:root{font-family:ui-rounded,"Avenir Next",system-ui,sans-serif;color:#243e35;background:#f5f1e8;font-synthesis:none}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 10% 0%,#e4ece4,transparent 70%);min-height:100dvh}main{width:100%;max-width:480px;margin:auto;padding:max(8px,env(safe-area-inset-top)) max(12px,env(safe-area-inset-right)) max(8px,env(safe-area-inset-bottom)) max(12px,env(safe-area-inset-left))}header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:8px;min-height:48px}.brand{display:block;font-size:9px;letter-spacing:2px;font-weight:750;color:#526a58}h1{font:750 clamp(24px,6vw,29px)/1.12 ui-rounded,"Avenir Next",system-ui,sans-serif;letter-spacing:-.6px;color:#365745;margin:2px 0 0}button,select{font:inherit;font-size:14px;font-weight:650;border:1px solid #b4c2bd;border-radius:11px;background:#fffdf7;color:#243e35;min-height:44px;padding:9px 12px;cursor:pointer;touch-action:manipulation}button:hover{background:#e6eee7}button:focus-visible,select:focus-visible{outline:3px solid #a63e28;outline-offset:2px}.game{background:#fffcf5;border:1px solid #d8ded2;border-radius:20px;padding:10px;box-shadow:0 8px 28px #183e3010;display:grid;gap:8px}.toolbar{display:flex;align-items:center;justify-content:space-between;gap:8px}.toolbar select{padding:8px;font-size:13px}.toolbar #pause{padding:8px 10px;font-size:13px}.stat{min-width:38px;overflow-wrap:anywhere}.stat span{display:block;font-size:9px;letter-spacing:1px;color:#52635e;font-weight:700}.stat strong{display:block;font-size:20px;line-height:1.2;font-variant-numeric:tabular-nums}.board-scroll{position:relative;overflow:auto;border-radius:13px;background:#dce5d8;width:min(100%,max(240px,calc(100dvh - 224px)));aspect-ratio:1;margin:auto;overscroll-behavior:contain}#board{position:relative;width:100%;aspect-ratio:1;padding:6px;--gap:5px}#board button{position:absolute;width:calc((100% - 12px - (var(--n) - 1)*var(--gap))/var(--n));height:calc((100% - 12px - (var(--n) - 1)*var(--gap))/var(--n));left:calc(6px + var(--x)*(100% - 12px + var(--gap))/var(--n));top:calc(6px + var(--y)*(100% - 12px + var(--gap))/var(--n));min-height:0;padding:0;border:1px solid #718277;border-radius:8px;background:#eed57f;box-shadow:0 2px 0 #a28f50;font-size:clamp(17px,5vw,25px);transition:left .14s ease,top .14s ease;font-variant-numeric:tabular-nums}#board button:nth-child(3n){background:#b8d2ed;box-shadow:0 2px 0 #809dbb}#board button:nth-child(3n+1){background:#cfc0e8;box-shadow:0 2px 0 #9a87b6}#board button.near{background:#f4ad8a;border-color:#965037;box-shadow:inset 0 0 0 1px #965037,0 2px 0 #ac6a4c}#board button:focus-visible{outline:3px solid #243e35;outline-offset:-5px}#board[data-size="8"] button,#board[data-size="7"] button{font-size:16px;border-radius:5px}#cover{position:absolute;inset:0;background:#e6ecdd;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;color:#243e35;font-size:24px}#cover[hidden]{display:none}#status{font-size:11px;text-align:center;min-height:16px;line-height:16px;color:#52635e;margin:0}.actions{display:flex;gap:8px}.actions>*{flex:1}.primary{background:#bd422b;color:white;border-color:#bd422b}.primary:hover{background:#a73520}.large #board{min-width:400px}.best{font-size:13px;color:#52635e;margin:16px 0;line-height:1.6}.working-title{font-size:11px;color:#52635e}dialog{border:1px solid #d8ded2;border-radius:20px;padding:22px;width:min(440px,calc(100% - 24px));color:#243e35;background:#fffcf5;max-height:calc(100dvh - 24px);overflow:auto}dialog::backdrop{background:#243e3580;backdrop-filter:blur(3px)}dialog h2{margin-top:0;font-size:23px;line-height:1.2}dialog p{line-height:1.6;font-size:14px}#dialogActions{display:flex;gap:10px;justify-content:flex-end;margin-top:20px;flex-wrap:wrap}.menu-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.menu-grid button[hidden]{display:none}#menuClose{width:100%}.target{display:grid;grid-template-columns:repeat(var(--n),1fr);gap:4px;margin-top:16px}.target span{background:#e5e9de;border-radius:4px;padding:5px;text-align:center;font-size:13px}.win-install{border-top:1px solid #d8ded2;padding-top:8px;margin-top:16px}.win-install p{font-size:13px}.install-status:empty{display:none}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}@media(max-width:380px){#board{--gap:3px}main{padding-left:8px;padding-right:8px}.toolbar{gap:6px}}@media(max-height:450px) and (min-width:600px){main{max-width:820px;padding:8px 16px}.game{grid-template-columns:minmax(240px,1fr) 220px;grid-template-rows:auto auto 1fr;column-gap:18px}.board-scroll{grid-column:1;grid-row:1/4;width:min(100%,max(240px,calc(100dvh - 104px)))}.toolbar{grid-column:2;grid-row:1;flex-wrap:wrap}.actions{grid-column:2;grid-row:3;align-self:end}#status{grid-column:2;grid-row:2}.board-scroll{width:min(100%,max(240px,calc(100dvh - 104px)))}}@media(prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important;animation:none!important}}