.page.article-layout{display:grid;grid-template-columns:68% 22%;column-gap:10%;max-width:1240px;margin:0 auto 120px;padding-top:22px}.article-main{min-width:0}.article-heading{padding:12px 0 30px;border-bottom:1px solid var(--border)}.article-heading h1{max-width:960px;font:600 clamp(2.2rem,5vw,3.7rem)/1.08 var(--font-display);letter-spacing:-.04em;margin:15px 0}.article-heading p{max-width:790px;font-size:1.05rem;line-height:1.7;color:var(--text-secondary);margin:0}.meta-line{display:flex;flex-wrap:wrap;gap:10px;color:var(--text-muted);font-size:.8rem;margin-top:18px}.article-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}.toc{position:sticky;top:100px;align-self:start;max-height:calc(100vh - 124px);overflow:auto;scrollbar-width:none;padding:4px 0 4px 18px;border-left:1px solid var(--border);background:transparent}.toc::-webkit-scrollbar{display:none}.toc-title b{color:var(--text-primary);font-size:.76rem;text-transform:uppercase;letter-spacing:.1em}.toc-progress-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:10px;color:var(--text-muted);font-size:.72rem;font-weight:600}.toc-progress-meta span:first-child{white-space:nowrap}.toc-progress-meta span:last-child{padding:3px 7px;border-radius:var(--radius-pill);background:color-mix(in srgb,var(--accent) 14%,transparent);color:var(--accent);font-family:var(--font-mono)}.toc-progress{height:5px;margin:8px 0 12px;overflow:hidden;border-radius:var(--radius-pill);background:var(--border)}.toc-progress span{display:block;width:100%;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--accent),color-mix(in srgb,var(--accent) 60%,#fff));box-shadow:0 0 10px color-mix(in srgb,var(--accent) 65%,transparent);transform:scaleX(0);transform-origin:left}.toc-links a{display:block;color:var(--text-muted);font-size:.8rem;line-height:1.42;margin-top:10px}.toc-links a[data-depth="3"]{padding-left:12px;font-size:.76rem}.toc-links a:hover,.toc-links a[aria-current]{color:var(--accent)}.toc-links a[aria-current]{font-weight:600}.prose{font-size:1rem;line-height:1.8;color:var(--text-secondary);padding-top:30px}.prose :is(h2,h3,h4){color:var(--text-primary);font-family:var(--font-display);line-height:1.2;scroll-margin-top:95px}.prose h2{font-size:1.8rem;margin:2.8rem 0 .9rem}.prose h3{font-size:1.35rem;margin:2rem 0 .6rem}.prose a{color:var(--accent);text-decoration:underline}.prose code{font-family:var(--font-mono);font-size:.84em;background:var(--surface-raised);padding:.15em .35em;border-radius:4px}.prose pre{position:relative;border:1px solid var(--border);border-radius:var(--radius-md);padding:18px;overflow:auto;background:#12110f}.prose pre code{padding:0;background:none}.code-copy{position:absolute;top:10px;right:10px;border:1px solid color-mix(in srgb,var(--accent) 38%,var(--border));border-radius:var(--radius-sm);padding:5px 8px;background:color-mix(in srgb,var(--surface-raised) 86%,transparent);color:var(--text-primary);font-size:.72rem;cursor:pointer}.code-copy:hover{border-color:var(--accent);background:var(--surface-raised)}.prose blockquote{margin:1.5rem 0;border-left:3px solid var(--accent);padding:1rem 1.25rem;background:var(--surface-raised);color:var(--text-primary);font-style:italic}.table-scroll{position:relative;margin:1.75rem 0;overflow-x:auto}.prose .table-scroll table{display:table;width:100%;margin:0;border-collapse:separate;border-spacing:0;border:1px solid var(--border-strong);border-radius:var(--radius-md);overflow:hidden;font-size:.92em;line-height:1.55}.table-scroll-cue{display:none}.prose th,.prose td{padding:12px 14px;border:0;border-bottom:1px solid var(--border);text-align:left;vertical-align:top}.prose th{background:var(--surface-raised);color:var(--text-primary);font-weight:600}.prose th+th,.prose td+td{border-left:1px solid var(--border)}.prose tbody tr:nth-child(2n){background:color-mix(in srgb,var(--surface-raised) 55%,transparent)}.prose tbody tr:last-child td{border-bottom:0}.related{border-top:1px solid var(--border);margin-top:48px;padding-top:22px}.related .article-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.selection-search{position:fixed;z-index:20}.selection-search[data-position=above]{transform:translateY(-100%)}.selection-search button{border:1px solid color-mix(in srgb,var(--accent) 55%,var(--border));border-radius:999px;background:var(--surface-raised);box-shadow:0 6px 18px #0002;color:var(--text-secondary);cursor:pointer;font:600 .72rem var(--font-body);letter-spacing:.01em;padding:6px 10px}.selection-search button:hover,.selection-search button:focus-visible{background:var(--accent);border-color:var(--accent);color:var(--surface)}@media(max-width:960px){.page.article-layout{display:block;margin-top:32px}.toc{position:relative;top:auto;max-height:none;margin:28px 0;padding:16px;border:1px solid var(--border);border-radius:var(--radius-md);background:var(--surface-raised)}.toc-links{columns:2;column-gap:18px}.toc-links a{break-inside:avoid}.article-main{max-width:none}}@media(max-width:520px){.toc-links{columns:1}}@media(max-width:720px){.page.article-layout{margin-top:16px;margin-bottom:72px;padding-top:0}.back-link{margin-top:12px;margin-bottom:18px}.article-heading{padding-bottom:24px}.article-heading h1{font-size:clamp(2rem,10vw,2.6rem);letter-spacing:-.03em}.article-heading p{font-size:1rem;line-height:1.65}.meta-line{gap:8px}.prose{padding-top:24px;font-size:.98rem;line-height:1.75}.prose h2{font-size:1.6rem;margin-top:2.4rem}.prose h3{font-size:1.25rem}.prose pre{padding:14px;border-radius:var(--radius-sm)}.prose th,.prose td{padding:10px 12px}.toc{margin:24px 0;padding:14px}.related{margin-top:40px}.related h2{font-size:1.5rem}}.section-picker{display:none}.back-to-top{position:fixed;right:16px;bottom:18px;z-index:15;border:1px solid color-mix(in srgb,var(--accent) 48%,var(--border));border-radius:var(--radius-pill);padding:9px 12px;background:color-mix(in srgb,var(--surface) 90%,transparent);box-shadow:0 6px 20px #0003;color:var(--text-primary);font:600 .78rem var(--font-body);cursor:pointer}.back-to-top:hover{border-color:var(--accent);background:var(--surface-raised)}.diagram-expand{display:inline-flex;margin-top:10px;border:1px solid var(--border-strong);border-radius:var(--radius-sm);padding:7px 9px;background:var(--surface-raised);color:var(--text-primary);font-size:.76rem;font-weight:600;cursor:pointer}.diagram-expand:hover{border-color:var(--accent);color:var(--accent)}.diagram-dialog{width:min(1100px,calc(100% - 24px));max-height:calc(100dvh - 24px);padding:38px 16px 16px;border:1px solid var(--border-strong);border-radius:var(--radius-md);background:var(--surface);box-shadow:0 24px 80px #0008}.diagram-dialog::backdrop{background:#000a}.diagram-dialog img{display:block;max-width:100%;max-height:calc(100dvh - 90px);margin:auto}.diagram-close{position:absolute;top:8px;right:10px;width:30px;height:30px;border:0;border-radius:50%;background:var(--surface-raised);color:var(--text-primary);font-size:22px;line-height:1;cursor:pointer}@media(max-width:720px){.section-picker{display:grid;gap:5px;margin-top:18px;color:var(--text-muted);font-size:.72rem;font-weight:600}.section-picker select{width:100%;border:1px solid var(--border-strong);border-radius:var(--radius-sm);padding:9px 10px;background:var(--surface-raised);color:var(--text-primary)}.toc{display:none}.table-scroll-cue{position:sticky;right:8px;bottom:7px;float:right;display:block;width:max-content;margin-top:-30px;margin-right:8px;padding:4px 7px;border:1px solid color-mix(in srgb,var(--accent) 30%,var(--border));border-radius:var(--radius-pill);background:color-mix(in srgb,var(--surface) 90%,transparent);box-shadow:0 2px 8px #0002;color:var(--text-primary);font-size:.68rem;pointer-events:none}.back-to-top{right:12px;bottom:12px}}.missing-section{scroll-margin-top:95px;padding:12px 16px;border:1px solid var(--border-strong);border-radius:var(--radius-sm);background:var(--surface-raised);color:var(--text-primary)}.missing-section a{color:var(--accent);text-decoration:underline}