.case-shell{min-width:0}.case-shell.has-toc{grid-template-columns:minmax(0,1fr) 11rem;align-items:start;gap:2.5rem;display:grid}.case{min-width:0}@media (width<=1200px){.case-shell.has-toc{grid-template-columns:1fr}}.toc{z-index:30;overscroll-behavior:contain;background:var(--bg-color);max-height:calc(100vh - 1.5rem);padding:.35rem 0 .75rem;position:sticky;top:.75rem;overflow-y:auto}.toc ul{border-left:1px solid #5f503824;margin:.45rem 0 0;padding:0;list-style:none}.toc a{font-size:var(--type-kicker);letter-spacing:.04em;color:var(--text-muted);overflow-wrap:anywhere;border-left:2px solid #0000;margin-left:-1px;padding:.28rem 0 .28rem .75rem;line-height:1.35;text-decoration:none;display:block}.toc a:hover{color:var(--text-main);border-left-color:var(--text-main)}.toc a.is-on{color:var(--accent);border-left-color:var(--accent)}@media (width<=1200px){.toc{display:none}}.crumb{font-size:var(--type-meta);color:var(--text-muted);flex-wrap:wrap;align-items:baseline;gap:.25rem;margin-bottom:1.15rem;display:flex}.crumb a{color:var(--text-muted);transition:color var(--dur-fast) ease;text-decoration:none}.crumb a:hover{color:var(--text-main);text-decoration:underline}.crumb-time{margin-left:auto}.case-title{letter-spacing:-.04em;color:var(--text-main);margin:.45rem 0 0;font-size:clamp(1.85rem,5vw,3.1rem);font-weight:800;line-height:1.08}.case-meta{color:var(--text-muted);flex-wrap:wrap;gap:.35rem 1rem;margin:.55rem 0 0;font-size:1.02rem;font-weight:500;display:flex}.case-hero-stack{flex-wrap:wrap;gap:.4rem .55rem;margin-top:.75rem;display:flex}.case-hero-stack .stack-badge{font-size:var(--type-meta);letter-spacing:.03em;color:var(--text-main);white-space:nowrap;background:#5f503814;border:1px solid #5f503829;border-radius:3px;align-items:center;padding:.2rem .6rem;line-height:1.25;display:inline-flex}.case .xyz{font-size:var(--type-body);color:var(--text-main);max-width:42rem;margin:.85rem 0 0;line-height:1.55}.case>.hero-actions{margin-top:1rem}.hero-well{background:var(--card-bg);border:1px solid #5f50381f;justify-content:center;min-width:0;margin:1.75rem 0 0;padding:0;display:flex}.hero-well>img{object-fit:contain;object-position:top center;background:var(--card-bg);width:100%;max-width:100%;height:auto;display:block}.hero-well.is-phone>img{object-fit:contain;object-position:top center;width:auto;max-width:min(220px,100%);margin:0 auto}@media (prefers-reduced-motion:no-preference){.hero-well{animation:case-rise var(--dur-enter) var(--ease-out) both}}@keyframes case-rise{0%{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}.meta-rail{border-top:1px solid #5f50381f;border-bottom:1px solid #5f50381f;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem 1.5rem;margin:1.75rem 0 0;padding:1.1rem 0;display:grid}.meta-rail dt{font-size:var(--type-caption);letter-spacing:.1em;text-transform:uppercase;color:var(--text-muted);margin:0 0 .3rem}.meta-rail dd{color:var(--text-main);margin:0;font-size:.95rem;line-height:1.4}.case>section,.case .markdown-article{margin-top:2.35rem;scroll-margin-top:1rem}.case .overview{font-size:var(--type-body);color:var(--text-main);max-width:42rem;margin:.85rem 0 0;line-height:1.55}.case .target{font-size:var(--type-meta);color:var(--text-muted);margin:.45rem 0 0}.decision-row,.ba-row{border-bottom:1px solid #5f50381a;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem 1.5rem;padding:1rem 0;display:grid}.decision-row{grid-template-columns:repeat(3,minmax(0,1fr))}.decision-row p,.ba-row p{color:var(--text-main);overflow-wrap:break-word;margin:.25rem 0 0;font-size:.95rem;line-height:1.5}.decision-row strong,.ba-row strong{color:var(--text-main);margin-top:.25rem;font-size:.95rem;line-height:1.4;display:block}.stack-block{margin-top:.55rem}.stack-line{letter-spacing:-.01em;color:var(--text-main);flex-wrap:wrap;align-items:baseline;row-gap:.2rem;margin:.35rem 0 0;font-size:.98rem;line-height:1.55;display:flex}.stack-kicker{font-size:var(--type-kicker);letter-spacing:.1em;text-transform:uppercase;color:var(--accent);flex:0 0 5.5rem;margin-right:.75rem;font-weight:700}.stack-line span:not(.stack-kicker){overflow-wrap:anywhere}.stack-line span:not(.stack-kicker):not(:nth-child(2)):before{content:"·";color:var(--text-muted);margin-right:.4rem}.notes{grid-template-columns:repeat(2,minmax(0,1fr));gap:1.5rem;display:grid}.notes ul{color:var(--text-main);margin:.45rem 0 0;padding-left:1.1rem;font-size:.95rem;line-height:1.55}.markdown-article{min-width:0;max-width:100%;color:var(--text-main);overflow-wrap:break-word;margin-top:2.5rem;scroll-margin-top:1rem;font-size:1.02rem;line-height:1.65}.markdown-article>p,.markdown-article>ul,.markdown-article>ol,.markdown-article>blockquote,.markdown-article>h2,.markdown-article>h3{max-width:42rem}.markdown-article h2{letter-spacing:-.03em;margin:2.25rem 0 .7rem;scroll-margin-top:1rem;font-size:1.25rem;font-weight:800;line-height:1.25}.markdown-article h3{letter-spacing:-.02em;color:var(--text-main);margin:1.55rem 0 .5rem;scroll-margin-top:1rem;font-size:1.05rem;font-weight:700;line-height:1.3}.markdown-article p{margin:.7rem 0}.markdown-article ul,.markdown-article ol{margin:.55rem 0;padding-left:1.2rem}.markdown-article li{margin:.25rem 0}.markdown-article li::marker{color:var(--text-muted)}.markdown-article img{background:var(--card-bg);object-fit:contain;object-position:top left;border:1px solid #5f50381f;width:100%;max-width:100%;height:auto;margin:1rem 0 1.35rem;display:block}.markdown-article p:has(>img){min-width:0;max-width:100%}.markdown-article p:has(>img:only-child){background:var(--card-bg);border:1px solid #5f50381f;margin:.85rem 0 1.35rem;padding:.65rem}.markdown-article p:has(>img:only-child) img{border:0;width:100%;max-width:100%;height:auto;margin:0}.markdown-article table{border-collapse:collapse;overscroll-behavior-x:contain;-webkit-overflow-scrolling:touch;width:100%;max-width:100%;margin:1rem 0 1.35rem;font-size:.95rem;line-height:1.5;display:block;overflow-x:auto}.markdown-article thead,.markdown-article tbody,.markdown-article tr{width:100%}.markdown-article th,.markdown-article td{text-align:left;vertical-align:top;border-bottom:1px solid #5f50381a;padding:.55rem .75rem .55rem 0}.markdown-article th{font-family:var(--font-mono,ui-monospace, monospace);font-size:var(--type-caption);letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted);white-space:nowrap;font-weight:700}.markdown-article pre{overscroll-behavior-x:contain;background:var(--card-bg);border:1px solid #5f50381f;max-width:100%;margin:1rem 0;padding:.9rem 1rem;font-size:.875rem;line-height:1.5;overflow-x:auto}.markdown-article code{font-size:.9em}.markdown-article :not(pre)>code{background:var(--card-bg);border:1px solid #5f50381a;padding:.1em .35em}.markdown-article hr{border:0;border-top:1px solid #5f50381f;margin:1.75rem 0}.markdown-article blockquote{border-left:2px solid var(--accent);color:var(--text-muted);margin:1rem 0;padding:.15rem 0 .15rem 1rem}.markdown-article .mermaid{background:var(--card-bg);border:1px solid #5f50381f;max-width:100%;margin:1.25rem 0;padding:1rem;overflow-x:auto}.adjacent{border-top:1px solid #5f50381f;grid-template-columns:1fr 1fr;gap:1rem;margin-top:2.5rem;padding-top:1.15rem;display:grid}.adjacent a{color:inherit;flex-direction:column;gap:.25rem;min-width:0;text-decoration:none;display:flex}.adjacent .next{text-align:right}.adjacent a:hover span:last-child{color:var(--text-main);text-decoration:underline}.case .close .hero-actions{margin-top:1rem}@media (width<=900px){.meta-rail,.decision-row,.ba-row,.notes{grid-template-columns:1fr}.stack-kicker{flex-basis:100%}.adjacent{grid-template-columns:1fr}.adjacent .next{text-align:left}}