:root{--bg:#020b18;--bg2:#06142b;--panel:#07182e;--panel2:#0a1d38;--line:#174a86;--line2:#167cff;--blue:#087cff;--blue2:#10a5ff;--cyan:#23d9ff;--red:#ff3f55;--green:#17e6a0;--gold:#ffd12f;--purple:#7b32e5;--muted:#8ea9cf;--text:#f7f9ff;--mono:'DM Mono',monospace;--sans:'DM Sans',sans-serif;--display:'Barlow Condensed',Impact,sans-serif}
*{box-sizing:border-box}html{background:var(--bg);scroll-behavior:smooth}body{margin:0;min-height:100vh;background:radial-gradient(circle at 50% -10%,#0a2a62 0,#051733 26%,var(--bg) 62%) fixed;color:var(--text);font-family:var(--sans);overflow-x:hidden}body:before,body:after{content:"";position:fixed;z-index:-1;pointer-events:none;border-radius:50%;filter:blur(1px)}body:before{width:115vw;height:70vw;left:-8vw;top:33vh;border:2px solid rgba(15,94,255,.17);box-shadow:0 0 60px rgba(0,82,255,.1)}body:after{width:95vw;height:55vw;left:3vw;top:65vh;border:2px solid rgba(16,91,255,.12)}
button,a,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{opacity:.5;cursor:not-allowed}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--cyan);outline-offset:4px}
.site-header{height:88px;max-width:1450px;margin:auto;display:flex;align-items:center;gap:22px;padding:0 42px;border-bottom:1px solid rgba(109,156,213,.16);background:rgba(2,11,24,.72);backdrop-filter:blur(18px);position:relative;z-index:20}.menu-button{min-width:82px;height:44px;background:transparent;border:0;padding:8px 6px;display:flex;align-items:center;gap:8px;color:#fff;font-weight:800;font-size:14px}.menu-button .menu-icon{font-size:24px;line-height:1}.menu-button .menu-label{line-height:1}.brand{font-family:var(--display);font-weight:900;font-style:italic;font-size:43px;letter-spacing:-1.5px;color:#fff;text-decoration:none;text-shadow:0 0 16px rgba(255,255,255,.12)}.brand span{color:var(--red)}.edition{font:500 12px var(--mono);letter-spacing:3px;color:#8fb2e6}.textbutton{margin-left:auto;background:transparent;border:1px solid #6486b4;border-radius:999px;color:#fff;min-height:44px;padding:11px 21px;font-weight:700}.textbutton:hover{border-color:var(--blue2);box-shadow:0 0 18px rgba(20,137,255,.2)}
.layout{max-width:1450px;margin:26px auto 0;display:grid;grid-template-columns:150px minmax(0,1fr) 220px;gap:30px;padding:0 42px}.layout main{min-width:0}.ad{min-height:540px;border:1px solid rgba(59,103,160,.24);border-radius:18px;color:#546d91;display:flex;flex-direction:column;justify-content:flex-start;padding:18px 12px;text-align:center;background:rgba(4,18,38,.32)}.ad span,.bottom-ad span{font:500 9px var(--mono);letter-spacing:2px}.eyebrow{display:flex;justify-content:space-between;gap:12px;font:500 11px var(--mono);letter-spacing:1.7px;color:#7e9dcc;margin:0 0 16px}.scoring-strip{display:none}.bottom-ad{height:92px;display:grid;place-items:center;border:1px solid rgba(43,104,179,.38);border-radius:16px;margin:24px 0;color:#5f7da7;background:rgba(6,22,45,.52)}body.is-pro .ad,body.is-pro .bottom-ad{display:none}body.is-pro .layout{grid-template-columns:minmax(0,1fr);max-width:1050px}footer{display:flex;justify-content:space-between;gap:20px;font:500 10px var(--mono);letter-spacing:1px;color:#7894ba;padding:0 4px 24px}footer b{color:var(--red)}footer strong{color:var(--blue2)}footer span{color:#4e6b92}
#connectionStatus{color:#ff8795;text-align:center;font:500 13px var(--mono)}
.hero,.screen{background:linear-gradient(145deg,rgba(8,27,55,.94),rgba(3,15,33,.98));border:1px solid rgba(35,114,218,.58);border-radius:28px;padding:34px;position:relative;overflow:hidden;box-shadow:0 0 0 1px rgba(0,126,255,.04),0 24px 70px rgba(0,0,0,.3)}.hero:before,.screen:before{content:"";position:absolute;inset:-1px;pointer-events:none;border-radius:inherit;background:radial-gradient(circle at 50% 0,rgba(24,108,255,.13),transparent 43%)}
.label{font:500 12px var(--mono);letter-spacing:2px;color:#84afe8}.screen-title{font:800 clamp(40px,6vw,70px) var(--display);line-height:.96;letter-spacing:-.5px;margin:14px 0 28px}.screen-title br{display:block}.screen p{color:#afc2de;line-height:1.7}.screen h3{margin-top:30px}.screen a{color:#52a8ff}.legal-updated{font-family:var(--mono);font-size:12px}
/* landing */
.landing{border:0;background:transparent;box-shadow:none;padding:20px 0 12px;overflow:visible}.landing:before{display:none}.landing-hero{text-align:center;padding:8px 10px 22px}.landing-logo{font:900 clamp(72px,11vw,126px)/.8 var(--display);font-style:italic;letter-spacing:-4px;margin:8px 0 28px;text-shadow:0 8px 35px rgba(255,255,255,.1)}.landing-logo .o{color:var(--red)}.landing-tagline{font-weight:800;font-size:clamp(24px,3.8vw,38px);margin:0;color:#e7eefb}.landing-tagline .wrong-word{color:var(--red)}.landing-tagline .right-word{color:var(--green)}.feature-row{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:30px auto 25px;max-width:820px}.feature-item{display:flex;align-items:center;gap:10px;text-align:left;padding:12px 10px}.feature-icon{font-size:29px;filter:drop-shadow(0 0 10px rgba(27,132,255,.45))}.feature-item strong{display:block;font-size:14px}.feature-item span{font-size:12px;color:#91a9c9}.landing .primary.play-cta{max-width:560px;margin:auto;font:700 clamp(20px,3vw,29px) var(--mono);padding:22px 28px}.landing-actions{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;max-width:780px;margin:22px auto}.signin-save-cta{display:block;width:min(390px,88%);margin:14px auto 0;border:1px solid #56baff;background:linear-gradient(180deg,#087be9,#075dc5);color:#fff;border-radius:999px;padding:12px 20px;font:700 14px var(--mono);box-shadow:0 0 16px rgba(0,117,255,.22);transition:.16s transform,.16s filter}.signin-save-cta:hover{filter:brightness(1.08);transform:translateY(-1px)}.signin-save-note,.signed-in-status{text-align:center;font:400 11px var(--mono);color:#849fc3;margin:9px 0 0}.signed-in-status strong{color:#c8dcf7;font-weight:600}.mini-nav{border:1px solid #315882;background:rgba(7,25,51,.8);color:white;border-radius:16px;padding:15px;display:flex;align-items:center;justify-content:center;gap:10px;font-weight:700}.mini-nav:hover{border-color:var(--blue2);background:#0a2a55}.mini-nav .gold{color:var(--gold)}.mini-nav .blue{color:#52a9ff}
.example-card,.score-card{margin-top:22px;background:linear-gradient(145deg,rgba(7,25,50,.94),rgba(5,16,35,.98));border:1px solid #274f7c;border-radius:22px;padding:24px;box-shadow:0 16px 50px rgba(0,0,0,.2)}.example-head,.score-head{display:flex;justify-content:space-between;font:500 11px var(--mono);letter-spacing:1.8px;color:#84a9da}.example-question{font:600 clamp(20px,3vw,31px) var(--mono);text-align:left;margin:24px 0}.example-question .wrong{color:white;text-decoration-color:var(--red)}.example-answers{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.example-choice{border:1px solid #385d88;border-radius:13px;background:rgba(10,29,56,.62);padding:16px 8px;color:#aabed9;font:500 15px var(--mono);cursor:default;user-select:none}.example-choice:before{content:"EXAMPLE";display:block;font:500 8px var(--mono);letter-spacing:1px;color:#607fa8;margin-bottom:5px}.example-choice.correct:before{color:rgba(255,255,255,.72)}.example-choice.correct{background:linear-gradient(180deg,#0fc875,#0b9c5b);border-color:#2ef2a2;color:white;box-shadow:0 0 18px rgba(23,230,160,.25)}
.score-card{padding:20px 24px}.score-grid{display:grid;grid-template-columns:repeat(5,1fr) 1.5fr;gap:10px;align-items:stretch;margin-top:16px}.score-step{border:1px solid #274f7c;border-radius:13px;padding:12px 6px;text-align:center;font-family:var(--mono)}.score-step b{display:block;color:white}.score-step .plus{display:block;color:var(--green);font-weight:700;margin-top:8px}.score-step .minus{display:block;color:var(--red);font-weight:700;margin-top:3px}.speed-box{display:flex;align-items:center;gap:10px;padding:10px 14px;border-left:1px solid #274f7c;color:#9eb5d4;text-align:left}.speed-box strong{color:var(--blue2);font-size:18px}.speed-box .bolt{font-size:36px;color:var(--blue2)}.tier-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:22px}.tier-card{border:1px solid #1b5ca6;background:linear-gradient(145deg,#0a274d,#07182e);border-radius:22px;padding:24px}.tier-card.pro{border-color:#6931a1;background:linear-gradient(145deg,#22113d,#110b27)}.tier-title{font-size:25px;font-weight:800;display:flex;gap:10px;align-items:center}.tier-card ul{padding:0;margin:18px 0 22px;list-style:none;color:#b6c9e2;line-height:1.9}.tier-card li:before{content:"✓";color:#43a4ff;margin-right:10px}.tier-card.pro li:before{color:var(--gold)}
/* buttons */
.primary{border:1px solid #66d7ff;background:linear-gradient(180deg,#0d83ff,#0565f5);color:white;padding:17px 24px;border-radius:999px;font-weight:800;font-size:16px;width:100%;box-shadow:0 0 22px rgba(0,117,255,.35),inset 0 1px 0 rgba(255,255,255,.2);transition:.16s transform,.16s filter}.primary:hover{filter:brightness(1.08);transform:translateY(-1px)}.secondary{border:1px solid #3268a7;background:rgba(7,25,52,.9);color:white;padding:14px 19px;border-radius:999px;font-weight:700;width:100%;margin-top:12px}.secondary:hover{border-color:var(--blue2);background:#0a2a55}.hint{text-align:center;font:400 12px var(--mono);color:#849fc3;margin:16px 0 0}.link-button{border:0;background:none;color:#79b9ff;padding:0}.about-legal-links{text-align:center;margin-top:28px}.preview-note{border:1px solid #654d18;background:#2e250d;color:#ffdc72;padding:14px;border-radius:12px;margin:16px 0}
/* gameplay */
.game-shell{background:transparent;border:0;box-shadow:none;padding:0;overflow:visible}.game-shell:before{display:none}.game-topline{display:flex;justify-content:space-between;align-items:center;color:#96b2d8;font:500 12px var(--mono);letter-spacing:1px;margin:0 12px 16px}.q-counter{font:800 24px var(--sans);color:#fff}.hud{display:grid;grid-template-columns:1fr 1fr;align-items:center;margin-bottom:22px;border:1px solid #24589c;border-radius:22px;background:rgba(8,27,56,.9);overflow:hidden}.score-hud,.timer-hud{min-height:124px;padding:22px 28px;display:flex;align-items:center;gap:18px}.score-hud{border-right:1px solid #24589c}.trophy{font-size:42px}.hud small{display:block;color:#86a6d2;font:500 11px var(--mono);letter-spacing:1.7px}.hud strong{font:800 45px var(--sans)}.timer-ring{--pct:100;position:relative;width:86px;height:86px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--blue2) calc(var(--pct)*1%),#173458 0);box-shadow:0 0 25px rgba(0,135,255,.35)}.timer-ring:before{content:"";position:absolute;inset:7px;border-radius:50%;background:#071a37}.clock{position:relative;z-index:2;color:white!important;font:800 28px var(--sans)!important;font-variant-numeric:tabular-nums}.clock.urgent{color:#ff6376!important}.track{height:3px;background:#123159;border-radius:5px;overflow:hidden;margin:-8px 12px 20px}.track div{height:100%;background:linear-gradient(90deg,var(--blue),var(--cyan));width:100%;transition:width .05s linear}.question-card{border:1px solid var(--blue2);border-radius:30px;padding:36px;background:linear-gradient(145deg,rgba(7,25,52,.97),rgba(3,13,30,.98));box-shadow:0 0 28px rgba(0,121,255,.22),inset 0 0 30px rgba(0,100,255,.06)}.question-meta{text-align:center;color:#7fa9de;font:500 11px var(--mono);letter-spacing:1.7px}.question{font-weight:800;font-size:clamp(28px,4.2vw,50px);line-height:1.14;min-height:0;margin:22px auto 32px;text-align:center;max-width:760px}.wrong{color:var(--red);text-decoration:underline;text-decoration-thickness:3px;text-underline-offset:8px}.answers{display:grid;grid-template-columns:1fr 1fr;gap:14px}.answer{display:flex;gap:14px;align-items:center;justify-content:center;text-align:center;color:white;background:#071a35;border:1px solid #1678dc;border-radius:18px;padding:20px;font-weight:800;font-size:18px;min-height:72px;box-shadow:inset 0 0 18px rgba(15,105,255,.04)}.answer:hover,.answer:active,.answer:focus{background:#071a35;border-color:#1678dc;box-shadow:inset 0 0 18px rgba(15,105,255,.04)}.answer:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}.answer kbd{display:none}.game-bonus{margin:16px 0 0;border:1px solid #214c84;border-radius:18px;background:rgba(6,24,49,.8);padding:15px;text-align:center;font:500 13px var(--mono);color:#91acd0}.game-bonus strong{color:var(--blue2)}.progress-dots{display:flex;justify-content:center;gap:14px;margin:18px}.progress-dots span{width:14px;height:14px;border:2px solid #265a99;border-radius:50%}.progress-dots span.active{background:var(--blue2);box-shadow:0 0 14px var(--blue2)}.progress-dots span.done{background:#174c83}.result-stamp{font:900 clamp(54px,8vw,84px) var(--display);margin:20px 0 5px;color:var(--green);text-align:center}.bad{color:var(--red)!important}.good{color:var(--green)!important}.points{font:900 80px var(--display);margin:0;text-align:center}.explain{min-height:70px;font-size:17px;line-height:1.6;color:#bed0e8;text-align:center;max-width:700px;margin:18px auto}.summary-score{font:900 clamp(70px,11vw,110px) var(--display);color:white;text-shadow:0 0 24px rgba(26,128,255,.25)}.summary-score small{font:500 14px var(--mono);color:#8faad0}.dots{display:flex;gap:9px;margin:22px 0}.dot{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:rgba(18,219,143,.12);border:1px solid var(--green);color:var(--green);font-weight:900}.dot.bad{background:rgba(255,63,85,.1);border-color:var(--red)}
/* generic rows / leaderboard */
.row{display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid rgba(57,91,134,.45);padding:14px 4px;font-family:var(--mono)}.row small{display:block;color:#7896bf;margin-top:4px}.pinned{display:flex;align-items:center;justify-content:space-between;gap:20px;background:linear-gradient(90deg,rgba(7,79,176,.75),rgba(6,31,71,.82));border:1px solid var(--blue2);box-shadow:0 0 24px rgba(0,126,255,.25);border-radius:20px;padding:22px 26px;margin:22px 0;font-family:var(--mono)}.pinned span{font-size:20px}.pinned span:first-letter{}.pinned b{font-size:22px;color:#39a8ff}.segmented{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:10px 0}.segmented button{border:1px solid #285b97;background:#071a35;color:#9bb3d5;border-radius:999px;padding:13px 14px;font-family:var(--mono)}.segmented button:hover{border-color:var(--blue2);color:white}.date-nav{display:flex;justify-content:center;align-items:center;gap:22px;margin:18px 0}.date-nav button{width:48px;height:48px;border-radius:50%;border:1px solid #1b75df;background:#071a35;color:white;font-size:22px}.date-nav b{font:600 18px var(--mono)}
/* forms/auth/account */
form label{display:block;color:#c2d3e8;font-weight:700;margin:18px 0 8px}input[type=email],input[type=text],input:not([type]){width:100%;border:1px solid #1d78e8;background:#061833;color:white;border-radius:15px;padding:17px 18px;font:500 16px var(--mono);margin-bottom:10px}.provider{width:100%;min-height:62px;border-radius:17px;margin:10px 0;border:1px solid #2d68a9;font-weight:800;font-size:17px}.provider.google{background:white;color:#111}.provider.apple{background:#050505;color:white}.provider-mark{margin-right:10px}.google-mark{color:#4285f4;font-weight:900}.divider{display:flex;align-items:center;gap:14px;color:#7fa3d1;font:500 11px var(--mono);letter-spacing:2px;margin:24px 0}.divider:before,.divider:after{content:"";height:1px;background:#31567f;flex:1}.plans{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:20px 0}.plans label{border:1px solid #2b5d99;border-radius:18px;padding:18px;margin:0}.plans input{margin-right:8px}.stat-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin:20px 0}.stat-grid>div{border:1px solid #274e7a;border-radius:14px;padding:14px;text-align:center}.stat-grid small{display:block;color:#7e9fc9}.stat-grid strong{display:block;font-size:24px;margin-top:6px}.group-card{width:100%;display:flex;justify-content:space-between;gap:20px;border:1px solid #275d9a;background:#071a35;color:white;border-radius:14px;padding:17px;margin:10px 0}.chart{height:130px;display:flex;align-items:flex-end;gap:8px;border-bottom:1px solid #345276;padding:8px}.bar-slot{height:110px;flex:1;position:relative;text-align:center}.bar{position:absolute;left:20%;right:20%;min-height:2px}.bar-slot small{position:absolute;bottom:-22px;left:0;right:0;color:#7898c0}
table{width:100%;border-collapse:collapse;margin:20px 0}td,th{padding:12px;border-bottom:1px solid #29486e;text-align:left}th{color:#8eb4e5;font:500 11px var(--mono);letter-spacing:1px}
/* dialogs */
dialog{background:linear-gradient(145deg,#071b37,#030d1e);color:white;border:1px solid #167cff;border-radius:24px;box-shadow:0 30px 100px #000;padding:30px;max-width:580px;width:calc(100% - 34px)}dialog::backdrop{background:rgba(0,4,12,.82);backdrop-filter:blur(8px)}dialog .close{float:right;border:0;background:none;color:#9bb8df;font-size:30px}#navigation nav{display:grid;grid-template-columns:1fr 1fr;gap:10px}#navigation nav button{background:#071a35;border:1px solid #265d9a;color:white;border-radius:13px;padding:14px;text-align:left}#navigation nav button:hover{border-color:var(--blue2);background:#0a2c59}
.review{margin-top:20px;border-top:1px solid #28466e;padding-top:18px;color:#9db4d2}.review summary{cursor:pointer;color:white;font-weight:700}
@media(max-width:1120px){.layout{grid-template-columns:minmax(0,1fr);max-width:980px}.ad-left,.ad-right{display:none}.bottom-ad{display:grid}}
@media(max-width:760px){.site-header{height:74px;padding:0 18px;gap:14px}.brand{font-size:34px}.edition{font-size:9px;letter-spacing:2px}.textbutton{padding:8px 13px;font-size:12px}.layout{margin-top:16px;padding:0 14px}.eyebrow{padding:0 4px}.eyebrow span:last-child{display:none}.hero,.screen{padding:22px 18px;border-radius:22px}.landing{padding:6px 0}.landing-logo{font-size:76px;margin:8px 0 20px}.landing-tagline{font-size:21px}.feature-row{grid-template-columns:1fr 1fr;margin-top:22px}.feature-item{justify-content:center}.landing-actions{grid-template-columns:1fr}.example-answers{grid-template-columns:1fr 1fr}.score-grid{grid-template-columns:repeat(5,1fr);gap:5px}.score-step{padding:10px 2px;font-size:11px}.speed-box{grid-column:1/-1;border-left:0;border-top:1px solid #274f7c;justify-content:center}.tier-grid{grid-template-columns:1fr}.hud{grid-template-columns:1fr}.score-hud{border-right:0;border-bottom:1px solid #24589c}.score-hud,.timer-hud{min-height:94px;padding:15px 18px}.timer-ring{width:68px;height:68px}.question-card{padding:24px 16px;border-radius:23px}.question{font-size:30px}.answers{grid-template-columns:1fr}.answer{min-height:62px}.screen-title{font-size:49px}.pinned{padding:18px 16px}.pinned span{font-size:16px}.stat-grid{grid-template-columns:1fr 1fr}.plans{grid-template-columns:1fr}#navigation nav{grid-template-columns:1fr}.bottom-ad{height:78px}footer{font-size:8px}}
@media(max-width:420px){.edition{display:none}.feature-row{grid-template-columns:1fr 1fr}.feature-icon{font-size:24px}.feature-item strong{font-size:12px}.example-card,.score-card{padding:18px 14px}.landing .primary.play-cta{font-size:17px;padding:19px}.question{font-size:27px}.timer-hud{gap:12px}.hud strong{font-size:35px}}


/* Desktop gameplay scale pass — keep the neon look, fit more of a round above the fold. */
@media (min-width:1121px){
  .game-shell{max-width:1120px;margin-left:auto;margin-right:auto}
  .game-topline{margin:0 10px 10px}
  .q-counter{font-size:21px}
  .hud{margin-bottom:16px;border-radius:18px}
  .score-hud,.timer-hud{min-height:100px;padding:15px 22px;gap:15px}
  .trophy{font-size:36px}
  .hud strong{font-size:38px}
  .timer-ring{width:72px;height:72px}
  .timer-ring:before{inset:6px}
  .clock{font-size:24px!important}
  .track{margin:-5px 10px 14px}
  .progress-dots{gap:11px;margin:12px}
  .progress-dots span{width:12px;height:12px}
  .question-card{border-radius:24px;padding:26px 30px}
  .question-meta{font-size:10px}
  .question{font-size:clamp(28px,3.45vw,42px);margin:16px auto 22px;max-width:720px}
  .answers{gap:11px}
  .answer{min-height:58px;padding:14px 18px;border-radius:15px;font-size:16px}
  .game-bonus{margin-top:12px;padding:12px;font-size:12px}
  .bottom-ad{height:78px;margin:18px 0}
}

@media (min-width:1121px) and (max-height:900px){
  .site-header{height:76px}
  .layout{margin-top:18px}
  .game-topline{margin-bottom:8px}
  .score-hud,.timer-hud{min-height:90px;padding:12px 20px}
  .timer-ring{width:66px;height:66px}
  .question-card{padding:22px 26px}
  .question{font-size:clamp(27px,3.1vw,38px);margin:13px auto 18px}
  .answer{min-height:54px;padding:12px 16px}
  .progress-dots{margin:10px}
}


/* SEO landing pages */
.seo-footer-nav{display:flex;flex-wrap:wrap;justify-content:center;gap:10px 20px;margin:24px 0 18px;padding:18px 12px;border-top:1px solid rgba(53,100,158,.28);border-bottom:1px solid rgba(53,100,158,.28)}
.seo-footer-nav a{color:#91b2dc;text-decoration:none;font:500 11px var(--mono);letter-spacing:.5px;min-height:44px;display:inline-flex;align-items:center;padding:8px 2px}.seo-footer-nav a:hover{color:white}
.seo-header .brand{margin-left:0}.seo-play-top{display:inline-flex;text-decoration:none;align-items:center;justify-content:center}
.seo-page{width:min(980px,calc(100% - 32px));margin:44px auto 0}
.seo-hero{text-align:center;padding:56px 28px;border:1px solid rgba(35,114,218,.58);border-radius:30px;background:linear-gradient(145deg,rgba(8,27,55,.94),rgba(3,15,33,.98));box-shadow:0 24px 70px rgba(0,0,0,.3),0 0 32px rgba(0,126,255,.08)}
.seo-hero h1{font:900 clamp(48px,8vw,82px)/.95 var(--display);letter-spacing:-1px;margin:14px auto 24px;max-width:850px}
.seo-lead{font-size:19px;line-height:1.7;color:#b8cae2;max-width:760px;margin:0 auto}
.seo-hero-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-top:30px}.seo-hero-actions .primary,.seo-hero-actions .secondary,.seo-cta .primary{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;min-width:190px}
.seo-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:28px 0}.seo-card{border:1px solid #245991;border-radius:22px;background:linear-gradient(145deg,rgba(7,25,52,.96),rgba(3,13,30,.98));padding:28px}.seo-card:last-child:nth-child(odd){grid-column:1/-1}.seo-card h2{font:800 30px/1.05 var(--display);margin:0 0 14px}.seo-card p{margin:0;color:#afc2de;line-height:1.72}
.seo-faq-wrap{margin:36px 0;padding:32px;border:1px solid #245991;border-radius:24px;background:rgba(5,20,43,.78)}.seo-faq-wrap>h2{font:800 42px var(--display);margin:8px 0 20px}.seo-faq{border-top:1px solid #274b76;padding:18px 0}.seo-faq:last-child{border-bottom:1px solid #274b76}.seo-faq summary{cursor:pointer;font-weight:800}.seo-faq p{color:#afc2de;line-height:1.65;margin:12px 0 0}
.seo-cta{text-align:center;margin:36px 0;padding:40px 24px;border:1px solid var(--blue2);border-radius:24px;background:radial-gradient(circle at 50% 0,rgba(25,114,255,.18),rgba(6,23,49,.92) 55%)}.seo-cta h2{font:900 46px/1 var(--display);margin:0 0 12px}.seo-cta p{color:#afc2de;margin:0 0 22px}.seo-site-footer{width:min(980px,calc(100% - 32px));margin:0 auto;display:flex;justify-content:space-between;gap:20px;font:500 10px var(--mono);letter-spacing:1px;color:#7894ba;padding:0 4px 28px}.seo-site-footer b{color:var(--red)}.seo-site-footer strong{color:var(--blue2)}
@media(max-width:760px){.seo-header{justify-content:space-between}.seo-header .edition{display:none}.seo-page{margin-top:20px}.seo-hero{padding:38px 18px}.seo-hero h1{font-size:50px}.seo-lead{font-size:17px}.seo-grid{grid-template-columns:1fr}.seo-card:last-child:nth-child(odd){grid-column:auto}.seo-card{padding:22px}.seo-faq-wrap{padding:24px 20px}.seo-site-footer{font-size:8px}.seo-footer-nav{gap:10px 14px}}

/* QA polish */
.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
.bottom-ad{width:100%;max-width:100%;box-sizing:border-box;overflow:hidden}.bottom-ad .ad-mount,.wrong-adsense-bottom{width:100%!important;max-width:100%!important;box-sizing:border-box}
.segmented button.active{background:linear-gradient(180deg,#0b55c7,#073582);border-color:#51c6ff;color:#fff;box-shadow:0 0 16px rgba(0,126,255,.22)}
.plans label span{display:block;margin-top:7px;line-height:1.45}
@media(max-width:760px){
 .layout{width:100%;max-width:100%;box-sizing:border-box;padding:0 12px;overflow:hidden}
 .layout main,.game-shell,.question-card{width:100%;max-width:100%;box-sizing:border-box}
 .eyebrow{margin-bottom:10px}.scoring-strip{margin-bottom:12px}
 .game-topline{margin:0 4px 10px}.game-topline>span:first-child{font-size:9px}.q-counter{font-size:20px}
 .hud{grid-template-columns:1fr 1fr;margin-bottom:12px;border-radius:18px}
 .score-hud,.timer-hud{min-height:78px;padding:10px 12px;gap:10px}.score-hud{border-right:1px solid #24589c;border-bottom:0}
 .trophy{font-size:28px}.hud strong{font-size:32px}.hud small{font-size:9px}.timer-ring{width:58px;height:58px}.timer-ring:before{inset:6px}.clock{font-size:22px!important}
 .track{margin:-3px 5px 10px}.progress-dots{margin:10px;gap:10px}.progress-dots span{width:11px;height:11px}
 .question-card{padding:18px 12px;border-radius:20px}.question-meta{font-size:9px}.question{font-size:clamp(23px,7vw,29px);margin:14px auto 18px}
 .answers{grid-template-columns:1fr 1fr;gap:9px}.answer{min-height:54px;padding:11px 8px;border-radius:14px;font-size:16px}
 .game-bonus{margin-top:10px;padding:10px;font-size:10px}.bottom-ad{height:72px;margin:14px 0}
}
@media(max-width:390px){.site-header{padding:0 12px}.brand{font-size:31px}.answers{gap:7px}.answer{font-size:15px;padding:9px 6px}.question-card{padding:16px 10px}}

/* Reserve space only while the initial session/round is loading. */
body.booting #app{min-height:620px}
@media(max-width:760px){body.booting #app{min-height:560px}}
/* Answers remain unfilled before submission; interaction feedback is border-only. */
@media(hover:hover) and (pointer:fine){.answer:hover{background:#071a35;border-color:#51c6ff;box-shadow:inset 0 0 18px rgba(15,105,255,.04),0 0 0 1px rgba(81,198,255,.12)}}
.answer:active{background:#071a35;border-color:#51c6ff;transform:translateY(1px)}

/* QA v7 cleanup */
.seo-footer{max-width:1100px;margin:24px auto 40px;padding:12px 24px;display:flex;justify-content:center;flex-wrap:wrap;gap:8px 20px}.seo-footer a{color:#9fc7ff;min-height:44px;display:inline-flex;align-items:center;text-decoration:none}.seo-footer a:hover{color:#fff}.legal-public a{color:#79b9ff}.seo-page details summary{min-height:44px;display:flex;align-items:center;cursor:pointer}.bottom-ad ins,.bottom-ad iframe{max-width:100%!important}.bottom-ad{overflow:visible;max-width:100%}@media(max-width:600px){.seo-header .brand{min-height:44px;display:flex;align-items:center}.seo-header .edition{display:none}.seo-play-top{min-width:112px}.bottom-ad{width:100%;padding-left:6px;padding-right:6px}}

/* v8 final QA cleanup */
@media(min-width:1121px){.ad-left,.ad-right{align-self:start;position:sticky;top:18px}.ad-left .ad-mount,.ad-right .ad-mount{margin-top:18px}}
.seo-page a[href^="mailto:"]{color:#79b9ff}
@media(max-width:760px){.site-header .brand{min-height:44px;min-width:88px;display:inline-flex;align-items:center}}
/* Initial shell mirrors the finished hero footprint to prevent boot-to-home CLS. */
.boot-shell{min-height:700px;padding:28px 10px 22px;text-align:center}.boot-logo{font:900 clamp(72px,11vw,126px)/.8 var(--display);font-style:italic;letter-spacing:-4px;margin:8px 0 28px}.boot-logo .o{color:var(--red)}.boot-tagline{font-weight:800;font-size:clamp(24px,3.8vw,38px);margin:0;color:#e7eefb}.boot-features{height:78px;max-width:820px;margin:30px auto 25px}.boot-cta{height:70px;max-width:560px;margin:auto;border-radius:999px;background:linear-gradient(180deg,#0d83ff,#0565f5);opacity:.35}.boot-actions{height:52px;max-width:780px;margin:22px auto}.boot-lower{height:260px;margin-top:22px}
@media(max-width:760px){.boot-shell{min-height:720px;padding-top:20px}.boot-features{height:150px}.boot-lower{height:220px}}

/* All-Time career leaderboard */
.career-head,.career-board-row{display:grid;grid-template-columns:minmax(0,1.6fr) .55fr .75fr .45fr;gap:10px;align-items:center}.career-head{padding:12px 16px 6px;color:#8eb4e5;font:500 10px var(--mono);letter-spacing:1px}.career-head span:not(:first-child),.career-board-row>*:not(:first-child){text-align:right}.career-row{display:grid;grid-template-columns:1fr auto;gap:4px 14px;align-items:center}.career-row small{grid-column:1/-1;color:#8eb4e5}.career-board-row b{color:#f6f8ff}@media(max-width:520px){.career-head,.career-board-row{grid-template-columns:minmax(0,1.45fr) .55fr .7fr .4fr;gap:6px;font-size:12px}.career-head{font-size:8px;padding-left:8px;padding-right:8px}.career-board-row{padding-left:8px;padding-right:8px}}

/* Email-code delivery hint */
.inbox-junk{display:inline-block;margin-left:.28em;font-size:.22em;font-weight:500;letter-spacing:.01em;color:var(--muted);vertical-align:middle;white-space:nowrap}
@media(max-width:600px){.inbox-junk{font-size:.24em;margin-left:.25em}}

.admin-summary{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;margin:16px 0}.admin-stat{padding:12px;border:1px solid rgba(109,156,213,.25);border-radius:12px;background:rgba(8,25,48,.7)}.admin-stat b{display:block;font-size:22px}.admin-stat span{font-size:11px;color:#9fb4d1}.admin-user{display:grid;grid-template-columns:minmax(160px,1.4fr) minmax(100px,.7fr) minmax(110px,.8fr) minmax(90px,.7fr) auto;gap:8px;align-items:center;padding:10px 0;border-bottom:1px solid rgba(109,156,213,.15);font-size:13px}.admin-user small{color:#9fb4d1}.admin-search{margin:14px 0}@media(max-width:760px){.admin-summary{grid-template-columns:repeat(2,1fr)}.admin-user{grid-template-columns:1fr auto}.admin-user .admin-secondary{display:none}}

/* Visible navigation replaces the modal menu and duplicated footer links. */
.top-navigation{max-width:1450px;margin:0 auto;padding:12px 42px 10px;border-bottom:1px solid rgba(109,156,213,.16)}
.game-navigation,.info-navigation{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:6px 10px}
.game-navigation button,.game-navigation a{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:8px 13px;border:1px solid #265d9a;border-radius:10px;background:#071a35;color:#f7f9ff;text-decoration:none;font-size:14px;font-weight:600}
.game-navigation button:hover,.game-navigation a:hover{border-color:var(--blue2);background:#0a2c59}
.game-navigation [aria-current="page"]{border-color:var(--cyan);color:var(--cyan)}
.info-navigation{margin-top:8px;gap:2px 17px}.info-navigation a{display:inline-flex;align-items:center;min-height:36px;padding:6px 0;color:#91b2dc;text-decoration:none;font:500 11px var(--mono)}
.info-navigation a:hover,.info-navigation [aria-current="page"]{color:white}
.top-navigation [hidden]{display:none}.top-navigation a[aria-disabled="true"]{opacity:.5;cursor:not-allowed}
@media(max-width:760px){.top-navigation{padding:10px 14px}.game-navigation{gap:6px}.game-navigation button,.game-navigation a{min-height:38px;padding:7px 9px;font-size:12px}.info-navigation{gap:0 12px;margin-top:6px}.info-navigation a{min-height:32px;font-size:10px}}

/* Keep the game focused during a round on every screen size. */
body.playing-round #topNavigation{display:none}
@media(max-width:760px){
 body.playing-round .site-header{height:52px;padding:0 14px}
 body.playing-round .site-header .brand{font-size:29px}
 body.playing-round .site-header .edition{display:none}
 body.playing-round .layout{margin-top:8px}
}

/* Quiet creator attribution below the site signature. */
.footer-signature{display:flex;flex-direction:column;align-items:flex-end;gap:8px}
.creator-credit{display:block;color:#7894ba;font:400 11px/1.5 var(--sans);letter-spacing:0;text-transform:none}
.creator-credit a{color:#a9c8ed;text-decoration:none;display:inline-block;padding:5px 0}
.creator-credit a:hover{text-decoration:underline;color:white}
.creator-footer{display:block;text-align:center;margin:20px auto 30px;padding:0 16px}
.screen .creator-credit{margin-top:20px}