:root{--bg:#fff;--fg:#15191d;--muted:#5c6670;--line:#e3e6e9;--soft:#f5f6f7;--accent:#006953;--on-accent:#fff;--q0:#72c0a8;--q1:#5aa992;--q2:#41937c;--q3:#267e67;--q4:#006953;--q5:#005540;--q6:#00412d;--qx:#e8ebee;--qn:#cfd4d9;--lake:#d9e5ee;--border:#20262c;--gap:#fff;--r:10px}@media(prefers-color-scheme:dark){:root{--bg:#15181b;--fg:#e7eaed;--muted:#9aa4ae;--line:#2a3036;--soft:#1c2024;--accent:#78d2b7;--on-accent:#0b1d17;--q0:#1d6350;--q1:#2f7864;--q2:#418d78;--q3:#53a48c;--q4:#66bba1;--q5:#78d2b7;--q6:#8beacd;--qx:#262b30;--qn:#3a4148;--lake:#1d2a35;--border:#c9cfd5;--gap:#15181b}}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;font:16px/1.5 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--fg);background:var(--bg)}.wrap{max-width:1080px;margin:0 auto;padding:0 16px}main.wrap{min-height:60vh}header.top .wrap{display:flex;justify-content:space-between;align-items:center;min-height:56px;gap:12px;flex-wrap:wrap}.brand{font-weight:750;font-size:1.1rem;letter-spacing:-.01em;color:var(--fg);text-decoration:none;padding:10px 0}header.top nav{display:flex;gap:2px;flex-wrap:wrap;margin-right:-10px}header.top nav a{color:var(--muted);text-decoration:none;padding:12px 10px;font-size:.95rem}header.top nav a:hover,header.top nav a[aria-current]{color:var(--fg)}header.top{border-bottom:1px solid var(--line)}@media(max-width:440px){header.top nav a{padding:12px 8px}}a{color:var(--accent);text-underline-offset:2px}h1{font-size:clamp(1.5rem,1.1rem + 1.6vw,2.1rem);line-height:1.15;letter-spacing:-.015em;margin:24px 0 8px}h2{font-size:1.15rem;margin:36px 0 10px;letter-spacing:-.005em}p{margin:8px 0}.lede{color:var(--muted);font-size:1.05rem;max-width:62ch}.muted{color:var(--muted)}.small{font-size:.85rem}button.link{background:none;border:0;padding:0;color:var(--accent);text-decoration:underline;cursor:pointer;font:inherit;min-height:0}table{border-collapse:collapse;width:100%;font-variant-numeric:tabular-nums;font-size:.95rem}th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:top}th{font-weight:600;font-size:.8rem;color:var(--muted)}td.num,th.num{text-align:right;white-space:nowrap}.scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}sup.fn a{text-decoration:none;font-size:.72em;color:var(--muted)}.note{border-left:3px solid var(--accent);background:var(--soft);padding:8px 12px;margin:12px 0;border-radius:0 6px 6px 0}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:10px;margin:16px 0}.card{border:1px solid var(--line);border-radius:var(--r);padding:12px 14px}.card span{display:block;font-size:.8rem;color:var(--muted)}.card b{display:block;font-size:1.3rem;letter-spacing:-.01em;margin-top:2px;font-variant-numeric:tabular-nums}.card small{color:var(--muted)}.foot{color:var(--muted);font-size:.88rem;border-top:1px solid var(--line);margin-top:56px;padding:16px 0 40px}.foot a{color:var(--muted)}.foot .langs{display:flex;flex-wrap:wrap;gap:4px 16px}.foot .langs b{color:var(--fg);font-weight:600}ol.sources{font-size:.85rem;color:var(--muted);padding-left:22px}.bar{display:flex;flex-wrap:wrap;gap:10px;align-items:flex-end}.bar label{display:flex;flex-direction:column;gap:4px;font-size:.8rem;color:var(--muted);flex:1 1 150px;min-width:0}.bar label.grow{flex:3 1 260px}@media(max-width:440px){.bar label{flex-basis:100%}}input,select{font:inherit;font-size:1rem;color:var(--fg);min-height:44px;padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:var(--bg);width:100%;box-sizing:border-box;height:44px}select{appearance:none;-webkit-appearance:none;padding-right:32px;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:right 16px center,right 11px center;background-size:5px 5px;background-repeat:no-repeat}input[type=number]{-moz-appearance:textfield;appearance:textfield}input[type=number]::-webkit-inner-spin-button,input[type=number]::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}input:focus-visible,select:focus-visible,a:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.hint{color:var(--muted);font-size:.9rem;min-height:1.5em}.btn{display:inline-flex;align-items:center;min-height:44px;padding:0 16px;border-radius:8px;background:var(--accent);color:var(--on-accent);text-decoration:none;font-weight:600;border:0;cursor:pointer;font-size:1rem}