@import url('https://fonts.googleapis.com/css2?family=Familjen+Grotesk:wght@500;700&family=Courier+Prime:ital,wght@0,400;0,700;1,400&display=swap');
:root{--bg:#F2E300;--sf:#FFF7A8;--ink:#111111;--blue:#0047FF;--red:#FF2E00;--rule:#111111}
a{overflow-wrap:anywhere}
*{box-sizing:border-box}html{background:var(--bg)}body{margin:0;background:var(--bg);color:var(--ink);font:1.05rem/1.6 "Courier Prime",monospace}
a{color:var(--blue);text-decoration-thickness:2px}:focus-visible{outline:4px solid var(--blue);outline-offset:3px}
.skip{position:absolute;left:-999px}.skip:focus{left:1rem;top:1rem;background:var(--sf);border:2px solid var(--ink);padding:.5rem;z-index:20}
h1,h2,h3,.g{font-family:"Familjen Grotesk",sans-serif;line-height:1;letter-spacing:-.02em}
.head{display:flex;justify-content:space-between;align-items:flex-end;padding:1rem 1.4rem .2rem;gap:1rem;flex-wrap:wrap;border-bottom:4px solid var(--ink)}
.mark{font:700 1.5rem "Familjen Grotesk";color:var(--ink);text-decoration:none}.mark span{color:var(--red)}.head small{font-size:.85rem}
.bus{padding:1.2rem 1.4rem 1.4rem;position:relative;overflow-x:auto}
.bus ol{list-style:none;margin:0;padding:0;display:flex;justify-content:space-between;position:relative;min-width:640px}
.bus ol:before{content:"";position:absolute;left:0;right:0;top:9px;height:4px;background:var(--ink)}
.bus li{position:relative;z-index:1;text-align:center;flex:1}
.bus a{display:inline-flex;flex-direction:column;align-items:center;gap:.3rem;text-decoration:none;color:var(--ink);font:700 .95rem "Familjen Grotesk";padding:0 .3rem}
.bus a:before{content:"";width:22px;height:22px;border-radius:50%;background:var(--bg);border:4px solid var(--ink);box-sizing:border-box}
.bus a .t{font:400 .72rem "Courier Prime"}
.bus a:hover:before{background:var(--sf)}.bus a[aria-current=page]:before{background:var(--red);border-color:var(--ink)}
.bus a[aria-current=page]{color:var(--red)}
.dot{position:absolute;top:calc(1.2rem + 5px);width:12px;height:12px;border-radius:50%;background:var(--blue);left:1.4rem;z-index:2;transition:transform 1s cubic-bezier(.6,0,.2,1)}
main{max-width:1200px;margin:auto;padding:1.5rem 1.4rem 3rem}
h1{font-size:clamp(2.4rem,8vw,6rem);margin:.2rem 0 1rem}.ref{font-weight:700;color:var(--red)}
.lede{font-size:1.15rem;max-width:44rem}
.schem{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:1.4rem;align-items:start}
.sch{width:100%;height:auto;background:var(--bg);border:4px solid var(--ink)}
.w{fill:none;stroke:var(--ink);stroke-width:4}.w.b{stroke:var(--blue)}.w.r{stroke:var(--red)}
.flow{fill:none;stroke-width:4;stroke-dasharray:6 22;animation:cur 1.2s linear infinite}
.flow.b{stroke:var(--sf)}.flow.r{stroke:var(--sf)}
@keyframes cur{to{stroke-dashoffset:-28}}
.comp rect{fill:var(--sf);stroke:var(--ink);stroke-width:4;transition:fill .15s}.comp text{font-family:"Familjen Grotesk";font-weight:700;font-size:20px;fill:var(--ink)}.comp .s{font:400 14px "Courier Prime"}
.comp:hover rect,.comp:focus rect{fill:var(--ink)}.comp:hover text,.comp:focus text{fill:var(--bg)}.comp:focus{outline:none}.comp:focus-visible rect{stroke:var(--blue);stroke-width:8}
.legend{border:4px solid var(--ink);background:var(--sf);padding:1rem}.legend h2{font-size:1.4rem;margin:0 0 .6rem;border-bottom:2px solid var(--ink);padding-bottom:.4rem}
.legend dl{margin:0;display:grid;grid-template-columns:auto minmax(0,1fr);gap:.5rem .8rem;align-items:center}.legend dd{margin:0;font-size:.95rem}
.sw{display:inline-block;width:36px;height:0;border-top:4px solid var(--ink)}.sw.b{border-color:var(--blue)}.sw.r{border-color:var(--red)}.bx{display:inline-block;width:30px;height:18px;border:3px solid var(--ink);background:var(--bg)}
.legend ul{padding-left:1.1rem;margin:.8rem 0 0}
.circ{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);border:4px solid var(--ink);margin:2rem 0;background:var(--sf)}
.circ svg{width:100%;height:auto;background:var(--bg);border-right:4px solid var(--ink);display:block}
.notes{padding:1.2rem 1.4rem}.notes h2{font-size:2rem;margin:.2rem 0 .6rem}.notes ul{padding-left:1.1rem}
.scope{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.4rem}
.panel{background:#1a1a12;border:6px solid var(--ink);border-radius:10px;padding:1rem;color:#f3f0c8}
.panel .scr{background:#0e1408;border:2px solid #333;border-radius:6px;background-image:linear-gradient(#2a3a1f 1px,transparent 1px),linear-gradient(90deg,#2a3a1f 1px,transparent 1px);background-size:20px 20px}
.panel svg{display:block;width:100%;height:120px}.trace{fill:none;stroke:var(--bg);stroke-width:2.5}
.panel h2{color:var(--bg);font-size:1.4rem;margin:.8rem 0 .3rem}.panel .ch{font-size:.8rem;color:#c9c7a0}.panel p{margin:.4rem 0}
.knobs{display:flex;gap:.5rem;margin-top:.6rem}.knobs span{width:20px;height:20px;border-radius:50%;border:3px solid #777;background:#333}
table{width:100%;border-collapse:collapse;background:var(--sf);border:4px solid var(--ink)}th,td{border:2px solid var(--ink);padding:.6rem .7rem;text-align:left;vertical-align:top;overflow-wrap:anywhere}
thead th{background:var(--ink);color:var(--bg);font-family:"Familjen Grotesk"}.tw{overflow-x:auto}
.tb{border:4px solid var(--ink);background:var(--sf);max-width:760px}
.term{display:grid;grid-template-columns:110px minmax(0,1fr);border-bottom:3px solid var(--ink)}
.term label{background:var(--ink);color:var(--bg);font:700 .95rem "Familjen Grotesk";padding:.8rem;display:flex;flex-direction:column;gap:.3rem;justify-content:center}
.term label:before{content:"";width:18px;height:18px;border-radius:50%;background:var(--bg);box-shadow:inset 0 0 0 3px var(--ink);background-image:linear-gradient(45deg,transparent 45%,var(--ink) 45% 55%,transparent 55%)}
.term label small{font:400 .75rem "Courier Prime"}
.term input,.term textarea{border:0;font:inherit;padding:.8rem;background:var(--sf);width:100%;min-width:0;color:var(--ink)}
.go{margin:1rem;background:var(--red);color:var(--ink);font:700 1.1rem "Familjen Grotesk";border:4px solid var(--ink);padding:.8rem 1.4rem;cursor:pointer;box-shadow:5px 5px 0 var(--ink)}
.go:active{transform:translate(3px,3px);box-shadow:2px 2px 0 var(--ink)}
.status{margin:0 1rem 1rem;border:3px dashed var(--blue);padding:.8rem;background:var(--bg)}.status:empty{display:none}
.prose{max-width:44rem}.prose h2{margin-top:2rem;font-size:1.6rem}
footer{border-top:4px solid var(--ink);padding:1.2rem 1.4rem;display:flex;gap:1rem;flex-wrap:wrap;justify-content:space-between;font-size:.9rem}
@media(max-width:860px){.schem,.circ{grid-template-columns:1fr}.circ svg{border-right:0;border-bottom:4px solid var(--ink)}.term{grid-template-columns:1fr}
.bus ol{flex-direction:column;min-width:0;gap:.6rem}.bus ol:before{left:9px;right:auto;top:0;bottom:0;width:4px;height:auto}.bus li{text-align:left}.bus a{flex-direction:row;gap:.7rem}.dot{display:none}}
@media(prefers-reduced-motion:reduce){.flow{animation:none}*{transition:none!important}}