:root{
  --paper:#f5f4f2;
  --grid:rgba(25,29,36,.05);
  --card:#ffffff;
  --ink:#191d24;
  --graphite:#4c5158;
  --fog:#8a8e95;
  --line:#dedcd8;
  --unitbg:#eae8e4;
  --accent:#ff6100;
  --accent-press:#e05500;
  --amber:#ffb200;
  --link:#1a67fd;
  --surface:#fbfaf8;
  --body-text:#3c3d42;
  --zebra:#f7f6f3;
  --rowhover:#fdf3ec;
  --shadow:rgba(25,29,36,.12);
  --diagram-bg:#ffffff;
  --pill:#191d24;
  --pill-text:#c9ccd1;
  --ok:#0e8345;
  
  --f-display:'Outfit',sans-serif;
  --f-body:'Nunito Sans',sans-serif;
  --f-mono:'Fira Mono',monospace;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--paper);
  background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:28px 28px;
  color:var(--ink);font-family:var(--f-body);font-size:16.5px;line-height:1.55;
}
a{color:var(--link)}
.wrap{max-width:1170px;margin:0 auto;padding:0 24px}

header{background:var(--card);border-bottom:1px solid var(--line)}
header .wrap{display:flex;align-items:center;justify-content:space-between;padding-top:14px;padding-bottom:14px}
.wordmark{font-family:var(--f-display);font-size:21px;color:var(--ink);text-decoration:none;letter-spacing:-.2px}
.wordmark svg{width:22px;height:22px;vertical-align:-4px;margin-right:8px}
.wordmark b{color:var(--accent)}
nav{display:flex;gap:2px;margin-left:auto;margin-right:14px}
nav a{font:500 14px var(--f-body);color:var(--graphite);text-decoration:none;padding:7px 11px;border-radius:99px}
nav a:hover{color:var(--ink);background:var(--paper)}

h1{font-family:var(--f-display);font-weight:900;font-size:clamp(34px,5vw,56px);line-height:1.04;letter-spacing:-.5px;margin:0;max-width:20ch}
.lede{margin:16px 0 0;font-size:18px;color:var(--graphite);max-width:52ch}

.bench{margin-top:34px;background:var(--card);border:1px solid var(--line);border-radius:6px;padding:34px}
.bench svg.circuit{flex:1 1 380px;max-width:520px;height:auto}
.panel{flex:1 1 280px;min-width:260px}
.fld{margin-bottom:16px}
.fld label{display:flex;justify-content:space-between;align-items:baseline;font:500 12px var(--f-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--graphite);margin-bottom:6px}
.fld label em{font-style:normal;color:var(--fog);letter-spacing:0;text-transform:none}
.fld .in{display:flex}
.fld input{flex:1;font:500 20px var(--f-mono);color:var(--ink);background:var(--paper);border:1px solid var(--line);border-radius:4px 0 0 4px;padding:10px 14px;min-width:0;border-right:none}
.fld input:focus{outline:2px solid var(--accent);outline-offset:-1px}
.fld .unit{font:500 15px var(--f-mono);color:var(--graphite);background:var(--unitbg);border:1px solid var(--line);border-radius:0 4px 4px 0;padding:10px 13px;display:flex;align-items:center}
.fld.solved input{color:var(--ok);border-color:var(--ok)}
.hint{font:400 13.5px var(--f-body);color:var(--fog);margin-top:4px}
.rowbtn{display:flex;gap:12px;align-items:center;margin-top:20px}
.cta{font:700 16px var(--f-body);color:#fff;background:var(--accent);border:none;border-radius:5px;padding:13px 28px;cursor:pointer}
.cta:hover{background:var(--accent-press)}
.ghost{font:500 14px var(--f-body);color:var(--graphite);background:none;border:none;cursor:pointer;text-decoration:underline;text-underline-offset:3px}

.formulas{display:flex;gap:26px;flex-wrap:wrap;margin:26px 0 0;padding:18px 0 0;border-top:1px solid var(--line)}
.formulas span{font:500 15px var(--f-mono);color:var(--graphite)}
.formulas b{color:var(--ink)}

header{background:none;border:none;padding-top:14px;position:sticky;top:0;z-index:50}
header .wrap{background:#191d24;border:1px solid #191d24;border-radius:99px;box-shadow:0 6px 24px rgba(25,29,36,.08);padding:10px 22px;max-width:1122px;display:flex;align-items:center;justify-content:space-between}
.wordmark{color:#fff}
.wordmark svg path{stroke:#ffb200}
nav a{position:relative;color:#c9ccd1;font-weight:700;font-size:13.5px;letter-spacing:.02em;padding:8px 13px;border-radius:6px}
nav a::after{content:"";position:absolute;left:13px;right:13px;bottom:4px;height:2px;border-radius:2px;background:#ffb200;transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
nav a:hover::after{transform:scaleX(1)}
nav a:hover{color:#fff;background:rgba(255,255,255,.08)}
main{padding-top:52px}
footer{margin-top:90px;padding:30px 0 40px;border-top:1px solid var(--line);font-size:14px;color:var(--fog)}

header{transition:padding .25s ease}
header .wrap{transition:border-radius .25s ease,max-width .25s ease,padding .25s ease}
header.scrolled{padding-top:0}
header.scrolled .wrap{border-radius:0;max-width:100%;padding:4px 28px;box-shadow:0 2px 14px rgba(25,29,36,.18)}
header.scrolled .wordmark{font-size:17px}
header.scrolled .wordmark svg{width:18px;height:18px}
header.scrolled nav a{padding:5px 10px;font-size:13px}
.wordmark{transition:font-size .25s ease}
.wordmark svg{transition:width .25s ease,height .25s ease}

.hdr-controls{display:flex;align-items:center;gap:9px;margin-left:10px}
.lang{position:relative}
.lang-btn{display:flex;align-items:center;flex-direction:row-reverse;gap:6px;height:28px;padding:0 8px;border:1px solid rgba(255,255,255,.28);border-radius:99px;background:#23262d;color:#d6d8db;font:600 12px var(--f-mono);cursor:pointer}
.lang-btn:hover{color:#fff;border-color:rgba(255,255,255,.55)}
.caret{font-size:14px;line-height:1;color:#d6d8db;transform:translateY(1px)}
.flag{display:block;flex-shrink:0;width:18px;height:13px;border-radius:2px;overflow:hidden}
.flag svg{display:block;width:100%;height:100%}
.lang-menu{display:none;position:absolute;right:0;top:calc(100% + 8px);z-index:60;min-width:150px;padding:4px;border:1px solid #2e323a;border-radius:8px;background:#23262d;box-shadow:0 8px 24px rgba(0,0,0,.3)}
.lang-menu.open{display:block}
.lang-item{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;padding:7px 9px;border:none;border-radius:5px;background:transparent;color:#d6d8db;font:500 13px var(--f-body);text-align:left;cursor:pointer}
.lang-item:hover{background:rgba(255,255,255,.08);color:#fff}
.lang-item[aria-pressed="true"]{color:#ffb200;font-weight:700}
.switch{position:relative;width:56px;height:28px;padding:0;border:1px solid rgba(255,255,255,.28);border-radius:99px;background:#23262d;cursor:pointer}
.knob{position:absolute;top:3px;left:3px;width:24px;height:20px;border-radius:99px;background:var(--accent);transition:left .3s cubic-bezier(.5,1.6,.4,1)}
html[data-theme="dark"] .knob{left:27px}
.sw-icon{position:absolute;top:0;height:100%;width:28px;display:flex;align-items:center;justify-content:center;color:#8a8e95;transition:color .2s}
.sw-light{left:0}
.sw-dark{right:0}
html[data-theme="light"] .sw-light,html[data-theme="dark"] .sw-dark{color:#fff}

.site-footer{background:#191d24;color:#fff;margin-top:96px}
.footer-cols{display:flex;gap:48px;flex-wrap:wrap;justify-content:space-between;padding:48px 24px 36px}
.f-brand{max-width:270px}
.f-brand .wordmark{color:#fff;font-size:20px}
.f-brand .wordmark svg path{stroke:#ffb200}
.f-brand p{font-size:14px;color:#8f9299;margin:12px 0 0;line-height:1.55}
.site-footer nav{display:block;margin:0}
.site-footer nav h3{font:500 12px var(--f-mono);letter-spacing:.08em;color:#8f9299;margin:0 0 12px;text-transform:uppercase}
.site-footer nav a{display:block;font-size:14px;font-weight:500;color:#c9ccd1;text-decoration:none;margin-bottom:8px;padding:0;border-radius:0}
.site-footer nav a::after{display:none}
.site-footer nav a:hover{color:#ffb200;background:none}
.footer-bar{border-top:1px solid #2b2f37}
.footer-bar .wrap{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;padding-top:16px;padding-bottom:20px;font-size:13px;color:#7c8086}

.f-legal{display:flex;gap:18px}
.f-legal a{color:#7c8086;text-decoration:none}
.f-legal a:hover{color:#ffb200}

.hub-h1{margin-top:52px}
.cta-list{margin-top:36px}
.cta-row{display:flex;align-items:center;gap:22px;background:var(--surface);border:2px solid var(--ink);box-shadow:4px 4px 0 var(--shadow);border-radius:6px;padding:18px 24px;margin-bottom:16px;text-decoration:none;color:var(--ink)}
.cta-row:hover{border-color:var(--accent)}
.cta-row .bs-ic{width:40px;height:40px;padding:8px}
.cta-row div{flex:1}
.cta-row h2{font-family:var(--f-display);font-weight:800;font-size:19px;margin:0}
.cta-row p{margin:3px 0 0;font-size:14px;color:var(--graphite)}
.cta-row .go{font:700 14px var(--f-body);color:#14171b;background:var(--accent);border-radius:5px;padding:10px 18px;flex:none}
.copy{max-width:720px;margin:56px auto 0}
.copy h2{font-family:var(--f-display);font-weight:800;font-size:24px;margin:34px 0 8px}
.copy p{margin:10px 0;color:var(--body-text);line-height:1.6}

.tool-hero h1{margin-top:52px}
.bench{margin-top:30px;display:block}
.bench .row{display:flex;gap:40px;align-items:center;flex-wrap:wrap}
.bench .row svg.diagram{flex:1 1 340px;max-width:460px;height:auto}
.bench .panel{flex:1 1 280px;min-width:250px}
.result{font-family:var(--f-display);font-weight:800;font-size:34px;letter-spacing:-.5px;margin-top:8px}
.result small{display:block;font:400 13px var(--f-body);color:var(--fog);letter-spacing:0}
.res-ok{color:var(--ok)}
.addrow{font:600 13px var(--f-body);color:var(--link);background:none;border:none;cursor:pointer;text-decoration:underline;text-underline-offset:3px;padding:0;margin-bottom:14px}
.seg{display:inline-flex;align-self:flex-start;width:auto;border:1.5px solid var(--ink);border-radius:6px;overflow:hidden;margin-bottom:18px}
.seg button{font:700 13.5px var(--f-body);padding:9px 16px;border:none;background:var(--card);color:var(--graphite);cursor:pointer}
.seg button.on{background:var(--ink);color:#fff}
.copy table{border-collapse:collapse;margin:16px 0;font-size:14.5px;width:100%}
.copy th,.copy td{text-align:left;padding:8px 14px 8px 0;border-bottom:1px solid var(--line)}
.copy th{color:var(--graphite);font-weight:700}
.copy td b{font-family:var(--f-mono);font-weight:500}

.wiz{min-height:340px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:30px}
.wiz[hidden]{display:none}
.wiz h2{font-family:var(--f-display);font-weight:800;font-size:22px;margin:0 0 20px}
.wiz-opts{display:flex;gap:16px;flex-wrap:wrap;justify-content:center}
.wiz-opt{display:flex;flex-direction:column;align-items:center;gap:8px;background:var(--card);border:2px solid var(--ink);border-radius:6px;box-shadow:3px 3px 0 var(--shadow);padding:16px 20px;cursor:pointer;font:700 14px var(--f-body);color:var(--ink);min-width:130px}
.wiz-opt:hover{border-color:var(--accent)}
.wiz-opt svg{width:118px;height:84px}
.wiz-back{margin-top:22px;font:600 13px var(--f-body);color:var(--fog);background:none;border:none;cursor:pointer;text-decoration:underline;text-underline-offset:3px}
.wiz-result h2{color:var(--accent);font-size:26px}
.wiz-result p{max-width:48ch;color:var(--graphite)}

.pin-filter{display:flex;gap:10px;flex-wrap:wrap;margin:26px 0 8px}
.pin-filter button{font:700 14px var(--f-body);padding:10px 18px;border:2px solid var(--ink);border-radius:6px;background:var(--card);color:var(--ink);cursor:pointer;box-shadow:3px 3px 0 var(--shadow)}
.pin-filter button.on{background:var(--ink);color:#fff}
.pin-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px;margin-top:22px}
.pin-card{display:flex;align-items:center;gap:12px;background:var(--surface);border:1.5px solid var(--ink);border-radius:6px;padding:14px 16px;text-decoration:none;color:var(--ink);font-weight:700}
.pin-card:hover{border-color:var(--accent)}
.pin-card small{display:block;font:500 11px var(--f-mono);color:var(--fog);margin-top:2px}
.pin-card[hidden]{display:none}
.pindiag{display:block;max-width:640px;width:100%;height:auto;margin:30px auto}
.pin-note{font:500 12px var(--f-mono);color:var(--fog);text-align:center;margin-top:-14px}

.chart-table-wrap{overflow-x:auto}
.legal{max-width:720px;margin:0 auto;padding:48px 0 40px}
.legal h1{margin-top:8px}
.legal h2{font-family:var(--f-display);font-weight:800;font-size:20px;margin:28px 0 6px}
.legal p{color:var(--body-text);line-height:1.6}
.legal .updated{font:500 12px var(--f-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--fog)}
.sitemap-cols{columns:2;column-gap:60px;max-width:700px;margin-top:30px}
.sitemap-cols h2{font-family:var(--f-display);font-size:19px;break-after:avoid;margin:18px 0 8px}
.sitemap-cols a{display:block;padding:5px 0;color:var(--ink);text-decoration:none;font-weight:600;border-bottom:1px solid var(--line)}
.sitemap-cols a:hover{color:var(--accent)}
@media(max-width:640px){.sitemap-cols{columns:1}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}svg animate,svg animateTransform,svg animateMotion{display:none}}

.bench .row{display:flex;gap:44px;align-items:center;flex-wrap:wrap}
.bench .row svg.diagram{flex:1 1 380px;max-width:470px;height:auto;order:0}
.bench .panel{flex:0 1 300px;min-width:260px;order:1}

.cband{margin-bottom:18px}
.cband label{display:block;font:500 12px var(--f-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--graphite);margin-bottom:20px}
.cbar{display:flex;border:2px solid var(--ink);border-radius:5px;height:36px;cursor:pointer;position:relative;user-select:none;touch-action:none}
.cbar span:first-child{border-radius:3px 0 0 3px}
.cbar span:last-of-type{border-radius:0 3px 3px 0}
.cbar span{flex:1;position:relative}
.cband .cbval{font:500 12px var(--f-mono);color:var(--fog);margin-top:3px;display:block}

.wheel-wrap{display:flex;gap:50px;align-items:center;flex-wrap:wrap;margin-top:36px}
#wheel{flex:1 1 420px;max-width:520px;height:auto}
.wq{cursor:pointer;transition:opacity .2s}
.wq.dim{opacity:.28}
.wq-cell:hover{fill:rgba(255,97,0,.14)}
.wheel-legend{flex:1 1 260px;max-width:340px}
.wheel-legend h2{font-family:var(--f-display);font-weight:800;font-size:21px;margin:0 0 8px}
.wheel-legend p{color:var(--graphite);line-height:1.6;margin:8px 0}
.wl-eg{font-family:var(--f-mono);font-size:13.5px;color:var(--fog)}
.fld.solved input{color:var(--ok);border-color:var(--ok)}

.bench .wiz{min-height:400px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:34px 24px}
.bench .wiz[hidden]{display:none}
.wiz-opts{display:flex;gap:14px;flex-wrap:wrap;justify-content:center;max-width:760px}
.wiz-opt{width:172px;padding:14px 12px 16px}
.wiz-opt span{line-height:1.3}

.pin-cats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:34px 0 10px}
.pin-cat{display:flex;flex-direction:column;align-items:flex-start;gap:6px;text-align:left;background:var(--surface);border:2px solid var(--ink);box-shadow:4px 4px 0 var(--shadow);border-radius:6px;padding:22px;cursor:pointer;font-family:var(--f-body)}
.pin-cat:hover{border-color:var(--accent)}
.pin-cat.on{background:var(--ink);color:#fff;box-shadow:4px 4px 0 rgba(25,29,36,.3)}
.pc-ic{display:flex;width:40px;height:40px;border-radius:50%;background:#191d24;color:var(--accent);padding:8px;margin-bottom:6px}
.pin-cat.on .pc-ic{background:var(--card);color:var(--accent)}
.pc-ic svg{width:100%;height:100%}
.pc-name{font-family:var(--f-display);font-weight:800;font-size:19px}
.pc-blurb{font-size:13.5px;color:var(--graphite);line-height:1.45}
.pin-cat.on .pc-blurb{color:#b9bcc2}
.pc-count{font:500 12px var(--f-mono);color:var(--fog);margin-top:4px}
.pin-section[hidden]{display:none}
.pin-sec-h{font-family:var(--f-display);font-weight:800;font-size:24px;margin:34px 0 4px}
.pin-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px;margin-top:16px}
.pin-card{display:flex;flex-direction:column;gap:10px;background:var(--surface);border:1.5px solid var(--ink);border-radius:6px;padding:16px 18px;text-decoration:none;color:var(--ink)}
.pin-card:hover{border-color:var(--accent)}
.pin-card-name{font-weight:700;font-size:15.5px}
.pin-card-name small{display:block;font:500 11.5px var(--f-mono);color:var(--fog);margin-top:2px}
.pin-card-brand{display:flex;align-items:center;height:24px}
.brand-logo{height:22px;width:auto;opacity:.85}
.brand-text{font:500 12px var(--f-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--fog)}
@media(max-width:820px){.pin-cats{grid-template-columns:1fr}}

.pin-head{display:flex;justify-content:space-between;align-items:flex-start;gap:30px;flex-wrap:wrap}
.pin-brand{padding-top:56px}
.pin-brand .brand-logo{height:30px}
.pindiag{display:block;width:100%;max-width:900px;height:auto;margin:26px auto 8px}
.pin-legend{display:flex;gap:16px;flex-wrap:wrap;justify-content:center;margin-bottom:10px}
.pin-legend .pl{display:inline-flex;align-items:center;gap:7px;font:500 12px var(--f-mono);color:var(--graphite)}
.pin-legend i{width:14px;height:14px;border-radius:3px;border:1.6px solid}
.src-list{list-style:none;margin:12px 0;padding:0}
.src-list li{padding:9px 0;border-bottom:1px solid var(--line)}
.src-list a{font-weight:600}

.sym-picker{display:flex;align-items:center;gap:12px;margin:30px 0 6px}
.sym-picker label{font:500 12px var(--f-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--graphite)}
.sym-picker select{font:600 15px var(--f-body);color:var(--ink);background:var(--card);border:2px solid var(--ink);border-radius:6px;padding:9px 14px;cursor:pointer}
.sym-section[hidden]{display:none}
.sym-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:18px;margin-top:18px}
.sym{display:flex;flex-direction:column;align-items:center;gap:4px;background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:12px 8px}
.sym svg{width:120px;height:60px}
.sym span{font:600 12.5px var(--f-body);color:var(--graphite);text-align:center}

.unit-toggle{display:flex;align-items:center;gap:14px;margin-top:30px}
.unit-toggle>span{font:500 12px var(--f-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--graphite)}
.unit-toggle .seg{margin-bottom:0}
.batt-table td,.batt-table th{font-size:13.5px;padding:8px 12px 8px 0}
.bshape{width:52px;padding-right:6px!important}
.bshape svg{width:44px;height:44px;display:block}

.cta-list{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:36px}
.cta-row{display:grid;grid-template-columns:auto 1fr;grid-template-rows:auto auto;align-items:center;column-gap:12px;row-gap:10px;padding:20px 22px;margin-bottom:0}
.cta-row .bs-ic{width:38px;height:38px;padding:8px;color:var(--accent);background:#191d24;border-radius:50%;border:none;box-shadow:none}
.cta-row .bs-ic{grid-column:1;grid-row:1;margin:0}
.cta-row>div{grid-column:2;grid-row:1;min-width:0}
.cta-row .go{grid-column:1 / -1;grid-row:2;justify-self:start}
.cta-row h2{font-size:17.5px}
.cta-row p{font-size:13.5px;line-height:1.45;margin-top:5px}
.cta-row .go{align-self:flex-start;font-size:13px;padding:8px 15px}
@media(max-width:860px){.cta-list{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.cta-list{grid-template-columns:1fr}}

.wq-cell{cursor:pointer;transition:fill .15s}
.wq-cell:hover,.wq-cell.on{fill:rgba(255,97,0,.16)}
.wq-hub{cursor:pointer}
.wq-txt{pointer-events:none}
.wl-formula{display:inline-block;font:500 26px var(--f-mono);color:var(--ink);border:2px solid var(--line);border-radius:6px;padding:10px 16px;margin-bottom:16px}
.wheel-legend h2{font-family:var(--f-display);font-weight:800;font-size:20px;margin:0 0 8px}

.wide-table{margin:30px 0 10px;width:calc(100% + 0px)}
.batt-table{width:100%;font-size:14.5px}
.batt-table td,.batt-table th{padding:10px 14px 10px 0;vertical-align:middle}
.batt-table th{font-size:13px}
.size-th{white-space:nowrap}
.seg-sm{display:inline-flex;margin:0 0 0 8px;vertical-align:middle;border-width:1.2px;border-radius:5px}
.seg-sm button{font-size:11.5px;padding:4px 8px}
.bshape{width:60px}
.bshape svg{width:52px;height:52px;display:block}
.photo{margin:26px 0 8px;max-width:760px}
.photo img{width:100%;height:auto;border:1px solid var(--line);border-radius:6px;display:block;background:var(--card)}
.photo figcaption{font:400 12.5px var(--f-body);color:var(--fog);margin-top:7px}
.photo--sm{max-width:620px}
.vals{font-family:var(--f-mono);font-size:15px;letter-spacing:.04em;background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:12px 14px}

.copy table,.batt-table{border-collapse:separate;border-spacing:0;width:100%;background:var(--card);border:1.5px solid var(--ink);border-radius:8px;overflow:hidden}
.copy th,.batt-table th{background:#191d24;color:#fff;font:700 12.5px var(--f-body);letter-spacing:.06em;text-transform:uppercase;padding:12px 14px;border:none;text-align:left}
.copy td,.batt-table td{padding:11px 14px;border:none;border-top:1px solid var(--line);font-size:14px;color:var(--body-text)}
.copy tr:nth-child(even) td,.batt-table tr:nth-child(even) td{background:var(--zebra)}
.copy tr:hover td,.batt-table tr:hover td{background:var(--rowhover)}
.copy td b,.batt-table td b{font-family:var(--f-mono);font-weight:500;color:var(--ink)}
.copy td:first-child b{color:var(--accent)}
.chart-table-wrap{overflow-x:auto;margin:18px 0 24px}

.size-th .seg{border-color:rgba(255,255,255,.5)}
.size-th .seg button{background:transparent;color:rgba(255,255,255,.75)}
.size-th .seg button.on{background:var(--card);color:var(--ink)}

#astFields,#monoFields{min-height:0}

[data-tool="t555"] .panel{display:flex;flex-direction:column;min-height:374px}
[data-tool="t555"] .fields{min-height:246px}
[data-tool="t555"] .result{margin-top:0}
#monoFields[hidden]{display:none}

.cbar{position:relative;user-select:none;touch-action:none}
.cbar span[data-on="1"]{outline:none}
.cbar span[data-on="1"]::after{display:none}
.wiz-hint{font:400 13px var(--f-body);color:var(--fog);margin:16px 0 0;max-width:46ch}

.sec-h{font-family:var(--f-display);font-weight:800;font-size:24px;margin:44px 0 6px}
.photo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:18px 0 10px}
.pcard{margin:0;background:var(--card);border:1.5px solid var(--ink);border-radius:8px;overflow:hidden;display:flex;flex-direction:column}
.pcard img{width:100%;height:auto;aspect-ratio:4/3;object-fit:contain;background:var(--card);display:block;border-bottom:1px solid var(--line)}
.pcard figcaption{padding:13px 15px 14px;font-size:13.5px;line-height:1.5;color:var(--graphite)}
.pcard figcaption b{display:block;font-family:var(--f-display);font-weight:800;font-size:16.5px;color:var(--ink);margin-bottom:4px}
.pcard .credit{display:block;font:400 11px var(--f-mono);color:var(--fog);margin-top:8px}
@media(max-width:900px){.photo-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.photo-grid{grid-template-columns:1fr}}

.pin-legend{display:grid;grid-template-columns:repeat(4,max-content);justify-content:center;gap:10px 26px;margin:14px auto 6px}
@media(max-width:640px){.pin-legend{grid-template-columns:repeat(2,max-content)}}

.cband{margin-bottom:22px}
.cband label{margin-bottom:26px}
.cbar{display:flex;height:38px;border:2px solid var(--ink);border-radius:6px;position:relative;cursor:grab;user-select:none;touch-action:none}
.cbar:active{cursor:grabbing}
.cbar span{flex:1;position:relative}
.cbar span:first-child{border-radius:3px 0 0 3px}
.cbar span:nth-last-child(2){border-radius:0 3px 3px 0}
.cbhandle{position:absolute;top:-6px;bottom:-6px;border:3px solid var(--ink);border-radius:7px;background:transparent;box-shadow:0 0 0 2px #fff,0 3px 8px rgba(25,29,36,.3);pointer-events:none;transition:left .09s ease,width .09s ease;z-index:4;display:flex;align-items:center;justify-content:center}
.cbhandle::after{content:"";position:absolute;top:-13px;left:50%;transform:translateX(-50%);width:0;height:0;border-left:7px solid transparent;border-right:7px solid transparent;border-top:9px solid var(--ink)}
.cbhandle i{position:absolute;top:-11px;left:50%;transform:translateX(-50%);font:700 9px var(--f-mono);letter-spacing:.1em;color:var(--fog);text-transform:uppercase;font-style:normal;white-space:nowrap}
.cbar .cbval{display:block;font:500 12px var(--f-mono);color:var(--graphite);margin-top:9px}
.cbhint{font:400 12.5px var(--f-body);color:var(--fog);margin:-6px 0 16px}

.rpi-seg{margin:4px 0 20px}

.table-wide{width:min(1122px,calc(100vw - 48px));margin-left:50%;transform:translateX(-50%);overflow-x:visible}
.table-wide table{width:100%;font-size:14px}
.table-wide th,.table-wide td{padding:9px 10px}

.pinout-page .copy{max-width:960px}

.res-photo{display:block;width:100%;max-width:340px;height:auto;aspect-ratio:4/3;object-fit:contain;background:var(--card);border:1.5px solid var(--line);border-radius:8px;margin:0 auto 20px}

.sec-sub{color:var(--graphite);margin:6px 0 0;max-width:70ch}
.rgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:22px 0 10px}
.rcard{margin:0;background:var(--card);border:1.5px solid var(--ink);border-radius:8px;overflow:hidden;display:flex;flex-direction:column}
.rcard img{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;display:block;border-bottom:1.5px solid var(--ink)}
.rcard figcaption{padding:14px 16px 16px}
.rcard b{font-family:var(--f-display);font-weight:800;font-size:17px;color:var(--ink)}
.rtag{display:inline-block;margin-left:8px;font:500 11px var(--f-mono);letter-spacing:.04em;color:var(--accent);text-transform:uppercase;vertical-align:2px}
.rtext{display:block;margin-top:7px;font-size:14px;line-height:1.55;color:var(--body-text)}
.vals{font-family:var(--f-mono);font-size:15px;color:var(--ink)}
.copy h3{font-family:var(--f-display);font-weight:800;font-size:16px;margin:20px 0 2px;color:var(--graphite)}
@media(max-width:900px){.rgrid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.rgrid{grid-template-columns:1fr}}

:root[data-theme="dark"]{
  --paper:#14171b;
  --grid:rgba(255,255,255,.045);
  --card:#1b1f25;
  --surface:#1f242b;
  --ink:#e9ebed;
  --graphite:#b3b8be;
  --body-text:#c3c8ce;
  --fog:#8b9199;
  --line:#2e343c;
  --unitbg:#252b32;
  --zebra:#232830;
  --rowhover:#33261d;
  --shadow:rgba(0,0,0,.5);
  --link:#7aa7ff;
  --ok:#3ecf8e;
  --diagram-bg:#f3f2ef;
  --pill:#1f242b;
}
:root[data-theme="dark"] body{color:var(--ink)}
:root[data-theme="dark"] header .wrap{background:var(--pill);border-color:#333a43;box-shadow:0 6px 24px rgba(0,0,0,.45)}
:root[data-theme="dark"] .cta{color:#14171b}
:root[data-theme="dark"] .copy th,:root[data-theme="dark"] .batt-table th{background:#252b33}
:root[data-theme="dark"] .site-footer{background:#0f1216}
:root[data-theme="dark"] .lang-btn,:root[data-theme="dark"] .lang-menu,:root[data-theme="dark"] .switch{background:#252b32}

:root[data-theme="dark"] svg [stroke="#191d24"],
:root[data-theme="dark"] svg [stroke="#0d0f12"],
:root[data-theme="dark"] svg [stroke="#1d4a37"],
:root[data-theme="dark"] svg[stroke="#191d24"],
:root[data-theme="dark"] svg[stroke="#101010"],
:root[data-theme="dark"] svg [stroke="#101010"]{stroke:var(--ink)}
:root[data-theme="dark"] svg [fill="#191d24"],
:root[data-theme="dark"] svg [fill="#0d0f12"],
:root[data-theme="dark"] svg[fill="#191d24"]{fill:var(--ink)}
:root[data-theme="dark"] svg [fill="#fff"],
:root[data-theme="dark"] svg [fill="#ffffff"],
:root[data-theme="dark"] svg [fill="#f5f4f2"],
:root[data-theme="dark"] svg [fill="#fbfaf8"]{fill:var(--card)}
:root[data-theme="dark"] svg [fill="#4c5158"],
:root[data-theme="dark"] svg [fill="#8a8e95"]{fill:var(--graphite)}
:root[data-theme="dark"] svg [stroke="#9aa0a6"]{stroke:var(--fog)}
:root[data-theme="dark"] .res-photo,
:root[data-theme="dark"] .rcard img,
:root[data-theme="dark"] .photo img{background:#fff}
:root[data-theme="dark"] .pin-legend i{outline:1px solid rgba(255,255,255,.25)}
:root[data-theme="dark"] .seg button{background:var(--surface);color:var(--graphite)}
:root[data-theme="dark"] .seg button.on{background:var(--accent);color:#14171b}
:root[data-theme="dark"] .pin-cat,:root[data-theme="dark"] .pin-filter button,:root[data-theme="dark"] .wiz-opt,:root[data-theme="dark"] .sym-picker select{color:var(--ink)}
:root[data-theme="dark"] .pin-filter button.on{background:var(--accent);color:#14171b}
:root[data-theme="dark"] .pin-cat.on{border-color:var(--accent)}

:root[data-theme="dark"] .bs-ic,:root[data-theme="dark"] .pc-ic{background:#f1efec;color:var(--accent);border:none}
:root[data-theme="dark"] .pin-cat.on .pc-ic{background:var(--accent);color:#14171b;border-color:var(--accent)}

:root[data-theme="dark"] .flag svg [fill="#fff"],
:root[data-theme="dark"] .flag svg [fill="#ffffff"]{fill:#fff}

:root[data-theme="dark"] [data-tool="colorcode"] svg [fill="#e8dcc0"],
:root[data-theme="dark"] .bs-rcc svg [fill="#e8dcc0"]{fill:#e8dcc0}
.rcc-col{flex:1 1 380px;max-width:520px;display:flex;flex-direction:column;align-items:center}
.rcc-col svg.diagram{width:100%;height:auto}
.rcc-out{margin-top:4px;text-align:center}

:root[data-theme="dark"] .pin-cat.on{background:var(--accent);color:#14171b;box-shadow:4px 4px 0 var(--shadow)}
:root[data-theme="dark"] .pin-cat.on .pg-sub,:root[data-theme="dark"] .pin-cat.on small{color:#3a2a1c}
:root[data-theme="dark"] .pin-card:hover{border-color:var(--accent)}

.vh{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

.skip-link{position:absolute;left:-9999px;top:0;z-index:100;background:var(--accent);color:#14171b;font:700 14px var(--f-body);padding:10px 16px;border-radius:0 0 6px 0}
.skip-link:focus{left:0}
main:focus{outline:none}

.copy h3.sec-h2,.legal h3.sec-h2{font-family:var(--f-display);font-weight:800;font-size:24px;margin:34px 0 8px;color:var(--ink)}
.legal h3.sec-h2{font-size:20px;margin:28px 0 6px}
h3.sec-h2.sec-h{font-size:24px;margin:44px 0 6px}
h3.sec-h2.hub-h2{font-family:var(--f-display);font-weight:800}