:root{color-scheme:light;--paper:#f9f8ef;--ink:#24334a;--blue:#193e7a;--line:#d7dccc;--muted:#536071;--lime:#d9ee8b;--white:#fff;--error:#a22228}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.6 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}button,input,select,textarea{font:inherit}a{color:var(--blue);text-underline-offset:4px}a:hover{text-decoration-thickness:2px}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #d05a16;outline-offset:4px}[hidden]{display:none!important}.skip{position:absolute;top:-100px;left:12px;background:var(--white);padding:12px;z-index:4}.skip:focus{top:12px}.site-header{max-width:1240px;margin:auto;padding:24px 28px;display:flex;justify-content:space-between;align-items:center;gap:20px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:800;font-size:23px;letter-spacing:-.6px}.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;background:var(--blue);color:var(--white);border-radius:11px;font-size:32px;line-height:1}.brand-mark span{color:var(--lime)}nav{display:flex;gap:26px;flex-wrap:wrap}nav a{font-size:14px;font-weight:650;text-decoration:none}main{max-width:1240px;margin:auto;padding:0 28px}.hero{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,.7fr);gap:72px;padding:65px 0 50px;align-items:center}.eyebrow{font-size:12px;font-weight:800;letter-spacing:1.8px;line-height:1.5;margin:0 0 19px}.hero h1{font-size:clamp(48px,7.5vw,92px);line-height:.98;letter-spacing:-5px;margin:0 0 25px;max-width:750px}.hero h1 em{font-style:normal;color:var(--blue)}.intro{max-width:650px;font-size:21px;line-height:1.5;margin:0}.hero-note{font-size:14px;max-width:520px;color:var(--muted);margin:20px 0 0}.model-note{background:#edf0e2;border:1px solid var(--line);padding:29px;border-radius:3px 34px 3px 3px;min-width:0}.model-note p{font-size:14px}.model-note a{font-size:14px;font-weight:750}.tokens{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;max-width:260px;margin:28px 0}.tokens i,.tokens b{display:block;aspect-ratio:1;background:var(--blue);border-radius:50%;max-width:39px}.tokens b{background:#d0d7c0;border:1px solid #a9b49a}.workspace{display:grid;grid-template-columns:minmax(0,.88fr) minmax(0,1.12fr);border:1px solid #c4cdbd;border-radius:6px;overflow:hidden;background:var(--white);align-items:start}.input-panel,.output-panel{padding:30px;min-width:0}.input-panel{background:#f0f2e8;border-right:1px solid var(--line);height:100%}.section-heading{display:flex;gap:12px;align-items:flex-start;margin-bottom:26px;min-width:0}.section-heading h2{font-size:19px;line-height:1.3;margin:0 0 5px;letter-spacing:-.4px}.section-heading p{font-size:13px;color:var(--muted);margin:0}.step{font:12px/1.2 ui-monospace,monospace;display:grid;place-items:center;flex:0 0 30px;height:30px;border-radius:50%;background:var(--lime);color:var(--ink);font-weight:800}form,label,.input-grid>*{min-width:0;max-width:100%}.input-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:23px 18px}label{display:block;font-size:13px;font-weight:700}label>span{font-family:ui-serif,Georgia,serif;font-style:italic;color:var(--blue);margin-left:4px}input,select,textarea{display:block;width:100%;min-width:0;max-width:100%;border:1px solid #adb9a4;border-radius:4px;background:var(--white);color:var(--ink);padding:11px 12px;margin-top:8px}input{font-size:23px;font-variant-numeric:tabular-nums}small{display:block;font-size:11px;line-height:1.5;color:#59674f;font-weight:400;margin-top:6px}input[aria-invalid=true],select[aria-invalid=true]{border:2px solid var(--error)}.query-control{margin-top:26px}select{font-size:16px}.error{font-size:14px;line-height:1.4;color:var(--error);font-weight:650;min-height:1.4em;margin:18px 0 12px}.form-actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center}button{cursor:pointer;border:1px solid #a6b2c2;border-radius:4px;padding:10px 13px;background:var(--white);color:var(--blue);font-size:13px;font-weight:750;min-height:44px;max-width:100%}button:hover{background:#e6ecf8}button:disabled{cursor:not-allowed;color:#626b77;background:#eceeea;opacity:1;border-color:#bec5ba}.primary{background:var(--blue);color:var(--white);border-color:var(--blue);font-size:14px;padding:12px 16px}.primary:hover{background:#0e2b5b}.primary span{margin-left:8px}.quiet{background:transparent;border-color:transparent;font-weight:650}.small{font-size:12px;color:var(--muted);line-height:1.6}.result-card{padding:26px;background:var(--blue);color:var(--white);border-radius:4px;min-width:0}.result-card .eyebrow{color:var(--lime);letter-spacing:1.2px;font-size:11px}.big-fraction{font:600 clamp(25px,4vw,42px)/1.25 ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:-1.5px;margin:14px 0;overflow-wrap:anywhere;word-break:break-all}.percentage{font-size:17px;margin:0;color:#edf3ff;overflow-wrap:anywhere}.result-note{color:#dce8fa;font-size:12px;margin:18px 0 0;line-height:1.6}.result-details{margin:22px 0}.result-details>div{padding:11px 0;border-bottom:1px solid var(--line)}dt{font-size:11px;letter-spacing:.6px;font-weight:750;text-transform:uppercase;color:var(--muted)}dd{margin:5px 0 0;font-size:14px;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}.result-details p{margin:6px 0 0}.exports{display:flex;flex-wrap:wrap;gap:8px}.exports button{flex:1 1 auto}.table-wrap{min-width:0;width:100%;margin-top:28px}table{border-collapse:collapse;width:100%;table-layout:fixed;font-size:12px;line-height:1.5}caption{text-align:left;font-size:12px;color:var(--muted);padding-bottom:14px}th,td{text-align:left;padding:12px 6px;vertical-align:top;border-bottom:1px solid var(--line);overflow-wrap:anywhere}thead th{font-size:10px;color:var(--muted)}.count-col{width:14%}.percent-col{width:28%}.fraction-col{width:43%}.event-col{width:15%}.included{background:#f0f6df}.exact-value{font-family:ui-monospace,monospace;word-break:break-all}.probability-bar{display:block;height:4px;background:var(--blue);margin-top:7px;max-width:100%}.below{padding:70px 0}.below>h2{font-size:34px;line-height:1.2;letter-spacing:-1.2px;margin:0 0 25px}.below>p{max-width:790px}.explain-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:35px;margin:38px 0}.explain-grid h3{font-size:16px;line-height:1.4}.explain-grid p{font-size:14px;color:var(--muted)}.text-link{font-weight:750;font-size:15px}.prose{max-width:820px;margin:65px auto 80px;overflow-wrap:anywhere}.prose h1{font-size:clamp(38px,6vw,67px);line-height:1.08;letter-spacing:-2.8px;margin:15px 0 25px}.prose .lede{font-size:21px;line-height:1.6;color:var(--muted)}.prose h2{font-size:27px;line-height:1.25;letter-spacing:-.7px;margin:48px 0 17px}.prose p{margin:16px 0}.prose section{scroll-margin-top:25px}.contents{border-block:1px solid var(--line);padding:20px 0;margin:35px 0 45px;gap:12px 24px}.note{padding:12px 24px;background:#edf0e2;border-left:4px solid var(--blue);margin:24px 0}.contact-address{font-size:clamp(15px,2.8vw,24px);font-weight:700;overflow-wrap:anywhere}footer{border-top:1px solid var(--line);padding:35px max(28px,calc((100vw - 1184px)/2));font-size:13px;background:#edf0e2}footer>p{margin:12px 0 24px}.footer-brand{font-weight:800;text-decoration:none;font-size:22px}footer nav{gap:24px}footer .small{max-width:750px}textarea{font:12px/1.5 ui-monospace,monospace;resize:vertical}#fallback{margin:18px 0}#copy-status{min-height:1.6em}
@media(max-width:900px){.hero{gap:35px}.hero h1{letter-spacing:-3px}.input-panel,.output-panel{padding:24px}.input-grid{gap:18px 12px}}
@media(max-width:760px){.site-header{padding:18px 20px;gap:14px}.brand{font-size:20px}.site-header nav{gap:16px}.site-header nav a{font-size:12px}main{padding:0 20px}.hero{grid-template-columns:minmax(0,1fr);gap:28px;padding:38px 0}.hero h1{font-size:64px;letter-spacing:-3px}.intro{font-size:19px}.model-note{padding:21px}.tokens{grid-template-columns:repeat(10,minmax(0,1fr));max-width:390px;gap:9px;margin:20px 0}.workspace{grid-template-columns:minmax(0,1fr)}.input-panel{border-right:0;border-bottom:1px solid var(--line)}.explain-grid{grid-template-columns:minmax(0,1fr);gap:10px}.below{padding:45px 0}.below>h2{font-size:29px}.prose{margin:38px auto 50px}.prose .lede{font-size:19px}.prose h2{font-size:24px}.note{padding:10px 17px}footer{padding:30px 20px}}
@media(max-width:390px){.site-header{padding:16px;flex-wrap:wrap}.site-header nav{gap:18px}.brand-mark{width:34px;height:34px;font-size:28px}main{padding:0 16px}.hero h1{font-size:57px}.input-panel,.output-panel{padding:20px 16px}.input-grid{gap:18px 12px}label{font-size:12px}input{padding:9px 10px;font-size:22px}.query-control select{font-size:14px}.result-card{padding:21px 18px}.big-fraction{font-size:28px;letter-spacing:-1px}.percentage{font-size:15px}.table-wrap th,.table-wrap td{padding:10px 4px;font-size:10px}.table-wrap thead th{font-size:9px}.form-actions{gap:8px}.primary{font-size:13px;padding:11px 12px}.prose h1{font-size:40px;letter-spacing:-1.6px}footer{padding:28px 16px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}