:root{--bg:#fff8ec;--surface:#fff;--text:#1f2430;--muted:#5f6577;--line:#eadfca;--accent:#d97706;--accent-ink:#92400e;--link:#b45309;--ok:#15803d;--bad:#dc2626;--radius:14px;color-scheme:light}@media (prefers-color-scheme:dark){:root{--bg:#17151a;--surface:#221f27;--text:#f2eee6;--muted:#b3ab9f;--line:#3a3440;--link:#fbbf24;--accent-ink:#fde68a;color-scheme:dark}}[hidden]{display:none!important}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}a{color:var(--link);text-underline-offset:2px}.wrap{max-width:1040px;margin:0 auto;padding:0 16px}.narrow{max-width:760px}.site-header{background:var(--surface);border-bottom:1px solid var(--line)}.site-header .wrap{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;min-height:54px;display:flex}.brand{color:var(--text);align-items:center;gap:8px;font-size:1.1rem;font-weight:800;text-decoration:none;display:flex}.brand img{width:28px;height:28px}.site-nav{white-space:nowrap;gap:16px;font-size:15px;display:flex;overflow-x:auto}.site-nav a{color:var(--muted);text-decoration:none}.site-nav a[aria-current=page],.site-nav a:hover{color:var(--text)}main{padding:18px 0 48px}h1{letter-spacing:-.02em;margin:0 0 6px;font-size:clamp(1.5rem,1.1rem + 1.6vw,2.1rem);line-height:1.2}h2{margin:2em 0 .6em;font-size:1.35rem}h3{margin:1.4em 0 .4em;font-size:1.08rem}.lede{color:var(--muted);max-width:760px;margin:0 0 14px}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius)}.prose p,.prose ul,.prose ol{margin:0 0 1em}.prose li{margin:.3em 0}.table-wrap{margin:0 0 1em;overflow-x:auto}.prose table{border-collapse:collapse;background:var(--surface);width:100%;min-width:520px;font-size:15px}.prose th,.prose td{border:1px solid var(--line);text-align:left;vertical-align:top;padding:7px 9px}.prose th{font-weight:700}.crumbs{color:var(--muted);margin:0 0 10px;font-size:14px}.crumbs a{color:var(--muted)}.game{grid-template-columns:minmax(0,1fr) 300px;align-items:start;gap:20px;display:grid}@media (width<=860px){.game{grid-template-columns:1fr}}.board-card{padding:14px}.toolbar{flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:12px;display:flex}.seg{border:1px solid var(--line);border-radius:999px;display:inline-flex;overflow:hidden}.seg button{font:inherit;color:var(--text);cursor:pointer;background:0 0;border:0;padding:7px 14px;font-size:14px}.seg button[aria-pressed=true]{background:var(--accent);color:#fff}select,.btn,.btn-ghost{font:inherit;cursor:pointer;border-radius:999px;padding:7px 14px;font-size:14px}select{border:1px solid var(--line);background:var(--surface);color:var(--text)}.btn{background:var(--accent);color:#fff;border:0;font-weight:700}.btn-ghost{border:1px solid var(--line);background:var(--surface);color:var(--text)}.btn:disabled,.btn-ghost:disabled{opacity:.5;cursor:default}.status{font-variant-numeric:tabular-nums;justify-content:space-between;gap:8px;margin-bottom:10px;font-weight:600;display:flex}.board{--n:8;grid-template-columns:repeat(var(--n), 1fr);aspect-ratio:1;touch-action:none;-webkit-user-select:none;user-select:none;border:3px solid #1f2430;border-radius:6px;width:100%;max-width:560px;margin:0 auto;display:grid;overflow:hidden}.cell{cursor:pointer;border:0;justify-content:center;align-items:center;margin:0;padding:0;font-size:0;display:flex;position:relative;box-shadow:inset 0 0 0 .5px #1f243040}.cell.bt{border-top:2.5px solid #1f2430}.cell.bl{border-left:2.5px solid #1f2430}.cell .x{opacity:.55;width:34%;height:34%}.cell .cat{width:76%;height:76%}.cell.auto .x{opacity:.28}.cell.conflict{outline:3px solid var(--bad);outline-offset:-3px}.cell.hinted:after{content:"";border:2px dashed #1f243099;border-radius:4px;position:absolute;inset:3px}.board.solved .cell{cursor:default}.controls{flex-wrap:wrap;justify-content:center;gap:8px;margin-top:12px;display:flex}.toggle{color:var(--muted);align-items:center;gap:6px;font-size:14px;display:inline-flex}.win{color:#14532d;background:#ecfdf5;border:1px solid #bbf7d0;border-radius:12px;margin-top:14px;padding:14px}@media (prefers-color-scheme:dark){.win{color:#bbf7d0;background:#10291c;border-color:#14532d}}.win h2{margin:0 0 6px;font-size:1.2rem}.win form{flex-wrap:wrap;gap:8px;margin:10px 0 0;display:flex}.win input{font:inherit;border:1px solid var(--line);border-radius:999px;flex:160px;min-width:0;padding:7px 12px}.side .card{margin-bottom:14px;padding:14px 16px}.side h2{margin:0 0 8px;font-size:1.05rem}.lb{font-variant-numeric:tabular-nums;margin:0;padding:0;font-size:14px;list-style:none}.lb li{border-bottom:1px dashed var(--line);justify-content:space-between;gap:8px;padding:4px 0;display:flex}.lb li.me{color:var(--accent-ink);font-weight:700}.note{color:var(--muted);font-size:14px}.faq details{border-bottom:1px solid var(--line);padding:10px 0}.faq summary{cursor:pointer;font-weight:600}.faq details p{margin:8px 0 0}.mini{border:2px solid #1f2430;gap:0;margin:6px 0 12px;display:inline-grid}.mini span{color:#1f2430;justify-content:center;align-items:center;width:26px;height:26px;font-size:14px;display:flex;box-shadow:inset 0 0 0 .5px #1f24304d}.site-footer{border-top:1px solid var(--line);background:var(--surface);color:var(--muted);padding:22px 0 30px;font-size:14px}.site-footer nav{flex-wrap:wrap;gap:16px;margin-bottom:8px;display:flex}.site-footer a{color:var(--muted)}.palette{flex-wrap:wrap;gap:6px;margin:8px 0 12px;display:flex}.palette button{cursor:pointer;color:#1f2430;border:2px solid #0000;border-radius:8px;width:34px;height:34px;font-weight:700}.palette button[aria-pressed=true]{box-shadow:0 0 0 2px var(--surface) inset;border-color:#1f2430}.form label{margin:12px 0 4px;font-weight:600;display:block}.form input,.form textarea{border:1px solid var(--line);background:var(--surface);width:100%;color:var(--text);font:inherit;border-radius:10px;padding:10px 12px}.form .hp,.wall-form .hp{position:absolute;left:-9999px}.race{border:1px dashed var(--accent);border-radius:12px;margin:0 0 12px;padding:10px 12px}.race-status{margin:0;font-weight:700}.race-share{gap:8px;margin-top:8px;display:flex}.race-share input{min-width:0;font:inherit;border:1px solid var(--line);background:var(--surface);color:var(--text);border-radius:10px;flex:auto;padding:7px 10px;font-size:14px}.race [data-race-again]{margin-top:8px}.board.locked{filter:blur(9px);opacity:.55;pointer-events:none}.seg-sm{margin-bottom:8px}.seg-sm button{padding:4px 12px;font-size:13px}.lb-more{margin-top:8px}.wall-frame{border:0;width:100%;height:420px;display:block}.wall-page{background:var(--surface)}.wall-title{margin:0 0 8px;font-size:1.05rem}.wall-form{flex-wrap:wrap;gap:6px;display:flex}.wall-form input{font:inherit;border:1px solid var(--line);background:var(--surface);color:var(--text);border-radius:10px;min-width:0;padding:7px 10px;font-size:14px}.wall-form input[name=name]{flex:90px}.wall-form input[name=body]{flex:3 160px}.wall-note{margin:6px 0 0}.wall-list{margin:6px 0 0;padding:0;font-size:14px;list-style:none}.wall-list li{border-bottom:1px dashed var(--line);padding:8px 0}.wall-list p{overflow-wrap:anywhere;margin:2px 0 0}.wall-badge{color:#92400e;background:#fef3c7;border-radius:999px;margin-left:6px;padding:0 7px;font-size:12px;font-weight:700;display:inline-block}@media (prefers-color-scheme:dark){.wall-badge{color:#fde68a;background:#3b2f12}}