:root{--navy:#0c1230;--navy2:#171d43;--text:#f8f6ff;--muted:#abb5d3;--mint:#55e8ca;--pink:#ff85ae;--yellow:#ffd56e;--blue:#8ea7ff;--border:rgba(197,207,255,.17);--surface:rgba(20,27,64,.86);--card:rgba(29,36,80,.82);--shadow:0 24px 85px rgba(2,5,25,.42);font-family:Tahoma,'Segoe UI',Arial,sans-serif;font-size:16px}
*{box-sizing:border-box}html{min-height:100%;scroll-behavior:smooth}body{margin:0;color:var(--text);min-height:100vh;min-height:100dvh;background:radial-gradient(ellipse at 80% 0%,#283166 0,transparent 45%),radial-gradient(ellipse at 12% 95%,#1a3457 0,transparent 46%),#0c1230;overflow-x:hidden;-webkit-tap-highlight-color:transparent}button,input{font:inherit}button{cursor:pointer}button:disabled{cursor:default;opacity:.52}button:focus-visible,input:focus-visible,a:focus-visible{outline:3px solid var(--yellow);outline-offset:4px}button, input{touch-action:manipulation}a{color:var(--mint)}bdi,.math{unicode-bidi:isolate;direction:ltr}.aurora{position:fixed;inset:auto;pointer-events:none;filter:blur(65px);border-radius:50%;opacity:.24;z-index:0}.aurora-a{width:340px;height:340px;background:#9d4bd8;top:8%;left:-150px}.aurora-b{width:330px;height:330px;background:#2ca3b4;bottom:-190px;right:-120px}.sky-speckles{position:fixed;inset:0;pointer-events:none;opacity:.4;background-image:radial-gradient(circle,#a6b8ff 1px,transparent 1px),radial-gradient(circle,#f9c979 1px,transparent 1px);background-size:126px 128px,211px 193px;background-position:12px 21px,94px 88px;mask-image:linear-gradient(#000,transparent 90%);z-index:0}.app-shell{position:relative;z-index:1;width:min(100% - 40px,1260px);min-height:100dvh;margin:auto;display:flex;flex-direction:column}.masthead{display:flex;justify-content:space-between;gap:16px;align-items:center;padding:23px 0 15px}.reset-button{border:0;background:none;color:inherit}.brand{display:flex;align-items:center;gap:11px;text-align:right;padding:4px 0}.brand-mark{display:grid;place-items:center;width:49px;height:49px;border-radius:18px;background:linear-gradient(145deg,#ffe6a1,#ffc15e);color:#54284e;font-size:31px;box-shadow:0 10px 24px rgba(251,172,70,.23);transform:rotate(-9deg)}.brand-name{display:grid;gap:4px}.brand-name strong{font-size:clamp(17px,2vw,23px);letter-spacing:-.03em}.brand-name small{color:var(--muted);font-size:11px;font-weight:600}.header-actions{display:flex;gap:9px}.control-pill{display:flex;align-items:center;gap:9px;background:rgba(40,48,91,.7);color:var(--text);border:1px solid var(--border);border-radius:15px;min-height:44px;padding:10px 14px;font-size:12px;font-weight:800;transition:background .2s,transform .2s}.control-pill:hover{background:rgba(66,75,128,.75)}.control-pill[aria-pressed=true]{background:rgba(85,232,202,.15);border-color:rgba(85,232,202,.75)}.control-pill span:first-child{font-size:18px}.app-footer{display:flex;flex-wrap:wrap;justify-content:space-between;gap:9px;color:var(--muted);font-size:11px;border-top:1px solid var(--border);padding:17px 0 25px;margin-top:auto}#screen{flex:1;display:flex;flex-direction:column}.card{border:1px solid var(--border);background:var(--surface);box-shadow:var(--shadow);backdrop-filter:blur(18px);border-radius:30px}.eyebrow{font-size:12px;letter-spacing:.02em;font-weight:900;color:var(--mint);display:flex;align-items:center;gap:8px}.eyebrow .tiny-star{color:var(--yellow)}.hero-grid{display:grid;grid-template-columns:1.11fr .89fr;gap:22px;align-items:stretch;margin:18px 0 22px}.hero-content{padding:clamp(26px,4.1vw,60px);display:flex;flex-direction:column;align-items:flex-start;justify-content:center;min-height:510px}.hero-headline{font-size:clamp(37px,4.6vw,69px);line-height:1.35;letter-spacing:-.065em;margin:17px 0 17px}.highlight{color:var(--yellow);display:inline-block}.hero-description{font-size:clamp(15px,1.45vw,19px);line-height:2;color:#cbd3ed;max-width:570px;margin:0 0 27px}.hero-buttons{display:flex;flex-wrap:wrap;gap:11px;width:100%}.button{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:56px;padding:13px 24px;border-radius:17px;font-size:15px;font-weight:900;border:1px solid transparent;text-align:center;transition:transform .18s,filter .18s,background .18s;line-height:1.45}.button:active{transform:scale(.985)}.primary{color:#22203a;background:linear-gradient(125deg,#ffdb82,#ffad7f);box-shadow:0 10px 30px rgba(255,163,110,.2)}.primary:hover{filter:brightness(1.08)}.secondary{color:var(--text);background:rgba(255,255,255,.06);border-color:rgba(202,211,250,.25)}.secondary:hover{background:rgba(255,255,255,.1)}.mint-button{color:#132e37;background:linear-gradient(135deg,#5ae4d0,#86f6bf)}.small-button{font-size:12px;min-height:42px;padding:10px 15px;border-radius:12px}.hero-decoration{position:relative;min-height:510px;overflow:hidden;background:radial-gradient(circle at 45% 42%,rgba(108,100,202,.23),transparent 57%),linear-gradient(160deg,#202952,#101a3b)}.orbit{width:min(72%,400px);aspect-ratio:1;border:1px dashed rgba(174,186,250,.25);border-radius:50%;position:absolute;inset:50% auto auto 50%;transform:translate(-50%,-50%) rotate(-20deg)}.orbit.orbit2{width:90%;border-style:solid;opacity:.25;transform:translate(-50%,-50%) rotate(24deg)}.planet{position:absolute;inset:48% auto auto 50%;transform:translate(-50%,-50%);height:min(54%,275px);aspect-ratio:1;border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;background:radial-gradient(circle at 33% 22%,#fff7c5 0%,#ffd778 23%,#ff9887 60%,#b759bc 100%);color:#403053;box-shadow:inset -18px -18px 28px rgba(80,31,116,.2),0 22px 45px rgba(255,105,168,.26);z-index:1}.planet .planet-star{font-size:70px;line-height:1;filter:drop-shadow(0 9px 3px rgba(90,47,80,.16))}.planet strong{font-size:27px;letter-spacing:-.04em}.planet small{font-size:12px;font-weight:800}.floating-tile{position:absolute;z-index:2;display:grid;place-items:center;min-width:100px;min-height:90px;padding:12px 15px;font-size:35px;font-weight:900;border:1px solid rgba(255,255,255,.25);border-radius:23px;color:#fff;box-shadow:0 15px 35px rgba(4,8,25,.26)}.tile-three{top:10%;right:9%;background:linear-gradient(135deg,#6656c8,#995dd2);transform:rotate(9deg)}.tile-four{bottom:11%;left:7%;background:linear-gradient(140deg,#227d99,#2ebca9);transform:rotate(-9deg)}.glint{position:absolute;z-index:2;font-size:27px;color:var(--yellow)}.glint-a{left:13%;top:17%}.glint-b{right:18%;bottom:17%;color:var(--mint)}.hero-note{display:flex;align-items:center;gap:8px;color:#c6cdec;font-size:12px;margin-top:25px}.journey{margin:0 0 28px;padding:22px 24px 24px}.journey-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:15px}.journey h2{margin:0;font-size:18px}.journey-sub{font-size:12px;color:var(--muted)}.stage-tiles{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:11px}.stage-tile{padding:17px 12px;min-height:126px;background:rgba(35,44,91,.65);border:1px solid var(--border);border-radius:18px;display:flex;flex-direction:column;gap:6px;align-items:center;text-align:center}.stage-tile.active{border-color:rgba(255,213,110,.65);background:rgba(255,213,110,.11)}.stage-icon{font-size:24px}.stage-tile strong{font-size:13px}.stage-tile span:last-child{color:var(--muted);font-size:11px;line-height:1.65}.info-strip{border-top:1px solid var(--border);margin-top:22px;padding-top:16px;display:flex;flex-wrap:wrap;gap:14px 24px;color:var(--muted);font-size:12px}.info-strip strong{color:var(--yellow)}
/* game */
.game-wrap{width:min(100%,1000px);margin:18px auto 36px}.game-top{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:15px}.crumb{color:var(--muted);font-size:13px}.top-stats{display:flex;gap:9px}.stat-pill{border:1px solid var(--border);padding:9px 13px;background:rgba(36,45,90,.77);border-radius:999px;font-size:13px;font-weight:900;white-space:nowrap}.stat-pill.gold{color:var(--yellow)}.roadmap{display:grid;grid-template-columns:repeat(5,1fr);gap:7px;margin:0 0 17px}.road-step{display:flex;justify-content:center;align-items:center;gap:6px;min-height:48px;padding:9px 5px;border:1px solid var(--border);border-radius:13px;background:rgba(29,39,83,.6);color:var(--muted);font-size:12px;font-weight:700;white-space:nowrap}.road-step.active{background:rgba(255,213,110,.14);border-color:rgba(255,213,110,.7);color:#fff}.road-step.done{background:rgba(85,232,202,.1);border-color:rgba(85,232,202,.27);color:#a9ffeb}.road-step .step-emoji{font-size:17px}.game-card{padding:clamp(20px,3.8vw,42px);overflow:hidden;position:relative}.game-card:before{content:"";pointer-events:none;position:absolute;inset:0 0 auto 0;height:4px;background:linear-gradient(90deg,var(--mint),var(--yellow),var(--pink))}.game-meta{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;align-items:center}.phase-badge{font-size:12px;background:rgba(85,232,202,.13);color:#98f5e0;padding:9px 13px;border-radius:999px;border:1px solid rgba(85,232,202,.25);font-weight:900}.count-badge{font-size:13px;color:var(--muted);font-weight:800}.meter{height:8px;background:rgba(255,255,255,.09);border-radius:999px;margin:18px 0 27px;overflow:hidden}.meter>span{display:block;height:100%;background:linear-gradient(90deg,var(--mint),var(--yellow));border-radius:999px;transition:width .24s}.stage-heading{text-align:center;color:var(--muted);font-size:14px;margin:0 0 9px;line-height:1.9}.equation-wrap{display:flex;justify-content:center;align-items:center;gap:11px;min-height:112px}.equation{direction:ltr;unicode-bidi:isolate;font-family:Tahoma,'Arial',sans-serif;font-size:clamp(43px,7vw,86px);font-weight:900;letter-spacing:.035em;text-align:center;line-height:1.32;color:#fff;white-space:nowrap}.equation .question-mark{color:var(--yellow)}.equation .sign{color:var(--mint)}.challenge-hint{text-align:center;min-height:30px;color:var(--muted);font-size:13px;margin:9px 0 18px;line-height:1.8}.visual-groups{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin:13px auto 18px;max-width:780px}.group-bubble{display:flex;flex-wrap:wrap;align-content:center;align-items:center;justify-content:center;gap:5px;flex:0 1 auto;min-width:85px;min-height:77px;padding:11px;border:1px solid rgba(138,161,244,.3);background:rgba(95,118,193,.13);border-radius:19px}.count-dot{width:16px;height:16px;border-radius:50%;background:radial-gradient(circle at 30% 25%,#fff9d1 0 15%,#ffbe65 25%,#ff739a 90%);box-shadow:0 3px 8px rgba(255,121,151,.18)}.answers{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;max-width:610px;margin:17px auto 4px}.answer-option{min-height:76px;background:rgba(88,100,161,.2);border:1px solid rgba(174,184,242,.26);color:var(--text);border-radius:19px;font-size:31px;font-weight:900;transition:background .16s,transform .16s,border-color .16s}.answer-option:hover:not(:disabled){background:rgba(109,117,195,.35);transform:translateY(-2px)}.answer-option.wrong{background:rgba(255,123,160,.14);border-color:var(--pink);color:#ffb5c8}.answer-option.right{background:rgba(80,217,187,.18);border-color:var(--mint);color:#a5ffe8}.answer-option:disabled{opacity:1}.answer-option[aria-disabled=true]{cursor:default}.feedback{max-width:720px;margin:20px auto 0;padding:13px 18px;border-radius:17px;border:1px solid rgba(176,187,255,.18);background:rgba(115,130,190,.11);color:#e5e9ff;text-align:center;line-height:1.9;font-size:14px}.feedback.ok{border-color:rgba(85,232,202,.33);background:rgba(85,232,202,.09)}.feedback.warn{border-color:rgba(255,195,113,.39);background:rgba(255,195,113,.08)}.feedback.neutral{border-color:rgba(170,186,236,.2)}.feedback strong{color:var(--yellow)}.game-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;margin-top:24px}.game-bottom .button{min-width:165px}.mini-tip{color:var(--muted);font-size:12px;line-height:1.75}.input-area{max-width:600px;margin:15px auto 0;display:grid;gap:14px}.number-field{width:100%;max-width:335px;display:block;margin:0 auto;background:rgba(255,255,255,.07);border:2px solid rgba(177,188,238,.34);border-radius:18px;color:var(--text);font-size:clamp(30px,5vw,43px);font-weight:900;text-align:center;min-height:76px;padding:8px 15px;appearance:textfield;-moz-appearance:textfield}.number-field::placeholder{color:rgba(196,206,241,.4)}.number-field::-webkit-outer-spin-button,.number-field::-webkit-inner-spin-button{appearance:none}.num-pad{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px;max-width:356px;margin:0 auto;width:100%;direction:ltr}.digit{min-height:54px;border:1px solid rgba(186,195,243,.28);border-radius:14px;background:rgba(104,115,184,.19);color:#fff;font-size:24px;font-weight:850}.digit:hover{background:rgba(128,143,214,.28)}.digit.utility{font-size:20px;color:var(--yellow)}.submit-row{display:flex;justify-content:center}.submit-row .button{width:min(100%,356px);min-height:52px}.yes-no{max-width:550px;margin:20px auto 4px;display:grid;grid-template-columns:1fr 1fr;gap:13px}.yes-no .answer-option{font-size:22px}.quick-link{border:0;background:none;padding:9px;color:var(--muted);font-size:12px;text-decoration:underline;text-underline-offset:4px}.quick-link:hover{color:#fff}.home-return{margin-right:auto}.checkpoint{text-align:center;max-width:780px;margin:0 auto;padding:clamp(30px,5vw,65px)}.checkpoint .medal{font-size:76px;display:block;filter:drop-shadow(0 12px 15px rgba(255,170,98,.26));line-height:1.5}.checkpoint h1{font-size:clamp(30px,4vw,50px);line-height:1.4;margin:9px 0 14px}.checkpoint p{color:#cbd5ee;line-height:2;font-size:16px}.checkpoint .buttons-row{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:22px}.result-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:27px 0 24px}.result-stat{border:1px solid var(--border);background:rgba(69,80,146,.16);border-radius:17px;padding:18px 10px}.result-stat strong{display:block;font-size:clamp(24px,4vw,38px);color:var(--yellow)}.result-stat span{color:var(--muted);font-size:12px}.misses-list{border-radius:16px;border:1px solid var(--border);padding:15px 20px;background:rgba(10,19,47,.4);margin:16px auto;text-align:right}.misses-list p{font-size:13px;margin:0 0 8px;color:var(--muted)}.misses-chips{display:flex;flex-wrap:wrap;gap:8px}.misses-chips span{font-size:14px;background:rgba(255,255,255,.09);border-radius:10px;padding:7px 11px;font-weight:800}.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);z-index:50;background:#202d55;border:1px solid var(--mint);padding:14px 23px;border-radius:15px;max-width:90%;box-shadow:var(--shadow);text-align:center}.instructions{background:rgba(78,92,157,.12);border:1px solid var(--border);border-radius:18px;padding:14px 18px;line-height:2;color:var(--muted);font-size:13px}.instructions strong{color:#f4e6ab}.hidden{display:none!important}::selection{background:#ffe18b;color:#22223e}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr 1fr;gap:13px}.hero-content{min-height:400px;padding:26px}.hero-decoration{min-height:400px}.floating-tile{min-width:75px;min-height:70px;font-size:29px}.planet strong{font-size:22px}.journey{padding:18px}.stage-tile{min-height:130px}}
@media(max-width:700px){.app-shell{width:min(100% - 24px,600px)}.masthead{padding:13px 0}.brand-mark{height:42px;width:42px;font-size:27px;border-radius:13px}.brand-name strong{font-size:17px}.brand-name small{font-size:10px}.header-actions{gap:5px}.control-pill{padding:8px 11px;min-height:42px}.control-pill .action-name{display:none}.hero-grid{grid-template-columns:1fr;margin:9px 0 15px}.hero-content{min-height:auto;padding:28px 23px}.hero-headline{font-size:39px}.hero-description{margin-bottom:20px;font-size:15px}.hero-decoration{min-height:225px}.orbit{width:215px}.orbit.orbit2{width:280px}.planet{height:164px}.planet .planet-star{font-size:44px}.planet strong{font-size:18px}.planet small{font-size:9px}.floating-tile{min-width:71px;min-height:62px;padding:8px;font-size:24px;border-radius:16px}.tile-three{top:9%;right:10%}.tile-four{bottom:7%;left:10%}.hero-note{margin-top:16px}.stage-tiles{grid-template-columns:repeat(5,minmax(105px,1fr));overflow:auto;padding-bottom:5px;scroll-snap-type:x mandatory;scrollbar-width:thin}.stage-tile{min-height:112px;scroll-snap-align:center;padding:12px 8px}.journey{padding:17px 13px}.journey h2{font-size:16px}.info-strip{font-size:11px;gap:8px}.game-wrap{margin:10px auto 22px}.game-top{margin-bottom:10px}.roadmap{gap:5px;margin-bottom:12px}.road-step{min-height:44px}.road-step .step-label{display:none}.road-step .step-emoji{font-size:19px}.game-card{padding:18px 14px 21px;border-radius:22px}.meter{margin:13px 0 18px}.equation-wrap{min-height:88px}.equation{font-size:clamp(39px,11vw,60px)}.stage-heading{font-size:13px}.answers{gap:9px;margin-top:12px}.answer-option{min-height:68px;font-size:27px}.game-bottom{margin-top:17px}.group-bubble{padding:8px;min-width:64px;min-height:56px;border-radius:14px;gap:4px}.count-dot{height:12px;width:12px}.visual-groups{gap:7px;margin:9px auto}.checkpoint{padding:25px 18px}.checkpoint .medal{font-size:60px}.checkpoint p{font-size:14px}.result-grid{gap:7px}.result-stat{padding:12px 4px}.app-footer{font-size:10px}.feedback{font-size:13px;padding:10px 13px}.number-field{min-height:64px}.num-pad{max-width:320px;gap:7px}.digit{min-height:52px}.submit-row .button{min-height:51px}}
@media(max-width:380px){.brand-name small{display:none}.brand-name strong{font-size:15px}.brand-mark{width:38px;height:38px}.control-pill{min-height:39px;padding:7px 9px}.hero-headline{font-size:34px}.hero-content{padding:24px 19px}.button{padding:11px 15px;min-height:52px;font-size:13px}.game-top .crumb{font-size:11px}.stat-pill{font-size:11px;padding:7px 9px}.equation{font-size:38px}.game-bottom .button{min-width:135px}.mini-tip{font-size:11px}}
@media(orientation:landscape) and (max-height:500px){.masthead{padding:8px 0}.hero-grid{grid-template-columns:1fr 1fr}.hero-content{min-height:290px}.hero-decoration{min-height:290px}.hero-headline{font-size:36px;margin:10px 0}.hero-description{font-size:13px;line-height:1.7}.hero-note{margin-top:10px}.game-card{padding:13px 22px}.game-meta{gap:6px}.meter{margin:8px 0}.equation-wrap{min-height:58px}.equation{font-size:45px}.stage-heading{margin-bottom:4px}.input-area{grid-template-columns:1fr 1fr;align-items:center;max-width:680px;gap:10px}.num-pad{grid-column:2;grid-row:1 /span 2;max-width:265px;gap:4px}.digit{min-height:35px;font-size:17px}.number-field{grid-column:1;grid-row:1;min-height:51px}.submit-row{grid-column:1;grid-row:2}.submit-row .button{min-height:47px}.answer-option{min-height:47px}.app-footer{padding:8px 0}.visual-groups{margin:5px}.group-bubble{min-height:42px;padding:5px}.count-dot{width:10px;height:10px}}
/* TV emphasis mode: also useful when the phone is mirrored. */
body.tv-mode .app-shell{width:min(100% - 20px,1540px)}body.tv-mode .game-wrap{width:min(100%,1320px)}body.tv-mode .road-step{min-height:54px}body.tv-mode .road-step .step-label{display:inline}body.tv-mode .game-card{padding:clamp(19px,4vw,56px)}body.tv-mode .equation{font-size:clamp(52px,9vw,126px)}body.tv-mode .stage-heading{font-size:clamp(15px,1.8vw,23px)}body.tv-mode .answer-option{min-height:clamp(72px,9vh,118px);font-size:clamp(30px,3.7vw,56px)}body.tv-mode .game-meta{font-size:18px}body.tv-mode .game-bottom .mini-tip{display:none}body.tv-mode .number-field{font-size:clamp(40px,5vw,68px)}body.tv-mode .digit{font-size:clamp(24px,2.2vw,35px);min-height:clamp(56px,6vh,78px)}body.tv-mode .feedback{font-size:clamp(15px,1.5vw,23px)}body.tv-mode .group-bubble{min-height:clamp(64px,7vw,120px)}body.tv-mode .count-dot{width:clamp(12px,1.4vw,20px);height:clamp(12px,1.4vw,20px)}
@media(max-width:700px){body.tv-mode .road-step .step-label{display:none}body.tv-mode .game-card{padding:17px 12px}body.tv-mode .equation{font-size:clamp(42px,11.2vw,70px)}body.tv-mode .answer-option{min-height:75px}body.tv-mode .number-field{font-size:40px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
/* Larger end-of-level / result panel for living-room displays. */
body.tv-mode .checkpoint{max-width:min(100%,1120px);width:100%;padding:clamp(25px,4.4vw,88px)}
body.tv-mode .checkpoint h1{font-size:clamp(33px,4vw,67px)}
body.tv-mode .checkpoint p{font-size:clamp(17px,1.7vw,27px)}
body.tv-mode .checkpoint .medal{font-size:clamp(75px,6.2vw,118px)}
body.tv-mode .result-stat{padding:clamp(15px,2vw,28px)}
body.tv-mode .result-stat strong{font-size:clamp(29px,3.15vw,52px)}
body.tv-mode .result-stat span{font-size:clamp(12px,1.15vw,17px)}
body.tv-mode .checkpoint .button{font-size:clamp(14px,1.3vw,21px);min-height:clamp(55px,6vh,85px)}
@media(max-width:700px){body.tv-mode .checkpoint{padding:25px 15px}body.tv-mode .checkpoint h1{font-size:clamp(26px,6vw,37px)}body.tv-mode .checkpoint p{font-size:clamp(13px,3.7vw,16px)}body.tv-mode .result-stat{padding:12px 5px}body.tv-mode .result-stat strong{font-size:clamp(20px,6vw,30px)}body.tv-mode .result-stat span{font-size:11px}}
@media(min-width:900px) and (min-height:600px){
 body.tv-mode .game-card{padding:clamp(20px,2.5vw,46px)}
 body.tv-mode .meter{margin:12px 0 15px}
 body.tv-mode .equation-wrap{min-height:122px}
 body.tv-mode .challenge-hint{margin:3px 0 10px}
 body.tv-mode .input-area{display:grid;grid-template-columns:minmax(220px,1fr) minmax(250px,1fr);max-width:795px;gap:8px 20px;align-items:center;margin:5px auto 0}
 body.tv-mode .input-area .number-field{grid-column:1;grid-row:1;min-height:84px}
 body.tv-mode .input-area .num-pad{grid-column:2;grid-row:1 / span 2;max-width:365px;gap:7px}
 body.tv-mode .input-area .digit{min-height:52px}
 body.tv-mode .input-area .submit-row{grid-column:1;grid-row:2}
 body.tv-mode .input-area .submit-row .button{max-width:335px;min-height:65px}
 body.tv-mode .game-bottom{margin-top:15px}
}