:root{--ink:#1d1d1b;--bg:#f7f6f2;--accent:#b0451f;--line:#d9d6cc;--muted:#5f5d55;--font-body:system-ui, -apple-system, "Segoe UI", sans-serif;--font-head:Georgia, "Times New Roman", serif;--font-mono:ui-monospace, "SFMono-Regular", Menlo, monospace;--wrap:72rem;--card:color-mix(in srgb, var(--ink) 4%, var(--bg));--card-open:color-mix(in srgb, var(--bg) 60%, white);--accent-text:var(--accent);--on-ink:var(--bg)}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:var(--bg);color:var(--ink);font:1.0625rem/1.65 var(--font-body);margin:0}a{color:inherit;text-underline-offset:.2em}a:hover{color:var(--accent)}img,video{max-width:100%;height:auto}main:focus{outline:none}.wrap{width:min(100% - 2 * clamp(20px, 4vw, 48px), var(--wrap));margin-inline:auto}.skip-link{z-index:100;background:var(--ink);color:var(--on-ink);border-radius:4px;padding:10px 14px;position:absolute;top:-80px;left:12px}.skip-link:focus{top:12px}.site-header{border-bottom:1px solid var(--line);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px 24px;min-height:5rem;padding-block:18px;display:flex}.brand{font:750 1.5rem/1.2 var(--font-body);letter-spacing:-.03em;align-items:center;text-decoration:none;display:inline-flex}.brand:hover{color:inherit}.site-nav{flex-wrap:wrap;gap:8px 22px;display:flex}.site-footer{border-top:1px solid var(--line);color:var(--muted);font:.8125rem/1.6 var(--font-mono);margin-top:4rem;padding-block:28px 44px}.site-footer .wrap{flex-wrap:wrap;justify-content:space-between;gap:12px 24px;display:flex}.site-footer a{color:var(--ink);font-weight:700;text-decoration:none}.page{padding-block:clamp(36px,6vw,64px)}.page h1{font:clamp(2rem, 5vw, 3.25rem)/1.12 var(--font-head);letter-spacing:-.03em;overflow-wrap:anywhere;margin:.2em 0 .6em}.eyebrow,.meta{font:.8125rem/1.6 var(--font-mono);letter-spacing:.06em;color:var(--muted);margin:0}.empty{border:1px solid var(--line);border-radius:4px;padding:24px}.post-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin:0;padding:0;list-style:none;display:grid}.post-list>li{min-width:0}.post-card{border:1px solid var(--line);overflow-wrap:anywhere;background:var(--card);border-radius:4px;height:100%;padding:26px}.post-card h3{font:1.55rem/1.25 var(--font-head);margin:12px 0 10px}.post-card p{color:var(--muted);margin:0;font-size:1rem}.post-card a{text-decoration-thickness:1px}.category-links{flex-wrap:wrap;gap:8px;margin:18px 0;padding:0;list-style:none;display:flex}.category-links a{border:1px solid var(--line);border-radius:4px;padding:8px 12px;font-size:.875rem;line-height:1.5;text-decoration:none;display:block}.category-links a:hover,.category-links a[aria-current]{background:var(--ink);color:var(--on-ink);border-color:var(--ink)}.progress{z-index:50;background:var(--accent);transform-origin:0;width:100%;height:3px;transform:scaleX(var(--p,0));position:fixed;top:0;left:0}.post-grid{grid-template-columns:minmax(0,1fr);grid-template-areas:"head""video""toc""prose""after""foot";padding-block:clamp(36px,6vw,72px);display:grid}.post-head{border-bottom:1px solid var(--line);grid-area:head;margin-bottom:28px;padding-bottom:28px}.post-head h1{font:clamp(2rem, 5vw, 3.4rem)/1.1 var(--font-head);letter-spacing:-.035em;overflow-wrap:anywhere;margin:.4em 0}.post-head .lead{color:var(--muted);margin:0;font-size:1.2rem}.post-head .draft-note{border:1px dashed var(--accent);color:var(--accent-text);border-radius:4px;padding:4px 10px;display:inline-block}.post-prose{grid-area:prose;min-width:0}.post-after{grid-area:after;min-width:0}.post-foot{border-top:1px solid var(--line);grid-area:foot;margin-top:3rem;padding-top:24px}.video{grid-area:video;margin:0 0 2rem}.toc{grid-area:toc}@media (width>=70rem){.post-grid.has-toc{grid-template-columns:minmax(0,46rem) 17rem;grid-template-areas:"head toc""video toc""prose toc""after toc""foot toc";justify-content:center;align-items:start;column-gap:56px}.post-grid.has-toc .toc{max-height:calc(100vh - 40px);position:sticky;top:20px;overflow:auto}}.prose{overflow-wrap:break-word;max-width:46rem}.prose>:first-child{margin-top:0}.prose h2{font:1.9rem/1.2 var(--font-head);letter-spacing:-.02em;margin:2.4em 0 .6em;scroll-margin-top:20px}.prose h3{font:1.35rem/1.3 var(--font-head);margin:1.8em 0 .5em;scroll-margin-top:20px}.prose p,.prose ul,.prose ol{margin:0 0 1.1em}.prose img{border-radius:4px;display:block}.prose figure{margin:1.6em 0}.prose figcaption{color:var(--muted);margin-top:8px;font-size:.9rem}.prose blockquote{border-left:4px solid var(--accent);color:var(--muted);margin:1.4em 0;padding:.2em 1.2em}.prose code{font:.9em var(--font-mono);background:var(--card);border-radius:3px;padding:.1em .35em}.prose pre{background:var(--ink);color:var(--on-ink);font:.9rem/1.5 var(--font-mono);border-radius:6px;margin:0;padding:16px}.prose pre code{background:0 0;padding:0}.prose table{border-collapse:collapse;width:100%;font-size:.95rem}.prose th,.prose td{border:1px solid var(--line);text-align:left;padding:8px 10px}.reading-scroll{max-width:100%;margin:1.4em 0;overflow-x:auto}.reading-scroll:focus-visible{outline:3px solid var(--accent)}.video-frame{aspect-ratio:16/9;background:var(--ink);border-radius:10px;position:relative;overflow:hidden}.video-frame iframe,.video-frame>img{object-fit:cover;border:0;width:100%;height:100%;position:absolute;inset:0}.video-play{cursor:pointer;width:100%;color:var(--on-ink);background:0 0;border:0;place-items:center;padding:0;display:grid;position:absolute;inset:0}.video-play span{background:var(--accent);border-radius:50%;place-items:center;width:4.5rem;height:4.5rem;padding-left:.2em;font-size:1.6rem;display:grid}.video-play:hover span{transform:scale(1.06)}.video-soon .soon-badge{background:var(--ink);color:var(--on-ink);border-radius:6px;margin:0;padding:10px 14px;font-size:.9rem;position:absolute;bottom:12px;left:12px;right:12px}.toc{background:var(--card);border:1px solid var(--line);border-radius:10px;margin-bottom:2rem;padding:18px 20px}.toc h2{font:600 .72rem var(--font-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:0 0 .6rem}.toc ol{gap:2px;margin:0;padding:0;list-style:none;display:grid}.toc li{border-left:3px solid #0000;border-radius:0 6px 6px 0;align-items:baseline;gap:12px;padding:4px 8px 4px 10px;font-size:.95rem;line-height:1.4;display:flex}.toc li.is-current{border-left-color:var(--accent);background:var(--bg);font-weight:700}.toc .time{min-width:3rem;font:600 .82rem var(--font-mono);color:var(--accent);flex:none;text-decoration:none}.toc .time-none{color:var(--muted);font-weight:400}.toc-link{overflow-wrap:anywhere;text-decoration:none}.toc-link:hover{text-decoration:underline}@media (width<=40rem){.post-list{grid-template-columns:1fr}.post-card{padding:22px 18px}.site-header{min-height:4rem}.brand{font-size:1.3rem}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}:root{--bg:#f4f1e9;--ink:#292b25;--accent:#b94524;--line:#d5d2c7;--muted:#64665c;--font-body:Arial, Helvetica, sans-serif;--font-head:Georgia, "Times New Roman", serif;--font-mono:ui-monospace, SFMono-Regular, Consolas, monospace;--wrap:77.5rem;--on-ink:#f9f4e7;--card:#eeefe5;--card-open:#faf8ef;--orange:var(--accent);--paper:#e8e5da;font-synthesis:none;color-scheme:light}body{line-height:1.7}button{font:inherit;color:inherit}button,a{-webkit-tap-highlight-color:transparent}button,summary{cursor:pointer}a,button,summary{touch-action:manipulation}:focus-visible{outline:3px solid var(--orange);outline-offset:5px}::selection{background:#e8b497}button:disabled{cursor:default}.sr-only{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.logo{letter-spacing:-1.3px;align-items:center;font-size:25px;font-weight:750;display:inline-flex}.logo-text b{font-weight:450}.brand-dot{color:var(--orange)}.brand-icon{background:var(--orange);color:#f6edda;text-align:center;letter-spacing:0;border-radius:2px;width:31px;height:35px;margin-right:12px;font-size:32px;line-height:35px}.site-header{min-height:110px;padding-block:24px}.site-nav{gap:8px 34px}.site-nav a{font-size:.8125rem;text-decoration:none}.site-nav a:hover,.site-nav a[aria-current]{color:var(--orange);text-decoration:none}.site-footer{font:inherit;border-top:1px solid var(--line);margin-top:3rem;padding-block:30px 40px}.site-footer .wrap{align-items:center}.site-footer a{color:var(--ink);font-weight:700}.footer-slogan{font:.625rem/1.6 var(--font-mono);letter-spacing:.08em;text-transform:uppercase}.post-prose{font-size:1.0625rem;line-height:1.85}@media (width>=70rem){.post-grid.has-toc{grid-template-areas:"head toc""video toc""prose toc""after after""foot foot"}.post-grid.has-toc .toc{background:0 0;border:0;border-radius:0;align-self:stretch;max-height:none;padding:0;position:static;overflow:visible}.post-grid.has-toc .toc h2{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.post-grid.has-toc .toc ol{background:var(--card);border:1px solid var(--line);border-radius:10px;max-height:calc(100vh - 40px);padding:18px 20px;position:sticky;top:20px;overflow:auto}.post-grid.has-toc .toc ol:before{content:"Rozdziały" / "";font:600 .72rem var(--font-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:.6rem}}.prose{overflow-wrap:anywhere;max-width:46rem;line-height:1.85}.prose p,.prose ul,.prose ol{margin-block:0 1.5em}.prose h2,.prose h3,.prose h4{font-family:var(--font-head);margin-block:1.8em .65em;font-weight:400;line-height:1.25}.prose h2{letter-spacing:-.03em;font-size:1.9em}.prose h3{font-size:1.45em}.prose ul,.prose ol{padding-left:1.5em}.prose li{margin-block:.4em;padding-left:.25em}.prose li::marker{color:var(--orange)}.prose a{color:var(--orange);text-decoration-thickness:1px}.prose a:hover{text-decoration-thickness:2px}.prose a:is([href^=\#obwod-],[href^=\#silnik-],[href^=\#siec-],[href^=\#energia-],[href^=\#pole-],[href^=\#indukcja-],[href^=\#gt-],[href^=\#tabliczka-],[href^=\#trafo-],[href^=\#droga-],[href^=\#przewodzi-],[href^=\#elektrony-],[href^=\#generator-],[href=\#pradnica-krok-po-kroku]){border-left:3px solid var(--orange);background:var(--card);padding:16px 20px;scroll-margin-top:32px;font-size:.95em;line-height:1.6;text-decoration:none;display:block}.prose a:is([href^=\#obwod-],[href^=\#silnik-],[href^=\#siec-],[href^=\#energia-],[href^=\#pole-],[href^=\#indukcja-],[href^=\#gt-],[href^=\#tabliczka-],[href^=\#trafo-],[href^=\#droga-],[href^=\#przewodzi-],[href^=\#elektrony-],[href^=\#generator-],[href=\#pradnica-krok-po-kroku]):hover{background:#e5e9d8}.prose blockquote{font-family:var(--font-head);border-left-color:var(--orange);font-size:1.15em}.prose :not(pre)>code{background:var(--paper)}.prose th{background:var(--paper);font-weight:600}.prose th,.prose td{overflow-wrap:normal}.post-card{background:0 0;border-radius:3px;padding:28px}.post-card h3{font:1.65rem/1.25 var(--font-head)}.post-card h3 a{text-decoration-thickness:1px}.category-links a{border-radius:3px;font-size:.875rem}.category-links a:hover,.category-links a[aria-current]{color:var(--on-ink)}.page .lead{max-width:60ch;color:var(--muted);margin:0 0 40px;font-size:1.05rem;line-height:1.7}.page .eyebrow a{color:inherit}.workshop-cards{grid-template-columns:repeat(auto-fill,minmax(min(100%,320px),1fr));gap:20px;margin:0;padding:0;list-style:none;display:grid}.workshop-cards a{background:var(--card);border:1px solid #bfc5af;border-radius:8px;flex-direction:column;gap:10px;height:100%;padding:24px;text-decoration:none;display:flex}.workshop-cards a:hover,.workshop-cards a:focus-visible{border-color:var(--orange);color:inherit}.workshop-cards .kind{color:#5c6550;font:.7rem/1.5 var(--font-mono);letter-spacing:.12em;border:1px solid #aeb59c;border-radius:3px;align-self:flex-start;padding:2px 8px}.workshop-cards h2{font:1.6rem/1.2 var(--font-head);letter-spacing:-.02em;margin:0}.workshop-cards p{color:var(--muted);flex:1;margin:0;line-height:1.6}.workshop-cards .open{font-weight:650}.used-in{margin-top:64px}.used-in h2{font:1.8rem/1.2 var(--font-head);letter-spacing:-.02em;margin:0 0 24px}.home{padding-bottom:20px}.home .hero{grid-template-columns:1.02fr 1fr;align-items:center;gap:12px;padding:52px 0 62px;display:grid}.home .eyebrow{letter-spacing:1.6px}.status-dot{background:var(--orange);vertical-align:1px;border-radius:50%;width:6px;height:6px;margin-right:8px;display:inline-block}.home h1{font:clamp(44px, 5.1vw, 65px)/1.07 var(--font-head);letter-spacing:-2.9px;margin:28px 0 24px}.home em{color:var(--orange);font-style:normal}.hero-copy>p{color:var(--muted);font-size:1rem;line-height:1.85}.primary{background:var(--ink);color:var(--on-ink);border-radius:3px;align-items:center;gap:35px;margin-top:19px;padding:16px 21px;font-size:.75rem;text-decoration:none;display:inline-flex}.primary:hover{color:var(--on-ink);background:#48513c}.handwritten{color:#787765;margin-top:23px;font:italic 13px Georgia,serif}.handwritten span{margin-left:8px;font-size:25px}.index-strip{border-block:1px solid var(--line);font:9px var(--font-mono);letter-spacing:1px;color:#6c6f61;justify-content:space-between;gap:15px;padding:18px 0;display:flex}.index-strip b{color:#b1b19e;margin:0 9px;font-weight:400}.notes{padding:52px 0 34px;scroll-margin-top:25px}.section-heading{flex-wrap:wrap;justify-content:space-between;align-items:end;gap:12px;margin-bottom:26px;display:flex}.home h2{font:36px/1.15 var(--font-head);letter-spacing:-1px;margin:14px 0 0}.home h2>span{color:var(--orange)}.entry-count{font:10px var(--font-mono);color:#777b6a;white-space:nowrap;padding-bottom:5px}.empty-note{border:1px solid var(--line);background:#eeece3;border-radius:3px;align-items:center;gap:30px;padding:30px 34px;display:flex}.note-number{font:45px var(--font-head);color:#929780;border-right:1px solid #d1d2c4;padding-right:30px}.note-number span{font:13px var(--font-mono);margin-top:15px;display:block}.empty-note h3{font:25px var(--font-head);margin:12px 0}.empty-note p{color:var(--muted);margin:0;font-size:1rem}.empty-note .eyebrow{font-size:8px}.pencil{color:#8c927b;margin-left:auto;font-size:50px;transform:rotate(-12deg)}.about{border-bottom:1px solid var(--line);grid-template-columns:1fr 1.5fr;gap:35px;padding:65px 0;display:grid}.about>.eyebrow{padding-top:22px}.about h2{margin:0}.about p{color:var(--muted);max-width:510px;font-size:1rem}.signature{color:#7c806d;font:italic 15px Georgia,serif}@media (width>=1400px){.home .hero{padding-block:70px 80px}}@media (width<=900px){.home h1{font-size:48px}.home .hero{gap:0}.desktop{display:none}.handwritten{max-width:235px;line-height:1.5}.index-strip{letter-spacing:0;font-size:8px}.empty-note{gap:20px;padding:25px}.pencil{display:none}}@media (width<=650px){.site-header{min-height:86px}.logo{font-size:23px}.site-nav a{padding-block:8px}.home .hero{grid-template-columns:1fr;gap:25px;padding:38px 0 32px}.home h1{letter-spacing:-2.4px;margin-top:22px;font-size:54px}.hero-copy>p{max-width:330px}.handwritten{max-width:none}.index-strip{flex-direction:column;gap:10px}.notes{padding-top:35px}.home h2{font-size:30px}.entry-count{font-size:8px}.empty-note{align-items:flex-start;gap:17px;padding:24px 20px}.note-number{padding-right:15px;font-size:25px}.note-number span{font-size:9px}.empty-note h3{font-size:23px}.empty-note .eyebrow{letter-spacing:1px;font-size:7px}.about{grid-template-columns:1fr;gap:25px;padding:40px 0}.about>.eyebrow{padding:0}}@media (width<=380px){.note-number{display:none}.empty-note{gap:0}}section.one-screen{position:relative;container-type:inline-size}section.one-screen .part>summary{cursor:pointer;background:#f1ecd6;border:2px solid #34452c;border-radius:8px;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;min-height:52px;margin:10px 16px;padding:8px 14px;list-style:none;display:grid;box-shadow:0 2px #34452c}section.one-screen .part>summary:hover{background:#e8e2c6}section.one-screen .part[open]>summary{box-shadow:none;background:#34452c}section.one-screen .part[open]>summary .part-title,section.one-screen .part[open]>summary .part-sub{color:#fff9ed}section.one-screen .part>summary::-webkit-details-marker{display:none}section.one-screen .part>summary:after{content:"Otwórz ▾";color:#fff9ed;white-space:nowrap;background:#34452c;border-radius:6px;grid-area:1/3/3;margin-left:12px;padding:9px 14px;font:700 .8125rem/1 monospace}section.one-screen .part[open]>summary:after{content:"Zwiń ▴";color:#34452c;background:#fff9ed}section.one-screen .part>summary:focus-visible{outline-offset:-2px;outline:2px solid #a64426}section.one-screen .part-title{color:#293322;grid-column:2;padding:0;font-size:.9375rem}section.one-screen .part-sub{color:#5c6550;grid-area:2/2;font-size:.75rem;line-height:1.3}section.one-screen .part-num{color:#fff9ed;background:#34452c;border-radius:50%;grid-area:1/1/3;place-items:center;width:30px;height:30px;margin-right:12px;font:700 .9375rem/1 monospace;display:grid}section.one-screen .part[open]>summary .part-num{color:#34452c;background:#fff9ed}section.one-screen .board,section.one-screen .meters{position:static}section.one-screen .topic-nav{padding-top:4px}section.one-screen .part-body .board{margin-top:12px}@media (width<=520px){section.one-screen .part>summary{margin-inline:12px}}@container (width>=900px){section.one-screen .lab-header{flex-wrap:wrap;align-items:baseline;gap:4px 24px;padding:12px 230px 8px 24px;display:flex}section.one-screen .lab-eyebrow{display:none}section.one-screen h2{margin:0;font-size:1.5rem}section.one-screen .lab-header>p:last-of-type{flex:1;min-width:280px;margin:0;font-size:.8125rem}section.one-screen .topic-nav{padding:8px 24px}section.one-screen .topic-nav a{min-height:34px;padding:4px 10px}section.one-screen .lesson-panel{grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);align-items:start;gap:0 24px;padding:10px 24px;display:grid}section.one-screen .lesson-panel h3{grid-column:1;margin-bottom:4px}section.one-screen .lesson-panel p{margin-bottom:6px;font-size:.8125rem;line-height:1.5}section.one-screen .lesson-panel [data-lesson-description]{grid-area:2/1}section.one-screen .lesson-panel .lesson-task{grid-area:1/2/span 2}section.one-screen .lesson-actions{grid-column:1/-1}section.one-screen .part>summary{min-height:38px;margin-block:8px}section.one-screen .part-body,section.one-screen>fieldset>.part-body{grid-template-columns:minmax(0,1.45fr) minmax(300px,1fr);align-items:start;display:grid}section.one-screen .part-body .board{margin-top:0;padding:8px 16px 10px}section.one-screen .part-body .board svg{max-height:36vh}section.one-screen .part-body .board:has(svg~svg) svg{max-height:24vh}section.one-screen .panel{background:#f4f3ea;border-left:1px solid #c9cebb;min-width:0}section.one-screen .panel .controls{grid-template-columns:minmax(0,1fr);gap:12px;padding:14px 18px}section.one-screen .part-body:has(.panel .controls>:nth-child(5)){grid-template-columns:minmax(0,1fr) minmax(0,1.1fr)}section.one-screen .panel .controls:has(>:nth-child(5)){grid-template-columns:repeat(2,minmax(0,1fr))}section.one-screen .panel .controls:has(>:nth-child(5))>fieldset,section.one-screen .panel .controls:has(>:nth-child(5))>.wide{grid-column:1/-1}section.one-screen .panel .control p{margin-top:4px}section.one-screen .panel .meters{border-inline:0}section.one-screen .meter{gap:2px;padding:10px 14px}section.one-screen .explanation{margin:0 18px 16px;padding:12px 16px}section.one-screen .explanation p{font-size:.8125rem;line-height:1.55}section.one-screen .lab-bottom{z-index:1;border:0;padding:0;position:absolute;top:10px;right:24px}section.one-screen .lab-bottom>span,section.one-screen .lesson-actions .primary-button{display:none}section.one-screen .lab-bottom .quiet-button{min-height:32px}section.one-screen .model-notes{padding:10px 24px}}.circuit-lab[data-astro-cid-b4wkfatz]{--wire-width:7.07;--flow-time:1s;background:#eeefe5;border:1px solid #bfc5af;border-radius:8px;margin-top:56px;scroll-margin-top:24px;font-size:1rem;line-height:1.5;position:relative;overflow:clip}.circuit-lab[data-astro-cid-b4wkfatz] [data-astro-cid-b4wkfatz][hidden]{display:none!important}.topic-anchor[data-astro-cid-b4wkfatz]{scroll-margin-top:24px;position:absolute;top:0}.topic-nav[data-astro-cid-b4wkfatz]{flex-wrap:wrap;gap:8px;padding:20px 24px;display:flex}.topic-nav[data-astro-cid-b4wkfatz] a[data-astro-cid-b4wkfatz]{background:#faf8ef;border:1px solid #bac3a9;border-radius:4px;align-items:center;min-height:44px;padding:8px 12px;font-size:.8125rem;text-decoration:none;display:inline-flex}.topic-nav[data-astro-cid-b4wkfatz] a[data-astro-cid-b4wkfatz][aria-current=true]{color:#fff9ed;background:#34452c;border-color:#34452c}.lesson-panel[data-astro-cid-b4wkfatz]{background:#fff5e4;border-top:1px solid #d7b78e;border-left:4px solid #b94524;padding:20px 24px}.lesson-panel[data-astro-cid-b4wkfatz] h3[data-astro-cid-b4wkfatz]{margin:0 0 10px;font:600 1rem/1.4 Arial,sans-serif}.lesson-panel[data-astro-cid-b4wkfatz] p[data-astro-cid-b4wkfatz]{margin:0 0 12px;font-size:.875rem;line-height:1.6}.lesson-actions[data-astro-cid-b4wkfatz]{flex-wrap:wrap;align-items:center;gap:8px 20px;display:flex}.return-reading[data-astro-cid-b4wkfatz]{text-underline-offset:3px;color:#963d20;align-items:center;min-height:44px;font-size:.875rem;display:inline-flex}.reading-return-bottom[data-astro-cid-b4wkfatz]{padding:0 24px 20px}.topic-highlight[data-astro-cid-b4wkfatz]{fill:#f8cf792b;stroke:#a64426;stroke-width:3px;stroke-dasharray:7 5;display:none}.highlight-wire[data-astro-cid-b4wkfatz],.highlight-current[data-astro-cid-b4wkfatz]{fill:none;stroke:#a6442650;stroke-width:22px;stroke-dasharray:none}[data-astro-cid-b4wkfatz][data-topic=napiecie] .highlight-voltage[data-astro-cid-b4wkfatz],[data-astro-cid-b4wkfatz][data-topic=przelacznik] .highlight-switch[data-astro-cid-b4wkfatz],[data-astro-cid-b4wkfatz][data-topic=rezystancja] .highlight-resistance[data-astro-cid-b4wkfatz],[data-astro-cid-b4wkfatz][data-topic=przewod] .highlight-wire[data-astro-cid-b4wkfatz],[data-astro-cid-b4wkfatz][data-topic=natezenie] .highlight-current[data-astro-cid-b4wkfatz]{display:block}[data-astro-cid-b4wkfatz][data-topic=napiecie] .voltage-meter[data-astro-cid-b4wkfatz],[data-astro-cid-b4wkfatz][data-topic=natezenie] .current-meter[data-astro-cid-b4wkfatz],[data-astro-cid-b4wkfatz][data-topic=rezystancja] .resistance-meter[data-astro-cid-b4wkfatz],[data-astro-cid-b4wkfatz][data-topic=przewod] .resistance-meter[data-astro-cid-b4wkfatz]{box-shadow:inset 0 0 0 3px #a64426}[data-astro-cid-b4wkfatz][data-topic=napiecie] .control[data-astro-cid-b4wkfatz]:has(#lab-voltage),[data-astro-cid-b4wkfatz][data-topic=natezenie] .control[data-astro-cid-b4wkfatz]:has(#lab-voltage),[data-astro-cid-b4wkfatz][data-topic=przewod] .control[data-astro-cid-b4wkfatz]:has(#lab-area),[data-astro-cid-b4wkfatz][data-topic=rezystancja] .resistor-control[data-astro-cid-b4wkfatz]{outline-offset:7px;border-radius:3px;outline:2px solid #a64426}.lab-header[data-astro-cid-b4wkfatz]{padding:28px 28px 22px}.lab-eyebrow[data-astro-cid-b4wkfatz]{color:#5c6550;letter-spacing:.12em;margin:0 0 10px;font:.7rem/1.5 monospace}h2[data-astro-cid-b4wkfatz]{letter-spacing:-.03em;margin:0 0 12px;font:2rem/1.15 Georgia,serif}.lab-header[data-astro-cid-b4wkfatz]>p[data-astro-cid-b4wkfatz]:last-of-type{margin:0;font-size:.95rem}fieldset[data-astro-cid-b4wkfatz]{border:0;min-width:0;margin:0;padding:0}.circuit-layout[data-astro-cid-b4wkfatz]{background:#e1e5d4;border-block:1px solid #c1c9ae;grid-template-columns:minmax(0,1.6fr) minmax(360px,1fr);align-items:start;display:grid}.circuit-panel[data-astro-cid-b4wkfatz]{background:#eeefe5;border-left:1px solid #c1c9ae;min-width:0}.board[data-astro-cid-b4wkfatz]{background-color:#e1e5d4;background-image:radial-gradient(#a9b497 1px,#0000 1px);background-size:18px 18px;min-width:0;padding:16px 24px;position:sticky;top:20px}.board-status[data-astro-cid-b4wkfatz]{align-items:center;gap:8px;font:.75rem/1.5 monospace;display:flex}.status-dot[data-astro-cid-b4wkfatz]{background:#68755a;border-radius:50%;flex-shrink:0;width:8px;height:8px}[data-astro-cid-b4wkfatz][data-flowing=true] .status-dot[data-astro-cid-b4wkfatz]{background:#b94524;box-shadow:0 0 0 4px #b945241c}.diagram[data-astro-cid-b4wkfatz]{position:relative}svg[data-astro-cid-b4wkfatz]{width:100%;display:block;overflow:visible}.wire[data-astro-cid-b4wkfatz],.contact[data-astro-cid-b4wkfatz],.lever[data-astro-cid-b4wkfatz]{fill:none;stroke:#687959;stroke-width:var(--wire-width);stroke-linecap:round;stroke-linejoin:round}.flow[data-astro-cid-b4wkfatz]{fill:none;stroke:#b94524;stroke-width:4px;stroke-dasharray:3 23;stroke-linecap:round;opacity:0;animation:flow var(--flow-time) linear infinite;animation-play-state:paused}[data-astro-cid-b4wkfatz][data-flowing=true] .flow[data-astro-cid-b4wkfatz]{opacity:1}[data-astro-cid-b4wkfatz][data-flowing=true][data-paused=false][data-visible=true][data-document-visible=true] .flow[data-astro-cid-b4wkfatz]{animation-play-state:running}@keyframes flow{to{stroke-dashoffset:-26px}}.battery[data-astro-cid-b4wkfatz]{fill:none;stroke:#a64426;stroke-width:7px;stroke-linecap:round}.joint[data-astro-cid-b4wkfatz]{fill:#f8f4e9;stroke:#47553c;stroke-width:3px}.lever[data-astro-cid-b4wkfatz]{stroke:#a64426;stroke-width:7px}.component-title[data-astro-cid-b4wkfatz],.diagram-hint[data-astro-cid-b4wkfatz]{fill:#3f4d36;font:17px Arial,sans-serif}.component-value[data-astro-cid-b4wkfatz]{fill:#293322;font:700 23px monospace}.diagram-hint[data-astro-cid-b4wkfatz]{font-size:14px}.polarity[data-astro-cid-b4wkfatz]{fill:#a64426;font:700 23px monospace}.resistor-symbol[data-astro-cid-b4wkfatz] rect[data-astro-cid-b4wkfatz]{fill:#f1d8a5;stroke:#785c32;stroke-width:3px}.resistor-symbol[data-astro-cid-b4wkfatz] path[data-astro-cid-b4wkfatz]{fill:none;stroke:#a64426;stroke-width:7px}[data-astro-cid-b4wkfatz][data-resistor=false] .resistor-symbol[data-astro-cid-b4wkfatz]{display:none}.diagram-switch[data-astro-cid-b4wkfatz]{background:0 0;border:1px dashed #a6442670;border-radius:7px;width:16%;height:22%;min-height:44px;position:absolute;top:7%;left:39%}.diagram-switch[data-astro-cid-b4wkfatz]:hover{background:#b9452410}.board-actions[data-astro-cid-b4wkfatz]{border-block:1px solid #c1c9ae;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px 16px;padding:16px 24px;display:flex}button[data-astro-cid-b4wkfatz]{border-radius:4px;min-height:44px;font-size:.8125rem}.primary-button[data-astro-cid-b4wkfatz]{color:#fff9ed;background:#34452c;border:1px solid #34452c;padding:10px 16px}.primary-button[data-astro-cid-b4wkfatz]:hover{background:#465b3b}.primary-button[data-astro-cid-b4wkfatz]>span[data-astro-cid-b4wkfatz]:first-child{margin-right:8px}.quiet-button[data-astro-cid-b4wkfatz]{text-underline-offset:3px;background:0 0;border:0;padding:10px 4px;text-decoration:underline}button[data-astro-cid-b4wkfatz]:disabled{opacity:.6}.flow-caption[data-astro-cid-b4wkfatz]{color:#46543c;margin:12px 0 0;font-size:.75rem;line-height:1.6}.meters[data-astro-cid-b4wkfatz]{z-index:2;background:#faf8ef;border-bottom:1px solid #c9cebb;grid-template-columns:repeat(3,minmax(0,1fr));display:grid;position:sticky;top:0}.meter[data-astro-cid-b4wkfatz]{flex-direction:column;gap:8px;min-width:0;padding:18px 16px;display:flex}.meter[data-astro-cid-b4wkfatz]+.meter[data-astro-cid-b4wkfatz]{border-left:1px solid #d9dacb}.meter-name[data-astro-cid-b4wkfatz]{min-height:3em;font:.7rem/1.5 monospace}.meter[data-astro-cid-b4wkfatz] strong[data-astro-cid-b4wkfatz]{white-space:nowrap;letter-spacing:-.06em;font-variant-numeric:tabular-nums;font:600 clamp(1.1rem,2vw,1.7rem)/1.1 monospace}.unit[data-astro-cid-b4wkfatz]{letter-spacing:0;font-size:.6em;font-weight:400}.meter-note[data-astro-cid-b4wkfatz]{color:#60664f;font-size:.7rem}.meter-hint[data-astro-cid-b4wkfatz]{color:#963d20;font-weight:600}.bulb-meter[data-astro-cid-b4wkfatz]{background:#fbf3d4;border-top:1px solid #d9dacb;border-left:0;grid-column:1/-1;grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:center;gap:4px 20px;display:grid}.bulb-meter[data-astro-cid-b4wkfatz]>div[data-astro-cid-b4wkfatz]{flex-direction:column;gap:4px;min-width:0;display:flex}.bulb-meter[data-astro-cid-b4wkfatz] .meter-name[data-astro-cid-b4wkfatz]{min-height:0}.bulb-bar[data-astro-cid-b4wkfatz]{background:#efe6bd;border:1px solid #8a7a3e;border-radius:7px;height:14px;display:block;overflow:hidden}.bulb-bar[data-astro-cid-b4wkfatz]>span[data-astro-cid-b4wkfatz]{height:100%;width:var(--bulb-fill,0%);background:linear-gradient(90deg,#ffbf3c,#ffe27a);display:block}.bulb-state[data-astro-cid-b4wkfatz]{font-size:.75rem}.bulb-name[data-astro-cid-b4wkfatz]{font-weight:700}[data-astro-cid-b4wkfatz][data-topic=zarowka] .bulb-meter[data-astro-cid-b4wkfatz]{box-shadow:inset 0 0 0 3px #a64426}[data-astro-cid-b4wkfatz][data-topic=zarowka] .control[data-astro-cid-b4wkfatz]:has(#lab-voltage){outline-offset:7px;border-radius:3px;outline:2px solid #a64426}[data-astro-cid-b4wkfatz][data-topic=zarowka] .highlight-bulb[data-astro-cid-b4wkfatz]{display:block}.bulb-halo[data-astro-cid-b4wkfatz]{fill:url(#lab-bulb-glow);opacity:calc(var(--glow,0) * .95)}.bulb-glass[data-astro-cid-b4wkfatz]{fill:color-mix(in srgb, #ffd24a calc(var(--glow,0) * 100%), #f2efe0);stroke:#6d6a52;stroke-width:3px}.bulb-filament[data-astro-cid-b4wkfatz]{fill:none;stroke:color-mix(in srgb, #ff8a1f calc(var(--glow,0) * 100%), #7d745a);stroke-width:3.5px;stroke-linecap:round;stroke-linejoin:round}.current-meter[data-astro-cid-b4wkfatz]{color:#963d20;background:#f5e8d7}.controls[data-astro-cid-b4wkfatz]{grid-template-columns:minmax(0,1fr);gap:24px;padding:24px;display:grid}.control[data-astro-cid-b4wkfatz]{min-width:0}.control[data-astro-cid-b4wkfatz] input[data-astro-cid-b4wkfatz]{scroll-margin-top:180px}.control[data-astro-cid-b4wkfatz]>label[data-astro-cid-b4wkfatz]:first-child{justify-content:space-between;align-items:start;gap:12px;font-size:.875rem;font-weight:600;display:flex}output[data-astro-cid-b4wkfatz]{white-space:nowrap;color:#963d20;font-family:monospace}input[data-astro-cid-b4wkfatz][type=range]{accent-color:#a64426;cursor:pointer;width:100%;min-width:0;height:36px;margin:6px 0 0}input[data-astro-cid-b4wkfatz]:disabled{opacity:.4;cursor:default}.range-ends[data-astro-cid-b4wkfatz]{color:#60664f;justify-content:space-between;font:.7rem/1.5 monospace;display:flex}.control[data-astro-cid-b4wkfatz] p[data-astro-cid-b4wkfatz]{color:#555d49;margin:10px 0 0;font-size:.75rem;line-height:1.6}.resistor-control[data-astro-cid-b4wkfatz]{border-top:1px solid #c9cebb;grid-column:1/-1;padding-top:20px}.checkbox-label[data-astro-cid-b4wkfatz]{cursor:pointer;align-items:center;gap:10px;min-height:44px;margin-top:8px;font-size:.875rem;display:flex}.checkbox-label[data-astro-cid-b4wkfatz] input[data-astro-cid-b4wkfatz]{accent-color:#a64426;width:20px;height:20px;margin:0}.explanation[data-astro-cid-b4wkfatz]{background:#faf8ef;border-left:3px solid #b94524;margin:0 24px;padding:20px}.explanation[data-astro-cid-b4wkfatz] p[data-astro-cid-b4wkfatz]{margin:0 0 12px;font-size:.875rem;line-height:1.7}.explanation[data-astro-cid-b4wkfatz] .comparison[data-astro-cid-b4wkfatz]{color:#963d20;font:600 .875rem/1.5 monospace}.explanation[data-astro-cid-b4wkfatz] .formula[data-astro-cid-b4wkfatz]{overflow-wrap:anywhere;font:.8125rem/1.8 monospace}.explanation[data-astro-cid-b4wkfatz] .resistance-sum[data-astro-cid-b4wkfatz]{color:#60664f;margin-bottom:0;font-size:.75rem}.lab-bottom[data-astro-cid-b4wkfatz]{justify-content:space-between;align-items:center;gap:12px;padding:12px 24px;display:flex}.lab-bottom[data-astro-cid-b4wkfatz]>span[data-astro-cid-b4wkfatz]{color:#555d49;font-size:.75rem}.lab-bottom[data-astro-cid-b4wkfatz] button[data-astro-cid-b4wkfatz]{flex-shrink:0}.model-notes[data-astro-cid-b4wkfatz]{border-top:1px solid #c9cebb;padding:16px 24px;font-size:.8125rem}.model-notes[data-astro-cid-b4wkfatz] summary[data-astro-cid-b4wkfatz]{min-height:28px}.model-notes[data-astro-cid-b4wkfatz] p[data-astro-cid-b4wkfatz]{line-height:1.7}.no-script[data-astro-cid-b4wkfatz]{padding:0 24px}.sr-only[data-astro-cid-b4wkfatz]{clip-path:inset(50%);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@media (width<=900px){.circuit-layout[data-astro-cid-b4wkfatz]{grid-template-columns:minmax(0,1fr)}.board[data-astro-cid-b4wkfatz]{position:relative;top:auto}.stage[data-astro-cid-b4wkfatz]{display:contents}.bulb-meter[data-astro-cid-b4wkfatz]{grid-template-columns:minmax(0,1fr);padding-block:10px}.circuit-panel[data-astro-cid-b4wkfatz]{border-top:1px solid #c1c9ae;border-left:0}}@media (width<=520px){.lab-header[data-astro-cid-b4wkfatz]{padding:22px 16px}.topic-nav[data-astro-cid-b4wkfatz],.board-actions[data-astro-cid-b4wkfatz],.lesson-panel[data-astro-cid-b4wkfatz]{padding-inline:16px}h2[data-astro-cid-b4wkfatz]{font-size:1.7rem}.board[data-astro-cid-b4wkfatz]{padding:14px 10px}.board-status[data-astro-cid-b4wkfatz]{font-size:.65rem}.component-title[data-astro-cid-b4wkfatz]{font-size:26px}.component-value[data-astro-cid-b4wkfatz]{font-size:30px;transform:translateY(6px)}.diagram-hint[data-astro-cid-b4wkfatz]{display:none}.controls[data-astro-cid-b4wkfatz]{grid-template-columns:minmax(0,1fr);gap:20px;padding:20px 16px}.meter[data-astro-cid-b4wkfatz]{padding:16px 8px}.meter-name[data-astro-cid-b4wkfatz]{min-height:3em;font-size:.65rem}.meter[data-astro-cid-b4wkfatz] strong[data-astro-cid-b4wkfatz]{font-size:clamp(1.1rem,5.4vw,1.7rem)}.meter-note[data-astro-cid-b4wkfatz]{font-size:.65rem}.explanation[data-astro-cid-b4wkfatz]{margin-inline:16px;padding:16px}.lab-bottom[data-astro-cid-b4wkfatz]{flex-wrap:wrap;padding-inline:16px}.model-notes[data-astro-cid-b4wkfatz]{padding-inline:16px}}@media (prefers-reduced-motion:reduce){.flow[data-astro-cid-b4wkfatz]{animation:none}}.energy-lab[data-astro-cid-a33vfu2d]{background:#eeefe5;border:1px solid #bfc5af;border-radius:8px;margin-top:56px;scroll-margin-top:24px;font-size:1rem;line-height:1.5;position:relative;overflow:clip}.energy-lab[data-astro-cid-a33vfu2d] [data-astro-cid-a33vfu2d][hidden]{display:none!important}.topic-anchor[data-astro-cid-a33vfu2d]{scroll-margin-top:24px;position:absolute;top:0}.topic-nav[data-astro-cid-a33vfu2d]{flex-wrap:wrap;gap:8px;padding:20px 24px;display:flex}.topic-nav[data-astro-cid-a33vfu2d] a[data-astro-cid-a33vfu2d]{background:#faf8ef;border:1px solid #bac3a9;border-radius:4px;align-items:center;min-height:44px;padding:8px 12px;font-size:.8125rem;text-decoration:none;display:inline-flex}.topic-nav[data-astro-cid-a33vfu2d] a[data-astro-cid-a33vfu2d][aria-current=true]{color:#fff9ed;background:#34452c;border-color:#34452c}.lesson-panel[data-astro-cid-a33vfu2d]{background:#fff5e4;border-top:1px solid #d7b78e;border-left:4px solid #b94524;padding:20px 24px}.lesson-panel[data-astro-cid-a33vfu2d] h3[data-astro-cid-a33vfu2d]{margin:0 0 10px;font:600 1rem/1.4 Arial,sans-serif}.lesson-panel[data-astro-cid-a33vfu2d] p[data-astro-cid-a33vfu2d]{margin:0 0 12px;font-size:.875rem;line-height:1.6}.lesson-actions[data-astro-cid-a33vfu2d]{flex-wrap:wrap;align-items:center;gap:8px 20px;display:flex}.return-reading[data-astro-cid-a33vfu2d]{text-underline-offset:3px;color:#963d20;align-items:center;min-height:44px;font-size:.875rem;display:inline-flex}.reading-return-bottom[data-astro-cid-a33vfu2d]{padding:0 24px 20px}[data-astro-cid-a33vfu2d][data-topic=energia-moc] .power-meter[data-astro-cid-a33vfu2d],[data-astro-cid-a33vfu2d][data-topic=energia-prad] .current-meter[data-astro-cid-a33vfu2d],[data-astro-cid-a33vfu2d][data-topic=energia-kwh] .energy-meter[data-astro-cid-a33vfu2d],[data-astro-cid-a33vfu2d][data-topic=energia-koszt] .cost-meter[data-astro-cid-a33vfu2d]{box-shadow:inset 0 0 0 3px #a64426}[data-astro-cid-a33vfu2d][data-topic=energia-moc] .devices-column[data-astro-cid-a33vfu2d],[data-astro-cid-a33vfu2d][data-topic=energia-prad] .devices-column[data-astro-cid-a33vfu2d]{outline-offset:4px;border-radius:3px;outline:2px solid #a64426}[data-astro-cid-a33vfu2d][data-topic=energia-kwh] .time-actions[data-astro-cid-a33vfu2d],[data-astro-cid-a33vfu2d][data-topic=energia-koszt] .control[data-astro-cid-a33vfu2d]{outline-offset:7px;border-radius:3px;outline:2px solid #a64426}.lab-header[data-astro-cid-a33vfu2d]{padding:28px 28px 22px}.lab-eyebrow[data-astro-cid-a33vfu2d]{color:#5c6550;letter-spacing:.12em;margin:0 0 10px;font:.7rem/1.5 monospace}h2[data-astro-cid-a33vfu2d]{letter-spacing:-.03em;margin:0 0 12px;font:2rem/1.15 Georgia,serif}.lab-header[data-astro-cid-a33vfu2d]>p[data-astro-cid-a33vfu2d]:last-of-type{margin:0;font-size:.95rem}fieldset[data-astro-cid-a33vfu2d]{border:0;min-width:0;margin:0;padding:0}.mode-switch[data-astro-cid-a33vfu2d]{border-top:1px solid #c1c9ae;gap:8px;padding:16px 24px;display:flex}.mode-button[data-astro-cid-a33vfu2d]{background:#faf8ef;border:1px solid #bac3a9;border-radius:4px;min-height:44px;padding:8px 16px;font-size:.8125rem}.mode-button[data-astro-cid-a33vfu2d][aria-pressed=true]{color:#fff9ed;background:#34452c;border-color:#34452c}.mode-panel[data-astro-cid-a33vfu2d]{border-top:1px solid #c1c9ae}.meter-layout[data-astro-cid-a33vfu2d]{background:#e1e5d4;grid-template-columns:minmax(0,1fr) minmax(0,1.4fr);display:grid}.devices-column[data-astro-cid-a33vfu2d]{min-width:0;padding:20px 24px}.panel-title[data-astro-cid-a33vfu2d]{margin:0 0 12px;font:600 .9rem/1.4 Arial,sans-serif}.devices[data-astro-cid-a33vfu2d]{gap:8px;margin:0;padding:0;list-style:none;display:grid}.device[data-astro-cid-a33vfu2d] label[data-astro-cid-a33vfu2d]{cursor:pointer;background:#faf8ef;border:1px solid #bac3a9;border-radius:4px;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:10px;min-height:44px;padding:8px 12px;font-size:.875rem;display:grid}.device[data-astro-cid-a33vfu2d].is-on label[data-astro-cid-a33vfu2d]{background:#fff5e4;border-color:#a64426}.device[data-astro-cid-a33vfu2d] input[data-astro-cid-a33vfu2d]{accent-color:#a64426;width:20px;height:20px;margin:0}.device-power[data-astro-cid-a33vfu2d]{color:#963d20;white-space:nowrap;font:.8125rem monospace}.meter-column[data-astro-cid-a33vfu2d]{background:#eeefe5;border-left:1px solid #c1c9ae;min-width:0;position:relative}.zero-meter[data-astro-cid-a33vfu2d]{color:#963d20;background:#faf8ef;border:1px solid #a64426;min-height:40px;margin:0 8px 8px auto;padding:6px 12px;font:600 .75rem/1.2 monospace;display:block}.zero-meter[data-astro-cid-a33vfu2d]:hover{background:#fff5e4}[data-astro-cid-a33vfu2d][data-topic=energia-kwh] .zero-meter[data-astro-cid-a33vfu2d]{box-shadow:0 0 0 2px #a64426}.house-board[data-astro-cid-a33vfu2d]{background-color:#e1e5d4;background-image:radial-gradient(#a9b497 1px,#0000 1px);background-size:18px 18px;padding:10px 4px 6px}.house-board[data-astro-cid-a33vfu2d] svg{width:100%;height:auto;margin-inline:auto;display:block}.meters[data-astro-cid-a33vfu2d]{background:#faf8ef;grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.meter[data-astro-cid-a33vfu2d]{border-top:1px solid #d9dacb;flex-direction:column;gap:6px;min-width:0;padding:16px;display:flex}.meter[data-astro-cid-a33vfu2d]:nth-child(2n){border-left:1px solid #d9dacb}.meter-name[data-astro-cid-a33vfu2d]{font:.7rem/1.5 monospace}.meter[data-astro-cid-a33vfu2d] strong[data-astro-cid-a33vfu2d]{white-space:nowrap;letter-spacing:-.06em;font-variant-numeric:tabular-nums;font:600 clamp(1.1rem,2vw,1.6rem)/1.1 monospace}.unit[data-astro-cid-a33vfu2d]{letter-spacing:0;font-size:.6em;font-weight:400}.meter-note[data-astro-cid-a33vfu2d]{color:#60664f;font-size:.7rem}.energy-meter[data-astro-cid-a33vfu2d]{color:#963d20;background:#f5e8d7}.controls[data-astro-cid-a33vfu2d]{border-top:1px solid #c1c9ae;gap:20px;padding:20px 24px;display:grid}.time-actions[data-astro-cid-a33vfu2d]{flex-wrap:wrap;align-items:center;gap:8px 16px;display:flex}button[data-astro-cid-a33vfu2d]{border-radius:4px;min-height:44px;font-size:.8125rem}.primary-button[data-astro-cid-a33vfu2d]{color:#fff9ed;background:#34452c;border:1px solid #34452c;padding:10px 16px}.primary-button[data-astro-cid-a33vfu2d]:hover{background:#465b3b}.quiet-button[data-astro-cid-a33vfu2d]{text-underline-offset:3px;background:0 0;border:0;padding:10px 8px;text-decoration:underline}button[data-astro-cid-a33vfu2d]:disabled{opacity:.6}.control[data-astro-cid-a33vfu2d]{min-width:0}.control[data-astro-cid-a33vfu2d]>label[data-astro-cid-a33vfu2d]:first-child{justify-content:space-between;align-items:start;gap:12px;font-size:.875rem;font-weight:600;display:flex}output[data-astro-cid-a33vfu2d]{white-space:nowrap;color:#963d20;font-family:monospace}input[data-astro-cid-a33vfu2d][type=range]{accent-color:#a64426;cursor:pointer;width:100%;min-width:0;height:36px;margin:6px 0 0}.range-ends[data-astro-cid-a33vfu2d]{color:#60664f;justify-content:space-between;font:.7rem/1.5 monospace;display:flex}.explanation[data-astro-cid-a33vfu2d]{background:#faf8ef;border-left:3px solid #b94524;margin:0 24px;padding:20px}.explanation[data-astro-cid-a33vfu2d] p[data-astro-cid-a33vfu2d]{margin:0 0 12px;font-size:.875rem;line-height:1.7}.explanation[data-astro-cid-a33vfu2d] .formula[data-astro-cid-a33vfu2d]{overflow-wrap:anywhere;margin-bottom:0;font:.8125rem/1.8 monospace}.lab-bottom[data-astro-cid-a33vfu2d]{justify-content:space-between;align-items:center;gap:12px;padding:12px 24px;display:flex}.lab-bottom[data-astro-cid-a33vfu2d]>span[data-astro-cid-a33vfu2d]{color:#555d49;font-size:.75rem}.lab-bottom[data-astro-cid-a33vfu2d] button[data-astro-cid-a33vfu2d]{flex-shrink:0}.task-card[data-astro-cid-a33vfu2d]{justify-items:start;gap:16px;padding:24px;display:grid}.task-score[data-astro-cid-a33vfu2d]{color:#555d49;margin:0;font-size:.8125rem}.task-question[data-astro-cid-a33vfu2d]{margin:0;font:600 1.15rem/1.5 Georgia,serif}.task-answer[data-astro-cid-a33vfu2d]{flex-wrap:wrap;align-items:center;gap:8px 12px;display:flex}.task-answer[data-astro-cid-a33vfu2d] input[data-astro-cid-a33vfu2d]{background:#faf8ef;border:1px solid #8b947a;border-radius:4px;width:9em;min-height:44px;padding:8px 12px;font:1rem monospace}.task-unit[data-astro-cid-a33vfu2d]{color:#963d20;min-width:2.5em;font:1rem monospace}.task-feedback[data-astro-cid-a33vfu2d]{background:#faf8ef;border-left:4px solid #8b947a;max-width:60ch;padding:14px 18px}.task-feedback[data-astro-cid-a33vfu2d] p[data-astro-cid-a33vfu2d]{margin:0;font-size:.9rem;line-height:1.6}.task-feedback[data-astro-cid-a33vfu2d][data-status=correct]{border-left-color:#3f7d3a}.task-feedback[data-astro-cid-a33vfu2d][data-status=wrong],.task-feedback[data-astro-cid-a33vfu2d][data-status=invalid]{border-left-color:#b94524}.model-notes[data-astro-cid-a33vfu2d]{border-top:1px solid #c9cebb;padding:16px 24px;font-size:.8125rem}.model-notes[data-astro-cid-a33vfu2d] summary[data-astro-cid-a33vfu2d]{min-height:28px}.model-notes[data-astro-cid-a33vfu2d] p[data-astro-cid-a33vfu2d]{line-height:1.7}.no-script[data-astro-cid-a33vfu2d]{padding:0 24px}.sr-only[data-astro-cid-a33vfu2d]{clip-path:inset(50%);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@media (width<=760px){.meter-layout[data-astro-cid-a33vfu2d]{grid-template-columns:minmax(0,1fr)}.meter-column[data-astro-cid-a33vfu2d]{border-top:1px solid #c1c9ae;border-left:0}}@media (width<=520px){.lab-header[data-astro-cid-a33vfu2d]{padding:22px 16px}.topic-nav[data-astro-cid-a33vfu2d],.lesson-panel[data-astro-cid-a33vfu2d],.mode-switch[data-astro-cid-a33vfu2d],.controls[data-astro-cid-a33vfu2d],.task-card[data-astro-cid-a33vfu2d],.devices-column[data-astro-cid-a33vfu2d],.lab-bottom[data-astro-cid-a33vfu2d],.model-notes[data-astro-cid-a33vfu2d],.reading-return-bottom[data-astro-cid-a33vfu2d]{padding-inline:16px}.explanation[data-astro-cid-a33vfu2d]{margin-inline:16px;padding:16px}h2[data-astro-cid-a33vfu2d]{font-size:1.7rem}.meter[data-astro-cid-a33vfu2d]{padding:14px 10px}.meter[data-astro-cid-a33vfu2d] strong[data-astro-cid-a33vfu2d]{font-size:clamp(1rem,5vw,1.4rem)}.lab-bottom[data-astro-cid-a33vfu2d]{flex-wrap:wrap}}@container (width>=900px){.energy-lab[data-astro-cid-a33vfu2d] .meter-layout[data-astro-cid-a33vfu2d]{grid-template-columns:minmax(0,1fr) minmax(300px,340px)}.energy-lab[data-astro-cid-a33vfu2d] .meter-column[data-astro-cid-a33vfu2d] .house-board[data-astro-cid-a33vfu2d]{padding:6px 8px 4px}.energy-lab[data-astro-cid-a33vfu2d] .meter-column[data-astro-cid-a33vfu2d] .house-board[data-astro-cid-a33vfu2d] svg{max-height:46vh}.zero-meter[data-astro-cid-a33vfu2d]{margin:0;position:absolute;top:10px;right:12px}.meters[data-astro-cid-a33vfu2d]{grid-template-columns:repeat(4,minmax(0,1fr))}.meter[data-astro-cid-a33vfu2d]+.meter[data-astro-cid-a33vfu2d]{border-left:1px solid #d9dacb}.meter[data-astro-cid-a33vfu2d] strong[data-astro-cid-a33vfu2d]{font-size:clamp(1rem,1.5vw,1.35rem)}}.generator-lab[data-astro-cid-kl6lccg3]{--blue:#2b6cb0;background:#eeefe5;border:1px solid #bfc5af;border-radius:8px;margin-top:56px;scroll-margin-top:24px;font-size:1rem;line-height:1.5;position:relative;overflow:clip}.generator-lab[data-astro-cid-kl6lccg3] [data-astro-cid-kl6lccg3][hidden]{display:none!important}.topic-anchor[data-astro-cid-kl6lccg3]{scroll-margin-top:24px;position:absolute;top:0}.lab-header[data-astro-cid-kl6lccg3]{padding:28px 28px 22px}.lab-eyebrow[data-astro-cid-kl6lccg3]{color:#5c6550;letter-spacing:.12em;margin:0 0 10px;font:.7rem/1.5 monospace}h2[data-astro-cid-kl6lccg3]{letter-spacing:-.03em;margin:0 0 12px;font:2rem/1.15 Georgia,serif}.lab-header[data-astro-cid-kl6lccg3]>p[data-astro-cid-kl6lccg3]:last-of-type{margin:0;font-size:.95rem}fieldset[data-astro-cid-kl6lccg3]{border:0;min-width:0;margin:0;padding:0}legend[data-astro-cid-kl6lccg3]{padding:0}.topic-nav[data-astro-cid-kl6lccg3]{flex-wrap:wrap;gap:8px;padding:4px 24px 12px;display:flex}.topic-nav[data-astro-cid-kl6lccg3] a[data-astro-cid-kl6lccg3]{background:#faf8ef;border:1px solid #bac3a9;border-radius:4px;align-items:center;min-height:44px;padding:8px 12px;font-size:.8125rem;text-decoration:none;display:inline-flex}.topic-nav[data-astro-cid-kl6lccg3] a[data-astro-cid-kl6lccg3][aria-current=true]{color:#fff9ed;background:#34452c;border-color:#34452c}.lesson-panel[data-astro-cid-kl6lccg3]{border-block:1px solid #d7b78e;background:#fff5e4;border-left:4px solid #b94524;padding:20px 24px}.lesson-panel[data-astro-cid-kl6lccg3] h3[data-astro-cid-kl6lccg3]{margin:0 0 10px;font:600 1rem/1.4 Arial,sans-serif}.lesson-panel[data-astro-cid-kl6lccg3] p[data-astro-cid-kl6lccg3]{margin:0 0 12px;font-size:.875rem;line-height:1.6}.lesson-actions[data-astro-cid-kl6lccg3]{flex-wrap:wrap;align-items:center;gap:8px 20px;display:flex}.return-reading[data-astro-cid-kl6lccg3]{text-underline-offset:3px;color:#963d20;align-items:center;min-height:44px;font-size:.875rem;display:inline-flex}.reading-return-bottom[data-astro-cid-kl6lccg3]{padding:0 24px 20px}.part[data-astro-cid-kl6lccg3]{border-top:1px solid #c1c9ae}.part-title[data-astro-cid-kl6lccg3]{letter-spacing:.08em;text-transform:uppercase;color:#5c6550;margin:0;padding:18px 24px 0;font:600 .75rem/1.5 monospace}[data-astro-cid-kl6lccg3][data-topic] .part[data-astro-cid-kl6lccg3]{box-shadow:inset 4px 0 #a64426}.board[data-astro-cid-kl6lccg3]{background-color:#e1e5d4;background-image:radial-gradient(#a9b497 1px,#0000 1px);background-size:18px 18px;min-width:0;margin-top:12px;padding:12px 24px 16px}svg[data-astro-cid-kl6lccg3]{width:100%;display:block;overflow:visible}.axis[data-astro-cid-kl6lccg3],.axis-tick[data-astro-cid-kl6lccg3]{stroke:#47553c;stroke-width:1.5px}.level[data-astro-cid-kl6lccg3]{stroke:#9aa588;stroke-width:1px;stroke-dasharray:4 5}.tick[data-astro-cid-kl6lccg3],.small[data-astro-cid-kl6lccg3],.legend[data-astro-cid-kl6lccg3] text[data-astro-cid-kl6lccg3]{fill:#3f4d36;paint-order:stroke;stroke:#e1e5d4;stroke-width:4px;stroke-linejoin:round;font:11px Arial,sans-serif}.legend[data-astro-cid-kl6lccg3] text[data-astro-cid-kl6lccg3]{font-size:12px}.wave[data-astro-cid-kl6lccg3]{fill:none;stroke-width:3px;stroke-linejoin:round}.wave-2[data-astro-cid-kl6lccg3],.wave-1[data-astro-cid-kl6lccg3],.dot-1[data-astro-cid-kl6lccg3],.dot-2[data-astro-cid-kl6lccg3],.legend-3[data-astro-cid-kl6lccg3]{display:none}[data-astro-cid-kl6lccg3][data-coils="3"] .wave-2[data-astro-cid-kl6lccg3],[data-astro-cid-kl6lccg3][data-coils="3"] .wave-1[data-astro-cid-kl6lccg3],[data-astro-cid-kl6lccg3][data-coils="3"] .dot-1[data-astro-cid-kl6lccg3],[data-astro-cid-kl6lccg3][data-coils="3"] .dot-2[data-astro-cid-kl6lccg3],[data-astro-cid-kl6lccg3][data-coils="3"] .legend-3[data-astro-cid-kl6lccg3]{display:inline}[data-astro-cid-kl6lccg3][data-coils="1"] .extra[data-astro-cid-kl6lccg3]{display:none}.wave-1[data-astro-cid-kl6lccg3]{stroke-dasharray:10 4}.wave-2[data-astro-cid-kl6lccg3]{stroke-dasharray:2 5;stroke-linecap:round}.dot[data-astro-cid-kl6lccg3]{stroke:#fff9ed;stroke-width:2px}.simulate-button[data-astro-cid-kl6lccg3]{margin-top:10px}.cursor[data-astro-cid-kl6lccg3]{stroke:#a64426;stroke-width:1.5px;stroke-dasharray:3 3}.flow-caption[data-astro-cid-kl6lccg3]{color:#46543c;margin:12px 0 0;font-size:.75rem;line-height:1.6}.meters[data-astro-cid-kl6lccg3]{background:#faf8ef;border-block:1px solid #c9cebb;grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.meter[data-astro-cid-kl6lccg3]{flex-direction:column;gap:6px;min-width:0;padding:16px;display:flex}.meter[data-astro-cid-kl6lccg3]+.meter[data-astro-cid-kl6lccg3]{border-left:1px solid #d9dacb}.meter-name[data-astro-cid-kl6lccg3]{font:.7rem/1.5 monospace}.meter[data-astro-cid-kl6lccg3] strong[data-astro-cid-kl6lccg3]{font-variant-numeric:tabular-nums;overflow-wrap:anywhere;font:600 clamp(1.1rem,2.2vw,1.5rem)/1.2 monospace}.unit[data-astro-cid-kl6lccg3]{font-size:.6em;font-weight:400}.meter-note[data-astro-cid-kl6lccg3]{color:#60664f;font-size:.7rem}.touch-meter[data-astro-cid-kl6lccg3] strong[data-astro-cid-kl6lccg3]{color:#963d20}[data-astro-cid-kl6lccg3][data-severity=danger] .touch-meter[data-astro-cid-kl6lccg3]{background:#f6d6cc}[data-astro-cid-kl6lccg3][data-severity=safe] .touch-meter[data-astro-cid-kl6lccg3]{background:#dfe9d3}[data-astro-cid-kl6lccg3][data-severity=warn] .touch-meter[data-astro-cid-kl6lccg3]{background:#f5e8d7}.controls[data-astro-cid-kl6lccg3]{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;padding:24px;display:grid}.control[data-astro-cid-kl6lccg3]{min-width:0}.control[data-astro-cid-kl6lccg3] input[data-astro-cid-kl6lccg3][type=range]{scroll-margin-top:120px}.control[data-astro-cid-kl6lccg3]>label[data-astro-cid-kl6lccg3]:first-child,.control[data-astro-cid-kl6lccg3]>legend[data-astro-cid-kl6lccg3]{justify-content:space-between;align-items:start;gap:12px;font-size:.875rem;font-weight:600;display:flex}output[data-astro-cid-kl6lccg3]{white-space:nowrap;color:#963d20;font-family:monospace}input[data-astro-cid-kl6lccg3][type=range]{accent-color:#a64426;cursor:pointer;width:100%;min-width:0;height:36px;margin:6px 0 0}.range-ends[data-astro-cid-kl6lccg3]{color:#60664f;justify-content:space-between;font:.7rem/1.5 monospace;display:flex}.control[data-astro-cid-kl6lccg3] p[data-astro-cid-kl6lccg3]{color:#555d49;margin:10px 0 0;font-size:.75rem;line-height:1.6}.mode-control[data-astro-cid-kl6lccg3],.system-control[data-astro-cid-kl6lccg3]{grid-column:1/-1}.mode-control[data-astro-cid-kl6lccg3]{flex-wrap:wrap;align-items:center;gap:8px 16px;display:flex}.mode-control[data-astro-cid-kl6lccg3] legend[data-astro-cid-kl6lccg3]{width:100%;margin-bottom:8px;display:block}.choices[data-astro-cid-kl6lccg3]{flex-wrap:wrap;gap:8px;margin-top:8px;display:flex}.choice[data-astro-cid-kl6lccg3]{cursor:pointer;background:#faf8ef;border:1px solid #bac3a9;border-radius:4px;align-items:center;gap:8px;min-height:44px;padding:8px 14px;font-size:.875rem;display:inline-flex}.choice[data-astro-cid-kl6lccg3]:has(input:checked){color:#fff9ed;background:#34452c;border-color:#34452c}.choice[data-astro-cid-kl6lccg3]:has(input:focus-visible){outline-offset:2px;outline:2px solid #a64426}.choice[data-astro-cid-kl6lccg3] input[data-astro-cid-kl6lccg3]{accent-color:#a64426;width:18px;height:18px;margin:0}.facts[data-astro-cid-kl6lccg3]{grid-column:1/-1;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;display:grid}.facts[data-astro-cid-kl6lccg3] p[data-astro-cid-kl6lccg3]{margin:0;font-size:.875rem;line-height:1.5}.fact-name[data-astro-cid-kl6lccg3]{color:#5c6550;font:.7rem/1.5 monospace}.checkbox-label[data-astro-cid-kl6lccg3]{cursor:pointer;align-items:center;gap:10px;min-height:44px;margin-top:8px;font-size:.875rem;display:flex}.checkbox-label[data-astro-cid-kl6lccg3] input[data-astro-cid-kl6lccg3]{accent-color:#a64426;width:20px;height:20px;margin:0}button[data-astro-cid-kl6lccg3]{border-radius:4px;min-height:44px;font-size:.8125rem}.primary-button[data-astro-cid-kl6lccg3]{color:#fff9ed;background:#34452c;border:1px solid #34452c;padding:10px 16px}.primary-button[data-astro-cid-kl6lccg3]:hover{background:#465b3b}.primary-button[data-astro-cid-kl6lccg3][aria-pressed=true]{background:#a64426;border-color:#a64426}.primary-button[data-astro-cid-kl6lccg3]>span[data-astro-cid-kl6lccg3]:first-child{margin-right:8px}.quiet-button[data-astro-cid-kl6lccg3]{text-underline-offset:3px;background:0 0;border:0;padding:10px 4px;text-decoration:underline}button[data-astro-cid-kl6lccg3]:disabled,input[data-astro-cid-kl6lccg3]:disabled{opacity:.5}.explanation[data-astro-cid-kl6lccg3]{background:#faf8ef;border-left:3px solid #b94524;margin:20px 24px 0;padding:20px}.explanation[data-astro-cid-kl6lccg3] p[data-astro-cid-kl6lccg3]{margin:0;font-size:.875rem;line-height:1.7}.lab-bottom[data-astro-cid-kl6lccg3]{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding:12px 24px;display:flex}.lab-bottom[data-astro-cid-kl6lccg3]>span[data-astro-cid-kl6lccg3]{color:#555d49;font-size:.75rem}.bottom-actions[data-astro-cid-kl6lccg3]{flex-wrap:wrap;gap:12px;display:flex}.model-notes[data-astro-cid-kl6lccg3]{border-top:1px solid #c9cebb;padding:16px 24px;font-size:.8125rem}.model-notes[data-astro-cid-kl6lccg3] summary[data-astro-cid-kl6lccg3]{min-height:28px}.model-notes[data-astro-cid-kl6lccg3] p[data-astro-cid-kl6lccg3]{line-height:1.7}.no-script[data-astro-cid-kl6lccg3]{padding:0 24px}.sr-only[data-astro-cid-kl6lccg3]{clip-path:inset(50%);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.stator[data-astro-cid-kl6lccg3]{fill:#f4f1e4;stroke:#47553c;stroke-width:2px}.stator-inner[data-astro-cid-kl6lccg3]{fill:#faf8ef;stroke:#9aa588;stroke-width:1.5px;stroke-dasharray:4 4}.coil[data-astro-cid-kl6lccg3]{stroke:#faf8ef;stroke-width:2px}.coil-0[data-astro-cid-kl6lccg3]{fill:#7a4a21}.coil-1[data-astro-cid-kl6lccg3]{fill:#222}.coil-2[data-astro-cid-kl6lccg3]{fill:#8a8a8a}.coil-1[data-astro-cid-kl6lccg3],.coil-2[data-astro-cid-kl6lccg3],.coil-label-1[data-astro-cid-kl6lccg3],.coil-label-2[data-astro-cid-kl6lccg3],.glow-1[data-astro-cid-kl6lccg3],.glow-2[data-astro-cid-kl6lccg3]{display:none}[data-astro-cid-kl6lccg3][data-coils="3"] .coil-1[data-astro-cid-kl6lccg3],[data-astro-cid-kl6lccg3][data-coils="3"] .coil-2[data-astro-cid-kl6lccg3],[data-astro-cid-kl6lccg3][data-coils="3"] .coil-label-1[data-astro-cid-kl6lccg3],[data-astro-cid-kl6lccg3][data-coils="3"] .coil-label-2[data-astro-cid-kl6lccg3],[data-astro-cid-kl6lccg3][data-coils="3"] .glow-1[data-astro-cid-kl6lccg3],[data-astro-cid-kl6lccg3][data-coils="3"] .glow-2[data-astro-cid-kl6lccg3]{display:inline}.magnet-n[data-astro-cid-kl6lccg3]{fill:#c4291c}.magnet-s[data-astro-cid-kl6lccg3]{fill:#2b6cb0}.magnet-text[data-astro-cid-kl6lccg3]{fill:#fff9ed;font:700 16px Arial,sans-serif}.shaft[data-astro-cid-kl6lccg3]{fill:#47553c}.coil-label[data-astro-cid-kl6lccg3]{fill:#293322;font:700 12px monospace}.glow[data-astro-cid-kl6lccg3]{stroke:#fff9ed;stroke-width:2px;fill:#9aa588}.glow[data-astro-cid-kl6lccg3][data-sign=pos]{fill:#2e9d4f}.glow[data-astro-cid-kl6lccg3][data-sign=neg]{fill:#8a3fb0}.glow-sign[data-astro-cid-kl6lccg3]{fill:#fff9ed;pointer-events:none;font:700 13px Arial,sans-serif}.turn-label[data-astro-cid-kl6lccg3]{fill:#963d20;paint-order:stroke;stroke:#e1e5d4;stroke-width:4px;font:700 12px monospace}@media (width<=700px){.controls[data-astro-cid-kl6lccg3],.facts[data-astro-cid-kl6lccg3]{grid-template-columns:minmax(0,1fr)}}@media (width<=520px){.lab-header[data-astro-cid-kl6lccg3]{padding:22px 16px}.topic-nav[data-astro-cid-kl6lccg3],.lesson-panel[data-astro-cid-kl6lccg3],.part-title[data-astro-cid-kl6lccg3],.lab-bottom[data-astro-cid-kl6lccg3]{padding-inline:16px}h2[data-astro-cid-kl6lccg3]{font-size:1.7rem}.board[data-astro-cid-kl6lccg3]{padding:12px 8px 14px}.meters[data-astro-cid-kl6lccg3]{grid-template-columns:minmax(0,1fr)}.meter[data-astro-cid-kl6lccg3]+.meter[data-astro-cid-kl6lccg3]{border-top:1px solid #d9dacb;border-left:0}.controls[data-astro-cid-kl6lccg3]{gap:20px;padding:20px 16px}.explanation[data-astro-cid-kl6lccg3]{margin-inline:16px;padding:16px}.model-notes[data-astro-cid-kl6lccg3]{padding-inline:16px}.tick[data-astro-cid-kl6lccg3],.small[data-astro-cid-kl6lccg3],.legend[data-astro-cid-kl6lccg3] text[data-astro-cid-kl6lccg3]{font-size:20px}.wire-label[data-astro-cid-kl6lccg3]{font-size:22px}}.grid-lab[data-astro-cid-jgva6xtk]{--blue:#2b6cb0;background:#eeefe5;border:1px solid #bfc5af;border-radius:8px;margin-top:56px;scroll-margin-top:24px;font-size:1rem;line-height:1.5;position:relative;overflow:clip}.grid-lab[data-astro-cid-jgva6xtk] [data-astro-cid-jgva6xtk][hidden]{display:none!important}.topic-anchor[data-astro-cid-jgva6xtk]{scroll-margin-top:24px;position:absolute;top:0}.lab-header[data-astro-cid-jgva6xtk]{padding:28px 28px 22px}.lab-eyebrow[data-astro-cid-jgva6xtk]{color:#5c6550;letter-spacing:.12em;margin:0 0 10px;font:.7rem/1.5 monospace}h2[data-astro-cid-jgva6xtk]{letter-spacing:-.03em;margin:0 0 12px;font:2rem/1.15 Georgia,serif}.lab-header[data-astro-cid-jgva6xtk]>p[data-astro-cid-jgva6xtk]:last-of-type{margin:0;font-size:.95rem}fieldset[data-astro-cid-jgva6xtk]{border:0;min-width:0;margin:0;padding:0}legend[data-astro-cid-jgva6xtk]{padding:0}.topic-nav[data-astro-cid-jgva6xtk]{flex-wrap:wrap;gap:8px;padding:4px 24px 12px;display:flex}.topic-nav[data-astro-cid-jgva6xtk] a[data-astro-cid-jgva6xtk]{background:#faf8ef;border:1px solid #bac3a9;border-radius:4px;align-items:center;min-height:44px;padding:8px 12px;font-size:.8125rem;text-decoration:none;display:inline-flex}.topic-nav[data-astro-cid-jgva6xtk] a[data-astro-cid-jgva6xtk][aria-current=true]{color:#fff9ed;background:#34452c;border-color:#34452c}.lesson-panel[data-astro-cid-jgva6xtk]{border-block:1px solid #d7b78e;background:#fff5e4;border-left:4px solid #b94524;padding:20px 24px}.lesson-panel[data-astro-cid-jgva6xtk] h3[data-astro-cid-jgva6xtk]{margin:0 0 10px;font:600 1rem/1.4 Arial,sans-serif}.lesson-panel[data-astro-cid-jgva6xtk] p[data-astro-cid-jgva6xtk]{margin:0 0 12px;font-size:.875rem;line-height:1.6}.lesson-actions[data-astro-cid-jgva6xtk]{flex-wrap:wrap;align-items:center;gap:8px 20px;display:flex}.return-reading[data-astro-cid-jgva6xtk]{text-underline-offset:3px;color:#963d20;align-items:center;min-height:44px;font-size:.875rem;display:inline-flex}.reading-return-bottom[data-astro-cid-jgva6xtk]{padding:0 24px 20px}.part[data-astro-cid-jgva6xtk]{border-top:1px solid #c1c9ae}.part-title[data-astro-cid-jgva6xtk]{letter-spacing:.08em;text-transform:uppercase;color:#5c6550;margin:0;padding:18px 24px 0;font:600 .75rem/1.5 monospace}[data-astro-cid-jgva6xtk][data-topic] .part[data-astro-cid-jgva6xtk]{box-shadow:inset 4px 0 #a64426}.board[data-astro-cid-jgva6xtk]{background-color:#e1e5d4;background-image:radial-gradient(#a9b497 1px,#0000 1px);background-size:18px 18px;min-width:0;margin-top:12px;padding:12px 24px 16px}svg[data-astro-cid-jgva6xtk]{width:100%;display:block;overflow:visible}.axis[data-astro-cid-jgva6xtk],.axis-tick[data-astro-cid-jgva6xtk]{stroke:#47553c;stroke-width:1.5px}.level[data-astro-cid-jgva6xtk]{stroke:#9aa588;stroke-width:1px;stroke-dasharray:4 5}.level[data-astro-cid-jgva6xtk].rms{stroke:#a64426;stroke-dasharray:2 4}.tick[data-astro-cid-jgva6xtk],.small[data-astro-cid-jgva6xtk],.legend[data-astro-cid-jgva6xtk] text[data-astro-cid-jgva6xtk]{fill:#3f4d36;paint-order:stroke;stroke:#e1e5d4;stroke-width:4px;stroke-linejoin:round;font:11px Arial,sans-serif}.rms-label[data-astro-cid-jgva6xtk]{fill:#963d20}.legend[data-astro-cid-jgva6xtk] text[data-astro-cid-jgva6xtk]{font-size:12px}.wave[data-astro-cid-jgva6xtk]{fill:none;stroke-width:3px;stroke-linejoin:round}.wave-2[data-astro-cid-jgva6xtk],.wave-1[data-astro-cid-jgva6xtk],.dot-1[data-astro-cid-jgva6xtk],.dot-2[data-astro-cid-jgva6xtk],.legend-3[data-astro-cid-jgva6xtk]{display:none}[data-astro-cid-jgva6xtk][data-mode="3"] .wave-2[data-astro-cid-jgva6xtk],[data-astro-cid-jgva6xtk][data-mode="3"] .wave-1[data-astro-cid-jgva6xtk],[data-astro-cid-jgva6xtk][data-mode="3"] .dot-1[data-astro-cid-jgva6xtk],[data-astro-cid-jgva6xtk][data-mode="3"] .dot-2[data-astro-cid-jgva6xtk],[data-astro-cid-jgva6xtk][data-mode="3"] .legend-3[data-astro-cid-jgva6xtk]{display:inline}[data-astro-cid-jgva6xtk][data-mode="1"] .extra[data-astro-cid-jgva6xtk]{display:none}.wave-1[data-astro-cid-jgva6xtk]{stroke-dasharray:10 4}.wave-2[data-astro-cid-jgva6xtk]{stroke-dasharray:2 5;stroke-linecap:round}.dot[data-astro-cid-jgva6xtk]{stroke:#fff9ed;stroke-width:2px}.trail-pos[data-astro-cid-jgva6xtk]{fill:#e1701a;fill-opacity:.28;stroke:none}.trail-neg[data-astro-cid-jgva6xtk]{fill:#2b6cb0;fill-opacity:.28;stroke:none}.now-label[data-astro-cid-jgva6xtk]{fill:#963d20;paint-order:stroke;stroke:#e1e5d4;stroke-width:4px;font:700 12px monospace}.key-pos[data-astro-cid-jgva6xtk],.key-neg[data-astro-cid-jgva6xtk]{vertical-align:-1px;border-radius:2px;width:12px;height:12px;margin-inline:2px;display:inline-block}.key-pos[data-astro-cid-jgva6xtk]{opacity:.6;background:#e1701a}.key-neg[data-astro-cid-jgva6xtk]{opacity:.6;background:#2b6cb0}.simulate-button[data-astro-cid-jgva6xtk]{margin-top:10px}.cursor[data-astro-cid-jgva6xtk]{stroke:#a64426;stroke-width:1.5px;stroke-dasharray:3 3}.flow-caption[data-astro-cid-jgva6xtk]{color:#46543c;margin:12px 0 0;font-size:.75rem;line-height:1.6}.meters[data-astro-cid-jgva6xtk]{background:#faf8ef;border-block:1px solid #c9cebb;grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.meter[data-astro-cid-jgva6xtk]{flex-direction:column;gap:6px;min-width:0;padding:16px;display:flex}.meter[data-astro-cid-jgva6xtk]+.meter[data-astro-cid-jgva6xtk]{border-left:1px solid #d9dacb}.meter-name[data-astro-cid-jgva6xtk]{font:.7rem/1.5 monospace}.meter[data-astro-cid-jgva6xtk] strong[data-astro-cid-jgva6xtk]{font-variant-numeric:tabular-nums;overflow-wrap:anywhere;font:600 clamp(1.1rem,2.2vw,1.5rem)/1.2 monospace}.unit[data-astro-cid-jgva6xtk]{font-size:.6em;font-weight:400}.meter-note[data-astro-cid-jgva6xtk]{color:#60664f;font-size:.7rem}.touch-meter[data-astro-cid-jgva6xtk] strong[data-astro-cid-jgva6xtk]{color:#963d20}[data-astro-cid-jgva6xtk][data-severity=danger] .touch-meter[data-astro-cid-jgva6xtk]{background:#f6d6cc}[data-astro-cid-jgva6xtk][data-severity=safe] .touch-meter[data-astro-cid-jgva6xtk]{background:#dfe9d3}[data-astro-cid-jgva6xtk][data-severity=warn] .touch-meter[data-astro-cid-jgva6xtk]{background:#f5e8d7}.controls[data-astro-cid-jgva6xtk]{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;padding:24px;display:grid}.control[data-astro-cid-jgva6xtk]{min-width:0}.control[data-astro-cid-jgva6xtk] input[data-astro-cid-jgva6xtk][type=range]{scroll-margin-top:120px}.control[data-astro-cid-jgva6xtk]>label[data-astro-cid-jgva6xtk]:first-child,.control[data-astro-cid-jgva6xtk]>legend[data-astro-cid-jgva6xtk]{justify-content:space-between;align-items:start;gap:12px;font-size:.875rem;font-weight:600;display:flex}output[data-astro-cid-jgva6xtk]{white-space:nowrap;color:#963d20;font-family:monospace}input[data-astro-cid-jgva6xtk][type=range]{accent-color:#a64426;cursor:pointer;width:100%;min-width:0;height:36px;margin:6px 0 0}.range-ends[data-astro-cid-jgva6xtk]{color:#60664f;justify-content:space-between;font:.7rem/1.5 monospace;display:flex}.control[data-astro-cid-jgva6xtk] p[data-astro-cid-jgva6xtk]{color:#555d49;margin:10px 0 0;font-size:.75rem;line-height:1.6}.mode-control[data-astro-cid-jgva6xtk],.system-control[data-astro-cid-jgva6xtk]{grid-column:1/-1}.mode-control[data-astro-cid-jgva6xtk]{flex-wrap:wrap;align-items:center;gap:8px 16px;display:flex}.mode-control[data-astro-cid-jgva6xtk] legend[data-astro-cid-jgva6xtk]{width:100%;margin-bottom:8px;display:block}.choices[data-astro-cid-jgva6xtk]{flex-wrap:wrap;gap:8px;margin-top:8px;display:flex}.choice[data-astro-cid-jgva6xtk]{cursor:pointer;background:#faf8ef;border:1px solid #bac3a9;border-radius:4px;align-items:center;gap:8px;min-height:44px;padding:8px 14px;font-size:.875rem;display:inline-flex}.choice[data-astro-cid-jgva6xtk]:has(input:checked){color:#fff9ed;background:#34452c;border-color:#34452c}.choice[data-astro-cid-jgva6xtk]:has(input:focus-visible){outline-offset:2px;outline:2px solid #a64426}.choice[data-astro-cid-jgva6xtk] input[data-astro-cid-jgva6xtk]{accent-color:#a64426;width:18px;height:18px;margin:0}.facts[data-astro-cid-jgva6xtk]{grid-column:1/-1;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;display:grid}.facts[data-astro-cid-jgva6xtk] p[data-astro-cid-jgva6xtk]{margin:0;font-size:.875rem;line-height:1.5}.fact-name[data-astro-cid-jgva6xtk]{color:#5c6550;font:.7rem/1.5 monospace}.checkbox-label[data-astro-cid-jgva6xtk]{cursor:pointer;align-items:center;gap:10px;min-height:44px;margin-top:8px;font-size:.875rem;display:flex}.checkbox-label[data-astro-cid-jgva6xtk] input[data-astro-cid-jgva6xtk]{accent-color:#a64426;width:20px;height:20px;margin:0}button[data-astro-cid-jgva6xtk]{border-radius:4px;min-height:44px;font-size:.8125rem}.primary-button[data-astro-cid-jgva6xtk]{color:#fff9ed;background:#34452c;border:1px solid #34452c;padding:10px 16px}.primary-button[data-astro-cid-jgva6xtk]:hover{background:#465b3b}.primary-button[data-astro-cid-jgva6xtk][aria-pressed=true]{background:#a64426;border-color:#a64426}.primary-button[data-astro-cid-jgva6xtk]>span[data-astro-cid-jgva6xtk]:first-child{margin-right:8px}.quiet-button[data-astro-cid-jgva6xtk]{text-underline-offset:3px;background:0 0;border:0;padding:10px 4px;text-decoration:underline}button[data-astro-cid-jgva6xtk]:disabled,input[data-astro-cid-jgva6xtk]:disabled{opacity:.5}.explanation[data-astro-cid-jgva6xtk]{background:#faf8ef;border-left:3px solid #b94524;margin:20px 24px 0;padding:20px}.explanation[data-astro-cid-jgva6xtk] p[data-astro-cid-jgva6xtk]{margin:0;font-size:.875rem;line-height:1.7}.lab-bottom[data-astro-cid-jgva6xtk]{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding:12px 24px;display:flex}.lab-bottom[data-astro-cid-jgva6xtk]>span[data-astro-cid-jgva6xtk]{color:#555d49;font-size:.75rem}.bottom-actions[data-astro-cid-jgva6xtk]{flex-wrap:wrap;gap:12px;display:flex}.model-notes[data-astro-cid-jgva6xtk]{border-top:1px solid #c9cebb;padding:16px 24px;font-size:.8125rem}.model-notes[data-astro-cid-jgva6xtk] summary[data-astro-cid-jgva6xtk]{min-height:28px}.model-notes[data-astro-cid-jgva6xtk] p[data-astro-cid-jgva6xtk]{line-height:1.7}.no-script[data-astro-cid-jgva6xtk]{padding:0 24px}.sr-only[data-astro-cid-jgva6xtk]{clip-path:inset(50%);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@media (width<=700px){.controls[data-astro-cid-jgva6xtk],.facts[data-astro-cid-jgva6xtk]{grid-template-columns:minmax(0,1fr)}}@media (width<=520px){.lab-header[data-astro-cid-jgva6xtk]{padding:22px 16px}.topic-nav[data-astro-cid-jgva6xtk],.lesson-panel[data-astro-cid-jgva6xtk],.part-title[data-astro-cid-jgva6xtk],.lab-bottom[data-astro-cid-jgva6xtk]{padding-inline:16px}h2[data-astro-cid-jgva6xtk]{font-size:1.7rem}.board[data-astro-cid-jgva6xtk]{padding:12px 8px 14px}.meters[data-astro-cid-jgva6xtk]{grid-template-columns:minmax(0,1fr)}.meter[data-astro-cid-jgva6xtk]+.meter[data-astro-cid-jgva6xtk]{border-top:1px solid #d9dacb;border-left:0}.controls[data-astro-cid-jgva6xtk]{gap:20px;padding:20px 16px}.explanation[data-astro-cid-jgva6xtk]{margin-inline:16px;padding:16px}.model-notes[data-astro-cid-jgva6xtk]{padding-inline:16px}.tick[data-astro-cid-jgva6xtk],.small[data-astro-cid-jgva6xtk],.legend[data-astro-cid-jgva6xtk] text[data-astro-cid-jgva6xtk],.now-label[data-astro-cid-jgva6xtk]{font-size:20px}.wire-label[data-astro-cid-jgva6xtk]{font-size:22px}}.house-lab[data-astro-cid-bjpvwgmc]{--blue:#2b6cb0;background:#eeefe5;border:1px solid #bfc5af;border-radius:8px;margin-top:56px;scroll-margin-top:24px;font-size:1rem;line-height:1.5;position:relative;overflow:clip}.house-lab[data-astro-cid-bjpvwgmc] [data-astro-cid-bjpvwgmc][hidden]{display:none!important}.topic-anchor[data-astro-cid-bjpvwgmc]{scroll-margin-top:24px;position:absolute;top:0}.lab-header[data-astro-cid-bjpvwgmc]{padding:28px 28px 22px}.lab-eyebrow[data-astro-cid-bjpvwgmc]{color:#5c6550;letter-spacing:.12em;margin:0 0 10px;font:.7rem/1.5 monospace}h2[data-astro-cid-bjpvwgmc]{letter-spacing:-.03em;margin:0 0 12px;font:2rem/1.15 Georgia,serif}.lab-header[data-astro-cid-bjpvwgmc]>p[data-astro-cid-bjpvwgmc]:last-of-type{margin:0;font-size:.95rem}fieldset[data-astro-cid-bjpvwgmc]{border:0;min-width:0;margin:0;padding:0}legend[data-astro-cid-bjpvwgmc]{padding:0}.topic-nav[data-astro-cid-bjpvwgmc]{flex-wrap:wrap;gap:8px;padding:4px 24px 12px;display:flex}.topic-nav[data-astro-cid-bjpvwgmc] a[data-astro-cid-bjpvwgmc]{background:#faf8ef;border:1px solid #bac3a9;border-radius:4px;align-items:center;min-height:44px;padding:8px 12px;font-size:.8125rem;text-decoration:none;display:inline-flex}.topic-nav[data-astro-cid-bjpvwgmc] a[data-astro-cid-bjpvwgmc][aria-current=true]{color:#fff9ed;background:#34452c;border-color:#34452c}.lesson-panel[data-astro-cid-bjpvwgmc]{border-block:1px solid #d7b78e;background:#fff5e4;border-left:4px solid #b94524;padding:20px 24px}.lesson-panel[data-astro-cid-bjpvwgmc] h3[data-astro-cid-bjpvwgmc]{margin:0 0 10px;font:600 1rem/1.4 Arial,sans-serif}.lesson-panel[data-astro-cid-bjpvwgmc] p[data-astro-cid-bjpvwgmc]{margin:0 0 12px;font-size:.875rem;line-height:1.6}.lesson-actions[data-astro-cid-bjpvwgmc]{flex-wrap:wrap;align-items:center;gap:8px 20px;display:flex}.return-reading[data-astro-cid-bjpvwgmc]{text-underline-offset:3px;color:#963d20;align-items:center;min-height:44px;font-size:.875rem;display:inline-flex}.reading-return-bottom[data-astro-cid-bjpvwgmc]{padding:0 24px 20px}.part[data-astro-cid-bjpvwgmc]{border-top:1px solid #c1c9ae}.part-title[data-astro-cid-bjpvwgmc]{letter-spacing:.08em;text-transform:uppercase;color:#5c6550;margin:0;padding:18px 24px 0;font:600 .75rem/1.5 monospace}[data-astro-cid-bjpvwgmc][data-topic] .part[data-astro-cid-bjpvwgmc]{box-shadow:inset 4px 0 #a64426}.board[data-astro-cid-bjpvwgmc]{background-color:#e1e5d4;background-image:radial-gradient(#a9b497 1px,#0000 1px);background-size:18px 18px;min-width:0;margin-top:12px;padding:12px 24px 16px}svg[data-astro-cid-bjpvwgmc]{width:100%;display:block;overflow:visible}.small[data-astro-cid-bjpvwgmc]{fill:#3f4d36;paint-order:stroke;stroke:#e1e5d4;stroke-width:4px;stroke-linejoin:round;font:11px Arial,sans-serif}.meters[data-astro-cid-bjpvwgmc]{background:#faf8ef;border-block:1px solid #c9cebb;grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.meter[data-astro-cid-bjpvwgmc]{flex-direction:column;gap:6px;min-width:0;padding:16px;display:flex}.meter[data-astro-cid-bjpvwgmc]+.meter[data-astro-cid-bjpvwgmc]{border-left:1px solid #d9dacb}.meter-name[data-astro-cid-bjpvwgmc]{font:.7rem/1.5 monospace}.meter[data-astro-cid-bjpvwgmc] strong[data-astro-cid-bjpvwgmc]{font-variant-numeric:tabular-nums;overflow-wrap:anywhere;font:600 clamp(1.1rem,2.2vw,1.5rem)/1.2 monospace}.unit[data-astro-cid-bjpvwgmc]{font-size:.6em;font-weight:400}.meter-note[data-astro-cid-bjpvwgmc]{color:#60664f;font-size:.7rem}.touch-meter[data-astro-cid-bjpvwgmc] strong[data-astro-cid-bjpvwgmc]{color:#963d20}[data-astro-cid-bjpvwgmc][data-severity=danger] .touch-meter[data-astro-cid-bjpvwgmc]{background:#f6d6cc}[data-astro-cid-bjpvwgmc][data-severity=safe] .touch-meter[data-astro-cid-bjpvwgmc]{background:#dfe9d3}[data-astro-cid-bjpvwgmc][data-severity=warn] .touch-meter[data-astro-cid-bjpvwgmc]{background:#f5e8d7}.controls[data-astro-cid-bjpvwgmc]{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;padding:24px;display:grid}.control[data-astro-cid-bjpvwgmc]{min-width:0}.control[data-astro-cid-bjpvwgmc] input[data-astro-cid-bjpvwgmc][type=range]{scroll-margin-top:120px}.control[data-astro-cid-bjpvwgmc]>label[data-astro-cid-bjpvwgmc]:first-child,.control[data-astro-cid-bjpvwgmc]>legend[data-astro-cid-bjpvwgmc]{justify-content:space-between;align-items:start;gap:12px;font-size:.875rem;font-weight:600;display:flex}output[data-astro-cid-bjpvwgmc]{white-space:nowrap;color:#963d20;font-family:monospace}input[data-astro-cid-bjpvwgmc][type=range]{accent-color:#a64426;cursor:pointer;width:100%;min-width:0;height:36px;margin:6px 0 0}.range-ends[data-astro-cid-bjpvwgmc]{color:#60664f;justify-content:space-between;font:.7rem/1.5 monospace;display:flex}.control[data-astro-cid-bjpvwgmc] p[data-astro-cid-bjpvwgmc]{color:#555d49;margin:10px 0 0;font-size:.75rem;line-height:1.6}.mode-control[data-astro-cid-bjpvwgmc],.system-control[data-astro-cid-bjpvwgmc]{grid-column:1/-1}.mode-control[data-astro-cid-bjpvwgmc]{flex-wrap:wrap;align-items:center;gap:8px 16px;display:flex}.mode-control[data-astro-cid-bjpvwgmc] legend[data-astro-cid-bjpvwgmc]{width:100%;margin-bottom:8px;display:block}.choices[data-astro-cid-bjpvwgmc]{flex-wrap:wrap;gap:8px;margin-top:8px;display:flex}.choice[data-astro-cid-bjpvwgmc]{cursor:pointer;background:#faf8ef;border:1px solid #bac3a9;border-radius:4px;align-items:center;gap:8px;min-height:44px;padding:8px 14px;font-size:.875rem;display:inline-flex}.choice[data-astro-cid-bjpvwgmc]:has(input:checked){color:#fff9ed;background:#34452c;border-color:#34452c}.choice[data-astro-cid-bjpvwgmc]:has(input:focus-visible){outline-offset:2px;outline:2px solid #a64426}.choice[data-astro-cid-bjpvwgmc] input[data-astro-cid-bjpvwgmc]{accent-color:#a64426;width:18px;height:18px;margin:0}.facts[data-astro-cid-bjpvwgmc]{grid-column:1/-1;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;display:grid}.facts[data-astro-cid-bjpvwgmc] p[data-astro-cid-bjpvwgmc]{margin:0;font-size:.875rem;line-height:1.5}.fact-name[data-astro-cid-bjpvwgmc]{color:#5c6550;font:.7rem/1.5 monospace}.fault-bar[data-astro-cid-bjpvwgmc]{background:#faf8ef;border:1px solid #c9cebb;border-left:4px solid #34452c;gap:10px;margin:0 24px;padding:16px 20px;display:grid}[data-astro-cid-bjpvwgmc][data-fault=true] .fault-bar[data-astro-cid-bjpvwgmc]{background:#fbeee8;border-left-color:#c4291c}.fault-state[data-astro-cid-bjpvwgmc]{letter-spacing:.04em;text-transform:uppercase;color:#34452c;margin:0;font:600 .8125rem/1.4 monospace}[data-astro-cid-bjpvwgmc][data-fault=true] .fault-state[data-astro-cid-bjpvwgmc]{color:#c4291c}.fault-actions[data-astro-cid-bjpvwgmc]{flex-wrap:wrap;align-items:center;gap:8px 24px;display:flex}.fault-button[data-astro-cid-bjpvwgmc]{padding:12px 20px;font-size:.9375rem}.fault-note[data-astro-cid-bjpvwgmc]{color:#555d49;margin:0;font-size:.75rem;line-height:1.6}.checkbox-label[data-astro-cid-bjpvwgmc]{cursor:pointer;align-items:center;gap:10px;min-height:44px;margin-top:8px;font-size:.875rem;display:flex}.checkbox-label[data-astro-cid-bjpvwgmc] input[data-astro-cid-bjpvwgmc]{accent-color:#a64426;width:20px;height:20px;margin:0}button[data-astro-cid-bjpvwgmc]{border-radius:4px;min-height:44px;font-size:.8125rem}.primary-button[data-astro-cid-bjpvwgmc]{color:#fff9ed;background:#34452c;border:1px solid #34452c;padding:10px 16px}.primary-button[data-astro-cid-bjpvwgmc]:hover{background:#465b3b}.primary-button[data-astro-cid-bjpvwgmc][aria-pressed=true]{background:#a64426;border-color:#a64426}.primary-button[data-astro-cid-bjpvwgmc]>span[data-astro-cid-bjpvwgmc]:first-child{margin-right:8px}.quiet-button[data-astro-cid-bjpvwgmc]{text-underline-offset:3px;background:0 0;border:0;padding:10px 4px;text-decoration:underline}button[data-astro-cid-bjpvwgmc]:disabled,input[data-astro-cid-bjpvwgmc]:disabled{opacity:.5}.explanation[data-astro-cid-bjpvwgmc]{background:#faf8ef;border-left:3px solid #b94524;margin:20px 24px 0;padding:20px}.explanation[data-astro-cid-bjpvwgmc] p[data-astro-cid-bjpvwgmc]{margin:0;font-size:.875rem;line-height:1.7}.lab-bottom[data-astro-cid-bjpvwgmc]{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding:12px 24px;display:flex}.lab-bottom[data-astro-cid-bjpvwgmc]>span[data-astro-cid-bjpvwgmc]{color:#555d49;font-size:.75rem}.bottom-actions[data-astro-cid-bjpvwgmc]{flex-wrap:wrap;gap:12px;display:flex}.model-notes[data-astro-cid-bjpvwgmc]{border-top:1px solid #c9cebb;padding:16px 24px;font-size:.8125rem}.model-notes[data-astro-cid-bjpvwgmc] summary[data-astro-cid-bjpvwgmc]{min-height:28px}.model-notes[data-astro-cid-bjpvwgmc] p[data-astro-cid-bjpvwgmc]{line-height:1.7}.no-script[data-astro-cid-bjpvwgmc]{padding:0 24px}.sr-only[data-astro-cid-bjpvwgmc]{clip-path:inset(50%);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.house[data-astro-cid-bjpvwgmc]{fill:#f4f1e4;stroke:#a9b497;stroke-width:2px;stroke-dasharray:8 5}.transformer[data-astro-cid-bjpvwgmc],.board-box[data-astro-cid-bjpvwgmc]{fill:#faf8ef;stroke:#47553c;stroke-width:2px}.casing[data-astro-cid-bjpvwgmc]{fill:#faf8ef;stroke:#47553c;stroke-width:3px}[data-astro-cid-bjpvwgmc][data-severity=danger] .casing[data-astro-cid-bjpvwgmc]{fill:#f6c3b4;stroke:#a64426}[data-astro-cid-bjpvwgmc][data-severity=safe] .casing[data-astro-cid-bjpvwgmc]{fill:#dfe9d3}[data-astro-cid-bjpvwgmc][data-severity=warn] .casing[data-astro-cid-bjpvwgmc]{fill:#f5e8d7}.component-title[data-astro-cid-bjpvwgmc]{fill:#3f4d36;font:17px Arial,sans-serif}.wire[data-astro-cid-bjpvwgmc]{fill:none;stroke-width:5px;stroke-linecap:butt;stroke-linejoin:round}.l1[data-astro-cid-bjpvwgmc]{stroke:#7a4a21}.l2[data-astro-cid-bjpvwgmc]{stroke:#222}.l3[data-astro-cid-bjpvwgmc]{stroke:#8a8a8a}.n[data-astro-cid-bjpvwgmc]{stroke:var(--blue)}.dashed[data-astro-cid-bjpvwgmc]{stroke-dasharray:8 6}.pe[data-astro-cid-bjpvwgmc]{stroke:#5a8f29}.pe-stripe[data-astro-cid-bjpvwgmc]{stroke:#e3c829;stroke-dasharray:10 10}.star[data-astro-cid-bjpvwgmc]{stroke:#47553c}.joint[data-astro-cid-bjpvwgmc]{fill:#f8f4e9;stroke:#47553c;stroke-width:2px}.wire-label[data-astro-cid-bjpvwgmc]{fill:#293322;font:700 12px monospace}.earth[data-astro-cid-bjpvwgmc] path[data-astro-cid-bjpvwgmc]{fill:none;stroke:#47553c;stroke-width:3px;stroke-linecap:round}.warn-text[data-astro-cid-bjpvwgmc],.split-text[data-astro-cid-bjpvwgmc]{fill:#963d20;font-weight:700}.split[data-astro-cid-bjpvwgmc]{stroke:#a64426;stroke-width:5px;fill:none}[data-astro-cid-bjpvwgmc][data-fault=false] .fault-only[data-astro-cid-bjpvwgmc]{display:none}.bolt[data-astro-cid-bjpvwgmc]{fill:none;stroke:#c4291c;stroke-width:4px;stroke-linejoin:round}.fault-flow[data-astro-cid-bjpvwgmc]{fill:none;stroke:#e1701a;stroke-width:4px;stroke-dasharray:4 14;stroke-linecap:round;animation:.9s linear infinite fault-flow}.fault-flow[data-astro-cid-bjpvwgmc].weak{opacity:.35}.ground-route[data-astro-cid-bjpvwgmc]{stroke-dasharray:3 12}[data-astro-cid-bjpvwgmc][data-fault-path=ground] .wire-route[data-astro-cid-bjpvwgmc],[data-astro-cid-bjpvwgmc][data-fault-path=wire] .ground-route[data-astro-cid-bjpvwgmc]{display:none}@keyframes fault-flow{to{stroke-dashoffset:-18px}}[data-astro-cid-bjpvwgmc][data-paused=true] .fault-flow[data-astro-cid-bjpvwgmc]{animation-play-state:paused}.person[data-astro-cid-bjpvwgmc]{--cut:1s;--shakes:8}[data-astro-cid-bjpvwgmc][data-trip-kind=rcd] .person[data-astro-cid-bjpvwgmc]{--cut:.25s;--shakes:2}.person-body[data-astro-cid-bjpvwgmc] circle[data-astro-cid-bjpvwgmc],.person-body[data-astro-cid-bjpvwgmc] path[data-astro-cid-bjpvwgmc],.person-body[data-astro-cid-bjpvwgmc] ellipse[data-astro-cid-bjpvwgmc]{fill:none;stroke:#47553c;stroke-width:3.5px;stroke-linecap:round;stroke-linejoin:round}.person-body[data-astro-cid-bjpvwgmc] .head[data-astro-cid-bjpvwgmc]{fill:#faf8ef}.person-body[data-astro-cid-bjpvwgmc] .eye[data-astro-cid-bjpvwgmc]{fill:#47553c;stroke:none}.person-body[data-astro-cid-bjpvwgmc] .smile[data-astro-cid-bjpvwgmc]{stroke-width:1.8px}.person-body[data-astro-cid-bjpvwgmc] .hair[data-astro-cid-bjpvwgmc],.person-body[data-astro-cid-bjpvwgmc] .oh[data-astro-cid-bjpvwgmc]{display:none}.person-body[data-astro-cid-bjpvwgmc] .oh[data-astro-cid-bjpvwgmc]{stroke-width:1.8px;fill:#47553c}[data-astro-cid-bjpvwgmc][data-fault=true][data-tripped=false] .person-body[data-astro-cid-bjpvwgmc] .hair[data-astro-cid-bjpvwgmc],[data-astro-cid-bjpvwgmc][data-fault=true][data-tripped=false] .person-body[data-astro-cid-bjpvwgmc] .oh[data-astro-cid-bjpvwgmc]{display:block}[data-astro-cid-bjpvwgmc][data-fault=true][data-tripped=false] .person-body[data-astro-cid-bjpvwgmc] .smile[data-astro-cid-bjpvwgmc]{display:none}[data-astro-cid-bjpvwgmc][data-fault=true][data-tripped=false] .person-body[data-astro-cid-bjpvwgmc] .eye[data-astro-cid-bjpvwgmc]{r:2.6;fill:#faf8ef;stroke:#c4291c;stroke-width:1.6px}.person-note[data-astro-cid-bjpvwgmc]{fill:#3f4d36;font-weight:700}.shock-path[data-astro-cid-bjpvwgmc]{fill:none;stroke:#c4291c;stroke-width:4px;stroke-linejoin:round;display:none}[data-astro-cid-bjpvwgmc][data-fault=true][data-tripped=false] .shock-path[data-astro-cid-bjpvwgmc]{display:block}[data-astro-cid-bjpvwgmc][data-fault=true][data-tripped=false] .person-body[data-astro-cid-bjpvwgmc] circle[data-astro-cid-bjpvwgmc],[data-astro-cid-bjpvwgmc][data-fault=true][data-tripped=false] .person-body[data-astro-cid-bjpvwgmc] path[data-astro-cid-bjpvwgmc],[data-astro-cid-bjpvwgmc][data-fault=true][data-tripped=false] .person-body[data-astro-cid-bjpvwgmc] ellipse[data-astro-cid-bjpvwgmc]{stroke:#c4291c}[data-astro-cid-bjpvwgmc][data-fault=true][data-tripped=false] .person-note[data-astro-cid-bjpvwgmc]{fill:#c4291c}[data-astro-cid-bjpvwgmc][data-fault=true][data-tripped=true] .person-note[data-astro-cid-bjpvwgmc]{fill:#2f6a22}[data-astro-cid-bjpvwgmc][data-fault=true][data-tripped=true] .person-body[data-astro-cid-bjpvwgmc] circle[data-astro-cid-bjpvwgmc],[data-astro-cid-bjpvwgmc][data-fault=true][data-tripped=true] .person-body[data-astro-cid-bjpvwgmc] path[data-astro-cid-bjpvwgmc]{stroke:#2f6a22}[data-astro-cid-bjpvwgmc][data-fault=true][data-severity=warn] .shock-path[data-astro-cid-bjpvwgmc]{stroke:#e1701a}.person-body[data-astro-cid-bjpvwgmc]{transform-box:fill-box;transform-origin:50% 100%}.supply-lamp[data-astro-cid-bjpvwgmc]{fill:#5aa02c;stroke:#47553c;stroke-width:2px}.supply-text[data-astro-cid-bjpvwgmc]{fill:#2f6a22;font-weight:700}[data-astro-cid-bjpvwgmc][data-tripped=true] .supply-lamp[data-astro-cid-bjpvwgmc],[data-astro-cid-bjpvwgmc][data-tripped=true] .supply-text[data-astro-cid-bjpvwgmc]{fill:#c4291c}.rcd-badge[data-astro-cid-bjpvwgmc]{display:none}.rcd-badge[data-astro-cid-bjpvwgmc] rect[data-astro-cid-bjpvwgmc]{fill:#e8f0dc;stroke:#34452c;stroke-width:2px}.rcd-badge[data-astro-cid-bjpvwgmc] text[data-astro-cid-bjpvwgmc]{fill:#34452c;font:700 11px monospace}[data-astro-cid-bjpvwgmc][data-rcd=true] .rcd-badge[data-astro-cid-bjpvwgmc]{display:block}[data-astro-cid-bjpvwgmc][data-tripped=true] .fault-flow[data-astro-cid-bjpvwgmc],[data-astro-cid-bjpvwgmc][data-tripped=true] .bolt[data-astro-cid-bjpvwgmc]{opacity:0}.fault-run[data-astro-cid-bjpvwgmc][data-tripped=true] .fault-flow[data-astro-cid-bjpvwgmc],.fault-run[data-astro-cid-bjpvwgmc][data-tripped=true] .bolt[data-astro-cid-bjpvwgmc]{animation:fault-flow .9s linear infinite, fault-cut var(--cut-time,1s) steps(1, end) forwards}.fault-run[data-astro-cid-bjpvwgmc][data-trip-kind=rcd]{--cut-time:.25s}.fault-run[data-astro-cid-bjpvwgmc][data-tripped=false][data-fault=true] .person-body[data-astro-cid-bjpvwgmc],.fault-run[data-astro-cid-bjpvwgmc][data-tripped=true] .person-body[data-astro-cid-bjpvwgmc]{animation:shock .12s linear var(--shakes,10)}.fault-run[data-astro-cid-bjpvwgmc][data-trip-kind=rcd] .person-body[data-astro-cid-bjpvwgmc]{animation-iteration-count:2}.fault-run[data-astro-cid-bjpvwgmc][data-tripped=false][data-fault=true] .person-body[data-astro-cid-bjpvwgmc]{animation-iteration-count:infinite}.fault-run[data-astro-cid-bjpvwgmc][data-tripped=true] .shock-path[data-astro-cid-bjpvwgmc]{animation:fault-cut var(--cut-time,1s) steps(1, end) forwards;display:block}.fault-run[data-astro-cid-bjpvwgmc][data-tripped=true] .supply-lamp[data-astro-cid-bjpvwgmc]{animation:lamp-off var(--cut-time,1s) steps(1, end) backwards}@keyframes fault-cut{0%{opacity:1}to{opacity:0}}@keyframes lamp-off{0%{fill:#5aa02c}to{fill:#c4291c}}@keyframes shock{0%{transform:translate(-2px)rotate(-2deg)}50%{transform:translate(2px)rotate(2deg)}to{transform:translate(-2px)rotate(-2deg)}}[data-astro-cid-bjpvwgmc][data-paused=true] .person-body[data-astro-cid-bjpvwgmc]{animation-play-state:paused}[data-astro-cid-bjpvwgmc][data-system=tn-c] [data-astro-cid-bjpvwgmc][data-for]:not([data-for~=tn-c]),[data-astro-cid-bjpvwgmc][data-system=tn-s] [data-astro-cid-bjpvwgmc][data-for]:not([data-for~=tn-s]),[data-astro-cid-bjpvwgmc][data-system=tn-c-s] [data-astro-cid-bjpvwgmc][data-for]:not([data-for~=tn-c-s]),[data-astro-cid-bjpvwgmc][data-system=tt] [data-astro-cid-bjpvwgmc][data-for]:not([data-for~=tt]),[data-astro-cid-bjpvwgmc][data-system=it] [data-astro-cid-bjpvwgmc][data-for]:not([data-for~=it]){display:none}@container (width>=900px){.panel[data-astro-cid-bjpvwgmc] .fault-bar[data-astro-cid-bjpvwgmc]{margin:14px 18px 0;padding:12px 14px}.panel[data-astro-cid-bjpvwgmc] .facts[data-astro-cid-bjpvwgmc]{grid-template-columns:minmax(0,1fr);gap:8px}}@media (width<=700px){.controls[data-astro-cid-bjpvwgmc],.facts[data-astro-cid-bjpvwgmc]{grid-template-columns:minmax(0,1fr)}}@media (width<=520px){.lab-header[data-astro-cid-bjpvwgmc]{padding:22px 16px}.topic-nav[data-astro-cid-bjpvwgmc],.lesson-panel[data-astro-cid-bjpvwgmc],.part-title[data-astro-cid-bjpvwgmc],.lab-bottom[data-astro-cid-bjpvwgmc]{padding-inline:16px}.fault-bar[data-astro-cid-bjpvwgmc]{margin-inline:16px}h2[data-astro-cid-bjpvwgmc]{font-size:1.7rem}.board[data-astro-cid-bjpvwgmc]{padding:12px 8px 14px}.meters[data-astro-cid-bjpvwgmc]{grid-template-columns:minmax(0,1fr)}.meter[data-astro-cid-bjpvwgmc]+.meter[data-astro-cid-bjpvwgmc]{border-top:1px solid #d9dacb;border-left:0}.controls[data-astro-cid-bjpvwgmc]{gap:20px;padding:20px 16px}.explanation[data-astro-cid-bjpvwgmc]{margin-inline:16px;padding:16px}.model-notes[data-astro-cid-bjpvwgmc]{padding-inline:16px}.tick[data-astro-cid-bjpvwgmc],.small[data-astro-cid-bjpvwgmc],.legend[data-astro-cid-bjpvwgmc] text[data-astro-cid-bjpvwgmc],.now-label[data-astro-cid-bjpvwgmc]{font-size:20px}.wire-label[data-astro-cid-bjpvwgmc]{font-size:22px}}@media (prefers-reduced-motion:reduce){.fault-flow[data-astro-cid-bjpvwgmc],.person-body[data-astro-cid-bjpvwgmc],.shock-path[data-astro-cid-bjpvwgmc],.supply-lamp[data-astro-cid-bjpvwgmc]{animation:none!important}}.motor-lab[data-astro-cid-bpwbeqci]{background:#eeefe5;border:1px solid #bfc5af;border-radius:10px;margin:64px 0 0;scroll-margin-top:20px;font-size:1rem;line-height:1.65;position:relative;overflow:clip}.motor-section[data-astro-cid-bpwbeqci]>summary[data-astro-cid-bpwbeqci]{cursor:pointer;min-height:44px;font:600 .8125rem/1.5 var(--font-mono,monospace);letter-spacing:.08em;text-transform:uppercase;color:#293322;background:#faf8ef;border:1px solid #bac3a9;border-radius:4px;justify-content:space-between;align-items:center;gap:12px;margin:8px 16px;padding:6px 14px;list-style:none;display:flex}.motor-section[data-astro-cid-bpwbeqci][open]>summary[data-astro-cid-bpwbeqci]{color:#fff9ed;background:#34452c;border-color:#34452c}.motor-section[data-astro-cid-bpwbeqci]>summary[data-astro-cid-bpwbeqci]::-webkit-details-marker{display:none}.motor-section[data-astro-cid-bpwbeqci]>summary[data-astro-cid-bpwbeqci]:after{content:"▾";font-size:1.1rem;transition:transform .15s}.motor-section[data-astro-cid-bpwbeqci]:not([open])>summary[data-astro-cid-bpwbeqci]:after{transform:rotate(-90deg)}.motor-section[data-astro-cid-bpwbeqci]>summary[data-astro-cid-bpwbeqci]:focus-visible{outline-offset:-2px;outline:2px solid #a64426}[data-astro-cid-bpwbeqci][data-mode=generator] .section-parts[data-astro-cid-bpwbeqci]{display:none}.motor-layout[data-astro-cid-bpwbeqci]{background:#e1e5d8;border-block:1px solid #c7cebb;grid-template-columns:minmax(0,1.6fr) minmax(360px,1fr);align-items:start;display:grid}[data-astro-cid-bpwbeqci][hidden]{display:none!important}.machine-modes[data-astro-cid-bpwbeqci]{border-bottom:1px solid #c7cebb;gap:6px;padding:20px 22px;display:flex}.machine-modes[data-astro-cid-bpwbeqci] button[data-astro-cid-bpwbeqci]{flex:1;padding:10px;font-size:.8rem}.machine-modes[data-astro-cid-bpwbeqci] button[data-astro-cid-bpwbeqci][aria-pressed=true]{color:#fffbed;background:#34583b;border-color:#34583b}.generator-guide[data-astro-cid-bpwbeqci]{background:#f7f4e7;border-bottom:1px solid #c7cebb;padding:22px}.generator-guide[data-astro-cid-bpwbeqci] h3[data-astro-cid-bpwbeqci]{margin:18px 0;font:1.55rem/1.25 Georgia,serif}.generator-guide[data-astro-cid-bpwbeqci] p[data-astro-cid-bpwbeqci]{margin:12px 0;font-size:.9rem}.generator-guide[data-astro-cid-bpwbeqci] .eyebrow[data-astro-cid-bpwbeqci]{font:.7rem monospace}.guide-steps[data-astro-cid-bpwbeqci]{grid-template-columns:repeat(6,1fr);gap:5px;margin-top:15px;display:grid}.guide-steps[data-astro-cid-bpwbeqci] button[data-astro-cid-bpwbeqci]{padding:8px}.guide-steps[data-astro-cid-bpwbeqci] button[data-astro-cid-bpwbeqci][aria-pressed=true]{background:#dce5cc;border-color:#597448;box-shadow:inset 0 0 0 1px #597448}.guide-where[data-astro-cid-bpwbeqci]{color:#596549}.guide-observe[data-astro-cid-bpwbeqci]{background:#efead9;border-left:3px solid #b85e2e;padding:10px 14px}.guide-navigation[data-astro-cid-bpwbeqci]{gap:8px;margin:18px 0 10px;display:flex}.guide-navigation[data-astro-cid-bpwbeqci] button[data-astro-cid-bpwbeqci]{flex:1}.generator-guide[data-astro-cid-bpwbeqci] .guide-freeze[data-astro-cid-bpwbeqci]{color:#617053;font-size:.76rem}.generator-guide[data-astro-cid-bpwbeqci] a[data-astro-cid-bpwbeqci]{color:#34583b;font-size:.85rem}.generator-circuit[data-astro-cid-bpwbeqci]{background:#f0f1e4;border-top:1px solid #bfc9b1;padding:14px 20px}.generator-circuit[data-astro-cid-bpwbeqci] .eyebrow[data-astro-cid-bpwbeqci]{margin:0}.generator-circuit[data-astro-cid-bpwbeqci] svg[data-astro-cid-bpwbeqci]{width:100%;max-height:230px;display:block}.generator-circuit[data-astro-cid-bpwbeqci] svg[data-astro-cid-bpwbeqci] text[data-astro-cid-bpwbeqci]{fill:#3d5037;font:19px Arial,sans-serif}.generator-circuit[data-astro-cid-bpwbeqci] svg[data-astro-cid-bpwbeqci] .emf-label[data-astro-cid-bpwbeqci]{font-size:16px}.generator-circuit[data-astro-cid-bpwbeqci]>p[data-astro-cid-bpwbeqci]:last-child{margin:0;font-size:.8rem}.circuit-wire[data-astro-cid-bpwbeqci]{fill:none;stroke:#a2ad96;stroke-width:5px}.circuit-flow[data-astro-cid-bpwbeqci]{fill:none;stroke:#d07632;stroke-width:5px;stroke-dasharray:10 8;opacity:0}.generator-lamp[data-astro-cid-bpwbeqci]{fill:#e4e7d6;stroke:#7e876d;stroke-width:3px}.circuit-arrows[data-astro-cid-bpwbeqci]{opacity:0}[data-astro-cid-bpwbeqci][data-flowing=true] .circuit-flow[data-astro-cid-bpwbeqci],[data-astro-cid-bpwbeqci][data-flowing=true] .circuit-arrows[data-astro-cid-bpwbeqci]{opacity:1}[data-astro-cid-bpwbeqci][data-flowing=true] .generator-lamp[data-astro-cid-bpwbeqci]{fill:#ffd174}[data-astro-cid-bpwbeqci][data-flowing=true][data-running=true] .circuit-flow[data-astro-cid-bpwbeqci]{animation:1.2s linear infinite generator-flow}[data-astro-cid-bpwbeqci][data-mode=motor] .circuit-flow[data-astro-cid-bpwbeqci]{animation-direction:reverse}@keyframes generator-flow{to{stroke-dashoffset:-36px}}.motor-viewport[data-astro-cid-bpwbeqci]{height:clamp(260px,35vh,420px)}[data-astro-cid-bpwbeqci][data-mode=generator] .parts-area[data-astro-cid-bpwbeqci]{display:none}.sr-only[data-astro-cid-bpwbeqci]{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.topic-anchor[data-astro-cid-bpwbeqci]{scroll-margin-top:20px;position:absolute;top:0}.lab-header[data-astro-cid-bpwbeqci]{padding:30px 32px 24px}.eyebrow[data-astro-cid-bpwbeqci],.model-tag[data-astro-cid-bpwbeqci]{letter-spacing:.08em;color:#52634b;font:.69rem/1.6 monospace}h2[data-astro-cid-bpwbeqci]{letter-spacing:-.03em;margin:12px 0;font:2.3rem/1.1 Georgia,serif}.lab-header[data-astro-cid-bpwbeqci]>p[data-astro-cid-bpwbeqci]:not(.eyebrow){color:#53604e;max-width:55ch;margin:12px 0 16px}.model-tag[data-astro-cid-bpwbeqci]{letter-spacing:.05em;font-size:.63rem}.model-tag[data-astro-cid-bpwbeqci] span[data-astro-cid-bpwbeqci]{color:#aa5934;margin-inline:8px}.motor-stage[data-astro-cid-bpwbeqci]{background:#e1e5d8;align-self:start;min-width:0;position:sticky;top:20px}.stage-top[data-astro-cid-bpwbeqci]{color:#4b5c45;justify-content:space-between;gap:12px;padding:16px 22px 0;font:.7rem/1.5 monospace;display:flex}.stage-top[data-astro-cid-bpwbeqci]>span[data-astro-cid-bpwbeqci]:first-child{align-items:center;gap:8px;display:flex}.stage-top[data-astro-cid-bpwbeqci] i[data-astro-cid-bpwbeqci]{background:#89917d;border-radius:50%;flex-shrink:0;width:7px;height:7px}.quick-part[data-astro-cid-bpwbeqci]{color:#4b5c45;flex-wrap:wrap;align-items:center;gap:8px 14px;padding:14px 22px 0;font-size:.8rem;display:flex}.quick-part[data-astro-cid-bpwbeqci] select[data-astro-cid-bpwbeqci]{font:inherit;color:#34462e;background:#f6f6eb;border:1px solid #b5c1a7;border-radius:4px;max-width:100%;min-height:40px;padding:6px 10px}.quick-part[data-astro-cid-bpwbeqci] select[data-astro-cid-bpwbeqci]:focus-visible{outline-offset:3px;outline:3px solid #bc592a}.part-tour[data-astro-cid-bpwbeqci]{flex-wrap:wrap;align-items:center;gap:6px 10px;padding:10px 22px 0;display:flex}.part-tour[data-astro-cid-bpwbeqci] button[data-astro-cid-bpwbeqci]{padding:8px 10px;font-size:.73rem}.part-tour[data-astro-cid-bpwbeqci] label[data-astro-cid-bpwbeqci]{color:#42553a;align-items:center;gap:7px;min-height:44px;font-size:.75rem;display:flex}.part-tour[data-astro-cid-bpwbeqci] input[data-astro-cid-bpwbeqci]{width:17px;height:17px}[data-astro-cid-bpwbeqci][data-powered=true] .stage-top[data-astro-cid-bpwbeqci] i[data-astro-cid-bpwbeqci]{background:#bd5527;box-shadow:0 0 0 3px #bd55271a}.motor-viewport[data-astro-cid-bpwbeqci]{width:100%;height:clamp(260px,35vh,420px);position:relative}.motor-viewport[data-astro-cid-bpwbeqci] canvas{touch-action:pan-y;width:100%;height:100%;display:block}.static-motor[data-astro-cid-bpwbeqci]{align-content:center;display:grid;position:absolute;inset:0}.static-motor[data-astro-cid-bpwbeqci][hidden]{display:none}.static-motor[data-astro-cid-bpwbeqci] svg[data-astro-cid-bpwbeqci]{width:100%;height:auto}.static-motor[data-astro-cid-bpwbeqci] p[data-astro-cid-bpwbeqci]{text-align:center;color:#4f5a49;margin:0 20px;font-size:.85rem}.stage-hint[data-astro-cid-bpwbeqci]{text-align:center;color:#59634f;margin:0;padding:0 18px 18px;font-size:.78rem}.stage-caption[data-astro-cid-bpwbeqci]{color:#3d5236;background:#d7dec9;border-top:1px solid #c7cebb;margin:0;padding:12px 22px;font-size:.83rem}fieldset[data-astro-cid-bpwbeqci]{background:#eeefe5;border:0;border-left:1px solid #c7cebb;min-width:0;margin:0;padding:0}button[data-astro-cid-bpwbeqci]{font:inherit;color:#34432f;cursor:pointer;background:#f8f8f0;border:1px solid #bec5b1;border-radius:5px;min-height:44px;padding:10px 15px;font-size:.85rem;line-height:1.4}button[data-astro-cid-bpwbeqci]:hover:not(:disabled){background:#e5eadb;border-color:#798c70}button[data-astro-cid-bpwbeqci]:disabled{cursor:default;opacity:.5}button[data-astro-cid-bpwbeqci]:focus-visible,input[data-astro-cid-bpwbeqci]:focus-visible,a[data-astro-cid-bpwbeqci]:focus-visible,summary[data-astro-cid-bpwbeqci]:focus-visible,.motor-viewport[data-astro-cid-bpwbeqci] canvas:focus-visible{outline-offset:4px;outline:3px solid #bc592a}button[data-astro-cid-bpwbeqci].primary{color:#fffbed;background:#34583b;border-color:#34583b;font-weight:650}button[data-astro-cid-bpwbeqci].primary:hover:not(:disabled){background:#26462d}[data-astro-cid-bpwbeqci][data-powered=true] button[data-astro-cid-bpwbeqci].primary{background:#a64b26;border-color:#a64b26}.motor-toolbar[data-astro-cid-bpwbeqci]{grid-template-columns:minmax(0,1fr) auto;gap:10px;margin-top:14px;display:grid}.motor-toolbar[data-astro-cid-bpwbeqci]>button[data-astro-cid-bpwbeqci]{min-width:0}[data-astro-cid-bpwbeqci][data-motor-options]{justify-content:center;align-items:center;gap:8px;display:flex}[data-astro-cid-bpwbeqci][data-motor-options][aria-expanded=true]{background:#e5eadb;border-color:#798c70}[data-astro-cid-bpwbeqci][data-motor-options][aria-expanded=true] span[data-astro-cid-bpwbeqci]{transform:rotate(180deg)}.view-controls[data-astro-cid-bpwbeqci]{background:#eeefe5;border:1px solid #c7cebb;border-radius:5px;grid-column:1/-1;gap:3px;padding:10px 12px;display:grid}.view-controls[data-astro-cid-bpwbeqci] label[data-astro-cid-bpwbeqci]{cursor:pointer;align-items:center;gap:8px;min-height:44px;font-size:.82rem;display:flex}input[data-astro-cid-bpwbeqci]{accent-color:#476642}.view-controls[data-astro-cid-bpwbeqci] input[data-astro-cid-bpwbeqci]{width:18px;height:18px}.camera-controls[data-astro-cid-bpwbeqci]{justify-content:flex-end;gap:2px;padding:4px 14px 0;display:flex}.camera-controls[data-astro-cid-bpwbeqci] button[data-astro-cid-bpwbeqci]{color:#65715d;background:0 0;border-color:#0000;place-items:center;width:44px;height:44px;padding:0;display:grid}.camera-controls[data-astro-cid-bpwbeqci] button[data-astro-cid-bpwbeqci]:hover:not(:disabled){color:#34432f;background:#d6ddcb;border-color:#0000}.camera-controls[data-astro-cid-bpwbeqci] svg[data-astro-cid-bpwbeqci]{fill:none;stroke:currentColor;stroke-width:1.6px;stroke-linecap:round;stroke-linejoin:round;width:18px;height:18px}.angle-control[data-astro-cid-bpwbeqci]{border-block:1px solid #cbd0c1;padding:20px 28px}.angle-control[data-astro-cid-bpwbeqci] label[data-astro-cid-bpwbeqci]{justify-content:space-between;gap:10px;font-size:.88rem;font-weight:650;display:flex}.angle-control[data-astro-cid-bpwbeqci] output[data-astro-cid-bpwbeqci]{color:#ab4e28;font-family:monospace}.angle-control[data-astro-cid-bpwbeqci] input[data-astro-cid-bpwbeqci]{width:100%;min-height:28px;margin:12px 0;display:block}.angle-control[data-astro-cid-bpwbeqci] p[data-astro-cid-bpwbeqci]{color:#5a6553;margin:0;font-size:.77rem}.motor-readouts[data-astro-cid-bpwbeqci]{background:#cbd0c1;border-bottom:1px solid #cbd0c1;grid-template-columns:1fr;gap:1px;display:grid}.motor-readouts[data-astro-cid-bpwbeqci]>div[data-astro-cid-bpwbeqci]{background:#f5f5ec;justify-content:space-between;align-items:baseline;gap:12px;padding:12px 22px;display:flex}.motor-readouts[data-astro-cid-bpwbeqci] span[data-astro-cid-bpwbeqci]{letter-spacing:.03em;color:#66725c;max-width:45%;font:.61rem/1.5 monospace;display:block}.motor-readouts[data-astro-cid-bpwbeqci] strong[data-astro-cid-bpwbeqci]{color:#344832;text-align:right;font-size:.87rem;line-height:1.5;display:block}.phase-note[data-astro-cid-bpwbeqci]{color:#47583e;background:#e6eadc;min-height:5em;margin:0;padding:18px 28px;font-size:.85rem}.parts-area[data-astro-cid-bpwbeqci]{border-bottom:1px solid #cbd0c1;padding:22px}.parts-heading[data-astro-cid-bpwbeqci]{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:10px;margin-bottom:15px;display:flex}.parts-heading[data-astro-cid-bpwbeqci] h3[data-astro-cid-bpwbeqci]{margin:0;font:1.5rem Georgia,serif}.parts-heading[data-astro-cid-bpwbeqci]>span[data-astro-cid-bpwbeqci]{letter-spacing:.03em;color:#68745d;font:.6rem/1.5 monospace}.parts-grid[data-astro-cid-bpwbeqci]{grid-template-columns:repeat(2,1fr);gap:7px;display:grid}.parts-grid[data-astro-cid-bpwbeqci] button[data-astro-cid-bpwbeqci]{text-align:left;padding:10px;font-size:.77rem}.parts-grid[data-astro-cid-bpwbeqci] button[data-astro-cid-bpwbeqci] span[data-astro-cid-bpwbeqci]{color:#7b856e;margin-right:7px;font:.65rem monospace;display:inline-block}.parts-grid[data-astro-cid-bpwbeqci] button[data-astro-cid-bpwbeqci][aria-pressed=true]{background:#dce5cc;border-color:#5d784c;box-shadow:inset 0 0 0 1px #5d784c}.part-card[data-astro-cid-bpwbeqci]{background:#f8f7ec;border-left:3px solid #ad592f;margin-top:18px;padding:20px 22px}.part-card[data-astro-cid-bpwbeqci] .eyebrow[data-astro-cid-bpwbeqci]{color:#a5512b;margin:0 0 7px}.part-card[data-astro-cid-bpwbeqci] h3[data-astro-cid-bpwbeqci]{margin:0 0 12px;font:1.45rem/1.2 Georgia,serif}.part-card[data-astro-cid-bpwbeqci] p[data-astro-cid-bpwbeqci]{margin:10px 0;font-size:.9rem}.part-card[data-astro-cid-bpwbeqci] .try-task[data-astro-cid-bpwbeqci]{color:#55614b;font-size:.85rem}.part-card[data-astro-cid-bpwbeqci] a[data-astro-cid-bpwbeqci]{color:#34583b;text-underline-offset:4px;margin-top:12px;font-weight:650;display:inline-block}.part-card[data-astro-cid-bpwbeqci] a[data-astro-cid-bpwbeqci][hidden]{display:none}.model-notes[data-astro-cid-bpwbeqci]{color:#58634f;border-top:1px solid #cbd0c1;margin:0 28px;padding:18px 0;font-size:.83rem}.model-notes[data-astro-cid-bpwbeqci] summary[data-astro-cid-bpwbeqci]{cursor:pointer;color:#364730;min-height:30px}.model-notes[data-astro-cid-bpwbeqci] p[data-astro-cid-bpwbeqci]{margin:12px 0}.model-notes[data-astro-cid-bpwbeqci] dt[data-astro-cid-bpwbeqci]{margin-top:12px;font-weight:700}.model-notes[data-astro-cid-bpwbeqci] dd[data-astro-cid-bpwbeqci]{margin:3px 0 0}.notice[data-astro-cid-bpwbeqci]{margin:20px 28px}@media (width<=900px){.motor-layout[data-astro-cid-bpwbeqci]{grid-template-columns:minmax(0,1fr)}.motor-stage[data-astro-cid-bpwbeqci]{position:relative;top:auto}fieldset[data-astro-cid-bpwbeqci]{border-top:1px solid #c7cebb;border-left:0}.motor-viewport[data-astro-cid-bpwbeqci]{height:420px}}@media (width<=600px){.lab-header[data-astro-cid-bpwbeqci]{padding:24px 18px}h2[data-astro-cid-bpwbeqci]{font-size:2rem}.motor-viewport[data-astro-cid-bpwbeqci]{height:310px}.stage-top[data-astro-cid-bpwbeqci]{padding-inline:15px;font-size:.62rem}.camera-controls[data-astro-cid-bpwbeqci]{padding-inline:8px}.angle-control[data-astro-cid-bpwbeqci]{padding-inline:16px}.motor-readouts[data-astro-cid-bpwbeqci]{grid-template-columns:1fr}.motor-readouts[data-astro-cid-bpwbeqci]>div[data-astro-cid-bpwbeqci]{justify-content:space-between;align-items:baseline;gap:12px;padding:12px 16px;display:flex}.motor-readouts[data-astro-cid-bpwbeqci] strong[data-astro-cid-bpwbeqci]{text-align:right;margin:0}.motor-readouts[data-astro-cid-bpwbeqci] span[data-astro-cid-bpwbeqci]{max-width:45%}.phase-note[data-astro-cid-bpwbeqci]{padding:16px}.parts-area[data-astro-cid-bpwbeqci]{padding:24px 16px}.parts-grid[data-astro-cid-bpwbeqci]{grid-template-columns:repeat(2,1fr)}.part-card[data-astro-cid-bpwbeqci]{padding:18px 16px}.model-notes[data-astro-cid-bpwbeqci]{margin-inline:16px}.stage-hint[data-astro-cid-bpwbeqci]{font-size:.72rem}.model-tag[data-astro-cid-bpwbeqci]{font-size:.58rem}}@container (width>=900px){.motor-layout[data-astro-cid-bpwbeqci]{grid-template-columns:minmax(0,1fr) minmax(0,1.1fr)}.motor-stage[data-astro-cid-bpwbeqci]{position:static}.motor-viewport[data-astro-cid-bpwbeqci]{height:min(32vh,330px)}section[data-astro-cid-bpwbeqci].one-screen .lab-header[data-astro-cid-bpwbeqci]{padding:10px 24px}.lab-header[data-astro-cid-bpwbeqci]>.eyebrow[data-astro-cid-bpwbeqci],.generator-guide[data-astro-cid-bpwbeqci] .guide-freeze[data-astro-cid-bpwbeqci]{display:none}.generator-guide[data-astro-cid-bpwbeqci] p[data-astro-cid-bpwbeqci]{margin-block:6px}.guide-navigation[data-astro-cid-bpwbeqci]{margin-block:8px}.lab-header[data-astro-cid-bpwbeqci] .model-tag[data-astro-cid-bpwbeqci]{margin:0}.stage-hint[data-astro-cid-bpwbeqci]{margin:0;padding-block:4px}.generator-circuit[data-astro-cid-bpwbeqci]{padding-block:10px}.generator-circuit[data-astro-cid-bpwbeqci] svg[data-astro-cid-bpwbeqci]{max-height:24vh}.generator-guide[data-astro-cid-bpwbeqci] .guide-steps[data-astro-cid-bpwbeqci]{margin-block:8px}.motor-section[data-astro-cid-bpwbeqci]>summary[data-astro-cid-bpwbeqci]{min-height:38px;padding-block:4px}.generator-guide[data-astro-cid-bpwbeqci]{padding:12px 20px}.generator-guide[data-astro-cid-bpwbeqci] h3[data-astro-cid-bpwbeqci]{margin:8px 0;font-size:1.2rem}.generator-guide[data-astro-cid-bpwbeqci] .guide-freeze[data-astro-cid-bpwbeqci],.generator-guide[data-astro-cid-bpwbeqci] .guide-where[data-astro-cid-bpwbeqci]{margin-block:4px}.parts-area[data-astro-cid-bpwbeqci],.angle-control[data-astro-cid-bpwbeqci]{padding:14px 20px}.motor-readouts[data-astro-cid-bpwbeqci]>div[data-astro-cid-bpwbeqci]{padding:8px 20px}}.rotating-field-lab[data-astro-cid-aowj7ak2]{--blue:#2b6cb0;background:#eeefe5;border:1px solid #bfc5af;border-radius:8px;margin-top:56px;scroll-margin-top:24px;font-size:1rem;line-height:1.5;position:relative;overflow:clip}.rotating-field-lab[data-astro-cid-aowj7ak2] [data-astro-cid-aowj7ak2][hidden]{display:none!important}.topic-anchor[data-astro-cid-aowj7ak2]{scroll-margin-top:24px;position:absolute;top:0}.lab-header[data-astro-cid-aowj7ak2]{padding:28px 28px 22px}.lab-eyebrow[data-astro-cid-aowj7ak2]{color:#5c6550;letter-spacing:.12em;margin:0 0 10px;font:.7rem/1.5 monospace}h2[data-astro-cid-aowj7ak2]{letter-spacing:-.03em;margin:0 0 12px;font:2rem/1.15 Georgia,serif}.lab-header[data-astro-cid-aowj7ak2]>p[data-astro-cid-aowj7ak2]:last-of-type{margin:0;font-size:.95rem}fieldset[data-astro-cid-aowj7ak2]{border:0;min-width:0;margin:0;padding:0}legend[data-astro-cid-aowj7ak2]{padding:0}.topic-nav[data-astro-cid-aowj7ak2]{flex-wrap:wrap;gap:8px;padding:20px 24px;display:flex}.topic-nav[data-astro-cid-aowj7ak2] a[data-astro-cid-aowj7ak2]{background:#faf8ef;border:1px solid #bac3a9;border-radius:4px;align-items:center;min-height:44px;padding:8px 12px;font-size:.8125rem;text-decoration:none;display:inline-flex}.topic-nav[data-astro-cid-aowj7ak2] a[data-astro-cid-aowj7ak2][aria-current=true]{color:#fff9ed;background:#34452c;border-color:#34452c}.lesson-panel[data-astro-cid-aowj7ak2]{border-block:1px solid #d7b78e;background:#fff5e4;border-left:4px solid #b94524;padding:20px 24px}.lesson-panel[data-astro-cid-aowj7ak2] h3[data-astro-cid-aowj7ak2]{margin:0 0 10px;font:600 1rem/1.4 Arial,sans-serif}.lesson-panel[data-astro-cid-aowj7ak2] p[data-astro-cid-aowj7ak2]{margin:0 0 12px;font-size:.875rem;line-height:1.6}.lesson-actions[data-astro-cid-aowj7ak2]{flex-wrap:wrap;align-items:center;gap:8px 20px;display:flex}.return-reading[data-astro-cid-aowj7ak2]{text-underline-offset:3px;color:#963d20;align-items:center;min-height:44px;font-size:.875rem;display:inline-flex}.reading-return-bottom[data-astro-cid-aowj7ak2]{padding:0 24px 20px}.boards[data-astro-cid-aowj7ak2]{border-top:1px solid #c1c9ae;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:0;display:grid}.board[data-astro-cid-aowj7ak2]{background-color:#e1e5d4;background-image:radial-gradient(#a9b497 1px,#0000 1px);background-size:18px 18px;min-width:0;padding:16px 24px}.graph-board[data-astro-cid-aowj7ak2]{border-left:1px solid #c1c9ae}svg[data-astro-cid-aowj7ak2]{width:100%;display:block;overflow:visible}.iron[data-astro-cid-aowj7ak2]{fill:#cfd5c0;stroke:#47553c;stroke-width:2px}.hole[data-astro-cid-aowj7ak2]{fill:#f4f1e4;stroke:#47553c;stroke-width:2px}.axis-line[data-astro-cid-aowj7ak2]{stroke:#9aa588;stroke-width:1.5px;stroke-dasharray:4 5}.guide[data-astro-cid-aowj7ak2]{fill:none;stroke:var(--blue);stroke-width:1.5px;stroke-dasharray:3 5;opacity:.6}.coil[data-astro-cid-aowj7ak2]{stroke-width:2px}.winding[data-astro-cid-aowj7ak2]{stroke-width:2px;opacity:.7}.coil-letter[data-astro-cid-aowj7ak2]{fill:#293322;font:700 20px Arial,sans-serif}.needle-n[data-astro-cid-aowj7ak2]{fill:#c4291c;stroke:#47553c;stroke-width:1.5px;stroke-linejoin:round}.needle-s[data-astro-cid-aowj7ak2]{fill:#faf8ef;stroke:#47553c;stroke-width:1.5px;stroke-linejoin:round}.hub[data-astro-cid-aowj7ak2]{fill:#faf8ef;stroke:#47553c;stroke-width:2px}.part-arrow[data-astro-cid-aowj7ak2]{stroke-width:3px;stroke-linecap:butt}.sum-arrow[data-astro-cid-aowj7ak2]{stroke:var(--blue);stroke-width:6px;stroke-linecap:butt}[data-astro-cid-aowj7ak2][data-view=coils] .field-only[data-astro-cid-aowj7ak2],[data-astro-cid-aowj7ak2][data-view=coils] [data-astro-cid-aowj7ak2][data-needle],[data-astro-cid-aowj7ak2][data-view=coils] .guide[data-astro-cid-aowj7ak2]{display:none}.axis[data-astro-cid-aowj7ak2],.axis-tick[data-astro-cid-aowj7ak2]{stroke:#47553c;stroke-width:1.5px}.level[data-astro-cid-aowj7ak2]{stroke:#9aa588;stroke-width:1px;stroke-dasharray:4 5}.tick[data-astro-cid-aowj7ak2],.legend[data-astro-cid-aowj7ak2]{fill:#3f4d36;paint-order:stroke;stroke:#e1e5d4;stroke-width:4px;stroke-linejoin:round;font:12px Arial,sans-serif}.legend[data-astro-cid-aowj7ak2]{font-size:13px}.curve[data-astro-cid-aowj7ak2]{fill:none;stroke-width:3px;stroke-linejoin:round}.curve-1[data-astro-cid-aowj7ak2]{stroke-dasharray:10 4}.curve-2[data-astro-cid-aowj7ak2]{stroke-dasharray:2 5;stroke-linecap:round}.dot[data-astro-cid-aowj7ak2]{stroke:#fff9ed;stroke-width:2px}.cursor[data-astro-cid-aowj7ak2]{stroke:#a64426;stroke-width:1.5px;stroke-dasharray:3 3}.flow-caption[data-astro-cid-aowj7ak2]{color:#46543c;margin:12px 0 0;font-size:.75rem;line-height:1.6}.meters[data-astro-cid-aowj7ak2]{background:#faf8ef;border-block:1px solid #c9cebb;grid-template-columns:repeat(4,minmax(0,1fr));display:grid}.meter[data-astro-cid-aowj7ak2]{flex-direction:column;gap:6px;min-width:0;padding:16px;display:flex}.meter[data-astro-cid-aowj7ak2]+.meter[data-astro-cid-aowj7ak2]{border-left:1px solid #d9dacb}.meter-name[data-astro-cid-aowj7ak2]{font:.7rem/1.5 monospace}.swatch[data-astro-cid-aowj7ak2]{border:1px solid #fff9ed;border-radius:50%;width:10px;height:10px;margin-right:6px;display:inline-block}.meter[data-astro-cid-aowj7ak2] strong[data-astro-cid-aowj7ak2]{font-variant-numeric:tabular-nums;overflow-wrap:anywhere;font:600 clamp(1.1rem,2.2vw,1.5rem)/1.2 monospace}.meter-note[data-astro-cid-aowj7ak2]{color:#60664f;font-size:.7rem}.field-meter[data-astro-cid-aowj7ak2] strong[data-astro-cid-aowj7ak2]{color:var(--blue)}.controls[data-astro-cid-aowj7ak2]{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;padding:24px;display:grid}.control[data-astro-cid-aowj7ak2]{min-width:0}.control[data-astro-cid-aowj7ak2]>label[data-astro-cid-aowj7ak2]:first-child,.control[data-astro-cid-aowj7ak2]>legend[data-astro-cid-aowj7ak2]{justify-content:space-between;align-items:start;gap:12px;font-size:.875rem;font-weight:600;display:flex}output[data-astro-cid-aowj7ak2]{white-space:nowrap;color:#963d20;font-family:monospace}input[data-astro-cid-aowj7ak2][type=range]{accent-color:#a64426;cursor:pointer;width:100%;min-width:0;height:36px;margin:6px 0 0;scroll-margin-top:120px}.range-ends[data-astro-cid-aowj7ak2]{color:#60664f;justify-content:space-between;font:.7rem/1.5 monospace;display:flex}.control[data-astro-cid-aowj7ak2] p[data-astro-cid-aowj7ak2]{color:#555d49;margin:10px 0 0;font-size:.75rem;line-height:1.6}.moments[data-astro-cid-aowj7ak2],.swap-control[data-astro-cid-aowj7ak2]{grid-column:1/-1}.moments[data-astro-cid-aowj7ak2] legend[data-astro-cid-aowj7ak2]{margin-bottom:10px;display:block}.moment-grid[data-astro-cid-aowj7ak2]{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;display:grid}.moment-button[data-astro-cid-aowj7ak2]{text-align:left;min-height:44px;font:inherit;cursor:pointer;color:inherit;background:#faf8ef;border:1px solid #bac3a9;border-radius:4px;flex-direction:column;align-items:flex-start;gap:2px;padding:10px 12px;font-size:.8125rem;display:flex}.moment-button[data-astro-cid-aowj7ak2] span[data-astro-cid-aowj7ak2]{color:#555d49;font-size:.75rem;line-height:1.4}.moment-button[data-astro-cid-aowj7ak2][aria-pressed=true]{color:#fff9ed;background:#34452c;border-color:#34452c}.moment-button[data-astro-cid-aowj7ak2][aria-pressed=true] span[data-astro-cid-aowj7ak2]{color:#e8e4d2}.facts[data-astro-cid-aowj7ak2]{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:14px;display:grid}.facts[data-astro-cid-aowj7ak2] p[data-astro-cid-aowj7ak2]{color:inherit;margin:0;font-size:.875rem;line-height:1.5}.fact-name[data-astro-cid-aowj7ak2]{color:#5c6550;font:.7rem/1.5 monospace}button[data-astro-cid-aowj7ak2]{cursor:pointer;border-radius:4px;min-height:44px;font-size:.8125rem}.primary-button[data-astro-cid-aowj7ak2]{color:#fff9ed;background:#34452c;border:1px solid #34452c;padding:10px 16px}.primary-button[data-astro-cid-aowj7ak2]:hover{background:#465b3b}.primary-button[data-astro-cid-aowj7ak2][aria-pressed=true]{background:#a64426;border-color:#a64426}[data-astro-cid-aowj7ak2][data-action=play][aria-pressed=true]{background:#34452c;border-color:#34452c}.primary-button[data-astro-cid-aowj7ak2]>span[data-astro-cid-aowj7ak2]:first-child{margin-right:4px}.quiet-button[data-astro-cid-aowj7ak2]{text-underline-offset:3px;background:0 0;border:0;padding:10px 4px;text-decoration:underline}button[data-astro-cid-aowj7ak2]:focus-visible,input[data-astro-cid-aowj7ak2]:focus-visible{outline-offset:2px;outline:2px solid #a64426}button[data-astro-cid-aowj7ak2]:disabled,input[data-astro-cid-aowj7ak2]:disabled{opacity:.5;cursor:default}.lab-bottom[data-astro-cid-aowj7ak2]{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding:12px 24px;display:flex}.lab-bottom[data-astro-cid-aowj7ak2]>span[data-astro-cid-aowj7ak2]{color:#555d49;font-size:.75rem}.bottom-actions[data-astro-cid-aowj7ak2]{flex-wrap:wrap;gap:12px;display:flex}.model-notes[data-astro-cid-aowj7ak2]{border-top:1px solid #c9cebb;padding:16px 24px;font-size:.8125rem}.model-notes[data-astro-cid-aowj7ak2] summary[data-astro-cid-aowj7ak2]{min-height:28px}.model-notes[data-astro-cid-aowj7ak2] p[data-astro-cid-aowj7ak2]{line-height:1.7}.no-script[data-astro-cid-aowj7ak2]{padding:0 24px}.sr-only[data-astro-cid-aowj7ak2]{clip-path:inset(50%);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}[data-astro-cid-aowj7ak2][data-topic=cewki] .stator-board[data-astro-cid-aowj7ak2],[data-astro-cid-aowj7ak2][data-topic=wirowanie] .stator-board[data-astro-cid-aowj7ak2],[data-astro-cid-aowj7ak2][data-topic=zamiana-faz] .stator-board[data-astro-cid-aowj7ak2]{box-shadow:inset 4px 0 #a64426}[data-astro-cid-aowj7ak2][data-topic=chwile] .moment-grid[data-astro-cid-aowj7ak2]{outline-offset:4px;outline:2px solid #a64426}[data-astro-cid-aowj7ak2][data-topic=cewki] .graph-board[data-astro-cid-aowj7ak2]{box-shadow:inset 4px 0 #a64426}[data-astro-cid-aowj7ak2][data-topic=zamiana-faz] .swap-control[data-astro-cid-aowj7ak2]{padding-left:12px;box-shadow:-12px 0 0 -8px #a64426}@media (width<=760px){.boards[data-astro-cid-aowj7ak2]{grid-template-columns:minmax(0,1fr)}.graph-board[data-astro-cid-aowj7ak2]{border-top:1px solid #c1c9ae;border-left:0}.meters[data-astro-cid-aowj7ak2]{grid-template-columns:repeat(2,minmax(0,1fr))}.meter[data-astro-cid-aowj7ak2]:nth-child(3){border-left:0}.meter[data-astro-cid-aowj7ak2]:nth-child(n+3){border-top:1px solid #d9dacb}.controls[data-astro-cid-aowj7ak2]{grid-template-columns:minmax(0,1fr)}.moment-grid[data-astro-cid-aowj7ak2]{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=520px){.lab-header[data-astro-cid-aowj7ak2]{padding:22px 16px}.topic-nav[data-astro-cid-aowj7ak2],.lesson-panel[data-astro-cid-aowj7ak2],.lab-bottom[data-astro-cid-aowj7ak2]{padding-inline:16px}h2[data-astro-cid-aowj7ak2]{font-size:1.7rem}.board[data-astro-cid-aowj7ak2]{padding:12px 8px 14px}.controls[data-astro-cid-aowj7ak2]{gap:20px;padding:20px 16px}.model-notes[data-astro-cid-aowj7ak2]{padding-inline:16px}.moment-grid[data-astro-cid-aowj7ak2],.facts[data-astro-cid-aowj7ak2]{grid-template-columns:minmax(0,1fr)}.meter[data-astro-cid-aowj7ak2]{padding:12px}.tick[data-astro-cid-aowj7ak2],.legend[data-astro-cid-aowj7ak2]{font-size:14px}}.induction-lab .pole{fill:none;stroke-width:18px;stroke-linecap:butt}.induction-lab .pole-n{stroke:#c4291c}.induction-lab .pole-s{stroke:#2b6cb0}.induction-lab .pole-letter{fill:#fff;pointer-events:none;font:700 15px Arial,sans-serif}@media (width<=520px){.induction-lab .pole-letter{font-size:20px}}.induction-lab[data-astro-cid-ze7xrsho]{--current:1;--glow:#e1701a;background:var(--card,#eeefe5);border:1px solid #bfc5af;border-radius:8px;margin-top:56px;scroll-margin-top:24px;font-size:1rem;line-height:1.5;position:relative;overflow:clip}.induction-lab[data-astro-cid-ze7xrsho] [data-astro-cid-ze7xrsho][hidden]{display:none!important}.topic-anchor[data-astro-cid-ze7xrsho]{scroll-margin-top:24px;position:absolute;top:0}.lab-header[data-astro-cid-ze7xrsho]{padding:28px 28px 22px}.lab-eyebrow[data-astro-cid-ze7xrsho]{color:#5c6550;font:.7rem/1.5 var(--font-mono,monospace);letter-spacing:.12em;margin:0 0 10px}h2[data-astro-cid-ze7xrsho]{font:2rem/1.15 var(--font-head,Georgia, serif);letter-spacing:-.03em;margin:0 0 12px}.lab-header[data-astro-cid-ze7xrsho]>p[data-astro-cid-ze7xrsho]:last-of-type{margin:0;font-size:.95rem}fieldset[data-astro-cid-ze7xrsho]{border:0;min-width:0;margin:0;padding:0}legend[data-astro-cid-ze7xrsho]{padding:0}.topic-nav[data-astro-cid-ze7xrsho]{flex-wrap:wrap;gap:8px;padding:20px 24px;display:flex}.topic-nav[data-astro-cid-ze7xrsho] a[data-astro-cid-ze7xrsho]{background:#faf8ef;border:1px solid #bac3a9;border-radius:4px;align-items:center;min-height:44px;padding:8px 12px;font-size:.8125rem;text-decoration:none;display:inline-flex}.topic-nav[data-astro-cid-ze7xrsho] a[data-astro-cid-ze7xrsho][aria-current=true]{color:#fff9ed;background:#34452c;border-color:#34452c}.lesson-panel[data-astro-cid-ze7xrsho]{border-block:1px solid #d7b78e;border-left:4px solid var(--accent,#b94524);background:#fff5e4;padding:20px 24px}.lesson-panel[data-astro-cid-ze7xrsho] h3[data-astro-cid-ze7xrsho]{margin:0 0 10px;font:600 1rem/1.4 Arial,sans-serif}.lesson-panel[data-astro-cid-ze7xrsho] p[data-astro-cid-ze7xrsho]{margin:0 0 12px;font-size:.875rem;line-height:1.6}.lesson-actions[data-astro-cid-ze7xrsho]{flex-wrap:wrap;align-items:center;gap:8px 20px;display:flex}.return-reading[data-astro-cid-ze7xrsho]{text-underline-offset:3px;color:#963d20;align-items:center;min-height:44px;font-size:.875rem;display:inline-flex}.reading-return-bottom[data-astro-cid-ze7xrsho]{padding:0 24px 20px}.part[data-astro-cid-ze7xrsho]{border-top:1px solid #c1c9ae}.part-title[data-astro-cid-ze7xrsho]{font:600 .75rem/1.5 var(--font-mono,monospace);letter-spacing:.08em;text-transform:uppercase;color:#5c6550;margin:0;padding:18px 24px 0}[data-astro-cid-ze7xrsho][data-part=section] .section-part[data-astro-cid-ze7xrsho],[data-astro-cid-ze7xrsho][data-part=cage] .cage-part[data-astro-cid-ze7xrsho]{box-shadow:inset 4px 0 #a64426}.board[data-astro-cid-ze7xrsho]{background-color:#e1e5d4;background-image:radial-gradient(#a9b497 1px,#0000 1px);background-size:18px 18px;min-width:0;margin-top:12px;padding:12px 24px 16px}.board[data-astro-cid-ze7xrsho]:focus{outline:none}.board[data-astro-cid-ze7xrsho]:focus-visible{outline:3px solid var(--accent,#b94524);outline-offset:-3px}.section-part[data-astro-cid-ze7xrsho] svg[data-astro-cid-ze7xrsho]{max-width:460px;margin-inline:auto}svg[data-astro-cid-ze7xrsho]{width:100%;display:block;overflow:visible}.small[data-astro-cid-ze7xrsho]{fill:#3f4d36;paint-order:stroke;stroke:#e1e5d4;stroke-width:4px;stroke-linejoin:round;font:11px Arial,sans-serif}.stator[data-astro-cid-ze7xrsho]{fill:#d3d8c1;stroke:#47553c;stroke-width:3px}.bore[data-astro-cid-ze7xrsho]{fill:#f4f1e4;stroke:#47553c;stroke-width:1.5px}.stator-text[data-astro-cid-ze7xrsho]{font-size:12px}.direction[data-astro-cid-ze7xrsho]{fill:none;stroke:#a64426;stroke-width:3px;stroke-linecap:round}.direction-head[data-astro-cid-ze7xrsho]{fill:none;stroke:#a64426;stroke-width:3px;stroke-linecap:round;stroke-linejoin:round}.leader[data-astro-cid-ze7xrsho]{fill:none;stroke:#47553c;stroke-width:1.5px}.control[data-astro-cid-ze7xrsho]>.checkbox-label[data-astro-cid-ze7xrsho]:first-child{justify-content:flex-start}.rotor[data-astro-cid-ze7xrsho]{fill:#faf8ef;stroke:#47553c;stroke-width:3px}.rotor-mark[data-astro-cid-ze7xrsho]{fill:#e3c829;stroke:#47553c;stroke-width:1.5px}.bar[data-astro-cid-ze7xrsho]{fill:color-mix(in srgb, var(--glow) calc(var(--current) * 100%), #8c9180);stroke:#47553c;stroke-width:2px}.bar-glow[data-astro-cid-ze7xrsho]{fill:var(--glow);opacity:calc(var(--current) * .5)}.force[data-astro-cid-ze7xrsho]{fill:none;stroke:var(--glow);stroke-width:4px;stroke-linecap:round;stroke-linejoin:round;transform-box:fill-box;transform-origin:0;transform:scaleX(calc(.1 + var(--current) * .9));opacity:calc(var(--current) * 1.2)}.shaft[data-astro-cid-ze7xrsho]{fill:#e8e5da;stroke:#47553c;stroke-width:2px}.shaft-text[data-astro-cid-ze7xrsho]{stroke:#e8e5da;font-size:10px}.core[data-astro-cid-ze7xrsho]{fill:#faf8ef;stroke:#47553c;stroke-width:2px}.side-bar[data-astro-cid-ze7xrsho]{fill:color-mix(in srgb, var(--glow) calc(var(--current) * 100%), #8c9180);stroke:#47553c;stroke-width:1.5px}.side-bar-glow[data-astro-cid-ze7xrsho]{fill:var(--glow);opacity:calc(var(--current) * .35)}.ring[data-astro-cid-ze7xrsho]{fill:#b9a46f;stroke:#47553c;stroke-width:2px}.legend-list[data-astro-cid-ze7xrsho]{color:#3f4d36;gap:4px;margin:10px 0 0;padding:0;font-size:.75rem;line-height:1.5;list-style:none;display:grid}.legend-list[data-astro-cid-ze7xrsho] li[data-astro-cid-ze7xrsho]{align-items:center;gap:6px;display:flex}.swatch[data-astro-cid-ze7xrsho]{border:1px solid #47553c;border-radius:3px;flex:none;width:14px;height:14px;display:inline-block}.swatch-n[data-astro-cid-ze7xrsho]{background:#c4291c}.swatch-s[data-astro-cid-ze7xrsho]{background:#2b6cb0;margin-right:2px}.swatch-bar[data-astro-cid-ze7xrsho]{background:var(--glow);border-radius:50%}.swatch-force[data-astro-cid-ze7xrsho]{border:0;border-top:4px solid var(--glow);background:0 0;border-radius:2px;width:18px;height:0}.flow-caption[data-astro-cid-ze7xrsho]{color:#46543c;margin:12px 0 0;font-size:.75rem;line-height:1.6}.meters[data-astro-cid-ze7xrsho]{background:#faf8ef;border-block:1px solid #c9cebb;grid-template-columns:repeat(4,minmax(0,1fr));display:grid}.meter[data-astro-cid-ze7xrsho]{flex-direction:column;gap:6px;min-width:0;padding:16px;display:flex}.meter[data-astro-cid-ze7xrsho]+.meter[data-astro-cid-ze7xrsho]{border-left:1px solid #d9dacb}.meter-name[data-astro-cid-ze7xrsho]{font:.7rem/1.5 var(--font-mono,monospace)}.meter[data-astro-cid-ze7xrsho] strong[data-astro-cid-ze7xrsho]{font:600 clamp(1.1rem, 2.2vw, 1.5rem)/1.2 var(--font-mono,monospace);font-variant-numeric:tabular-nums;overflow-wrap:anywhere}.unit[data-astro-cid-ze7xrsho]{font-size:.6em;font-weight:400}.meter-note[data-astro-cid-ze7xrsho]{color:#60664f;font-size:.7rem}.controls[data-astro-cid-ze7xrsho]{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;padding:24px;display:grid}.control[data-astro-cid-ze7xrsho]{min-width:0}.control[data-astro-cid-ze7xrsho] input[data-astro-cid-ze7xrsho][type=range]{scroll-margin-top:120px}.control[data-astro-cid-ze7xrsho]>label[data-astro-cid-ze7xrsho]:first-child,.control[data-astro-cid-ze7xrsho]>legend[data-astro-cid-ze7xrsho]{justify-content:space-between;align-items:start;gap:12px;font-size:.875rem;font-weight:600;display:flex}output[data-astro-cid-ze7xrsho]{white-space:nowrap;font-family:var(--font-mono,monospace);color:#963d20}input[data-astro-cid-ze7xrsho][type=range]{accent-color:#a64426;cursor:pointer;width:100%;min-width:0;height:36px;margin:6px 0 0}input[data-astro-cid-ze7xrsho][type=range]:disabled{cursor:default}.range-ends[data-astro-cid-ze7xrsho]{font:.7rem/1.5 var(--font-mono,monospace);color:#60664f;justify-content:space-between;gap:8px;display:flex}.control[data-astro-cid-ze7xrsho] p[data-astro-cid-ze7xrsho]{color:#555d49;margin:10px 0 0;font-size:.75rem;line-height:1.6}.poles-control[data-astro-cid-ze7xrsho]{grid-column:1/-1}.poles-control[data-astro-cid-ze7xrsho] legend[data-astro-cid-ze7xrsho]{display:block}.force-control[data-astro-cid-ze7xrsho]{grid-column:1/-1}.choices[data-astro-cid-ze7xrsho]{flex-wrap:wrap;gap:8px;margin-top:8px;display:flex}.choice[data-astro-cid-ze7xrsho]{cursor:pointer;background:#faf8ef;border:1px solid #bac3a9;border-radius:4px;align-items:center;gap:8px;min-height:44px;padding:8px 14px;font-size:.875rem;display:inline-flex}.choice[data-astro-cid-ze7xrsho]:has(input:checked){color:#fff9ed;background:#34452c;border-color:#34452c}.choice[data-astro-cid-ze7xrsho]:has(input:focus-visible){outline-offset:2px;outline:2px solid #a64426}.choice[data-astro-cid-ze7xrsho] input[data-astro-cid-ze7xrsho]{accent-color:#a64426;width:18px;height:18px;margin:0}.checkbox-label[data-astro-cid-ze7xrsho]{cursor:pointer;align-items:center;gap:10px;min-height:44px;font-size:.875rem;font-weight:600;display:flex}.checkbox-label[data-astro-cid-ze7xrsho] input[data-astro-cid-ze7xrsho]{accent-color:#a64426;flex:none;width:20px;height:20px;margin:0}button[data-astro-cid-ze7xrsho]{border-radius:4px;min-height:44px;font-size:.8125rem}.primary-button[data-astro-cid-ze7xrsho]{color:#fff9ed;background:#34452c;border:1px solid #34452c;padding:10px 16px}.primary-button[data-astro-cid-ze7xrsho]:hover{background:#465b3b}.quiet-button[data-astro-cid-ze7xrsho]{text-underline-offset:3px;background:0 0;border:0;padding:10px 4px;text-decoration:underline}button[data-astro-cid-ze7xrsho]:disabled,input[data-astro-cid-ze7xrsho]:disabled{opacity:.5}.explanation[data-astro-cid-ze7xrsho]{background:#faf8ef;border-left:3px solid #b94524;margin:0 24px 20px;padding:20px}.explanation[data-astro-cid-ze7xrsho] p[data-astro-cid-ze7xrsho]{margin:0;font-size:.875rem;line-height:1.7}.lab-bottom[data-astro-cid-ze7xrsho]{border-top:1px solid #c1c9ae;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding:12px 24px;display:flex}.lab-bottom[data-astro-cid-ze7xrsho]>span[data-astro-cid-ze7xrsho]{color:#555d49;font-size:.75rem}.bottom-actions[data-astro-cid-ze7xrsho]{flex-wrap:wrap;gap:12px;display:flex}.model-notes[data-astro-cid-ze7xrsho]{border-top:1px solid #c9cebb;padding:16px 24px;font-size:.8125rem}.model-notes[data-astro-cid-ze7xrsho] summary[data-astro-cid-ze7xrsho]{min-height:28px}.model-notes[data-astro-cid-ze7xrsho] p[data-astro-cid-ze7xrsho]{line-height:1.7}.no-script[data-astro-cid-ze7xrsho]{padding:0 24px}.sr-only[data-astro-cid-ze7xrsho]{clip-path:inset(50%);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@media (width<=700px){.controls[data-astro-cid-ze7xrsho]{grid-template-columns:minmax(0,1fr)}.meters[data-astro-cid-ze7xrsho]{grid-template-columns:repeat(2,minmax(0,1fr))}.meter[data-astro-cid-ze7xrsho]:nth-child(3){border-left:0}.meter[data-astro-cid-ze7xrsho]:nth-child(n+3){border-top:1px solid #d9dacb}}@media (width<=520px){.lab-header[data-astro-cid-ze7xrsho]{padding:22px 16px}.topic-nav[data-astro-cid-ze7xrsho],.lesson-panel[data-astro-cid-ze7xrsho],.part-title[data-astro-cid-ze7xrsho],.lab-bottom[data-astro-cid-ze7xrsho]{padding-inline:16px}h2[data-astro-cid-ze7xrsho]{font-size:1.7rem}.board[data-astro-cid-ze7xrsho]{padding:12px 8px 14px}.meter[data-astro-cid-ze7xrsho]{padding:12px}.controls[data-astro-cid-ze7xrsho]{gap:20px;padding:20px 16px}.explanation[data-astro-cid-ze7xrsho]{margin-inline:16px;padding:16px}.model-notes[data-astro-cid-ze7xrsho],.reading-return-bottom[data-astro-cid-ze7xrsho]{padding-inline:16px}.small[data-astro-cid-ze7xrsho]{font-size:18px}.shaft-text[data-astro-cid-ze7xrsho]{font-size:16px}.stator-text[data-astro-cid-ze7xrsho]{font-size:15px}.range-ends[data-astro-cid-ze7xrsho]{font-size:.65rem}}@media (prefers-reduced-motion:reduce){.induction-lab[data-astro-cid-ze7xrsho] [data-astro-cid-ze7xrsho]{transition:none}}.sd-lab[data-astro-cid-ryoixe6p]{background:var(--card,#eeefe5);border:1px solid #bfc5af;border-radius:8px;margin-top:56px;scroll-margin-top:24px;font-size:1rem;line-height:1.5;position:relative;overflow:clip}.sd-lab[data-astro-cid-ryoixe6p] [data-astro-cid-ryoixe6p][hidden]{display:none!important}.topic-anchor[data-astro-cid-ryoixe6p]{scroll-margin-top:24px;position:absolute;top:0}.lab-header[data-astro-cid-ryoixe6p]{padding:28px 28px 22px}.lab-eyebrow[data-astro-cid-ryoixe6p]{color:#5c6550;letter-spacing:.12em;margin:0 0 10px;font:.7rem/1.5 monospace}h2[data-astro-cid-ryoixe6p]{letter-spacing:-.03em;margin:0 0 12px;font:2rem/1.15 Georgia,serif}.lab-header[data-astro-cid-ryoixe6p]>p[data-astro-cid-ryoixe6p]:last-of-type{margin:0;font-size:.95rem}fieldset[data-astro-cid-ryoixe6p]{border:0;min-width:0;margin:0;padding:0}legend[data-astro-cid-ryoixe6p]{padding:0}.topic-nav[data-astro-cid-ryoixe6p]{flex-wrap:wrap;gap:8px;padding:20px 24px;display:flex}.topic-nav[data-astro-cid-ryoixe6p] a[data-astro-cid-ryoixe6p]{background:#faf8ef;border:1px solid #bac3a9;border-radius:4px;align-items:center;min-height:44px;padding:8px 12px;font-size:.8125rem;text-decoration:none;display:inline-flex}.topic-nav[data-astro-cid-ryoixe6p] a[data-astro-cid-ryoixe6p][aria-current=true]{color:#fff9ed;background:#34452c;border-color:#34452c}.lesson-panel[data-astro-cid-ryoixe6p]{border-block:1px solid #d7b78e;border-left:4px solid var(--accent,#b94524);background:#fff5e4;padding:20px 24px}.lesson-panel[data-astro-cid-ryoixe6p] h3[data-astro-cid-ryoixe6p]{margin:0 0 10px;font:600 1rem/1.4 Arial,sans-serif}.lesson-panel[data-astro-cid-ryoixe6p] p[data-astro-cid-ryoixe6p]{margin:0 0 12px;font-size:.875rem;line-height:1.6}.lesson-actions[data-astro-cid-ryoixe6p]{flex-wrap:wrap;align-items:center;gap:8px 20px;display:flex}.return-reading[data-astro-cid-ryoixe6p]{text-underline-offset:3px;color:#963d20;align-items:center;min-height:44px;font-size:.875rem;display:inline-flex}.reading-return-bottom[data-astro-cid-ryoixe6p]{padding:0 24px 20px}.part[data-astro-cid-ryoixe6p]{border-top:1px solid #c1c9ae}.part-title[data-astro-cid-ryoixe6p]{letter-spacing:.08em;text-transform:uppercase;color:#5c6550;margin:0;padding:18px 24px 0;font:600 .75rem/1.5 monospace}[data-astro-cid-ryoixe6p][data-topic=gwiazda] .connection-part[data-astro-cid-ryoixe6p],[data-astro-cid-ryoixe6p][data-topic=trojkat] .connection-part[data-astro-cid-ryoixe6p],[data-astro-cid-ryoixe6p][data-topic=prad] .connection-part[data-astro-cid-ryoixe6p],[data-astro-cid-ryoixe6p][data-topic=napiecie] .rating-part[data-astro-cid-ryoixe6p],[data-astro-cid-ryoixe6p][data-topic=rozruch] .start-part[data-astro-cid-ryoixe6p]{box-shadow:inset 4px 0 #a64426}.board[data-astro-cid-ryoixe6p]{background-color:#e1e5d4;background-image:radial-gradient(#a9b497 1px,#0000 1px);background-size:18px 18px;min-width:0;margin-top:12px;padding:12px 24px 16px}svg[data-astro-cid-ryoixe6p]{width:100%;display:block;overflow:visible}.box-svg[data-astro-cid-ryoixe6p]{margin-top:20px}.tick[data-astro-cid-ryoixe6p],.small[data-astro-cid-ryoixe6p],.terminal-label[data-astro-cid-ryoixe6p],.wire-label[data-astro-cid-ryoixe6p]{fill:#3f4d36;paint-order:stroke;stroke:#e1e5d4;stroke-width:4px;stroke-linejoin:round;font:11px Arial,sans-serif}.wire-label[data-astro-cid-ryoixe6p],.terminal-label[data-astro-cid-ryoixe6p]{fill:#293322;font:700 12px monospace}.coil-name[data-astro-cid-ryoixe6p]{fill:#293322;font:700 20px Georgia,serif}.coil-value[data-astro-cid-ryoixe6p],.tick[data-astro-cid-ryoixe6p].strong{fill:#963d20;font-weight:700}.terminal-in[data-astro-cid-ryoixe6p]{fill:#293322;font:700 12px monospace}.wire[data-astro-cid-ryoixe6p]{fill:none;stroke-width:5px;stroke-linejoin:round}.lead[data-astro-cid-ryoixe6p]{fill:none;stroke:#47553c;stroke-width:3px}.coil[data-astro-cid-ryoixe6p]{fill:none;stroke:#47553c;stroke-width:4px;stroke-linecap:round}.neutral[data-astro-cid-ryoixe6p]{fill:none;stroke:#47553c;stroke-width:6px;stroke-linecap:round}.joint[data-astro-cid-ryoixe6p],.terminal[data-astro-cid-ryoixe6p]{fill:#f8f4e9;stroke:#47553c;stroke-width:2px}.terminal[data-astro-cid-ryoixe6p].big{fill:#faf8ef;stroke-width:2.5px}.strap[data-astro-cid-ryoixe6p]{stroke:#47553c;stroke-width:1.5px}[data-astro-cid-ryoixe6p][data-connection=star] .only-delta[data-astro-cid-ryoixe6p],[data-astro-cid-ryoixe6p][data-connection=delta] .only-star[data-astro-cid-ryoixe6p]{display:none}.flow-caption[data-astro-cid-ryoixe6p]{color:#46543c;margin:12px 0 0;font-size:.75rem;line-height:1.6}.meters[data-astro-cid-ryoixe6p]{background:#faf8ef;border-block:1px solid #c9cebb;display:grid}.meters[data-astro-cid-ryoixe6p].four,.meters[data-astro-cid-ryoixe6p].five{grid-template-columns:repeat(4,minmax(0,1fr))}.meter[data-astro-cid-ryoixe6p]{flex-direction:column;gap:6px;min-width:0;padding:16px;display:flex}.meter[data-astro-cid-ryoixe6p]+.meter[data-astro-cid-ryoixe6p]{border-left:1px solid #d9dacb}.meter-name[data-astro-cid-ryoixe6p]{font:.7rem/1.5 monospace}.meter[data-astro-cid-ryoixe6p] strong[data-astro-cid-ryoixe6p]{font-variant-numeric:tabular-nums;overflow-wrap:anywhere;font:600 clamp(1.1rem,2.2vw,1.5rem)/1.2 monospace}.meter-note[data-astro-cid-ryoixe6p]{color:#60664f;font-size:.7rem}[data-astro-cid-ryoixe6p][data-stage=star] .stage[data-astro-cid-ryoixe6p]{color:#5a8f29}[data-astro-cid-ryoixe6p][data-stage=delta] .stage[data-astro-cid-ryoixe6p]{color:#963d20}.controls[data-astro-cid-ryoixe6p]{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;padding:24px;display:grid}.control[data-astro-cid-ryoixe6p]{min-width:0}.control[data-astro-cid-ryoixe6p].wide,.mode-control[data-astro-cid-ryoixe6p]{grid-column:1/-1}.control[data-astro-cid-ryoixe6p]>label[data-astro-cid-ryoixe6p]:first-child,.control[data-astro-cid-ryoixe6p]>legend[data-astro-cid-ryoixe6p]{justify-content:space-between;align-items:start;gap:12px;font-size:.875rem;font-weight:600;display:flex}output[data-astro-cid-ryoixe6p]{white-space:nowrap;color:#963d20;font-family:monospace}input[data-astro-cid-ryoixe6p][type=range]{accent-color:#a64426;cursor:pointer;width:100%;min-width:0;height:44px;margin:6px 0 0}.range-ends[data-astro-cid-ryoixe6p]{color:#60664f;justify-content:space-between;font:.7rem/1.5 monospace;display:flex}.control[data-astro-cid-ryoixe6p] p[data-astro-cid-ryoixe6p]{color:#555d49;margin:10px 0 0;font-size:.75rem;line-height:1.6}.mode-control[data-astro-cid-ryoixe6p]{flex-wrap:wrap;align-items:center;gap:8px 16px;display:flex}.mode-control[data-astro-cid-ryoixe6p] legend[data-astro-cid-ryoixe6p]{width:100%;margin-bottom:8px;font-size:.875rem;font-weight:600;display:block}.choices[data-astro-cid-ryoixe6p]{flex-wrap:wrap;gap:8px;margin-top:8px;display:flex}.control[data-astro-cid-ryoixe6p]>legend[data-astro-cid-ryoixe6p]+.choices[data-astro-cid-ryoixe6p]{margin-top:8px}.choice[data-astro-cid-ryoixe6p]{cursor:pointer;background:#faf8ef;border:1px solid #bac3a9;border-radius:4px;align-items:center;gap:8px;min-height:44px;padding:8px 14px;font-size:.875rem;display:inline-flex}.choice[data-astro-cid-ryoixe6p]:has(input:checked){color:#fff9ed;background:#34452c;border-color:#34452c}.choice[data-astro-cid-ryoixe6p]:has(input:focus-visible){outline-offset:2px;outline:2px solid #a64426}.choice[data-astro-cid-ryoixe6p] input[data-astro-cid-ryoixe6p]{accent-color:#a64426;width:18px;height:18px;margin:0}button[data-astro-cid-ryoixe6p]{border-radius:4px;min-height:44px;font-size:.8125rem}.primary-button[data-astro-cid-ryoixe6p]{color:#fff9ed;background:#34452c;border:1px solid #34452c;padding:10px 24px}.primary-button[data-astro-cid-ryoixe6p]:hover{background:#465b3b}.primary-button[data-astro-cid-ryoixe6p][aria-pressed=true]{background:#a64426;border-color:#a64426}.quiet-button[data-astro-cid-ryoixe6p]{text-underline-offset:3px;background:0 0;border:0;padding:10px 4px;text-decoration:underline}button[data-astro-cid-ryoixe6p]:disabled,input[data-astro-cid-ryoixe6p]:disabled{opacity:.5}.explanation[data-astro-cid-ryoixe6p]{background:#faf8ef;border-left:3px solid #b94524;margin:20px 24px 0;padding:20px}.explanation[data-astro-cid-ryoixe6p] p[data-astro-cid-ryoixe6p]{margin:0;font-size:.875rem;line-height:1.7}.explanation[data-astro-cid-ryoixe6p] p[data-astro-cid-ryoixe6p]+p[data-astro-cid-ryoixe6p]{margin-top:10px}.warning[data-astro-cid-ryoixe6p]{color:#963d20}.lab-bottom[data-astro-cid-ryoixe6p]{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding:12px 24px;display:flex}.lab-bottom[data-astro-cid-ryoixe6p]>span[data-astro-cid-ryoixe6p]{color:#555d49;font-size:.75rem}.bottom-actions[data-astro-cid-ryoixe6p]{flex-wrap:wrap;gap:12px;display:flex}.model-notes[data-astro-cid-ryoixe6p]{border-top:1px solid #c9cebb;padding:16px 24px;font-size:.8125rem}.model-notes[data-astro-cid-ryoixe6p] summary[data-astro-cid-ryoixe6p]{min-height:28px}.model-notes[data-astro-cid-ryoixe6p] p[data-astro-cid-ryoixe6p]{line-height:1.7}.no-script[data-astro-cid-ryoixe6p]{padding:0 24px}.sr-only[data-astro-cid-ryoixe6p]{clip-path:inset(50%);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.compare[data-astro-cid-ryoixe6p]{padding:20px 24px 8px}table[data-astro-cid-ryoixe6p]{border-collapse:collapse;table-layout:fixed;width:100%;font-size:.8125rem}caption[data-astro-cid-ryoixe6p]{text-align:left;color:#555d49;padding-bottom:8px;font-size:.75rem}th[data-astro-cid-ryoixe6p],td[data-astro-cid-ryoixe6p]{text-align:right;vertical-align:top;font-variant-numeric:tabular-nums;overflow-wrap:anywhere;border-bottom:1px solid #c9cebb;padding:10px 8px}th[data-astro-cid-ryoixe6p][scope=row],thead[data-astro-cid-ryoixe6p] th[data-astro-cid-ryoixe6p]:first-child{text-align:left;width:34%;font-weight:600}thead[data-astro-cid-ryoixe6p] th[data-astro-cid-ryoixe6p]{color:#5c6550;font:.7rem/1.5 monospace}.key[data-astro-cid-ryoixe6p] td[data-astro-cid-ryoixe6p].col-ratio{color:#963d20;font-size:1.25rem;font-weight:700}td[data-astro-cid-ryoixe6p].col-ratio{color:#60664f}[data-astro-cid-ryoixe6p][data-focus=star] .col-delta[data-astro-cid-ryoixe6p],[data-astro-cid-ryoixe6p][data-focus=star] .col-ratio[data-astro-cid-ryoixe6p],[data-astro-cid-ryoixe6p][data-focus=delta] .col-star[data-astro-cid-ryoixe6p],[data-astro-cid-ryoixe6p][data-focus=delta] .col-ratio[data-astro-cid-ryoixe6p]{display:none}[data-astro-cid-ryoixe6p][data-focus=star] th[data-astro-cid-ryoixe6p][scope=row],[data-astro-cid-ryoixe6p][data-focus=delta] th[data-astro-cid-ryoixe6p][scope=row]{width:50%}.plate-wrap[data-astro-cid-ryoixe6p]{flex-wrap:wrap;align-items:center;gap:8px 16px;padding:0 24px;display:flex}.plate[data-astro-cid-ryoixe6p]{background:#d8dac9;border:2px solid #47553c;border-radius:6px;flex-direction:column;gap:4px;padding:10px 16px;display:inline-flex;box-shadow:inset 0 0 0 2px #eeefe5}.plate-label[data-astro-cid-ryoixe6p]{letter-spacing:.14em;color:#5c6550;font:.65rem/1.2 monospace}.plate[data-astro-cid-ryoixe6p] strong[data-astro-cid-ryoixe6p]{font:700 1.25rem/1.2 monospace}.plate-note[data-astro-cid-ryoixe6p]{color:#555d49;flex:200px;margin:0;font-size:.75rem}.rating-cards[data-astro-cid-ryoixe6p]{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;padding:20px 24px 0;display:grid}.rating-card[data-astro-cid-ryoixe6p]{background:#faf8ef;border:1px solid #c9cebb;border-top:5px solid #8a8f7c;min-width:0;padding:16px}.rating-card[data-astro-cid-ryoixe6p][data-status=nominal]{background:#f0f5e8;border-top-color:#5a8f29}.rating-card[data-astro-cid-ryoixe6p][data-status=over]{background:#f9e3dc;border-top-color:#c4291c}.rating-card[data-astro-cid-ryoixe6p][data-status=under]{background:#f8f0dc;border-top-color:#d09a2a}.rating-card[data-astro-cid-ryoixe6p] h4[data-astro-cid-ryoixe6p]{margin:0 0 8px;font:600 1rem/1.4 Arial,sans-serif}.rating-voltage[data-astro-cid-ryoixe6p]{flex-direction:column;gap:2px;margin:0;display:flex}.rating-voltage[data-astro-cid-ryoixe6p] strong[data-astro-cid-ryoixe6p]{font:700 1.5rem/1.2 monospace}.rating-bar[data-astro-cid-ryoixe6p]{background:#d9dacb;border-radius:6px;height:12px;margin-top:12px;position:relative;overflow:visible}.rating-fill[data-astro-cid-ryoixe6p]{width:var(--fill);background:#8a8f7c;border-radius:6px;position:absolute;inset:0 auto 0 0}[data-astro-cid-ryoixe6p][data-status=nominal] .rating-fill[data-astro-cid-ryoixe6p]{background:#5a8f29}[data-astro-cid-ryoixe6p][data-status=over] .rating-fill[data-astro-cid-ryoixe6p]{background:#c4291c}[data-astro-cid-ryoixe6p][data-status=under] .rating-fill[data-astro-cid-ryoixe6p]{background:#d09a2a}.rating-mark[data-astro-cid-ryoixe6p]{background:#293322;width:3px;position:absolute;top:-4px;bottom:-4px;left:66.667%}.rating-scale[data-astro-cid-ryoixe6p]{color:#60664f;height:1.3em;margin:6px 0 0;font:.65rem/1.3 monospace;position:relative}.rating-scale[data-astro-cid-ryoixe6p] span[data-astro-cid-ryoixe6p]{white-space:nowrap;position:absolute;left:66.667%;transform:translate(-50%)}.rating-verdict[data-astro-cid-ryoixe6p]{margin:12px 0 4px;font-size:.9rem;font-weight:700}.rating-text[data-astro-cid-ryoixe6p]{margin:0;font-size:.8125rem;line-height:1.6}.chart-title[data-astro-cid-ryoixe6p]{color:#3f4d36;margin:8px 0 6px;font-size:.75rem;font-weight:600}.board[data-astro-cid-ryoixe6p] .chart-title[data-astro-cid-ryoixe6p]~svg[data-astro-cid-ryoixe6p]+.chart-title[data-astro-cid-ryoixe6p],.legend-line[data-astro-cid-ryoixe6p]+.chart-title[data-astro-cid-ryoixe6p]{margin-top:18px}.axis[data-astro-cid-ryoixe6p]{stroke:#47553c;stroke-width:1.5px}.level[data-astro-cid-ryoixe6p]{stroke:#9aa588;stroke-width:1px;stroke-dasharray:4 5}.switch-line[data-astro-cid-ryoixe6p]{stroke:#a64426;stroke-width:1.5px;stroke-dasharray:5 4}.cursor[data-astro-cid-ryoixe6p]{stroke:#293322;stroke-width:1.5px}.curve[data-astro-cid-ryoixe6p]{fill:none;stroke-linejoin:round;stroke-linecap:round}.curve[data-astro-cid-ryoixe6p].direct{stroke:#8a8a8a;stroke-width:3px;stroke-dasharray:8 5}.curve[data-astro-cid-ryoixe6p].stepped{stroke:#a64426;stroke-width:2px;opacity:.3}.curve[data-astro-cid-ryoixe6p].done{stroke:#a64426;stroke-width:4px}.curve[data-astro-cid-ryoixe6p].load{stroke:#47553c;stroke-width:1.5px;stroke-dasharray:2 4}.legend-line[data-astro-cid-ryoixe6p]{color:#3f4d36;flex-wrap:wrap;align-items:center;gap:4px 12px;margin:8px 0 0;font-size:.75rem;display:flex}.swatch[data-astro-cid-ryoixe6p]{vertical-align:middle;border-top:3px dashed #8a8a8a;width:24px;height:0;margin-right:4px;display:inline-block}.swatch[data-astro-cid-ryoixe6p].done{border-top:4px solid #a64426;margin-left:8px}.start-control[data-astro-cid-ryoixe6p]{flex-direction:column;justify-content:center;align-items:flex-start;display:flex}.start-control[data-astro-cid-ryoixe6p] .primary-button[data-astro-cid-ryoixe6p]{min-width:120px}@media (width<=700px){.controls[data-astro-cid-ryoixe6p]{grid-template-columns:minmax(0,1fr)}.meters[data-astro-cid-ryoixe6p].four,.meters[data-astro-cid-ryoixe6p].five{grid-template-columns:repeat(2,minmax(0,1fr))}.meters[data-astro-cid-ryoixe6p] .meter[data-astro-cid-ryoixe6p]:nth-child(odd){border-left:0}.meters[data-astro-cid-ryoixe6p] .meter[data-astro-cid-ryoixe6p]:nth-child(n+3){border-top:1px solid #d9dacb}.rating-cards[data-astro-cid-ryoixe6p]{grid-template-columns:minmax(0,1fr)}}@media (width<=520px){.lab-header[data-astro-cid-ryoixe6p]{padding:22px 16px}.topic-nav[data-astro-cid-ryoixe6p],.lesson-panel[data-astro-cid-ryoixe6p],.part-title[data-astro-cid-ryoixe6p],.lab-bottom[data-astro-cid-ryoixe6p],.compare[data-astro-cid-ryoixe6p],.plate-wrap[data-astro-cid-ryoixe6p],.rating-cards[data-astro-cid-ryoixe6p]{padding-inline:16px}h2[data-astro-cid-ryoixe6p]{font-size:1.7rem}.board[data-astro-cid-ryoixe6p]{padding:12px 8px 14px}.controls[data-astro-cid-ryoixe6p]{gap:20px;padding:20px 16px}.explanation[data-astro-cid-ryoixe6p]{margin-inline:16px;padding:16px}.model-notes[data-astro-cid-ryoixe6p]{padding-inline:16px}.tick[data-astro-cid-ryoixe6p],.small[data-astro-cid-ryoixe6p],.terminal-label[data-astro-cid-ryoixe6p],.wire-label[data-astro-cid-ryoixe6p],.terminal-in[data-astro-cid-ryoixe6p]{font-size:20px}.coil-name[data-astro-cid-ryoixe6p]{font-size:30px}.meters[data-astro-cid-ryoixe6p].four,.meters[data-astro-cid-ryoixe6p].five{grid-template-columns:minmax(0,1fr)}.meters[data-astro-cid-ryoixe6p] .meter[data-astro-cid-ryoixe6p]+.meter[data-astro-cid-ryoixe6p]{border-top:1px solid #d9dacb;border-left:0}table[data-astro-cid-ryoixe6p]{font-size:.75rem}th[data-astro-cid-ryoixe6p],td[data-astro-cid-ryoixe6p]{padding:8px 3px}thead[data-astro-cid-ryoixe6p] th[data-astro-cid-ryoixe6p]{padding-inline:1px;font-size:.62rem}th[data-astro-cid-ryoixe6p][scope=row],thead[data-astro-cid-ryoixe6p] th[data-astro-cid-ryoixe6p]:first-child{width:31%}.key[data-astro-cid-ryoixe6p] td[data-astro-cid-ryoixe6p].col-ratio{font-size:1.05rem}}.nameplate-lab[data-astro-cid-rz4e6q3x]{background:#eeefe5;border:1px solid #bfc5af;border-radius:8px;margin-top:56px;scroll-margin-top:24px;font-size:1rem;line-height:1.5;position:relative;overflow:clip}.nameplate-lab[data-astro-cid-rz4e6q3x] [data-astro-cid-rz4e6q3x][hidden]{display:none!important}.topic-anchor[data-astro-cid-rz4e6q3x]{scroll-margin-top:24px;position:absolute;top:0}.lab-header[data-astro-cid-rz4e6q3x]{padding:28px 28px 22px}.lab-eyebrow[data-astro-cid-rz4e6q3x]{color:#5c6550;letter-spacing:.12em;margin:0 0 10px;font:.7rem/1.5 monospace}h2[data-astro-cid-rz4e6q3x]{letter-spacing:-.03em;margin:0 0 12px;font:2rem/1.15 Georgia,serif}.lab-header[data-astro-cid-rz4e6q3x]>p[data-astro-cid-rz4e6q3x]:last-of-type{margin:0;font-size:.95rem}fieldset[data-astro-cid-rz4e6q3x]{border:0;min-width:0;margin:0;padding:0}legend[data-astro-cid-rz4e6q3x]{padding:0}.topic-nav[data-astro-cid-rz4e6q3x]{flex-wrap:wrap;gap:8px;padding:20px 24px;display:flex}.topic-nav[data-astro-cid-rz4e6q3x] a[data-astro-cid-rz4e6q3x]{background:#faf8ef;border:1px solid #bac3a9;border-radius:4px;align-items:center;min-height:44px;padding:8px 12px;font-size:.8125rem;text-decoration:none;display:inline-flex}.topic-nav[data-astro-cid-rz4e6q3x] a[data-astro-cid-rz4e6q3x][aria-current=true]{color:#fff9ed;background:#34452c;border-color:#34452c}.lesson-panel[data-astro-cid-rz4e6q3x]{border-block:1px solid #d7b78e;background:#fff5e4;border-left:4px solid #b94524;padding:20px 24px}.lesson-panel[data-astro-cid-rz4e6q3x] h3[data-astro-cid-rz4e6q3x]{margin:0 0 10px;font:600 1rem/1.4 Arial,sans-serif}.lesson-panel[data-astro-cid-rz4e6q3x] p[data-astro-cid-rz4e6q3x]{margin:0 0 12px;font-size:.875rem;line-height:1.6}.lesson-actions[data-astro-cid-rz4e6q3x]{flex-wrap:wrap;align-items:center;gap:8px 20px;display:flex}.return-reading[data-astro-cid-rz4e6q3x]{text-underline-offset:3px;color:#963d20;align-items:center;min-height:44px;font-size:.875rem;display:inline-flex}.reading-return-bottom[data-astro-cid-rz4e6q3x]{padding:0 24px 20px}.part[data-astro-cid-rz4e6q3x]{border-top:1px solid #c1c9ae}.part-title[data-astro-cid-rz4e6q3x]{letter-spacing:.08em;text-transform:uppercase;color:#5c6550;margin:0;padding:18px 24px 0;font:600 .75rem/1.5 monospace}[data-astro-cid-rz4e6q3x][data-topic=napiecie] .conn-part[data-astro-cid-rz4e6q3x],[data-astro-cid-rz4e6q3x][data-topic=moc] .calc-part[data-astro-cid-rz4e6q3x],[data-astro-cid-rz4e6q3x][data-topic=obroty] .poles-part[data-astro-cid-rz4e6q3x],[data-astro-cid-rz4e6q3x][data-topic=ochrona] .plate-part[data-astro-cid-rz4e6q3x],[data-astro-cid-rz4e6q3x][data-topic=praca] .plate-part[data-astro-cid-rz4e6q3x]{box-shadow:inset 4px 0 #a64426}.board[data-astro-cid-rz4e6q3x]{background-color:#e1e5d4;background-image:radial-gradient(#a9b497 1px,#0000 1px);background-size:18px 18px;min-width:0;margin-top:12px;padding:12px 24px 16px}svg[data-astro-cid-rz4e6q3x]{width:100%;max-width:420px;margin-inline:auto;display:block;overflow:visible}.flow-caption[data-astro-cid-rz4e6q3x]{color:#46543c;margin:12px 0 0;font-size:.75rem;line-height:1.6}.plate[data-astro-cid-rz4e6q3x]{background:linear-gradient(145deg,#e4e5de 0%,#c6c8be 45%,#d8d9d1 100%);border:2px solid #7d8077;border-radius:12px;padding:34px 26px 22px;position:relative;box-shadow:inset 0 2px #fff9,0 8px 18px #2b3a2430}.screw[data-astro-cid-rz4e6q3x]{background:radial-gradient(circle at 35% 35%,#f3f3ee,#8c8f84);border:1px solid #6e7167;border-radius:50%;width:12px;height:12px;position:absolute}.screw[data-astro-cid-rz4e6q3x]:after{content:"";background:#5a5d54;height:1px;position:absolute;inset:5px -1px auto;transform:rotate(35deg)}.s1[data-astro-cid-rz4e6q3x]{top:10px;left:10px}.s2[data-astro-cid-rz4e6q3x]{top:10px;right:10px}.s3[data-astro-cid-rz4e6q3x]{bottom:10px;left:10px}.s4[data-astro-cid-rz4e6q3x]{bottom:10px;right:10px}.plate-title[data-astro-cid-rz4e6q3x]{text-align:center;letter-spacing:.18em;color:#3c4036;margin:0 0 14px;font:700 .72rem/1.4 monospace}.fields[data-astro-cid-rz4e6q3x]{grid-template-columns:repeat(6,minmax(0,1fr));gap:8px;display:grid}.field[data-astro-cid-rz4e6q3x]{text-align:left;color:#262a22;cursor:pointer;background:#ecede6;border:1px solid #8e9185;border-radius:6px;flex-direction:column;grid-column:span 2;justify-content:center;align-items:flex-start;gap:2px;min-width:0;min-height:76px;padding:8px 12px;font-family:inherit;display:flex;box-shadow:inset 0 1px #fff}.field[data-astro-cid-rz4e6q3x].wide{grid-column:span 3}.field[data-astro-cid-rz4e6q3x]:hover{background:#f6f6f0}.field[data-astro-cid-rz4e6q3x]:focus-visible{outline-offset:2px;outline:3px solid #a64426}.field-label[data-astro-cid-rz4e6q3x]{letter-spacing:.03em;color:#565a4e;font:.66rem/1.3 Arial,sans-serif}.field-value[data-astro-cid-rz4e6q3x]{font-variant-numeric:tabular-nums;overflow-wrap:anywhere;font:700 1.2rem/1.2 monospace}.field-unit[data-astro-cid-rz4e6q3x]{color:#565a4e;font:.78rem/1.2 monospace}.field[data-astro-cid-rz4e6q3x][aria-pressed=true]{background:#fff5e4;border-color:#a64426;box-shadow:0 0 0 2px #a64426}.field[data-astro-cid-rz4e6q3x][data-topic-hit=true]{background:#fff1dc;border-color:#a64426}.field[data-astro-cid-rz4e6q3x][data-quiz-target=true]{background:#e5f0fb;border:2px dashed #1b5fa8;box-shadow:0 0 0 3px #1b5fa855}.field[data-astro-cid-rz4e6q3x][data-quiz-target=true] .field-label[data-astro-cid-rz4e6q3x]:after{content:" · ?";font-weight:700}.field[data-astro-cid-rz4e6q3x][data-quiz-target=true] .field-label[data-astro-cid-rz4e6q3x]{color:#174f8c}@media (prefers-reduced-motion:no-preference){.field[data-astro-cid-rz4e6q3x][data-quiz-target=true]{animation:1.6s ease-in-out infinite quiz-pulse}}@keyframes quiz-pulse{50%{box-shadow:0 0 0 7px #1b5fa822}}.explanation[data-astro-cid-rz4e6q3x]{background:#faf8ef;border-left:3px solid #b94524;margin:20px 24px 0;padding:20px}.explanation[data-astro-cid-rz4e6q3x] p[data-astro-cid-rz4e6q3x]{margin:0;font-size:.875rem;line-height:1.7}.explanation[data-astro-cid-rz4e6q3x] p[data-astro-cid-rz4e6q3x]+p[data-astro-cid-rz4e6q3x]{margin-top:10px}.explanation[data-astro-cid-rz4e6q3x] h4[data-astro-cid-rz4e6q3x]{margin:0 0 8px;font:600 1rem/1.4 Arial,sans-serif}.explanation[data-astro-cid-rz4e6q3x] .extra[data-astro-cid-rz4e6q3x]{color:#3f4d36;font:.8125rem/1.6 monospace}.practice[data-astro-cid-rz4e6q3x]{border-top:1px dashed #c9cebb;padding-top:10px}.part[data-astro-cid-rz4e6q3x]>.explanation[data-astro-cid-rz4e6q3x]:last-child{margin-bottom:20px}.quiz-bar[data-astro-cid-rz4e6q3x]{padding:16px 24px 20px}.quiz[data-astro-cid-rz4e6q3x]{background:#f1f6fb;border:1px solid #a8c2e0;border-radius:6px;margin-top:4px;padding:16px}.quiz-prompt[data-astro-cid-rz4e6q3x]{margin:0 0 12px;font-size:.95rem;font-weight:600}.quiz-prompt[data-astro-cid-rz4e6q3x]:focus-visible{outline-offset:3px;outline:2px solid #a64426}.quiz-options[data-astro-cid-rz4e6q3x]{gap:8px;display:grid}.option[data-astro-cid-rz4e6q3x]{text-align:left;min-height:44px;color:inherit;cursor:pointer;background:#fff;border:1px solid #9fb2c8;border-radius:4px;padding:10px 14px;font:.875rem/1.4 Arial,sans-serif}.option[data-astro-cid-rz4e6q3x]:hover:not(:disabled){background:#e8f0f9}.option[data-astro-cid-rz4e6q3x]:disabled{opacity:1;cursor:default}.option[data-astro-cid-rz4e6q3x][data-state=right]{background:#dfe9d3;border-color:#4f7a35;font-weight:600}.option[data-astro-cid-rz4e6q3x][data-state=wrong]{background:#f6d6cc;border-color:#a64426}.quiz-feedback[data-astro-cid-rz4e6q3x]{margin:12px 0 0;font-size:.875rem;line-height:1.6}.quiz-score[data-astro-cid-rz4e6q3x]{color:#555d49;margin:8px 0 0;font-size:.75rem}.quiz-actions[data-astro-cid-rz4e6q3x]{flex-wrap:wrap;align-items:center;gap:8px 16px;margin-top:12px;display:flex}.winding[data-astro-cid-rz4e6q3x]{fill:none;stroke:#7a4a21;stroke-width:6px;stroke-linejoin:round;stroke-linecap:round}.terminal[data-astro-cid-rz4e6q3x]{fill:#faf8ef;stroke:#47553c;stroke-width:2.5px}.joint[data-astro-cid-rz4e6q3x]{fill:#47553c}.svg-text[data-astro-cid-rz4e6q3x]{fill:#293322;paint-order:stroke;stroke:#e1e5d4;stroke-width:4px;font:700 15px monospace}[data-astro-cid-rz4e6q3x][data-connection=delta] .star-shape[data-astro-cid-rz4e6q3x],[data-astro-cid-rz4e6q3x][data-connection=star] .delta-shape[data-astro-cid-rz4e6q3x]{display:none}.meters[data-astro-cid-rz4e6q3x]{background:#faf8ef;border-block:1px solid #c9cebb;grid-template-columns:repeat(3,minmax(0,1fr));margin-top:12px;display:grid}.meters[data-astro-cid-rz4e6q3x].two{grid-template-columns:repeat(2,minmax(0,1fr))}.meter[data-astro-cid-rz4e6q3x]{flex-direction:column;gap:6px;min-width:0;padding:16px;display:flex}.meter[data-astro-cid-rz4e6q3x]+.meter[data-astro-cid-rz4e6q3x]{border-left:1px solid #d9dacb}.meter-name[data-astro-cid-rz4e6q3x]{font:.7rem/1.5 monospace}.meter[data-astro-cid-rz4e6q3x] strong[data-astro-cid-rz4e6q3x]{font-variant-numeric:tabular-nums;overflow-wrap:anywhere;font:600 clamp(1.1rem,2.2vw,1.5rem)/1.2 monospace}.unit[data-astro-cid-rz4e6q3x]{font-size:.6em;font-weight:400}.meter-note[data-astro-cid-rz4e6q3x]{color:#60664f;font-size:.7rem}[data-astro-cid-rz4e6q3x][data-connection-status=over] .current-meter[data-astro-cid-rz4e6q3x]{background:#f6d6cc}[data-astro-cid-rz4e6q3x][data-connection-status=low] .current-meter[data-astro-cid-rz4e6q3x]{background:#f5e8d7}[data-astro-cid-rz4e6q3x][data-connection-status=ok] .current-meter[data-astro-cid-rz4e6q3x]{background:#dfe9d3}.status-box[data-astro-cid-rz4e6q3x]{margin-bottom:20px}.controls[data-astro-cid-rz4e6q3x]{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;padding:20px 24px 0;display:grid}.control[data-astro-cid-rz4e6q3x]{min-width:0}.control[data-astro-cid-rz4e6q3x]>legend[data-astro-cid-rz4e6q3x]{font-size:.875rem;font-weight:600}.choices[data-astro-cid-rz4e6q3x]{flex-wrap:wrap;gap:8px;margin-top:8px;display:flex}.choice[data-astro-cid-rz4e6q3x]{cursor:pointer;background:#faf8ef;border:1px solid #bac3a9;border-radius:4px;align-items:center;gap:8px;min-height:44px;padding:8px 14px;font-size:.875rem;display:inline-flex}.choice[data-astro-cid-rz4e6q3x]:has(input:checked){color:#fff9ed;background:#34452c;border-color:#34452c}.choice[data-astro-cid-rz4e6q3x]:has(input:focus-visible){outline-offset:2px;outline:2px solid #a64426}.choice[data-astro-cid-rz4e6q3x] input[data-astro-cid-rz4e6q3x]{accent-color:#a64426;width:18px;height:18px;margin:0}.calc-source[data-astro-cid-rz4e6q3x]{grid-column:1/-1}.steps[data-astro-cid-rz4e6q3x]{gap:10px;margin:16px 0 0;padding:0 24px;list-style:none;display:grid}.steps[data-astro-cid-rz4e6q3x] li[data-astro-cid-rz4e6q3x]{background:#faf8ef;border:1px solid #d3d6c2;border-radius:4px;flex-direction:column;gap:2px;min-width:0;padding:10px 14px;display:flex}.step-name[data-astro-cid-rz4e6q3x]{color:#46543c;font-size:.8125rem}.steps[data-astro-cid-rz4e6q3x] strong[data-astro-cid-rz4e6q3x]{overflow-wrap:anywhere;font-variant-numeric:tabular-nums;font:600 .9rem/1.4 monospace}button[data-astro-cid-rz4e6q3x]{border-radius:4px;min-height:44px;font-size:.8125rem}.primary-button[data-astro-cid-rz4e6q3x]{color:#fff9ed;cursor:pointer;background:#34452c;border:1px solid #34452c;padding:10px 16px}.primary-button[data-astro-cid-rz4e6q3x]:hover{background:#465b3b}.quiet-button[data-astro-cid-rz4e6q3x]{text-underline-offset:3px;cursor:pointer;color:inherit;background:0 0;border:0;padding:10px 4px;text-decoration:underline}button[data-astro-cid-rz4e6q3x]:disabled,input[data-astro-cid-rz4e6q3x]:disabled{opacity:.5}.lab-bottom[data-astro-cid-rz4e6q3x]{border-top:1px solid #c1c9ae;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding:12px 24px;display:flex}.lab-bottom[data-astro-cid-rz4e6q3x]>span[data-astro-cid-rz4e6q3x]{color:#555d49;font-size:.75rem}.bottom-actions[data-astro-cid-rz4e6q3x]{flex-wrap:wrap;gap:12px;display:flex}.model-notes[data-astro-cid-rz4e6q3x]{border-top:1px solid #c9cebb;padding:16px 24px;font-size:.8125rem}.model-notes[data-astro-cid-rz4e6q3x] summary[data-astro-cid-rz4e6q3x]{min-height:28px}.model-notes[data-astro-cid-rz4e6q3x] p[data-astro-cid-rz4e6q3x]{line-height:1.7}.no-script[data-astro-cid-rz4e6q3x]{padding:0 24px 16px;font-size:.875rem}.no-script[data-astro-cid-rz4e6q3x] dt[data-astro-cid-rz4e6q3x]{margin-top:10px;font-weight:600}.no-script[data-astro-cid-rz4e6q3x] dd[data-astro-cid-rz4e6q3x]{margin:2px 0 0}.sr-only[data-astro-cid-rz4e6q3x]{clip-path:inset(50%);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@media (width<=700px){.controls[data-astro-cid-rz4e6q3x]{grid-template-columns:minmax(0,1fr)}}@media (width<=520px){.lab-header[data-astro-cid-rz4e6q3x]{padding:22px 16px}.topic-nav[data-astro-cid-rz4e6q3x],.lesson-panel[data-astro-cid-rz4e6q3x],.part-title[data-astro-cid-rz4e6q3x],.lab-bottom[data-astro-cid-rz4e6q3x]{padding-inline:16px}h2[data-astro-cid-rz4e6q3x]{font-size:1.7rem}.board[data-astro-cid-rz4e6q3x]{padding:12px 8px 14px}.plate[data-astro-cid-rz4e6q3x]{padding:30px 12px 18px}.fields[data-astro-cid-rz4e6q3x]{grid-template-columns:repeat(2,minmax(0,1fr))}.field[data-astro-cid-rz4e6q3x],.field[data-astro-cid-rz4e6q3x].wide{grid-column:span 1;padding-inline:8px}.field[data-astro-cid-rz4e6q3x]:first-child,.field[data-astro-cid-rz4e6q3x][data-field=voltage]{grid-column:span 2}.field-value[data-astro-cid-rz4e6q3x]{font-size:1.05rem}.meters[data-astro-cid-rz4e6q3x],.meters[data-astro-cid-rz4e6q3x].two{grid-template-columns:minmax(0,1fr)}.meter[data-astro-cid-rz4e6q3x]+.meter[data-astro-cid-rz4e6q3x]{border-top:1px solid #d9dacb;border-left:0}.controls[data-astro-cid-rz4e6q3x]{gap:20px;padding:20px 16px 0}.explanation[data-astro-cid-rz4e6q3x]{margin-inline:16px;padding:16px}.steps[data-astro-cid-rz4e6q3x],.quiz-bar[data-astro-cid-rz4e6q3x],.model-notes[data-astro-cid-rz4e6q3x],.no-script[data-astro-cid-rz4e6q3x]{padding-inline:16px}}.transformer-lab[data-astro-cid-khsghwcj]{background:#eeefe5;border:1px solid #bfc5af;border-radius:8px;margin-top:56px;scroll-margin-top:24px;font-size:1rem;line-height:1.5;position:relative;overflow:clip}.transformer-lab[data-astro-cid-khsghwcj] [data-astro-cid-khsghwcj][hidden]{display:none!important}.topic-anchor[data-astro-cid-khsghwcj]{scroll-margin-top:24px;position:absolute;top:0}.lab-header[data-astro-cid-khsghwcj]{padding:28px 28px 22px}.lab-eyebrow[data-astro-cid-khsghwcj]{color:#5c6550;letter-spacing:.12em;margin:0 0 10px;font:.7rem/1.5 monospace}h2[data-astro-cid-khsghwcj]{letter-spacing:-.03em;margin:0 0 12px;font:2rem/1.15 Georgia,serif}.lab-header[data-astro-cid-khsghwcj]>p[data-astro-cid-khsghwcj]:last-of-type{margin:0;font-size:.95rem}fieldset[data-astro-cid-khsghwcj]{border:0;min-width:0;margin:0;padding:0}legend[data-astro-cid-khsghwcj]{padding:0}.topic-nav[data-astro-cid-khsghwcj]{flex-wrap:wrap;gap:8px;padding:20px 24px;display:flex}.topic-nav[data-astro-cid-khsghwcj] a[data-astro-cid-khsghwcj]{background:#faf8ef;border:1px solid #bac3a9;border-radius:4px;align-items:center;min-height:44px;padding:8px 12px;font-size:.8125rem;text-decoration:none;display:inline-flex}.topic-nav[data-astro-cid-khsghwcj] a[data-astro-cid-khsghwcj][aria-current=true]{color:#fff9ed;background:#34452c;border-color:#34452c}.lesson-panel[data-astro-cid-khsghwcj]{border-block:1px solid #d7b78e;background:#fff5e4;border-left:4px solid #b94524;padding:20px 24px}.lesson-panel[data-astro-cid-khsghwcj] h3[data-astro-cid-khsghwcj]{margin:0 0 10px;font:600 1rem/1.4 Arial,sans-serif}.lesson-panel[data-astro-cid-khsghwcj] p[data-astro-cid-khsghwcj]{margin:0 0 12px;font-size:.875rem;line-height:1.6}.lesson-actions[data-astro-cid-khsghwcj]{flex-wrap:wrap;align-items:center;gap:8px 20px;display:flex}.return-reading[data-astro-cid-khsghwcj]{text-underline-offset:3px;color:#963d20;align-items:center;min-height:44px;font-size:.875rem;display:inline-flex}.reading-return-bottom[data-astro-cid-khsghwcj]{padding:0 24px 20px}.part[data-astro-cid-khsghwcj]{border-top:1px solid #c1c9ae}.part-title[data-astro-cid-khsghwcj]{letter-spacing:.08em;text-transform:uppercase;color:#5c6550;margin:0;padding:18px 24px 0;font:600 .75rem/1.5 monospace}[data-astro-cid-khsghwcj][data-topic] .part[data-astro-cid-khsghwcj]{box-shadow:inset 4px 0 #a64426}.board[data-astro-cid-khsghwcj]{background-color:#e1e5d4;background-image:radial-gradient(#a9b497 1px,#0000 1px);background-size:18px 18px;min-width:0;margin-top:12px;padding:12px 24px 16px}svg[data-astro-cid-khsghwcj]{width:100%;display:block;overflow:visible}.small[data-astro-cid-khsghwcj]{fill:#3f4d36;paint-order:stroke;stroke:#e1e5d4;stroke-width:4px;stroke-linejoin:round;font:12px Arial,sans-serif}.small[data-astro-cid-khsghwcj].strong{fill:#293322;font-weight:700}.core[data-astro-cid-khsghwcj]{fill:url(#trafo-blachy);stroke:#47553c;stroke-width:2.5px;stroke-linejoin:round}.coil[data-astro-cid-khsghwcj]{fill:none;stroke:#b0682a;stroke-width:4px;stroke-linecap:round}.wire[data-astro-cid-khsghwcj]{fill:none;stroke:#47553c;stroke-width:3px;stroke-linejoin:round}.part-box[data-astro-cid-khsghwcj]{fill:#faf8ef;stroke:#47553c;stroke-width:2.5px}.load[data-astro-cid-khsghwcj]{fill:color-mix(in srgb, #e1701a calc(var(--heat,0) * 100%), #faf8ef)}.src-sine[data-astro-cid-khsghwcj],.src-plate[data-astro-cid-khsghwcj]{fill:none;stroke:#293322;stroke-width:3px;stroke-linecap:round}.src-plate[data-astro-cid-khsghwcj].long{stroke-width:4px}.plus[data-astro-cid-khsghwcj]{fill:#293322;font:700 14px Arial,sans-serif}.flux[data-astro-cid-khsghwcj] polygon[data-astro-cid-khsghwcj]{fill:#1e6fb8;stroke:#fff9ed;stroke-width:1px}[data-astro-cid-khsghwcj][data-supply=ac] .only-dc[data-astro-cid-khsghwcj],[data-astro-cid-khsghwcj][data-supply=dc] .only-ac[data-astro-cid-khsghwcj]{display:none}[data-astro-cid-khsghwcj][data-flux=steady] .flux[data-astro-cid-khsghwcj] polygon[data-astro-cid-khsghwcj]{fill:#5a6a8a}.flow-caption[data-astro-cid-khsghwcj]{color:#46543c;margin:12px 0 0;font-size:.75rem;line-height:1.6}.meters[data-astro-cid-khsghwcj]{background:#faf8ef;border-block:1px solid #c9cebb;grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.meter[data-astro-cid-khsghwcj]{border-top:1px solid #d9dacb;flex-direction:column;gap:6px;min-width:0;padding:16px;display:flex}.meter[data-astro-cid-khsghwcj]:nth-child(-n+3){border-top:0}.meter[data-astro-cid-khsghwcj]:not(:nth-child(3n+1)){border-left:1px solid #d9dacb}.meter-name[data-astro-cid-khsghwcj]{font:.7rem/1.5 monospace}.meter[data-astro-cid-khsghwcj] strong[data-astro-cid-khsghwcj]{font-variant-numeric:tabular-nums;overflow-wrap:anywhere;font:600 clamp(1.1rem,2.2vw,1.5rem)/1.2 monospace}.meter-note[data-astro-cid-khsghwcj]{color:#60664f;font-size:.7rem}.power[data-astro-cid-khsghwcj] strong[data-astro-cid-khsghwcj]{color:#34452c}.controls[data-astro-cid-khsghwcj]{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;padding:24px;display:grid}.control[data-astro-cid-khsghwcj]{min-width:0}.wide[data-astro-cid-khsghwcj]{grid-column:1/-1}.control[data-astro-cid-khsghwcj] input[data-astro-cid-khsghwcj][type=range]{scroll-margin-top:120px}.control[data-astro-cid-khsghwcj]>label[data-astro-cid-khsghwcj]:first-child,.control[data-astro-cid-khsghwcj]>legend[data-astro-cid-khsghwcj],.control-title[data-astro-cid-khsghwcj]{justify-content:space-between;align-items:start;gap:12px;font-size:.875rem;font-weight:600;display:flex}output[data-astro-cid-khsghwcj]{white-space:nowrap;color:#963d20;font-family:monospace}input[data-astro-cid-khsghwcj][type=range]{accent-color:#a64426;cursor:pointer;width:100%;min-width:0;height:36px;margin:6px 0 0}.range-ends[data-astro-cid-khsghwcj]{color:#60664f;justify-content:space-between;font:.7rem/1.5 monospace;display:flex}.control[data-astro-cid-khsghwcj] p[data-astro-cid-khsghwcj]{color:#555d49;margin:10px 0 0;font-size:.75rem;line-height:1.6}.mode-control[data-astro-cid-khsghwcj]{flex-wrap:wrap;align-items:center;gap:8px 16px;display:flex}.mode-control[data-astro-cid-khsghwcj] legend[data-astro-cid-khsghwcj]{width:100%;margin-bottom:8px;display:block}.mode-control[data-astro-cid-khsghwcj] p[data-astro-cid-khsghwcj]{width:100%;margin:0}.choices[data-astro-cid-khsghwcj]{flex-wrap:wrap;gap:8px;margin-top:8px;display:flex}.choice[data-astro-cid-khsghwcj],.choice-button[data-astro-cid-khsghwcj]{cursor:pointer;min-height:44px;color:inherit;background:#faf8ef;border:1px solid #bac3a9;border-radius:4px;align-items:center;gap:8px;padding:8px 14px;font-family:inherit;font-size:.875rem;display:inline-flex}.choice[data-astro-cid-khsghwcj]:has(input:checked),.choice-button[data-astro-cid-khsghwcj][aria-pressed=true]{color:#fff9ed;background:#34452c;border-color:#34452c}.choice[data-astro-cid-khsghwcj]:has(input:focus-visible){outline-offset:2px;outline:2px solid #a64426}.choice[data-astro-cid-khsghwcj] input[data-astro-cid-khsghwcj]{accent-color:#a64426;width:18px;height:18px;margin:0}button[data-astro-cid-khsghwcj]{border-radius:4px;min-height:44px;font-size:.8125rem}.primary-button[data-astro-cid-khsghwcj]{color:#fff9ed;background:#34452c;border:1px solid #34452c;padding:10px 16px}.primary-button[data-astro-cid-khsghwcj]:hover{background:#465b3b}.quiet-button[data-astro-cid-khsghwcj]{text-underline-offset:3px;background:0 0;border:0;padding:10px 4px;text-decoration:underline}button[data-astro-cid-khsghwcj]:disabled,input[data-astro-cid-khsghwcj]:disabled{opacity:.5}.explanation[data-astro-cid-khsghwcj]{background:#faf8ef;border-left:3px solid #b94524;margin:0 24px 20px;padding:20px}.explanation[data-astro-cid-khsghwcj] p[data-astro-cid-khsghwcj]{margin:0;font-size:.875rem;line-height:1.7}.lab-bottom[data-astro-cid-khsghwcj]{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding:12px 24px;display:flex}.lab-bottom[data-astro-cid-khsghwcj]>span[data-astro-cid-khsghwcj]{color:#555d49;font-size:.75rem}.bottom-actions[data-astro-cid-khsghwcj]{flex-wrap:wrap;gap:12px;display:flex}.model-notes[data-astro-cid-khsghwcj]{border-top:1px solid #c9cebb;padding:16px 24px;font-size:.8125rem}.model-notes[data-astro-cid-khsghwcj] summary[data-astro-cid-khsghwcj]{min-height:28px}.model-notes[data-astro-cid-khsghwcj] p[data-astro-cid-khsghwcj]{line-height:1.7}.no-script[data-astro-cid-khsghwcj]{padding:0 24px}.sr-only[data-astro-cid-khsghwcj]{clip-path:inset(50%);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@media (width<=700px){.controls[data-astro-cid-khsghwcj]{grid-template-columns:minmax(0,1fr)}}@media (width<=520px){.lab-header[data-astro-cid-khsghwcj]{padding:22px 16px}.topic-nav[data-astro-cid-khsghwcj],.lesson-panel[data-astro-cid-khsghwcj],.part-title[data-astro-cid-khsghwcj],.lab-bottom[data-astro-cid-khsghwcj]{padding-inline:16px}h2[data-astro-cid-khsghwcj]{font-size:1.7rem}.board[data-astro-cid-khsghwcj]{padding:12px 8px 14px}.meters[data-astro-cid-khsghwcj]{grid-template-columns:repeat(2,minmax(0,1fr))}.meter[data-astro-cid-khsghwcj]{padding:12px}.meter[data-astro-cid-khsghwcj],.meter[data-astro-cid-khsghwcj]:nth-child(-n+3),.meter[data-astro-cid-khsghwcj]:not(:nth-child(3n+1)){border-top:1px solid #d9dacb;border-left:0}.meter[data-astro-cid-khsghwcj]:nth-child(-n+2){border-top:0}.meter[data-astro-cid-khsghwcj]:nth-child(2n){border-left:1px solid #d9dacb}.controls[data-astro-cid-khsghwcj]{gap:20px;padding:20px 16px}.explanation[data-astro-cid-khsghwcj]{margin-inline:16px;padding:16px}.model-notes[data-astro-cid-khsghwcj]{padding-inline:16px}.small[data-astro-cid-khsghwcj]{font-size:20px}}.conductor-lab[data-astro-cid-odfkralx]{background:#eeefe5;border:1px solid #bfc5af;border-radius:8px;margin-top:56px;scroll-margin-top:24px;font-size:1rem;line-height:1.5;position:relative;overflow:clip}.conductor-lab[data-astro-cid-odfkralx] [data-astro-cid-odfkralx][hidden]{display:none!important}.topic-anchor[data-astro-cid-odfkralx]{scroll-margin-top:24px;position:absolute;top:0}.lab-header[data-astro-cid-odfkralx]{padding:28px 28px 22px}.lab-eyebrow[data-astro-cid-odfkralx]{color:#5c6550;letter-spacing:.12em;margin:0 0 10px;font:.7rem/1.5 monospace}h2[data-astro-cid-odfkralx]{letter-spacing:-.03em;margin:0 0 12px;font:2rem/1.15 Georgia,serif}.lab-header[data-astro-cid-odfkralx]>p[data-astro-cid-odfkralx]:last-of-type{margin:0;font-size:.95rem}fieldset[data-astro-cid-odfkralx]{border:0;min-width:0;margin:0;padding:0}legend[data-astro-cid-odfkralx]{padding:0}.topic-nav[data-astro-cid-odfkralx]{flex-wrap:wrap;gap:8px;padding:4px 24px 12px;display:flex}.topic-nav[data-astro-cid-odfkralx] a[data-astro-cid-odfkralx]{background:#faf8ef;border:1px solid #bac3a9;border-radius:4px;align-items:center;min-height:44px;padding:8px 12px;font-size:.8125rem;text-decoration:none;display:inline-flex}.topic-nav[data-astro-cid-odfkralx] a[data-astro-cid-odfkralx][aria-current=true]{color:#fff9ed;background:#34452c;border-color:#34452c}.lesson-panel[data-astro-cid-odfkralx]{border-block:1px solid #d7b78e;background:#fff5e4;border-left:4px solid #b94524;padding:20px 24px}.lesson-panel[data-astro-cid-odfkralx] h3[data-astro-cid-odfkralx]{margin:0 0 10px;font:600 1rem/1.4 Arial,sans-serif}.lesson-panel[data-astro-cid-odfkralx] p[data-astro-cid-odfkralx]{margin:0 0 12px;font-size:.875rem;line-height:1.6}.lesson-actions[data-astro-cid-odfkralx]{flex-wrap:wrap;align-items:center;gap:8px 20px;display:flex}.return-reading[data-astro-cid-odfkralx]{text-underline-offset:3px;color:#963d20;align-items:center;min-height:44px;font-size:.875rem;display:inline-flex}.reading-return-bottom[data-astro-cid-odfkralx]{padding:0 24px 20px}.part[data-astro-cid-odfkralx]{border-top:1px solid #c1c9ae}[data-astro-cid-odfkralx][data-topic] .part[data-astro-cid-odfkralx]{box-shadow:inset 4px 0 #a64426}.board[data-astro-cid-odfkralx]{background-color:#e1e5d4;background-image:radial-gradient(#a9b497 1px,#0000 1px);background-size:18px 18px;min-width:0;margin-top:12px;padding:12px 24px}.diagram[data-astro-cid-odfkralx]{max-width:62.0606vh;margin-inline:auto;position:relative}svg[data-astro-cid-odfkralx]{width:100%;display:block;overflow:visible}.flow-caption[data-astro-cid-odfkralx]{color:#46543c;margin:6px 0 0;font-size:.75rem;line-height:1.5}.legend[data-astro-cid-odfkralx]{color:#46543c;flex-wrap:wrap;gap:2px 14px;margin:4px 0 0;font-size:.75rem;line-height:1.5;display:flex}.legend[data-astro-cid-odfkralx] span[data-astro-cid-odfkralx]{align-items:center;gap:5px;display:inline-flex}.key[data-astro-cid-odfkralx]{color:#fff;border-radius:50%;place-items:center;width:14px;height:14px;font:700 11px/1 Arial,sans-serif;display:inline-grid}.key-electron[data-astro-cid-odfkralx]{background:#2b6cb0;width:12px;height:12px}.key-positive[data-astro-cid-odfkralx]{background:#c4291c}.key-negative[data-astro-cid-odfkralx]{background:#1f4f86}.key-neutral[data-astro-cid-odfkralx]{background:#a3a89a}.key-marker[data-astro-cid-odfkralx]{background:#e1701a}.wire[data-astro-cid-odfkralx]{fill:none;stroke:#687959;stroke-width:6px;stroke-linecap:round;stroke-linejoin:round}.battery[data-astro-cid-odfkralx]{fill:none;stroke:#a64426;stroke-width:6px;stroke-linecap:round}.polarity[data-astro-cid-odfkralx]{fill:#a64426;font:700 22px monospace}.label[data-astro-cid-odfkralx]{fill:#3f4d36;paint-order:stroke;stroke:#e1e5d4;stroke-width:4px;stroke-linejoin:round;font:13px Arial,sans-serif}.material-label[data-astro-cid-odfkralx]{font-weight:700}.lever[data-astro-cid-odfkralx]{stroke:#a64426;stroke-width:6px;stroke-linecap:round}.joint[data-astro-cid-odfkralx]{fill:#f8f4e9;stroke:#47553c;stroke-width:3px}.bulb-halo[data-astro-cid-odfkralx]{fill:url(#conductor-bulb-glow);opacity:0}.bulb-glass[data-astro-cid-odfkralx]{fill:#f2efe0;stroke:#6d6a52;stroke-width:3px}.bulb-filament[data-astro-cid-odfkralx]{fill:none;stroke:#7d745a;stroke-width:3px;stroke-linecap:round;stroke-linejoin:round}[data-astro-cid-odfkralx][data-bulb=true] .bulb-halo[data-astro-cid-odfkralx]{opacity:.95}[data-astro-cid-odfkralx][data-bulb=true] .bulb-glass[data-astro-cid-odfkralx]{fill:#ffd24a}[data-astro-cid-odfkralx][data-bulb=true] .bulb-filament[data-astro-cid-odfkralx]{stroke:#ff8a1f}.sample[data-astro-cid-odfkralx]{fill:none;stroke:none}[data-astro-cid-odfkralx][data-material=miedz] .sample[data-astro-cid-odfkralx]{fill:#b8692f;stroke:#7d4419;stroke-width:2px}[data-astro-cid-odfkralx][data-material=aluminium] .sample[data-astro-cid-odfkralx]{fill:#c9ced3;stroke:#858b91;stroke-width:2px}[data-astro-cid-odfkralx][data-material=stal] .sample[data-astro-cid-odfkralx]{fill:#7b8086;stroke:#4d5156;stroke-width:2px}[data-astro-cid-odfkralx][data-material=guma] .sample[data-astro-cid-odfkralx]{fill:#33302c;stroke:#1b1a18;stroke-width:2px}[data-astro-cid-odfkralx][data-material=pvc] .sample[data-astro-cid-odfkralx]{fill:#e8e2cf;stroke:#9a927a;stroke-width:2px}[data-astro-cid-odfkralx][data-material=szklo] .sample[data-astro-cid-odfkralx]{fill:#d6ecf2;stroke:#7fa9b6;stroke-width:2px}[data-astro-cid-odfkralx][data-material=powietrze] .sample[data-astro-cid-odfkralx]{fill:none;stroke:#a9b497;stroke-width:1.5px;stroke-dasharray:4 4}[data-astro-cid-odfkralx][data-material=woda-destylowana] .sample[data-astro-cid-odfkralx]{fill:#e3f1fa;stroke:#6f9cc0;stroke-width:2px}[data-astro-cid-odfkralx][data-material=woda-z-kranu] .sample[data-astro-cid-odfkralx]{fill:#bcdcf0;stroke:#6f9cc0;stroke-width:2px}[data-astro-cid-odfkralx][data-material=woda-z-sola] .sample[data-astro-cid-odfkralx]{fill:#9cc6e4;stroke:#4f7ea6;stroke-width:2px;stroke-dasharray:2 3}.marker[data-astro-cid-odfkralx] circle[data-astro-cid-odfkralx]{fill:#f4f1e4;stroke:#8c937e;stroke-width:2px}.marker[data-astro-cid-odfkralx] path[data-astro-cid-odfkralx]{fill:none;stroke:#b94524;stroke-width:2.5px;stroke-linecap:round;stroke-linejoin:round;opacity:0}.marker[data-astro-cid-odfkralx][data-state=plynie] circle[data-astro-cid-odfkralx]{fill:#e1701a;stroke:#b94524}.marker[data-astro-cid-odfkralx][data-state=plynie] path[data-astro-cid-odfkralx]{stroke:#fff;opacity:1}.marker[data-astro-cid-odfkralx][data-state=maly] circle[data-astro-cid-odfkralx]{fill:#f8e3cb;stroke:#e1701a}.marker[data-astro-cid-odfkralx][data-state=maly] path[data-astro-cid-odfkralx]{opacity:1}.lens-cone[data-astro-cid-odfkralx]{fill:none;stroke:#8c937e;stroke-width:1.5px;stroke-dasharray:4 4}.lens[data-astro-cid-odfkralx]{fill:#f8f6ec}.lens-rim[data-astro-cid-odfkralx]{fill:none;stroke:#47553c;stroke-width:4px}.conductor-lab[data-astro-cid-odfkralx] .dot circle{stroke-width:1.5px}.conductor-lab[data-astro-cid-odfkralx] .dot text{fill:#fff;pointer-events:none;font:700 12px Arial,sans-serif}.conductor-lab[data-astro-cid-odfkralx] .dot-electron circle{fill:#2b6cb0;stroke:#1c4a7a}.conductor-lab[data-astro-cid-odfkralx] .dot-positive circle{fill:#c4291c;stroke:#8a1d14}.conductor-lab[data-astro-cid-odfkralx] .dot-negative circle{fill:#1f4f86;stroke:#12335a}.conductor-lab[data-astro-cid-odfkralx] .dot-neutral circle{fill:#a3a89a;stroke:#7c8273}.conductor-lab[data-astro-cid-odfkralx] .dot-arrow{fill:none;stroke:#b94524;stroke-width:2px;stroke-linecap:round;stroke-linejoin:round}.topic-highlight[data-astro-cid-odfkralx]{fill:#f8cf792b;stroke:#a64426;stroke-width:3px;stroke-dasharray:7 5;display:none}[data-astro-cid-odfkralx][data-topic=obwod] .highlight-switch[data-astro-cid-odfkralx],[data-astro-cid-odfkralx][data-topic=przewodnik] .highlight-gap[data-astro-cid-odfkralx],[data-astro-cid-odfkralx][data-topic=izolator] .highlight-gap[data-astro-cid-odfkralx],[data-astro-cid-odfkralx][data-topic=woda] .highlight-gap[data-astro-cid-odfkralx]{display:block}[data-astro-cid-odfkralx][data-topic=obwod] .marker[data-astro-cid-odfkralx] circle[data-astro-cid-odfkralx]{stroke:#a64426;stroke-width:3.5px}.diagram-switch[data-astro-cid-odfkralx]{cursor:pointer;background:0 0;border:1px dashed #a6442670;border-radius:7px;width:18%;height:20%;min-height:44px;position:absolute;top:2%;left:36%}.diagram-switch[data-astro-cid-odfkralx]:hover{background:#b9452410}.meters[data-astro-cid-odfkralx]{background:#faf8ef;border-block:1px solid #c9cebb;grid-template-columns:repeat(4,minmax(0,1fr));display:grid}.meter[data-astro-cid-odfkralx]{flex-direction:column;gap:4px;min-width:0;padding:12px 14px;display:flex}.meter[data-astro-cid-odfkralx]+.meter[data-astro-cid-odfkralx]{border-left:1px solid #d9dacb}.meter-name[data-astro-cid-odfkralx]{font:.7rem/1.5 monospace}.meter[data-astro-cid-odfkralx] strong[data-astro-cid-odfkralx]{overflow-wrap:anywhere;font:600 .9375rem/1.3 Arial,sans-serif}[data-astro-cid-odfkralx][data-bulb=true] .bulb-meter[data-astro-cid-odfkralx]{background:#fbf3d4}[data-astro-cid-odfkralx][data-current=plynie] .current-meter[data-astro-cid-odfkralx],[data-astro-cid-odfkralx][data-current=maly] .current-meter[data-astro-cid-odfkralx]{color:#963d20}.readout[data-astro-cid-odfkralx]{gap:10px;padding:14px 24px 16px;display:grid}.readout[data-astro-cid-odfkralx] p[data-astro-cid-odfkralx]{margin:0;font-size:.875rem;line-height:1.6}.card[data-astro-cid-odfkralx]{background:#faf8ef;border-left:3px solid #34452c;padding:10px 14px}.explanation[data-astro-cid-odfkralx]{background:#faf8ef;border-left:3px solid #b94524;padding:10px 14px}.panel[data-astro-cid-odfkralx]{min-width:0}.materials[data-astro-cid-odfkralx]{padding:16px 24px 4px}.materials[data-astro-cid-odfkralx]>legend[data-astro-cid-odfkralx]{margin-bottom:4px;font-size:.875rem;font-weight:600}.group[data-astro-cid-odfkralx]{border-radius:6px;margin-top:6px;padding:4px 6px 6px}.group[data-astro-cid-odfkralx]>legend[data-astro-cid-odfkralx]{color:#5c6550;padding:0;font:.7rem/1.5 monospace}[data-astro-cid-odfkralx][data-topic=przewodnik] .group-metal[data-astro-cid-odfkralx],[data-astro-cid-odfkralx][data-topic=izolator] .group-izolator[data-astro-cid-odfkralx],[data-astro-cid-odfkralx][data-topic=woda] .group-woda[data-astro-cid-odfkralx]{outline-offset:0;background:#fff5e4;outline:2px solid #a64426}.choices[data-astro-cid-odfkralx]{flex-wrap:wrap;gap:6px;margin-top:2px;display:flex}.choice[data-astro-cid-odfkralx]{cursor:pointer;background:#faf8ef;border:1px solid #bac3a9;border-radius:4px;align-items:center;gap:8px;min-height:44px;padding:6px 12px;font-size:.875rem;display:inline-flex}.choice[data-astro-cid-odfkralx]:has(input:checked){color:#fff9ed;background:#34452c;border-color:#34452c}.choice[data-astro-cid-odfkralx]:has(input:focus-visible){outline-offset:2px;outline:2px solid #a64426}.choice[data-astro-cid-odfkralx] input[data-astro-cid-odfkralx]{accent-color:#a64426;width:18px;height:18px;margin:0}.switch-row[data-astro-cid-odfkralx]{padding:10px 24px 18px}[data-astro-cid-odfkralx][data-topic=obwod] .switch-row[data-astro-cid-odfkralx] .primary-button[data-astro-cid-odfkralx],[data-astro-cid-odfkralx][data-topic=obwod] .diagram-switch[data-astro-cid-odfkralx]{outline-offset:3px;outline:3px solid #a64426}button[data-astro-cid-odfkralx]{border-radius:4px;min-height:44px;font-size:.8125rem}.primary-button[data-astro-cid-odfkralx]{color:#fff9ed;cursor:pointer;background:#34452c;border:1px solid #34452c;padding:10px 16px}.primary-button[data-astro-cid-odfkralx]:hover{background:#465b3b}.primary-button[data-astro-cid-odfkralx]>span[data-astro-cid-odfkralx]:first-child{margin-right:8px}.quiet-button[data-astro-cid-odfkralx]{text-underline-offset:3px;cursor:pointer;background:0 0;border:0;padding:10px 4px;text-decoration:underline}button[data-astro-cid-odfkralx]:disabled,input[data-astro-cid-odfkralx]:disabled{opacity:.5}.lab-bottom[data-astro-cid-odfkralx]{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding:12px 24px;display:flex}.lab-bottom[data-astro-cid-odfkralx]>span[data-astro-cid-odfkralx]{color:#555d49;font-size:.75rem}.bottom-actions[data-astro-cid-odfkralx]{flex-wrap:wrap;gap:12px;display:flex}.model-notes[data-astro-cid-odfkralx]{border-top:1px solid #c9cebb;padding:16px 24px;font-size:.8125rem}.model-notes[data-astro-cid-odfkralx] summary[data-astro-cid-odfkralx]{min-height:28px}.model-notes[data-astro-cid-odfkralx] p[data-astro-cid-odfkralx]{line-height:1.7}.no-script[data-astro-cid-odfkralx]{padding:0 24px}.sr-only[data-astro-cid-odfkralx]{clip-path:inset(50%);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@container (width>=900px){.conductor-lab[data-astro-cid-odfkralx] .lesson-panel[data-astro-cid-odfkralx] [data-astro-cid-odfkralx][data-lesson-description]{grid-area:2/1/span 2}.conductor-lab[data-astro-cid-odfkralx] .lesson-panel[data-astro-cid-odfkralx] .lesson-task[data-astro-cid-odfkralx]{grid-area:1/2/span 2}.conductor-lab[data-astro-cid-odfkralx] .lesson-panel[data-astro-cid-odfkralx] .lesson-actions[data-astro-cid-odfkralx]{grid-area:3/2}.conductor-lab[data-astro-cid-odfkralx] .lesson-panel[data-astro-cid-odfkralx] .return-reading[data-astro-cid-odfkralx]{min-height:32px}.board[data-astro-cid-odfkralx]{padding:8px 16px}.flow-caption[data-astro-cid-odfkralx]{margin-top:2px}.meter[data-astro-cid-odfkralx]{gap:0;padding:6px 12px}.meter[data-astro-cid-odfkralx] strong[data-astro-cid-odfkralx]{font-size:.875rem}.readout[data-astro-cid-odfkralx]{grid-template-columns:repeat(2,minmax(0,1fr));padding:10px 16px 12px}.readout[data-astro-cid-odfkralx] p[data-astro-cid-odfkralx]{font-size:.8125rem;line-height:1.5}.materials[data-astro-cid-odfkralx]{padding:12px 18px 0}.choice[data-astro-cid-odfkralx]{min-height:36px;padding:4px 10px;font-size:.8125rem}.switch-row[data-astro-cid-odfkralx]{padding:10px 18px 14px}}@media (width<=700px){.meters[data-astro-cid-odfkralx]{grid-template-columns:repeat(2,minmax(0,1fr))}.meter[data-astro-cid-odfkralx]:nth-child(3){border-left:0}.meter[data-astro-cid-odfkralx]:nth-child(n+3){border-top:1px solid #d9dacb}}@media (width<=520px){.lab-header[data-astro-cid-odfkralx]{padding:22px 16px}.topic-nav[data-astro-cid-odfkralx],.lesson-panel[data-astro-cid-odfkralx],.lab-bottom[data-astro-cid-odfkralx],.materials[data-astro-cid-odfkralx],.switch-row[data-astro-cid-odfkralx],.readout[data-astro-cid-odfkralx]{padding-inline:16px}h2[data-astro-cid-odfkralx]{font-size:1.7rem}.board[data-astro-cid-odfkralx]{padding:12px 8px}.flow-caption[data-astro-cid-odfkralx],.legend[data-astro-cid-odfkralx]{padding-inline:8px}.choices[data-astro-cid-odfkralx]{grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.label[data-astro-cid-odfkralx]{font-size:22px}.polarity[data-astro-cid-odfkralx]{font-size:28px}.conductor-lab[data-astro-cid-odfkralx] .dot text{font-size:13px}.model-notes[data-astro-cid-odfkralx]{padding-inline:16px}}@media (prefers-reduced-motion:reduce){.conductor-lab[data-astro-cid-odfkralx] [data-astro-cid-odfkralx]{transition:none!important;animation:none!important}}.electron-lab[data-astro-cid-oalglele]{background:#eeefe5;border:1px solid #bfc5af;border-radius:8px;margin-top:56px;scroll-margin-top:24px;font-size:1rem;line-height:1.5;position:relative;overflow:clip}.electron-lab[data-astro-cid-oalglele] [data-astro-cid-oalglele][hidden]{display:none!important}.topic-anchor[data-astro-cid-oalglele]{scroll-margin-top:24px;position:absolute;top:0}.lab-header[data-astro-cid-oalglele]{padding:28px 28px 22px}.lab-eyebrow[data-astro-cid-oalglele]{color:#5c6550;letter-spacing:.12em;margin:0 0 10px;font:.7rem/1.5 monospace}h2[data-astro-cid-oalglele]{letter-spacing:-.03em;margin:0 0 12px;font:2rem/1.15 Georgia,serif}.lab-header[data-astro-cid-oalglele]>p[data-astro-cid-oalglele]:last-of-type{margin:0;font-size:.95rem}fieldset[data-astro-cid-oalglele]{border:0;min-width:0;margin:0;padding:0}legend[data-astro-cid-oalglele]{padding:0}.topic-nav[data-astro-cid-oalglele]{flex-wrap:wrap;gap:8px;padding:4px 24px 12px;display:flex}.topic-nav[data-astro-cid-oalglele] a[data-astro-cid-oalglele]{background:#faf8ef;border:1px solid #bac3a9;border-radius:4px;align-items:center;min-height:44px;padding:8px 12px;font-size:.8125rem;text-decoration:none;display:inline-flex}.topic-nav[data-astro-cid-oalglele] a[data-astro-cid-oalglele][aria-current=true]{color:#fff9ed;background:#34452c;border-color:#34452c}.lesson-panel[data-astro-cid-oalglele]{border-block:1px solid #d7b78e;background:#fff5e4;border-left:4px solid #b94524;padding:20px 24px}.lesson-panel[data-astro-cid-oalglele] h3[data-astro-cid-oalglele]{margin:0 0 10px;font:600 1rem/1.4 Arial,sans-serif}.lesson-panel[data-astro-cid-oalglele] p[data-astro-cid-oalglele]{margin:0 0 12px;font-size:.875rem;line-height:1.6}.lesson-actions[data-astro-cid-oalglele]{flex-wrap:wrap;align-items:center;gap:8px 20px;display:flex}.return-reading[data-astro-cid-oalglele]{text-underline-offset:3px;color:#963d20;align-items:center;min-height:44px;font-size:.875rem;display:inline-flex}.reading-return-bottom[data-astro-cid-oalglele]{padding:0 24px 20px}.part[data-astro-cid-oalglele]{border-top:1px solid #c1c9ae}[data-astro-cid-oalglele][data-topic] .part[data-astro-cid-oalglele]{box-shadow:inset 4px 0 #a64426}.board[data-astro-cid-oalglele]{background-color:#e1e5d4;background-image:radial-gradient(#a9b497 1px,#0000 1px);background-size:18px 18px;min-width:0;margin-top:12px;padding:12px 24px}.diagram[data-astro-cid-oalglele]{max-width:61.4493vh;margin-inline:auto;position:relative}svg[data-astro-cid-oalglele]{width:100%;display:block;overflow:visible}.flow-caption[data-astro-cid-oalglele]{color:#46543c;margin:6px 0 0;font-size:.75rem;line-height:1.5}.mini-wire[data-astro-cid-oalglele]{fill:none;stroke:#687959;stroke-width:3px;stroke-linecap:round;stroke-linejoin:round}.battery[data-astro-cid-oalglele] path[data-astro-cid-oalglele]{fill:none;stroke:#a64426;stroke-width:3.5px;stroke-linecap:round}.battery-reversed[data-astro-cid-oalglele],[data-astro-cid-oalglele][data-polarity=reversed] .battery-normal[data-astro-cid-oalglele]{display:none}[data-astro-cid-oalglele][data-polarity=reversed] .battery-reversed[data-astro-cid-oalglele]{display:inline}.pole[data-astro-cid-oalglele]{fill:#a64426;font:700 15px monospace}.mini-label[data-astro-cid-oalglele]{fill:#3f4d36;paint-order:stroke;stroke:#e1e5d4;stroke-width:3px;stroke-linejoin:round;font:13px Arial,sans-serif}.mini-lever[data-astro-cid-oalglele]{stroke:#a64426;stroke-width:3.5px;stroke-linecap:round}.mini-joint[data-astro-cid-oalglele]{fill:#f8f4e9;stroke:#47553c;stroke-width:2px}.mini-bulb[data-astro-cid-oalglele]{fill:#f2efe0;stroke:#6d6a52;stroke-width:2px}.mini-filament[data-astro-cid-oalglele]{fill:none;stroke:#7d745a;stroke-width:1.5px;stroke-linejoin:round}[data-astro-cid-oalglele][data-closed=true] .mini-bulb[data-astro-cid-oalglele]{fill:#ffd24a}[data-astro-cid-oalglele][data-closed=true] .mini-filament[data-astro-cid-oalglele]{stroke:#ff8a1f}.look-frame[data-astro-cid-oalglele]{fill:#f8cf7930;stroke:#a64426;stroke-width:2px;stroke-dasharray:5 4}.look-label[data-astro-cid-oalglele]{fill:#963d20;font-weight:700}.label[data-astro-cid-oalglele]{fill:#3f4d36;paint-order:stroke;stroke:#e1e5d4;stroke-width:4px;stroke-linejoin:round;font:14px Arial,sans-serif}.end-label[data-astro-cid-oalglele]{font-weight:700}.wire-band[data-astro-cid-oalglele]{fill:#e7b48a}.wire-rim[data-astro-cid-oalglele]{fill:none;stroke:#9a5a2c;stroke-width:3px}.atom[data-astro-cid-oalglele]{fill:#b9bcb2;stroke:#8e9287;stroke-width:1.5px}.trace[data-astro-cid-oalglele]{fill:none;stroke:#b94524;stroke-width:2.5px;stroke-linecap:round;stroke-linejoin:round;opacity:0}[data-astro-cid-oalglele][data-traced=true] .trace[data-astro-cid-oalglele]{opacity:.9}.section-line[data-astro-cid-oalglele]{stroke:#34452c;stroke-width:2.5px;stroke-dasharray:6 5}.section-label[data-astro-cid-oalglele]{font-weight:700}.arrow[data-astro-cid-oalglele]{fill:none;stroke-width:4px;stroke-linecap:round;stroke-linejoin:round}.arrow-current[data-astro-cid-oalglele]{stroke:#e1701a}.arrow-electrons[data-astro-cid-oalglele]{stroke:#2b6cb0}.current-label[data-astro-cid-oalglele]{fill:#a8501a;font-weight:700}.electrons-label[data-astro-cid-oalglele]{fill:#1c4a7a;font-weight:700}[data-astro-cid-oalglele][data-closed=false] .arrow-current[data-astro-cid-oalglele]{stroke-dasharray:8 6;opacity:.6}.electron-lab[data-astro-cid-oalglele] .electron circle{fill:#2b6cb0;stroke:#1c4a7a;stroke-width:1.5px}.electron-lab[data-astro-cid-oalglele] .electron text{fill:#fff;pointer-events:none;font:700 12px Arial,sans-serif}.electron-lab[data-astro-cid-oalglele] .electron-arrow{fill:none;stroke:#1c4a7a;stroke-width:2px;stroke-linecap:round;stroke-linejoin:round}.electron-lab[data-astro-cid-oalglele][data-traced=true] .electron-traced circle{fill:#e1701a;stroke:#963d20;stroke-width:2.5px}.topic-highlight[data-astro-cid-oalglele]{fill:#f8cf792b;stroke:#a64426;stroke-width:3px;stroke-dasharray:7 5;display:none}[data-astro-cid-oalglele][data-topic=ruch] .highlight-band[data-astro-cid-oalglele],[data-astro-cid-oalglele][data-topic=kierunek] .highlight-arrows[data-astro-cid-oalglele]{display:block}[data-astro-cid-oalglele][data-topic=liczba] .section-line[data-astro-cid-oalglele]{stroke:#a64426;stroke-width:4px;stroke-dasharray:none}[data-astro-cid-oalglele][data-topic=liczba] .section-label[data-astro-cid-oalglele]{fill:#a64426}.race[data-astro-cid-oalglele]{gap:6px;padding:10px 24px 12px;display:grid}.race-title[data-astro-cid-oalglele]{margin:0;font:600 .875rem/1.4 Arial,sans-serif}.race-row[data-astro-cid-oalglele]{grid-template-columns:68px minmax(80px,1fr) minmax(0,1.4fr);align-items:center;gap:4px 12px;display:grid}.race-name[data-astro-cid-oalglele]{font:.75rem/1.4 monospace}.race-track[data-astro-cid-oalglele]{background:#f8f6ec;border:1px solid #c9cebb;border-radius:6px;height:12px;position:relative;overflow:hidden}.race-bar[data-astro-cid-oalglele]{display:block;position:absolute;inset:0 auto 0 0}.signal-bar[data-astro-cid-oalglele]{background:#e1701a}.electron-bar[data-astro-cid-oalglele]{background:#2b6cb0;min-width:2px}.race-value[data-astro-cid-oalglele]{overflow-wrap:anywhere;font:600 .8125rem/1.35 Arial,sans-serif}.race-note[data-astro-cid-oalglele]{color:#46543c;margin:0;font-size:.75rem;line-height:1.5}[data-astro-cid-oalglele][data-topic=tempo] .race[data-astro-cid-oalglele]{outline-offset:-2px;background:#fff5e4;outline:2px solid #a64426}.meters[data-astro-cid-oalglele]{background:#faf8ef;border-block:1px solid #c9cebb;grid-template-columns:minmax(0,.8fr) minmax(0,1.3fr) minmax(0,1fr) minmax(0,1.4fr);display:grid}.meter[data-astro-cid-oalglele]{flex-direction:column;gap:4px;min-width:0;padding:12px 14px;display:flex}.meter[data-astro-cid-oalglele]+.meter[data-astro-cid-oalglele]{border-left:1px solid #d9dacb}.meter-name[data-astro-cid-oalglele]{font:.7rem/1.5 monospace}.meter[data-astro-cid-oalglele] strong[data-astro-cid-oalglele]{overflow-wrap:anywhere;font:600 .9375rem/1.3 Arial,sans-serif}.meter-note[data-astro-cid-oalglele]{color:#555d49;font-size:.7rem;line-height:1.3}[data-astro-cid-oalglele][data-closed=true] .motion-meter[data-astro-cid-oalglele]{color:#1c4a7a}[data-astro-cid-oalglele][data-topic=liczba] .count-meter[data-astro-cid-oalglele]{background:#fff5e4;box-shadow:inset 0 0 0 2px #a64426}.readout[data-astro-cid-oalglele]{padding:12px 24px 14px}.readout[data-astro-cid-oalglele] p[data-astro-cid-oalglele]{margin:0;font-size:.875rem;line-height:1.6}.explanation[data-astro-cid-oalglele]{background:#faf8ef;border-left:3px solid #b94524;padding:10px 14px}.panel[data-astro-cid-oalglele]{min-width:0}.controls-list[data-astro-cid-oalglele]{justify-items:start;gap:10px;padding:16px 24px 18px;display:grid}.check[data-astro-cid-oalglele]{cursor:pointer;background:#faf8ef;border:1px solid #bac3a9;border-radius:4px;align-items:center;gap:10px;min-height:44px;padding:6px 12px;font-size:.875rem;display:inline-flex}.check[data-astro-cid-oalglele]:has(input:checked){color:#fff9ed;background:#34452c;border-color:#34452c}.check[data-astro-cid-oalglele]:has(input:focus-visible){outline-offset:2px;outline:2px solid #a64426}.check[data-astro-cid-oalglele] input[data-astro-cid-oalglele]{accent-color:#a64426;width:18px;height:18px;margin:0}.race-buttons[data-astro-cid-oalglele]>legend[data-astro-cid-oalglele]{color:#5c6550;margin-bottom:4px;font:.7rem/1.5 monospace}.race-actions[data-astro-cid-oalglele]{flex-wrap:wrap;gap:8px;display:flex}[data-astro-cid-oalglele][data-topic=ruch] .check-trace[data-astro-cid-oalglele],[data-astro-cid-oalglele][data-topic=kierunek] .check-arrow[data-astro-cid-oalglele],[data-astro-cid-oalglele][data-topic=kierunek] .reverse-button[data-astro-cid-oalglele],[data-astro-cid-oalglele][data-topic=tempo] .race-actions[data-astro-cid-oalglele] button[data-astro-cid-oalglele],[data-astro-cid-oalglele][data-topic=liczba] .controls-list[data-astro-cid-oalglele] [data-astro-cid-oalglele][data-action=switch]{outline-offset:3px;outline:3px solid #a64426}button[data-astro-cid-oalglele]{border-radius:4px;min-height:44px;font-size:.8125rem}.primary-button[data-astro-cid-oalglele]{color:#fff9ed;cursor:pointer;background:#34452c;border:1px solid #34452c;padding:10px 16px}.primary-button[data-astro-cid-oalglele]:hover{background:#465b3b}.primary-button[data-astro-cid-oalglele]>span[data-astro-cid-oalglele]:first-child{margin-right:8px}.secondary-button[data-astro-cid-oalglele]{color:#293322;cursor:pointer;background:#faf8ef;border:1px solid #8e9a7b;padding:10px 14px}.secondary-button[data-astro-cid-oalglele]:hover:not(:disabled){background:#f1ecd6}.quiet-button[data-astro-cid-oalglele]{text-underline-offset:3px;cursor:pointer;background:0 0;border:0;padding:10px 4px;text-decoration:underline}button[data-astro-cid-oalglele]:disabled,input[data-astro-cid-oalglele]:disabled{opacity:.5;cursor:default}.lab-bottom[data-astro-cid-oalglele]{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding:12px 24px;display:flex}.lab-bottom[data-astro-cid-oalglele]>span[data-astro-cid-oalglele]{color:#555d49;font-size:.75rem}.bottom-actions[data-astro-cid-oalglele]{flex-wrap:wrap;gap:12px;display:flex}.model-notes[data-astro-cid-oalglele]{border-top:1px solid #c9cebb;padding:16px 24px;font-size:.8125rem}.model-notes[data-astro-cid-oalglele] summary[data-astro-cid-oalglele]{min-height:28px}.model-notes[data-astro-cid-oalglele] p[data-astro-cid-oalglele]{line-height:1.7}.no-script[data-astro-cid-oalglele]{padding:0 24px}.sr-only[data-astro-cid-oalglele]{clip-path:inset(50%);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@container (width>=900px){.electron-lab[data-astro-cid-oalglele].one-screen .part-body[data-astro-cid-oalglele]{grid-template-columns:minmax(0,2.4fr) minmax(240px,1fr)}.electron-lab[data-astro-cid-oalglele].one-screen .lab-header[data-astro-cid-oalglele]{padding-right:320px}.electron-lab[data-astro-cid-oalglele] .lesson-panel[data-astro-cid-oalglele] [data-astro-cid-oalglele][data-lesson-description]{grid-area:2/1/span 2}.electron-lab[data-astro-cid-oalglele] .lesson-panel[data-astro-cid-oalglele] .lesson-task[data-astro-cid-oalglele]{grid-area:1/2/span 2}.electron-lab[data-astro-cid-oalglele] .lesson-panel[data-astro-cid-oalglele] .lesson-actions[data-astro-cid-oalglele]{grid-area:3/2}.electron-lab[data-astro-cid-oalglele] .lesson-panel[data-astro-cid-oalglele] .return-reading[data-astro-cid-oalglele]{min-height:32px}.board[data-astro-cid-oalglele]{padding:8px 16px}.flow-caption[data-astro-cid-oalglele]{margin-top:2px}.race[data-astro-cid-oalglele]{gap:4px;padding:8px 16px 10px}.meters[data-astro-cid-oalglele]{grid-template-columns:auto minmax(0,1fr) auto minmax(0,1.1fr)}.meter[data-astro-cid-oalglele]{gap:0;padding:6px 10px}.meter[data-astro-cid-oalglele] strong[data-astro-cid-oalglele]{font-size:.8125rem}.readout[data-astro-cid-oalglele]{padding:8px 16px 10px}.readout[data-astro-cid-oalglele] p[data-astro-cid-oalglele]{font-size:.8125rem;line-height:1.5}.electron-lab[data-astro-cid-oalglele].one-screen .explanation[data-astro-cid-oalglele]{margin:0;padding:8px 14px}.controls-list[data-astro-cid-oalglele]{gap:8px;padding:14px 18px}.check[data-astro-cid-oalglele]{min-height:36px;padding:4px 10px;font-size:.8125rem}.controls-list[data-astro-cid-oalglele] button[data-astro-cid-oalglele]{min-height:38px}}@media (width<=700px){.meters[data-astro-cid-oalglele]{grid-template-columns:repeat(2,minmax(0,1fr))}.meter[data-astro-cid-oalglele]:nth-child(3){border-left:0}.meter[data-astro-cid-oalglele]:nth-child(n+3){border-top:1px solid #d9dacb}.race-row[data-astro-cid-oalglele]{grid-template-columns:68px minmax(0,1fr)}.race-value[data-astro-cid-oalglele]{grid-column:1/-1}}@media (width<=520px){.lab-header[data-astro-cid-oalglele]{padding:22px 16px}.topic-nav[data-astro-cid-oalglele],.lesson-panel[data-astro-cid-oalglele],.lab-bottom[data-astro-cid-oalglele],.controls-list[data-astro-cid-oalglele],.readout[data-astro-cid-oalglele],.race[data-astro-cid-oalglele]{padding-inline:16px}h2[data-astro-cid-oalglele]{font-size:1.7rem}.board[data-astro-cid-oalglele]{padding:12px 8px}.flow-caption[data-astro-cid-oalglele]{padding-inline:8px}.label[data-astro-cid-oalglele]{font-size:20px}.mini-label[data-astro-cid-oalglele]{font-size:17px}.pole[data-astro-cid-oalglele]{font-size:20px}.electron-lab[data-astro-cid-oalglele] .electron[data-extra]{display:none}.model-notes[data-astro-cid-oalglele]{padding-inline:16px}}@media (prefers-reduced-motion:reduce){.electron-lab[data-astro-cid-oalglele] [data-astro-cid-oalglele]{transition:none!important;animation:none!important}}.power-path-lab[data-astro-cid-n2vb4me6]{--blue:#2b6cb0;background:#eeefe5;border:1px solid #bfc5af;border-radius:8px;margin-top:56px;scroll-margin-top:24px;font-size:1rem;line-height:1.5;position:relative;overflow:clip}.power-path-lab[data-astro-cid-n2vb4me6] [data-astro-cid-n2vb4me6][hidden]{display:none!important}.topic-anchor[data-astro-cid-n2vb4me6]{scroll-margin-top:24px;position:absolute;top:0}.lab-header[data-astro-cid-n2vb4me6]{padding:28px 28px 22px}.lab-eyebrow[data-astro-cid-n2vb4me6]{color:#5c6550;letter-spacing:.12em;margin:0 0 10px;font:.7rem/1.5 monospace}h2[data-astro-cid-n2vb4me6]{letter-spacing:-.03em;margin:0 0 12px;font:2rem/1.15 Georgia,serif}.lab-header[data-astro-cid-n2vb4me6]>p[data-astro-cid-n2vb4me6]:last-of-type{margin:0;font-size:.95rem}fieldset[data-astro-cid-n2vb4me6]{border:0;min-width:0;margin:0;padding:0}legend[data-astro-cid-n2vb4me6]{padding:0}.topic-nav[data-astro-cid-n2vb4me6]{flex-wrap:wrap;gap:8px;padding:4px 24px 12px;display:flex}.topic-nav[data-astro-cid-n2vb4me6] a[data-astro-cid-n2vb4me6]{background:#faf8ef;border:1px solid #bac3a9;border-radius:4px;align-items:center;min-height:44px;padding:8px 12px;font-size:.8125rem;text-decoration:none;display:inline-flex}.topic-nav[data-astro-cid-n2vb4me6] a[data-astro-cid-n2vb4me6][aria-current=true]{color:#fff9ed;background:#34452c;border-color:#34452c}.lesson-panel[data-astro-cid-n2vb4me6]{border-block:1px solid #d7b78e;background:#fff5e4;border-left:4px solid #b94524;padding:20px 24px}.lesson-panel[data-astro-cid-n2vb4me6] h3[data-astro-cid-n2vb4me6]{margin:0 0 10px;font:600 1rem/1.4 Arial,sans-serif}.lesson-panel[data-astro-cid-n2vb4me6] p[data-astro-cid-n2vb4me6]{margin:0 0 12px;font-size:.875rem;line-height:1.6}.lesson-actions[data-astro-cid-n2vb4me6]{flex-wrap:wrap;align-items:center;gap:8px 20px;display:flex}.return-reading[data-astro-cid-n2vb4me6]{text-underline-offset:3px;color:#963d20;align-items:center;min-height:44px;font-size:.875rem;display:inline-flex}.reading-return-bottom[data-astro-cid-n2vb4me6]{padding:0 24px 20px}.part[data-astro-cid-n2vb4me6]{border-top:1px solid #c1c9ae}.part-title[data-astro-cid-n2vb4me6]{letter-spacing:.08em;text-transform:uppercase;color:#5c6550;margin:0;padding:18px 24px 0;font:600 .75rem/1.5 monospace}[data-astro-cid-n2vb4me6][data-topic] .part[data-astro-cid-n2vb4me6]{box-shadow:inset 4px 0 #a64426}.board[data-astro-cid-n2vb4me6]{background-color:#e1e5d4;background-image:radial-gradient(#a9b497 1px,#0000 1px);background-size:18px 18px;min-width:0;margin-top:12px;padding:12px 24px 16px}svg[data-astro-cid-n2vb4me6]{width:100%;display:block;overflow:visible}svg[data-astro-cid-n2vb4me6]+svg[data-astro-cid-n2vb4me6]{margin-top:8px}.axis[data-astro-cid-n2vb4me6],.axis-tick[data-astro-cid-n2vb4me6]{stroke:#47553c;stroke-width:1.5px}.level[data-astro-cid-n2vb4me6]{stroke:#9aa588;stroke-width:1px;stroke-dasharray:4 5}.tick[data-astro-cid-n2vb4me6],.legend[data-astro-cid-n2vb4me6] text[data-astro-cid-n2vb4me6]{fill:#3f4d36;paint-order:stroke;stroke:#e1e5d4;stroke-width:4px;stroke-linejoin:round;font:11px Arial,sans-serif}.band-label[data-astro-cid-n2vb4me6]{fill:#963d20;font-weight:700}.legend[data-astro-cid-n2vb4me6] text[data-astro-cid-n2vb4me6]{font-size:12px}.wave[data-astro-cid-n2vb4me6]{fill:none;stroke-width:3px;stroke-linejoin:round}.band-pair[data-astro-cid-n2vb4me6] .wave[data-astro-cid-n2vb4me6]{stroke-width:2.5px}[data-astro-cid-n2vb4me6][data-phases="1"] [data-astro-cid-n2vb4me6]:is(.wave-1,.wave-2,.dot-1,.dot-2,.legend-3){display:none}.wave-1[data-astro-cid-n2vb4me6]{stroke-dasharray:10 4}.wave-2[data-astro-cid-n2vb4me6]{stroke-dasharray:2 5;stroke-linecap:round}.wave-line[data-astro-cid-n2vb4me6],.dot-line[data-astro-cid-n2vb4me6],.legend-line[data-astro-cid-n2vb4me6],[data-astro-cid-n2vb4me6][data-chart=line] .band-full[data-astro-cid-n2vb4me6] [data-astro-cid-n2vb4me6]:is(.wave-0,.wave-1,.wave-2,.dot-0,.dot-1,.dot-2),[data-astro-cid-n2vb4me6][data-chart=line] .legend[data-astro-cid-n2vb4me6] [data-astro-cid-n2vb4me6]:is(.legend-1,.legend-3){display:none}[data-astro-cid-n2vb4me6][data-chart=line] [data-astro-cid-n2vb4me6]:is(.wave-line,.dot-line,.legend-line){display:inline}.dot[data-astro-cid-n2vb4me6]{stroke:#fff9ed;stroke-width:2px}.cursor[data-astro-cid-n2vb4me6]{stroke:#a64426;stroke-width:1.5px;stroke-dasharray:3 3}.band-pair[data-astro-cid-n2vb4me6]{display:none}[data-astro-cid-n2vb4me6]:is([data-place=trafo-gora],[data-place=stacja-110],[data-place=stacja-15],[data-place=trafo-osiedle]) .band-pair[data-astro-cid-n2vb4me6]{display:inline}[data-astro-cid-n2vb4me6]:is([data-place=trafo-gora],[data-place=stacja-110],[data-place=stacja-15],[data-place=trafo-osiedle]) .band-full[data-astro-cid-n2vb4me6]{display:none}.simulate-button[data-astro-cid-n2vb4me6]{margin-top:10px}.flow-caption[data-astro-cid-n2vb4me6]{color:#46543c;margin:10px 0 0;font-size:.75rem;line-height:1.6}.meters[data-astro-cid-n2vb4me6]{background:#faf8ef;border-block:1px solid #c9cebb;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));display:grid}.meter[data-astro-cid-n2vb4me6]{flex-direction:column;gap:6px;min-width:0;padding:16px;display:flex}.meter[data-astro-cid-n2vb4me6]:not([hidden])~.meter[data-astro-cid-n2vb4me6]{border-left:1px solid #d9dacb}[data-astro-cid-n2vb4me6][data-place=dom] .meters[data-astro-cid-n2vb4me6]{grid-template-columns:repeat(12,minmax(0,1fr))}[data-astro-cid-n2vb4me6][data-place=dom] .meter[data-astro-cid-n2vb4me6]{grid-column:span 4}[data-astro-cid-n2vb4me6][data-place=dom] .meter[data-astro-cid-n2vb4me6].home-meter{border-top:1px solid #d9dacb;grid-column:span 3}[data-astro-cid-n2vb4me6][data-place=dom] .meter[data-astro-cid-n2vb4me6][data-meter=current-l1]{border-left:0}.meter-name[data-astro-cid-n2vb4me6]{font:.7rem/1.5 monospace}.meter[data-astro-cid-n2vb4me6] strong[data-astro-cid-n2vb4me6]{font-variant-numeric:tabular-nums;overflow-wrap:anywhere;font:600 clamp(1.05rem,2vw,1.35rem)/1.2 monospace}.meter-note[data-astro-cid-n2vb4me6]{color:#60664f;font-size:.7rem}.controls[data-astro-cid-n2vb4me6]{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;padding:24px;display:grid}.control[data-astro-cid-n2vb4me6]{min-width:0}.place-control[data-astro-cid-n2vb4me6],.context-controls[data-astro-cid-n2vb4me6]{grid-column:1/-1}.context-controls[data-astro-cid-n2vb4me6]{gap:12px;display:grid}.control[data-astro-cid-n2vb4me6] input[data-astro-cid-n2vb4me6][type=range]{scroll-margin-top:120px}.control[data-astro-cid-n2vb4me6]>label[data-astro-cid-n2vb4me6]:first-child,.control[data-astro-cid-n2vb4me6]>legend[data-astro-cid-n2vb4me6]{justify-content:space-between;align-items:start;gap:12px;font-size:.875rem;font-weight:600;display:flex}output[data-astro-cid-n2vb4me6]{white-space:nowrap;color:#963d20;font-family:monospace}input[data-astro-cid-n2vb4me6][type=range]{accent-color:#a64426;cursor:pointer;width:100%;min-width:0;height:36px;margin:6px 0 0}.range-ends[data-astro-cid-n2vb4me6]{color:#60664f;justify-content:space-between;font:.7rem/1.5 monospace;display:flex}.control[data-astro-cid-n2vb4me6] p[data-astro-cid-n2vb4me6]{color:#555d49;margin:10px 0 0;font-size:.75rem;line-height:1.6}.mode-control[data-astro-cid-n2vb4me6]{flex-wrap:wrap;grid-column:1/-1;align-items:center;gap:8px 12px;display:flex}.mode-control[data-astro-cid-n2vb4me6] legend[data-astro-cid-n2vb4me6]{width:100%;margin-bottom:8px;display:block}.context-note[data-astro-cid-n2vb4me6]{flex-basis:100%}.choice[data-astro-cid-n2vb4me6]{cursor:pointer;background:#faf8ef;border:1px solid #bac3a9;border-radius:4px;align-items:center;gap:8px;min-height:44px;padding:8px 14px;font-size:.875rem;display:inline-flex}.choice[data-astro-cid-n2vb4me6]:has(input:checked){color:#fff9ed;background:#34452c;border-color:#34452c}.choice[data-astro-cid-n2vb4me6]:has(input:focus-visible){outline-offset:2px;outline:2px solid #a64426}.choice[data-astro-cid-n2vb4me6] input[data-astro-cid-n2vb4me6]{accent-color:#a64426;width:18px;height:18px;margin:0}.place-buttons[data-astro-cid-n2vb4me6],.device-buttons[data-astro-cid-n2vb4me6]{grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;margin-top:8px;display:grid}.place-button[data-astro-cid-n2vb4me6],.device-button[data-astro-cid-n2vb4me6]{min-height:44px;color:inherit;text-align:left;cursor:pointer;background:#faf8ef;border:1px solid #bac3a9;padding:6px 10px;line-height:1.25}.place-button[data-astro-cid-n2vb4me6][aria-pressed=true],.device-button[data-astro-cid-n2vb4me6][aria-pressed=true]{color:#fff9ed;background:#34452c;border-color:#34452c}.place-button[data-astro-cid-n2vb4me6]:focus-visible,.device-button[data-astro-cid-n2vb4me6]:focus-visible{outline-offset:2px;outline:2px solid #a64426}.device-note[data-astro-cid-n2vb4me6]{opacity:.85;font-size:.7rem;display:block}.chart-choice[data-astro-cid-n2vb4me6]{flex-wrap:wrap;gap:8px;margin-top:8px;display:flex}button[data-astro-cid-n2vb4me6]{border-radius:4px;min-height:44px;font-size:.8125rem}.primary-button[data-astro-cid-n2vb4me6]{color:#fff9ed;background:#34452c;border:1px solid #34452c;padding:10px 16px}.primary-button[data-astro-cid-n2vb4me6]:hover{background:#465b3b}.primary-button[data-astro-cid-n2vb4me6][aria-pressed=true]{background:#a64426;border-color:#a64426}.primary-button[data-astro-cid-n2vb4me6]>span[data-astro-cid-n2vb4me6]:first-child{margin-right:8px}.quiet-button[data-astro-cid-n2vb4me6]{text-underline-offset:3px;background:0 0;border:0;padding:10px 4px;text-decoration:underline}button[data-astro-cid-n2vb4me6]:disabled,input[data-astro-cid-n2vb4me6]:disabled{opacity:.5}.lab-bottom[data-astro-cid-n2vb4me6]{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding:12px 24px;display:flex}.lab-bottom[data-astro-cid-n2vb4me6]>span[data-astro-cid-n2vb4me6]{color:#555d49;font-size:.75rem}.bottom-actions[data-astro-cid-n2vb4me6]{flex-wrap:wrap;gap:12px;display:flex}.model-notes[data-astro-cid-n2vb4me6]{border-top:1px solid #c9cebb;padding:16px 24px;font-size:.8125rem}.model-notes[data-astro-cid-n2vb4me6] summary[data-astro-cid-n2vb4me6]{min-height:28px}.model-notes[data-astro-cid-n2vb4me6] ul[data-astro-cid-n2vb4me6]{margin:8px 0 0;padding-left:1.2em;line-height:1.7}.model-notes[data-astro-cid-n2vb4me6] li[data-astro-cid-n2vb4me6]+li[data-astro-cid-n2vb4me6]{margin-top:4px}.no-script[data-astro-cid-n2vb4me6]{padding:0 24px}.sr-only[data-astro-cid-n2vb4me6]{clip-path:inset(50%);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.ground[data-astro-cid-n2vb4me6]{stroke:#9aa588;stroke-width:1.5px;stroke-dasharray:6 5}.house[data-astro-cid-n2vb4me6]{fill:#f4f1e4;stroke:#a9b497;stroke-width:2px;stroke-dasharray:8 5;stroke-linejoin:round}.wire[data-astro-cid-n2vb4me6]{fill:none;stroke-width:2.5px}.drop[data-astro-cid-n2vb4me6]{stroke-width:1.8px}.l1[data-astro-cid-n2vb4me6]{stroke:#7a4a21}.l2[data-astro-cid-n2vb4me6]{stroke:#222}.l3[data-astro-cid-n2vb4me6]{stroke:#8a8a8a}.n[data-astro-cid-n2vb4me6]{stroke:var(--blue)}.joint[data-astro-cid-n2vb4me6]{stroke:none}.joint[data-astro-cid-n2vb4me6].l1{fill:#7a4a21}.joint[data-astro-cid-n2vb4me6].l2{fill:#222}.joint[data-astro-cid-n2vb4me6].l3{fill:#8a8a8a}.joint[data-astro-cid-n2vb4me6].n{fill:var(--blue)}.wire-tag[data-astro-cid-n2vb4me6]{paint-order:stroke;stroke:#e1e5d4;stroke-width:3px;font:700 9px monospace}.tag-l1[data-astro-cid-n2vb4me6]{fill:#7a4a21}.tag-l2[data-astro-cid-n2vb4me6]{fill:#222}.tag-l3[data-astro-cid-n2vb4me6]{fill:#6b6b6b}.tag-n[data-astro-cid-n2vb4me6]{fill:var(--blue)}.pulse[data-astro-cid-n2vb4me6]{fill:none;stroke:#e1701a;stroke-width:5px;stroke-linecap:round;stroke-dasharray:1 27;opacity:.85;animation:1.4s linear infinite path-flow}@keyframes path-flow{to{stroke-dashoffset:-28px}}[data-astro-cid-n2vb4me6][data-paused=true] .pulse[data-astro-cid-n2vb4me6]{animation-play-state:paused}.place-hit[data-astro-cid-n2vb4me6]{fill:#0000;stroke:#0000;stroke-width:2px}.place[data-astro-cid-n2vb4me6]{cursor:pointer}.place[data-astro-cid-n2vb4me6]:hover .place-hit[data-astro-cid-n2vb4me6]{fill:#a644260a;stroke:#c9a58e;stroke-dasharray:5 4}.place-name[data-astro-cid-n2vb4me6]{fill:#293322;font:700 11px Arial,sans-serif}.place-volts[data-astro-cid-n2vb4me6]{fill:#3f4d36;font:11px Arial,sans-serif}.place-label[data-astro-cid-n2vb4me6]{paint-order:stroke;stroke:#e1e5d4;stroke-width:4px;stroke-linejoin:round}.here-label[data-astro-cid-n2vb4me6]{fill:#963d20;paint-order:stroke;stroke:#e1e5d4;stroke-width:4px;font:700 11px Arial,sans-serif;display:none}[data-astro-cid-n2vb4me6]:is([data-place=elektrownia] [data-place-id=elektrownia],[data-place=trafo-gora] [data-place-id=trafo-gora],[data-place=linia] [data-place-id=linia],[data-place=stacja-110] [data-place-id=stacja-110],[data-place=stacja-15] [data-place-id=stacja-15],[data-place=trafo-osiedle] [data-place-id=trafo-osiedle],[data-place=dom] [data-place-id=dom]) .place-hit[data-astro-cid-n2vb4me6]{fill:#a6442612;stroke:#a64426;stroke-dasharray:5 4}[data-astro-cid-n2vb4me6]:is([data-place=elektrownia] [data-place-id=elektrownia],[data-place=trafo-gora] [data-place-id=trafo-gora],[data-place=linia] [data-place-id=linia],[data-place=stacja-110] [data-place-id=stacja-110],[data-place=stacja-15] [data-place-id=stacja-15],[data-place=trafo-osiedle] [data-place-id=trafo-osiedle],[data-place=dom] [data-place-id=dom]) .here-label[data-astro-cid-n2vb4me6]{display:inline}.stator[data-astro-cid-n2vb4me6]{fill:#f4f1e4;stroke:#47553c;stroke-width:2px}.stator-inner[data-astro-cid-n2vb4me6]{fill:#faf8ef;stroke:#9aa588;stroke-width:1px;stroke-dasharray:3 3}.coil[data-astro-cid-n2vb4me6]{stroke:#faf8ef;stroke-width:1.5px}.coil-0[data-astro-cid-n2vb4me6]{fill:#7a4a21}.coil-1[data-astro-cid-n2vb4me6]{fill:#222}.coil-2[data-astro-cid-n2vb4me6]{fill:#8a8a8a}.magnet-n[data-astro-cid-n2vb4me6]{fill:#c4291c}.magnet-s[data-astro-cid-n2vb4me6]{fill:#2b6cb0}.magnet-text[data-astro-cid-n2vb4me6]{fill:#fff9ed;font:700 9px Arial,sans-serif}.shaft[data-astro-cid-n2vb4me6]{fill:#47553c}.glow[data-astro-cid-n2vb4me6]{stroke:#fff9ed;stroke-width:1.5px;fill:#9aa588}.glow[data-astro-cid-n2vb4me6][data-sign=pos]{fill:#2e9d4f}.glow[data-astro-cid-n2vb4me6][data-sign=neg]{fill:#8a3fb0}.glow-sign[data-astro-cid-n2vb4me6]{fill:#fff9ed;pointer-events:none;font:700 8px Arial,sans-serif}.housing[data-astro-cid-n2vb4me6]{fill:#faf8ef;stroke:#47553c;stroke-width:1.5px}.core[data-astro-cid-n2vb4me6]{fill:none;stroke:#6b7560;stroke-width:5px}.winding[data-astro-cid-n2vb4me6]{fill:#d8a368;stroke:#7a4a21;stroke-width:1px}.turn[data-astro-cid-n2vb4me6]{fill:none;stroke:#7a4a21;stroke-width:1px}.pylon[data-astro-cid-n2vb4me6]{fill:none;stroke:#6b7560;stroke-width:1.5px;stroke-linejoin:round}.device-icon[data-astro-cid-n2vb4me6]{fill:#faf8ef;stroke:#47553c;stroke-width:1.5px}.device-line[data-astro-cid-n2vb4me6]{fill:none;stroke:#47553c;stroke-width:1.5px;stroke-linecap:round}.socket-hole[data-astro-cid-n2vb4me6],.burner[data-astro-cid-n2vb4me6]{fill:#47553c}.burner[data-astro-cid-n2vb4me6]{fill:none;stroke:#47553c;stroke-width:1.2px}.device[data-astro-cid-n2vb4me6][data-on=true] .device-icon[data-astro-cid-n2vb4me6]{fill:#ffe0a3;stroke:#a64426}.device[data-astro-cid-n2vb4me6][data-on=true] .bulb[data-astro-cid-n2vb4me6]{fill:#ffd23f}.device[data-astro-cid-n2vb4me6][data-on=true] .burner[data-astro-cid-n2vb4me6]{stroke:#c4291c;stroke-width:1.8px}@container (width>=900px){.meter[data-astro-cid-n2vb4me6] strong[data-astro-cid-n2vb4me6]{font-size:1.1rem}.panel[data-astro-cid-n2vb4me6] .place-control[data-astro-cid-n2vb4me6] legend[data-astro-cid-n2vb4me6],.panel[data-astro-cid-n2vb4me6] .mode-control[data-astro-cid-n2vb4me6] legend[data-astro-cid-n2vb4me6]{margin-bottom:4px}.panel[data-astro-cid-n2vb4me6] .place-buttons[data-astro-cid-n2vb4me6],.panel[data-astro-cid-n2vb4me6] .device-buttons[data-astro-cid-n2vb4me6]{margin-top:4px}.panel[data-astro-cid-n2vb4me6] .device-buttons[data-astro-cid-n2vb4me6]{grid-template-columns:repeat(4,minmax(0,1fr))}.panel[data-astro-cid-n2vb4me6] .place-buttons[data-astro-cid-n2vb4me6]{grid-template-columns:repeat(3,minmax(0,1fr))}.panel[data-astro-cid-n2vb4me6] .controls[data-astro-cid-n2vb4me6]{grid-template-columns:repeat(2,minmax(0,1fr))}.panel[data-astro-cid-n2vb4me6] .controls[data-astro-cid-n2vb4me6]>.mode-control[data-astro-cid-n2vb4me6]{grid-column:auto;align-content:start}[data-astro-cid-n2vb4me6][data-place=dom] .home-meter[data-astro-cid-n2vb4me6] .meter-note[data-astro-cid-n2vb4me6]{display:none}.power-path-lab[data-astro-cid-n2vb4me6] .path-part[data-astro-cid-n2vb4me6]{position:relative}.power-path-lab[data-astro-cid-n2vb4me6] .path-part[data-astro-cid-n2vb4me6] .lab-bottom[data-astro-cid-n2vb4me6]{top:5px}.power-path-lab[data-astro-cid-n2vb4me6] .lab-header[data-astro-cid-n2vb4me6]{padding-right:24px}.power-path-lab[data-astro-cid-n2vb4me6] .topic-nav[data-astro-cid-n2vb4me6]{padding-right:320px}.topic-nav[data-astro-cid-n2vb4me6] a[data-astro-cid-n2vb4me6]{min-height:34px;padding:4px 10px}.power-path-lab[data-astro-cid-n2vb4me6] .lesson-panel[data-astro-cid-n2vb4me6] h3[data-astro-cid-n2vb4me6]{margin-bottom:4px}.power-path-lab[data-astro-cid-n2vb4me6] .lesson-panel[data-astro-cid-n2vb4me6] p[data-astro-cid-n2vb4me6]{margin-bottom:4px;font-size:.8125rem;line-height:1.5}.power-path-lab[data-astro-cid-n2vb4me6] .lesson-panel[data-astro-cid-n2vb4me6] .return-reading[data-astro-cid-n2vb4me6]{min-height:32px}.power-path-lab[data-astro-cid-n2vb4me6] .part-body[data-astro-cid-n2vb4me6] .board[data-astro-cid-n2vb4me6]{padding:2px 16px 8px}.flow-caption[data-astro-cid-n2vb4me6]{margin-top:4px;line-height:1.5}.power-path-lab[data-astro-cid-n2vb4me6] .meter[data-astro-cid-n2vb4me6]{gap:0;padding:6px 12px}.power-path-lab[data-astro-cid-n2vb4me6] .lesson-panel[data-astro-cid-n2vb4me6] [data-astro-cid-n2vb4me6][data-lesson-description]{grid-row:2/span 2}.power-path-lab[data-astro-cid-n2vb4me6] .lesson-panel[data-astro-cid-n2vb4me6] .lesson-task[data-astro-cid-n2vb4me6]{grid-row:1/span 2}.power-path-lab[data-astro-cid-n2vb4me6] .lesson-panel[data-astro-cid-n2vb4me6] .lesson-actions[data-astro-cid-n2vb4me6]{grid-area:3/2}.panel[data-astro-cid-n2vb4me6] [data-astro-cid-n2vb4me6]:is(.place-button,.device-button,.choice,.simulate-button){min-height:38px}.panel[data-astro-cid-n2vb4me6] .choice[data-astro-cid-n2vb4me6]{padding-block:4px}.panel[data-astro-cid-n2vb4me6] .place-button[data-astro-cid-n2vb4me6]{padding-block:3px;line-height:1.15}.panel[data-astro-cid-n2vb4me6] .range-ends[data-astro-cid-n2vb4me6]{display:none}.panel[data-astro-cid-n2vb4me6] input[data-astro-cid-n2vb4me6][type=range]{height:28px}.panel[data-astro-cid-n2vb4me6] .simulate-button[data-astro-cid-n2vb4me6]{margin-top:6px;padding-block:6px}.board[data-astro-cid-n2vb4me6] svg[data-astro-cid-n2vb4me6]+svg[data-astro-cid-n2vb4me6]{margin-top:4px}}@media (width<=700px){.controls[data-astro-cid-n2vb4me6]{grid-template-columns:minmax(0,1fr)}}@media (width<=520px){.lab-header[data-astro-cid-n2vb4me6]{padding:22px 16px}.topic-nav[data-astro-cid-n2vb4me6],.lesson-panel[data-astro-cid-n2vb4me6],.part-title[data-astro-cid-n2vb4me6],.lab-bottom[data-astro-cid-n2vb4me6]{padding-inline:16px}h2[data-astro-cid-n2vb4me6]{font-size:1.7rem}.board[data-astro-cid-n2vb4me6]{padding:12px 8px 14px}.meters[data-astro-cid-n2vb4me6],[data-astro-cid-n2vb4me6][data-place=dom] .meters[data-astro-cid-n2vb4me6]{grid-template-columns:repeat(2,minmax(0,1fr))}[data-astro-cid-n2vb4me6][data-place=dom] [data-astro-cid-n2vb4me6]:is(.meter,.meter.home-meter){grid-column:auto}.meter[data-astro-cid-n2vb4me6]:not([hidden])~.meter[data-astro-cid-n2vb4me6]{border-left:0}.meter[data-astro-cid-n2vb4me6]{border-top:1px solid #d9dacb}.controls[data-astro-cid-n2vb4me6]{gap:20px;padding:20px 16px}.model-notes[data-astro-cid-n2vb4me6]{padding-inline:16px}.place-label[data-astro-cid-n2vb4me6],.here-label[data-astro-cid-n2vb4me6],.wire-tag[data-astro-cid-n2vb4me6],.glow-sign[data-astro-cid-n2vb4me6],.magnet-text[data-astro-cid-n2vb4me6]{display:none!important}.tick[data-astro-cid-n2vb4me6],.legend[data-astro-cid-n2vb4me6] text[data-astro-cid-n2vb4me6]{font-size:20px}.legend-long[data-astro-cid-n2vb4me6]{display:none}}@media (prefers-reduced-motion:reduce){.pulse[data-astro-cid-n2vb4me6]{animation:none}}.zrodla[data-astro-cid-2hjkvyba]{border-top:1px solid var(--line);max-width:46rem;color:var(--muted);margin-top:3rem;padding-top:24px;font-size:.9375rem;line-height:1.6}h2[data-astro-cid-2hjkvyba]{font:400 1.45rem/1.25 var(--font-head);letter-spacing:-.02em;color:var(--ink);margin:0 0 .8em}ol[data-astro-cid-2hjkvyba]{margin:0;padding-left:1.5em}li[data-astro-cid-2hjkvyba]{overflow-wrap:anywhere;margin-block:.5em;padding-left:.25em}li[data-astro-cid-2hjkvyba]::marker{color:var(--orange)}a[data-astro-cid-2hjkvyba]{color:var(--orange);text-decoration-thickness:1px}