/* Game pages have their own visual system; printable tools keep their paper UI. */
body.challenge-app{--game-bg:#11131e;--game-surface:#1c1f30;--game-border:#3b4058;--game-text:#f6f4ff;--game-muted:#b7bbd0;--game-lime:#d9f975;--game-purple:#b9a3ff;background:var(--game-bg);color:var(--game-text);font:16px/1.6 'Segoe UI',system-ui,sans-serif;color-scheme:dark}
.challenge-app *{box-sizing:border-box}.challenge-app [hidden]{display:none!important}.challenge-app .container{width:min(1200px,calc(100% - 64px))}.challenge-app button,.challenge-app input,.challenge-app select{font:inherit}.challenge-app button,.challenge-app summary{cursor:pointer}.challenge-app button{touch-action:manipulation}.challenge-app a{color:inherit}.challenge-app svg{width:24px;height:24px;flex:none}.challenge-app h1,.challenge-app h2,.challenge-app h3{font-family:inherit;color:var(--game-text);letter-spacing:-.04em;line-height:1.12}.challenge-app h2{font-size:34px}.challenge-app h3{font-size:19px}.challenge-app p{overflow-wrap:anywhere}.challenge-app button:focus-visible,.challenge-app a:focus-visible,.challenge-app summary:focus-visible,.challenge-app input:focus-visible,.challenge-app select:focus-visible{outline:3px solid var(--game-lime);outline-offset:5px}.challenge-app [tabindex="-1"]:focus{outline:none}.challenge-app input,.challenge-app select{background:#171a29;color:var(--game-text);border:1px solid #747b98;min-height:48px;border-radius:10px;padding:10px 14px}.challenge-app input{width:100%}.challenge-app input::placeholder{color:var(--game-muted)}.challenge-app label{font-size:14px;font-weight:600}.challenge-app .site-header{height:90px;border-bottom:1px solid var(--game-border)}.challenge-app .logo{color:var(--game-text);font-weight:750}.challenge-app .logo svg{width:28px;height:32px}.challenge-app .nav a{font-size:14px;color:var(--game-muted)}.challenge-app .nav .nav-cta{color:var(--game-text);background:var(--game-surface);border:1px solid #5f6684}.challenge-app .site-footer{border-top:1px solid var(--game-border);margin-top:72px;padding:34px 0}.challenge-app .site-footer p,.challenge-app .footer-links{color:var(--game-muted)}.challenge-app .skip{background:var(--game-lime);color:#151b0c}
.arena{padding-bottom:8px}.kicker{font-size:11px;letter-spacing:1.8px;font-weight:750;color:var(--game-muted);line-height:1.5}.arena-hero{display:grid;grid-template-columns:1.2fr 1fr;align-items:center;gap:30px;padding:72px 0 60px}.arena-copy>.kicker{display:flex;align-items:center;gap:10px}.arena-copy>.kicker>span{width:7px;height:7px;background:var(--game-lime);border-radius:50%}.arena-copy h1{font-size:clamp(42px,4.7vw,66px);margin:23px 0;letter-spacing:-.055em;line-height:1.08}.arena-copy h1 em{color:var(--game-purple);font-style:normal}.hero-description{color:var(--game-muted);font-size:17px;line-height:1.75;max-width:510px}.hero-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin-top:30px}.game-button{display:inline-flex;align-items:center;justify-content:center;gap:20px;min-height:50px;border-radius:10px;padding:14px 21px;font-size:15px!important;font-weight:700!important;border:1px solid transparent;text-decoration:none;transition:background .18s,transform .18s,border-color .18s}.game-button:hover{transform:translateY(-2px)}.game-button:active{transform:translateY(0)}.game-button.lime{background:var(--game-lime);color:#18220b}.game-button.lime:hover{background:#e7ff9e}.game-button.lavender{background:var(--game-purple);color:#201734}.game-button.outline{background:var(--game-surface);color:var(--game-text);border-color:#69708e}.game-link{background:none;border:0;color:var(--game-muted)!important;font-size:13px!important;text-underline-offset:5px;padding:10px 0;min-height:44px}.game-link:hover{color:var(--game-text)!important;text-decoration:underline}.hero-facts{display:flex;gap:22px;flex-wrap:wrap;margin-top:28px;font-size:12px;color:var(--game-muted)}.hero-facts span:before{content:'✓';color:var(--game-lime);margin-right:7px}
.hero-puzzle{position:relative;min-height:355px;display:flex;align-items:center;justify-content:center;isolation:isolate}.orbit{position:absolute;width:340px;height:340px;border:1px solid #343345;border-radius:50%;z-index:-1}.orbit-two{width:430px;height:280px;transform:rotate(-25deg);border-style:dashed}.floating-label{position:absolute;top:5px;right:20px;color:#c5b2ff;font-size:10px;letter-spacing:2px;transform:rotate(5deg)}.demo-card{width:340px;background:#242338;border:1px solid #696081;border-radius:22px;padding:25px;transform:rotate(-5deg);box-shadow:15px 20px 0 #1a1c2a}.demo-top{display:flex;align-items:center;justify-content:space-between;color:#d4c6ff;font-size:10px;letter-spacing:1.8px}.demo-top svg{color:var(--game-lime)}.demo-card>p{font-size:22px;font-weight:650;margin:18px 0}.demo-numbers{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.demo-numbers span{display:grid;place-items:center;background:#39354e;font-size:28px;font-weight:700;height:62px;border-radius:10px}.demo-numbers .mystery{background:var(--game-lime);color:#202814}.demo-answer{display:flex;justify-content:space-between;align-items:center;border-top:1px solid #504a63;margin-top:22px;padding-top:15px;font-size:11px;color:#cec8de}.demo-answer strong{font-size:20px;color:var(--game-lime)}.floating-score{position:absolute;right:0;bottom:0;display:flex;align-items:center;gap:10px;background:#303641;border:1px solid #657053;color:#e5f3c2;border-radius:100px;padding:12px 17px;font-size:11px;transform:rotate(3deg)}.floating-score svg{width:18px;height:18px}
.modes-section{padding:20px 0 36px;scroll-margin-top:24px}.arena-section-heading{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:25px}.arena-section-heading h2{margin:9px 0 0}.difficulty-control{display:flex;gap:13px;align-items:center}.difficulty-control label{color:var(--game-muted);margin:0}.difficulty-control select{min-width:145px;width:auto}.mode-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.mode-card{display:flex;flex-direction:column;text-align:left;padding:26px;border:1px solid #55516e;border-radius:18px;background:#252239;color:var(--game-text);transition:transform .18s,border-color .18s,box-shadow .18s;min-height:300px}.mode-card:hover{transform:translateY(-4px);border-color:var(--game-purple);box-shadow:0 10px 30px #0003}.mode-card:active{transform:translateY(0)}.daily-card{background:#223332;border-color:#435d55}.relaxed-card{background:#30282d;border-color:#69514d}.mode-top{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:24px}.mode-icon{display:grid;place-items:center;width:46px;height:46px;background:#40375e;border-radius:12px;color:#dbcaff}.daily-card .mode-icon{background:#344d42;color:#d8f590}.relaxed-card .mode-icon{background:#59403c;color:#ffd2af}.mode-tag{font-size:10px;letter-spacing:1.4px;font-weight:700;color:#d1c9e5}.mode-name{font-size:26px;font-weight:700;letter-spacing:-.035em}.mode-description{color:#c3bfd2;font-size:14px;line-height:1.65;margin-top:12px;max-width:300px}.daily-card .mode-description{color:#bbd0c8}.relaxed-card .mode-description{color:#d5c5c2}.mode-footer{display:flex;align-items:center;justify-content:space-between;font-size:13px;font-weight:600;margin-top:auto;padding-top:26px;gap:16px}.mode-footer>span{font-size:22px}
.progress-strip{display:flex;align-items:center;gap:35px;border:1px solid var(--game-border);background:#191c29;border-radius:16px;padding:28px;margin:12px 0 70px}.progress-strip>div:first-child{flex:1}.progress-strip h2{font-size:22px;margin:8px 0}.progress-strip p{color:var(--game-muted);font-size:12px;margin:0}.local-stat{display:flex;flex-direction:column;gap:5px;text-align:center}.local-stat strong{font-size:31px;line-height:1.2;font-variant-numeric:tabular-nums}.local-stat span{font-size:11px;color:var(--game-muted);white-space:nowrap}.progress-strip>.game-link{font-size:11px!important;max-width:65px;text-align:left}.challenge-explainer{display:grid;grid-template-columns:1fr 1fr;gap:100px;margin:0 0 60px}.challenge-explainer h2{font-size:40px;margin:16px 0}.challenge-explainer p{color:var(--game-muted);font-size:15px}.challenge-explainer ol{list-style:none;padding:0;margin:0}.challenge-explainer li{display:flex;gap:24px;margin-bottom:22px}.challenge-explainer li>span{display:grid;place-items:center;flex:none;width:43px;height:43px;border:1px solid #5c5576;border-radius:50%;color:var(--game-purple);font-size:12px}.challenge-explainer h3{margin:0 0 8px}.challenge-explainer li p{font-size:13px;margin:0}.honest-note{border-top:1px solid var(--game-border);padding:26px 0 0;display:flex;gap:35px;align-items:start}.honest-note strong{white-space:nowrap;font-size:14px}.honest-note p{font-size:12px;color:var(--game-muted);margin:0;max-width:880px}.small-text{font-size:13px;line-height:1.65;color:var(--game-muted)}.centered{text-align:center}.invite-panel{display:flex;gap:30px;align-items:center;justify-content:space-between;background:#29243a;border:1px solid #a18acb;padding:30px;border-radius:18px;margin-bottom:35px}.invite-panel h2{font-size:27px;margin:10px 0}.invite-panel p{margin:8px 0;color:var(--game-muted)}.invite-panel .game-button{flex:none}.game-error{border:1px solid #eeaaa3;background:#3e252c;color:#ffe1dc;padding:18px 24px;border-radius:12px;margin:24px 0}.game-status{font-size:13px;color:var(--game-lime)}.game-status:empty{display:none}
.game-stage{max-width:850px;margin:35px auto 60px}.ready-card{max-width:640px;text-align:center;margin:20px auto;padding:40px;background:var(--game-surface);border:1px solid var(--game-border);border-radius:24px}.large-icon{display:grid;place-items:center;margin:0 auto 20px;width:70px;height:70px;border-radius:20px;background:#3c3355;color:var(--game-lime)}.large-icon svg{width:34px;height:34px}.ready-card h1{font-size:42px;margin:18px 0}.ready-card>p{color:var(--game-muted)}.round-rules{text-align:left;padding:14px 24px;border:1px solid #4b4960;border-radius:12px;margin:25px 0;background:#232539}.round-rules p{font-size:14px}.round-rules strong{color:var(--game-lime)}#ready-share{margin-top:20px;text-align:left}.play-top{display:flex;justify-content:space-between;align-items:center}.game-hud{display:grid;grid-template-columns:repeat(4,1fr);background:var(--game-surface);border:1px solid var(--game-border);border-radius:14px;padding:20px;margin:16px 0 20px}.game-hud>div{display:flex;flex-direction:column;gap:3px;padding-left:20px;border-left:1px solid var(--game-border)}.game-hud>div:first-child{border:0;padding:0}.game-hud span{font-size:11px;color:var(--game-muted)}.game-hud strong{font-size:23px;font-variant-numeric:tabular-nums;line-height:1.4}.game-hud .urgent strong{color:#ffc2a8}.game-hud .urgent{border-left-color:#f0a383}#round-progress{height:6px;width:100%;display:block;border:0;border-radius:6px;background:#34364d;accent-color:var(--game-purple);margin-bottom:27px}#round-progress::-webkit-progress-bar{background:#34364d;border-radius:6px}#round-progress::-webkit-progress-value{background:var(--game-purple);border-radius:6px}.question-card{padding:35px;background:var(--game-surface);border:1px solid var(--game-border);border-radius:20px}.question-card h1{font-size:29px;line-height:1.3;margin:12px 0 25px;scroll-margin-top:20px}.puzzle-text{font-size:25px;font-weight:600;text-align:center;line-height:1.6;margin:0}.question-card #question-display{display:grid;place-items:center;min-height:125px;background:#141725;border:1px solid #43465d;border-radius:14px;padding:25px;margin-bottom:28px}.puzzle-arrows{font-size:40px;margin:0}.number-matrix{display:grid;grid-template-columns:repeat(3,60px);gap:8px}.number-matrix span{padding:8px;text-align:center;background:#34304a;border:1px solid #6b6386;font-size:23px;border-radius:8px}.answer-options{display:grid;grid-template-columns:1fr 1fr;gap:14px}.answer-option{display:flex;align-items:center;gap:14px;text-align:left;padding:16px;border:1px solid #6b718e;border-radius:11px;color:var(--game-text);background:#292d41;min-height:64px;transition:background .15s,border-color .15s}.answer-option:hover:not(:disabled){background:#39344f;border-color:var(--game-purple)}.answer-letter-label{font-size:12px;display:grid;place-items:center;width:28px;height:28px;flex:none;border:1px solid #7f83a1;border-radius:7px}.answer-option:disabled{opacity:1;cursor:default}.answer-option.right{background:#294533;border-color:#b7e58f}.answer-option.wrong{background:#4b2a34;border-color:#eaa29d}.answer-option .answer-mark{font-size:11px;margin-left:auto}.answer-feedback{min-height:50px;padding-top:18px;font-size:14px;color:var(--game-muted)}.answer-feedback.positive{color:#d9f975}.question-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:10px}.question-bottom .game-button{flex:none}
.result-heading{text-align:center;padding:15px 0}.result-trophy{display:grid;place-items:center;margin:0 auto 25px;width:80px;height:80px;border-radius:24px;background:#3a344d;border:1px solid #6b5b8b;color:var(--game-lime);animation:award-in .4s ease-out}.result-trophy svg{width:42px;height:42px}.result-heading h1{font-size:42px;margin:15px 0}.result-heading>p:not(.kicker){color:var(--game-muted)}.result-heading>.kicker{color:var(--game-lime)}.achievement-pill{display:inline-block;background:#d9f975;color:#25330e;padding:7px 17px;border-radius:30px;font-size:12px;font-weight:700;margin:8px 0}.result-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:24px 0 20px}.result-stats>div{display:flex;flex-direction:column;text-align:center;gap:7px;padding:24px 12px;background:var(--game-surface);border:1px solid var(--game-border);border-radius:14px}.result-stats strong{font-size:32px;line-height:1.2}.result-stats span{font-size:12px;color:var(--game-muted)}.result-actions{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;margin:28px 0}.result-share,.comparison-panel,.compare-details,.answer-review{padding:25px;background:var(--game-surface);border:1px solid var(--game-border);border-radius:14px;margin:20px 0}.comparison-panel h2{font-size:26px;text-align:center}.comparison-scores{display:flex;justify-content:center;align-items:center;gap:50px;padding:20px}.comparison-scores>div{display:flex;flex-direction:column;text-align:center}.comparison-scores strong{font-size:40px;color:var(--game-lime)}.comparison-scores span{font-size:13px;color:var(--game-muted)}.compare-details summary,.answer-review summary{font-size:16px;font-weight:600;min-height:28px}.compare-details label{margin:20px 0 8px}.compare-details .game-button{margin-top:14px}#compare-error{color:#ffb7b1;font-size:14px;margin-bottom:0}.answer-review ol{padding-left:24px}.answer-review li{padding:15px 0;border-bottom:1px solid var(--game-border)}.answer-review h3{font-size:17px}.answer-review .puzzle-text{font-size:18px;text-align:left}.answer-review p{font-size:14px}.answer-review .review-explanation{color:var(--game-muted)}.answer-review .number-matrix{margin:15px 0}.answer-review .puzzle-arrows{font-size:30px}.challenge-app[data-game-stage="playing"] .site-footer{display:none}@keyframes award-in{from{transform:scale(.85);opacity:.4}to{transform:scale(1);opacity:1}}
@media(max-width:1050px){.arena-hero{grid-template-columns:1.25fr 1fr}.hero-puzzle{transform:scale(.85);transform-origin:center}.hero-actions{gap:10px}.hero-facts{gap:12px}.mode-card{padding:22px}.mode-name{font-size:24px}.progress-strip{gap:20px;padding:24px}.challenge-explainer{gap:50px}}
@media(max-width:760px){.challenge-app .container{width:calc(100% - 36px)}.challenge-app .site-header{height:76px}.challenge-app .nav{gap:12px}.challenge-app .nav .nav-cta{font-size:12px;padding:9px 12px}.arena-hero{grid-template-columns:1fr;padding:37px 0 25px;gap:25px}.arena-copy h1{font-size:clamp(38px,8vw,60px);margin:20px 0}.hero-description{font-size:16px}.arena-copy .kicker{font-size:9px;letter-spacing:1.4px}.hero-puzzle{transform:none;min-height:295px;margin:10px 0}.demo-card{width:285px;padding:21px}.demo-numbers span{font-size:23px;height:52px}.demo-card>p{font-size:21px}.orbit{width:275px;height:275px}.orbit-two{width:310px;height:210px}.floating-label{right:10px;top:0;font-size:9px}.floating-score{right:3px;font-size:10px;bottom:0}.hero-actions{gap:10px 20px}.hero-facts{font-size:11px;gap:8px 14px}.arena-section-heading{align-items:start;flex-direction:column;gap:20px}.arena-section-heading h2{font-size:29px}.difficulty-control{width:100%;justify-content:space-between}.mode-grid{grid-template-columns:1fr;gap:16px}.mode-card{min-height:0;padding:24px}.mode-top{margin-bottom:16px}.mode-description{max-width:none}.mode-name{font-size:27px}.mode-footer{padding-top:22px}.progress-strip{flex-wrap:wrap;margin-bottom:45px;gap:20px;padding:24px}.progress-strip>div:first-child{flex-basis:100%}.local-stat{flex:1;align-items:start;text-align:left}.local-stat span{white-space:normal;font-size:11px}.progress-strip>.game-link{max-width:none;flex-basis:100%;text-align:left;padding-bottom:0}.challenge-explainer{grid-template-columns:1fr;gap:25px;margin-bottom:32px}.challenge-explainer h2{font-size:34px}.honest-note{flex-direction:column;gap:12px}.honest-note p{font-size:12px}.invite-panel{flex-direction:column;align-items:start;padding:24px}.invite-panel h2{font-size:26px}.game-stage{margin-top:20px}.ready-card{padding:28px 20px}.ready-card h1{font-size:32px}.round-rules{padding:10px 18px}.game-hud{padding:14px 12px;gap:10px}.game-hud>div{padding-left:8px}.game-hud strong{font-size:17px}.game-hud span{font-size:10px}.question-card{padding:22px 16px}.question-card h1{font-size:25px}.question-card #question-display{padding:18px 12px;min-height:115px}.puzzle-text{font-size:22px}.answer-options{gap:10px}.answer-option{padding:12px;gap:8px;flex-wrap:wrap;min-height:68px;font-size:15px!important}.answer-option .answer-mark{flex-basis:100%;margin-left:36px}.answer-feedback{font-size:13px}.question-bottom{flex-wrap:wrap;gap:5px}.question-bottom>.small-text{flex-basis:100%;font-size:11px}.question-bottom>.game-button,.question-bottom>.game-link{margin-left:auto}.result-heading h1{font-size:34px}.result-stats{grid-template-columns:1fr 1fr;gap:12px}.result-stats strong{font-size:30px}.result-stats>div{padding:22px 12px}.result-actions{gap:12px}.result-actions .game-button{width:100%}.result-share,.comparison-panel,.compare-details,.answer-review{padding:20px}.comparison-scores{gap:25px}.comparison-scores strong{font-size:34px}.comparison-panel h2{font-size:23px}.challenge-app .site-footer{margin-top:45px}.challenge-app .footer-links{gap:18px}.game-status{font-size:12px}.play-top .kicker{font-size:10px}}
@media(max-width:359px){.hero-puzzle{min-height:275px}.demo-card{width:250px;padding:17px}.orbit-two{width:270px}.demo-card>p{font-size:18px}.demo-numbers{gap:7px}.floating-score{font-size:9px;padding:10px}.game-hud strong{font-size:15px}.game-hud{gap:7px}.answer-options{grid-template-columns:1fr}.arena-copy h1{font-size:37px}}
@media(prefers-reduced-motion:reduce){.challenge-app *{animation:none!important;transition:none!important;scroll-behavior:auto!important}.game-button:hover,.mode-card:hover{transform:none}}
@media(max-width:359px){.orbit-two{width:220px;height:160px}}
.orbit-two{max-width:75%;max-height:60%}