:root{--paper:#f4f1ea;--ink:#1b1b18;--muted:#6f6b62;--line:#d9d3c5;--court:#1d2b24;--p1:#c9971f;--mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.5 system-ui,-apple-system,Segoe UI,sans-serif}button,input{font:inherit;color:inherit}button{cursor:pointer}kbd{font:12px var(--mono);border:solid var(--line);border-width:1px 1px 2px;border-radius:4px;padding:1px 6px;background:#fff;margin:0 2px}.page{max-width:1040px;margin:0 auto;padding:32px 24px 48px}.head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px}h1{font:700 32px/1 var(--mono);letter-spacing:-1px;margin:0}.modes{display:flex;border:1px solid var(--ink);border-radius:6px;overflow:hidden}.modes button{background:none;border:0;padding:7px 14px;font-size:14px}.modes button+button{border-left:1px solid var(--ink)}.modes button.on{background:var(--ink);color:var(--paper)}.scoreline{display:grid;grid-template-columns:1fr auto 1fr;align-items:baseline;grid-gap:16px;gap:16px;margin-bottom:10px}.who{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.who.p1:before{content:"";display:inline-block;width:10px;height:10px;background:var(--p1);margin-right:8px}.who.p2{text-align:right}.who.p2:after{content:"";display:inline-block;width:10px;height:10px;background:var(--court);margin-left:8px}.nums{font:700 28px var(--mono)}.court{border-radius:4px;overflow:hidden;line-height:0;box-shadow:0 1px 0 var(--line)}canvas{display:block;width:100%;height:auto;touch-action:none}.controls{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:14px;flex-wrap:wrap}.hint{margin:0;font-size:13px;color:var(--muted)}.buttons{display:flex;gap:8px}.buttons button{border-radius:6px;padding:9px 18px;font-weight:600;font-size:14px}.ghost{background:none;border:1px solid var(--line)}.ghost:hover{border-color:var(--ink)}.primary{background:var(--ink);color:var(--paper);border:1px solid var(--ink);min-width:110px}.primary:hover{background:#000}.players{margin-top:48px;border-top:1px solid var(--line);padding-top:24px}h2{font-size:18px;margin:0 0 16px}.grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:16px;gap:16px}.player{display:flex;gap:16px;align-items:center;padding:16px;background:#fff;border:1px solid var(--line);border-radius:8px}.avatar{width:64px;height:64px;border-radius:50%;flex-shrink:0;display:grid;place-items:center;cursor:pointer;overflow:hidden;font:700 15px var(--mono)}.p1 .avatar{background:var(--p1);color:var(--court)}.p2 .avatar{background:var(--court);color:var(--paper)}.avatar img{width:100%;height:100%;object-fit:cover}.fields{flex:1 1;min-width:0}.fields input:not(.file){width:100%;border:0;border-bottom:1px solid var(--line);background:none;padding:4px 0;font-size:17px;font-weight:600;outline:none}.fields input:not(.file):focus{border-color:var(--ink)}.row{display:flex;gap:14px;margin-top:6px}.link{background:none;border:0;padding:0;font-size:13px;color:var(--muted);text-decoration:underline;text-underline-offset:3px;cursor:pointer}.link:hover{color:var(--ink)}.file{display:none}.foot{margin-top:40px;font-size:13px;color:var(--muted)}@media(max-width:640px){.page{padding:20px 14px 36px}h1{font-size:26px}.modes button{padding:6px 10px;font-size:13px}.nums{font-size:22px}.who{font-size:14px}.grid{grid-template-columns:1fr}.buttons{width:100%}.buttons button{flex:1 1}}