/* mgtomcg.com, design s2 "Side by Side" (approved by Ken 2026-10-05): white page, one blue accent, a raised 3D
   converter card, a 3 x 3 common values grid. Mobile first, 44 px touch targets, 16 px or larger inputs. */
:root{--bg:#fff;--card:#fff;--ink:#202124;--soft:#5f6368;--line:#e3e3e3;--line2:#c9c9c9;--acc:#1a56c4;--acc-ink:#fff;
--tint:#f6f7f9;--grid:#fafbfc;--grid-line:#eef0f3;--warn-ink:#8a4a00;--warn-bg:#fff6e8;--ok:#1e7d4f;--r:10px}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{margin:0;font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,sans-serif;color:var(--ink);background:var(--bg);overflow-wrap:break-word}
.wrap{max-width:600px;margin:0 auto;padding:0 16px}
a{color:var(--acc)}
img,svg{max-width:100%}
.skip{position:absolute;left:8px;top:-60px;background:var(--acc);color:var(--acc-ink);padding:10px 14px;border-radius:6px;z-index:10}
.skip:focus{top:8px}
.offscreen-copy{position:fixed;top:0;left:0;width:1px;height:1px;opacity:0}

/* header */
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap;padding-top:6px;padding-bottom:6px}
.site-name{display:flex;align-items:center;gap:8px;min-height:44px;font-weight:700;font-size:16px;color:inherit;text-decoration:none}
.site-name .tld{color:var(--soft);font-weight:600}
.nav{display:flex;align-items:center;gap:2px;font-size:15px;margin-right:-8px}
.nav-link{display:inline-flex;align-items:center;min-height:44px;padding:0 8px;border-radius:6px;color:var(--soft);text-decoration:none;font-weight:600;cursor:pointer}
.nav-link:hover,.nav-link[aria-current=page],.nav-link.is-current{color:var(--ink)}
.nav-link[aria-current=page]{box-shadow:inset 0 -2px 0 var(--acc)}
.nav-menu{position:relative}
.nav-menu summary{list-style:none}
.nav-menu summary::-webkit-details-marker{display:none}
.nav-menu summary::after{content:"";width:6px;height:6px;margin-left:6px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg) translateY(-2px)}
.nav-menu[open] summary::after{transform:rotate(225deg) translateY(-1px)}
.nav-panel{position:absolute;right:0;top:100%;z-index:20;min-width:220px;margin:4px 0 0;padding:6px;list-style:none;background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:0 14px 32px -12px rgba(16,24,40,.25)}
.nav-panel a{display:flex;align-items:center;min-height:44px;padding:0 10px;border-radius:6px;color:var(--ink);text-decoration:none}
.nav-panel a:hover,.nav-panel a[aria-current=page]{background:var(--tint)}

/* hero */
.crumbs ol{display:flex;flex-wrap:wrap;gap:6px;list-style:none;margin:6px 0 0;padding:0;font-size:13px;color:var(--soft)}
.crumbs li+li::before{content:"/";margin-right:6px;color:var(--line2)}
.crumbs a{color:var(--soft);display:inline-block;min-height:24px}
h1{font-size:clamp(23px,6.6vw,30px);line-height:1.2;margin:10px 0 6px;letter-spacing:-.01em}
.lead p{margin:0 0 10px;color:var(--soft)}
.lead p:first-child{color:var(--ink)}
.meta-line{font-size:13px;color:var(--soft);margin:0 0 14px}
.draft-banner{background:var(--warn-bg);color:var(--warn-ink);padding:8px 12px;border-radius:8px;font-size:14px}

/* the 3D card */
.card{position:relative;background:linear-gradient(180deg,#fff 0,#fbfcfe 100%);border:1px solid #e6e8ec;border-radius:var(--r);padding:16px;
box-shadow:inset 0 1px 0 rgba(255,255,255,.9),0 1px 2px rgba(16,24,40,.08),0 2px 4px -1px rgba(16,24,40,.06),0 14px 32px -12px rgba(16,24,40,.18);
transition:transform .25s ease,box-shadow .25s ease}
.card::before{content:"";position:absolute;left:12px;right:12px;top:0;height:1px;background:linear-gradient(90deg,transparent,#fff,transparent);pointer-events:none}
.card:hover,.card:focus-within{transform:translateY(-2px);box-shadow:inset 0 1px 0 rgba(255,255,255,.9),0 2px 4px rgba(16,24,40,.08),0 4px 8px -2px rgba(16,24,40,.06),0 22px 44px -14px rgba(16,24,40,.22)}
.two{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:8px;align-items:end}
.two label,.iu-pick label{display:block;font-size:13px;color:var(--soft);margin-bottom:4px;line-height:1.3}
.two .eq{font-size:20px;color:var(--soft);padding-bottom:10px}
input,select,textarea{font-family:inherit;color:var(--ink)}
.two input{font-weight:600;font-size:18px;line-height:1.2;background:#fff;border:1px solid var(--line2);border-radius:6px;padding:10px 12px;min-height:44px;width:100%;min-width:0;box-shadow:inset 0 1px 2px rgba(16,24,40,.06)}
.iu-pick{margin-bottom:10px}
.iu-pick select{width:100%;min-height:44px;font-size:16px;border:1px solid var(--line2);border-radius:6px;padding:8px 10px;background:#fff}
input:focus,select:focus,textarea:focus{outline:2px solid var(--acc);outline-offset:1px;border-color:transparent}
.formula{font-size:14px;color:var(--soft);margin:10px 0 0;background:var(--tint);border-radius:8px;padding:8px 10px}
.note{font-size:14px;color:var(--warn-ink);background:var(--warn-bg);border-radius:8px;padding:6px 10px;margin:8px 0 0}
.note:empty{display:none}
.copyrow{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:10px}
button{font:inherit;cursor:pointer}
.btn,.copy{min-height:44px;padding:0 16px;border-radius:6px;border:1px solid var(--acc);background:var(--acc);color:var(--acc-ink);font-weight:600;font-size:15px}
.copy,.btn.ghost{background:#fff;color:var(--acc)}
.copy{margin-top:6px}
.btn.ok,.copy.ok{background:var(--ok);border-color:var(--ok);color:#fff}
.priv{font-size:13px;color:var(--soft)}
.noscript{font-size:14px;color:var(--warn-ink)}

/* Share, Embed, Cite, Prefer */
.ecp{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.ecp-solo{margin:0 0 18px}
.pill{display:inline-flex;align-items:center;gap:6px;min-height:44px;padding:0 12px;font-size:13px;color:var(--soft);background:transparent;border:1px solid var(--line);border-radius:999px;text-decoration:none}
.pill:hover,.pill[aria-expanded=true]{color:var(--ink);border-color:var(--line2)}
.pill svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.panel{margin-top:8px}
.panel p{margin:0 0 6px;font-size:13px;color:var(--soft)}
.panel textarea{width:100%;font:13px/1.4 ui-monospace,Menlo,monospace;border:1px solid var(--line);border-radius:8px;padding:8px;resize:vertical;background:#fff}

/* common values grid */
.vals{margin-top:22px;background:var(--grid);border:1px solid var(--grid-line);border-radius:var(--r);padding:12px 14px}
.vals h2{font-size:15px;margin:0 0 6px}
.vals ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:2px 12px;font-size:14px;line-height:1.5}
.vals li{padding:3px 0;border-bottom:1px solid var(--grid-line);color:var(--soft);white-space:nowrap}
.vals li b{color:var(--ink);font-weight:600}
.vals .small{font-size:13px;margin:8px 0 0}

/* on this page */
.toc{margin:22px 0 0;padding:10px 14px;border-left:3px solid var(--acc);background:var(--tint);border-radius:0 8px 8px 0}
.toc-title{margin:0 0 2px;font-size:13px;font-weight:700;color:var(--soft)}
.toc ol{margin:0;padding:0 0 0 18px;font-size:15px}
.toc li{padding:4px 0;line-height:1.45}

/* article */
main section{margin-top:6px}
h2{font-size:19px;line-height:1.3;margin:28px 0 8px}
h3{font-size:16px;margin:18px 0 6px}
p,ul,ol{margin:0 0 12px}
li{margin:2px 0}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 0 14px}
table{width:100%;border-collapse:collapse;font-size:15px}
th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:13px;color:var(--soft);font-weight:600}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
.chart-table td.num{font-weight:600}
.chart-note,.small{font-size:14px;color:var(--soft)}
code{font:14px ui-monospace,Menlo,monospace;background:var(--tint);padding:1px 4px;border-radius:4px}

/* FAQ */
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;min-height:44px;display:flex;align-items:center;justify-content:space-between;gap:10px;font-weight:600;padding:6px 0}
.faq summary::after{content:"+";font-size:20px;color:var(--soft);flex:none}
.faq details[open] summary::after{content:"\2212"}
.faq-a p{margin:0 0 10px;color:var(--soft)}

/* sources, related */
.sources ol{padding-left:20px;font-size:14px;color:var(--soft)}
.related ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.related a{display:block;padding:10px 12px;border:1px solid var(--line);border-radius:8px;text-decoration:none;color:var(--ink)}
.related a:hover{border-color:var(--line2);background:var(--grid)}
.related b{display:block;font-size:15px}
.related span{display:block;font-size:13px;color:var(--soft)}

/* footer */
.site-foot{margin:34px 0 0;padding:14px 0 24px;border-top:1px solid var(--line);font-size:13px;color:var(--soft)}
.site-foot p{margin:4px 0}
.site-foot p:first-child{font-weight:600;color:var(--ink)}
.site-foot ul{display:flex;flex-wrap:wrap;gap:0 14px;list-style:none;margin:0;padding:0}
.site-foot a{display:inline-block;min-height:44px;line-height:44px}

button:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid var(--acc);outline-offset:2px}

/* embed */
body.embed{background:transparent}
body.embed .wrap{padding:8px}
.embed-foot{font-size:12px;color:var(--soft);margin:8px 0 0}

@media (max-width:600px){.nav-panel{left:0;right:auto}}
@media (max-width:480px){.vals ul{grid-template-columns:repeat(2,minmax(0,1fr))}.nav{font-size:14px}.nav-link{padding:0 7px}}
@media (max-width:360px){.two{grid-template-columns:minmax(0,1fr)}.two .eq{display:none}}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}.card:hover,.card:focus-within{transform:none}}
@media print{.site-head,.site-foot,.ecp,.panel,.toc,.related,.no-print,.copyrow,.skip{display:none!important}.card{box-shadow:none;transform:none}a{color:inherit}}
.card>h2:first-child{margin-top:0}