.fsw{--code-fg:var(--home-code);--tok-com:var(--home-quiet)}.fsw .doc-shell{max-width:var(--shell-max);padding:0 var(--gutter) 80px;grid-template-columns:216px minmax(0,1fr);gap:32px;margin:0 auto;display:grid}.fsw .toc{border-right:1px solid var(--home-line);align-self:start;height:calc(100vh - 68px);padding:30px 18px 30px 0;position:sticky;top:68px;overflow-y:auto}.fsw .toc-kicker{color:var(--home-accent-ink);font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.1em;margin-bottom:14px;padding-left:12px;font-size:11px;font-weight:650}.fsw .toc-nav{flex-direction:column;gap:1px;display:flex}.fsw .toc-nav a{color:var(--home-muted);border-left:2px solid #0000;padding:7px 12px;font-size:12.5px}.fsw .toc-nav a:hover{color:var(--text);text-decoration:none}.fsw .toc-note{color:var(--quiet);margin-top:18px;padding:0 12px;font-size:11.5px;line-height:1.5}.fsw .fsw-main{min-width:0}.fsw .lede{grid-template-columns:minmax(0,1.08fr) minmax(280px,.92fr);align-items:end;gap:20px clamp(36px,5vw,72px);padding:24px 0 42px;display:grid}.fsw .eyebrow{color:var(--home-accent-ink);font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.1em;grid-column:1/-1;margin:0;font-size:11px;font-weight:650}.fsw .lede h1{max-width:17ch;color:var(--home-ink);letter-spacing:-.052em;text-wrap:balance;margin:0;font-size:clamp(40px,4.6vw,58px);font-weight:520;line-height:.98}.fsw .lede-copy{max-width:58ch;color:var(--home-muted);text-wrap:pretty;margin:0;font-size:15.5px;line-height:1.62}.fsw .lede-facts{border:1px solid var(--home-ink);grid-column:1/-1;grid-template-columns:repeat(3,1fr);margin-top:12px;display:grid}.fsw .lede-facts div{border-right:1px solid var(--home-line);background:var(--home-paper);padding:16px}.fsw .lede-facts div:last-child{border-right:0}.fsw .lede-facts dt{color:var(--text);font-size:13px;font-weight:640}.fsw .lede-facts dd{color:var(--muted);margin-top:6px;font-size:13px;line-height:1.5}.fsw .lede-facts code,.fsw .lede-copy code{background:var(--panel-2);color:var(--text);border-radius:4px;padding:0 .3em}.fsw .doc-section{border-top:1px solid var(--home-line-strong);padding:30.667px 0 46px}.fsw .section-head{grid-template-columns:40px 1fr;align-items:start;gap:14px;margin-bottom:24px;display:grid}.fsw .section-no{border:1px solid var(--home-ink);background:var(--home-paper);width:32px;height:32px;color:var(--home-accent-ink);font-family:var(--font-mono);border-radius:2px;place-items:center;font-size:11.5px;font-weight:650;display:grid}.fsw .section-head h2{max-width:30ch;color:var(--home-ink);letter-spacing:-.04em;text-wrap:balance;font-size:clamp(24px,2.7vw,32px);font-weight:520;line-height:1}.fsw .section-lead{max-width:74ch;color:var(--home-muted);text-wrap:pretty;margin-top:9px;font-size:14.5px;line-height:1.6}.fsw .section-lead em,.fsw .section-lead code,.fsw .callout code,.fsw p code{color:var(--text)}.fsw .section-lead code,.fsw .callout code,.fsw .why code{background:var(--panel-2);border-radius:4px;padding:0 .3em}.fsw .why{border-left:3px solid var(--home-accent);background:var(--home-paper-soft);max-width:74ch;color:var(--home-muted);margin-top:20px;padding:10px 14px;font-size:13.5px;line-height:1.55}.fsw .why strong{color:var(--home-accent-ink);font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.08em;font-size:11px;font-weight:650}.fsw .callout{border:1px solid var(--home-line-strong);border-left:3px solid var(--home-accent);background:var(--home-paper-soft);border-radius:3px;margin-top:22px;padding:16px 18px}.fsw .callout-tag{color:var(--accent);font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.08em;margin-bottom:6px;font-size:11px}.fsw .callout p:last-child{color:var(--muted);font-size:14px}.fsw .code-pair{border:1px solid var(--home-line-strong);grid-template-columns:minmax(0,1fr) minmax(0,1fr);margin-top:22px;display:grid}.fsw .code-card{background:var(--home-paper);flex-direction:column;min-width:0;margin:0;display:flex}.fsw .code-card+.code-card{border-left:1px solid var(--home-line-strong)}.fsw .code-card figcaption{border-bottom:1px solid var(--home-line);color:var(--quiet);font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.08em;padding:9px 14px;font-size:11px}.fsw .code-card--tui figcaption{color:var(--home-accent-ink)}.fsw .code-card--tui{background:var(--home-paper-soft)}.fsw .code{color:var(--code-fg);font-family:var(--font-mono);flex:1;margin:0;padding:14px 16px;font-size:12.5px;line-height:1.62;overflow-x:auto}.fsw .code code{min-width:max-content;font-size:inherit;white-space:pre;display:block}.fsw .adds{border-top:1px solid var(--home-line-strong);border-left:1px solid var(--home-line-strong);grid-template-columns:repeat(3,minmax(0,1fr));margin-top:22px;display:grid}.fsw .add-card{border-right:1px solid var(--home-line-strong);border-bottom:1px solid var(--home-line-strong);background:var(--home-paper);min-width:0;padding:18px}.fsw .add-card h3{font-size:14.5px;font-weight:650}.fsw .add-card p{color:var(--muted);margin-top:8px;font-size:13px;line-height:1.55}.fsw .add-card code{background:var(--panel-2);color:var(--text);border-radius:4px;padding:0 .3em;font-size:12px}.fsw .register-tags{flex-wrap:wrap;gap:8px;margin-top:18px;display:flex}.fsw .register-tag{border:1px solid var(--home-line-strong);color:var(--muted);font-family:var(--font-mono);border-radius:999px;padding:5px 11px;font-size:11.5px}.fsw .register-tag strong{color:var(--home-accent-ink);font-weight:650}.fsw .cta-row{flex-wrap:wrap;gap:10px;margin-top:26px;display:flex}.fsw .cta{border:1px solid var(--home-ink);color:var(--home-ink);border-radius:3px;align-items:center;padding:11px 18px;font-size:13.5px;font-weight:600;transition:background .14s,color .14s,border-color .14s;display:inline-flex}.fsw .cta:hover{border-color:var(--accent);color:var(--accent);text-decoration:none}.fsw .cta--primary{border-color:var(--home-accent);background:var(--home-accent);color:var(--home-accent-on)}.fsw .cta--primary:hover{border-color:var(--accent-hover);background:var(--accent-hover);color:var(--home-accent-on)}@media (width<=1080px){.fsw .doc-shell{grid-template-columns:1fr;gap:0}.fsw .toc{display:none}.fsw .adds{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=760px){.fsw .doc-shell{padding:0 16px 60px}.fsw .lede{grid-template-columns:1fr;padding-top:24px}.fsw .lede-facts,.fsw .code-pair,.fsw .adds{grid-template-columns:1fr}.fsw .lede-facts div{border-right:0;border-bottom:1px solid var(--home-line)}.fsw .lede-facts div:last-child{border-bottom:0}.fsw .code-card+.code-card{border-top:1px solid var(--home-line-strong);border-left:0}}@media (prefers-reduced-motion:reduce){.fsw .cta{transition:none}}