.games-site{background:var(--naut-mint);min-height:100vh;color:var(--naut-ink);flex-direction:column;display:flex}.games-header{background:var(--naut-teal);border-bottom:2px solid var(--naut-ink);justify-content:space-between;align-items:center;gap:24px;padding:20px max(24px,50vw - 560px);display:flex}.games-logo{letter-spacing:1px;color:var(--naut-yellow);text-shadow:0 2px 0 var(--naut-ink);flex-direction:column;font-size:38px;line-height:.88;display:flex;transform:rotate(-3deg)}.games-header nav{flex-wrap:wrap;gap:28px;font-size:18px;font-weight:700;display:flex}.games-header nav a{align-items:center;gap:8px;min-height:44px;display:flex}.games-header nav a:hover{text-decoration:underline}.games-main{flex:1;width:min(100% - 48px,1000px);margin:0 auto;padding:34px 0 48px}.games-footer{text-align:center;color:var(--naut-reading-muted);padding:22px 16px;font-size:14px}.games-footer span{margin:0 6px}.gallery-heading{text-align:center}.gallery-heading h1{margin:0 0 10px;font-size:clamp(44px,6vw,64px)}.gallery-heading p{margin:0;font-size:24px}.level-picker{justify-content:center;align-items:end;gap:24px;margin:30px 0 24px;display:flex}.level-picker fieldset{border:0;margin:0;padding:0}.level-picker legend,.age-picker{font-size:16px;font-weight:700}.level-picker legend{margin-bottom:8px}.grade-options{display:flex}.grade-options label{text-align:center;background:var(--naut-paper);min-width:90px;color:var(--naut-purple-strong);border:2px solid var(--naut-purple-strong);cursor:pointer;padding:12px 15px;font-weight:700;position:relative}.grade-options label:first-child{border-radius:14px 0 0 14px}.grade-options label:not(:last-child){border-right:0}.grade-options label:last-child{border-radius:0 14px 14px 0}.grade-options .is-selected{background:var(--naut-purple-strong);color:var(--naut-white)}.grade-options input{opacity:0;width:1px;height:1px;position:absolute}.grade-options label:focus-within{outline:3px solid var(--naut-focus);outline-offset:4px;z-index:1}.level-or{align-self:center;margin-top:26px}.age-picker{gap:8px;display:grid}.age-picker select,.game-level select{border:2px solid var(--naut-purple-strong);background:var(--naut-paper);min-height:48px;color:var(--naut-ink);border-radius:12px;padding:8px 36px 8px 12px;font-size:16px;font-weight:700}.level-description{margin:0 0 24px;font-size:19px}.level-description span{color:var(--naut-reading-muted);margin-top:4px;font-size:14px;display:block}.games-gallery{gap:24px;display:grid}.game-card .game-level-summary{color:var(--naut-reading-muted);font-size:14px}.game-card{border:2px solid var(--naut-border);border-radius:var(--naut-radius-card);background:var(--naut-paper);box-shadow:var(--naut-shadow-card);grid-template-columns:1fr 1fr;display:grid;overflow:hidden}.game-card-art{background:var(--naut-paper);min-width:0;display:block}.game-card-art :is(img,video){object-fit:contain;width:100%;height:100%;max-height:320px;display:block}.game-card-copy{align-self:center;padding:36px}.game-card h2{margin:0 0 18px;font-size:clamp(30px,4vw,42px)}.game-card p{max-width:300px;margin:0 0 24px;font-size:21px;line-height:1.5}.game-play{font-family:var(--naut-font-display);min-height:58px;box-shadow:var(--naut-shadow-control);padding:12px 28px;font-size:24px}.more-games{text-align:center;margin:38px 0 0;font-size:17px}.alien-game{max-width:900px;margin:auto}.game-topbar{color:var(--naut-purple-strong);justify-content:space-between;align-items:center;gap:16px;padding-bottom:16px;font-size:16px;font-weight:700;display:flex}.game-topbar>a{align-items:center;gap:8px;min-height:44px;display:flex}.game-level{align-items:center;gap:8px;display:flex}.game-level select{min-height:44px;padding-right:24px}.game-voice-bar{flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:18px;display:flex}.game-voice-bar .naut-button{min-height:44px;padding:8px 12px;font-size:14px}.game-voice-bar button:disabled,.spelling-listen-tools button:disabled{opacity:.5;cursor:default}.game-voice-status{min-height:20px;color:var(--naut-purple-strong);flex-basis:100%;font-size:13px}.spelling-listen-tools{flex-wrap:wrap;justify-content:center;gap:10px;display:flex}.round-progress{background:var(--naut-paper);border-radius:8px;height:7px;overflow:hidden}.round-progress span{background:var(--naut-purple-strong);height:100%;transition:width var(--naut-duration-normal);display:block}.question-title{text-align:center;margin:24px 0 20px;font-size:clamp(28px,4vw,42px)}.question-title:focus,.round-complete h1:focus{outline:none}.alien-scene{background:var(--naut-paper);border:1px solid var(--naut-border);border-radius:24px;padding:8px 18px 14px;overflow:hidden}.alien-visitors{justify-content:center;align-items:center;gap:12px;display:flex}.alien-visitors.visitors-3,.alien-visitors.visitors-4{grid-template-columns:repeat(2,minmax(0,1fr));max-width:620px;margin-inline:auto;display:grid}.alien-visitors.visitors-3 .visitor:last-child{grid-column:1/-1;justify-self:center;width:50%}.alien-visitors:is(.visitors-3,.visitors-4) .visitor :is(img,video){max-height:195px}@media (min-width:760px){.alien-visitors.visitors-3{grid-template-columns:repeat(3,minmax(0,1fr));max-width:none}.alien-visitors.visitors-3 .visitor:last-child{grid-column:auto;width:auto}}.visitor{flex:0 360px;min-width:0;margin:0;position:relative}.visitor :is(img,video){aspect-ratio:1;object-fit:contain;width:100%;max-height:310px;display:block}.alien-scene>p{text-align:center;margin:8px 0 0;font-size:19px;font-weight:700}.answer-options{grid-template-columns:repeat(4,1fr);gap:20px;margin:20px 0 0;display:grid}.answer-button{background:var(--naut-paper);min-height:88px;color:var(--naut-purple-strong);border:2px solid var(--naut-purple-strong);font-family:var(--naut-font-display);transition:transform var(--naut-duration-fast), background var(--naut-duration-fast);border-radius:18px;justify-content:center;align-items:center;gap:8px;font-size:46px;display:flex}.answer-button:hover:not(:disabled){background:var(--naut-paper-hover);transform:translateY(-2px)}.answer-button.is-correct:disabled{opacity:1;background:var(--naut-lime);color:var(--naut-ink);border-color:var(--naut-ink)}.answer-button.tried-answer:disabled{opacity:.5;text-decoration:line-through}.answer-feedback{text-align:center;min-height:45px;font-weight:700}.answer-feedback p{margin:10px 0}.success-feedback{justify-content:center;align-items:center;gap:8px;display:flex}.game-tools{justify-content:space-between;gap:16px;display:flex}.game-tools .naut-button{color:var(--naut-purple-strong);border-color:var(--naut-purple-strong);min-height:50px}.question-hint{text-align:center;background:var(--naut-paper-song);border-radius:14px;margin-bottom:0;padding:16px;font-size:18px}.next-question{min-height:50px;margin:0 auto;font-size:19px;display:flex}.round-complete{text-align:center;padding:36px 0}.complete-sparkle{color:var(--naut-purple-strong)}.round-complete h1{margin:18px 0;font-size:clamp(36px,5vw,52px)}.round-complete p{margin:8px 0;font-size:23px}.round-complete .round-score{font-size:17px}.round-complete :is(img,video){aspect-ratio:1;border-radius:50%;width:min(100%,280px);height:auto;margin:22px auto;display:block}.complete-actions{flex-wrap:wrap;justify-content:center;gap:16px;display:flex}.complete-actions .naut-button{min-height:52px;font-size:18px}@media (min-width:1200px){.games-main{padding-top:40px}.alien-game .question-title{margin-top:20px}.alien-game .visitor :is(img,video){max-height:290px}}@media (max-width:600px){.games-header{flex-wrap:wrap;justify-content:center;padding:18px 20px}.games-logo{font-size:29px}.games-header nav{justify-content:center;gap:18px;font-size:16px}.games-header nav svg{display:none}.games-main{width:calc(100% - 32px);padding:28px 0}.gallery-heading p{font-size:20px}.level-picker{flex-wrap:wrap;align-items:center;gap:12px;margin:24px 0}.grade-options label{min-width:0}.level-or{margin:24px 0 0}.age-picker{width:100%;max-width:264px}.level-description{text-align:center;font-size:17px}.game-card{grid-template-columns:1fr}.game-card-art :is(img,video){height:220px;max-height:none}.game-card-copy{text-align:center;padding:24px}.game-card h2{font-size:32px}.game-card p{margin:0 auto 22px;font-size:19px}.game-play{width:100%}.more-games{font-size:16px}.game-topbar{flex-wrap:wrap;gap:8px;font-size:14px}.game-level{justify-content:flex-end;width:100%;font-size:14px}.game-level select{font-size:14px}.question-title{margin:20px 0 16px;font-size:29px}.alien-scene{border-radius:18px;padding:8px 8px 14px}.visitor :is(img,video){max-height:240px}.visitors-2{gap:4px}.alien-scene>p{font-size:16px;line-height:1.4}.answer-options{gap:10px;margin-top:16px}.answer-button{border-radius:14px;gap:2px;min-height:70px;font-size:34px}.answer-button svg{width:18px}.game-tools{gap:10px}.game-tools .naut-button{padding:10px;font-size:14px}.game-tools svg{width:19px}.answer-feedback{font-size:15px}.question-hint{font-size:16px}.games-footer{font-size:12px}}.round-progress{-webkit-appearance:none;appearance:none;border:0;width:100%;display:block}.round-progress::-webkit-progress-bar{background:var(--naut-paper);border-radius:8px}.round-progress::-webkit-progress-value{background:var(--naut-purple-strong);border-radius:8px}.round-progress::-moz-progress-bar{background:var(--naut-purple-strong);border-radius:8px}.answer-options{border:0;min-width:0;padding:0}.games-site .games-footer{color:var(--naut-reading-muted);background:0 0;display:block}@media (min-width:601px){.games-main:has(.gallery-heading){padding-top:24px}.gallery-heading h1{font-size:clamp(44px,5vw,56px)}.level-picker{margin-top:20px;margin-bottom:16px}.level-description{margin-bottom:18px}.game-card-copy{padding:24px 32px}.game-card h2{margin-bottom:14px;font-size:clamp(30px,3vw,36px)}.game-card p{margin-bottom:18px;font-size:19px}.game-play{min-height:52px;padding:10px 24px;font-size:22px}}.subtraction-scene{background:#fff;padding:16px}.alien-scene>.subtraction-instruction{margin:0 0 16px;font-size:19px;font-weight:650}.subtraction-groups{grid-template-columns:repeat(2,minmax(0,1fr));align-items:start;gap:16px;display:grid}.visitor-group{background:#fff;border:3px solid;border-radius:18px;overflow:hidden}.staying-group{border-color:#26704e}.leaving-group{border-color:#9b481b}.visitor-group-heading{text-align:center;padding:12px 6px}.staying-group .visitor-group-heading{color:#fff;background:#26704e}.leaving-group .visitor-group-heading{color:#fff;background:#9b481b}.visitor-group-heading h2{font-family:var(--naut-font-display);text-transform:uppercase;justify-content:center;align-items:center;gap:7px;margin:0;font-size:clamp(22px,3vw,30px);font-weight:700;line-height:1.2;display:flex}.visitor-group-heading h2 svg{flex-shrink:0;width:26px;height:26px}.visitor-group-heading p{margin:6px 0 0;font-size:17px;font-weight:650;line-height:1.3}.visitor-group-art{flex-wrap:wrap;justify-content:center;gap:6px;padding:8px;display:flex}.visitor-group-art .visitor{flex:125px;max-width:230px}.alien-game .visitor-group-art .visitor :is(img,video){max-height:205px}.departure-door{color:#873d16;justify-content:center;align-items:center;gap:8px;padding-top:10px;font-size:17px;font-weight:700;display:flex}.departure-door svg:first-child{width:32px;height:32px}.before-visitors-button{border:2px solid var(--naut-border);min-height:44px;color:var(--naut-ink);background:var(--naut-paper);font:inherit;cursor:pointer;border-radius:14px;justify-content:center;align-items:center;gap:8px;margin:16px auto 0;padding:10px 16px;font-weight:650;display:flex}.before-visitors-button svg{flex-shrink:0;width:20px;height:20px}.before-visitors-button:hover{background:#edf5e7}@media (max-width:600px){.subtraction-scene{padding:10px}.subtraction-groups{gap:8px}.visitor-group{border-width:2px;border-radius:13px}.visitor-group-heading h2{gap:4px;font-size:21px}.visitor-group-heading h2 svg{width:21px;height:21px}.visitor-group-heading p{font-size:15px}.visitor-group-art{padding:4px}.alien-game .visitor-group-art .visitor :is(img,video){max-height:155px}.alien-scene>.subtraction-instruction{font-size:17px}}.game-about{background:var(--naut-paper);border-radius:20px;margin-top:40px;padding:24px}.game-about h2{margin:0 0 14px;font-size:26px}.game-about p{line-height:1.7}.game-about a{font-weight:700;text-decoration:underline}.advanced-game{max-width:1000px}.advanced-game .game-topbar{flex-wrap:wrap;font-size:14px}.advanced-game .game-topbar>span{margin-right:auto}.advanced-game .game-level{font-size:14px}.advanced-game .game-level select{min-height:44px;font-size:15px}.math-lab-heading{margin:4px 0 16px}.math-lab-heading h1{margin:0;font-size:clamp(30px,4vw,40px)}.math-lab-heading p{color:var(--naut-reading-muted);margin:5px 0 0;font-size:15px}.math-workspace{background:var(--naut-paper);border:2px solid var(--naut-border);box-shadow:0 4px 0 var(--naut-border);border-radius:22px;grid-template-columns:38% 1fr;margin-top:20px;display:grid;overflow:hidden}.math-specimen{border-right:1px solid var(--naut-reading-muted);text-align:center;align-self:center;min-width:0;margin:20px 0;padding:0 18px}.math-visitor-grid{grid-template-columns:repeat(var(--visitor-columns,1), minmax(0, 1fr));place-items:center;gap:6px;display:grid}.math-visitor-count{color:var(--naut-purple-strong);margin-bottom:4px;display:block}.math-visitor-group figcaption{font-size:15px}.math-specimen :is(img,video){aspect-ratio:1;object-fit:contain;width:100%;height:auto;max-height:300px;display:block}.math-specimen figcaption{margin:8px 0 0;font-size:18px;font-weight:700}.math-problem{text-align:center;min-width:0;padding:24px 28px 16px}.math-problem h2{margin:0 0 12px;font-size:clamp(25px,2.8vw,32px)}.math-problem h2:focus{outline:none}.math-story{margin:0 0 16px;font-size:17px;line-height:1.5}.math-facts{flex-wrap:wrap;justify-content:center;gap:12px;font-size:15px;font-weight:700;display:flex}.math-facts span{background:var(--naut-mint);border-radius:10px;padding:8px 12px}.math-equation{font-family:var(--naut-font-display);white-space:nowrap;margin:18px 0;font-size:clamp(34px,4.7vw,52px);line-height:1.2}.math-equation>span{color:var(--naut-purple-strong)}.math-answer-entry{flex-wrap:wrap;justify-content:center;align-items:center;gap:10px;margin:0 0 14px;font-size:16px;display:flex}.math-answer-entry label{font-weight:700}.math-answer-entry input{border:2px solid var(--naut-border);background:var(--naut-white);width:100px;min-height:52px;color:var(--naut-ink);text-align:center;border-radius:10px;font-size:26px;font-weight:700}.math-answer-entry input[aria-invalid=true]{border-color:var(--naut-danger)}.math-answer>button{min-width:200px;min-height:48px;font-size:17px}.math-answer>button:disabled{opacity:.75}.math-validation{color:var(--naut-danger);margin:8px 0 0;font-size:14px}.math-validation:empty{display:none}.advanced-game .answer-feedback{min-height:42px}.advanced-game .game-tools{justify-content:center;gap:16px}.advanced-game .game-tools .naut-button{min-height:46px;font-size:15px}.group-strategy{border:1px solid var(--naut-purple-strong);background:var(--naut-paper);border-radius:18px;margin-top:18px;padding:20px}.group-strategy h3{letter-spacing:0;margin:0 0 6px;font-size:23px}.group-strategy p{margin:0 0 14px;font-size:16px}.group-array{flex-wrap:wrap;align-items:stretch;gap:10px;margin:0;display:flex}.dot-group{border:1px dashed var(--naut-purple-strong);border-radius:8px;grid-template-columns:repeat(4,9px);grid-auto-rows:9px;place-content:center;gap:4px;min-width:66px;min-height:52px;padding:10px;display:grid}.dot-group i{background:var(--naut-purple-strong);border-radius:50%;width:9px;height:9px;display:block}.group-strategy .strategy-caption{color:var(--naut-reading-muted);margin:14px 0 0;font-size:13px}.gallery-practice{gap:6px;max-width:290px;margin:0 0 18px;font-size:14px;font-weight:700;display:grid}.gallery-practice select{border:2px solid var(--naut-purple-strong);background:var(--naut-paper);min-height:44px;color:var(--naut-ink);border-radius:12px;padding:8px 12px;font-size:16px}.advanced-card .game-play{font-size:20px}@media (max-width:800px){.level-picker{flex-wrap:wrap;gap:16px}.math-problem{padding:22px 18px}.math-specimen{padding:0 12px}.math-specimen figcaption{font-size:16px}.advanced-game .game-topbar{gap:10px}.advanced-game .game-topbar>span{margin-right:0}}@media (max-width:600px){.level-picker fieldset{width:100%}.grade-options{grid-template-columns:repeat(5,1fr);display:grid}.grade-options label{padding:12px 4px;font-size:13px}.level-or{margin:0}.age-picker{flex:1;width:auto;max-width:none}.gallery-practice{text-align:left;margin-inline:auto}.advanced-game .game-level{flex:1;justify-content:start;width:auto}.advanced-game .practice-picker{flex:100%}.advanced-game .practice-picker select{flex:1}.math-lab-heading{margin-top:12px}.math-lab-heading h1{font-size:30px}.math-lab-heading p{font-size:14px}.math-workspace{grid-template-columns:1fr;margin-top:16px}.math-specimen{border-right:0;border-bottom:1px solid var(--naut-mint);justify-content:center;align-items:center;gap:10px;margin:0;padding:8px 16px;display:flex}.math-specimen :is(img,video){flex-shrink:0;width:120px;height:120px}.math-specimen .math-visitor-grid{flex-shrink:0}.math-specimen.math-visitor-group{padding:14px 16px;display:block}.math-visitor-group .math-visitor-grid{grid-template-columns:repeat(var(--visitor-mobile-columns,1), minmax(0, 1fr));gap:4px;max-width:420px;margin-inline:auto}.math-specimen.math-visitor-group :is(img,video){width:100%;height:auto;max-height:140px}.math-specimen.math-visitor-group figcaption{text-align:center;max-width:none;margin-top:10px}.math-specimen figcaption{text-align:left;max-width:125px;margin:0;font-size:15px}.math-problem{padding:16px}.math-problem h2{font-size:25px}.math-story{font-size:16px}.math-facts{gap:6px;font-size:13px}.math-facts span{padding:6px 8px}.math-equation{margin:14px 0;font-size:clamp(32px,9vw,40px)}.math-answer-entry{gap:8px;font-size:14px}.math-answer-entry input{width:85px}.math-answer>button{width:100%}.advanced-game .game-tools{gap:8px}.advanced-game .game-tools .naut-button{padding:8px 10px;font-size:13px}.group-strategy{padding:16px}.group-strategy h3{font-size:21px}.dot-group{min-width:60px;padding:8px}}