.circuit-page{--bg:#1f5eff;--bg-deep:#0a3bcc;--text:#d6e2ff;--text-h:#f5f8ff;--muted:#9bb5f0;--ink:#06091a;--ink-h:#11162a;--sans:"Pixelify Sans", ui-sans-serif, system-ui, sans-serif;--mono:"Geist Mono", ui-monospace, "SF Mono", Menlo, monospace;font-family:var(--sans);color:var(--text);--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;-webkit-font-smoothing:antialiased;max-width:1400px;min-height:100svh;margin:0 auto;padding:28px 32px 48px;position:relative}.circuit-page:before{content:"";z-index:-10;pointer-events:none;background-color:#1f5eff;background-image:linear-gradient(#ffffff0f 1px,#0000 1px),linear-gradient(90deg,#ffffff0f 1px,#0000 1px),linear-gradient(#ffffff1a 1px,#0000 1px),linear-gradient(90deg,#ffffff1a 1px,#0000 1px);background-size:24px 24px,24px 24px,120px 120px,120px 120px;position:fixed;inset:0}.circuit-page ::selection{background:var(--ink);color:var(--text-h)}.circuit-top{justify-content:space-between;align-items:center;gap:24px;margin-bottom:24px;display:flex}.circuit-back,.circuit-source{font-family:var(--sans);color:var(--text-h);border:2px solid var(--ink);background:#ffffff14;padding:6px 12px;font-size:14px;font-weight:500;text-decoration:none;transition:background .14s,color .14s}.circuit-back:hover,.circuit-source:hover{background:var(--ink)}.circuit-title{flex-direction:column;align-items:center;gap:4px;display:flex}.circuit-eyebrow{font-family:var(--sans);letter-spacing:.06em;color:var(--text-h);opacity:.85;text-transform:uppercase;font-size:13px;font-weight:500}.circuit-title h1{font-family:var(--sans);color:var(--text-h);text-transform:uppercase;letter-spacing:0;text-shadow:3px 3px 0 var(--bg-deep), 6px 6px 0 #00000040;margin:0;font-size:clamp(28px,4vw,44px);font-weight:700}.circuit-levels{border:2px solid var(--ink);background:#06091a80;justify-content:center;gap:0;width:fit-content;margin:0 auto 14px;display:flex}.circuit-level{color:var(--text);font-family:var(--sans);cursor:pointer;background:0 0;border:none;align-items:baseline;gap:8px;padding:10px 20px;font-size:14px;font-weight:500;transition:background .14s,color .14s;display:flex}.circuit-level+.circuit-level{border-left:1px solid #fff3}.circuit-level:hover{color:var(--text-h);background:#ffffff0f}.circuit-level.is-active{background:var(--ink);color:var(--text-h)}.circuit-level__n{font-family:var(--mono);opacity:.7;font-size:11px}.circuit-next{background:var(--text-h);color:var(--ink);border:2px solid var(--ink);font-family:var(--sans);cursor:pointer;margin-top:8px;padding:8px 14px;font-size:13px;font-weight:600;transition:transform .12s,box-shadow .12s;box-shadow:3px 3px #0006}.circuit-next:active{transform:translate(3px,3px);box-shadow:0 0 #0006}.circuit-code{background:#06091ad9;border:1px solid #ffffff1f;padding:18px 20px}.circuit-code h2{font-family:var(--sans);color:var(--text-h);margin:0 0 6px;font-size:16px;font-weight:600}.circuit-code__hint{font-family:var(--mono);color:var(--muted);margin:0 0 12px;font-size:11px;line-height:1.5}.circuit-code pre{background:#04060a;border:1px solid #ffffff14;margin:0;padding:12px 14px;overflow-x:auto}.circuit-code code{font-family:var(--mono);color:#d6e2ff;white-space:pre;font-size:11px;line-height:1.55}.circuit-hint{text-align:center;font-family:var(--mono);color:var(--text);opacity:.85;max-width:56ch;margin:0 auto 20px;font-size:13px;line-height:1.5}.circuit-grid{grid-template-columns:minmax(0,1fr) minmax(280px,360px);align-items:start;gap:28px;display:grid}@media (max-width:980px){.circuit-grid{grid-template-columns:1fr}}.circuit-canvas{box-shadow:8px 8px 0 0 var(--bg-deep), 0 30px 60px -20px #0009;background:linear-gradient(#06183f,#030d24);border:1px solid #ffffff1f;padding:18px;position:relative}.circuit-canvas:before{content:"";pointer-events:none;border:1px dashed #ffffff2e;position:absolute;inset:6px}.circuit-svg{width:100%;height:auto;display:block}.circuit-side{flex-direction:column;gap:18px;display:flex}.circuit-status{background:var(--ink);border:2px solid var(--ink);flex-direction:column;gap:8px;padding:18px 20px;display:flex;position:relative;box-shadow:4px 4px #00000059}.circuit-status__count{font-family:var(--sans);color:var(--text-h);align-items:baseline;gap:6px;font-weight:700;display:flex}.circuit-status__n{font-size:48px;line-height:1}.circuit-status__d{opacity:.5;font-size:18px}.circuit-status__label{font-family:var(--mono);color:var(--muted);text-transform:uppercase;letter-spacing:.04em;font-size:12px}.circuit-reset{color:var(--text);font-family:var(--mono);cursor:pointer;background:0 0;border:1px solid #ffffff4d;padding:4px 8px;font-size:11px;transition:border-color .14s,color .14s;position:absolute;top:18px;right:18px}.circuit-reset:hover{border-color:var(--text-h);color:var(--text-h)}.circuit-list,.circuit-bom{background:#06091ab3;border:1px solid #ffffff1f;padding:18px 20px}.circuit-list h2,.circuit-bom h2{font-family:var(--sans);color:var(--text-h);letter-spacing:0;margin:0 0 6px;font-size:16px;font-weight:600}.circuit-list__hint{font-family:var(--mono);color:var(--muted);margin:0 0 14px;font-size:11px;line-height:1.5}.circuit-list ul,.circuit-bom ul{flex-direction:column;gap:6px;margin:0;padding:0;list-style:none;display:flex}.circuit-list li{font-family:var(--mono);color:var(--text);cursor:pointer;border-left:2px solid #0000;grid-template-columns:14px minmax(0,1fr) 18px;align-items:start;gap:8px;padding:6px 8px;font-size:11.5px;transition:background .12s,border-color .12s;display:grid}.circuit-list li:hover{border-left-color:var(--text-h);background:#ffffff0d}.circuit-list li.is-verified{background:#22c55e14;border-left-color:#22c55e}.circuit-list__swatch{border-radius:2px;width:12px;height:12px;margin-top:2px;box-shadow:inset 0 0 0 1px #0006}.circuit-list__sig{color:var(--text-h);font-weight:500;display:block}.circuit-list__desc{color:var(--muted);grid-column:2;font-size:10.5px}.circuit-list__check{color:#22c55e;font-weight:700;font-family:var(--sans)}.circuit-bom li{font-family:var(--mono);color:var(--text);font-size:11.5px;line-height:1.55}.circuit-bom li b{color:var(--text-h);font-weight:600}