:root{--paper:#f5f1e7;--ink:#132c3d;--muted:#52636b;--line:#d8d8ca;--coral:#e95743;--white:#fffdf7}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Tahoma,'Segoe UI','Noto Sans Thai',"Noto Sans Bengali","Noto Sans Thai","Noto Sans Devanagari","Noto Sans Myanmar","Noto Sans Khmer","Noto Sans Sinhala","Noto Sans Ethiopic","Noto Sans SC","Noto Sans JP","Noto Sans KR",sans-serif;line-height:1.8}a{color:inherit;text-underline-offset:4px}button,input,select{font:inherit}button,a,input,select{touch-action:manipulation}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--coral);outline-offset:4px}.top{max-width:1320px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 32px;border-bottom:1px solid var(--line)}.brand{font-weight:900;font-size:23px;text-decoration:none;letter-spacing:-1px}.brand i{color:var(--coral);font-style:normal}.top nav{display:flex;flex-wrap:wrap;gap:12px 22px;font-size:13px}.top nav a{text-decoration:none}.language{padding:4px 10px;border:1px solid var(--line);border-radius:20px}main{max-width:1256px;margin:auto;padding:56px 28px}.eyebrow{text-transform:uppercase;letter-spacing:2px;font-size:11px;font-weight:700;color:var(--muted)}h1{font-size:clamp(34px,4.7vw,64px);line-height:1.18;letter-spacing:-1.7px;margin:20px 0 24px;font-weight:600}h2{font-size:25px;line-height:1.4;letter-spacing:-.4px}p{margin:14px 0}.hero{display:grid;grid-template-columns:1fr 1.02fr;gap:60px;align-items:start}.intro{max-width:560px;font-size:17px}.tag{display:inline-block;border:1px solid var(--line);padding:4px 12px;border-radius:30px;font-size:12px;margin:18px 4px 0 0}.arrow{display:inline-block;background:var(--ink);color:var(--white);padding:11px 20px;text-decoration:none;margin-top:24px}.abstract{margin-top:40px;border-top:1px solid var(--line);padding-top:18px;display:flex;gap:30px}.abstract b{display:block;font-size:26px}.abstract span{font-size:12px;color:var(--muted)}.game{background:var(--white);border:1px solid var(--line);border-radius:3px;overflow:hidden;box-shadow:14px 14px 0 #e7e8dc;min-width:300px}.game-head{display:flex;justify-content:space-between;gap:12px;padding:19px 24px 0;font-size:12px}.game-head strong{font-size:17px}.board{position:relative;background:radial-gradient(ellipse at 50% 45%,#eff0e4,transparent 65%)}#pegboard{display:block;width:100%;height:420px}.peg{fill:#647982}.bin{fill:var(--muted);font-size:8px;font-family:monospace}.ball{fill:var(--coral);stroke:var(--white);stroke-width:1.4}.mode-1{fill:#1c877e}.mode-2{fill:#8e5caa}.board-label{position:absolute;top:14px;left:24px;font-size:10px;letter-spacing:2px;color:var(--muted)}.wallet{display:flex;justify-content:space-between;align-items:end;border-top:1px solid var(--line);padding:15px 22px}.wallet strong{font-size:30px;line-height:1.2}.small{font-size:11px;color:var(--muted)}.controls{padding:0 22px 18px}.settings,.buttons{display:flex;gap:9px;margin:10px 0}.settings label{flex:1;min-width:0;font-size:11px}input,select{width:100%;border:1px solid var(--line);background:var(--paper);color:var(--ink);padding:8px;border-radius:0;font-size:13px}button{cursor:pointer;border:1px solid var(--line);background:transparent;color:var(--ink);padding:8px 12px;font-size:12px}button:disabled{opacity:.4;cursor:default}.buttons button:first-child{flex:1;background:var(--coral);border-color:var(--coral);color:white}.utility{display:flex;justify-content:space-between;gap:8px}.utility button{font-size:11px;padding:5px 8px}#game-status{font-size:11px;min-height:38px;margin-bottom:0}#history{font-family:monospace;font-size:10px;padding-left:19px}.note{border-left:2px solid var(--coral);padding-left:18px;margin-top:25px;font-size:12px;color:var(--muted)}.article-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:64px;margin-top:65px}.article-grid section{border-top:1px solid var(--line);padding:26px 0 20px}.number{color:var(--coral);font-family:monospace;font-size:12px}.article-grid p{font-size:15px;color:#394f5c}.faq{margin-top:40px;max-width:900px}.faq details{border-top:1px solid var(--line);padding:17px 0}.faq summary{cursor:pointer;font-weight:bold}.faq p{font-size:14px;color:var(--muted)}footer{max-width:1256px;margin:auto;padding:28px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}footer nav{display:flex;flex-wrap:wrap;gap:10px 22px;margin:20px 0}.page-intro{max-width:880px}.page-intro h1{font-size:clamp(32px,4.5vw,58px)}@media(max-width:800px){.hero{grid-template-columns:1fr;gap:35px}.intro{max-width:100%}.game{max-width:570px;width:100%;margin:auto}.article-grid{column-gap:28px}.top{padding:18px 20px;align-items:start}.top nav{gap:8px 16px}main{padding:35px 20px}h1{letter-spacing:-1px}}@media(max-width:480px){.top{padding:16px 10px;display:block}.top nav{margin-top:10px;font-size:11px}.brand{font-size:22px}main{padding:28px 10px}.hero{gap:28px}.game{box-shadow:none}.article-grid{grid-template-columns:1fr;margin-top:38px}.intro{font-size:15px}.abstract{gap:25px}.abstract b{font-size:23px}.game-head{padding:16px 15px 0}.wallet{padding:15px}.controls{padding:0 14px 15px}#pegboard{height:400px}.article-grid section{padding:20px 0}.settings,.buttons{gap:6px}button{padding:9px}.note{font-size:11px}footer{padding:22px 10px}h2{font-size:23px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

#xtb,#xtb a{font-family:inherit!important;}

#game-root{display:contents;}
