:root{--bg:#fbfaf7;--surface:#fff;--surface-2:#f2f0ea;--text:#1c1f1d;--muted:#555c58;--border:#dcd8ce;--accent:#1f5f4a;--accent-ink:#fff;--accent-soft:#e3efe9;--warn-bg:#fdf3d8;--warn-ink:#6b4a00;--ok-bg:#e2f1e7;--ok-ink:#1d5a33;--focus:#2c6fd1;--radius:10px;--maxw:1080px;color-scheme:light}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#131614;--surface:#1b1f1d;--surface-2:#232825;--text:#ebeee9;--muted:#a9b1ab;--border:#343b37;--accent:#6cc3a0;--accent-ink:#0d1a14;--accent-soft:#1f322a;--warn-bg:#3a2f12;--warn-ink:#f3d68b;--ok-bg:#1d3325;--ok-ink:#9fdcb3;--focus:#7fb0ff;color-scheme:dark}}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:var(--bg);color:var(--text);margin:0;font:17px/1.6 system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}a{color:var(--accent);text-underline-offset:2px}a:hover{text-decoration-thickness:2px}:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:4px}h1,h2,h3{letter-spacing:-.01em;line-height:1.2}h1{margin:.2em 0 .4em;font-size:clamp(1.8rem,4.5vw,2.6rem)}h2{margin-top:2em;font-size:1.45rem}h3{margin-top:1.6em;font-size:1.12rem}.wrap{max-width:var(--maxw);margin:0 auto;padding:0 16px}.prose{max-width:720px}.skip{background:var(--accent);color:var(--accent-ink);z-index:10;padding:8px 12px;position:absolute;top:0;left:-999px}.skip:focus{top:8px;left:8px}header.site{border-bottom:1px solid var(--border);background:var(--surface)}header.site .wrap{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding-top:12px;padding-bottom:12px;display:flex}.brand{color:var(--text);align-items:center;gap:8px;font-size:1.05rem;font-weight:700;text-decoration:none;display:flex}.brand img{width:26px;height:26px}nav.main ul{flex-wrap:wrap;gap:4px 16px;margin:0;padding:0;font-size:.95rem;list-style:none;display:flex}nav.main a{color:var(--muted);padding:4px 0;text-decoration:none}nav.main a:hover,nav.main a[aria-current=page]{color:var(--text);text-decoration:underline}main{padding:24px 0 48px}.lede{color:var(--muted);max-width:680px;font-size:1.15rem}.btn{background:var(--accent);color:var(--accent-ink);border-radius:8px;padding:10px 18px;font-weight:600;text-decoration:none;display:inline-block}.btn:hover{filter:brightness(1.08)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px}.grid3{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;display:grid}.disclosure{color:var(--muted);background:var(--surface-2);border-radius:8px;padding:8px 12px;font-size:.86rem}.badge{white-space:nowrap;border-radius:999px;padding:1px 8px;font-size:.76rem;font-weight:600;display:inline-block}.badge.ok{background:var(--ok-bg);color:var(--ok-ink)}.badge.warn{background:var(--warn-bg);color:var(--warn-ink)}.note{color:var(--muted);font-size:.9rem}table{border-collapse:collapse;font-variant-numeric:tabular-nums;width:100%}th,td{text-align:left;border-bottom:1px solid var(--border);vertical-align:top;padding:8px 10px}th{color:var(--muted);font-size:.85rem;font-weight:600}td.num,th.num{text-align:right;white-space:nowrap}.table-scroll{-webkit-overflow-scrolling:touch;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);overflow-x:auto}footer.site{border-top:1px solid var(--border);color:var(--muted);padding:24px 0 40px;font-size:.9rem}footer.site ul{flex-wrap:wrap;gap:6px 16px;margin:10px 0 0;padding:0;list-style:none;display:flex}footer.site a{color:var(--muted)}code{background:var(--surface-2);border-radius:4px;padding:1px 5px;font-size:.9em}.log-entry{border-left:3px solid var(--accent);margin:18px 0;padding:4px 0 4px 14px}.log-entry time{font-weight:700}.calc-form{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px 18px;margin:20px 0 12px;display:grid}.field{border:0;flex-direction:column;gap:4px;min-width:0;margin:0;padding:0;display:flex}.field.wide{grid-column:1/-1}.field>label,legend{padding:0;font-size:.95rem;font-weight:600}.field input[type=number]{font:inherit;border:1px solid var(--border);background:var(--bg);color:var(--text);border-radius:8px;width:100%;padding:8px 10px;font-size:1.1rem}.inline{align-items:center;gap:6px;margin-right:14px;font-weight:500;display:inline-flex}.inline input{width:18px;height:18px;accent-color:var(--accent)}.hint{color:var(--muted);font-size:.82rem}.summary{margin:14px 0 10px;font-weight:600}.vh{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.crumbs{color:var(--muted);margin:0 0 4px;font-size:.88rem}.crumbs ol{flex-wrap:wrap;gap:4px;margin:0;padding:0;list-style:none;display:flex}.crumbs li+li:before{content:"›";color:var(--muted);margin-right:4px}.crumbs a{color:var(--muted)}.big-number{color:var(--accent);font-size:1.6rem;font-weight:700}.related{margin-top:2.4em}.related ul{padding-left:20px}.related li{margin:4px 0}.faq dt{margin-top:14px;font-weight:700}.faq dd{margin:4px 0 0}td.pos{color:var(--ok-ink)}td.neg{color:var(--muted)}.tool-results{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);margin-top:14px;font-size:.95rem;overflow-x:auto}table.stack td.total{font-weight:700}table.stack .per{color:var(--muted);font-size:.8em;font-weight:400}table.stack td.total .note{font-weight:400}table.stack tbody th{white-space:nowrap;color:var(--text);font-size:.95rem;font-weight:700}table.stack details{max-width:280px;margin-top:6px;font-size:.85rem}table.stack details ul{margin:6px 0;padding-left:18px}table.stack summary{cursor:pointer;color:var(--accent)}table.stack .visit{margin-top:6px;font-size:.88rem}table.stack .badge{white-space:normal}table.stack tr.na{color:var(--muted)}@media (width<=1000px){.tool-results{background:0 0;border:0;overflow:visible}table.stack thead{clip:rect(0 0 0 0);width:1px;height:1px;position:absolute;overflow:hidden}table.stack,table.stack tbody,table.stack tr,table.stack th,table.stack td{width:100%;display:block}table.stack tr{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:12px;padding:6px 4px}table.stack tbody th{border-bottom:1px solid var(--border);font-size:1.1rem}table.stack td{text-align:right;white-space:normal;border-bottom:0;padding:4px 10px;overflow:hidden}table.stack td:before{content:attr(data-label);float:left;color:var(--muted);text-align:left;margin-right:12px;font-size:.86rem;font-weight:500}table.stack td[data-label=Data],table.stack td[data-label=Result]{text-align:left}table.stack td[data-label=Data]:before,table.stack td[data-label=Result]:before{display:none}table.stack details{max-width:none}}
