@font-face{font-family:Prata;src:url('/fonts/Prata-Regular.woff2') format('woff2');font-display:swap}
@font-face{font-family:Jost;src:url('/fonts/Jost-Regular.woff2') format('woff2');font-display:swap}
@font-face{font-family:Jost;src:url('/fonts/Jost-Medium.woff2') format('woff2');font-weight:500;font-display:swap}
:root{--paper:#f6f1e4;--ink:#1c2145;--soft:#55586b;--line:#cecabf;--blue:#286780;--orange:#a64d26;--blue-ground:#c4d7d8;--orange-ground:#e9c8ad}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.5 Jost,system-ui,sans-serif;-webkit-font-smoothing:antialiased;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}button,select{font:inherit;color:inherit}button{cursor:pointer}button:focus-visible,select:focus-visible{outline:2px solid var(--ink);outline-offset:3px}button:disabled{opacity:.35;cursor:default}[hidden]{display:none!important}.shell{max-width:1000px;margin:auto;padding:32px 38px 28px}header{display:flex;justify-content:space-between;align-items:center}h1,h2{font:400 56px/1.2 Prata,Georgia,serif;margin:8px 0 0;letter-spacing:-2px}.period{color:var(--orange)}.eyebrow{font-size:10px;letter-spacing:2px;font-weight:500;margin:0}.tagline{font-size:17px;color:var(--soft);margin:10px 0 28px}.text-button{background:none;border:none;min-height:44px;padding:4px 0;font-size:14px}.text-button:hover:not(:disabled){text-decoration:underline;text-underline-offset:5px}.game-layout{display:grid;grid-template-columns:minmax(0,590px) 1fr;gap:48px}.turn-bar{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--ink);padding:14px 0 16px;font-size:15px}.turn-bar #move-number{font-size:12px;color:var(--soft);font-variant-numeric:tabular-nums}#turn{display:flex;align-items:center;gap:9px}.turn-dot{width:11px;height:11px;background:var(--blue);border-radius:50%}.turn-dot.orange-dot{background:var(--orange);border-radius:0;transform:rotate(45deg)}.thinking .turn-dot{animation:breathe 1.2s infinite}.board-wrap{position:relative;padding-left:18px}#board{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));aspect-ratio:1;border:1px solid var(--ink);padding:5px;gap:3px;background:#e8e3d7;touch-action:manipulation}#ranks{position:absolute;left:0;top:6px;bottom:25px;display:grid;grid-template-rows:repeat(7,1fr);align-items:center;font-size:10px;color:var(--soft)}.files{display:grid;grid-template-columns:repeat(7,1fr);text-align:center;font-size:10px;color:var(--soft);height:25px;align-items:end;padding:0 5px}.cell{position:relative;display:grid;place-items:center;border:1px solid #d7d1c3;background:var(--paper);padding:0;min-width:0;aspect-ratio:1;transition:background-color .16s;touch-action:manipulation}.cell.blue,.sample.blue,.mini.blue{background-color:var(--blue-ground);background-image:repeating-linear-gradient(135deg,transparent,transparent 6px,#28678015 6px,#28678015 7px)}.cell.orange,.sample.orange,.mini.orange{background-color:var(--orange-ground);background-image:radial-gradient(#a64d2628 .8px,transparent .8px);background-size:6px 6px}.stone{display:block;width:56%;height:56%;position:relative;z-index:2;box-shadow:0 3px 4px #1c214522;pointer-events:none}.blue-stone{background:var(--blue);border:2px solid #1b5267;border-radius:50%;box-shadow:inset 0 2px 0 #ffffff40,0 3px 4px #1c214522}.orange-stone{width:44%;height:44%;background:var(--orange);border:2px solid #8b3b1a;border-radius:3px;transform:rotate(45deg);box-shadow:inset 1px 1px 0 #ffffff40,2px 2px 4px #1c214522}.cell.selected{outline:2px solid var(--ink);outline-offset:-3px}.cell.legal:after{content:'';width:12%;aspect-ratio:1;background:var(--ink);border-radius:50%;opacity:.6}.cell.preview{box-shadow:inset 0 0 0 2px var(--orange)}.cell.preview-for-blue{box-shadow:inset 0 0 0 2px var(--blue)}.cell.last-from:before,.cell.last-to:before{content:'';position:absolute;inset:4px;border:1px solid #1c214566;pointer-events:none}.cell.last-from:before{border-style:dashed}.cell:focus-visible{outline:3px solid var(--ink);outline-offset:-3px;z-index:3}.legend{display:flex;justify-content:center;gap:20px;margin-top:17px;color:var(--soft);font-size:11px}.legend>span{display:flex;align-items:center;gap:6px}.sample{width:12px;height:12px;display:inline-block;border:1px solid #1c214533}.sample.neutral{background:var(--paper)}#hint{font-size:14px;min-height:42px;margin:16px 0 10px;color:var(--soft)}.toolbar{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line)}#mode-label{font-size:11px;color:var(--soft)}aside{padding-top:1px}.note{border-top:1px solid var(--ink);padding-top:17px}.note>p:not(.eyebrow){font:400 27px/1.4 Prata,Georgia,serif;letter-spacing:-.7px;margin:17px 0}.note>span{display:block;font-size:14px;color:var(--soft)}.last-play{border-top:1px solid var(--line);margin-top:28px;padding-top:17px}.last-play>p:last-child{font-size:16px;margin:12px 0;color:var(--soft)}.history-area{border-top:1px solid var(--line);margin-top:24px;padding-top:17px}#history{list-style:none;margin:12px 0 0;padding:0;max-height:180px;overflow:auto;scrollbar-width:thin;font-size:13px;font-variant-numeric:tabular-nums}#history li{padding:5px 0;border-bottom:1px solid #1c214510;display:grid;grid-template-columns:24px 1fr;gap:6px}#history li span:first-child{color:var(--soft)}#empty-history,.prototype{font-size:12px;color:var(--soft)}.prototype{margin-top:24px;border-top:1px solid var(--line);padding-top:15px}dialog{position:fixed;margin:auto;width:min(92vw,480px);max-height:90dvh;overflow:auto;background:var(--paper);color:var(--ink);border:1px solid var(--ink);padding:30px}dialog::backdrop{background:#1c214566;backdrop-filter:blur(3px)}h2{font-size:32px;letter-spacing:-1px;margin:14px 0 20px}.close{position:absolute;right:14px;top:10px;width:44px;height:44px;background:none;border:0;font-size:27px}.rules-list{padding-left:22px;font-size:15px}.rules-list li{padding:10px 0 10px 5px;border-top:1px solid var(--line)}.rules-list strong{display:block}.small{font-size:13px;color:var(--soft);margin:14px 0}.primary{width:100%;border:1px solid var(--ink);background:var(--ink);color:var(--paper);padding:12px;margin-top:12px;min-height:48px}.primary:hover{background:#363c63}.example{display:flex;gap:3px;position:relative;padding-bottom:20px;margin:16px 0}.mini{display:grid;place-items:center;width:42px;height:42px;border:1px solid var(--line)}.example-arrow{position:absolute;bottom:-4px;font-size:24px;left:5px;letter-spacing:0;width:214px;text-align:right;border-bottom:1px solid var(--line)}label{display:block;font-size:13px;margin:17px 0 5px}select{width:100%;padding:11px;background:var(--paper);border:1px solid var(--line);border-radius:0;font-size:15px}body:has(dialog[open]){overflow:hidden}@keyframes breathe{50%{opacity:.3}}@media(max-width:700px){.shell{max-width:530px;padding:18px 20px 20px}h1{font-size:42px;margin-top:6px}.eyebrow{font-size:9px}.tagline{font-size:14px;margin:9px 0 18px}.game-layout{display:block}aside{display:none}.turn-bar{padding:12px 0 13px}.legend{gap:16px;margin-top:13px}#hint{margin:13px 0 4px;min-height:40px}.toolbar{margin-top:3px}header>.text-button{font-size:12px}#board{padding:4px;gap:2px}.stone{border-width:1px}}@media(max-width:360px){.shell{padding:14px 12px}.legend{gap:12px;font-size:10px}#mode-label{font-size:10px}}@media(max-height:600px) and (min-width:650px){.shell{max-width:850px;padding:14px 25px}.game-layout{grid-template-columns:minmax(0,350px) 1fr;gap:30px}h1{font-size:32px}.tagline{margin:4px 0 10px}.eyebrow{font-size:8px}.note>p:not(.eyebrow){font-size:20px;margin:8px 0}.last-play,.history-area{margin-top:15px}.prototype{display:none}#history{max-height:75px}.turn-bar{padding:8px 0}#hint{margin:8px 0;min-height:22px}.legend{margin-top:8px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}}
@media(min-width:701px) and (min-height:601px) and (max-height:900px){.shell{max-width:900px;padding-top:20px}h1{font-size:42px}.tagline{margin:8px 0 18px}.game-layout{grid-template-columns:minmax(0,min(500px,calc(100dvh - 330px))) minmax(200px,1fr);gap:36px}.turn-bar{padding:10px 0}#hint{min-height:30px;margin:10px 0 6px}.legend{margin-top:10px}}