@import"https://fonts.googleapis.com/css2?family=Manrope:wght@500;700;800&family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap";@import"https://fonts.googleapis.com/css2?family=Material+Symbols+Rounded:opsz,wght,FILL,GRAD@24,500,0,0&display=swap";*,:before,:after{--tw-border-spacing-x: 0;--tw-border-spacing-y: 0;--tw-translate-x: 0;--tw-translate-y: 0;--tw-rotate: 0;--tw-skew-x: 0;--tw-skew-y: 0;--tw-scale-x: 1;--tw-scale-y: 1;--tw-pan-x: ;--tw-pan-y: ;--tw-pinch-zoom: ;--tw-scroll-snap-strictness: proximity;--tw-gradient-from-position: ;--tw-gradient-via-position: ;--tw-gradient-to-position: ;--tw-ordinal: ;--tw-slashed-zero: ;--tw-numeric-figure: ;--tw-numeric-spacing: ;--tw-numeric-fraction: ;--tw-ring-inset: ;--tw-ring-offset-width: 0px;--tw-ring-offset-color: #fff;--tw-ring-color: rgb(59 130 246 / .5);--tw-ring-offset-shadow: 0 0 #0000;--tw-ring-shadow: 0 0 #0000;--tw-shadow: 0 0 #0000;--tw-shadow-colored: 0 0 #0000;--tw-blur: ;--tw-brightness: ;--tw-contrast: ;--tw-grayscale: ;--tw-hue-rotate: ;--tw-invert: ;--tw-saturate: ;--tw-sepia: ;--tw-drop-shadow: ;--tw-backdrop-blur: ;--tw-backdrop-brightness: ;--tw-backdrop-contrast: ;--tw-backdrop-grayscale: ;--tw-backdrop-hue-rotate: ;--tw-backdrop-invert: ;--tw-backdrop-opacity: ;--tw-backdrop-saturate: ;--tw-backdrop-sepia: ;--tw-contain-size: ;--tw-contain-layout: ;--tw-contain-paint: ;--tw-contain-style: }::backdrop{--tw-border-spacing-x: 0;--tw-border-spacing-y: 0;--tw-translate-x: 0;--tw-translate-y: 0;--tw-rotate: 0;--tw-skew-x: 0;--tw-skew-y: 0;--tw-scale-x: 1;--tw-scale-y: 1;--tw-pan-x: ;--tw-pan-y: ;--tw-pinch-zoom: ;--tw-scroll-snap-strictness: proximity;--tw-gradient-from-position: ;--tw-gradient-via-position: ;--tw-gradient-to-position: ;--tw-ordinal: ;--tw-slashed-zero: ;--tw-numeric-figure: ;--tw-numeric-spacing: ;--tw-numeric-fraction: ;--tw-ring-inset: ;--tw-ring-offset-width: 0px;--tw-ring-offset-color: #fff;--tw-ring-color: rgb(59 130 246 / .5);--tw-ring-offset-shadow: 0 0 #0000;--tw-ring-shadow: 0 0 #0000;--tw-shadow: 0 0 #0000;--tw-shadow-colored: 0 0 #0000;--tw-blur: ;--tw-brightness: ;--tw-contrast: ;--tw-grayscale: ;--tw-hue-rotate: ;--tw-invert: ;--tw-saturate: ;--tw-sepia: ;--tw-drop-shadow: ;--tw-backdrop-blur: ;--tw-backdrop-brightness: ;--tw-backdrop-contrast: ;--tw-backdrop-grayscale: ;--tw-backdrop-hue-rotate: ;--tw-backdrop-invert: ;--tw-backdrop-opacity: ;--tw-backdrop-saturate: ;--tw-backdrop-sepia: ;--tw-contain-size: ;--tw-contain-layout: ;--tw-contain-paint: ;--tw-contain-style: }*,:before,:after{box-sizing:border-box;border-width:0;border-style:solid;border-color:#e5e7eb}:before,:after{--tw-content: ""}html,:host{line-height:1.5;-webkit-text-size-adjust:100%;-moz-tab-size:4;-o-tab-size:4;tab-size:4;font-family:Avenir Next,Segoe UI,PingFang SC,Hiragino Sans GB,Noto Sans SC,sans-serif;font-feature-settings:normal;font-variation-settings:normal;-webkit-tap-highlight-color:transparent}body{margin:0;line-height:inherit}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;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;font-feature-settings:normal;font-variation-settings:normal;font-size:1em}small{font-size:80%}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}button,input,optgroup,select,textarea{font-family:inherit;font-feature-settings:inherit;font-variation-settings:inherit;font-size:100%;font-weight:inherit;line-height:inherit;letter-spacing:inherit;color:inherit;margin:0;padding:0}button,select{text-transform:none}button,input:where([type=button]),input:where([type=reset]),input:where([type=submit]){-webkit-appearance:button;background-color:transparent;background-image:none}:-moz-focusring{outline:auto}:-moz-ui-invalid{box-shadow:none}progress{vertical-align:baseline}::-webkit-inner-spin-button,::-webkit-outer-spin-button{height:auto}[type=search]{-webkit-appearance:textfield;outline-offset:-2px}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-file-upload-button{-webkit-appearance:button;font:inherit}summary{display:list-item}blockquote,dl,dd,h1,h2,h3,h4,h5,h6,hr,figure,p,pre{margin:0}fieldset{margin:0;padding:0}legend{padding:0}ol,ul,menu{list-style:none;margin:0;padding:0}dialog{padding:0}textarea{resize:vertical}input::-moz-placeholder,textarea::-moz-placeholder{opacity:1;color:#9ca3af}input::placeholder,textarea::placeholder{opacity:1;color:#9ca3af}button,[role=button]{cursor:pointer}:disabled{cursor:default}img,svg,video,canvas,audio,iframe,embed,object{display:block;vertical-align:middle}img,video{max-width:100%;height:auto}[hidden]:where(:not([hidden=until-found])){display:none}html,body,#root{height:100%;min-height:100%;overflow:hidden}body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:rgb(var(--surface));color:rgb(var(--ink));font-family:Plus Jakarta Sans,Avenir Next,Segoe UI,PingFang SC,Hiragino Sans GB,Noto Sans SC,sans-serif}button{touch-action:manipulation;transition:background-color .18s var(--ease),box-shadow .22s var(--ease),color .18s var(--ease),transform .18s var(--ease)}button:disabled{cursor:not-allowed;opacity:.55}::-moz-selection{background:rgba(var(--primary),.18)}::selection{background:rgba(var(--primary),.18)}.container{width:100%}@media (min-width: 640px){.container{max-width:640px}}@media (min-width: 768px){.container{max-width:768px}}@media (min-width: 1024px){.container{max-width:1024px}}@media (min-width: 1280px){.container{max-width:1280px}}@media (min-width: 1536px){.container{max-width:1536px}}.game-app{background:rgb(var(--surface))}.game-phone{margin-left:auto;margin-right:auto;display:flex;height:100dvh;width:100%;max-width:45rem;flex-direction:column;overflow:hidden;padding-left:1rem;padding-right:1rem;padding-top:max(env(safe-area-inset-top,0px),1rem);padding-bottom:calc(env(safe-area-inset-bottom,0px) + 1.2rem)}.desktop-header{display:none}.mobile-appbar{display:grid;height:3.5rem;flex-shrink:0;grid-template-columns:3.9rem minmax(0,1fr) 3.35rem;align-items:center;gap:.5rem}.appbar-new-game{display:grid;height:2.5rem;min-width:0px;place-items:center;border-radius:9999px;padding-left:.75rem;padding-right:.75rem;font-size:.875rem;line-height:1.25rem;font-weight:800;outline:2px solid transparent;outline-offset:2px}.appbar-new-game:focus-visible{--tw-ring-offset-shadow: var(--tw-ring-inset) 0 0 0 var(--tw-ring-offset-width) var(--tw-ring-offset-color);--tw-ring-shadow: var(--tw-ring-inset) 0 0 0 calc(2px + var(--tw-ring-offset-width)) var(--tw-ring-color);box-shadow:var(--tw-ring-offset-shadow),var(--tw-ring-shadow),var(--tw-shadow, 0 0 #0000)}.appbar-new-game{background:rgb(var(--surface-lowest));color:rgb(var(--primary));box-shadow:inset 0 0 0 1px rgba(var(--outline),.1),0 10px 18px -16px rgba(var(--primary),.36)}.appbar-new-game:hover:not(:disabled),.appbar-new-game:focus-visible{background:rgb(var(--surface-lowest));box-shadow:inset 0 0 0 1px rgba(var(--primary),.14),0 10px 18px -16px rgba(var(--primary),.36)}.language-switch{position:relative;display:grid;height:2.5rem;width:3.35rem;grid-template-columns:repeat(2,minmax(0,1fr));align-items:center;justify-self:end;border-radius:9999px;padding:.25rem;background:rgba(var(--surface-container),.78);box-shadow:inset 0 0 0 1px rgba(var(--outline),.12);overflow:hidden}.language-switch:before{content:"";position:absolute;inset:.25rem auto .25rem .25rem;width:calc((100% - .5rem)/2);border-radius:9999px;background:rgb(var(--surface-lowest));box-shadow:0 10px 18px -16px rgba(var(--primary),.36);transform:translate(calc(var(--language-index, 0) * 100%));transition:transform .26s var(--ease)}.language-switch[data-language=zh]{--language-index: 1}.language-switch button{position:relative;z-index:10;display:grid;height:100%;place-items:center;border-radius:9999px;font-size:.75rem;line-height:1rem;font-weight:800;outline:2px solid transparent;outline-offset:2px}.language-switch button:focus-visible{--tw-ring-offset-shadow: var(--tw-ring-inset) 0 0 0 var(--tw-ring-offset-width) var(--tw-ring-offset-color);--tw-ring-shadow: var(--tw-ring-inset) 0 0 0 calc(2px + var(--tw-ring-offset-width)) var(--tw-ring-color);box-shadow:var(--tw-ring-offset-shadow),var(--tw-ring-shadow),var(--tw-shadow, 0 0 #0000)}.language-switch button{color:rgb(var(--muted))}.language-switch button[data-active=true]{color:rgb(var(--primary))}.difficulty-switch{position:relative;display:grid;min-width:0px;grid-template-columns:1fr 1fr 1fr 1.45fr;align-items:center;border-radius:9999px;padding:.25rem;background:rgba(var(--surface-container),.72);box-shadow:inset 0 0 0 1px rgba(var(--outline),.1);overflow:hidden;--difficulty-index: 0}.difficulty-switch:before{content:"";position:absolute;left:.25rem;top:.25rem;width:calc((100% - .5rem) / 4.45);height:calc(100% - .5rem);border-radius:9999px;background:rgb(var(--surface-lowest));box-shadow:0 10px 18px -16px rgba(var(--primary),.36);transform:translate(calc(var(--difficulty-index) * 100%));transition:transform .28s var(--ease)}.difficulty-segment,.difficulty-time{position:relative;min-height:2.5rem;min-width:0px;padding-left:.5rem;padding-right:.5rem;text-align:center}.difficulty-segment{position:relative;z-index:10;display:grid;place-items:center;border-radius:9999px;color:rgb(var(--muted));font-size:clamp(.68rem,2.7vw,.9rem);font-weight:800;line-height:1;outline:none}.difficulty-segment+.difficulty-segment:before,.difficulty-time:before{content:"";position:absolute;left:0;top:50%;width:1px;height:1rem;background:rgba(var(--muted),.22);transform:translateY(-50%)}.difficulty-segment[data-active=true]{color:rgb(var(--primary))}.difficulty-segment:focus-visible{box-shadow:inset 0 0 0 2px rgba(var(--primary),.52)}.difficulty-time{position:relative;z-index:10;display:flex;align-items:center;justify-content:center;gap:.375rem;color:rgb(var(--primary));font-family:Manrope,Avenir Next,Segoe UI,sans-serif;line-height:1}.difficulty-time span{color:rgb(var(--muted));font-family:Plus Jakarta Sans,Avenir Next,Segoe UI,sans-serif;font-size:clamp(.52rem,2vw,.68rem);font-weight:800;text-transform:uppercase}.difficulty-time strong{font-size:clamp(.82rem,3.1vw,1rem);font-weight:800}.play-surface{min-height:0px}.board-stage{flex-shrink:0;margin-top:clamp(6.5rem,18dvh,16rem)}.board-measure{margin-left:auto;margin-right:auto;aspect-ratio:1 / 1;width:100%;max-width:min(41rem,calc(100dvh - 22rem))}.game-controls{margin-top:1.75rem;display:grid;flex-shrink:0;gap:1.5rem}.action-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));align-items:flex-start;gap:1rem}.action-button{position:relative;display:flex;min-width:0px;flex-direction:column;align-items:center;gap:.5rem;border-radius:.75rem;background-color:transparent;text-align:center;outline:2px solid transparent;outline-offset:2px}.action-button:focus-visible{--tw-ring-offset-shadow: var(--tw-ring-inset) 0 0 0 var(--tw-ring-offset-width) var(--tw-ring-offset-color);--tw-ring-shadow: var(--tw-ring-inset) 0 0 0 calc(2px + var(--tw-ring-offset-width)) var(--tw-ring-color);box-shadow:var(--tw-ring-offset-shadow),var(--tw-ring-shadow),var(--tw-shadow, 0 0 #0000)}.action-button{color:rgb(var(--muted))}.action-button__icon{display:grid;height:3rem;width:3rem;place-items:center;border-radius:.75rem;background:rgb(var(--surface-container));color:rgb(var(--primary));font-family:Material Symbols Rounded;font-size:1.65rem;font-variation-settings:"FILL" 0,"wght" 500,"GRAD" 0,"opsz" 24;font-weight:500;line-height:1;box-shadow:0 10px 18px -16px rgba(var(--ink),.28)}.action-button__label{color:rgb(var(--muted));font-size:clamp(.72rem,2.7vw,.95rem);font-weight:800;letter-spacing:.08em;line-height:1}.action-button[data-active=true] .action-button__icon{background:linear-gradient(135deg,rgb(var(--primary)),rgb(var(--primary-container)));color:rgb(var(--surface-lowest));box-shadow:0 0 0 6px rgba(var(--primary-fixed-dim),.8),0 18px 28px -18px rgba(var(--primary),.95)}.action-button[data-active=true] .action-button__icon:after{content:"";position:absolute;right:calc(50% - 1.95rem);top:-.28rem;width:1rem;height:1rem;border-radius:9999px;background:#8f4700;box-shadow:0 0 0 2px rgb(var(--surface))}.action-button[data-active=true] .action-button__label{color:rgb(var(--primary))}.control-progress{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}.digit-grid{display:grid;grid-template-columns:repeat(9,minmax(0,1fr));gap:.375rem}.digit-button{display:flex;min-width:0px;flex-direction:column;align-items:center;gap:.5rem;border-radius:.75rem;background-color:transparent;padding:0;text-align:center;outline:2px solid transparent;outline-offset:2px}.digit-button:focus-visible{--tw-ring-offset-shadow: var(--tw-ring-inset) 0 0 0 var(--tw-ring-offset-width) var(--tw-ring-offset-color);--tw-ring-shadow: var(--tw-ring-inset) 0 0 0 calc(2px + var(--tw-ring-offset-width)) var(--tw-ring-color);box-shadow:var(--tw-ring-offset-shadow),var(--tw-ring-shadow),var(--tw-shadow, 0 0 #0000)}.digit-button{color:rgb(var(--primary))}.digit-button__tile{display:grid;aspect-ratio:1 / 1;width:100%;place-items:center;border-radius:.75rem;background:rgb(var(--surface-lowest));box-shadow:0 10px 18px -16px rgba(var(--ink),.32),inset 0 0 0 1px rgba(var(--outline),.08)}.digit-button[data-active=true] .digit-button__tile{background:linear-gradient(135deg,rgb(var(--primary)),rgb(var(--primary-container)));color:rgb(var(--surface-lowest));box-shadow:0 14px 22px -14px rgba(var(--primary),.9)}.digit-button[data-complete=true] .digit-button__tile{background:rgba(var(--surface-container),.82);color:rgba(var(--muted),.72)}.digit-button__digit{font-family:Manrope,Avenir Next,Segoe UI,sans-serif;font-size:clamp(1.55rem,7vw,2.25rem);font-weight:800;line-height:1}.digit-button__meta{color:rgb(var(--muted));font-size:clamp(.58rem,2.2vw,.82rem);font-weight:600;line-height:1;white-space:nowrap}.sudoku-board{height:100%;width:100%;overflow:hidden;border-radius:1rem;padding:.5rem;background:rgb(var(--surface-low))}.sudoku-grid-shell{display:grid;height:100%;width:100%;border-radius:.75rem;background:transparent;grid-template-columns:repeat(3,minmax(0,1fr))}.sudoku-block{display:grid;border-radius:.125rem;background:transparent;gap:3px;grid-template-columns:repeat(3,minmax(0,1fr));padding:0}.sudoku-cell{--cell-bg: rgb(var(--surface-lowest));--cell-fg: rgb(var(--primary-container));--cell-shadow: none;--cell-translate: translateY(0);position:relative;display:grid;aspect-ratio:1 / 1;min-height:0px;place-items:center;border-radius:.25rem;line-height:1;outline:2px solid transparent;outline-offset:2px;background:var(--cell-bg);box-shadow:var(--cell-shadow);color:var(--cell-fg);font-family:Manrope,Avenir Next,Segoe UI,sans-serif;font-variant-numeric:tabular-nums;font-weight:800;transform:translateZ(0) var(--cell-translate);transition:background-color .18s var(--ease),box-shadow .22s var(--ease),color .18s var(--ease),transform .18s var(--ease)}.sudoku-cell[data-fixed=true]{--cell-fg: rgb(var(--ink))}.sudoku-cell[data-same-digit=true]{--cell-bg: rgb(var(--primary-fixed));--cell-fg: rgb(var(--primary))}.sudoku-cell[data-has-notes=true]{--cell-fg: rgb(var(--primary))}.sudoku-cell[data-last-filled=true]{--cell-shadow: inset 0 0 0 2px rgba(var(--primary), .14)}.sudoku-cell[data-selected=true]{--cell-bg: rgb(var(--primary-fixed));--cell-fg: rgb(var(--ink));--cell-shadow: inset 0 0 0 2px rgb(var(--primary));z-index:1}.sudoku-cell:focus-visible{box-shadow:var(--cell-shadow),0 0 0 3px rgba(var(--primary),.18)}.sudoku-notes{display:grid;height:100%;width:100%;grid-template-columns:repeat(3,minmax(0,1fr));grid-template-rows:repeat(3,minmax(0,1fr));align-items:center;justify-items:center;padding:12%;color:rgb(var(--primary));font-family:Plus Jakarta Sans,Avenir Next,Segoe UI,sans-serif;font-size:.34em;font-weight:800;line-height:1}.sudoku-note{display:grid;height:100%;width:100%;place-items:center;opacity:0}.sudoku-note[data-filled=true]{opacity:.9}.new-game-button{height:4rem;border-radius:.75rem;text-align:center;font-size:1rem;line-height:1.5rem;font-weight:800;outline:2px solid transparent;outline-offset:2px}.new-game-button:focus-visible{--tw-ring-offset-shadow: var(--tw-ring-inset) 0 0 0 var(--tw-ring-offset-width) var(--tw-ring-offset-color);--tw-ring-shadow: var(--tw-ring-inset) 0 0 0 calc(2px + var(--tw-ring-offset-width)) var(--tw-ring-color);box-shadow:var(--tw-ring-offset-shadow),var(--tw-ring-shadow),var(--tw-shadow, 0 0 #0000)}.new-game-button{display:none;background:linear-gradient(135deg,rgb(var(--primary)),rgb(var(--primary-container)));color:rgb(var(--surface-lowest));box-shadow:0 20px 34px -20px rgba(var(--primary),.85)}.new-game-button:hover:not(:disabled),.new-game-button:focus-visible{transform:translateY(-1px)}.new-game-button:active:not(:disabled){transform:translateY(1px)}.subtle-enter{animation:panel-rise .36s var(--ease) both}.confirm-layer{position:fixed;top:0;right:0;bottom:0;left:0;z-index:20;display:grid;place-items:center;padding-left:1.25rem;padding-right:1.25rem;background:#13172247;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.confirm-dialog{width:100%;max-width:24rem;border-radius:1.5rem;padding:1.5rem;background:rgb(var(--surface-lowest));box-shadow:0 24px 64px -28px rgba(var(--ink),.48)}.confirm-dialog h2{color:rgb(var(--ink));font-family:Manrope,Avenir Next,Segoe UI,sans-serif;font-size:1.25rem;font-weight:800;line-height:1.1}.confirm-dialog p{margin-top:.75rem;font-size:.875rem;font-weight:600;line-height:1.5rem;color:rgb(var(--muted))}.confirm-checkbox{margin-top:1.25rem;display:flex;min-height:2.75rem;cursor:pointer;align-items:center;gap:.75rem;border-radius:1rem;padding-left:.75rem;padding-right:.75rem;font-size:.875rem;line-height:1.25rem;font-weight:700;background:rgb(var(--surface-low));color:rgb(var(--muted))}.confirm-checkbox input{height:1.25rem;width:1.25rem;flex-shrink:0;border-radius:.375rem;accent-color:rgb(var(--primary));outline:2px solid transparent;outline-offset:2px}.confirm-checkbox input:focus-visible{--tw-ring-offset-shadow: var(--tw-ring-inset) 0 0 0 var(--tw-ring-offset-width) var(--tw-ring-offset-color);--tw-ring-shadow: var(--tw-ring-inset) 0 0 0 calc(2px + var(--tw-ring-offset-width)) var(--tw-ring-color);box-shadow:var(--tw-ring-offset-shadow),var(--tw-ring-shadow),var(--tw-shadow, 0 0 #0000)}.confirm-actions{margin-top:1rem;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.75rem}.confirm-secondary,.confirm-primary{height:3rem;border-radius:1rem;font-size:.875rem;line-height:1.25rem;font-weight:800;outline:2px solid transparent;outline-offset:2px}.confirm-secondary:focus-visible,.confirm-primary:focus-visible{--tw-ring-offset-shadow: var(--tw-ring-inset) 0 0 0 var(--tw-ring-offset-width) var(--tw-ring-offset-color);--tw-ring-shadow: var(--tw-ring-inset) 0 0 0 calc(2px + var(--tw-ring-offset-width)) var(--tw-ring-color);box-shadow:var(--tw-ring-offset-shadow),var(--tw-ring-shadow),var(--tw-shadow, 0 0 #0000)}.confirm-secondary{background:rgb(var(--surface-low));color:rgb(var(--muted))}.confirm-primary{background:linear-gradient(135deg,rgb(var(--primary)),rgb(var(--primary-container)));color:rgb(var(--surface-lowest));box-shadow:0 16px 24px -18px rgba(var(--primary),.8)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}.fixed{position:fixed}.mx-auto{margin-left:auto;margin-right:auto}.block{display:block}.grid{display:grid}.hidden{display:none}.h-dvh{height:100dvh}.resize{resize:both}.overflow-hidden{overflow:hidden}.filter{filter:var(--tw-blur) var(--tw-brightness) var(--tw-contrast) var(--tw-grayscale) var(--tw-hue-rotate) var(--tw-invert) var(--tw-saturate) var(--tw-sepia) var(--tw-drop-shadow)}:root{color-scheme:light;--surface: 247 249 251;--surface-low: 242 244 246;--surface-container: 236 238 240;--surface-high: 224 227 229;--surface-highest: 216 218 220;--surface-lowest: 255 255 255;--primary: 36 56 156;--primary-container: 63 81 181;--primary-fixed: 222 224 255;--primary-fixed-dim: 202 207 255;--tertiary: 143 71 0;--ink: 25 28 30;--muted: 69 70 82;--chrome: 96 113 135;--outline: 197 197 212;--error: 186 26 26;--error-container: 255 218 214;--ease: cubic-bezier(.2, 0, 0, 1)}@media (min-width: 900px){.game-phone{max-width:none;padding-left:1.75rem;padding-right:1.75rem}.mobile-appbar{display:none}.desktop-header{display:grid;height:4rem;flex-shrink:0;grid-template-columns:minmax(5rem,1fr) minmax(24rem,34rem) minmax(5rem,1fr);align-items:flex-start}.desktop-header .difficulty-switch{justify-self:center;width:min(34rem,100%)}.desktop-header .difficulty-segment,.desktop-header .difficulty-time{min-height:2.9rem}.desktop-header .difficulty-segment{font-size:.92rem}.desktop-header .difficulty-time strong{font-size:1.05rem}.play-surface{display:grid;min-height:0px;flex:1 1 0%;align-items:center;justify-content:center;grid-template-columns:minmax(24rem,42rem) minmax(22rem,30rem);gap:clamp(3rem,5vw,5rem);padding-bottom:clamp(2rem,8vh,5rem)}.board-stage{margin-top:0}.board-measure{max-width:min(42rem,calc(100dvh - 11rem),42vw)}.game-controls{margin-top:0;gap:2.25rem;width:min(30rem,100%)}.action-grid{gap:2rem}.action-button__icon{height:4rem;width:4rem;border-radius:1rem}.action-button__label{font-size:.78rem}.digit-grid{grid-template-columns:repeat(3,minmax(0,1fr));-moz-column-gap:1rem;column-gap:1rem;row-gap:1.25rem;border-radius:2rem;padding:1.5rem;background:rgb(var(--surface-low))}.digit-button{min-height:6.3rem;justify-content:center;gap:.25rem;border-radius:1rem;background:rgb(var(--surface-lowest));box-shadow:0 14px 24px -20px rgba(var(--ink),.34)}.digit-button__tile{aspect-ratio:auto;height:auto;width:auto;border-radius:0;background:transparent;box-shadow:none}.digit-button[data-active=true]{background:linear-gradient(135deg,rgb(var(--primary)),rgb(var(--primary-container)));color:rgb(var(--surface-lowest));box-shadow:0 16px 26px -16px rgba(var(--primary),.82)}.digit-button[data-active=true] .digit-button__tile{background:transparent;box-shadow:none}.digit-button[data-complete=true]{background:rgba(var(--surface-container),.78)}.digit-button__digit{font-size:2.15rem}.digit-button__meta{margin-top:0;font-size:.78rem;pointer-events:none}.digit-button[data-active=true] .digit-button__meta{color:rgb(var(--surface-lowest))}.digit-button[data-complete=true] .digit-button__meta{color:rgba(var(--muted),.62);text-transform:uppercase}.new-game-button{display:block}.sudoku-board{border-radius:0;padding:0;background:transparent;box-shadow:0 14px 30px -26px rgba(var(--ink),.28)}.sudoku-grid-shell{border-radius:0}.sudoku-block{gap:2px}}@media (min-width: 900px) and (min-height: 900px){.board-stage{transform:translateY(4rem)}}@keyframes panel-rise{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media (max-height: 760px){.board-stage{margin-top:clamp(2.4rem,8dvh,4rem)}.game-controls{margin-top:1rem;gap:1rem}.action-button__icon{height:2.75rem;width:2.75rem}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:1ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:1ms!important}}