:root{--bg: #f7f6f3;--surface: #ffffff;--ink: #1b1b1f;--muted: #6b6b73;--line: #d9d8d3;--border: #1b1b1f;--accent: #c2410c;--accent-soft: #ffedd5;--danger: #d13b3b;--accent-ink: #ffffff;--solved: #30a46c;color-scheme:light}@media(prefers-color-scheme:dark){:root{--bg: #16161a;--surface: #1f1f24;--ink: #ededef;--muted: #a0a0a8;--line: #34343b;--border: #8b8b94;--accent: #fb923c;--accent-soft: #3d2416;--danger: #ff6b6b;--accent-ink: #0d0d10;--solved: #3dd68c;color-scheme:dark}}*{box-sizing:border-box}a,button{touch-action:manipulation;-webkit-tap-highlight-color:transparent}html,body{margin:0}html{touch-action:manipulation}body{background:var(--bg);color:var(--ink);font:16px/1.5 Poppins,system-ui,-apple-system,Segoe UI,sans-serif;padding:env(safe-area-inset-top,0) 16px env(safe-area-inset-bottom,0)}a{color:var(--accent)}h1,h2{line-height:1.2;margin:0}h1{font-size:1.6rem;font-weight:600}.page{max-width:720px;margin:0 auto;padding-block:24px 48px}.page-head{margin-bottom:20px}.page-head h1{margin-top:4px}.lede{color:var(--muted);margin:6px 0 0}.account-line{margin:-6px 0 14px;font-size:.9rem;min-height:1.4em}.account-line a{font-weight:500}.brand{margin:0;color:var(--muted);font-size:.8rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase}.site-back{display:inline-block;margin-bottom:14px}.back{text-decoration:none;font-size:.9rem;font-weight:500}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--ink);font:inherit;font-weight:500;text-decoration:none;cursor:pointer}.btn:hover:not(:disabled){border-color:var(--muted)}.btn:disabled{opacity:.45;cursor:default}.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}.tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:16px}.tab{padding:8px 14px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--ink);text-decoration:none;font-weight:500}.tab small{color:var(--muted);font-weight:400}.tab.active{background:var(--ink);border-color:var(--ink);color:var(--bg)}.tab.active small{color:inherit;opacity:.7}.progress-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;color:var(--muted)}.tiles{display:grid;gap:8px;grid-template-columns:repeat(auto-fill,minmax(52px,1fr))}.tile{aspect-ratio:1;display:grid;place-items:center;border-radius:10px;background:var(--surface);border:1px solid var(--line);color:var(--ink);text-decoration:none;font-weight:500;font-variant-numeric:tabular-nums}.tile:hover{border-color:var(--accent)}.tile.solved{background:var(--solved);border-color:var(--solved);color:var(--accent-ink)}.play{max-width:560px;margin:0 auto;padding-block:12px 24px;min-height:calc(100dvh - env(safe-area-inset-top,0px) - env(safe-area-inset-bottom,0px));display:flex;flex-direction:column;gap:12px}.play-head{display:grid;grid-template-columns:1fr auto 1fr;align-items:center}.play-head h1{font-size:1.15rem;text-align:center}.timer{justify-self:end;font-variant-numeric:tabular-nums;color:var(--muted)}.board-wrap{position:relative;width:min(100%,calc(100dvh - 200px));min-width:260px;margin:auto auto 0}.board-wrap{position:relative;width:min(100%,480px,calc(100dvh - 330px));min-width:260px;margin:auto auto 0}.nb-board{container-type:inline-size;display:grid;aspect-ratio:1;grid-template-columns:.7fr repeat(var(--n),1fr) .7fr;grid-template-rows:.7fr repeat(var(--n),1fr) .7fr;user-select:none;-webkit-user-select:none}.nb-board .clue{display:grid;place-items:center;font-weight:600;color:var(--ink);font-size:calc(48cqw / (var(--n) + 1.4))}.nb-board .clue.ok{color:var(--muted);opacity:.5}.nb-board .clue.bad{color:var(--danger)}.nb-board .cell{display:grid;place-items:center;padding:0;min-width:0;min-height:0;border:1px solid var(--line);margin:-.5px;background:var(--surface);color:var(--accent);font:inherit;font-weight:500;font-size:calc(60cqw / (var(--n) + 1.4));cursor:pointer;touch-action:manipulation;-webkit-tap-highlight-color:transparent}.nb-board .cell[data-edge~=t]{border-top:2px solid var(--border)}.nb-board .cell[data-edge~=b]{border-bottom:2px solid var(--border)}.nb-board .cell[data-edge~=l]{border-left:2px solid var(--border)}.nb-board .cell[data-edge~=r]{border-right:2px solid var(--border)}.nb-board .cell.given{color:var(--ink);font-weight:700}.nb-board .cell.peer{background:color-mix(in srgb,var(--accent-soft) 55%,var(--surface))}.nb-board .cell.same{background:var(--accent-soft)}.nb-board .cell.selected{background:var(--accent-soft);outline:3px solid var(--accent);outline-offset:-3px;position:relative;z-index:1}.nb-board .cell.bad{color:var(--danger)}.nb-board .cell:focus-visible{outline:3px solid var(--accent);outline-offset:-3px}.nb-board .notes{display:grid;grid-template-columns:repeat(3,1fr);width:88%;height:88%;font-size:calc(20cqw / (var(--n) + 1.4));color:var(--muted);font-weight:500;line-height:1}.nb-board .notes span{display:grid;place-items:center}.keypad{display:flex;flex-direction:column;align-items:center;gap:8px;width:100%;max-width:480px;margin:0 auto}.keyrow{display:flex;justify-content:center;gap:6px;width:100%}.keyrow:first-child .key{flex:1 1 0;max-width:56px;min-width:0}.key{min-width:48px;min-height:48px;border-radius:10px;border:1px solid var(--line);background:var(--surface);color:var(--ink);font:inherit;font-size:1.25rem;font-weight:600;cursor:pointer}.key.wide{font-size:.95rem;padding:0 14px}.key[aria-pressed=true]{background:var(--accent);border-color:var(--accent);color:#fff}.keypad.notes-on .key:not(.wide){color:var(--muted);font-size:1rem}.key:disabled{opacity:.45;cursor:default}.play-foot{display:flex;flex-direction:column;align-items:center;gap:10px;margin-bottom:auto}.status{color:var(--muted);font-size:.9rem;font-variant-numeric:tabular-nums}.actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}.win{position:absolute;inset:0;display:grid;place-items:center;background:color-mix(in srgb,var(--bg) 55%,transparent);border-radius:6px;animation:fade .25s ease-out}.win-card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:24px 28px;text-align:center;box-shadow:0 10px 30px #00000026}.win-card h2{font-size:1.5rem}.win-card p{color:var(--muted);margin:6px 0 16px}@keyframes fade{0%{opacity:0}}[hidden]{display:none!important}