:root{--ink:#14263a;--mist:#eef2f4;--card:#fff;--line:#dde3e6;--teal:#0b5e6b;--amber:#c77d00;--muted:#5d6e7c;--wine:#8a2d3b}@media (prefers-color-scheme:dark){:root{--ink:#e6edf1;--mist:#0f1a24;--card:#16232f;--line:#27394a;--teal:#4fb3c2;--amber:#e8a62e;--muted:#93a4b2;--wine:#e08a99}}*{box-sizing:border-box}body{margin:0;background:var(--mist);color:var(--ink);font:15px/1.5 IBM Plex Sans,system-ui,sans-serif}.app{max-width:1100px;margin:0 auto;padding:24px 20px 48px}header{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap;border-bottom:2px solid var(--ink);padding-bottom:14px}h1{font:600 30px/1.1 "IBM Plex Serif",Georgia,serif;margin:0}.tag{margin:6px 0 0;color:var(--muted);max-width:56ch}label{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--muted)}label.check{flex-direction:row;align-items:center;gap:8px;align-self:flex-end;padding-bottom:8px}input{font:inherit;color:var(--ink);background:var(--card);border:1px solid var(--line);border-radius:4px;padding:6px 8px}input:focus-visible,button:focus-visible{outline:2px solid var(--teal);outline-offset:2px}nav{display:flex;gap:4px;margin:18px 0 8px;border-bottom:1px solid var(--line)}nav button{background:none;border:0;border-bottom:3px solid transparent;padding:8px 14px;font:inherit;color:var(--muted);cursor:pointer}nav button.on{color:var(--ink);border-bottom-color:var(--amber);font-weight:600}.controls{display:flex;gap:18px;flex-wrap:wrap;margin:16px 0}.lede{font-size:17px;max-width:75ch;margin:8px 0 18px}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px;margin-bottom:18px}.stat{background:var(--card);border:1px solid var(--line);border-left:4px solid var(--teal);padding:10px 14px;border-radius:4px}.stat-label{font-size:13px;color:var(--muted)}.stat-value{font:600 24px/1.3 "IBM Plex Serif",Georgia,serif}.stat-unit{font:400 13px IBM Plex Sans,sans-serif;color:var(--muted)}.stat-note{font-size:12px;color:var(--muted)}.panel{background:var(--card);border:1px solid var(--line);border-radius:4px;padding:16px 16px 12px;margin-bottom:16px}.panel h3{margin:0;font-size:16px}.sub{margin:2px 0 12px;color:var(--muted);font-size:13px}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}@media (max-width:760px){.grid2{grid-template-columns:1fr}h1{font-size:25px}}table{width:100%;border-collapse:collapse;margin-top:12px;font-size:14px}th,td{text-align:right;padding:6px 8px;border-bottom:1px solid var(--line)}th:first-child,td:first-child{text-align:left}.muted{color:var(--muted)}.err{color:var(--wine)}.warn{background:#fff3cd;color:#5b4300;border:1px solid #e6c866;padding:8px 12px;margin-top:12px;border-radius:4px;font-size:14px}footer{margin-top:28px;color:var(--muted);font-size:12px}