/* TrackFlyer readable layout 1.0.0 */

/* The theme sets body text to Manrope 300, which reads thin. */
body{font-weight:400}

/* ---------- long pages: reading column ---------- */
.tf-read{display:grid;grid-template-columns:minmax(0,1fr);column-gap:48px}
.tf-read>*{min-width:0}
.tf-read p,.tf-read li{font-size:17px;line-height:1.75;font-weight:400;color:#1e293b}
.tf-read h2{scroll-margin-top:20px}
.tf-read h2+p{margin-top:0}

/* contents list */
.tf-toc{order:0;margin:8px 0 28px;border:1px solid #e2e8f0;border-radius:14px;background:#f8fafc;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif}
.tf-toc-cb{position:absolute;opacity:0;width:1px;height:1px;pointer-events:none}
.tf-toc-h{display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:52px;padding:0 16px;margin:0;font-size:15px;font-weight:750;color:#001840;cursor:pointer;user-select:none}
.tf-toc-h span{margin-left:auto;font-size:12px;font-weight:700;color:#0058b8;background:#e0eefc;border-radius:999px;padding:2px 8px}
.tf-toc-h:after{content:"";width:9px;height:9px;border-right:2px solid #64748b;border-bottom:2px solid #64748b;transform:rotate(45deg);margin:-4px 2px 0 4px;transition:transform .15s}
.tf-toc-cb:checked~.tf-toc-h:after{transform:rotate(-135deg);margin-top:4px}
.tf-toc-cb:focus-visible~.tf-toc-h{outline:2px solid #0058b8;outline-offset:-2px;border-radius:14px}
.tf-toc ol{display:none;list-style:none;margin:0;padding:4px 8px 12px;counter-reset:tf}
.tf-toc-cb:checked~ol{display:block}
.tf-toc li{margin:0;padding:0;font-size:15px;line-height:1.35;counter-increment:tf}
.tf-read .tf-toc a,.tf-toc a{display:block;padding:8px 10px;border-radius:8px;color:#334155;text-decoration:none;font-weight:500;border-left:2px solid transparent}
.tf-read .tf-toc a:hover,.tf-toc a:hover{background:#eef4fb;color:#001840}
.tf-read .tf-toc a.is-on,.tf-toc a.is-on{color:#0058b8;font-weight:700;border-left-color:#0058b8;background:#eef4fb;border-radius:0 8px 8px 0}

/* tool-card rail */
.tf-rail{order:999;margin:48px 0 8px;display:grid;gap:12px;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif}
.tf-rail-h{margin:0 0 2px!important;font-size:12.5px!important;font-weight:750!important;letter-spacing:.07em;text-transform:uppercase;color:#64748b!important;line-height:1.4!important}
.tf-card{display:flex;align-items:flex-start;gap:12px;padding:14px 16px;border:1px solid #e2e8f0;border-radius:14px;background:#fff;text-decoration:none!important;color:#1e293b;transition:border-color .12s,box-shadow .12s}
a.tf-card:hover{border-color:#0058b8;box-shadow:0 6px 18px rgba(0,24,64,.08)}
.tf-card-i{flex:0 0 auto;display:grid;place-items:center;width:40px;height:40px;border-radius:10px;background:#e0eefc;color:#0058b8}
.tf-card-t{display:flex;flex-direction:column;gap:2px;min-width:0}
.tf-card b{font-size:15.5px;color:#001840;font-weight:750;line-height:1.3}
.tf-card-t>span{font-size:14px;color:#475569;line-height:1.45;font-weight:400}
.tf-card-cta{flex-direction:column;gap:6px;background:#001840;border-color:#001840}
.tf-card-cta b{color:#fff}
.tf-card-cta span{font-size:14px;color:#a8cdf2;line-height:1.45}
.tf-card-cta a{display:inline-flex;align-self:flex-start;align-items:center;min-height:42px;margin-top:6px;padding:0 16px;border-radius:9px;background:#0058b8;color:#fff!important;font-weight:700;font-size:15px;text-decoration:none!important}

/* the scanner's own inline topic lists double up with the contents list on wide screens */
@media(max-width:1099px){
.tf-read:has(.tfx-toc)>.tf-toc{display:none}
}

/* tablets: two rail cards side by side at the end */
@media(min-width:640px) and (max-width:1099px){
.tf-rail{grid-template-columns:1fr 1fr}
.tf-rail-h{grid-column:1/-1}
}

/* laptops: contents list + reading column, cards after the article */
@media(min-width:1100px){
.tfx.tf-read,.tfa-body.tf-read{max-width:1000px!important;margin-left:auto!important;margin-right:auto!important}
.tf-read{grid-template-columns:240px minmax(0,680px);justify-content:center}
.tf-read>*{grid-column:2}
.tf-read>.tf-toc{grid-column:1;grid-row:1/span 600;align-self:start;position:sticky;top:20px;margin:6px 0 0;max-height:calc(100vh - 40px);overflow:auto;background:none;border:0;border-radius:0}
.tf-read>.tf-toc .tf-toc-h{cursor:default;pointer-events:none;min-height:0;padding:0 10px 10px;font-size:12.5px;letter-spacing:.07em;text-transform:uppercase;color:#64748b}
.tf-read>.tf-toc .tf-toc-h:after,.tf-read>.tf-toc .tf-toc-h span{display:none}
.tf-read>.tf-toc ol{display:block;padding:0;border-left:1px solid #e2e8f0}
.tf-read>.tf-toc a{font-size:14px;padding:6px 10px 6px 14px;margin-left:-1px;border-radius:0}
.tf-read .tfx-toc,.tf-read .tfx-group:has(+ .tfx-toc){display:none}
.tf-read>.tf-rail{grid-template-columns:repeat(3,minmax(0,1fr))}
.tf-read>.tf-rail .tf-rail-h{grid-column:1/-1}
.tf-read>.tf-rail .tf-card-cta{grid-column:1/-1;flex-direction:row;flex-wrap:wrap;align-items:center;gap:6px 16px}
.tf-read>.tf-rail .tf-card-cta a{margin:0 0 0 auto}
.tf-read p,.tf-read li{font-size:18px}
}

/* wide screens: contents | article | rail */
@media(min-width:1380px){
.tfx.tf-read,.tfa-body.tf-read{max-width:1300px!important}
.tf-read{grid-template-columns:240px minmax(0,680px) 280px}
.tf-read>.tf-rail{grid-column:3;grid-row:1/span 600;align-self:start;position:sticky;top:20px;margin:6px 0 0;grid-template-columns:1fr;order:0}
.tf-read>.tf-rail .tf-card-cta{flex-direction:column;align-items:flex-start}
.tf-read>.tf-rail .tf-card-cta a{margin:6px 0 0}
}