:root{--bg: #f4f6f8;--surface: #ffffff;--surface-2: #eef1f4;--text: #17212b;--muted: #5d6b78;--line: #c9d1d9;--line-strong: #2d3a46;--accent: #0f8b8d;--accent-contrast: #ffffff;--accent-soft: #d5efef;--peer: #e8eef3;--same: #bfe3e3;--selected: #9fd6d6;--given: #17212b;--entry: #0d6f86;--wrong: #c8372d;--wrong-bg: #fbe3e1;--hint: #fff1c2;--hint-strong: #ffd866;--dim: #dfe4e9;--shadow: 0 1px 2px rgb(16 24 32 / .06), 0 4px 16px rgb(16 24 32 / .06);--radius: 14px;color-scheme:light}@media (prefers-color-scheme: dark){:root:not([data-theme=light]){--bg: #0f1418;--surface: #182028;--surface-2: #202a33;--text: #e6edf3;--muted: #93a1ad;--line: #34414d;--line-strong: #8b9aa7;--accent: #3cc3c0;--accent-contrast: #062324;--accent-soft: #163a3c;--peer: #1e2a33;--same: #1f4a4b;--selected: #276263;--given: #e6edf3;--entry: #63d2ef;--wrong: #ff7b70;--wrong-bg: #45201e;--hint: #3d3517;--hint-strong: #7a6420;--dim: #0b0f12;--shadow: none;color-scheme:dark}}:root[data-theme=dark]{--bg: #0f1418;--surface: #182028;--surface-2: #202a33;--text: #e6edf3;--muted: #93a1ad;--line: #34414d;--line-strong: #8b9aa7;--accent: #3cc3c0;--accent-contrast: #062324;--accent-soft: #163a3c;--peer: #1e2a33;--same: #1f4a4b;--selected: #276263;--given: #e6edf3;--entry: #63d2ef;--wrong: #ff7b70;--wrong-bg: #45201e;--hint: #3d3517;--hint-strong: #7a6420;--dim: #0b0f12;--shadow: none;color-scheme:dark}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100%}body{background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent}button{font:inherit;color:inherit;cursor:pointer}button:disabled{cursor:default}button:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:2px}h1,h2{margin:0}.app{max-width:520px;margin:0 auto;padding:max(12px,env(safe-area-inset-top)) 16px 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10px;border-radius:999px;background:var(--accent-soft);color:var(--text);font-size:.85rem;font-weight:600}.card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px;margin-top:14px}.card__title{font-size:.8rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:4px 0 10px}.card__title:not(:first-child){margin-top:18px}.page__header{display:flex;align-items:center;gap:8px}.page__header h1{font-size:1.3rem}.home__header{display:flex;justify-content:space-between;align-items:center}.brand{display:flex;gap:12px;align-items:center}.brand h1{font-size:1.5rem;letter-spacing:-.01em}.home__icons{display:flex}.daily__head{display:flex;gap:12px;align-items:center;color:var(--accent)}.daily__head h2{font-size:1.1rem;color:var(--text)}.daily__streak{margin:10px 0 0;color:var(--muted)}.daily__streak strong{color:var(--text)}.month{margin:12px 0}.month__nav{display:flex;align-items:center;justify-content:space-between;font-weight:600}.month__grid{display:grid;grid-template-columns:repeat(7,1fr);gap:4px;text-align:center}.month__dow{font-size:.75rem;color:var(--muted);padding:4px 0}.month__day{aspect-ratio:1;border:0;border-radius:10px;background:transparent;font-size:.9rem;min-height:34px}.month__day:hover:not(:disabled){background:var(--surface-2)}.month__day:disabled{opacity:.35}.month__day--done{background:var(--accent);color:var(--accent-contrast);font-weight:700}.month__day--done:hover:not(:disabled){background:var(--accent)}.month__day--today{box-shadow:inset 0 0 0 2px var(--accent)}.difficulty-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:10px}.field{display:grid;gap:8px;font-weight:600}.field__row{display:flex;gap:8px}.field input{flex:1;min-width:0;min-height:46px;border-radius:12px;border:1px solid var(--line);background:var(--bg);color:var(--text);padding:0 12px;font:inherit;font-family:ui-monospace,SF Mono,Menlo,monospace}.field__error{color:var(--wrong);font-weight:400;font-size:.9rem}.game{display:flex;flex-direction:column;gap:12px}.game__header{display:flex;align-items:center;justify-content:space-between}.game__meta{display:flex;align-items:center;gap:12px;font-variant-numeric:tabular-nums;color:var(--muted);font-size:.9rem}.game__timer{font-weight:600;color:var(--text)}.board-wrap{position:relative}.board{display:grid;grid-template-columns:repeat(9,minmax(0,1fr));grid-template-rows:repeat(9,minmax(0,1fr));aspect-ratio:1;width:100%;border:2px solid var(--line-strong);border-radius:10px;overflow:hidden;background:var(--surface);-webkit-user-select:none;user-select:none}.board--painting{touch-action:none}.cell{position:relative;display:grid;place-items:center;border:0;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--surface);padding:0;font-size:clamp(1.1rem,5.6vw,1.75rem);line-height:1;min-width:0;min-height:0}.cell:nth-child(9n){border-right:0}.cell:nth-child(n+73){border-bottom:0}.cell--box-right{border-right:2px solid var(--line-strong)}.cell--box-bottom{border-bottom:2px solid var(--line-strong)}.cell--peer{background:var(--peer)}.cell--same{background:var(--same)}.cell--hint-unit{background:var(--hint)}.cell--hint{background:var(--hint-strong)}.cell--selected{background:var(--selected)}.cell--hint-target{box-shadow:inset 0 0 0 3px var(--accent)}.cell--given{color:var(--given);font-weight:600}.cell--entry{color:var(--entry);font-weight:500}.cell--wrong{color:var(--wrong)}.cell--wrong:not(.cell--selected){background:var(--wrong-bg)}.cell--conflict{color:var(--wrong)}.cell--flash .cell__value{animation:shake .35s ease-in-out 2}@keyframes shake{25%{transform:translate(-3px)}75%{transform:translate(3px)}}.cell__notes{display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);width:100%;height:100%;padding:2px}.note{display:grid;place-items:center;font-size:clamp(.5rem,2.2vw,.72rem);color:var(--muted);font-weight:500}.note--same{color:var(--accent-contrast);background:var(--accent);border-radius:4px}.note--elim{color:var(--wrong);text-decoration:line-through}.board--paused .cell{background:var(--surface-2)}.board-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-content:center;justify-items:center;gap:8px;border:0;border-radius:10px;background:color-mix(in srgb,var(--surface) 70%,transparent);color:var(--text);font-weight:600}.cell--blocker{background:var(--wrong-bg);color:var(--wrong);animation:blocker .4s ease-in-out 2}.cell--blocked{box-shadow:inset 0 0 0 3px var(--wrong)}@keyframes blocker{50%{transform:scale(1.08)}}.cell--dim:not(.cell--same):not(.cell--selected){background:var(--dim)}.mode-row{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:32px;margin-top:-4px}.mode-row__status{font-size:.85rem;color:var(--accent);font-weight:600}.lightning{flex:none;position:relative;width:54px;height:30px;border:0;border-radius:999px;background:var(--line);padding:0;transition:background .15s}.lightning__knob{position:absolute;top:3px;left:3px;width:24px;height:24px;border-radius:50%;display:grid;place-items:center;background:var(--surface);color:var(--muted);box-shadow:0 1px 3px #00000040;transition:transform .15s}.lightning--on{background:var(--accent)}.lightning--on .lightning__knob{transform:translate(24px);color:var(--accent)}.lightning:disabled{opacity:.4}.toolbar{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.tool{display:grid;justify-items:center;gap:4px;padding:8px 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.num__left{color:var(--accent-contrast)}.num:disabled{opacity:.3;box-shadow:none}.game__tip{margin:0;text-align:center;font-size:.8rem;color:var(--muted)}.hint{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);border-left:4px solid var(--accent);padding:14px 16px}.hint__title{font-weight:700;color:var(--accent)}.hint__text{margin:6px 0 12px;line-height:1.45}.hint__actions{display:flex;justify-content:flex-end;gap:8px}.autocomplete{position:fixed;left:50%;bottom:max(20px,env(safe-area-inset-bottom));transform:translate(-50%);box-shadow:0 6px 24px #0003;z-index:5}.autocomplete--banner{display:flex;align-items:center;gap:12px;padding:6px 6px 6px 18px;border-radius:999px;background:var(--surface);color:var(--text);font-weight:600;white-space:nowrap}.autocomplete--banner .btn{min-height:36px;padding:0 14px}.toast{position:fixed;left:50%;top:max(16px,env(safe-area-inset-top));transform:translate(-50%);background:var(--text);color:var(--bg);padding:10px 16px;border-radius:999px;font-size:.9rem;z-index:20;animation:toast 2.2s ease forwards;pointer-events:none}@keyframes toast{0%{opacity:0;transform:translate(-50%,-8px)}10%,80%{opacity:1;transform:translate(-50%)}to{opacity:0}}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;display:grid;place-items:center;padding:16px;z-index:10}.modal{width:min(400px,100%);background:var(--surface);border-radius:18px;padding:22px;box-shadow:0 20px 60px #0000004d}.modal h2{font-size:1.4rem;margin-bottom:12px}.modal p{color:var(--muted)}.modal__actions{display:flex;gap:8px;justify-content:flex-end;margin-top:18px}.modal__actions--stack{flex-direction:column}.result{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:0}.result div{background:var(--surface-2);border-radius:12px;padding:10px 12px}.result dt{font-size:.8rem;color:var(--muted)}.result dd{margin:2px 0 0;font-size:1.15rem;font-weight:700;font-variant-numeric:tabular-nums}.segmented{display:grid;grid-auto-flow:column;grid-auto-columns:1fr;background:var(--surface-2);border-radius:12px;padding:4px;gap:4px}.segmented button{border:0;background:transparent;border-radius:9px;min-height:38px;font-weight:600;color:var(--muted)}.segmented .is-on{background:var(--surface);color:var(--text);box-shadow:var(--shadow)}.toggle{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:10px 0;border-top:1px solid var(--surface-2);cursor:pointer}.card__title+.toggle{border-top:0}.toggle__label{display:block;font-weight:500}.toggle__desc{display:block;font-size:.82rem;color:var(--muted);margin-top:2px}.toggle input{-webkit-appearance:none;-moz-appearance:none;appearance:none;flex:none;width:46px;height:28px;border-radius:999px;background:var(--line);position:relative;transition:background .15s;cursor:pointer}.toggle input:after{content:"";position:absolute;top:3px;left:3px;width:22px;height:22px;border-radius:50%;background:#fff;transition:transform .15s}.toggle input:checked{background:var(--accent)}.toggle input:checked:after{transform:translate(18px)}.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(104px,1fr));gap:8px}.tile{background:var(--surface-2);border-radius:12px;padding:10px 12px;display:grid;gap:2px}.tile__value{font-size:1.25rem;font-weight:700;font-variant-numeric:tabular-nums}.tile__label{font-size:.78rem;color:var(--muted)}@media (min-width: 560px){.app{padding-top:24px}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation:none!important;transition:none!important}}