.chapter-layout{display:grid;grid-template-columns:220px minmax(0,1fr) 320px;gap:56px;padding:32px 0 64px;align-items:start}.toc{position:sticky;top:140px;font-size:var(--text-sm);border-right:1px solid var(--color-rule);padding-right:24px;max-height:calc(100vh - 160px);overflow-y:auto}.toc h4{font-family:var(--font-mono);font-size:10px;text-transform:uppercase;letter-spacing:.14em;color:var(--color-ink-3);font-weight:500;margin:0 0 12px}.toc .part-label{font-family:var(--font-serif);font-size:var(--text-sm);color:var(--color-ink-2);font-style:italic;margin-bottom:10px}.toc ul{list-style:none;padding:0;margin:0 0 24px}.toc li a{display:block;padding:6px 0 6px 12px;color:var(--color-ink-2);font-size:var(--text-sm);border-left:2px solid transparent;margin-left:-2px;transition:border-color .12s,color .12s;line-height:1.4}.toc li a:hover{color:var(--color-ink);text-decoration:none}.toc li a.current{border-left-color:var(--color-petrol);color:var(--color-ink);font-weight:600}.toc li a.sub{padding-left:28px;font-size:var(--text-xs);color:var(--color-ink-3)}.toc li a.sub.current{color:var(--color-petrol);font-weight:500}.ch-head{margin-bottom:32px;padding-bottom:28px;border-bottom:1px solid var(--color-rule)}.ch-head .crumbs{display:flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:var(--text-xs);color:var(--color-ink-3);letter-spacing:.06em;margin-bottom:16px}.ch-head .crumbs a{color:var(--color-ink-3)}.ch-head .crumbs a:hover{color:var(--color-ink)}.ch-head .crumbs .sep{color:var(--color-rule)}.ch-head h1{font-size:var(--text-3xl);line-height:1.05;max-width:18ch;margin:8px 0 16px}.ch-head .summary{font-family:var(--font-serif);font-size:var(--text-xl);line-height:1.4;color:var(--color-ink-2);font-weight:380;letter-spacing:-.01em;max-width:var(--measure);margin-bottom:24px}.ch-head .meta-row{display:flex;flex-wrap:wrap;gap:14px 24px;font-family:var(--font-mono);font-size:var(--text-xs);color:var(--color-ink-3);letter-spacing:.04em;align-items:center}.ch-head .meta-row .item{display:flex;gap:6px;align-items:center}.ch-head .meta-row .item strong{color:var(--color-ink-2);font-weight:500}.ch-body section{margin-bottom:40px}.ch-body h2{font-size:var(--text-2xl);margin:28px 0 14px;max-width:var(--measure)}.ch-body h3{font-family:var(--font-serif);font-size:var(--text-lg);margin:24px 0 10px;color:var(--color-ink)}.ch-body p{font-size:var(--text-md);line-height:1.65;color:var(--color-ink-2);max-width:var(--measure);margin:0 0 14px;text-wrap:pretty}.ch-body ul,.ch-body ol{max-width:var(--measure);padding-left:22px;color:var(--color-ink-2);font-size:var(--text-md);line-height:1.6}.ch-body li{margin-bottom:8px}.ch-body li strong{color:var(--color-ink);font-weight:600}.level-marker{display:inline-block;font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--color-ink-3);padding:4px 10px;border:1px solid var(--color-rule);border-radius:99px;margin-bottom:14px}.level-marker:before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--color-ink-3);margin-right:8px;vertical-align:1px}.level-marker.l2{color:var(--color-amber);border-color:var(--color-amber)}.level-marker.l2:before{background:var(--color-amber)}.level-marker.l3{color:var(--color-petrol);border-color:var(--color-petrol)}.level-marker.l3:before{background:var(--color-petrol)}.limits-table{width:100%;border-collapse:collapse;margin:18px 0;font-size:var(--text-sm)}.limits-table th{background:var(--color-paper-2);text-align:left;font-family:var(--font-mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--color-ink-3);font-weight:500;padding:12px 16px;border-bottom:1px solid var(--color-rule)}.limits-table td{padding:14px 16px;border-bottom:1px solid var(--color-rule);vertical-align:top}.limits-table td.obj{font-family:var(--font-serif);color:var(--color-ink)}.limits-table td.val{font-family:var(--font-mono);color:var(--color-ink);white-space:nowrap}.limits-table td.nota{font-family:var(--font-mono);font-size:var(--text-xs);color:var(--color-ink-3);letter-spacing:.04em}.process-steps{display:flex;flex-direction:column;gap:0;counter-reset:ps;margin:16px 0}.process-steps .step{counter-increment:ps;display:grid;grid-template-columns:48px 1fr;gap:16px;padding:16px 0;border-bottom:1px dotted var(--color-rule)}.process-steps .step:before{content:counter(ps,decimal-leading-zero);font-family:var(--font-mono);font-size:16px;color:var(--color-petrol);letter-spacing:.04em}.process-steps .step h4{font-family:var(--font-serif);font-size:var(--text-md);margin:0 0 6px}.process-steps .step p{font-size:var(--text-sm);margin:0 0 8px}.process-steps .step .who{display:flex;gap:18px;flex-wrap:wrap;font-family:var(--font-mono);font-size:10px;color:var(--color-ink-3);letter-spacing:.04em}.process-steps .step .who strong{color:var(--color-ink-2);font-weight:500}.faq details{border-bottom:1px solid var(--color-rule);padding:4px 0}.faq details:last-of-type{border-bottom:0}.faq summary{cursor:pointer;list-style:none;font-family:var(--font-serif);font-size:var(--text-md);color:var(--color-ink);padding:14px 0 14px 28px;position:relative}.faq summary::-webkit-details-marker{display:none}.faq summary:before{content:"+";position:absolute;left:0;top:12px;font-family:var(--font-mono);font-size:18px;color:var(--color-petrol);transition:transform .16s}.faq details[open] summary:before{content:"−"}.faq details>div,.faq details>p{font-size:var(--text-sm);color:var(--color-ink-2);line-height:1.55;max-width:var(--measure);padding:0 0 18px 28px}.chapter-foot{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:64px}.chapter-foot a{display:flex;flex-direction:column;gap:6px;border:1px solid var(--color-rule);border-radius:var(--radius-DEFAULT);padding:18px 22px;text-decoration:none;color:inherit;transition:border-color .14s}.chapter-foot a:hover{border-color:var(--color-ink-2)}.chapter-foot .nav-next{text-align:right}.chapter-foot .dir{font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;color:var(--color-petrol)}.chapter-foot .ttl{font-family:var(--font-serif);font-size:var(--text-md);color:var(--color-ink)}.ch-dorsal{position:sticky;top:140px;align-self:start;border-left:1px solid var(--color-rule);padding-left:28px;font-size:var(--text-sm);max-height:calc(100vh - 160px);overflow-y:auto}.ch-dorsal h4{font-family:var(--font-mono);font-size:10px;text-transform:uppercase;letter-spacing:.14em;color:var(--color-ink-3);font-weight:500;margin:0 0 12px}.ch-dorsal h4:not(:first-of-type){margin-top:24px}.ch-dorsal .src,.ch-dorsal .related{display:flex;flex-direction:column;gap:6px}.ch-dorsal .src a{display:flex;justify-content:space-between;gap:12px;padding:10px 12px;border:1px solid var(--color-rule);border-radius:var(--radius-DEFAULT);text-decoration:none;color:inherit}.ch-dorsal .src a:hover{border-color:var(--color-ink-2);text-decoration:none}.ch-dorsal .src .nm{font-family:var(--font-serif);font-size:var(--text-sm);color:var(--color-ink)}.ch-dorsal .src .ref{font-family:var(--font-mono);font-size:10px;color:var(--color-ink-3)}.ch-dorsal .related a{font-family:var(--font-serif);font-size:var(--text-sm);color:var(--color-ink-2);padding:6px 0}.ch-dorsal .related a:hover{color:var(--color-petrol);text-decoration:none}@media(max-width:1100px){.chapter-layout{grid-template-columns:1fr;gap:24px}.toc,.ch-dorsal{position:static;border-right:0;border-left:0;padding-right:0;padding-left:0;max-height:none}.toc{border-bottom:1px solid var(--color-rule);padding-bottom:20px}.ch-dorsal{border-top:1px solid var(--color-rule);padding-top:24px}.chapter-foot{grid-template-columns:1fr}}
