:root{--reference-ink:#f0eadf;--reference-muted:#bdc6d8;--reference-blue:#81b6ff;--reference-ultramarine:#274bc2;--reference-dark:#111c33;--reference-rule:#43516c;--reference-radius:8px}
.technical-document,.technical-section{font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;color:var(--reference-ink)}
.technical-document{background:var(--reference-dark);min-height:100vh;margin:0;line-height:1.65}
.technical-document *{box-sizing:border-box}
.technical-document a,.technical-section a{color:var(--reference-blue);text-decoration:underline;text-underline-offset:4px}
.technical-document a:hover,.technical-section a:hover{color:var(--reference-ink)}
.technical-document h1,.technical-document h2,.technical-document h3,.technical-section h2,.technical-section h3{font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;font-weight:600;color:var(--reference-ink);line-height:1.08;letter-spacing:.01em}
.technical-document h1{font-size:clamp(2.7rem,6vw,4.7rem);max-width:820px;margin:18px 0 24px}
.technical-document h2,.technical-section h2{font-size:clamp(2rem,4vw,2.8rem);margin:16px 0 20px}
.technical-document h3,.technical-section h3{font-size:1.65rem;margin:0 0 12px}
.technical-document h4,.technical-section h4{font-size:.82rem;font-weight:600;letter-spacing:.06em;margin:16px 0 8px;text-transform:uppercase;color:var(--reference-muted)}
.technical-document p,.technical-section p{font-size:1rem;line-height:1.7;color:var(--reference-muted);margin:0 0 18px}
.technical-lead{font-size:1.2rem!important;line-height:1.6!important;max-width:760px}
.technical-kicker{font-size:.73rem;font-weight:700;letter-spacing:.13em;text-transform:uppercase;color:var(--reference-blue)}
.document-header{padding:25px max(24px,calc((100vw - 1160px)/2));border-bottom:1px solid var(--reference-rule);display:flex;align-items:center;justify-content:space-between;gap:24px}
.document-brand{display:flex;align-items:center;gap:12px;font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;font-size:1.8rem;font-weight:600;text-decoration:none!important;color:var(--reference-ink)!important;white-space:nowrap;line-height:1.2}
.document-logo{height:40px;width:40px;object-fit:contain;flex-shrink:0}
.document-brand-name{display:block}
.document-brand span{display:block;font-family:'Source Sans 3',sans-serif;font-size:.62rem;letter-spacing:.13em;color:var(--reference-blue);margin-top:6px}
.document-header nav{display:flex;flex-wrap:wrap;gap:8px 22px}.document-header nav a{font-size:.94rem;text-decoration:none;padding:10px 0}
.document-main{max-width:1000px;margin:0 auto;padding:65px 32px 75px}
.article-contents{border-left:3px solid var(--reference-ultramarine);padding:18px 24px;margin:35px 0 48px;display:flex;flex-direction:column;gap:10px}.article-contents strong{color:var(--reference-ink);font-size:.8rem;text-transform:uppercase;letter-spacing:.1em}
.article-section{padding:35px 0;border-top:1px solid var(--reference-rule);scroll-margin-top:30px}.article-section p{max-width:820px}.article-section li{margin:10px 0;color:var(--reference-muted)}
.article-note{margin:35px 0 0;padding:25px 30px;border-left:4px solid var(--reference-blue);background:#182b55}
.technical-section{margin-top:60px;padding:38px 0;border-top:2px solid var(--reference-ultramarine);scroll-margin-top:100px}
.technical-heading{display:flex;align-items:center;justify-content:space-between;color:var(--reference-blue)}
.how-to-list{list-style:none;padding:0;margin:36px 0}.how-to-list li{display:grid;grid-template-columns:60px 1fr;gap:22px;border-top:1px solid var(--reference-rule);padding:24px 0}.how-to-list p{max-width:830px;margin-bottom:0}
.step-index{font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;font-size:2.5rem;color:var(--reference-blue);line-height:1}
.guide-links{border-top:1px solid var(--reference-rule)}.guide-links a{padding:25px 0;display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid var(--reference-rule);text-decoration:none}.guide-links p{margin:0;max-width:760px}.guide-links a:hover h3{color:var(--reference-blue)}
.worked-example{border-top:1px solid var(--reference-rule);padding:34px 0;margin-top:32px;scroll-margin-top:40px}
.example-heading{display:flex;gap:22px;align-items:center;margin-bottom:23px}.example-heading h3{margin-top:8px;margin-bottom:0}
.example-data{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin:24px 0}.technical-document pre,.technical-section pre{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.81rem;line-height:1.7;color:var(--reference-ink);background:#0d1527;border:1px solid var(--reference-rule);border-radius:var(--reference-radius);padding:16px;margin:0 0 18px;overflow-x:auto;max-width:100%;white-space:pre-wrap;overflow-wrap:anywhere}
.example-check{border-left:2px solid var(--reference-blue);padding:4px 0 4px 18px;font-size:.94rem!important}
.technical-action{display:inline-flex;align-items:center;justify-content:center;gap:12px;background:var(--reference-ultramarine);color:var(--reference-ink)!important;min-height:44px;border:0;border-radius:var(--reference-radius);padding:12px 22px;font:600 .97rem 'Source Sans 3',sans-serif;cursor:pointer;text-decoration:none!important;transition:transform .18s ease-out,background .18s ease-out}.technical-action:hover{background:#345dde}.technical-action:active{transform:scale(.98)}
.technical-text-link{display:inline-block;margin-top:24px}
.document-footer{padding:40px max(24px,calc((100vw - 1160px)/2));border-top:1px solid var(--reference-rule)}.document-footer strong{font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;font-size:1.7rem}.document-footer nav{display:flex;flex-wrap:wrap;gap:14px 24px;margin:22px 0}.document-footer a,.document-footer p{font-size:.88rem}
.technical-skip{position:absolute;left:16px;top:-90px;z-index:80;background:var(--reference-ink);color:var(--reference-dark)!important;padding:12px}.technical-skip:focus{top:16px}
.technical-document :focus-visible,.technical-section :focus-visible{outline:2px solid var(--reference-blue);outline-offset:5px}
.reference-subnav{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:4px 24px;padding:8px 16px;border-bottom:1px solid #334155;background:#152341}.reference-subnav a{color:#bdd8ff;font-size:.8rem;padding:8px 0;min-height:36px}
#converter{scroll-margin-top:95px}
@media(max-width:700px){.document-header{align-items:flex-start;flex-direction:column;padding:20px 24px;gap:14px}.document-header nav{gap:4px 20px}.document-main{padding:42px 22px 50px}.example-data{grid-template-columns:1fr;gap:4px}.technical-section{margin-top:38px;padding-top:28px}.how-to-list li{grid-template-columns:34px 1fr;gap:16px}.step-index{font-size:2rem}.technical-document pre,.technical-section pre{font-size:.75rem;padding:12px}.article-note{padding:20px}.reference-subnav{justify-content:flex-start;gap:2px 18px}.technical-section h3{font-size:1.5rem}}
@media(prefers-reduced-motion:reduce){.technical-action{transition:none}.technical-action:active{transform:none}}