@font-face{font-family:Newsreader;src:url('/fonts/newsreader.woff2') format('woff2');font-weight:400 700;font-display:swap}
@font-face{font-family:DM Sans;src:url('/fonts/dm-sans.woff2') format('woff2');font-weight:400 700;font-display:swap}
:root{--paper:#f8f6ee;--ink:#222b27;--muted:#626960;--line:#d5d5c9;--red:#a33724;--green:#285747;--serif:Newsreader,Georgia,serif;--sans:'DM Sans',sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration-thickness:1px;text-underline-offset:4px}a:hover{color:var(--red)}button{font:inherit;color:inherit;cursor:pointer}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--red);outline-offset:4px}button{touch-action:manipulation}.skip{position:absolute;top:-100px;left:20px;background:var(--paper);padding:12px;z-index:5}.skip:focus{top:10px}.shell{max-width:1100px;margin:auto;padding:0 40px}.topbar{padding:27px 0 23px;border-bottom:1px solid var(--ink);display:flex;justify-content:space-between;gap:20px;font-size:13px}.topbar a{text-decoration:none}.topbar span{color:var(--muted)}.masthead{padding:62px 0 36px;max-width:880px}.eyebrow{font-size:11px;font-weight:600;letter-spacing:.13em;text-transform:uppercase;margin:0 0 22px;color:var(--muted)}h1{font-family:var(--serif);font-size:clamp(48px,6.5vw,83px);font-weight:400;line-height:1.03;letter-spacing:-.035em;margin:0 0 24px;max-width:850px}.dek{font-family:var(--serif);font-size:25px;line-height:1.4;max-width:680px;margin:0 0 24px}.byline{display:flex;flex-wrap:wrap;gap:8px 22px;font-size:12px;color:var(--muted)}.explorer{border-top:1px solid var(--line);border-bottom:1px solid var(--ink);padding:25px 0 35px;display:grid;grid-template-columns:minmax(0,1.75fr) minmax(240px,1fr);gap:44px}.mapbar{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-bottom:18px}.mapbar h2{font-size:13px;font-weight:500;margin:0}.view-options{display:flex;gap:4px}.view-options button{background:transparent;border:1px solid transparent;padding:7px 11px;font-size:11px}.view-options button[aria-pressed=true]{border-color:var(--ink);background:#e9e8de}.map-shell{display:grid;grid-template-columns:20px 1fr;grid-template-rows:20px 1fr;gap:4px}.cols{grid-column:2;display:grid;grid-template-columns:repeat(11,1fr);text-align:center}.rows{grid-row:2;display:grid;grid-template-rows:repeat(11,1fr);align-items:center;text-align:center}.coords{font-size:10px;color:var(--muted);font-variant-numeric:tabular-nums}.board-wrap{position:relative;grid-column:2;grid-row:2;aspect-ratio:1}.board{display:grid;grid-template-columns:repeat(11,1fr);grid-template-rows:repeat(11,1fr);height:100%;border:1.5px solid var(--ink)}.cell{display:block;position:relative;min-width:0;min-height:0;border:0;border-right:1px solid #222b2730;border-bottom:1px solid #222b2730;padding:0;background:var(--region);font-size:clamp(11px,1.55vw,17px);font-variant-numeric:tabular-nums;transition:filter .15s}.cell.edge-r{border-right:1.5px solid var(--ink)}.cell.edge-b{border-bottom:1.5px solid var(--ink)}.cell:hover{filter:brightness(1.08)}.cell:focus-visible{outline:3px solid var(--red);outline-offset:-4px;z-index:2}.cell.selected{box-shadow:inset 0 0 0 2.5px var(--red)}.cell.on-route .cell-value{position:absolute;top:3px;left:4px;font-size:10px}.capitol{position:absolute;width:5px;height:5px;border-radius:50%;background:var(--ink);bottom:4px;right:4px}.route-overlay{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}.map-caption{font-size:11px;line-height:1.65;color:var(--muted);margin:14px 0 0 24px}.dot-key{display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--ink);vertical-align:middle;margin-right:3px}.route-panel{padding-top:5px;display:flex;flex-direction:column}.answer-label{font-size:11px;color:var(--muted);margin:0 0 5px}.answer-number{font-family:var(--serif);font-size:58px;line-height:1.15;letter-spacing:-.03em;margin:0}.answer-meta{font-size:12px;color:var(--muted);margin:8px 0 26px;line-height:1.6}.route-detail{border-top:1px solid var(--line);padding-top:20px;min-height:165px}.route-detail h3{font-weight:500;font-size:14px;margin:0 0 12px}.cost{font-size:23px;line-height:1.4;margin:0 0 9px;letter-spacing:-.03em;font-variant-numeric:tabular-nums}.route-description{font-size:12px;color:var(--muted);line-height:1.7;margin:0}.route-coordinates{font-family:var(--sans);font-size:10px;line-height:1.8;color:var(--muted);margin:9px 0 0;overflow-wrap:anywhere}.examples{margin-top:19px;border-top:1px solid var(--line);padding-top:18px}.examples p{font-size:11px;color:var(--muted);margin:0 0 10px}.example{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;background:transparent;border:0;border-bottom:1px solid var(--line);padding:13px 0;font-size:12px;text-align:left}.example span{color:var(--muted)}.example[aria-pressed=true]{color:var(--red);font-weight:600}.example[aria-pressed=true] span{color:var(--red)}.text-layout{display:grid;grid-template-columns:165px minmax(0,680px);gap:40px;margin:62px 0 75px}.margin-note{font-size:11px;color:var(--muted);line-height:1.8;padding-top:6px}.margin-note a{display:block;margin-bottom:9px}.prose{font-family:var(--serif);font-size:21px;line-height:1.62}.prose h2{font-size:31px;line-height:1.2;font-weight:500;margin:52px 0 19px;letter-spacing:-.015em}.prose section:first-child h2{margin-top:0}.prose p{margin:0 0 20px}.prose code{font-family:ui-monospace,monospace;font-size:.72em}.equation{font-family:var(--sans);font-size:15px;line-height:1.65;border-left:2px solid var(--red);padding:15px 20px;margin:26px 0;color:var(--green);background:#eeeee4;overflow-wrap:anywhere}.inline-figure{margin:28px 0;padding:25px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:grid;grid-template-columns:155px 1fr;gap:25px;align-items:center}.inline-figure svg{width:155px;height:auto}.inline-figure figcaption{font:13px/1.7 var(--sans);color:var(--muted)}.audit{font-family:var(--sans);font-size:13px;margin:28px 0}.audit summary{cursor:pointer;padding:18px 0;border-top:1px solid var(--line);font-weight:500}.audit table{width:100%;border-collapse:collapse;margin:5px 0 25px;font-variant-numeric:tabular-nums}.audit th,.audit td{padding:9px 5px;border-bottom:1px solid var(--line);text-align:right}.audit th:first-child,.audit td:first-child{text-align:left}.audit th{font-weight:500;color:var(--muted)}.audit tfoot{font-weight:600}.downloads{padding:28px 0;border-top:1px solid var(--ink);border-bottom:1px solid var(--line);display:flex;flex-wrap:wrap;gap:18px 30px;font-family:var(--sans);font-size:13px;margin-top:44px}.credits{font:12px/1.8 var(--sans);color:var(--muted);margin-top:24px!important}footer{border-top:1px solid var(--ink);display:flex;justify-content:space-between;gap:20px;padding:25px 0 35px;font-size:11px;color:var(--muted)}.noscript{font-size:12px;margin:12px 0;color:var(--red)}
@media(max-width:760px){.shell{padding:0 22px}.masthead{padding-top:40px}.explorer{grid-template-columns:1fr;gap:30px}.route-panel{display:grid;grid-template-columns:.8fr 1.2fr;gap:0 25px}.answer-meta{margin-bottom:0}.answer-number{font-size:49px}.route-detail{border-top:0;padding-top:0;min-height:150px}.examples{grid-column:1/-1;margin-top:18px}.mapbar h2{font-size:12px}.cell{font-size:clamp(13px,3.3vw,21px)}.text-layout{grid-template-columns:1fr;gap:22px;margin-top:40px}.margin-note{display:flex;gap:20px;flex-wrap:wrap}.margin-note p{display:none}.prose{font-size:20px}.dek{font-size:23px}.prose h2{font-size:29px}.map-caption{font-size:11px}.cols,.rows{font-size:9px}.cell.on-route .cell-value{font-size:9px;left:3px;top:2px}.capitol{width:4px;height:4px;bottom:3px;right:3px}}
@media(max-width:390px){.shell{padding:0 16px}.topbar{font-size:11px}.view-options button{padding:7px 8px}.route-panel{gap:0 18px}.answer-number{font-size:44px}.cost{font-size:20px}.inline-figure{grid-template-columns:120px 1fr;gap:16px}.inline-figure svg{width:120px}.inline-figure figcaption{font-size:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.cell{transition:none}}
@media print{.shell{max-width:900px}.skip,.view-options,.examples,.downloads,.margin-note{display:none}.masthead{padding-top:25px}h1{font-size:48px}.explorer{grid-template-columns:1.8fr 1fr;break-inside:avoid}.text-layout{display:block}.prose{font-size:12pt}.prose h2{font-size:20pt}.board{-webkit-print-color-adjust:exact;print-color-adjust:exact}footer{margin-top:25px}}