:root{--ink:#16201c;--ink-soft:#46544d;--ink-faint:#6b7872;--paper:#fff;--paper-soft:#f6f8f7;--line:#d9e0dc;--brand:#0f6b4d;--brand-ink:#06271b;--accent:#72e5b8;--warn:#8a5a00;--warn-soft:#fdf4e3;--stop:#8c2f2f;--stop-soft:#fbefef;--radius:10px;--gap:1rem;--measure:72ch}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:var(--paper);color:var(--ink);margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:1.0625rem;line-height:1.7}h1,h2,h3,h4{color:var(--brand-ink);margin:1.8em 0 .6em;line-height:1.25}h1{margin-top:0;font-size:2rem}h2{font-size:1.5rem}h3{font-size:1.25rem}p,ul,ol,dl,table{margin:0 0 1em}a{color:var(--brand);text-underline-offset:2px;text-decoration-thickness:1px}a:hover{text-decoration-thickness:2px}:focus-visible{outline:3px solid var(--brand);outline-offset:2px}code,kbd,samp{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.95em}.skip-link{background:var(--paper);z-index:10;padding:.5rem .75rem;position:absolute;top:0;left:-9999px}.skip-link:focus{top:.5rem;left:.5rem}.shell{width:100%;max-width:72rem;margin:0 auto;padding:0 1rem}.prose,.measure{max-width:var(--measure)}.site-header{border-bottom:1px solid var(--line);background:var(--paper)}.site-header__row{flex-wrap:wrap;align-items:baseline;gap:.5rem 1rem;padding:.9rem 0;display:flex}.site-header__brand{color:var(--brand-ink);font-size:1.15rem;font-weight:700;text-decoration:none}.site-header__tagline{color:var(--ink-faint);margin:0;font-size:.9rem}.nav{flex-wrap:wrap;gap:.25rem 1rem;margin:0;padding:0 0 .75rem;list-style:none;display:flex}.nav a[aria-current=page]{font-weight:700}.site-footer{border-top:1px solid var(--line);background:var(--paper-soft);margin-top:3rem;padding:1.5rem 0 2.5rem;font-size:.95rem}.site-footer ul{flex-wrap:wrap;gap:.25rem 1rem;padding:0;list-style:none;display:flex}main{padding:1.5rem 0 2rem}.section{margin:0 0 2.5rem}.section__note{color:var(--ink-faint);margin:-.4em 0 1em;font-size:.9rem}.grid{gap:var(--gap);grid-template-columns:1fr;margin:0 0 1em;padding:0;list-style:none;display:grid}.card{border:1px solid var(--line);border-radius:var(--radius);background:var(--paper);padding:.9rem 1rem;box-shadow:0 1px 1px #16201c0a}.card h3{margin:0 0 .3em;font-size:1.1rem}.card p{margin:0 0 .5em}.meta{color:var(--ink-faint);margin:0;font-size:.85rem}.badge{border:1px solid var(--line);background:var(--paper-soft);color:var(--ink-soft);border-radius:999px;padding:.05rem .55rem;font-size:.8rem;display:inline-block}.badge--ok{border-color:var(--brand);color:var(--brand)}.badge--warn{border-color:var(--warn);background:var(--warn-soft);color:var(--warn)}.badge--stop{border-color:var(--stop);background:var(--stop-soft);color:var(--stop)}.table-scroll{border:1px solid var(--line);border-radius:var(--radius);overflow-x:auto}.table-scroll__hint{color:var(--ink-faint);margin:.35rem 0 1rem;font-size:.85rem}table{border-collapse:collapse;width:100%;font-size:.97rem}th,td{text-align:left;border-bottom:1px solid var(--line);vertical-align:top;padding:.55rem .7rem}th{background:var(--paper-soft);white-space:nowrap}tbody tr:last-child td{border-bottom:0}.code-cell{user-select:all;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-weight:600}button{font:inherit;color:var(--brand-ink);background:var(--accent);border:1px solid var(--brand);border-radius:var(--radius);cursor:pointer;padding:.3rem .7rem}button[disabled]{background:var(--paper-soft);border-color:var(--line);color:var(--ink-faint);cursor:not-allowed}.feedback{color:var(--ink-soft);margin-left:.4rem;font-size:.85rem;display:inline-block}.answer{border-left:4px solid var(--brand);background:var(--paper-soft);border-radius:0 var(--radius) var(--radius) 0;padding:.8rem 1rem}.answer h2{margin:0 0 .4em;font-size:1.15rem}.answer p{margin:0}.steps{padding-left:1.2rem}.steps li{margin-bottom:.8rem}.step__row{align-items:baseline;gap:.5rem;display:flex}.notice{border:1px solid var(--warn);background:var(--warn-soft);border-radius:var(--radius);margin:0 0 1em;padding:.6rem .8rem}.toc{border:1px solid var(--line);border-radius:var(--radius);background:var(--paper-soft);margin:0 0 1.5rem;padding:.6rem .9rem}.toc ul{margin:.5rem 0 0;padding-left:1.1rem}.sources li{margin-bottom:.5rem}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@media (width>=48rem){.grid--two{grid-template-columns:repeat(2,minmax(0,1fr))}.grid--three{grid-template-columns:repeat(3,minmax(0,1fr))}.site-header__row{padding:1.1rem 0 .6rem}}@media (width>=72rem){.article-shell{grid-template-columns:minmax(0, var(--measure)) 16rem;align-items:start;gap:2.5rem;display:grid}.article-shell>.toc{margin:0;position:sticky;top:1.5rem}}@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}