/*! tailwindcss v4.3.3 | MIT License | https://tailwindcss.com */
@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial;--tw-outline-style:solid}}}@layer theme{:root,:host{--font-sans:"Avenir Next","Segoe UI",Arial,sans-serif;--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing:.25rem;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring:where(:not(iframe)){outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.visible{visibility:visible}.sr-only{clip-path:inset(50%);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.m-1{margin:var(--spacing)}.block{display:block}.inline{display:inline}.table{display:table}.w-12{width:calc(var(--spacing) * 12)}.transform{transform:var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) var(--tw-skew-y,)}.outline{outline-style:var(--tw-outline-style);outline-width:1px}}:root{color:#1f2937;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;--ink:#171717;--gold:#f5bd22;--blue:#355bea;--muted:#586579;--border:#dce2ed;--green:#147568;background:#f5f2e9;font-family:Avenir Next,Segoe UI,Arial,sans-serif;font-size:16px}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,a,input{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a{color:inherit;text-decoration:none}button:disabled{cursor:default;opacity:.5}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline-offset:4px;outline:3px solid #171717}main:focus{outline:none}h1,h2,h3,p{margin:0}h1,h2,h3{letter-spacing:-.045em;font-weight:750;line-height:1.16}p{line-height:1.65}h1{font-size:clamp(2.2rem,4vw,3.4rem)}h2{font-size:1.8rem}h3{font-size:1.05rem}button{border:0}svg{flex-shrink:0}input[type=checkbox]{accent-color:#171717;flex-shrink:0;width:20px;height:20px}progress{appearance:none;background:#e7ebf3;border:0;border-radius:8px;width:100%;height:8px;overflow:hidden}progress::-webkit-progress-bar{background:#e7ebf3}progress::-webkit-progress-value{background:var(--gold);border-radius:8px}progress::-moz-progress-bar{background:var(--gold)}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.skip-link{z-index:100;background:#fff;padding:14px;position:fixed;top:-100px;left:16px}.skip-link:focus{top:10px}.site-header{background:#fff;border-bottom:1px solid #e4e9f2}.header-inner{justify-content:space-between;align-items:center;gap:25px;max-width:1320px;min-height:88px;margin:auto;padding:0 38px;display:flex}.brand{letter-spacing:-1px;align-items:center;gap:11px;font-size:24px;font-weight:800;line-height:1.05;display:flex}.brand-symbol{color:var(--gold);background:#171717;border-radius:14px;place-items:center;width:45px;height:45px;display:grid;transform:rotate(-5deg)}.brand-small{letter-spacing:2px;margin-top:6px;font-size:9px;font-weight:700;display:block}.site-header nav{gap:30px;display:flex}.site-header nav a{border-bottom:3px solid #0000;align-items:center;gap:8px;padding:30px 0;font-size:14px;font-weight:650;display:flex}.site-header nav a.active{color:#171717;border-color:var(--gold)}.header-actions,.row{align-items:center;gap:12px;display:flex}.between{justify-content:space-between}.centered{flex-wrap:wrap;justify-content:center}.star-pill{color:#8a5a00;background:#fffbec;border:1px solid #eee2be;border-radius:30px;align-items:center;gap:6px;padding:9px 12px;font-size:14px;font-weight:750;display:flex}.button{min-height:46px;color:var(--ink);background:#edf1f8;border:1px solid #0000;border-radius:10px;justify-content:center;align-items:center;gap:9px;padding:12px 19px;font-size:14px;font-weight:700;transition:background .15s,transform .15s;display:inline-flex}.button:hover:not(:disabled){transform:translateY(-2px)}.primary{background:var(--gold);color:#171717;border-color:#171717;box-shadow:0 3px #171717}.primary:hover:not(:disabled){color:#171717;background:#e0aa12}.outline{background:#fff;border:1px solid #cbd3e3}.quiet{color:var(--muted);background:0 0}.large{min-height:52px;padding:15px 21px}.classroom-toggle{background:#f3f5fa;border:1px solid #e0e5ef;min-height:44px;padding:9px 12px;font-size:12px}.classroom-toggle.on{background:var(--ink);color:#fff}.page{max-width:1244px;margin:auto;padding:40px 0 64px}.home-topline{justify-content:space-between;align-items:center;margin:0 0 22px;display:flex}.eyebrow{letter-spacing:2px;color:#5a657c;align-items:center;gap:9px;font-size:10px;font-weight:800;display:flex}.live-dot{background:#2b997c;border-radius:50%;width:7px;height:7px;display:inline-block;box-shadow:0 0 0 4px #e4f3ed}.grade-switch{border:1px solid var(--border);background:#ebeff6;border-radius:10px;gap:3px;padding:4px;font-size:12px;font-weight:700;display:flex}.grade-switch>span,.grade-switch>a,.grade-switch>button{color:#647084;background:0 0;align-items:center;gap:8px;padding:9px 14px;display:flex}.grade-switch .active{box-shadow:inset 0 -2px var(--gold);color:#171717;background:#fff;border-radius:7px}.grade-switch small{text-transform:uppercase;letter-spacing:.6px;color:#515e71;background:#dde3ed;border-radius:4px;padding:3px 5px;font-size:8px}.hero{grid-template-columns:1.12fr 1fr;align-items:center;gap:56px;padding:15px 0 38px;display:grid}.hero-copy{padding:16px 0}.hero-kicker{color:#526181;margin-bottom:18px;font-size:13px;font-weight:650;display:block}.hero h1{letter-spacing:-3px;font-size:clamp(42px,4.3vw,62px);font-weight:800;line-height:1.06}.hero h1>span{color:#171717;box-shadow:inset 0 -.14em var(--gold)}.hero-copy>p{color:var(--muted);margin:23px 0 25px;font-size:14px;line-height:1.8}.hero-actions{gap:10px;display:flex}.hero-meta{color:#61708a;gap:20px;margin-top:22px;font-size:10px;display:flex}.hero-meta span{align-items:center;gap:5px;display:flex}.hero-meta svg{color:#238877}.hero-board{background:#e9edf9 radial-gradient(#abb9d04d 1px,#0000 1px) 0 0/18px 18px;border:1px solid #dbe1f2;border-radius:22px;min-height:345px;padding:25px 28px;position:relative;overflow:hidden}.board-caption{letter-spacing:1.6px;color:#51617e;align-items:center;gap:9px;font-size:8px;font-weight:800;display:flex}.board-heading{letter-spacing:-.7px;color:#506081;margin-top:20px;font-size:24px;line-height:1.3}.board-heading strong{color:var(--ink)}.hero-puzzle{justify-content:center;align-items:center;padding:20px 0 12px;display:flex}.puzzle-tile{border-radius:13px;flex:1;max-width:200px;min-height:142px;padding:18px;position:relative;box-shadow:0 7px #1d365515}.tile-one{background:#fff;border:1px solid #d7def0;transform:rotate(-5deg)}.tile-two{color:#523b12;background:#f8c75a;transform:rotate(5deg)}.puzzle-tile>span{letter-spacing:1.2px;font-size:7px;font-weight:750}.puzzle-tile strong{letter-spacing:-1px;margin:16px 0 10px;font-size:35px;line-height:1.05;display:block}.puzzle-tile small{color:#63708a;font-size:8px}.tile-two strong{margin:10px 0;font-size:27px}.tile-two svg{background:#fff9;border-radius:50%;padding:4px;position:absolute;bottom:15px;right:14px}.connector{z-index:2;background:var(--gold);color:#171717;border:5px solid #e9edf9;border-radius:50%;place-items:center;min-width:47px;height:47px;margin:0 -10px;font-size:25px;display:grid}.board-bottom{color:#566583;justify-content:space-between;align-items:center;margin-top:12px;font-size:9px;display:flex}.board-bottom>span:first-child{align-items:center;gap:6px;display:flex}.board-sticker{background:var(--green);color:#fff;text-align:center;letter-spacing:.7px;border-radius:50%;place-content:center;width:54px;height:54px;margin:-12px 2px -8px;font-size:9px;font-weight:800;display:grid;transform:rotate(12deg)}.quick-grid{grid-template-columns:repeat(3,1fr);gap:17px;margin-top:6px;display:grid}.quick-card{background:#fff;border:1px solid #dde3ef;border-radius:12px;align-items:center;gap:14px;padding:20px 18px;transition:border .2s;display:flex}.quick-card:hover{border-color:#171717}.quick-card>svg{color:#758099;margin-left:auto}.quick-icon{border-radius:12px;flex-shrink:0;place-items:center;width:43px;height:43px;display:grid}.quick-icon.purple{color:#7056ac;background:#eee9ff}.quick-icon.orange{color:#a65c22;background:#fff0df}.quick-icon.green{color:#177365;background:#e2f1ec}.quick-card h2{letter-spacing:-.3px;font-size:15px}.quick-card p{color:var(--muted);margin-top:5px;font-size:10px}.section{margin-top:44px}.section-heading{justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:22px;display:flex}.section-heading h2{margin-top:9px;font-size:26px}.section-heading p{color:var(--muted);margin-top:8px;font-size:12px}.text-link{color:#171717;background:0 0;align-items:center;gap:8px;min-height:36px;padding:4px 0;font-size:12px;font-weight:700;display:inline-flex}.count-badge{background:#fff;border:1px solid #d9e0f4;border-radius:6px;padding:2px 6px;font-size:9px}.game-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;display:grid}.game-card{background:#fff;border:1px solid #e0e5f0;border-radius:14px;transition:transform .2s,box-shadow .2s;overflow:hidden}.game-card:hover{transform:translateY(-4px);box-shadow:0 8px 25px #203c6510}.game-art{background:var(--tint);height:157px;color:var(--deep);border-radius:9px;justify-content:center;align-items:center;margin:7px 7px 0;display:flex;position:relative;overflow:hidden}.blue{--tint:#e5edff;--deep:#345bba}.green{--tint:#dff2e8;--deep:#176e51}.orange{--tint:#fff0dc;--deep:#a65b22}.purple{--tint:#eee8ff;--deep:#6e4fa9}.yellow{--tint:#fff3c9;--deep:#8d660d}.pink{--tint:#fce5ed;--deep:#a3486a}.game-art-label{letter-spacing:.5px;border:1px solid var(--deep);font-size:8px;font-weight:750;position:absolute;top:12px;left:13px}@supports (color:color-mix(in lab, red, red)){.game-art-label{border:1px solid color-mix(in srgb,var(--deep) 18%,transparent)}}.game-art-label{background:#ffffff50;border-radius:20px;padding:4px 8px}.game-symbol{z-index:1;letter-spacing:-2px;align-items:center;gap:12px;margin-top:18px;font-size:44px;font-weight:800;display:flex;transform:rotate(-5deg)}.game-symbol>span{box-shadow:0 4px 0 var(--deep);background:#fff;place-items:center;display:grid}@supports (color:color-mix(in lab, red, red)){.game-symbol>span{box-shadow:0 4px 0 color-mix(in srgb,var(--deep) 20%,transparent)}}.game-symbol>span{border:1px solid #fff7;border-radius:12px;min-width:58px;height:65px;padding:4px 10px}.game-symbol>span:nth-child(2){background:var(--deep);color:#fff;transform:rotate(12deg)}.art-matching .game-symbol{transform:rotate(-9deg)}.art-matching .game-symbol>span{width:110px;font-size:60px}.art-sorting .game-symbol>span{font-size:42px}.art-memory .game-symbol>span{color:#fff;background:#8969c0;border:3px solid #ab8ed6;width:60px;height:78px}.art-mystery-box .game-symbol>span{font-size:28px}.art-word-completion .game-symbol{gap:4px;font-size:25px}.art-word-completion .game-symbol>span{min-width:42px;height:55px}.art-detective .game-symbol>span{border-radius:50%;width:85px;height:85px;font-size:66px;box-shadow:4px 6px #87b7a3}.art-timeline .game-symbol{gap:7px;font-size:24px}.art-timeline .game-symbol>span{min-width:36px;height:46px}.art-timeline .game-symbol>span:nth-child(2){color:var(--deep);box-shadow:none;background:0 0}.art-quiz .game-symbol{gap:7px;font-size:27px}.art-quiz .game-symbol>span{min-width:43px;height:52px}.art-marathon .game-symbol{font-size:64px}.art-grid{border:1px solid var(--deep);width:100px;height:90px;position:absolute;bottom:-20px;right:-8px}@supports (color:color-mix(in lab, red, red)){.art-grid{border:1px solid color-mix(in srgb,var(--deep) 15%,transparent)}}.art-grid{box-shadow:0 0 0 15px var(--deep),0 0 0 30px var(--deep);border-radius:50%}@supports (color:color-mix(in lab, red, red)){.art-grid{box-shadow:0 0 0 15px color-mix(in srgb,var(--deep) 5%,transparent),0 0 0 30px color-mix(in srgb,var(--deep) 5%,transparent)}}.game-card-body{padding:18px 15px 19px}.game-card-body h3{letter-spacing:-.3px;font-size:13px;line-height:1.4}.game-card-body svg{color:#6a7894;width:15px}.game-card-body p{color:var(--muted);margin-top:6px;font-size:10px}.topic-preview{border-top:1px solid var(--border);padding-top:29px}.week-strip{grid-template-columns:repeat(6,1fr);gap:12px;display:grid}.week-strip>a{border:1px solid var(--border);background:#fff;border-radius:10px;flex-direction:column;gap:7px;padding:17px 15px;display:flex;position:relative}.week-strip>a:hover{border-color:#171717}.week-no{color:#171717;letter-spacing:-1px;font-size:24px;font-weight:800}.week-strip small{letter-spacing:1px;color:var(--muted);font-size:8px;font-weight:700}.week-strip strong{font-size:12px;font-weight:650;line-height:1.4}.week-strip svg{color:#8f9ab1;position:absolute;top:22px;right:13px}.privacy-note{color:var(--muted);text-align:center;justify-content:center;align-items:center;gap:9px;margin-top:35px;font-size:11px;display:flex}.site-footer{color:#67748b;border-top:1px solid #e0e5ef;justify-content:space-between;align-items:center;gap:20px;max-width:1244px;margin:auto;padding:27px 0 35px;font-size:10px;display:flex}.site-footer .row{color:#3e4d66;gap:8px}.site-footer p,.site-footer>a{align-items:center;gap:6px;display:flex}.page-heading{max-width:830px;margin:16px 0 32px}.page-heading h1{margin:13px 0 18px}.page-heading p{color:var(--muted);max-width:750px}.page-heading .button{margin-top:20px}.filter-row{flex-wrap:wrap;gap:9px;margin:20px 0;display:flex}.chip{background:#fff;border:1px solid #d6deeb;border-radius:9px;align-items:center;min-height:44px;padding:10px 17px;font-size:13px;font-weight:650;display:inline-flex}.chip.active{background:var(--ink);color:#fff;border-color:var(--ink)}.muted{color:var(--muted);font-size:13px;line-height:1.6}.catalog-grid{grid-template-columns:repeat(3,minmax(0,1fr));margin-top:25px}.catalog-grid .game-art{height:190px}.catalog-grid h3{font-size:17px}.catalog-grid p{font-size:13px}.topics-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;display:grid}.topic-card{border:1px solid var(--border);background:#fff;border-radius:16px;flex-direction:column;gap:20px;padding:25px;display:flex}.topic-card:hover{border-color:#171717}.topic-card .week-no{font-size:35px}.topic-card h2{letter-spacing:-.7px;font-size:23px}.topic-card>p{color:var(--muted);flex:1;font-size:13px}.pill{white-space:nowrap;background:#edf1f8;border-radius:20px;padding:7px 12px;font-size:11px;font-weight:700;display:inline-block}.topic-progress small{color:var(--muted);font-size:11px}.back-link{color:var(--muted);background:0 0;align-items:center;min-height:44px;padding:8px 0;font-size:13px;display:inline-flex}.subheading{margin:32px 0 18px;font-size:23px}.subheading>span{color:var(--muted);letter-spacing:0;margin-left:10px;font-size:12px;font-weight:500}.concept-grid{grid-template-columns:repeat(3,minmax(0,1fr));align-items:start;gap:15px;display:grid}.concept-card{border:1px solid var(--border);background:#fff;border-radius:12px;overflow:hidden}.concept-card>button{text-align:left;background:0 0;justify-content:space-between;align-items:center;gap:10px;width:100%;min-height:70px;padding:21px;font-size:16px;font-weight:750;display:flex}.concept-card.open{border-color:#171717}.concept-body{padding:0 21px 21px}.concept-body>p{font-size:14px}.example{background:#f0f4fc;border-radius:8px;margin:14px 0;padding:14px;font-size:12px;line-height:1.5}.example strong{color:#405c9a;font-size:10px}.example p{margin-top:4px}.source{color:#657189;font-size:10px}.pending{color:#8c590c;align-items:center;gap:5px;margin:-7px 20px 15px;font-size:9px;display:flex}.notice{color:#345475;background:#edf4fc;border:1px solid #cbdcf1;border-radius:10px;gap:12px;margin:20px 0;padding:17px 20px;font-size:13px;line-height:1.65;display:flex}.panel{border:1px solid var(--border);background:#fff;border-radius:16px;margin-bottom:24px;padding:30px}.panel h2{margin-bottom:16px;font-size:23px}.panel>p{color:var(--muted);margin-bottom:15px}.play-page{max-width:960px}.session-heading{justify-content:space-between;align-items:center;gap:20px;margin:20px 0;display:flex}.session-heading h1{margin-top:10px;font-size:30px}.session-progress{height:7px;margin-bottom:25px}.toggle-label{color:var(--muted);align-items:center;gap:7px;font-size:12px;display:flex}.question-panel{padding:35px}.question-meta{color:var(--muted);letter-spacing:1px;font-size:10px;font-weight:700}.question-title{letter-spacing:-.5px;line-height:1.5;margin:20px 0 30px!important;font-size:clamp(21px,2.2vw,29px)!important}.answer-grid{grid-template-columns:1fr;gap:12px;display:grid}.answer-option{text-align:left;background:#f7f9fd;border:1px solid #d7deed;border-radius:12px;align-items:center;gap:16px;min-height:74px;padding:17px;font-size:17px;font-weight:600;line-height:1.5;display:flex}.answer-option:hover:not(:disabled){background:#edf2ff;border-color:#7c96de}.answer-letter{color:#566788;background:#fff;border:1px solid #d5ddea;border-radius:9px;place-items:center;min-width:37px;height:37px;font-size:14px;font-weight:800;display:grid}.binary{grid-template-columns:1fr 1fr}.binary .answer-option{justify-content:center;min-height:120px;font-size:25px}.binary .answer-option:first-child{color:#176a4e;background:#eaf6ef;border-color:#9fcbb7}.binary .answer-option:last-child{color:#9b4329;background:#fff0ea;border-color:#e2b8a9}.feedback{border-radius:12px;margin-top:24px;padding:24px;font-size:15px;line-height:1.6}.feedback p{margin:10px 0}.feedback .button{margin-top:12px}.feedback.success{color:#175740;background:#eaf6ef;border:1px solid #b6d8c9}.feedback.learning{color:#765016;background:#fff6e5;border:1px solid #ebd5ae}.feedback.neutral{color:#465b7b;background:#edf1fa}.feedback-heading{align-items:center;gap:9px;display:flex}.hint{color:#54647d;margin:14px 0;font-size:13px;line-height:1.6}.session-footnote{color:#66758b;text-align:center;font-size:11px}.game-instruction{color:#61708a;justify-content:space-between;margin-bottom:18px;font-size:12px;font-weight:650;display:flex}.match-grid{grid-template-columns:1fr 1.4fr;gap:20px;display:grid}.match-grid>div{flex-direction:column;gap:12px;display:flex}.match-card{text-align:left;background:#f5f8ff;border:1px solid #d0daed;border-radius:11px;min-height:96px;padding:18px;font-size:17px;font-weight:650;line-height:1.4}.match-card.definition{background:#fff9ea;border-color:#e5d9b8;font-size:14px;font-weight:500}.selected,.match-card.selected{outline-offset:0;outline:2px solid #171717;background:#e9efff!important}.match-card.matched,.memory-card.matched{opacity:1;color:#19644e;border-color:#9fc8b7;background:#e8f5ef!important}.sort-cards{grid-template-columns:repeat(2,1fr);gap:12px;margin:20px 0;display:grid}.sort-item{background:#f6f8fc;border:1px solid #d4deef;border-radius:10px;min-height:90px;padding:18px;font-size:16px;font-weight:700}.sort-item small{color:var(--muted);margin-top:8px;font-size:11px;font-weight:500;display:block}.category-grid{grid-template-columns:repeat(2,1fr);gap:15px;margin:25px 0;display:grid}.category{background:#f3f7fc;border:2px dashed #b6c8e3;border-radius:13px;flex-direction:column;align-items:center;gap:10px;min-height:130px;padding:20px;display:flex}.category-icon{color:#5973a5;font-size:24px}.category small{color:var(--muted);font-size:12px}.memory-grid{grid-template-columns:repeat(4,1fr);gap:12px;display:grid}.memory-card{color:#fff;background:#6a53a8;border:3px solid #8f7bc2;border-radius:12px;flex-direction:column;justify-content:center;align-items:center;gap:12px;min-height:165px;padding:15px;font-size:13px;line-height:1.45;display:flex;box-shadow:0 4px #c7bddf}.memory-card.flipped{color:#392c5a;opacity:1;background:#faf8ff;border-color:#d9d0ee}.memory-card small{text-transform:uppercase;letter-spacing:1px;font-size:9px}.card-mark{font-size:54px;font-weight:750}.timeline{flex-direction:column;gap:14px;margin:20px 0;padding:0;list-style:none;display:flex}.timeline li{background:#fff8ec;border:1px solid #e7d9bf;border-radius:11px;align-items:center;gap:15px;padding:17px;font-size:16px;display:flex}.timeline li>strong{flex:1;font-weight:600}.step-number{color:#754600;background:#f4dcad;border-radius:50%;place-items:center;min-width:35px;height:35px;font-weight:800;display:grid}.icon-button{background:#fff;border:1px solid #cfd8e7;border-radius:9px;justify-content:center;align-items:center;width:44px;height:44px;display:inline-flex}.word-game>label{margin:10px 0;font-size:13px;font-weight:650;display:block}.word-game>input{letter-spacing:1px;background:#fafbff;border:2px solid #becce4;border-radius:12px;width:100%;margin-bottom:20px;padding:20px;font-size:24px}.mystery-panel{text-align:center}.mystery-panel>svg{color:#a77919;margin:auto auto 16px}.mystery-box{color:#624912;background:#f8cc64;border:2px solid #dbae42;border-radius:13px;flex-direction:column;align-items:center;gap:12px;padding:30px 10px;display:flex;box-shadow:0 5px #e3b552}.mystery-box>span{font-size:40px;font-weight:800;line-height:1}.mystery-box small{font-size:11px}.mystery-box.opened{box-shadow:none;opacity:.8;background:#edf3ed;border-color:#d1dfd2}.timer{color:#446084;background:#edf3fb;border-radius:6px;padding:7px 9px;font-size:12px;font-weight:650}.timer.expired{color:#85520c;background:#fff1db}.exam-setup{max-width:940px}.setup-section{margin-bottom:30px}.exam-weeks{grid-template-columns:1fr 1fr;gap:12px;display:grid}.exam-week{cursor:pointer;border:1px solid #d8dfec;border-radius:10px;align-items:center;gap:13px;padding:17px;display:flex}.exam-week>span{color:var(--muted);flex-direction:column;flex:1;gap:5px;font-size:12px;display:flex}.exam-week strong{color:var(--ink);font-size:15px}.exam-week>svg{color:#171717}.selected-answer{background:#edf3fc;border:1px solid #c5d3ed;border-radius:9px;margin-top:16px;padding:15px;font-size:13px;line-height:1.7}.selected-answer .text-link{margin-left:14px}.exam-next{border-top:1px solid var(--border);justify-content:space-between;align-items:center;gap:20px;margin-top:24px;padding-top:20px;display:flex}.exam-next p{color:var(--muted);max-width:320px;font-size:12px}.result-hero{text-align:center;background:#fff8e4;border:1px solid #ead89a;border-radius:20px;margin-bottom:30px;padding:35px 30px}.result-stars{color:#986700;justify-content:center;gap:10px;margin-bottom:20px;display:flex}.result-hero .eyebrow{justify-content:center}.result-hero h1{margin:16px 0;font-size:35px}.result-hero>p{color:var(--muted);font-size:14px}.result-stats{grid-template-columns:repeat(5,1fr);margin:30px 0;display:grid}.result-stats>div{border-right:1px solid #cfd9ee;flex-direction:column;gap:9px;display:flex}.result-stats>div:last-child{border:0}.result-stats strong{color:#171717;font-size:32px;font-weight:800}.result-stats span{color:var(--muted);font-size:11px}.performance-list{flex-direction:column;gap:22px;margin-top:20px;display:flex}.performance-list strong,.performance-list a{font-size:14px;font-weight:650}.performance-list span{font-size:13px}.performance-list progress{margin-top:10px}.performance-list small{color:var(--muted);font-size:10px}.review-list{flex-direction:column;gap:12px;margin-top:20px;display:flex}.review-item{border:1px solid var(--border);background:#fff;border-radius:12px;overflow:hidden}.review-item summary{cursor:pointer;align-items:center;gap:12px;padding:18px;font-size:14px;font-weight:600;line-height:1.5;display:flex}.review-item summary>span:nth-child(2){flex:1}.review-item summary>span:last-child{color:#63718c;text-align:right;min-width:50px;font-size:10px}.review-status{color:#875611;background:#fbeccc;border-radius:50%;flex-shrink:0;place-items:center;width:28px;height:28px;display:grid}.review-item.correct .review-status{color:#216649;background:#e4f3e9}.review-item>div{border-top:1px solid #edf0f5;padding:0 22px 22px}.review-item p{margin:13px 0;font-size:13px}.progress-summary{grid-template-columns:repeat(3,1fr);gap:20px;display:grid}.progress-summary>div{flex-direction:column;align-items:center;gap:10px;display:flex}.progress-summary svg{color:#5878c2}.progress-summary strong{letter-spacing:-1px;font-size:39px}.progress-summary span{color:var(--muted);font-size:12px}.retry-banner{background:#edf3ff;justify-content:space-between;align-items:center;gap:20px;display:flex}.retry-banner h2{margin-bottom:8px}.retry-banner p{color:var(--muted);font-size:13px}.badges{grid-template-columns:repeat(4,1fr);gap:15px;margin:20px 0 30px;display:grid}.badge-card{text-align:center;color:#626f84;background:#eef1f6;border:1px dashed #c4cedf;border-radius:12px;flex-direction:column;align-items:center;gap:12px;padding:24px 15px;display:flex}.badge-card.earned{color:#815915;background:#fff4d8;border:1px solid #e3c481}.badge-card strong{font-size:14px}.badge-card small{font-size:10px}.game-achievements{grid-template-columns:1fr 1fr;gap:12px;margin-top:20px;display:grid}.game-achievements>a{border:1px solid var(--border);background:#fff;border-radius:10px;align-items:center;gap:10px;padding:17px;font-size:13px;display:flex}.game-achievements>a>span{flex:1}.game-achievements strong{color:#171717;font-size:10px}.history-list{flex-direction:column;gap:10px;margin:20px 0;display:flex}.history-list button{text-align:left;border:1px solid var(--border);background:#fff;border-radius:10px;justify-content:space-between;align-items:center;gap:16px;padding:20px;font-size:13px;display:flex}.history-list small{color:var(--muted);margin-top:5px;font-size:11px;display:block}.history-list button>span:last-child{color:#171717;font-size:11px}.settings-page{max-width:940px}.teacher-confirm{align-items:center;gap:10px;margin:22px 0 12px;font-size:14px;font-weight:650;display:flex}.approval-list{flex-direction:column;margin-top:24px;display:flex}.approval-list label{border-top:1px solid var(--border);align-items:center;gap:14px;padding:16px 0;font-size:14px;display:flex}.approval-list label>span:nth-child(2){flex:1}.approval-list small{color:var(--muted);margin-top:5px;font-size:11px;display:block}.privacy-panel>svg{color:var(--green);margin-bottom:18px}.danger-text{color:#a23530}.danger{color:#fff;background:#a23530}.reset-confirm{background:#fff0ed;border:1px solid #e6b9b1;border-radius:10px;padding:20px}.reset-confirm p{margin-bottom:17px;font-size:14px}.empty{text-align:center;min-height:50vh;padding-top:80px}.empty>svg{color:var(--green);margin:auto}.empty h1{margin:20px;font-size:30px}.empty p{color:var(--muted);margin:20px}.empty-inline{color:var(--muted);background:#edf1f8;border-radius:10px;margin:20px 0;padding:25px}.classroom-bar{background:var(--ink);color:#fff;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:20px;padding:18px 30px;display:flex}.classroom-bar>div>strong{font-size:15px}.classroom-bar small{color:#bcc9df;margin-top:5px;font-size:11px;display:block}.teams{gap:20px;display:flex}.team{align-items:center;gap:12px;display:flex}.team>span{font-size:13px}.team button{color:#fff;background:#34455f;border-radius:8px;width:48px;height:48px;font-size:24px}.team strong{text-align:center;min-width:25px;font-size:22px}.classroom-bar .quiet{color:#d0def5}.classroom-bar .icon-button{color:#171717}.classroom-bar .chip{color:#fff;background:#34455f;border-color:#55657c}.classroom-bar .chip.active{background:var(--gold);color:#171717;border-color:var(--gold)}.classroom .play-page{max-width:1380px}.classroom .question-title{font-size:clamp(27px,3vw,42px)!important}.classroom .answer-option{min-height:100px;font-size:25px}.classroom .match-card{min-height:130px;font-size:24px}.classroom .match-card.definition{font-size:20px}.classroom .memory-card{min-height:200px;font-size:20px}.classroom .button{min-height:54px;font-size:18px}.classroom .sort-item,.classroom .category,.classroom .timeline li{font-size:22px}.storage-warning{color:#78510c;text-align:center;background:#fff0d0;padding:14px 25px;font-size:13px}.storage-warning,.feedback,.review-item p{overflow-wrap:anywhere}@media (width>=1500px){.page,.site-footer{max-width:1280px}.header-inner{max-width:1356px}.hero{gap:85px}.hero-board{min-height:365px}.hero h1{font-size:65px}.hero-copy>p{font-size:15px}.game-art{height:175px}.home{padding-top:38px}}@media (width<=1350px){.page,.site-footer{margin-left:38px;margin-right:38px}.play-page,.exam-setup,.settings-page{width:calc(100% - 76px);margin-left:auto;margin-right:auto}.header-inner{padding:0 38px}.hero{gap:35px}.hero-actions .button{font-size:12px}.hero-meta{gap:12px}}@media (width<=1050px){.site-header nav{gap:18px}.site-header nav a{font-size:12px}.header-inner{gap:15px;padding:0 25px}.brand{font-size:21px}.classroom-toggle>span{display:none}.hero{gap:25px}.hero h1{letter-spacing:-2px;font-size:46px}.hero-actions{flex-direction:column;align-items:flex-start}.hero-meta{flex-wrap:wrap}.hero-board{min-height:340px;padding:22px}.puzzle-tile{padding:13px}.quick-card{gap:10px;padding:16px 13px}.quick-card p{font-size:9px}.quick-card h2{font-size:13px}.quick-icon{width:36px;height:36px}.game-grid{gap:14px}.game-art{height:140px}.game-card-body{padding:15px 12px}.game-card-body h3{font-size:12px}.week-strip{grid-template-columns:repeat(3,1fr)}.site-footer{flex-wrap:wrap}.topics-grid,.concept-grid{grid-template-columns:repeat(2,1fr)}.classroom-bar{justify-content:center}.classroom-bar>div:first-child{display:none}.teams{gap:12px}}@media (width<=760px){.header-inner{flex-wrap:wrap;gap:12px;min-height:75px;padding:16px 20px 0}.brand{font-size:20px}.brand-symbol{width:38px;height:38px}.brand-small{font-size:8px}.header-actions{margin-left:auto}.site-header nav{order:3;justify-content:space-around;gap:10px;width:100%}.site-header nav a{flex:1;justify-content:center;padding:10px 4px;font-size:12px}.page{width:100%;margin:0;padding:26px 20px 40px}.site-footer{gap:16px;margin:0;padding:25px 20px;font-size:10px}.home-topline{align-items:flex-start;gap:12px}.home-topline>.eyebrow{letter-spacing:1px;max-width:110px;margin-top:7px;font-size:8px;line-height:1.6}.grade-switch{font-size:10px}.grade-switch>span{padding:8px}.grade-switch small{font-size:7px}.hero{grid-template-columns:1fr;gap:20px;padding:0 0 28px}.hero-copy{padding:13px 0}.hero h1{letter-spacing:-2.2px;font-size:clamp(43px,9vw,60px)}.hero-kicker{margin-bottom:14px;font-size:12px}.hero-copy>p{margin:18px 0;font-size:13px}.hero-actions{flex-direction:row;align-items:stretch;gap:8px}.hero-actions .button{min-height:49px;padding:12px;font-size:11px}.hero-actions .button>svg:last-child{display:none}.hero-meta{gap:12px;margin-top:18px;font-size:9px}.hero-board{min-height:295px;padding:20px 24px}.board-heading{margin-top:16px;font-size:23px}.hero-puzzle{opacity:1;width:54%;max-width:300px;padding:0;position:absolute;top:60px;right:20px;transform:rotate(3deg)}.hero-board{min-height:265px}.board-heading{max-width:40%;font-size:23px;line-height:1.4}.puzzle-tile{width:90px;min-height:120px;padding:12px}.puzzle-tile strong{font-size:28px}.puzzle-tile small{display:none}.puzzle-tile>span{font-size:6px}.tile-two strong{font-size:22px}.connector{border-width:3px;width:35px;min-width:35px;height:35px;font-size:17px}.tile-two svg{width:22px;height:22px;bottom:6px;right:8px}.board-bottom{margin-top:35px}.board-sticker{width:45px;height:45px;margin:0;font-size:8px}.quick-grid{grid-template-columns:1fr;gap:10px}.quick-card{gap:15px;padding:15px 18px}.quick-card h2{font-size:15px}.quick-card p{font-size:11px}.quick-icon{width:42px;height:42px}.section{margin-top:33px}.section-heading{align-items:center;gap:10px;margin-bottom:18px}.section-heading h2{font-size:23px}.section-heading p,.text-link{font-size:11px}.section-heading>.text-link{white-space:nowrap}.section-heading>.text-link .count-badge{display:none}.eyebrow{letter-spacing:1.4px;font-size:9px}.game-grid,.catalog-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.game-art,.catalog-grid .game-art{height:135px;margin:5px 5px 0}.game-art-label{padding:3px 6px;font-size:7px;top:10px;left:8px}.game-symbol{gap:8px;font-size:34px}.game-symbol>span{min-width:43px;height:54px;padding:5px 8px}.art-memory .game-symbol>span{width:45px;height:64px}.art-matching .game-symbol>span{width:80px;font-size:49px}.game-card-body,.catalog-grid .game-card-body{padding:13px 11px}.game-card-body h3,.catalog-grid h3{font-size:12px;line-height:1.45}.game-card-body p,.catalog-grid p{font-size:10px;line-height:1.6}.game-card-body .row{gap:4px}.game-card-body svg{width:13px}.art-word-completion .game-symbol>span,.art-quiz .game-symbol>span{width:27px;min-width:27px;height:42px;padding:0;font-size:20px}.art-timeline .game-symbol{gap:2px;font-size:21px}.art-timeline .game-symbol>span{min-width:28px;padding:2px}.week-strip{gap:10px}.week-strip>a{padding:14px 12px}.week-strip strong{font-size:11px}.week-strip svg{width:13px;top:18px;right:9px}.week-strip small{font-size:7px}.week-no{font-size:23px}.privacy-note{text-align:left;align-items:flex-start;font-size:10px;line-height:1.7}.page-heading h1{font-size:33px}.page-heading p{font-size:14px}.topics-grid{grid-template-columns:1fr}.topic-card{gap:15px;padding:23px}.concept-grid{grid-template-columns:1fr}.concept-card>button{min-height:70px}.panel{border-radius:13px;padding:21px 18px}.panel h2{font-size:21px}.play-top{gap:10px}.toggle-label{gap:5px;font-size:10px}.toggle-label input{width:17px;height:17px}.session-heading{gap:10px}.session-heading h1{font-size:25px}.pill{padding:6px 9px;font-size:10px}.question-title{margin-bottom:23px!important;font-size:22px!important}.question-meta{font-size:9px}.answer-option{gap:12px;min-height:74px;padding:13px;font-size:15px}.binary .answer-option{gap:8px;min-height:100px;padding:12px 8px;font-size:20px}.binary .answer-letter{min-width:28px;height:30px}.match-grid{grid-template-columns:.8fr 1.2fr;gap:10px}.match-card{min-height:120px;padding:12px;font-size:14px}.match-card.definition{min-height:120px;font-size:12px}.game-instruction{font-size:11px}.feedback{padding:17px;font-size:13px}.feedback-heading{align-items:flex-start}.sort-cards{gap:10px}.sort-item{padding:12px;font-size:13px}.category{min-height:125px;padding:15px 10px;font-size:13px}.category-grid{gap:10px}.memory-grid{grid-template-columns:repeat(2,1fr);gap:10px}.memory-card{min-height:145px;padding:12px;font-size:12px}.timeline li{gap:8px;padding:11px;font-size:13px}.timeline .row{flex-direction:column;gap:5px}.timeline .icon-button{width:40px;height:40px}.step-number{min-width:28px;height:28px;font-size:12px}.box-grid{grid-template-columns:repeat(2,1fr);gap:14px}.mystery-box{padding:25px 10px}.exam-weeks{grid-template-columns:1fr}.exam-week{padding:15px}.exam-next{flex-direction:column;align-items:stretch;gap:14px}.exam-next p{max-width:none}.exam-next .button{font-size:13px}.result-hero{padding:25px 18px}.result-hero h1{font-size:29px}.result-stats{grid-template-columns:repeat(3,1fr);row-gap:25px}.result-stats>div:nth-child(3){border:0}.result-stats strong{font-size:29px}.result-stats span{font-size:10px}.result-hero .button{font-size:12px}.performance-list .row{align-items:flex-start;gap:15px}.performance-list a,.performance-list strong{font-size:12px;line-height:1.6}.review-item summary{gap:9px;padding:15px 12px;font-size:12px}.review-item summary>span:last-child{display:none}.review-item p{font-size:12px}.review-item>div{padding:0 16px 15px}.progress-summary{gap:9px}.progress-summary .panel{padding:22px 9px}.progress-summary strong{font-size:32px}.progress-summary span{text-align:center;font-size:9px}.retry-banner{flex-direction:column;align-items:flex-start}.badges{grid-template-columns:repeat(2,1fr);gap:10px}.badge-card{padding:20px 12px}.game-achievements{grid-template-columns:1fr}.history-list button{gap:8px;padding:17px 13px;font-size:11px}.history-list button>span:last-child{display:none}.approval-list label{gap:10px;font-size:12px}.approval-list .pill{white-space:normal;text-align:center;max-width:80px;font-size:8px}.teacher-confirm{font-size:13px}.reset-confirm .row{flex-wrap:wrap}.classroom-bar{gap:13px;padding:13px 12px}.teams{justify-content:space-between;gap:7px;width:100%}.team{flex-wrap:wrap;justify-content:center;gap:5px;max-width:105px}.team>span{text-align:center;width:100%;font-size:11px}.team button{width:44px;height:44px}.team strong{min-width:20px;font-size:17px}.classroom .question-title{font-size:27px!important}.classroom .answer-option{font-size:20px}.classroom .button{font-size:15px}.classroom .match-card{min-height:160px;font-size:18px}.classroom .match-card.definition{font-size:15px}.classroom .memory-card{font-size:16px}.classroom .sort-item,.classroom .category,.classroom .timeline li{font-size:17px}.storage-warning{font-size:12px}}@media (width<=380px){.hero-actions{flex-direction:column}.hero-board{min-height:260px;padding:18px}.board-heading{font-size:20px}.board-caption{font-size:7px}.hero-puzzle{width:54%;right:12px}.puzzle-tile{padding:10px}.puzzle-tile strong{font-size:24px}.tile-two strong{font-size:20px}.hero-meta{gap:7px}.game-art{height:122px}.art-sorting .game-symbol{gap:5px}.art-sorting .game-symbol>span{min-width:36px}.site-header nav a{gap:5px;font-size:11px}.star-pill{padding:7px 9px}.header-actions{gap:7px}.home-topline>.eyebrow{max-width:80px}.grade-switch>span{padding:7px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}@media print{.site-header,.site-footer,.classroom-bar,.button{display:none}.page{max-width:none;margin:0;padding:0}.review-item{break-inside:avoid}.review-item>div{display:block}.result-hero{background:#fff}}.grade-picks{grid-template-columns:1fr 1fr;gap:18px;margin-top:8px;display:grid}.grade-pick{color:#171717;background:#fff;border:2px solid #171717;border-radius:18px;flex-direction:column;align-items:flex-start;gap:12px;min-height:240px;padding:28px;display:flex;box-shadow:0 4px #171717}.grade-pick.gold{background:#f5bd22}.grade-pick small{letter-spacing:.08em;font-size:11px;font-weight:800}.grade-pick strong{letter-spacing:-1px;font-size:clamp(32px,4vw,48px)}.grade-pick>span{max-width:36ch;font-size:15px;line-height:1.5}.grade-chip{color:#171717;background:#f5bd22;border:1px solid #171717;border-radius:999px;padding:8px 10px;font-size:12px;font-weight:800}.modal-back{z-index:60;background:#17171799;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.modal{color:#171717;background:#fff;border-radius:16px;flex-direction:column;gap:14px;width:min(100%,440px);max-width:440px;padding:24px;display:flex}.play-count{color:#586579;margin-top:8px;font-size:10px;display:block}.settings-page input:not([type=checkbox]){color:#171717;background:#fff;border:2px solid #d7deea;border-radius:12px;width:100%;max-width:420px;margin:8px 0 16px;padding:14px;display:block}.history-list li{border-top:1px solid var(--border);padding:12px 0}@media (width<=760px){.grade-picks{grid-template-columns:1fr}.nav-label{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}}.app{flex-direction:column;min-height:100dvh;display:flex}.app>main{flex:1 0 auto;width:100%}.site-footer{grid-template-columns:1fr auto 1fr;align-self:center;align-items:center;width:min(1244px,100%);display:grid}.site-footer p.footer-company,.site-footer p.footer-name{display:block}.footer-company{color:#3e4d66;justify-self:start}.footer-company strong{color:#171717;font-weight:750;display:inline}.footer-name{text-align:center;justify-self:center}.site-footer>a{justify-self:end}@media (width>=1500px){.site-footer{width:min(1280px,100%)}}@media (width<=1350px){.site-footer{width:min(1244px,100% - 76px)}}@media (width<=760px){.site-footer{width:100%}}@keyframes page-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}@keyframes page-out{0%{opacity:1}to{opacity:0}}::view-transition-old(.page-move){animation:.18s ease-out both page-out}::view-transition-new(.page-move){animation:.22s cubic-bezier(.16,1,.3,1) both page-in}::view-transition-group(.page-move){mix-blend-mode:normal;animation:none}::view-transition-group(root){mix-blend-mode:normal;animation:none}::view-transition-old(root){mix-blend-mode:normal;animation:none}::view-transition-new(root){mix-blend-mode:normal;animation:none}.button,.game-card,.chip,.answer-option,.match-card,.grade-switch>button,.grade-switch>a,.quick-card{transition:transform .16s ease-out,box-shadow .16s ease-out,background-color .16s ease-out,border-color .16s ease-out,color .16s ease-out}@media (hover:hover) and (pointer:fine){.button:hover:not(:disabled){transform:scale(1.02)}.game-card:hover{transform:translateY(-3px)scale(1.012);box-shadow:0 10px 22px #203c6518}.quick-card:hover{transform:translateY(-2px)}}@media (hover:none){.button:hover:not(:disabled),.quick-card:hover{transform:none}.game-card:hover{box-shadow:none;transform:none}}.memory-card:active:not(:disabled):not(.flipped),.button:active:not(:disabled),.game-card:active,.chip:active:not(:disabled),.answer-option:active:not(:disabled),.match-card:active:not(:disabled),.team button:active{transform:scale(.98)}.button:disabled,button:disabled:hover,button:disabled:active{transform:none}.grade-switch>button,.grade-switch>a,.chip{transition:background-color .18s ease-out,color .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out,transform .16s ease-out}.filter-fade{animation:.2s ease-out both page-in}.exam-week{transition:background-color .18s ease-out,border-color .18s ease-out}.feedback.success{animation:.28s ease-out success-in}.feedback.success .feedback-heading svg{animation:.28s ease-out pop}@keyframes success-in{0%{opacity:0;transform:translateY(6px);box-shadow:inset 0 0 0 2px #8dceb0}to{opacity:1;box-shadow:none;transform:none}}@keyframes pop{0%{opacity:0;transform:scale(.7)}to{opacity:1;transform:none}}.feedback.learning{animation:.28s ease-out nudge}@keyframes nudge{0%{transform:translate(0);box-shadow:inset 3px 0 #e08a7a}40%{transform:translate(3px)}70%{transform:translate(-2px)}to{box-shadow:none;transform:none}}.match-card.matched{animation:.26s ease-out match-in}@keyframes match-in{0%{transform:scale(.98)}to{transform:none}}.memory-card{transform-style:preserve-3d;background:0 0;transition:transform .28s ease-out;position:relative}.memory-card.flipped{background:0 0;transform:rotateY(180deg)}.memory-face{border-radius:inherit;backface-visibility:hidden;flex-direction:column;justify-content:center;align-items:center;gap:12px;padding:15px;display:flex;position:absolute;inset:0}.memory-back{color:#fff;background:#6a53a8}.memory-front{color:#392c5a;background:#faf8ff;transform:rotateY(180deg)}.memory-card.matched .memory-front{color:#19644e;background:#e8f5ef}.memory-card.flipped:active:not(:disabled){transform:rotateY(180deg)scale(.98)}.score-pop{animation:.22s ease-out score-pop}@keyframes score-pop{0%{transform:scale(1.14)}to{transform:none}}.result-hero{animation:.28s ease-out both page-in}.result-stars svg{animation:.3s ease-out both pop}.result-stars svg:nth-child(2){animation-delay:40ms}.result-stars svg:nth-child(3){animation-delay:80ms}@media (prefers-reduced-motion:reduce){::view-transition-old(*){animation:none!important}::view-transition-new(*){animation:none!important}::view-transition-group(*){animation:none!important}}.game-scene{object-fit:cover;object-position:center;width:100%;height:100%;display:block;position:absolute;inset:0}.game-art.has-scene,.catalog-grid .game-art.has-scene{aspect-ratio:16/9;background:0 0;border-radius:13px 13px 0 0;height:auto;margin:0}.game-art.has-scene .game-art-label{z-index:1;background:#ffffffeb}.play-meters{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:8px;display:flex}.play-meter{color:#1f2937;background:#fff;border:1px solid #dce2ed;border-radius:999px;align-items:center;min-height:36px;padding:6px 10px;font-size:12px;font-weight:750;display:inline-flex}.play-meter.score{color:#171717;background:#f5bd22;border-color:#171717}.play-brief{color:#3e4d66;max-width:52ch;margin:0 0 10px;font-size:15px;line-height:1.5}.how-to{background:#fff;border:1px solid #dce2ed;border-radius:12px;margin:0 0 18px}.how-to-toggle{text-align:left;background:0 0;justify-content:space-between;align-items:center;gap:12px;width:100%;min-height:44px;padding:12px 16px;font-size:13px;font-weight:750;display:flex}.how-to-toggle:after{content:"+";color:#171717;font-size:18px}.how-to-toggle[aria-expanded=true]:after{content:"–"}.how-to ol{flex-direction:column;gap:6px;margin:0;padding:0 18px 14px 34px;display:flex}.how-to li{color:#3e4d66;font-size:13px;line-height:1.55}.question-panel{border-color:#d5dce8;box-shadow:0 8px #1717170f}.match-label{letter-spacing:.06em;text-transform:uppercase;color:#5a657c;margin:0 0 8px;font-size:11px;font-weight:800}.match-column{flex-direction:column;gap:12px;display:flex}.match-card{border:1.5px solid #d0daed;border-radius:14px;flex-direction:column;justify-content:center;gap:8px;min-height:88px;display:flex;box-shadow:0 5px #d7deea}.match-card-text{display:block}.match-state{letter-spacing:.04em;text-transform:uppercase;color:#345bba;align-items:center;gap:4px;font-size:10px;font-weight:800;display:inline-flex}.match-state.done{color:#147568}.match-card.selected{border-color:#171717;outline:none;box-shadow:0 5px #171717,inset 0 0 0 2px #f5bd22;background:#fff8dc!important}.match-card.matched{box-shadow:0 5px #9fc8b7}.match-card.missed{border-color:#c96b5a;animation:.28s ease-out nudge;background:#fff1ed!important}.pair-live{color:#1f2937;margin:14px 0 0;font-size:14px}.memory-grid{perspective:900px}.memory-grid.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.memory-grid.cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}.memory-card{perspective:none;border:0;box-shadow:0 7px #cfd6e4}.memory-back{color:#f5bd22;background:#171717;border:1px solid #171717}.memory-front{color:#1f2937;background:#fff;border:1px solid #dce2ed}.memory-card.matched .memory-front{color:#147568;background:#e8f5ef;border-color:#9fc8b7}.memory-front small{align-items:center;gap:4px;display:inline-flex}.answer-option{border:1.5px solid #d7deed;border-radius:14px;box-shadow:0 4px #d7deea}.answer-option.chosen{background:#fff8dc;border-color:#171717;box-shadow:0 4px #171717,inset 0 0 0 2px #f5bd22}.case-file{grid-template-columns:92px 1fr;align-items:start;gap:18px;margin:18px 0 28px;display:grid}.case-helper{object-fit:cover;object-position:center 20%;background:#f5f2e9;border:1px solid #dce2ed;border-radius:16px;width:92px;height:92px}.case-kicker{letter-spacing:.08em;text-transform:uppercase;color:#147568;margin:0 0 8px;font-size:11px;font-weight:800}.game-detective .question-title{margin:0!important}.game-detective .answer-option{min-height:80px}@media (width<=768px){.play-top{align-items:flex-start}.play-meters{justify-content:flex-start}.match-grid{grid-template-columns:1fr}.match-card,.match-card.definition{min-height:72px;font-size:16px}.memory-grid,.memory-grid.cols-3,.memory-grid.cols-4{grid-template-columns:repeat(2,minmax(0,1fr))}.case-file{grid-template-columns:64px 1fr;gap:12px;margin:14px 0 20px}.case-helper{border-radius:12px;width:64px;height:64px}}@media (width<=360px){.play-brief{font-size:14px}.play-meter,.pill,.toggle-label{font-size:11px}.match-card,.answer-option{min-height:72px}}@media (width>=1366px){.play-page{max-width:1040px}.match-card{min-height:100px;font-size:18px}.memory-card{min-height:180px}}@media (width>=1920px){.classroom .play-page{max-width:1480px}.classroom .match-card{min-height:140px}.classroom .memory-card{min-height:210px}.classroom .answer-option{min-height:108px}}.header-inner,.header-actions,.site-header nav{min-width:0}@media (width<=900px){.header-inner{flex-wrap:wrap;gap:10px 16px;min-height:76px;padding:12px 20px 0}.header-actions{flex-wrap:wrap;justify-content:flex-end;margin-left:auto}.site-header nav{order:3;justify-content:space-around;gap:8px;width:100%}.site-header nav a{flex:1;justify-content:center;min-height:44px;padding:10px 6px}}.match-hold{z-index:3;color:#171717;background:#f5bd22;border:1.5px solid #171717;border-radius:12px;margin:0 0 14px;padding:10px 14px;font-size:14px;font-weight:650;position:sticky;top:8px;box-shadow:0 4px #171717}.memory-read{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.memory-read .button{margin-top:0}.tf-board{grid-template-columns:1fr 1fr;gap:14px;display:grid}.tf-choice{letter-spacing:-.04em;border:2px solid #171717;border-radius:16px;flex-direction:column;justify-content:center;align-items:center;gap:10px;min-height:148px;font-size:28px;font-weight:800;transition:transform .14s ease-out,box-shadow .14s ease-out,background-color .14s ease-out;display:flex;box-shadow:0 6px #171717}.tf-choice.yes{color:#147568;background:#e7f6ee}.tf-choice.no{color:#9b4329;background:#fff1ea}.tf-choice:hover:not(:disabled){transform:translateY(-2px)}.tf-choice:active:not(:disabled){transform:translateY(3px);box-shadow:0 2px #171717}.tf-choice:disabled,.answer-option:disabled,.sort-item:disabled,.sort-bin-head:disabled,.match-card:disabled,.memory-card:disabled,.time-node:disabled,.mystery-box:disabled,.icon-button:disabled{opacity:1}.tf-choice:disabled:not(.chosen),.answer-option:disabled:not(.chosen){opacity:.55}.tf-choice.chosen{color:#171717;background:#fff8dc;box-shadow:0 6px #171717,inset 0 0 0 3px #f5bd22}.tf-mark{color:#f5bd22;background:#171717;border-radius:50%;place-items:center;width:56px;height:56px;font-size:30px;display:grid}.sort-board{flex-direction:column;gap:14px;display:flex}.sort-hold{color:#171717;background:#f5bd22;border:1.5px solid #171717;border-radius:12px;margin:0;padding:10px 14px;font-size:14px;font-weight:650}.sort-tray{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;display:grid}.sort-bins{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.sort-bins.count-3,.sort-bins.count-4{grid-template-columns:repeat(2,minmax(0,1fr))}.sort-bin{background:#fffdf6;border:2px dashed #171717;border-radius:16px;flex-direction:column;min-height:168px;display:flex;overflow:hidden}.sort-bin.ready{border-style:solid;box-shadow:0 5px #1717171f}.sort-bin-head{color:#f5bd22;text-align:left;background:#171717;border-radius:0;justify-content:space-between;align-items:center;gap:8px;width:100%;min-height:52px;padding:12px 14px;display:flex}.sort-bin-head strong{font-size:16px}.sort-bin-head small{color:#f5f2e9;font-size:11px}.sort-bin-body{flex-direction:column;gap:8px;padding:10px;display:flex}.sort-empty{color:#5a657c;margin:8px 4px;font-size:12px}.sort-item{text-align:left;background:#fff;border:1.5px solid #d7deea;border-radius:12px;flex-direction:column;align-items:flex-start;gap:6px;min-height:72px;padding:12px 14px;font-size:15px;font-weight:750;display:flex;box-shadow:0 4px #d7deea}.sort-item small{color:#5a657c;font-size:11px;font-weight:600}.sort-item.selected{background:#fff8dc;border-color:#171717;box-shadow:0 4px #171717,inset 0 0 0 2px #f5bd22}.sort-item.misplaced{box-shadow:none;background:#fff1ed;border-color:#c96b5a}.sort-item.misplaced small{color:#9b4329}.mystery-panel{text-align:center;color:#f5f2e9;background:#171717;border-color:#171717;box-shadow:0 8px #17171733}.mystery-panel h2{color:#fff}.mystery-panel>p{color:#d7deea}.vault-kicker{letter-spacing:.14em;text-transform:uppercase;color:#f5bd22;margin:0 0 8px;font-size:11px;font-weight:800}.box-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:22px;display:grid}.mystery-box{color:#f5bd22;background:#2a2a2a;border:2px solid #f5bd22;border-radius:14px;flex-direction:column;justify-content:flex-end;align-items:center;gap:8px;min-height:148px;padding:22px 10px 16px;display:flex;position:relative;overflow:hidden;box-shadow:0 7px #0b0b0b,inset 0 0 0 1px #3d3d3d}.mystery-lid{transform-origin:top;background:#f5bd22;border-radius:8px 8px 3px 3px;height:18px;transition:transform .32s;position:absolute;top:8px;left:8px;right:8px}.mystery-no{margin-top:18px;font-size:36px;font-weight:800;line-height:1}.mystery-box small{letter-spacing:.04em;text-transform:uppercase;font-size:11px;font-weight:750}.mystery-box:hover:not(:disabled){transform:translateY(-2px)}.mystery-box:active:not(:disabled),.mystery-box.opening{transform:translateY(3px);box-shadow:0 3px #0b0b0b}.mystery-box.opening .mystery-lid{transform:rotateX(-70deg)}.mystery-box.opened{color:#171717;box-shadow:none;background:#f5f2e9;border-color:#9fc8b7}.mystery-box.opened .mystery-lid{background:#9fc8b7;transform:rotateX(-80deg)}.box-reveal{animation:.32s ease-out box-open}@keyframes box-open{0%{opacity:0;transform:translateY(8px)scale(.98)}to{opacity:1;transform:none}}.game-mystery-box .question-title{font-size:clamp(22px,2.3vw,30px)!important}.word-game{flex-direction:column;gap:12px;display:flex}.word-count-row{justify-content:space-between;align-items:center;gap:12px;display:flex}.word-game>label,.word-count-row>label{margin:0;font-size:13px;font-weight:750}.word-count{color:#f5bd22;background:#171717;border-radius:999px;padding:6px 10px;font-size:12px;font-weight:800}.word-slots{flex-wrap:wrap;gap:6px;display:flex}.word-slots>span{background:#fff;border:1.5px solid #171717;border-radius:10px;place-items:center;min-width:36px;height:44px;padding:0 6px;font-size:20px;font-weight:800;display:grid}.word-slots>span.filled{background:#f5bd22}.word-game>input{letter-spacing:.04em;background:#fff;border:2px solid #171717;border-radius:14px;width:100%;padding:16px 18px;font-size:24px}.word-solved{color:#147568;margin:0;font-size:16px}.word-solved strong{font-size:22px}.time-board{flex-direction:column;gap:14px;display:flex}.time-rail{padding:0 0 0 8px;position:relative}.time-end{letter-spacing:.06em;text-transform:uppercase;border-radius:999px;align-items:center;min-height:28px;padding:4px 10px;font-size:11px;font-weight:800;display:inline-flex}.time-end.start{color:#f5bd22;background:#171717}.time-end.finish{color:#171717;background:#f5bd22}.timeline{flex-direction:column;gap:10px;margin:8px 0;padding:8px 0 8px 18px;list-style:none;display:flex;position:relative}.timeline:before{content:"";background:linear-gradient(#171717,#f5bd22);width:3px;position:absolute;top:4px;bottom:4px;left:6px}.timeline li{background:#fff;border:1.5px solid #d7deea;border-radius:14px;align-items:center;gap:10px;padding:8px;display:flex;box-shadow:0 4px #d7deea}.timeline li.picked,.timeline li.picked .time-node{background:#fff8dc;border-color:#171717;box-shadow:0 4px #171717,inset 0 0 0 2px #f5bd22}.time-node{text-align:left;background:0 0;border-radius:10px;flex:1;align-items:center;gap:12px;min-height:56px;padding:8px 10px;display:flex}.time-node strong{font-size:16px;font-weight:700;line-height:1.35}.time-board .icon-button{background:#fff;border:1.5px solid #171717;width:44px;height:44px}.time-shift{color:#147568;background:#e7f6ee;border-radius:12px;margin:0;padding:10px 14px;font-size:14px;font-weight:650}.time-board.settled .timeline li{background:#fff8dc;border-color:#171717}.time-board.settled .step-number{color:#171717;background:#f5bd22}.game-quiz .answer-option{min-height:84px;font-size:18px}.game-quiz .answer-letter{color:#f5bd22;background:#171717;border:0;border-radius:12px;min-width:44px;height:44px;font-size:18px}.game-quiz .answer-option.chosen .answer-letter{color:#171717;background:#f5bd22}.game-quiz .question-title{margin-top:12px!important}.marathon-route{gap:8px;margin:0 0 18px;padding:0 0 6px;list-style:none;display:flex;overflow-x:auto}.marathon-route li{background:#fff;border:1px solid #dce2ed;border-radius:12px;flex-direction:column;flex:none;align-items:center;gap:4px;min-width:72px;padding:8px 10px;display:flex}.marathon-route li>span{color:#f5bd22;background:#171717;border-radius:50%;place-items:center;width:28px;height:28px;font-size:12px;font-weight:800;display:grid}.marathon-route small{color:#5a657c;text-align:center;max-width:9ch;font-size:10px;font-weight:700}.marathon-route li.current{background:#fff8dc;border-color:#171717;box-shadow:0 4px #171717}.marathon-route li.done{background:#e7f6ee;border-color:#9fc8b7}.marathon-route li.done>span{color:#fff;background:#147568}.stage-banner{color:#f5bd22;letter-spacing:.02em;background:#171717;border-radius:10px;margin:10px 0 0;padding:8px 12px;font-size:13px;font-weight:800}.kind-stats{margin-top:8px}.tf-choice,.sort-bin-head,.sort-item,.mystery-box,.time-node,.icon-button,.answer-option{transition:transform .14s ease-out,box-shadow .14s ease-out,background-color .14s ease-out,border-color .14s ease-out}.sort-item:active:not(:disabled),.sort-bin-head:active:not(:disabled),.time-node:active:not(:disabled){transform:translateY(2px)}@media (width<=768px){.match-hold,.sort-hold{font-size:13px;top:4px}.tf-choice{min-height:120px;font-size:22px}.tf-mark{width:44px;height:44px;font-size:24px}.sort-bins,.sort-tray{grid-template-columns:1fr 1fr}.sort-item{min-height:64px;font-size:14px}.box-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.mystery-box{min-height:124px}.word-slots>span{min-width:30px;height:38px;font-size:17px}.word-game>input{padding:14px;font-size:20px}.time-node{min-height:52px}.time-node strong{font-size:14px}.marathon-route li{min-width:64px;padding:6px 8px}.game-quiz .answer-option{min-height:74px;font-size:16px}}@media (width<=360px){.tf-board{gap:8px}.tf-choice{min-height:108px;padding:10px 6px;font-size:18px}.sort-bins,.sort-tray{grid-template-columns:1fr}.box-grid{gap:10px}.mystery-no{font-size:28px}.word-slots>span{min-width:26px;height:34px}}@media (width>=1366px){.tf-choice{min-height:168px}.sort-bins.count-4{grid-template-columns:repeat(4,minmax(0,1fr))}.mystery-box{min-height:168px}.game-quiz .answer-option{min-height:92px}}@media (width>=1920px){.classroom .tf-choice{min-height:188px;font-size:34px}.classroom .sort-bin-head strong,.classroom .time-node strong{font-size:22px}.classroom .mystery-no{font-size:44px}}.classroom .tf-choice,.classroom .sort-item,.classroom .mystery-box,.classroom .time-node{min-height:auto}.classroom .tf-choice{min-height:160px}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}