:root{--bg: #f6f7f9;--surface: #ffffff;--text: #1c2030;--muted: #6a7085;--line: #d5d9e2;--line-strong: #2a3046;--accent: #3b5bdb;--accent-text: #ffffff;--related: #e8ecf7;--same: #c9d4f7;--selected: #aebdf5;--good: #2b9348;--good-bg: #cdeed6;--bad: #d62839;--bad-bg: #fbd0d5;--p1: #3b5bdb;--p2: #e8590c;--given: #1c2030;--entered: #3b5bdb}@media (prefers-color-scheme: dark){:root{--bg: #12141c;--surface: #1b1f2b;--text: #e8eaf2;--muted: #98a0b8;--line: #333a4f;--line-strong: #8a94b3;--accent: #6f8cff;--accent-text: #0e1220;--related: #232a3f;--same: #34406b;--selected: #465490;--good: #5bd07a;--good-bg: #1f4a2c;--bad: #ff6b7a;--bad-bg: #55232b;--p1: #6f8cff;--p2: #ff9350;--given: #e8eaf2;--entered: #8fa6ff}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-tap-highlight-color:transparent}button{font:inherit;color:inherit;cursor:pointer}button:disabled{cursor:not-allowed}:focus-visible{outline:3px solid var(--accent);outline-offset:2px}h1{font-size:2.2rem;margin:0 0 1.25rem;letter-spacing:-.02em}.home{max-width:420px;margin:0 auto;padding:2.5rem 16px}.home-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px}.home-head h1{margin-bottom:0}.home-head+form{margin-top:1.25rem}.playing-as{color:var(--muted);font-size:.85rem;white-space:nowrap}.field{border:0;padding:0;margin:0 0 1.25rem}.field legend,.names label span{display:block;font-size:.8rem;font-weight:600;color:var(--muted);margin-bottom:.4rem;padding:0}.segmented{display:flex;gap:4px;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:4px}.segmented button{flex:1;border:0;background:none;padding:.55rem .5rem;border-radius:7px;font-weight:500}.segmented button.on{background:var(--accent);color:var(--accent-text)}.names{display:grid;gap:.75rem}.names input{width:100%;padding:.65rem .75rem;border-radius:8px;border:1px solid var(--line);background:var(--surface);color:var(--text);font:inherit}.rules{margin:0 0 1.25rem;padding-left:1.1rem;color:var(--muted);font-size:.875rem;line-height:1.5}.primary{width:100%;padding:.85rem;border:0;border-radius:10px;background:var(--accent);color:var(--accent-text);font-weight:600;font-size:1rem}.primary:disabled{opacity:.6}.error{color:var(--bad);font-size:.9rem}.game{--size: min(100vw - 32px, 520px, calc(100dvh - 330px) );max-width:520px;margin:0 auto;padding:12px 16px 24px;width:100%}.game-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:.5rem}.game-tag{color:var(--muted);font-size:.85rem;text-transform:capitalize}.link{background:none;border:0;padding:.25rem 0;color:var(--muted)}.scoreboard.versus{display:grid;grid-template-columns:1fr 1fr;gap:8px}.player{background:var(--surface);border:2px solid var(--line);border-radius:12px;padding:.6rem .75rem;transition:border-color .15s}.player.p1{--pc: var(--p1)}.player.p2{--pc: var(--p2)}.player.active{border-color:var(--pc)}.player-head{display:flex;justify-content:space-between;align-items:baseline;gap:8px}.player-name{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--pc)}.player-score{font-size:1.6rem;font-weight:700;font-variant-numeric:tabular-nums}.player-meta{display:flex;align-items:center;gap:8px;min-height:1.3rem}.pips{display:inline-flex;gap:4px}.pip{width:10px;height:10px;border-radius:50%;border:2px solid var(--line-strong);opacity:.5}.pip.on{background:var(--bad);border-color:var(--bad);opacity:1}.badge{font-size:.7rem;font-weight:600;background:var(--bad-bg);color:var(--bad);padding:1px 6px;border-radius:99px}.timer{position:relative;height:18px;margin-top:6px;border-radius:99px;background:var(--related);overflow:hidden}.timer.idle{background:transparent}.timer-bar{position:absolute;inset:0 auto 0 0;background:var(--pc);transition:width .1s linear}.timer-bar.low{background:var(--bad)}.timer-text{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;font-size:.72rem;font-weight:700;color:var(--text);mix-blend-mode:normal;text-shadow:0 0 3px var(--surface)}.scoreboard.single{display:flex;gap:8px}.stat{flex:1;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:.5rem .75rem;display:flex;flex-direction:column}.stat span{font-size:.72rem;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.04em}.stat b{font-size:1.3rem;font-variant-numeric:tabular-nums}.notice{min-height:1.5rem;margin:.6rem 0;text-align:center;font-size:.92rem;color:var(--muted)}.notice.good{color:var(--good);font-weight:600}.notice.bad{color:var(--bad);font-weight:600}.board{display:grid;grid-template-columns:repeat(9,1fr);width:var(--size);aspect-ratio:1;margin:0 auto;border:3px solid var(--line-strong);border-radius:6px;background:var(--surface);overflow:hidden}.cell{border:0;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:transparent;padding:0;font-size:calc(var(--size) / 15);font-weight:500;color:var(--entered);display:grid;place-items:center;min-width:0}.cell:nth-child(9n){border-right:0}.cell:nth-child(n+73){border-bottom:0}.cell.edge-r{border-right:2px solid var(--line-strong)}.cell.edge-b{border-bottom:2px solid var(--line-strong)}.cell.given{color:var(--given);font-weight:700}.cell.related{background:var(--related)}.cell.same{background:var(--same)}.cell.selected{background:var(--selected)}.cell:focus-visible{outline-offset:-3px}.cell.ok{animation:flash-ok .9s ease-out}.cell.bad{color:var(--bad);animation:flash-bad .9s ease-out}@keyframes flash-ok{0%,40%{background:var(--good-bg);color:var(--good)}}@keyframes flash-bad{0%,60%{background:var(--bad-bg)}15%,45%{transform:translate(-2px)}30%{transform:translate(2px)}}.pad{display:flex;justify-content:center;flex-wrap:wrap;gap:6px;width:var(--size);margin:14px auto 0;min-height:52px}.pad-key{flex:1 1 0;max-width:56px;min-width:34px;height:52px;border:1px solid var(--line);border-radius:10px;background:var(--surface);font-size:1.4rem;font-weight:600;color:var(--accent)}.pad-key:not(:disabled):active{background:var(--same)}.pad-key:disabled{opacity:.4}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0a0c148c;display:grid;place-items:center;padding:16px}.dialog{background:var(--surface);border-radius:16px;padding:1.75rem;width:min(360px,100%);text-align:center}.dialog h2{margin:0 0 .5rem;font-size:1.6rem}.dialog p{margin:0 0 1.25rem;color:var(--muted)}@media (prefers-reduced-motion: reduce){.cell.ok,.cell.bad{animation:none}.timer-bar{transition:none}}.you{font-style:normal;font-weight:500;color:var(--muted)}.hint{color:var(--muted);line-height:1.5;margin:0 0 1.25rem}.lobby{text-align:center}.code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:2.6rem;font-weight:700;letter-spacing:.25em;padding:1rem 0 1rem .25em;margin-bottom:1.25rem;background:var(--surface);border:2px dashed var(--line-strong);border-radius:14px;-webkit-user-select:all;user-select:all}.code-input{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:1.3rem;letter-spacing:.2em;text-transform:uppercase}.waiting{color:var(--muted);display:flex;align-items:center;justify-content:center;gap:8px;margin:1.25rem 0 .5rem}.dot{width:10px;height:10px;border-radius:50%;background:var(--accent);animation:pulse 1.2s ease-in-out infinite}@keyframes pulse{50%{opacity:.25;transform:scale(.8)}}@media (prefers-reduced-motion: reduce){.dot{animation:none}}.player-meta{flex-wrap:wrap}