/*! tailwindcss v4.3.1 | MIT License | https://tailwindcss.com */@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing:.25rem;--radius-md:.375rem;--radius-2xl:1rem;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab,red,red)){::placeholder{color:color-mix(in oklab,currentcolor 50%,transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.visible{visibility:visible}.sr-only{clip-path:inset(50%);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.absolute{position:absolute}.fixed{position:fixed}.relative{position:relative}.static{position:static}.inset-0{inset:0}.z-50{z-index:50}.mx-4{margin-inline:calc(var(--spacing) * 4)}.flex{display:flex}.grid{display:grid}.hidden{display:none}.inline{display:inline}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-center{justify-content:center}.gap-4{gap:calc(var(--spacing) * 4)}.rounded-2xl{border-radius:var(--radius-2xl)}.rounded-md{border-radius:var(--radius-md)}.bg-\[var\(--c-surface\)\]\/60{background-color:var(--c-surface)}@supports (color:color-mix(in lab,red,red)){.bg-\[var\(--c-surface\)\]\/60{background-color:color-mix(in oklab,var(--c-surface) 60%,transparent)}}.p-8{padding:calc(var(--spacing) * 8)}.text-center{text-align:center}}:root{--c-bg:#f0f4f8;--c-surface:#fff;--c-border-outer:#1e293b;--c-border-box:#334155;--c-border-cell:#cbd5e1;--c-text:#0f172a;--c-text-muted:#64748b;--c-given:#0f172a;--c-entry:#2563eb;--c-conflict:#dc2626;--c-note:#94a3b8;--c-sel:#bfdbfe;--c-related:#f1f5f9;--c-same:#dbeafe;--c-accent:#2563eb;--c-accent-hover:#1d4ed8;--board-shadow:0 12px 40px -10px #0f172a33, 0 3px 10px -3px #0f172a1a;--btn-shadow:0 1px 2px #0f172a0f, 0 2px 6px -2px #0f172a14}.dark{--c-bg:#0d1117;--c-surface:#161b22;--c-border-outer:#8b9cb3;--c-border-box:#475569;--c-border-cell:#263040;--c-text:#e2e8f0;--c-text-muted:#64748b;--c-given:#f1f5f9;--c-entry:#60a5fa;--c-conflict:#f87171;--c-note:#4b6075;--c-sel:#1e3a5f;--c-related:#1a2535;--c-same:#172554;--c-accent:#3b82f6;--c-accent-hover:#2563eb;--board-shadow:0 12px 44px -8px #0000008c, 0 3px 12px -3px #0006;--btn-shadow:0 1px 2px #0000004d}html,body,#root{height:100%}body{background:var(--c-bg);color:var(--c-text);font-family:system-ui,-apple-system,Segoe UI,sans-serif;transition:background .2s,color .2s}:root{--game-size:min(88vw, calc(88svh - 280px) , 500px)}.toolbar-wrap{width:var(--game-size);flex-direction:column;gap:8px;margin-bottom:10px;display:flex}.toolbar-row{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;display:flex}.toolbar-row--top{margin-bottom:2px}.toolbar-title{color:var(--c-text);letter-spacing:-.03em;margin:0;font-size:1.25rem;font-weight:800}.toolbar-title__dot{color:var(--c-accent)}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.toolbar-stats{flex-shrink:0;align-items:center;gap:8px;display:flex}.toolbar-timer{color:var(--c-text-muted);font-variant-numeric:tabular-nums;letter-spacing:.03em;font-size:.9375rem;font-weight:600}.toolbar-mistakes{min-width:2.1rem;color:var(--c-conflict);background:var(--c-conflict);border-radius:999px;justify-content:center;align-items:center;gap:3px;padding:2px 7px;font-size:.8125rem;font-weight:700;display:inline-flex}@supports (color:color-mix(in lab,red,red)){.toolbar-mistakes{background:color-mix(in srgb,var(--c-conflict) 12%,transparent)}}.toolbar-mistakes{transition:opacity .18s,transform .18s}.toolbar-mistakes--empty{opacity:0;pointer-events:none;transform:scale(.7)}@media(prefers-reduced-motion:reduce){.toolbar-mistakes{transition:none}}@media(max-width:640px){.toolbar-actions{gap:4px}.tb-btn--icon{padding:6px}.btn-primary{padding:7px 12px}.toolbar-stats{gap:6px}.toolbar-mistakes{min-width:1.9rem;padding:2px 6px}}.toolbar-settings{flex-direction:column;gap:8px;display:flex}.settings-bar{align-items:stretch;gap:8px;display:none}.settings-toggle{background:var(--c-surface);border:1.5px solid var(--c-border-cell);color:var(--c-text);cursor:pointer;-webkit-tap-highlight-color:transparent;border-radius:10px;flex:1;justify-content:space-between;align-items:center;gap:6px;padding:7px 12px;font-size:.8125rem;font-weight:600;display:flex}.settings-summary{letter-spacing:.01em}.settings-chevron{color:var(--c-text-muted);transition:transform .16s}.toolbar-settings.open .settings-chevron{transform:rotate(180deg)}.hint-btn{background:var(--c-surface);border:1.5px solid var(--c-border-cell);color:var(--c-text);cursor:pointer;-webkit-tap-highlight-color:transparent;border-radius:10px;justify-content:center;align-items:center;gap:5px;padding:7px 14px;font-size:.8125rem;font-weight:600;transition:all .1s;display:inline-flex}.hint-btn:hover:not(:disabled){background:var(--c-related);border-color:var(--c-accent);color:var(--c-accent)}.hint-btn:disabled{opacity:.4;cursor:default}.hint-btn--mobile{display:none}.toolbar-controls{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;display:flex}.control-group{align-items:center;gap:8px;display:flex}@media(max-width:640px){:root{--game-size:min(94vw, calc(96svh - 232px) , 460px)}.settings-bar{display:flex}.hint-btn--mobile{display:inline-flex}.hint-btn--desktop,.toolbar-controls{display:none}.toolbar-settings.open .toolbar-controls{flex-direction:column;align-items:stretch;gap:10px;padding-top:2px;display:flex}.toolbar-settings.open .pill-group{justify-content:space-between}.toolbar-settings.open .control-group{justify-content:flex-end}}.board-wrap{justify-content:center;align-items:center;display:flex;position:relative}.board{grid-template-columns:repeat(var(--grid-size,9),1fr);background:var(--c-surface);border:2.5px solid var(--c-border-outer);box-shadow:var(--board-shadow);width:var(--game-size);height:var(--game-size);-webkit-user-select:none;user-select:none;border-radius:6px;display:grid;overflow:hidden}@keyframes board-solve{0%{box-shadow:var(--board-shadow),inset 0 0 0 3px color-mix(in srgb,var(--c-accent) 55%,transparent)}to{box-shadow:var(--board-shadow),inset 0 0 0 3px transparent}}.board--solved{animation:1s ease-out board-solve}.cell{cursor:pointer;background:var(--c-surface);-webkit-tap-highlight-color:transparent;justify-content:center;align-items:center;transition:background 80ms;display:flex;position:relative}.cell:hover{background:var(--c-sel)}@supports (color:color-mix(in lab,red,red)){.cell:hover{background:color-mix(in srgb,var(--c-sel) 30%,var(--c-surface))}}.cell.selected{background:var(--c-sel)!important}.cell.related{background:var(--c-related)}.cell.same{background:var(--c-same)}@keyframes cell-shake{0%,to{transform:translate(0)}20%,60%{transform:translate(-2px)}40%,80%{transform:translate(2px)}}.cell.conflict{animation:.2s ease-in-out cell-shake}@keyframes unit-flash{0%{box-shadow:inset 0 0 0 99px color-mix(in srgb,var(--c-accent) 24%,transparent)}to{box-shadow:inset 0 0 0 99px #0000}}.cell.unit-flash{animation:.64s ease-out unit-flash}@keyframes hint-flash{0%{background:color-mix(in srgb,var(--c-accent) 70%,var(--c-surface))}to{background:var(--c-surface)}}.cell.hint{z-index:1;animation:1.1s ease-out hint-flash}.cell.hint .digit-entry{color:var(--c-accent);font-weight:700}.digit-given{color:var(--c-given);font-weight:700;line-height:1}.digit-entry{color:var(--c-entry);font-weight:500;line-height:1;animation:.13s ease-out digit-pop}@keyframes digit-pop{0%{opacity:0;transform:scale(.55)}to{opacity:1;transform:scale(1)}}.cell.conflict .digit-given,.cell.conflict .digit-entry{color:var(--c-conflict)}.notes-grid{width:100%;height:100%;padding:2px;display:grid}.note-digit{color:var(--c-note);justify-content:center;align-items:center;font-weight:500;line-height:1;display:flex}.numpad-wrap{width:var(--game-size);flex-direction:column;gap:6px;margin-top:10px;display:flex}.action-bar{gap:4px;display:flex}.action-btn{background:var(--c-surface);border:1.5px solid var(--c-border-cell);min-height:52px;box-shadow:var(--btn-shadow);cursor:pointer;color:var(--c-text-muted);-webkit-tap-highlight-color:transparent;border-radius:10px;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:3px;transition:all 80ms;display:flex}.action-btn:hover:not(:disabled){background:var(--c-related);color:var(--c-text);border-color:#0000}.action-btn:disabled{opacity:.28;cursor:default}.action-btn--active{background:var(--c-entry)}@supports (color:color-mix(in lab,red,red)){.action-btn--active{background:color-mix(in srgb,var(--c-entry) 10%,var(--c-surface))}}.action-btn--active{border-color:var(--c-entry);box-shadow:inset 0 0 0 1px var(--c-entry);color:var(--c-entry)}.action-btn--active:hover:not(:disabled){background:var(--c-entry)}@supports (color:color-mix(in lab,red,red)){.action-btn--active:hover:not(:disabled){background:color-mix(in srgb,var(--c-entry) 16%,var(--c-surface))}}.action-btn--active:hover:not(:disabled){border-color:var(--c-entry)}.action-label{letter-spacing:.01em;align-items:center;gap:3px;font-size:.6875rem;font-weight:600;display:flex}.notes-badge{background:var(--c-text-muted);border-radius:4px;padding:1px 4px;font-size:.5625rem;font-weight:700}@supports (color:color-mix(in lab,red,red)){.notes-badge{background:color-mix(in srgb,var(--c-text-muted) 20%,transparent)}}.notes-badge{color:var(--c-text-muted);letter-spacing:.04em}.notes-badge--on{background:var(--c-entry)}@supports (color:color-mix(in lab,red,red)){.notes-badge--on{background:color-mix(in srgb,var(--c-entry) 20%,transparent)}}.notes-badge--on{color:var(--c-entry)}.digit-row{gap:4px;display:flex}.digit-btn{background:var(--c-surface);border:1.5px solid var(--c-border-cell);min-height:60px;box-shadow:var(--btn-shadow);cursor:pointer;-webkit-tap-highlight-color:transparent;border-radius:10px;flex:1;justify-content:center;align-items:center;transition:all 80ms;display:flex;position:relative}.digit-btn:active:not(:disabled){background:var(--c-sel);transform:scale(.88)}.digit-btn:disabled{opacity:.2;cursor:default}.digit-btn--highlighted{background:var(--c-same);border-color:var(--c-entry)}@supports (color:color-mix(in lab,red,red)){.digit-btn--highlighted{border-color:color-mix(in srgb,var(--c-entry) 40%,transparent)}}.digit-btn--done{opacity:.2}.digit-btn--conflict:not(.digit-btn--done){opacity:.4}.digit-btn--conflict:not(.digit-btn--done) .digit-btn__num{color:var(--c-conflict);font-weight:600}.digit-btn__num{color:var(--c-text);font-size:clamp(1.5rem,6.5vw,2.125rem);font-weight:700;line-height:1}.tb-btn{color:var(--c-text-muted);cursor:pointer;-webkit-tap-highlight-color:transparent;background:0 0;border:1.5px solid #0000;border-radius:8px;justify-content:center;align-items:center;gap:5px;padding:6px 10px;font-size:.8125rem;font-weight:500;transition:all .1s;display:inline-flex}.tb-btn--icon{padding:6px 8px}.tb-btn__label{font-size:.75rem}.toolbar-actions{flex-shrink:0;align-items:center;gap:6px;display:flex}.tb-btn:hover{background:var(--c-border-cell)}@supports (color:color-mix(in lab,red,red)){.tb-btn:hover{background:color-mix(in srgb,var(--c-border-cell) 50%,transparent)}}.tb-btn:hover{color:var(--c-text)}.tb-btn.active{background:var(--c-entry)}@supports (color:color-mix(in lab,red,red)){.tb-btn.active{background:color-mix(in srgb,var(--c-entry) 12%,transparent)}}.tb-btn.active{border-color:var(--c-entry)}@supports (color:color-mix(in lab,red,red)){.tb-btn.active{border-color:color-mix(in srgb,var(--c-entry) 40%,transparent)}}.tb-btn.active{color:var(--c-entry)}.pill-group{gap:4px;display:flex}.pill{cursor:pointer;color:var(--c-text-muted);-webkit-tap-highlight-color:transparent;background:0 0;border:1.5px solid #0000;border-radius:999px;padding:5px 14px;font-size:.8125rem;font-weight:500;transition:all .1s}.pill:hover{background:var(--c-border-cell)}@supports (color:color-mix(in lab,red,red)){.pill:hover{background:color-mix(in srgb,var(--c-border-cell) 50%,transparent)}}.pill:hover{color:var(--c-text)}.pill.active{background:var(--c-accent);color:#fff;border-color:var(--c-accent)}.pill--sm{padding:4px 10px;font-size:.75rem}.btn-primary{white-space:nowrap;background:var(--c-accent);color:#fff;cursor:pointer;-webkit-tap-highlight-color:transparent;border:none;border-radius:8px;padding:7px 18px;font-size:.875rem;font-weight:600;transition:background .1s,opacity .1s}.btn-primary:hover:not(:disabled){background:var(--c-accent-hover)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}@keyframes pop-in{0%{opacity:0;transform:scale(.88)translateY(16px)}to{opacity:1;transform:scale(1)translateY(0)}}.win-card{animation:.28s cubic-bezier(.34,1.56,.64,1) both pop-in}.htp-overlay{z-index:60;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#0006;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0;overflow-y:auto}.htp-card{background:var(--c-surface);color:var(--c-text);border-radius:18px;width:100%;max-width:440px;max-height:calc(100svh - 32px);padding:26px 26px 22px;animation:.26s cubic-bezier(.34,1.56,.64,1) both pop-in;position:relative;overflow-y:auto;box-shadow:0 24px 64px -8px #00000073}.htp-close{width:32px;height:32px;color:var(--c-text-muted);cursor:pointer;background:0 0;border:none;border-radius:8px;justify-content:center;align-items:center;transition:background .1s,color .1s;display:inline-flex;position:absolute;top:16px;right:16px}.htp-close:hover{background:var(--c-related);color:var(--c-text)}.htp-title{letter-spacing:-.02em;margin:0 0 4px;font-size:1.4rem;font-weight:800}.htp-section{margin-top:18px}.htp-h3{text-transform:uppercase;letter-spacing:.06em;color:var(--c-accent);margin:0 0 8px;font-size:.8125rem;font-weight:700}.htp-p{color:var(--c-text);margin:0;font-size:.9rem;line-height:1.55}.htp-list{flex-direction:column;gap:7px;margin:0;padding-left:20px;list-style:outside;display:flex}.htp-list li{color:var(--c-text);font-size:.9rem;line-height:1.5;list-style:outside}.htp-list li::marker{color:var(--c-accent)}.htp-list strong,.htp-p strong{color:var(--c-text);font-weight:700}.htp-shortcuts{grid-template-columns:1fr;gap:8px;display:grid}@media(min-width:380px){.htp-shortcuts{grid-template-columns:1fr 1fr}}.htp-shortcut{align-items:center;gap:8px;display:flex}.htp-keys{flex-shrink:0;gap:3px;display:inline-flex}.htp-shortcut-label{color:var(--c-text-muted);font-size:.82rem}.htp-kbd{min-width:22px;color:var(--c-text);background:var(--c-bg);border:1px solid var(--c-border-cell);border-bottom-width:2px;border-radius:6px;justify-content:center;align-items:center;padding:2px 6px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.72rem;font-weight:600;display:inline-flex}.htp-done{border-radius:12px;width:100%;margin-top:22px;padding:12px;font-size:.95rem}.site-footer{width:var(--game-size);color:var(--c-text-muted);text-align:center;flex-wrap:wrap;justify-content:center;align-items:center;gap:6px;margin-top:16px;font-size:.75rem;display:flex}.site-footer__brand{color:var(--c-text);letter-spacing:-.01em;font-weight:700}.site-footer__sep{opacity:.5}@keyframes spin{to{transform:rotate(360deg)}}.spinner{border:3px solid var(--c-accent);width:32px;height:32px}@supports (color:color-mix(in lab,red,red)){.spinner{border:3px solid color-mix(in srgb,var(--c-accent) 25%,transparent)}}.spinner{border-top-color:var(--c-accent);border-radius:50%;animation:.7s linear infinite spin}@media(prefers-reduced-motion:reduce){.cell,.cell.conflict,.cell.unit-flash,.digit-entry,.board--solved,.win-card,.htp-card,.spinner{transition:none!important;animation:none!important}}
