@font-face{font-family:"Jersey 15";font-style:normal;font-display:swap;font-weight:400;src:url(/assets/jersey-15-latin-400-normal-C8Nlw5JP.woff2)format("woff2"),url(/assets/jersey-15-latin-400-normal-4mtCZV7-.woff)format("woff")}@font-face{font-family:Atkinson Hyperlegible Next Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/assets/atkinson-hyperlegible-next-latin-ext-wght-normal-C6vrW8VD.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Atkinson Hyperlegible Next Variable;font-style:normal;font-display:swap;font-weight:200 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width='2' height='2'/%3E%3Crect x='270' y='238' width='2' height='2'/%3E%3C/svg%3E");--border:#3a4270}}:root[data-style=blocks][data-theme=dark]{--bk-sky-1:#14182e;--bk-sky-2:#262d5c;--bk-ink:#f2f4ff;--bk-soft:#b5bcd9;--bk-panel:#20264a;--bk-panel-hi:#2f3766;--bk-panel-lo:#151a36;--bk-ground:#0b0e1c;--bk-stone:#6e7790;--bk-stone-top:#959db3;--bk-stone-side:#4e556b;--bk-wire-off:#4a5068;--bk-signal:#ffc233;--bk-sky-art:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='360' height='260' shape-rendering='crispEdges' fill='white'%3E%3Crect x='14' y='22' width='3' height='3'/%3E%3Crect x='96' y='70' width='2' height='2'/%3E%3Crect x='160' y='18' width='3' height='3'/%3E%3Crect x='228' y='104' width='2' height='2'/%3E%3Crect x='300' y='40' width='3' height='3'/%3E%3Crect x='52' y='170' width='2' height='2'/%3E%3Crect x='190' y='200' width='3' height='3'/%3E%3Crect x='330' y='180' width='2' height='2'/%3E%3Crect x='270' y='238' width='2' height='2'/%3E%3C/svg%3E");--border:#3a4270}:root[data-style=blocks] body{background:linear-gradient(var(--bk-sky-1), var(--bk-sky-2)) fixed;color:var(--bk-ink);font-family:Atkinson Hyperlegible Next Variable,ui-sans-serif,system-ui,sans-serif}:root[data-style=blocks] #hub:before{content:"";background:var(--bk-sky-art);opacity:.6;pointer-events:none;height:100vh;position:absolute;inset:0 0 auto}:root[data-style=blocks] .hub-mark{letter-spacing:.02em;font-family:"Jersey 15",ui-monospace,monospace;font-size:26px}:root[data-style=blocks] .hub-controls button,:root[data-style=blocks] .hub-controls .segmented,:root[data-style=blocks] .style-menu{border-radius:0}:root[data-style=blocks] .hub-title{justify-content:center;margin:0;display:flex;position:relative}:root[data-style=blocks] .hub-emblem{display:none}:root[data-style=blocks] .hub-word{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.bk-title{filter:drop-shadow(0 6px #0a0e1e29);transition:filter .5s;display:block}@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .bk-title.bk-on{filter:drop-shadow(0 6px #00000059)drop-shadow(0 0 22px #ffc2334d)}}:root[data-theme=dark] .bk-title.bk-on{filter:drop-shadow(0 6px #00000059)drop-shadow(0 0 22px #ffc2334d)}.bk-logic{flex-direction:column;align-items:center;gap:12px;margin-top:26px;display:flex}.bk-circuit{align-items:center;gap:0;padding-left:22px;display:flex}.bk-levers{gap:8px;display:grid}.bk-lever{background:var(--bk-panel);width:44px;height:44px;box-shadow:inset 3px 3px 0 var(--bk-panel-hi), inset -3px -3px 0 var(--bk-panel-lo), 0 4px 0 var(--bk-ground);cursor:pointer;border:0;border-radius:0;padding:0;position:relative}.bk-lever:hover:not(:disabled){border:0}.bk-lever:active{box-shadow:inset 3px 3px 0 var(--bk-panel-lo), inset -3px -3px 0 var(--bk-panel-hi), 0 1px 0 var(--bk-ground);transform:translateY(3px)}.bk-lever:focus-visible{outline:3px solid var(--bk-signal);outline-offset:3px}.bk-lever-art{shape-rendering:crispedges;width:30px;height:30px;margin:auto;display:block}.bk-base{fill:var(--bk-stone-side)}.bk-handle-off rect,.bk-handle-on rect{fill:#9a7446}.bk-handle-off .bk-knob{fill:var(--bk-stone)}.bk-handle-on .bk-knob{fill:var(--bk-signal)}.bk-lever[aria-pressed=true] .bk-handle-off,.bk-lever[aria-pressed=false] .bk-handle-on{display:none}.bk-lever-name{color:var(--bk-soft);font-family:"Jersey 15",ui-monospace,monospace;font-size:22px;position:absolute;top:50%;left:-20px;translate:0 -50%}.bk-wires{shape-rendering:crispedges;flex:none;overflow:visible}.bk-wire{fill:none;stroke:var(--bk-wire-off);stroke-width:4px;stroke-linecap:square;transition:stroke .12s linear}.bk-gate{fill:var(--bk-panel);stroke:var(--bk-panel-lo);stroke-width:2px}.bk-gate-name{fill:var(--bk-ink);font-family:"Jersey 15",ui-monospace,monospace;font-size:15px}.bk-lamp{fill:var(--bk-stone);transition:fill .12s linear,filter .12s linear}.bk-logic[data-a="1"] .bk-wire-a,.bk-logic[data-b="1"] .bk-wire-b{stroke:var(--bk-signal)}.bk-logic[data-a="1"][data-b="1"] .bk-wire-out{stroke:var(--bk-signal);transition-delay:.15s}.bk-logic[data-a="1"][data-b="1"] .bk-lamp{fill:var(--bk-signal);filter:drop-shadow(0 0 6px var(--bk-signal));transition-delay:.3s}.bk-logic.bk-boot .bk-wire,.bk-logic.bk-boot[data-a="1"][data-b="1"] .bk-wire-out{stroke:var(--bk-wire-off);transition:none}.bk-logic.bk-boot .bk-lamp,.bk-logic.bk-boot[data-a="1"][data-b="1"] .bk-lamp{fill:var(--bk-stone);filter:none;transition:none}:root[data-style=blocks] .hub-tagline{color:var(--bk-soft);margin-top:26px;font-size:clamp(17px,2.2vw,21px)}:root[data-style=blocks] .hub-cards{gap:22px}:root[data-style=blocks] .hub-card{--bk-c:#237a3b;--bk-c-hi:#3fbf5f;--bk-c-lo:#155226;background:var(--bk-c);color:#fff;box-shadow:inset 4px 4px 0 var(--bk-c-hi), inset -4px -4px 0 var(--bk-c-lo), 0 6px 0 var(--bk-ground);grid-template-columns:auto 1fr;grid-template-areas:"icon head""text text""go go";align-items:center;gap:14px;padding:20px 20px 18px;text-decoration:none;transition:transform 80ms,box-shadow 80ms;display:grid}:root[data-style=blocks] .hub-card:nth-child(2){--bk-c:#1f5fbf;--bk-c-hi:#4d8ff0;--bk-c-lo:#143f80}:root[data-style=blocks] .hub-card:nth-child(3){--bk-c:#5b3bb8;--bk-c-hi:#8667e6;--bk-c-lo:#3c2580}:root[data-style=blocks] .hub-card:hover{box-shadow:inset 4px 4px 0 var(--bk-c-hi), inset -4px -4px 0 var(--bk-c-lo), 0 8px 0 var(--bk-ground);transform:translateY(-2px)}:root[data-style=blocks] .hub-card:active{box-shadow:inset 4px 4px 0 var(--bk-c-lo), inset -4px -4px 0 var(--bk-c-hi), 0 1px 0 var(--bk-ground);transform:translateY(5px)}:root[data-style=blocks] .hub-card:focus-visible{outline:4px solid var(--bk-signal);outline-offset:4px}:root[data-style=blocks] .hub-card-icon{background:#00000038;grid-area:icon;place-items:center;width:56px;height:56px;display:grid;box-shadow:inset 3px 3px #0003}:root[data-style=blocks] .hub-card-icon svg{fill:none;stroke:#fff;stroke-width:4px;stroke-linecap:square;stroke-linejoin:miter;width:36px;height:36px}:root[data-style=blocks] .hub-card-icon .wire{stroke:#ffffffb3}:root[data-style=blocks] .hub-card-head{flex-direction:column;grid-area:head;display:flex}:root[data-style=blocks] .hub-card-name{letter-spacing:.02em;font-family:"Jersey 15",ui-monospace,monospace;font-size:38px;line-height:.9}:root[data-style=blocks] .hub-card-kind{opacity:.9;font-size:14px;font-weight:650}:root[data-style=blocks] .hub-card-text{grid-area:text;line-height:1.5}:root[data-style=blocks] .hub-card-go{background:#00000040;grid-area:go;justify-self:start;padding:5px 14px 6px;font-family:"Jersey 15",ui-monospace,monospace;font-size:24px;line-height:1;box-shadow:inset 2px 2px #00000040}:root[data-style=blocks] .hub-card-go span{display:none}:root[data-style=blocks] #hub-more{gap:22px}:root[data-style=blocks] .hub-more-block{background:var(--bk-panel);box-shadow:inset 4px 4px 0 var(--bk-panel-hi), inset -4px -4px 0 var(--bk-panel-lo), 0 6px 0 var(--bk-ground);padding:22px 24px 24px}:root[data-style=blocks] .hub-more-block h2{margin:0 0 8px;font-family:"Jersey 15",ui-monospace,monospace;font-size:32px;font-weight:400;line-height:1}:root[data-style=blocks] .hub-more-block p{color:var(--bk-soft);margin:0 0 14px;line-height:1.55}:root[data-style=blocks] .hub-lessons{margin-bottom:18px}:root[data-style=blocks] .hub-lessons a{color:var(--bk-ink);background:var(--bk-panel);box-shadow:inset 0 0 0 2px var(--border), 0 3px 0 var(--bk-ground);padding:6px 12px;text-decoration:none;display:inline-block}:root[data-style=blocks] .hub-lessons a:hover{color:#fff;box-shadow:inset 0 0 0 2px #155226, 0 3px 0 var(--bk-ground);background:#237a3b}:root[data-style=blocks] .hub-school strong{font-family:"Jersey 15",ui-monospace,monospace;font-size:23px;font-weight:400;line-height:1.1}:root[data-style=blocks] .hub-school span,:root[data-style=blocks] .hub-foot{color:var(--bk-soft)}:root[data-style=blocks] .hub-more-link{color:#161b33;background:var(--bk-signal);box-shadow:0 3px 0 var(--bk-ground);padding:4px 12px 5px;font-family:"Jersey 15",ui-monospace,monospace;font-size:22px;text-decoration:none;display:inline-block}:root[data-style=blocks] .hub-more-link:active{box-shadow:0 1px 0 var(--bk-ground);transform:translateY(2px)}:root[data-style=blocks] .hub-more-link span{display:none}@media (width<=560px){:root[data-style=blocks] .hub-card{padding:16px 16px 14px}:root[data-style=blocks] .hub-card-name{font-size:34px}:root[data-style=blocks] .hub-more-block{padding:18px 16px 20px}}html,body{min-height:100%;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif;font-size:15px}#hub{flex-direction:column;min-height:100dvh;display:flex;position:relative;overflow-x:hidden}.hub-bg{z-index:0;width:100%;height:100%;display:none;position:fixed;inset:0}.hub-top,.hub-main{z-index:1;position:relative}.hub-top{z-index:3;justify-content:space-between;align-items:center;gap:12px;padding:14px 24px;display:flex}.hub-mark{color:var(--fg);letter-spacing:.01em;align-items:center;gap:8px;font-size:18px;text-decoration:none;display:inline-flex}.hub-controls{align-items:center;gap:8px;display:flex}.hub-main{text-align:center;flex-direction:column;flex:1;align-items:center;width:100%;max-width:1040px;margin:0 auto;padding:7vh 24px 48px;display:flex}.hub-tagline{max-width:560px;color:var(--hub-text-soft);margin:18px 0 0;font-size:clamp(16px,2.2vw,20px)}.hub-cards{text-align:left;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));gap:20px;width:100%;margin-top:clamp(32px,7vh,64px);display:grid}@media (width<=560px){.hub-top{padding:12px 16px}.hub-main{padding:5vh 16px 32px}}#hub-more{z-index:1;grid-template-columns:repeat(auto-fit,minmax(min(100%,420px),1fr));align-items:start;gap:20px;max-width:1040px;margin:0 auto;padding:8px 24px 40px;display:grid;position:relative}#hub-more:empty{display:none}.hub-lessons{flex-wrap:wrap;gap:8px;margin:0 0 14px;padding:0;list-style:none;display:flex}.hub-school{gap:10px;margin:0 0 14px;padding:0;list-style:none;display:grid}.hub-school li{flex-direction:column;display:flex}.hub-school span{color:var(--hub-text-soft)}.hub-foot{text-align:center;color:var(--hub-text-soft);grid-column:1/-1;margin:8px 0 0;font-size:14px}@media (width<=560px){#hub-more{padding:4px 16px 32px}}.style-picker{position:relative}.style-button{align-items:center;gap:6px;min-height:32px;display:inline-flex}.style-icon{flex:none;width:16px;height:16px}.style-icon .a{fill:#3fbf5f}.style-icon .b{fill:#2f7de1}.style-icon .c{fill:#ffb000}.style-icon .d{fill:#f472b6}.style-menu{z-index:20;background:var(--panel);min-width:210px;color:var(--fg);border:1px solid var(--border);border-radius:10px;gap:2px;padding:6px;display:grid;position:absolute;top:calc(100% + 6px);right:0;box-shadow:0 12px 32px #0a0f1e38}.style-menu[hidden]{display:none}.style-item{text-align:left;background:0 0;border:1px solid #0000;border-radius:7px;align-items:center;gap:10px;width:100%;min-height:40px;padding:6px 8px;display:flex}.style-item:hover:not(:disabled),.style-item:focus-visible{border-color:var(--border);background:var(--panel-2);outline:none}.style-item[aria-checked=true]{border-color:var(--selection);font-weight:650}.style-swatch{background:linear-gradient(90deg, var(--s1) 0 34%, var(--s2) 34% 67%, var(--s3) 67%);border:1px solid #00000026;border-radius:5px;flex:none;width:30px;height:22px}@media (width<=420px){.style-button-label{display:none}}.hub-foot a{color:inherit}