@font-face{font-family:'DM Sans';font-style:normal;font-weight:100 1000;font-display:swap;src:url('/fonts/dm-sans.ttf') format('truetype')}
@font-face{font-family:'Libre Caslon Display';font-style:normal;font-weight:400;font-display:swap;src:url('/fonts/libre-caslon-display.ttf') format('truetype')}
:root{--paper:#faf8f3;--ink:#222823;--muted:#696e65;--line:#dedfd6;--apricot:#edc6a7;--sage:#dde6da;--serif:'Libre Caslon Display',Georgia,serif;--sans:'DM Sans',Arial,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);font-size:14px;line-height:1.6}button,select,input{font:inherit;color:inherit}button,a,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default;opacity:.36}a{color:inherit;text-underline-offset:4px}button:focus-visible,a:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #4a7056;outline-offset:4px}button{border:0}button,select{min-height:44px}button[hidden],[hidden]{display:none!important}.wrap{max-width:1060px;margin-inline:auto;padding-inline:32px}.site-header{height:100px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.wordmark{font-family:var(--serif);font-size:37px;text-decoration:none;letter-spacing:-1.7px}.wordmark>span{font-weight:600}.wordmark i{font-style:normal;color:#ae603c}.site-header nav a{text-decoration:none;font-weight:500;font-size:13px}.site-header nav span{margin-left:12px}.puzzle-layout{display:grid;grid-template-columns:440px 270px;gap:100px;justify-content:center;padding-block:48px 64px}.eyebrow{font-family:var(--sans);font-size:10px;letter-spacing:1.7px;font-weight:600;margin:0 0 10px}.title-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:25px}.title-row h1{font-family:var(--serif);font-size:39px;font-weight:400;line-height:1.1;letter-spacing:-1px;margin:0}.tiny-grid{display:block;font-family:Georgia,serif;font-size:18px;line-height:1.25;letter-spacing:6px;transform:rotate(9deg);padding-left:6px;color:#8e957e}.game-settings{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:21px}.segmented{display:flex;gap:3px;background:#edeee7;border-radius:7px;padding:3px}.segmented button{padding:0 18px;min-height:36px;border-radius:5px;background:transparent;font-weight:500;font-size:12px}.segmented button[aria-pressed=true]{background:var(--ink);color:var(--paper)}.level-label select{background:transparent;border:0;font-size:12px;padding:5px 21px 5px 8px;cursor:pointer}.board-meta{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;font-size:11px;color:var(--muted);font-variant-numeric:tabular-nums}.board-meta>span{font-weight:500}.meta-dot{padding:0 10px}.board{display:grid;grid-template-columns:repeat(var(--size,5),1fr);aspect-ratio:1;background:#fffdf8;border:2px solid var(--ink);isolation:isolate}.cell{position:relative;min-width:0;min-height:0;padding:0;display:flex;align-items:center;justify-content:center;border-radius:0;background:transparent;font-family:var(--sans);font-size:30px;font-weight:400;line-height:1;cursor:pointer;color:#396549;border-top:1px solid #ccd0c6;border-left:1px solid #ccd0c6;font-variant-numeric:tabular-nums}.cell.region-top{border-top:2px solid var(--ink)}.cell.region-left{border-left:2px solid var(--ink)}.cell.first-row{border-top:0}.cell.first-col{border-left:0}.cell.given{color:var(--ink);font-weight:600}.cell.same-region{background:#f0f0e8}.cell.same-value{background:#e5ecdf}.cell.selected{background:var(--apricot);box-shadow:inset 0 0 0 2px #a9603c}.cell.invalid{color:#a02d29}.cell.invalid::after{content:'!';position:absolute;right:5px;bottom:4px;font:700 10px var(--sans);color:#a02d29}.cell:focus-visible{outline:3px solid #356348;outline-offset:-5px;z-index:1}.cell .cell-notes{display:grid;grid-template-columns:repeat(3,1fr);width:76%;height:70%;align-items:center;font-size:11px;font-weight:500;color:#52604d}.cell .cell-notes span{display:flex;align-items:center;justify-content:center;height:100%}.board.is-complete .cell{background:#e6eddf;color:#2f5738}.keypad{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin-top:16px}.keypad button{border:1px solid #d7d9cf;border-radius:5px;background:#f1f1e9;min-height:51px;font-size:23px;line-height:1;font-weight:500}.keypad button:not(:disabled):hover{background:var(--sage)}.keypad button[aria-pressed=true]{background:var(--apricot);border-color:#b97a50}.tools{display:grid;grid-template-columns:repeat(4,1fr);margin-top:12px;gap:4px}.tools button{display:flex;align-items:center;justify-content:center;gap:6px;background:transparent;border-radius:4px;font-size:11px;min-height:45px;padding:0 3px}.tools button:hover:not(:disabled){background:#eceee5}.tools button[aria-pressed=true]{background:var(--sage)}.tool-icon{font-size:23px;line-height:1;font-family:Arial,sans-serif}.tools small{font-size:8px;color:var(--muted);letter-spacing:.5px}.status{min-height:36px;text-align:center;font-size:11px;color:var(--muted);margin:7px 0 10px;display:flex;justify-content:center;align-items:center}.status.error{color:#9b322c}.game-footer{border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;padding-top:6px;font-size:10px;color:var(--muted)}.text-button{background:none;text-decoration:underline;text-underline-offset:3px;font-size:10px;padding:0 0 0 14px}.side-note{padding-top:105px}.side-note .eyebrow{font-size:9px;letter-spacing:1.4px}.side-note h2{font-family:var(--serif);font-weight:400;font-size:44px;line-height:1.05;letter-spacing:-.6px;margin:18px 0 27px}.rule-list{padding:0;margin:0;list-style:none}.rule-list li{display:flex;gap:15px;margin-bottom:20px}.rule-list li>span{font-size:10px;color:#8c806c;padding-top:4px;font-variant-numeric:tabular-nums}.rule-list p{margin:0;font-size:12px;line-height:1.7;color:#65695e}.rule-list strong{font-weight:500;color:var(--ink)}.rule-example{display:flex;align-items:center;gap:18px;margin:27px 0;padding:20px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.example-grid{display:grid;grid-template-columns:1fr 1fr;border:2px solid var(--ink);width:65px;height:65px;transform:rotate(-5deg);background:#f2e4d5}.example-grid span{display:flex;align-items:center;justify-content:center;font-size:17px}.example-grid span:nth-child(odd){border-right:1px solid #c2b5a5}.example-grid span:nth-child(-n+2){border-bottom:1px solid #c2b5a5}.rule-example p{font-size:11px;line-height:1.9;color:var(--muted)}.side-footnote{font-family:var(--serif);font-size:22px;line-height:1.3;margin-bottom:22px}.text-link{font-size:11px;text-decoration:none}.text-link span{margin-left:12px}.guide{border-top:1px solid var(--line);padding-top:55px;padding-bottom:57px}.section-heading{max-width:540px}.section-heading h2,.questions h2{font-family:var(--serif);font-size:38px;font-weight:400;letter-spacing:-.5px;line-height:1.2;margin:12px 0}.section-heading>p:last-child{max-width:460px;font-size:13px;color:var(--muted)}.guide-columns{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-top:34px}.guide-number{font-size:9px;letter-spacing:1.2px;font-weight:500;color:#737864}.guide-columns h3{font-family:var(--serif);font-size:27px;font-weight:400;line-height:1.2;margin:15px 0}.guide-columns p{font-size:12px;line-height:1.9;color:var(--muted)}.questions{padding-top:34px;padding-bottom:55px;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1.4fr;gap:60px}.questions h2{font-size:32px}.questions details{border-bottom:1px solid var(--line);padding-block:17px}.questions summary{font-size:12px;font-weight:500;cursor:pointer;line-height:1.5}.questions details p{font-size:12px;color:var(--muted);line-height:1.8}.site-footer{border-top:1px solid var(--line);display:flex;align-items:center;gap:35px;padding-top:28px;padding-bottom:32px}.site-footer .wordmark{font-size:29px}.site-footer p{font-size:11px;color:var(--muted);flex:1}.site-footer nav{display:flex;gap:20px;font-size:10px}.site-footer nav a{text-decoration:none}.win-panel{padding:24px;background:var(--sage);margin:8px 0 20px;text-align:center}.win-panel h2{font-family:var(--serif);font-weight:400;font-size:38px;line-height:1.1;margin:10px}.win-panel p{font-size:12px}.primary-button{background:var(--ink);color:var(--paper);padding:12px 20px;border-radius:4px;font-size:12px}.primary-button span{margin-left:14px}dialog{border:1px solid var(--line);background:var(--paper);color:var(--ink);padding:32px;max-width:420px;width:calc(100% - 32px);border-radius:5px}dialog::backdrop{background:#22282366}dialog h2{font-family:var(--serif);font-size:34px;font-weight:400;line-height:1.1}dialog p{font-size:13px;color:var(--muted)}.dialog-actions{display:flex;justify-content:flex-end;gap:12px;margin-top:25px}.dialog-actions>button:not(.primary-button){background:#eceee5;padding:10px 16px;border-radius:4px;font-size:12px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.skip-link{position:fixed;top:-100px;left:20px;background:var(--ink);color:#fff;padding:10px;z-index:20}.skip-link:focus{top:10px}.noscript{position:fixed;bottom:0;background:var(--apricot);padding:20px;width:100%}.prose{max-width:720px;padding-block:56px 80px;min-height:70vh}.prose h1{font-family:var(--serif);font-size:48px;font-weight:400;line-height:1.1}.prose h2{font-family:var(--serif);font-size:28px;font-weight:400;margin-top:34px}.prose p{color:var(--muted);line-height:1.9}.prose .eyebrow{color:var(--ink)}
@media(min-width:1200px){.wrap{max-width:1120px}.puzzle-layout{gap:125px;padding-block:55px 70px}}
@media(max-width:900px){.puzzle-layout{grid-template-columns:minmax(320px,440px) 230px;gap:44px}.wrap{padding-inline:24px}.side-note{padding-top:104px}.side-note h2{font-size:38px}.title-row h1{font-size:36px}.tiny-grid{display:none}.questions{gap:35px}}
@media(max-width:700px){.wrap{padding-inline:20px}.site-header{height:76px}.wordmark{font-size:33px}.site-header nav a{font-size:12px}.puzzle-layout{display:block;padding-top:27px;padding-bottom:38px}.game-column{max-width:440px;margin:auto}.title-row{margin-bottom:21px}.title-row h1{font-size:36px}.title-row .eyebrow{font-size:9px;margin-bottom:9px}.tiny-grid{display:block}.game-settings{margin-bottom:15px}.side-note{display:none}.guide{padding-top:35px;padding-bottom:30px}.section-heading h2{font-size:34px}.guide-columns{grid-template-columns:1fr;gap:19px;margin-top:27px}.guide-columns article{border-bottom:1px solid var(--line);padding-bottom:14px}.guide-columns article:last-child{border-bottom:0}.guide-columns h3{margin-top:9px;font-size:28px}.guide-columns p{font-size:13px}.questions{display:block;padding-top:27px;padding-bottom:35px}.questions h2{font-size:32px;margin-bottom:14px}.questions details{padding-block:18px}.questions summary{font-size:13px}.site-footer{flex-wrap:wrap;gap:9px 20px;padding-top:24px}.site-footer p{font-size:10px;margin:0;text-align:right}.site-footer nav{width:100%;justify-content:flex-end}.cell{font-size:29px}.keypad{margin-top:12px}.keypad button{min-height:48px}.tools{margin-top:8px}.status{margin:1px 0 7px;min-height:31px}.game-footer{font-size:9px}.prose{padding-block:35px 50px}}
@media(max-width:370px){.wrap{padding-inline:14px}.title-row h1{font-size:31px}.tiny-grid{display:none}.level-label select{font-size:11px;padding-right:3px}.segmented button{padding-inline:15px}.cell{font-size:26px}.tools button{gap:4px}.tools small{font-size:7px}.tool-icon{font-size:20px}.keypad{gap:6px}.site-footer p{font-size:9px}.cell .cell-notes{font-size:10px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.segmented button{min-height:44px}
.tools button,.status{font-size:12px}