s,border-color .2s,box-shadow .2s}.mode-card:hover{transform:translateY(-5px);border-color:var(--teal);box-shadow:0 18px 42px rgba(0,0,0,.22)}.mode-icon{font-size:27px;line-height:1;color:var(--teal);margin-bottom:22px}.mode-sprint .mode-icon{color:var(--orange)}.mode-review .mode-icon{color:var(--pink)}.mode-kicker{font-size:10px;letter-spacing:.18em;font-weight:700;color:var(--teal)}.mode-sprint .mode-kicker{color:var(--orange)}.mode-review .mode-kicker{color:var(--pink)}.mode-card strong{font-family:'Space Grotesk';font-size:21px;margin:5px 0 7px}.mode-card>span:nth-last-child(2){font-size:12px;line-height:1.55;color:var(--muted)}.mode-footer{width:100%;display:flex;justify-content:space-between;align-items:center;margin-top:auto;padding-top:25px;font-size:10px;letter-spacing:.15em;font-weight:700}.mode-footer b{font-size:18px;color:var(--teal)}.mode-card[disabled]{cursor:not-allowed;opacity:.55}.mode-card[disabled]:hover{transform:none;border-color:#314258;box-shadow:none}.dashboard-strip{display:grid;grid-template-columns:repeat(3,1fr) 2fr;gap:20px;margin:24px 0 75px;padding:21px 25px;border:1px solid #26394d;border-radius:14px;background:rgba(255,255,255,.035)}.dashboard-strip div:not(:last-child){display:flex;flex-direction:column;border-right:1px solid #314358}.dashboard-strip span{font-size:10px;letter-spacing:.12em;color:var(--muted);font-weight:700}.dashboard-strip strong{font:700 24px 'Space Grotesk';margin-top:4px}.dashboard-quote{font:500 13px 'Space Grotesk';color:#9bb9c9;display:flex;align-items:center}.site-footer{display:flex;justify-content:space-between;gap:20px;padding:24px 0 35px;border-top:1px solid #253648;color:#70859b;font-size:11px}.site-footer>span:first-child{font-weight:700;letter-spacing:.12em}.footer-sep{color:var(--teal);padding:0 4px}
/* Game */
#quiz-screen{max-width:880px;margin:0 auto;padding-top:28px}.quiz-topline{display:flex;align-items:center;justify-content:space-between;gap:14px;color:var(--muted);font-size:11px;font-weight:700;letter-spacing:.15em}.text-button{background:none;color:var(--muted);padding:8px 0;border:0}.text-button:hover{color:var(--ink)}.timer{color:var(--orange);font-family:'Space Grotesk';font-size:15px}.timer.urgent{color:var(--pink)}.hud{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:18px 0}.hud-item{background:#142338;border:1px solid #2d4055;border-radius:11px;padding:12px 17px;display:flex;flex-direction:column}.hud-item small{font-size:10px;letter-spacing:.15em;color:var(--muted);font-weight:700}.hud-item strong{font:700 23px 'Space Grotesk';margin-top:2px}.streak-flame{color:var(--orange);font-size:14px}.progress-track{height:7px;border-radius:10px;background:#23364b;overflow:hidden;margin-bottom:18px}.progress-track>div{height:100%;width:0;background:linear-gradient(90deg,var(--teal),var(--blue));border-radius:10px;transition:width .3s ease}.question-card{min-height:460px;background:linear-gradient(155deg,#16273d,#111e31);border:1px solid #32475a;border-radius:19px;padding:31px 36px 25px;box-shadow:var(--shadow)}.question-meta{display:flex;gap:9px;flex-wrap:wrap}.type-tag,.category-tag{font-size:10px;letter-spacing:.14em;font-weight:700;border-radius:6px;padding:7px 9px}.type-tag{background:rgba(85,228,196,.13);color:var(--teal)}.category-tag{background:rgba(123,169,255,.13);color:var(--blue)}.question-card h2{font-size:clamp(19px,2.4vw,26px);line-height:1.36;letter-spacing:-.025em;margin:22px 0 23px}.choice-area{display:grid;gap:9px}.choice-button{width:100%;text-align:left;display:flex;align-items:center;gap:13px;background:#1a2b40;border:1px solid #405267;border-radius:10px;color:var(--ink);padding:12px 14px;line-height:1.35;transition:border-color .16s,background .16s,transform .16s}.choice-button:hover:not(:disabled){border-color:var(--teal);background:#20374d;transform:translateX(3px)}.choice-button:disabled{cursor:default}.choice-letter{width:28px;height:28px;display:grid;place-items:center;flex:none;border-radius:6px;background:#283d52;color:var(--teal);font:700 12px 'Space Grotesk'}.choice-button.correct{border-color:var(--teal);background:rgba(85,228,196,.13)}.choice-button.wrong{border-color:var(--pink);background:rgba(255,120,150,.13)}.choice-button.correct .choice-letter{background:var(--teal);color:#0b2123}.choice-button.wrong .choice-letter{background:var(--pink);color:#27131b}.short-area label{display:block;font-size:12px;font-weight:700;color:var(--ink);margin-bottom:9px}.short-area label span{font-weight:400;color:var(--muted)}.short-area textarea{display:block;width:100%;resize:vertical;min-height:116px;border-radius:10px;border:1px solid #405267;background:#0e1a2c;color:var(--ink);padding:13px 15px;line-height:1.5;margin-bottom:14px}.short-area textarea::placeholder{color:#73879d}.feedback{margin-top:19px;background:rgba(123,169,255,.09);border-left:3px solid var(--blue);border-radius:0 9px 9px 0;padding:15px 17px;color:#d4e1e9;font-size:14px}.feedback.good{background:rgba(85,228,196,.09);border-color:var(--teal)}.feedback.bad{background:rgba(255,120,150,.09);border-color:var(--pink)}.feedback-heading{display:flex;gap:10px;align-items:center;margin-bottom:5px}.feedback-heading strong{font-family:'Space Grotesk';color:var(--ink)}.feedback-heading span{font-size:20px;line-height:1;color:var(--teal)}.feedback.bad .feedback-heading span{color:var(--pink)}.self-grade{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-top:17px}.self-grade>span{font-size:12px;color:var(--muted);margin-right:4px}.self-grade .button{padding:10px 14px}.question-bottom{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-top:25px;border-top:1px solid #30445a;padding-top:18px;min-height:55px}.question-bottom>span{font-size:11px;color:var(--muted);letter-spacing:.06em}.keyboard-hint{font-size:11px;color:#647c91;text-align:center;padding:10px 0 40px}
/* Results */
#result-screen{max-width:860px;margin:0 auto;padding:62px 0}.result-panel{text-align:center;border:1px solid #365464;border-radius:21px;padding:45px 35px;background:radial-gradient(circle at 50% 0,rgba(85,228,196,.14),transparent 48%),#142238;box-shadow:var(--shadow)}.result-panel .eyebrow{margin-bottom:9px}.rank-badge{width:100px;height:100px;display:grid;place-items:center;margin:22px auto;border:2px solid var(--teal);border-radius:24px;transform:rotate(45deg);font:700 54px 'Space Grotesk';color:var(--teal);box-shadow:0 0 30px rgba(85,228,196,.22)}.rank-badge>span{transform:rotate(-45deg)}.result-panel h1{font-size:50px;max-width:none;margin:22px 0 4px}.result-panel p:not(.eyebrow){color:var(--muted);margin:0}.result-stats{display:grid;grid-template-columns:repeat(3,1fr);max-width:540px;margin:34px auto;border-top:1px solid #30495a;border-bottom:1px solid #30495a}.result-stats div{padding:17px 9px;display:flex;flex-direction:column}.result-stats div+div{border-left:1px solid #30495a}.result-stats small{font-size:10px;letter-spacing:.14em;color:var(--muted)}.result-stats strong{font:700 28px 'Space Grotesk';color:var(--ink)}.result-actions{display:flex;justify-content:center;gap:11px;flex-wrap:wrap}.missed-panel{padding:38px 0}.missed-panel .section-label-row{margin-bottom:18px}.missed-panel details{border:1px solid #31485a;background:#142238;border-radius:10px;margin-bottom:10px;padding:12px 17px}.missed-panel summary{cursor:pointer;font-weight:700;line-height:1.5}.missed-panel details p{font-size:13px;color:#bed0dd;margin:10px 0 1px}.burst{position:fixed;pointer-events:none;font-size:25px;color:var(--teal);animation:burst .75s ease-out forwards;z-index:20}@keyframes burst{from{transform:translateY(0) scale(.5);opacity:1}to{transform:translateY(-90px) scale(1.7);opacity:0}}
@media(max-width:950px){.hero-grid{grid-template-columns:1fr .8fr}.hero-visual{height:360px}.orbit-outer{width:280px;height:280px}.orbit-inner{width:205px;height:205px}.core-gem{width:145px;height:145px}.core-gem span{font-size:59px}.mode-grid{grid-template-columns:repeat(2,1fr)}.dashboard-strip{grid-template-columns:repeat(3,1fr)}.dashboard-quote{display:none!important}}
@media(max-width:700px){.app-shell{width:min(100% - 28px,1180px)}.site-header{height:72px}.brand{font-size:15px}.brand-mark{width:29px;height:29px}.brand small{font-size:8px;margin-left:5px}.course-pill{display:none}.hero-grid{grid-template-columns:1fr;padding:44px 0 20px;gap:30px}.hero-visual{height:250px}.orbit-outer{width:240px;height:240px}.orbit-inner{width:175px;height:175px}.core-gem{width:116px;height:116px}.core-gem span{font-size:48px}.float-chip{font-size:8px}.chip-one{top:30px;left:20px}.chip-two{right:17px;top:50px}.chip-three{bottom:24px;left:38px}.hero-sub{font-size:15px}.section-label-row h2{font-size:25px}.section-note{display:none}.mode-grid{grid-template-columns:1fr 1fr}.mode-card{min-height:225px;padding:16px}.mode-card strong{font-size:17px}.mode-icon{margin-bottom:15px}.dashboard-strip{grid-template-columns:repeat(3,1fr);gap:10px;padding:15px}.dashboard-strip strong{font-size:18px}.dashboard-strip span{font-size:8px}.site-footer{flex-direction:column}.question-card{padding:22px 18px}.hud{gap:7px}.hud-item{padding:9px 10px}.hud-item strong{font-size:18px}.hud-item small{font-size:8px}.quiz-topline{font-size:10px}.result-panel{padding:34px 20px}.result-panel h1{font-size:37px}}
@media(max-width:480px){.mode-grid{grid-template-columns:1fr}.mode-card{min-height:185px}.mode-icon{margin-bottom:8px}.dashboard-strip{grid-template-columns:1fr}.dashboard-strip div:not(:last-child){border-right:0;border-bottom:1px solid #314358;padding-bottom:8px}.dashboard-strip strong{font-size:21px}.question-bottom{flex-wrap:wrap}.question-bottom .button{width:100%}.result-stats strong{font-size:21px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}
/* The playable mine */
#quiz-screen{max-width:1120px}.game-layout{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(255px,.75fr);gap:18px;align-items:start}.arena-card,.mission-card{border:1px solid #31485d;border-radius:18px;background:linear-gradient(155deg,#15263a,#101c2e);box-shadow:var(--shadow)}.arena-card{padding:22px}.arena-heading{display:flex;align-items:end;justify-content:space-between;margin-bottom:14px}.arena-heading .eyebrow{margin-bottom:1px}.arena-heading h2{font-size:24px;letter-spacing:-.04em;margin:0}.level-label{font-size:10px;letter-spacing:.16em;font-weight:700;color:var(--orange);border:1px solid #6a5b43;background:rgba(255,191,105,.08);padding:6px 9px;border-radius:6px}.arena{display:grid;grid-template-columns:repeat(11,minmax(0,1fr));gap:3px;padding:8px;border:1px solid #2b4a5c;background:#0a1728;border-radius:12px;box-shadow:inset 0 0 30px rgba(0,0,0,.28)}.tile{aspect-ratio:1;min-width:0;display:grid;place-items:center;border-radius:6px;background:#172b3d;border:1px solid rgba(125,169,187,.13);color:transparent;font:700 clamp(12px,2vw,25px) 'Space Grotesk';user-select:none;transition:background .13s,transform .13s,box-shadow .13s}.tile.floor:nth-child(3n){background:#182d40}.tile.wall{background:repeating-linear-gradient(135deg,#101e2b,#101e2b 6px,#142434 6px,#142434 12px);border-color:#192b3b}.tile.gem{color:var(--teal);background:radial-gradient(circle,rgba(85,228,196,.23),#172d3f 65%);border-color:rgba(85,228,196,.37);text-shadow:0 0 14px var(--teal);animation:pulse 2.2s ease-in-out infinite}.tile.gem.scanned{box-shadow:0 0 0 2px var(--orange),0 0 22px var(--teal);transform:scale(1.08)}.tile.hazard{color:var(--pink);background:rgba(255,120,150,.11);border-color:rgba(255,120,150,.28);text-shadow:0 0 13px var(--pink)}.tile.energy{color:var(--orange);background:rgba(255,191,105,.12);border-color:rgba(255,191,105,.3);text-shadow:0 0 10px var(--orange)}.tile.exit{color:#637e88;background:#122833;border:1px dashed #3c6470}.tile.exit.ready{color:var(--teal);background:rgba(85,228,196,.16);border-style:solid;border-color:var(--teal);box-shadow:0 0 20px rgba(85,228,196,.24);animation:pulse 1.6s infinite}.tile.player{color:#091c22;background:var(--teal);border-color:#b9fff0;box-shadow:0 0 17px rgba(85,228,196,.67);font-size:clamp(13px,2vw,24px);z-index:1}.tile.player::after{content:'●';color:#0b3340;text-shadow:0 0 7px #b2ffed}.tile.player{font-size:0}.arena-footer{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:14px;font-size:12px;color:#bdd0d9}.scan-button{flex:none;color:var(--teal);font-size:11px;font-weight:700;letter-spacing:.05em;border:1px solid #3b716e;background:rgba(85,228,196,.08);border-radius:7px;padding:8px 11px}.scan-button:hover{background:rgba(85,228,196,.17)}.mission-card{padding:24px}.mission-card .eyebrow{margin-bottom:5px}.mission-card h3{font-size:23px;margin:0 0 8px;letter-spacing:-.04em}.mission-card p:not(.eyebrow){font-size:13px;color:#acc1ce;line-height:1.65;margin:0 0 18px}.legend{display:grid;gap:8px;background:#0c1a2b;border:1px solid #263b4f;border-radius:9px;padding:13px;margin-bottom:23px}.legend span{display:flex;align-items:center;gap:12px;font-size:12px;color:#c5d3db}.legend b{width:16px;text-align:center;font-size:16px}.legend-gem{color:var(--teal)}.legend-hazard{color:var(--pink)}.legend-energy{color:var(--orange)}.legend-exit{color:var(--blue)}.controls-label{font-size:10px;letter-spacing:.14em;font-weight:700;color:var(--muted);text-align:center;margin-bottom:10px}.dpad{display:grid;grid-template-columns:repeat(3,42px);justify-content:center;gap:5px}.dpad button{height:42px;border-radius:8px;background:#20354a;border:1px solid #426078;color:var(--ink);font:700 20px 'Space Grotesk'}.dpad button:hover{background:#2a4b5f;border-color:var(--teal)}.dpad button[data-move=up]{grid-column:2}.dpad button[data-move=left]{grid-column:1;grid-row:2}.dpad button[data-move=down]{grid-column:2;grid-row:2}.dpad button[data-move=right]{grid-column:3;grid-row:2}.mission-tip{margin-top:23px;border-top:1px solid #2d4558;padding-top:17px;font-size:11px;color:#91a8b9;line-height:1.6}.mission-tip strong{color:var(--orange)}@keyframes pulse{50%{filter:brightness(1.3)}}.question-overlay{position:fixed;inset:0;background:rgba(4,11,20,.82);backdrop-filter:blur(8px);z-index:10;display:grid;place-items:center;padding:18px}.question-overlay .question-card{width:min(760px,100%);max-height:calc(100vh - 36px);overflow-y:auto;min-height:0}.source-tag{font-size:10px;letter-spacing:.06em;color:var(--muted);padding:7px 3px}.overlay-open{overflow:hidden}.tile.bump{animation:bump .25s ease}.tile.hit{animation:hit .3s ease}@keyframes bump{50%{transform:scale(.87)}}@keyframes hit{50%{background:var(--pink);transform:scale(.9)}}
@media(max-width:870px){.game-layout{grid-template-columns:1fr}.mission-card{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}.mission-card .eyebrow,.mission-card h3,.mission-card p{grid-column:1}.mission-card .legend{grid-column:2;grid-row:1 / span 3}.controls-label,.dpad,.mission-tip{grid-column:1 / -1}.mission-tip{margin-top:16px}.arena{max-width:660px;margin:auto}}
@media(max-width:560px){.arena-card{padding:11px}.arena{gap:2px;padding:5px}.tile{border-radius:4px;font-size:clamp(10px,3vw,16px)}.arena-heading{padding:8px 5px 0}.arena-heading h2{font-size:19px}.arena-footer{font-size:11px;padding:0 5px 5px}.mission-card{display:block;padding:18px}.mission-card .legend{margin:15px 0}.question-overlay{padding:7px}.question-overlay .question-card{max-height:calc(100vh - 14px)}.question-overlay .question-card h2{font-size:18px}.choice-button{padding:10px}.hud{margin:12px 0}.hud-item strong{font-size:16px}}
.tile.player::after{font-size:clamp(17px,2.5vw,28px)}
.exam-data{display:block;margin:15px 0;padding:13px 15px;border:1px solid #3a5267;border-radius:8px;background:#0d1b2d;color:#c8dce7;font:500 14px/1.75 'DM Sans',system-ui,sans-serif;letter-spacing:0}.question-card h2:has(.exam-data){font-size:21px}.exam-data sub{font-size:.75em}
.new-game-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:25px}.new-game-grid .mode-card{position:relative;overflow:hidden;padding:23px;min-height:345px}.new-game-grid .mode-card>strong+span{color:var(--muted);font-size:13px;max-width:430px}.new-game-grid .mode-footer{margin-top:0;padding-top:16px}.game-best{position:absolute;right:22px;top:144px;color:var(--muted);font-size:10px;letter-spacing:.12em}.game-best b{color:var(--ink)}.game-art{height:100px;width:100%;border-radius:11px;position:relative;display:flex;justify-content:center;align-items:center;overflow:hidden;margin-bottom:20px}.racer-art{background:linear-gradient(90deg,#0d2837 0 29%,#283a50 29% 71%,#0d2837 71%)}.racer-art b{font-size:61px;line-height:1;color:var(--teal);text-shadow:0 0 22px #55e4c477;transform:rotate(-8deg)}.racer-art i{position:absolute;top:-30px;height:150px;width:2px;background:repeating-linear-gradient(#9fb5c8 0 20px,transparent 20px 38px);left:43%;transform:rotate(-8deg)}.racer-art i:last-child{left:59%}.defender-art{background:radial-gradient(ellipse at top,#27335c,#0c1b2c 70%)}.defender-art b{font-size:53px;color:var(--blue);text-shadow:0 0 22px #7ba9ff88}.defender-art i{position:absolute;left:23%;top:15px;color:var(--pink);font-size:29px;text-shadow:0 0 20px #ff789666}.defender-art i:last-child{left:73%;top:45px;font-size:19px}.racer-card .mode-kicker{color:var(--orange)}.defender-card .mode-kicker{color:var(--blue)}
#arcade-screen{max-width:1040px;margin:auto;padding:28px 0 50px}.arcade-playfield{position:relative;border:1px solid #38546c;border-radius:17px;overflow:hidden;box-shadow:var(--shadow);background:#091523}.arcade-playfield canvas{display:block;width:100%;height:auto;aspect-ratio:15/8;outline-offset:-4px;touch-action:none}.arcade-notice{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;background:rgba(5,14,26,.80);backdrop-filter:blur(3px);padding:25px}.arcade-notice h2{font-size:clamp(23px,4vw,39px);letter-spacing:-.04em;margin:0 0 8px}.arcade-notice p:not(.eyebrow){max-width:520px;color:#b9cddd;font-size:14px;line-height:1.6;margin:0 0 20px}.arcade-notice .eyebrow{margin-bottom:9px;color:var(--orange)}.arcade-controls{display:flex;justify-content:center;align-items:center;gap:16px;margin-top:16px;user-select:none}.arcade-controls button{min-width:60px;height:48px;border:1px solid #4a718b;background:#1c334a;color:var(--teal);border-radius:10px;font:700 24px 'Space Grotesk';touch-action:none}.arcade-controls button:active{background:#34616a}.arcade-controls #arcade-fire{font-size:12px;letter-spacing:.1em;color:var(--orange);border-color:#74603e}.arcade-controls span{font-size:12px;color:var(--muted);text-align:center}.arcade-status{text-align:center;font-size:12px;color:#a5bccb;min-height:20px;margin:14px 0 25px}.arcade-question{max-width:860px;margin:20px auto}.arcade-review{margin:30px auto 0;max-width:760px;text-align:left}.arcade-review h3{color:var(--orange);font-size:18px}.arcade-review details{border:1px solid #3b5065;padding:12px 16px;border-radius:9px;margin-top:9px}.arcade-review summary{cursor:pointer;font-size:13px;font-weight:700}.arcade-review p{font-size:13px!important;margin:10px 0!important}.arcade-question h2{font-size:22px}.arcade-question .question-bottom>span{max-width:400px}
@media(max-width:700px){.game-best{top:143px;font-size:9px}.new-game-grid .mode-card{padding:17px}.game-art{height:92px}.arcade-notice{padding:14px}.arcade-notice .eyebrow{font-size:9px}.arcade-notice p:not(.eyebrow){font-size:11px;max-width:340px;margin-bottom:12px}.arcade-notice .button{font-size:12px;padding:10px 14px}.arcade-controls{gap:9px}.arcade-controls span{font-size:10px}.arcade-controls button{min-width:47px;height:43px}.arcade-question{padding:20px 17px}.arcade-question h2{font-size:18px}.arcade-question .question-bottom{display:block}.arcade-question .question-bottom .button{margin-top:12px}}
@media(max-width:500px){.new-game-grid{grid-template-columns:1fr}.new-game-grid .mode-card{min-height:320px}.game-best{top:131px}.arcade-notice h2{font-size:21px}.arcade-controls span{max-width:125px}.arcade-playfield{border-radius:11px}}
.mode-grid{grid-template-columns:repeat(3,1fr)}@media(max-width:950px){.mode-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:480px){.mode-grid{grid-template-columns:1fr}}

/* Study library */
.study-library{margin:0 0 34px;padding:26px 28px;border:1px solid #315367;border-radius:18px;background:linear-gradient(135deg,#16334a,#112238 65%,#13223b);box-shadow:var(--shadow)}
.study-library-heading{display:flex;justify-content:space-between;align-items:end;gap:16px;margin-bottom:20px}.study-library-heading .eyebrow{margin-bottom:3px}.study-library-heading h2{font-size:28px;letter-spacing:-.04em;margin:0}.scope-count{color:var(--teal);font:700 13px 'Space Grotesk';white-space:nowrap}
.study-filters,.study-form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.study-library label{display:block;color:#c7d8e3;font-size:12px;font-weight:700;letter-spacing:.03em}.study-library input,.study-library select,.study-library textarea{display:block;width:100%;margin-top:7px;padding:11px 12px;background:#0d1c2e;border:1px solid #456074;border-radius:9px;color:var(--ink);font:500 14px 'DM Sans',system-ui,sans-serif;letter-spacing:normal}.study-library input:focus-visible,.study-library select:focus-visible,.study-library textarea:focus-visible,.study-library summary:focus-visible{outline:3px solid var(--orange);outline-offset:2px}.study-library textarea{resize:vertical;min-height:72px}.study-library input::placeholder,.study-library textarea::placeholder{color:#829bb0}.library-note{font-size:12px;color:#9eb5c5;margin:13px 0 0}
.add-questions{margin-top:19px;border-top:1px solid #345064;padding-top:17px}.add-questions summary{width:max-content;max-width:100%;color:var(--teal);font:700 13px 'Space Grotesk';cursor:pointer}.add-questions form{display:grid;gap:16px;margin-top:20px}.study-form-actions{display:flex;align-items:center;gap:15px;flex-wrap:wrap}.study-form-actions span{font-size:12px;color:var(--orange)}.custom-question-list{margin-top:20px}.custom-question-list>p{font-size:12px;color:var(--muted)}.custom-question-row{display:flex;justify-content:space-between;align-items:center;gap:18px;padding:12px 0;border-top:1px solid #30495b;font-size:12px;color:#b8ceda;overflow-wrap:anywhere}.custom-question-row strong{color:var(--ink)}.custom-question-row button{flex:none;background:transparent;border:1px solid #6f4e5c;border-radius:7px;color:var(--pink);padding:7px 10px;font-size:11px}
@media(max-width:700px){.study-library{padding:20px 17px}.study-library-heading h2{font-size:23px}.study-filters,.study-form-grid{grid-template-columns:1fr}.scope-count{font-size:11px}.library-note{display:block}}

/* Question headings receive focus for announcements, without a browser focus box. */
.question-card h2[tabindex="-1"]:focus{outline:none}