:root{color-scheme:light;--bg:#f6f7f4;--surface:#fff;--ink:#18201e;--muted:#65706d;--line:#dfe4df;--coral:#eb5b3d;--coral-soft:#fff0eb;--teal:#087f71;--teal-soft:#e7f6f2;--blue:#3569d4;--blue-soft:#eaf0ff;--gold:#d99a18;--gold-soft:#fff5d9;--shadow:0 18px 45px #15262114;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;min-width:320px}[id]{scroll-margin-top:84px}body{color:var(--ink);background:var(--bg);margin:0}body:before{content:"";pointer-events:none;z-index:-1;opacity:.32;background-image:radial-gradient(#8e9995 .6px,#0000 .6px);background-size:18px 18px;position:fixed;inset:0}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}img,canvas{max-width:100%}.sr-only{clip:rect(0, 0, 0, 0)!important;white-space:nowrap!important;border:0!important;width:1px!important;height:1px!important;margin:-1px!important;padding:0!important;position:absolute!important;overflow:hidden!important}.is-hidden{display:none!important}.site-header{z-index:40;backdrop-filter:blur(18px);background:#f6f7f4e6;border-bottom:1px solid #d8dfd9db;position:sticky;top:0}.header-inner{justify-content:space-between;align-items:center;width:min(1180px,100% - 40px);height:68px;margin:0 auto;display:flex}.brand{align-items:center;gap:10px;display:inline-flex}.brand>span:last-child{align-items:baseline;gap:4px;display:flex}.brand strong{letter-spacing:.04em;font-size:18px}.brand small{color:var(--muted);letter-spacing:.12em;font-size:10px;font-weight:800}.brand-mark{border:1px solid var(--ink);background:var(--surface);border-radius:8px;grid-template-columns:repeat(3,6px);place-content:center;gap:2px;width:34px;height:34px;display:grid;position:relative}.brand-mark:before,.brand-mark:after{content:"";background:#18201e47;height:1px;position:absolute;left:8px;right:8px}.brand-mark:before{top:11px}.brand-mark:after{bottom:11px}.brand-mark i{z-index:1;background:var(--ink);border-radius:50%;width:6px;height:6px;position:relative}.brand-mark i:nth-child(2){background:var(--coral)}.brand-mark i:nth-child(3){background:var(--teal)}.brand-mark--small{width:30px;height:30px;transform:scale(.88)}.desktop-nav{align-items:center;gap:8px;display:flex}.desktop-nav a{color:#47514e;border-radius:7px;align-items:center;gap:7px;padding:9px 13px;font-size:13px;font-weight:650;display:inline-flex}.desktop-nav a:hover{color:var(--ink);background:var(--surface)}.header-actions{align-items:center;gap:7px;display:flex}.icon-link,.language-link,.menu-button{border:1px solid var(--line);color:#4f5a56;background:#ffffffb8;border-radius:7px;justify-content:center;align-items:center;height:36px;display:inline-flex}.icon-link,.menu-button{width:36px;padding:0}.language-link{gap:6px;padding:0 10px;font-size:12px;font-weight:700}.menu-button,.menu-close-icon,.menu-button.is-open .menu-open-icon{display:none}.menu-button.is-open .menu-close-icon{display:block}.mobile-nav{border:1px solid var(--line);background:var(--surface);width:min(100% - 24px,500px);box-shadow:var(--shadow);border-radius:8px;margin:0 auto 12px}.mobile-nav a{align-items:center;gap:10px;padding:13px 15px;font-size:14px;font-weight:650;display:flex}.mobile-nav a+a{border-top:1px solid var(--line)}main{min-height:70vh}.portal-hero,.discover-section,.roadmap-section,.category-band,.principles-band,.page-shell{width:min(1180px,100% - 40px);margin-inline:auto}.portal-hero{grid-template-columns:minmax(0,.92fr) minmax(420px,1.08fr);align-items:center;gap:clamp(50px,7vw,100px);min-height:610px;padding:74px 0 62px;display:grid}.section-label{color:var(--coral);letter-spacing:.12em;text-transform:uppercase;align-items:center;gap:7px;margin:0 0 13px;font-size:11px;font-weight:800;display:flex}.hero-copy h1{letter-spacing:0;margin:0;font-family:Georgia,Times New Roman,serif;font-size:clamp(42px,5vw,68px);font-weight:500;line-height:1.02}.hero-copy h1 em{color:var(--teal);font-style:normal}.hero-intro{max-width:590px;color:var(--muted);margin:24px 0 0;font-size:17px;line-height:1.7}.hero-actions{flex-wrap:wrap;gap:10px;margin-top:30px;display:flex}.button{border:1px solid #0000;border-radius:7px;justify-content:center;align-items:center;gap:8px;min-height:44px;padding:0 17px;font-size:13px;font-weight:750;transition:transform .16s,box-shadow .16s,background .16s;display:inline-flex}.button:hover{transform:translateY(-2px)}.button-primary{color:#fff;background:var(--ink);box-shadow:0 10px 24px #18201e29}.button-primary:hover{background:#2b3935}.button-secondary{border-color:var(--line);background:var(--surface)}.button-danger{color:#fff;background:var(--coral)}.button:disabled{cursor:not-allowed;opacity:.5;transform:none}.hero-scene{aspect-ratio:1.08;position:relative}.scene-grid{grid-template:1fr 1fr/1fr 1fr;gap:10px;height:100%;display:grid;transform:rotate(2deg)}.scene-cell,.scene-word{box-shadow:var(--shadow);border:1px solid #18201e24;border-radius:8px;position:relative;overflow:hidden}.scene-cell--game{background-color:#e4b96f;background-image:linear-gradient(#3e2f1c47 1px,#0000 1px),linear-gradient(90deg,#3e2f1c47 1px,#0000 1px);background-size:27px 27px}.scene-stone{border-radius:50%;width:31px;height:31px;position:absolute;box-shadow:0 5px 10px #271b0f38}.scene-stone.dark{background:#171b1a;top:33%;left:31%}.scene-stone.light{background:#fbfaf6;border:1px solid #c9c7bd;top:48%;left:47%}.scene-stone.accent{background:var(--coral);top:63%;left:63%}.scene-cell--tool{background:#0f2421;padding:28px}.scene-cell--tool code{color:#72e5c6;margin-bottom:22px;font-family:ui-monospace,monospace;font-size:38px;display:block}.scene-cell--tool i{background:#ffffff38;border-radius:5px;width:82%;height:5px;margin:12px 0;display:block}.scene-cell--tool i:nth-of-type(2){background:#eb5b3dc7;width:58%}.scene-cell--tool i:nth-of-type(3){width:70%}.scene-cell--learn{background:#eaf0ff}.scene-cell--learn span{border:1px solid var(--blue);border-radius:50%;width:105px;height:105px;position:absolute;top:calc(50% - 52px);left:calc(50% - 52px)}.scene-cell--learn span:after{content:"";background:var(--blue);border-radius:50%;position:absolute;inset:22px}.scene-cell--learn i,.scene-cell--learn b{background:var(--coral);border-radius:50%;width:12px;height:12px;position:absolute}.scene-cell--learn i{top:22%;left:23%}.scene-cell--learn b{background:var(--gold);bottom:20%;right:19%}.scene-word{background:var(--surface);flex-direction:column;justify-content:center;padding:28px;display:flex}.scene-word small{color:var(--muted);letter-spacing:.16em;font-size:10px;font-weight:800}.scene-word strong{font-family:Georgia,serif;font-size:72px;font-weight:400;line-height:.9}.scene-word span{color:var(--muted);margin-top:9px;font-size:13px}.discover-section,.catalog-section,.roadmap-section{padding:80px 0}.discover-section,.catalog-section+.catalog-section,.catalog-section+.roadmap-section{border-top:1px solid var(--line)}.section-heading{justify-content:space-between;align-items:end;gap:24px;margin-bottom:30px;display:flex}.section-heading h2,.category-intro h2{letter-spacing:0;margin:0;font-family:Georgia,serif;font-size:clamp(30px,4vw,44px);font-weight:500}.section-heading>p{max-width:390px;color:var(--muted);margin:0;font-size:13px;line-height:1.6}.catalog-search{border:1px solid var(--line);background:var(--surface);border-radius:7px;align-items:center;gap:9px;width:min(100%,340px);height:43px;padding:0 11px;display:flex}.catalog-search:focus-within{border-color:var(--teal);box-shadow:0 0 0 3px #087f711a}.catalog-search input{background:0 0;border:0;outline:0;flex:1;min-width:0;font-size:13px}kbd{border:1px solid var(--line);color:var(--muted);background:var(--bg);border-radius:4px;padding:2px 6px;font-size:10px}.search-status{min-height:20px;color:var(--muted);margin:-18px 0 10px;font-size:12px}.content-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;display:grid}.content-card{border:1px solid var(--line);background:var(--surface);border-radius:8px;min-width:0;transition:transform .18s,box-shadow .18s;overflow:hidden}.content-card:hover{box-shadow:var(--shadow);transform:translateY(-4px)}.content-card a{height:100%;display:block}.card-visual{aspect-ratio:1.65;background:var(--coral-soft);position:relative;overflow:hidden}.card-screenshot{object-fit:cover;object-position:top center;width:100%;height:100%}.tone-teal .card-visual{background:var(--teal-soft)}.tone-blue .card-visual{background:var(--blue-soft)}.tone-gold .card-visual{background:var(--gold-soft)}.card-copy{padding:20px}.card-kicker{color:var(--coral);letter-spacing:.12em;text-transform:uppercase;justify-content:space-between;align-items:center;font-size:10px;font-weight:850;display:flex}.tone-teal .card-kicker{color:var(--teal)}.tone-blue .card-kicker{color:var(--blue)}.tone-gold .card-kicker{color:#9a6500}.card-copy h3{letter-spacing:0;margin:12px 0 8px;font-size:20px}.card-copy p{min-height:66px;color:var(--muted);margin:0 0 16px;font-size:13px;line-height:1.65}.card-copy small{color:#89928f;font-size:10px}.soon-label{align-items:center;gap:4px;display:inline-flex}.is-soon{opacity:.72}.is-soon:hover{box-shadow:none;transform:none}.mini-board{background-image:linear-gradient(#422f194d 1px,#0000 1px),linear-gradient(90deg,#422f194d 1px,#0000 1px);background-size:26px 26px;position:absolute;inset:20px}.mini-board i{background:var(--ink);border-radius:50%;width:24px;height:24px;position:absolute;box-shadow:0 4px 8px #00000038}.mini-board i:first-child{top:20%;left:25%}.mini-board i:nth-child(2){background:#fff;top:36%;left:38%}.mini-board i:nth-child(3){top:52%;left:51%}.mini-board i:nth-child(4){background:#fff;top:68%;left:64%}.mini-board i:nth-child(5){background:#fff;top:68%;left:10%}.mini-board i:nth-child(n+6){display:none}.code-lines{background:#102622;border-radius:6px;padding:20px;position:absolute;inset:25px}.code-lines:before{content:"{  }";color:#71e6c4;font:700 25px ui-monospace,monospace}.code-lines i{background:#ffffff42;border-radius:4px;width:72%;height:5px;margin:10px 0;display:block}.code-lines i:nth-child(2),.code-lines i:nth-child(4){background:#eb5b3db8;width:48%}.orbit-visual{border:1px solid var(--blue);border-radius:50%;width:130px;height:130px;position:absolute;top:calc(50% - 65px);left:calc(50% - 65px)}.orbit-visual:before{content:"";background:var(--blue);border-radius:50%;position:absolute;inset:32px}.orbit-visual i{background:var(--coral);border-radius:50%;width:14px;height:14px;position:absolute}.orbit-visual i:first-child{top:2px;left:24px}.orbit-visual i:nth-child(2){background:var(--gold);top:64px;right:-4px}.orbit-visual i:nth-child(3){background:var(--teal);bottom:5px;left:30px}.tile-visual{grid-template-columns:repeat(2,1fr);gap:8px;display:grid;position:absolute;inset:25px}.tile-visual i{color:#fff;background:#d49b2a;border-radius:6px;place-items:center;font:700 24px Georgia,serif;display:grid}.tile-visual i:nth-child(2){background:#eb5b3d}.tile-visual i:nth-child(3){background:#087f71}.tile-visual i:nth-child(4){background:#18201e}.image-visual{border:2px solid var(--blue);border-radius:5px;position:absolute;inset:28px}.image-visual:after{content:"";clip-path:polygon(0 100%,38% 20%,58% 58%,76% 33%,100% 100%);background:#3569d4;height:42%;position:absolute;bottom:14%;left:15%;right:15%}.image-visual i:first-child{background:var(--gold);border-radius:50%;width:20px;height:20px;position:absolute;top:17%;right:17%}.snake-card-visual{position:absolute;inset:0}.snake-card-visual i{background:var(--teal);border-radius:7px;width:28px;height:28px;position:absolute}.snake-card-visual i:first-child{top:52%;left:25%}.snake-card-visual i:nth-child(2){top:52%;left:calc(25% + 30px)}.snake-card-visual i:nth-child(3){top:52%;left:calc(25% + 60px)}.snake-card-visual i:nth-child(4){background:var(--ink);top:calc(52% - 30px);left:calc(25% + 60px)}.snake-card-visual b{background:var(--coral);border-radius:50% 50% 45% 45%;width:18px;height:18px;position:absolute;top:24%;right:22%}.sudoku-card-visual,.mines-card-visual{border:2px solid var(--blue);background:var(--blue);grid-template-columns:repeat(3,1fr);gap:2px;display:grid;position:absolute;inset:24px}.sudoku-card-visual i,.mines-card-visual i{color:var(--blue);background:#fff;place-items:center;font:700 18px Georgia,serif;display:grid}.sudoku-card-visual i:nth-child(2n){color:#aeb7b2}.mines-card-visual{border-color:var(--coral);background:var(--coral)}.mines-card-visual i{color:var(--blue);font-family:inherit;font-size:15px}.mines-card-visual i:nth-child(3){color:var(--coral)}.clock-card-visual{border:3px solid #a56e00;border-radius:50%;width:140px;height:140px;position:absolute;top:calc(50% - 70px);left:calc(50% - 70px)}.clock-card-visual i:before,.clock-card-visual i:after{content:"";transform-origin:bottom;background:#a56e00;border-radius:3px;width:3px;height:44px;position:absolute;top:28px;left:68px}.clock-card-visual i:after{height:35px;transform:rotate(115deg)}.clock-card-visual b{color:#8c5d00;font:700 14px ui-monospace,monospace;position:absolute;bottom:20px;left:44px}.unit-card-visual{grid-template-columns:1fr auto;align-content:center;gap:3px 8px;display:grid;position:absolute;inset:30px}.unit-card-visual strong{font:500 32px Georgia,serif}.unit-card-visual span{color:var(--coral);align-self:end;font-size:12px;font-weight:800}.unit-card-visual b{color:var(--muted);grid-column:1/-1;margin:4px 0;font-size:18px}.qr-card-visual{background-image:repeating-linear-gradient(90deg, var(--ink) 0 8px, transparent 8px 15px), repeating-linear-gradient(0deg, #18201e8c 0 7px, transparent 7px 14px);width:150px;height:150px;position:absolute;top:calc(50% - 75px);left:calc(50% - 75px)}.qr-card-visual i{border:9px solid var(--ink);background:var(--teal-soft);width:42px;height:42px;position:absolute}.qr-card-visual i:first-child{top:7px;left:7px}.qr-card-visual i:nth-child(2){top:7px;right:7px}.qr-card-visual i:nth-child(3){bottom:7px;left:7px}.qr-card-visual b{background:var(--coral);width:17px;height:17px;position:absolute;bottom:25px;right:24px}.category-band{border-top:1px solid var(--line);border-bottom:1px solid var(--line);grid-template-columns:.72fr 1.28fr;gap:70px;padding:78px 0;display:grid}.category-list{display:grid}.category-list a{border-bottom:1px solid var(--line);grid-template-columns:48px minmax(0,1fr) 22px;align-items:center;gap:15px;padding:18px 4px;display:grid}.category-list a:first-child{border-top:1px solid var(--line)}.category-list a:hover svg:last-child{transform:translate(4px)}.category-list svg{transition:transform .16s}.category-icon{border-radius:7px;place-items:center;width:44px;height:44px;display:grid}.category-icon.coral{color:var(--coral);background:var(--coral-soft)}.category-icon.teal{color:var(--teal);background:var(--teal-soft)}.category-icon.blue{color:var(--blue);background:var(--blue-soft)}.category-list strong,.category-list small{display:block}.category-list strong{font-size:15px}.category-list small{color:var(--muted);margin-top:3px;font-size:11px}.compact-grid .card-visual{aspect-ratio:2.05}.roadmap-section{padding-bottom:90px}.section-link{color:var(--teal);align-items:center;gap:6px;margin-top:9px;font-size:11px;font-weight:750;display:inline-flex}.section-link:hover{color:var(--coral)}.section-link svg{transition:transform .16s}.section-link:hover svg{transform:translate(3px)}.principles-band{border-top:1px solid var(--ink);border-bottom:1px solid var(--ink);justify-content:space-between;align-items:center;gap:28px;padding:27px 0;display:flex}.principles-band>p{color:var(--coral);letter-spacing:.13em;text-transform:uppercase;margin:0;font-size:11px;font-weight:800}.principles-band div{flex-wrap:wrap;justify-content:flex-end;gap:9px 16px;font-size:12px;display:flex}.principles-band span{color:var(--muted)}.site-footer{border-top:1px solid var(--line);background:#edf0ec;margin-top:90px}.footer-inner{grid-template-columns:1.4fr 1fr 1fr;gap:40px;width:min(1180px,100% - 40px);margin:0 auto;padding:44px 0 32px;display:grid}.footer-brand{gap:12px;display:flex}.footer-brand strong{font-size:14px}.footer-brand p{color:var(--muted);margin:5px 0 0;font-size:11px}.site-footer nav{flex-wrap:wrap;align-content:start;gap:10px 18px;display:flex}.site-footer nav a{color:#4d5754;font-size:12px}.site-footer nav a:hover{color:var(--coral)}.footer-links{justify-content:end;align-items:start;gap:14px;display:flex}.footer-links>a{background:var(--surface);border:1px solid #cfd6d0;border-radius:7px;place-items:center;width:34px;height:34px;display:grid}.footer-links span{color:var(--muted);align-items:center;gap:6px;font-size:11px;display:inline-flex}.copyright{color:#89918e;border-top:1px solid #d8ddd8;width:min(1180px,100% - 40px);margin:0 auto;padding:18px 0 22px;font-size:10px}.page-shell{padding-top:54px}.breadcrumbs{color:var(--muted);align-items:center;gap:7px;margin-bottom:24px;font-size:11px;display:flex}.breadcrumbs a:hover{color:var(--coral)}.page-intro{border-bottom:1px solid var(--line);grid-template-columns:minmax(0,1fr) 300px;align-items:end;gap:40px;padding-bottom:30px;display:grid}.page-intro h1{letter-spacing:0;margin:5px 0 12px;font-family:Georgia,serif;font-size:clamp(38px,6vw,62px);font-weight:500;line-height:1}.page-intro p{max-width:700px;color:var(--muted);margin:0;line-height:1.7}.page-meta{border:1px solid var(--line);background:var(--surface);border-radius:7px;grid-template-columns:1fr 1fr;display:grid}.page-meta div{padding:13px}.page-meta div+div{border-left:1px solid var(--line)}.page-meta span,.page-meta strong{display:block}.page-meta span{color:var(--muted);letter-spacing:.1em;text-transform:uppercase;font-size:9px}.page-meta strong{margin-top:4px;font-size:12px}.interactive-shell{border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow);border-radius:8px;margin-top:28px}.interactive-toolbar{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:12px;min-height:54px;padding:9px 13px;display:flex}.toolbar-group{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.control-button{border:1px solid var(--line);color:#45504c;background:var(--surface);border-radius:6px;justify-content:center;align-items:center;gap:6px;min-height:34px;padding:0 11px;font-size:11px;font-weight:700;display:inline-flex}.control-button:hover{background:var(--bg);border-color:#aeb9b3}.control-button.is-active{border-color:var(--ink);color:#fff;background:var(--ink)}.control-button.primary{border-color:var(--teal);color:#fff;background:var(--teal)}.control-button.danger{border-color:var(--coral);color:#fff;background:var(--coral)}.control-button:disabled{cursor:not-allowed;opacity:.45}.status-pill{color:#39524b;background:var(--teal-soft);border-radius:99px;align-items:center;gap:7px;min-height:32px;padding:0 10px;font-size:11px;font-weight:700;display:inline-flex}.status-pill i{background:var(--teal);border-radius:50%;width:7px;height:7px}.content-body{grid-template-columns:minmax(0,1fr) 280px;gap:60px;padding:64px 0 0;display:grid}.prose{max-width:760px}.prose h2{margin:44px 0 14px;font-family:Georgia,serif;font-size:30px;font-weight:500}.prose h2:first-child{margin-top:0}.prose h3{margin:28px 0 10px;font-size:17px}.prose p,.prose li{color:#56615e;font-size:15px;line-height:1.85}.prose code{background:#edf0ec;border-radius:4px;padding:2px 5px;font:13px ui-monospace,monospace}.prose pre{color:#d9f9ed;background:#102622;border-radius:7px;padding:18px;overflow-x:auto}.prose ul,.prose ol{padding-left:20px}.content-aside{border-left:2px solid var(--coral);background:var(--surface);align-self:start;padding:20px;position:sticky;top:92px}.content-aside strong{margin-bottom:9px;font-size:13px;display:block}.content-aside p,.content-aside li{color:var(--muted);font-size:11px;line-height:1.65}.content-aside ul{margin:0;padding-left:17px}.related-section{border-top:1px solid var(--ink);margin-top:76px;padding-top:34px}.related-heading{grid-template-columns:minmax(0,1fr) minmax(260px,430px);align-items:end;gap:40px;display:grid}.related-heading h2{margin:4px 0 0;font:500 30px/1.15 Georgia,serif}.related-heading>p{color:var(--muted);margin:0;font-size:13px;line-height:1.65}.related-links{border-top:1px solid var(--line);border-bottom:1px solid var(--line);grid-template-columns:repeat(auto-fit,minmax(220px,1fr));margin-top:24px;display:grid}.related-links a{flex-direction:column;min-width:0;padding:20px;display:flex}.related-links a+a{border-left:1px solid var(--line)}.related-links a:hover{background:var(--surface)}.related-links span{color:var(--coral);letter-spacing:.1em;text-transform:uppercase;font-size:9px;font-weight:800}.related-links strong{margin-top:9px;font-size:14px}.related-links small{color:var(--muted);margin-top:7px;font-size:11px;line-height:1.55}.related-links em{color:#7d8783;justify-content:space-between;align-items:center;gap:8px;margin-top:auto;padding-top:16px;font-size:10px;font-style:normal;display:flex}.related-links a:hover em{color:var(--teal)}.collection-shell .page-intro{margin-bottom:0}.collection-content{padding:64px 0 82px}.collection-content+.collection-copy{border-top:1px solid var(--line)}.collection-copy{grid-template-columns:minmax(0,.8fr) minmax(360px,1.2fr);gap:70px;padding:72px 0 20px;display:grid}.collection-copy h2{margin:6px 0 14px;font:500 34px/1.12 Georgia,serif}.collection-copy p{color:var(--muted);font-size:14px;line-height:1.75}.collection-link-list{border-top:1px solid var(--line);align-self:start;display:grid}.collection-link-list a{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:20px;padding:17px 4px;font-size:13px;font-weight:700;display:flex}.collection-link-list a:hover{color:var(--teal)}.collection-link-list svg{flex:none}.collection-copy--plain{padding-bottom:0}.compact-prose p:first-child{margin-top:0}.guide-grid{align-items:stretch}.simple-page{width:min(760px,100% - 40px);margin:0 auto;padding:70px 0 20px}.simple-page h1{margin:0 0 16px;font-family:Georgia,serif;font-size:48px;font-weight:500}.simple-page>p{color:var(--muted);line-height:1.8}.simple-page h2{margin-top:38px;font-size:20px}.simple-page li{color:#56615e;margin:8px 0;line-height:1.7}.tool-workspace{grid-template-columns:1fr 1fr;min-height:520px;display:grid}.tool-pane{flex-direction:column;min-width:0;display:flex}.tool-pane+.tool-pane{border-left:1px solid var(--line)}.pane-header{border-bottom:1px solid var(--line);min-height:42px;color:var(--muted);letter-spacing:.08em;text-transform:uppercase;justify-content:space-between;align-items:center;padding:0 13px;font-size:10px;font-weight:800;display:flex}.code-editor{resize:none;color:#d8f5eb;tab-size:2;background:#102622;border:0;outline:0;flex:1;width:100%;min-height:476px;padding:18px;font:13px/1.7 ui-monospace,SFMono-Regular,Menlo,monospace}.code-output{color:#24322e;white-space:pre-wrap;word-break:break-word;background:#fafbf9;min-height:476px;margin:0;padding:18px;font:13px/1.7 ui-monospace,SFMono-Regular,Menlo,monospace;overflow:auto}.tool-message{border-top:1px solid var(--line);color:var(--muted);background:#fafbf9;padding:8px 13px;font-size:11px}.tool-message.is-error{color:#a43424;background:var(--coral-soft)}.form-workspace{padding:clamp(20px,4vw,38px)}.form-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;display:grid}.field{gap:7px;display:grid}.field.full{grid-column:1/-1}.field label,.field>span{color:#4f5a56;font-size:11px;font-weight:750}.field input,.field select,.field textarea{border:1px solid var(--line);background:#fff;border-radius:6px;outline:0;width:100%;min-height:42px;padding:9px 11px}.field textarea{resize:vertical;min-height:120px}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--teal);box-shadow:0 0 0 3px #087f711a}.range-row{align-items:center;gap:12px;display:flex}.range-row input{min-height:auto;box-shadow:none;padding:0}.result-box{border:1px solid var(--line);background:#fafbf9;border-radius:7px;min-height:68px;padding:15px}.result-box strong{font-size:19px;display:block}.result-box span{color:var(--muted);font-size:11px}.drop-zone{text-align:center;background:#fafbf9;border:1px dashed #aeb9b3;border-radius:7px;place-items:center;min-height:260px;padding:30px;display:grid}.drop-zone.is-dragging{border-color:var(--teal);background:var(--teal-soft)}.drop-zone input{display:none}.drop-zone strong{margin-top:12px;display:block}.drop-zone p{color:var(--muted);margin:6px 0 16px;font-size:12px}.image-preview{grid-template-columns:1fr 1fr;gap:18px;margin-top:22px;display:none}.image-preview.is-visible{display:grid}.preview-panel{min-width:0}.preview-panel img{aspect-ratio:4/3;object-fit:contain;border:1px solid var(--line);background:#edf0ec;border-radius:6px;width:100%;display:block}.preview-panel p{color:var(--muted);justify-content:space-between;font-size:11px;display:flex}.qr-layout{grid-template-columns:minmax(0,1fr) 300px;gap:30px;display:grid}.qr-preview{border:1px solid var(--line);background:#fff;border-radius:7px;place-items:center;min-height:300px;display:grid}.qr-preview canvas{aspect-ratio:1;width:min(240px,80%);max-width:100%;height:auto;image-rendering:pixelated}.game-stage{background:#edf0ec;place-items:center;min-height:560px;padding:24px;display:grid;position:relative;overflow:hidden}.game-stage canvas{touch-action:none;display:block}.game-message{z-index:5;color:#fff;text-align:center;min-width:230px;box-shadow:var(--shadow);background:#111917e6;border:1px solid #ffffff4d;border-radius:8px;padding:22px;display:none;position:absolute}.game-message.is-visible{display:block}.game-message h2{margin:0 0 8px;font:500 28px Georgia,serif}.game-message p{color:#ffffffb3;margin:0 0 17px;font-size:12px}.gomoku-board{aspect-ratio:1;background:#dfb875;border:8px solid #b77e3d;border-radius:6px;width:min(100%,560px);box-shadow:0 15px 34px #4b301433}.game-score{color:var(--muted);align-items:center;gap:12px;font-size:11px;display:flex}.game-score strong{color:var(--ink);font-size:15px}.mode-switch{border:1px solid var(--line);background:#edf0ec;border-radius:7px;gap:4px;padding:3px;display:flex}.mode-switch button{min-height:28px;color:var(--muted);background:0 0;border:0;border-radius:5px;padding:0 9px;font-size:10px;font-weight:750}.mode-switch button.is-active{color:#fff;background:var(--ink)}.grid-2048{aspect-ratio:1;background:#aeb7b2;border-radius:8px;grid-template-columns:repeat(4,1fr);gap:10px;width:min(100%,480px);padding:10px;display:grid}.tile-2048{color:#33403c;background:#dfe4df;border-radius:6px;place-items:center;min-width:0;font:700 clamp(23px,6vw,42px) Georgia,serif;display:grid}.tile-2048[data-value="0"]{color:#0000;background:#ffffff52}.tile-2048[data-value="2"]{background:#fff5d9}.tile-2048[data-value="4"]{background:#ffe3a8}.tile-2048[data-value="8"]{color:#fff;background:#e6a126}.tile-2048[data-value="16"]{color:#fff;background:#eb7c3d}.tile-2048[data-value="32"],.tile-2048[data-value="64"]{color:#fff;background:var(--coral)}.tile-2048[data-value="128"],.tile-2048[data-value="256"],.tile-2048[data-value="512"]{color:#fff;background:var(--teal)}.tile-2048[data-value="1024"],.tile-2048[data-value="2048"]{color:#fff;background:var(--ink)}.snake-wrap{justify-items:center;gap:15px;display:grid}.snake-canvas{aspect-ratio:1;border:7px solid var(--ink);background:#f8faf6;border-radius:7px;width:min(78vw,500px)}.direction-pad{grid-template-rows:repeat(2,42px);grid-template-columns:repeat(3,46px);gap:5px;display:none}.direction-pad button{border:1px solid var(--line);background:#fff;border-radius:6px}.direction-pad button[data-dir=up]{grid-column:2}.direction-pad button[data-dir=left]{grid-area:2/1}.direction-pad button[data-dir=down]{grid-area:2/2}.direction-pad button[data-dir=right]{grid-area:2/3}.sudoku-grid{aspect-ratio:1;border:2px solid var(--ink);background:var(--ink);grid-template-columns:repeat(9,1fr);gap:1px;width:min(88vw,520px);display:grid}.sudoku-cell{min-width:0;color:var(--blue);background:#fff;border:0;padding:0;font-size:clamp(15px,4vw,25px);font-weight:700}.sudoku-cell:nth-child(3n){border-right:1px solid var(--ink)}.sudoku-cell:nth-child(9n){border-right:0}.sudoku-cell:nth-child(n+19):nth-child(-n+27),.sudoku-cell:nth-child(n+46):nth-child(-n+54){border-bottom:1px solid var(--ink)}.sudoku-cell.is-fixed{color:var(--ink);background:#edf0ec}.sudoku-cell.is-selected{background:var(--blue-soft);box-shadow:inset 0 0 0 2px var(--blue)}.sudoku-cell.is-error{color:#a32f20;background:var(--coral-soft)}.number-pad{grid-template-columns:repeat(9,1fr);gap:5px;width:min(88vw,520px);margin-top:12px;display:grid}.number-pad button{border:1px solid var(--line);background:#fff;border-radius:5px;height:38px;font-weight:750}.mines-grid{aspect-ratio:1;border:2px solid var(--ink);background:#aeb7b2;border-radius:6px;grid-template-columns:repeat(9,1fr);gap:2px;width:min(88vw,520px);padding:4px;display:grid}.mine-cell{min-width:0;color:var(--blue);background:#e8ece8;border:1px solid #c6cec9;border-radius:3px;place-items:center;padding:0;font-size:clamp(12px,3.5vw,20px);font-weight:850;display:grid}.mine-cell.is-open{background:#fff;border-color:#0000}.mine-cell.is-flagged{color:var(--coral)}.mine-cell.is-mine{color:#fff;background:var(--coral)}@media (width<=850px){.desktop-nav{display:none}.menu-button{display:inline-flex}.portal-hero{grid-template-columns:1fr;min-height:auto;padding-top:50px}.hero-scene{width:min(100%,600px);margin:0 auto}.content-grid{grid-template-columns:1fr 1fr}.featured-grid .content-card:first-child{grid-column:1/-1}.featured-grid .content-card:first-child a{grid-template-columns:1fr 1fr;display:grid}.featured-grid .content-card:first-child .card-visual{aspect-ratio:auto}.category-band{grid-template-columns:1fr;gap:30px}.footer-inner{grid-template-columns:1fr 1fr}.footer-links{justify-content:start}.content-body{grid-template-columns:1fr}.content-aside{position:static}.page-intro{grid-template-columns:1fr}.page-meta{max-width:340px}.related-heading,.collection-copy{grid-template-columns:1fr;gap:24px}.related-links{grid-template-columns:repeat(2,minmax(0,1fr))}.related-links a:nth-child(3){border-left:0;border-top:1px solid var(--line)}.related-links a:nth-child(4){border-top:1px solid var(--line)}.direction-pad{display:grid}}@media (width<=600px){.header-inner,.portal-hero,.discover-section,.catalog-section,.roadmap-section,.category-band,.principles-band,.page-shell,.footer-inner,.copyright{width:calc(100% - 24px)}.language-link span{display:none}.language-link{width:36px;padding:0}.portal-hero{gap:38px;padding:38px 0 46px}.hero-copy h1{font-size:42px}.hero-intro{font-size:15px}.hero-actions .button{flex:160px}.section-heading{flex-direction:column;align-items:stretch}.catalog-search{width:100%}.content-grid{grid-template-columns:1fr}.featured-grid .content-card:first-child{grid-column:auto}.featured-grid .content-card:first-child a{display:block}.featured-grid .content-card:first-child .card-visual{aspect-ratio:1.65}.principles-band{flex-direction:column;align-items:flex-start}.principles-band div{justify-content:flex-start}.footer-inner{grid-template-columns:1fr}.site-footer nav{order:3}.page-shell{padding-top:34px}.page-intro h1{font-size:40px}.interactive-toolbar{flex-direction:column;align-items:flex-start}.game-stage{min-height:420px;padding:12px}.tool-workspace{grid-template-columns:1fr}.tool-pane+.tool-pane{border-left:0;border-top:1px solid var(--line)}.code-editor,.code-output{min-height:300px}.form-grid,.image-preview,.qr-layout{grid-template-columns:1fr}.qr-preview{min-height:250px}.content-body{gap:30px;padding-top:42px}.content-aside{border-left:0;border-top:2px solid var(--coral)}.simple-page h1{font-size:39px}.collection-content{padding:46px 0 60px}.collection-copy{padding-top:52px}.related-section{margin-top:56px}.related-heading{align-items:start}.related-links{grid-template-columns:1fr}.related-links a+a,.related-links a:nth-child(3),.related-links a:nth-child(4){border-left:0;border-top:1px solid var(--line)}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}