@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){:root,:host{--glow:#00d4ff}*,:before,:after,::backdrop{--tw-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial}}}@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;--default-transition-duration:.15s;--default-transition-timing-function:cubic-bezier(.4, 0, .2, 1);--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{.grid{display:grid}.hidden{display:none}.transform{transform:var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) var(--tw-skew-y,)}.transition{transition-property:color,background-color,border-color,outline-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to,opacity,box-shadow,transform,translate,scale,rotate,filter,-webkit-backdrop-filter,backdrop-filter,display,content-visibility,overlay,pointer-events;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));transition-duration:var(--tw-duration,var(--default-transition-duration))}}@property --glow{syntax:"<color>";inherits:true;initial-value:#00d4ff}:root{color-scheme:dark;--bg:#09091a;--surface:#111230;--board-bg:#ffffff0a;--board-border:#ffffff14;--cell:#ffffff0d;--ink:#c8d8ff;--ink-soft:#6475a8;--light:#e8f0ff;--glow:#00d4ff;--radius:10px;--slide:.1s;--font:ui-sans-serif, system-ui, "Inter", "Segoe UI", sans-serif}*{box-sizing:border-box}body{background:var(--bg);min-block-size:100dvh;color:var(--ink);font-family:var(--font);background-image:radial-gradient(70% 50% at 30% 20%,#0050b426,#0000 70%),radial-gradient(50% 60% at 80% 80%,#6400c81f,#0000 60%);place-items:center;margin:0;padding:1.2rem;transition:--glow .6s;display:grid}body[data-mind=focus]{--glow:#a855f7}.game{gap:.9rem;inline-size:min(92vw,94dvh - 8rem,440px);display:grid}.hud{justify-content:space-between;align-items:flex-start;gap:1rem;display:flex}.hud__brand{gap:.1rem;display:grid}.hud__title{letter-spacing:-.03em;color:var(--glow);text-shadow:0 0 24px var(--glow);margin:0;font-size:clamp(2.2rem,11vw,3.2rem);font-weight:900;line-height:1}@supports (color:color-mix(in lab,red,red)){.hud__title{text-shadow:0 0 24px color-mix(in srgb,var(--glow) 50%,transparent)}}.hud__title{transition:color .6s,text-shadow .6s}.hud__tagline{color:var(--ink-soft);letter-spacing:.06em;margin:0;font-size:.72rem}.hud__scores{gap:.45rem;display:flex}.score-box{background:var(--board-bg);border:1px solid var(--board-border);border-radius:var(--radius);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);justify-items:center;gap:.05rem;min-inline-size:4.2rem;padding:.5rem .8rem;display:grid;position:relative}.score-box__label{letter-spacing:.14em;text-transform:uppercase;color:var(--ink-soft);font-size:.58rem}.score-box__value{font-variant-numeric:tabular-nums;color:var(--light);font-size:1.1rem;font-weight:700}.score-gain{color:var(--glow);opacity:0;pointer-events:none;font-size:.88rem;font-weight:700;position:absolute;inset-block-start:.3rem;inset-inline-end:.4rem}.gain--active{animation:.55s ease-out gain-float}@keyframes gain-float{0%{opacity:1;translate:0}to{opacity:0;translate:0 -1.4rem}}.controls{justify-content:flex-end;gap:.45rem;display:flex}.btn{font:inherit;cursor:pointer;border-radius:var(--radius);border:1px solid var(--board-border);background:var(--board-bg);color:var(--ink);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);padding:.45rem .9rem;font-size:.8rem;font-weight:600;transition:background .15s,border-color .15s,opacity .15s}.btn:hover:not(:disabled){background:#ffffff17;border-color:#ffffff26}.btn:focus-visible{outline:2px solid var(--glow);outline-offset:2px}.btn:disabled{opacity:.3;cursor:not-allowed}.btn--primary{color:var(--glow);background:#00d4ff1f;border-color:#00d4ff4d}.btn--primary:hover:not(:disabled){background:#00d4ff33;border-color:#00d4ff80}.board{aspect-ratio:1;--gap:2.2cqw;--cell:calc((100cqw - 3 * var(--gap)) / 4);inline-size:100%;padding:var(--gap);background:var(--board-bg);border:1px solid var(--board-border);border-radius:calc(var(--radius) + 4px);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);touch-action:none;-webkit-user-select:none;user-select:none;position:relative;box-shadow:0 8px 32px #0006,inset 0 1px #ffffff0f;container-type:inline-size}.board__grid{gap:var(--gap);grid-template-rows:repeat(4,1fr);grid-template-columns:repeat(4,1fr);block-size:100%;inline-size:100%;display:grid}.board__cell{background:var(--cell);border-radius:var(--radius);border:1px solid #ffffff0a}.board__tiles{inset:var(--gap);position:absolute}.tile{inline-size:var(--cell);block-size:var(--cell);translate:calc(var(--c,0) * (var(--cell) + var(--gap))) calc(var(--r,0) * (var(--cell) + var(--gap)));transition:translate var(--slide) ease-in-out;position:absolute}.tile__face{border-radius:var(--radius);font-variant-numeric:tabular-nums;border:1px solid #ffffff14;place-items:center;block-size:100%;inline-size:100%;font-size:clamp(1rem,6.5cqi,1.75rem);font-weight:800;line-height:1;display:grid}.tile--spawn .tile__face{animation:.15s ease-out tile-in}.tile--merge .tile__face{animation:.15s ease-in-out tile-pop}@keyframes tile-in{0%{scale:0}to{scale:1}}@keyframes tile-pop{0%{scale:1}50%{scale:1.2}to{scale:1}}.tile--2 .tile__face{color:#89c;background:#1a2040}.tile--4 .tile__face{color:#9ad;background:#1a2850}.tile--8 .tile__face{color:#00e8ff;background:#00525c}.tile--16 .tile__face{color:#00f0ff;background:#005f6b}.tile--32 .tile__face{color:#00ffd0;background:#006b5a}.tile--64 .tile__face{color:#0fa;background:#007550}.tile--128 .tile__face{color:#5af;background:#003d80;font-size:clamp(.85rem,5.5cqi,1.5rem)}.tile--256 .tile__face{color:#7bf;background:#00288a;font-size:clamp(.85rem,5.5cqi,1.5rem)}.tile--512 .tile__face{color:#a8f;background:#2a0080;font-size:clamp(.85rem,5.5cqi,1.5rem)}.tile--1024 .tile__face{color:#c7f;background:#3d0070;font-size:clamp(.75rem,4.8cqi,1.3rem);box-shadow:0 0 12px #aa64ff66}.tile--2048 .tile__face{color:#fff;border-color:var(--glow);background:linear-gradient(135deg,#1a0060,#400080,#001860);font-size:clamp(.75rem,4.8cqi,1.3rem);box-shadow:0 0 24px #00d4ff99,0 0 48px #00d4ff33}.tile--max .tile__face{color:#fff;background:#0d0d2a;font-size:clamp(.65rem,4.2cqi,1.1rem);box-shadow:0 0 16px #ffffff26}.hint{text-align:center}.hint p{color:var(--ink-soft);letter-spacing:.04em;margin:0;font-size:.68rem}.hint kbd{background:var(--board-bg);border:1px solid var(--board-border);color:var(--glow);border-radius:4px;padding:.05rem .3rem;font-family:ui-monospace,monospace}.status{text-align:center;min-block-size:1em;color:var(--ink-soft);margin:0;font-size:.68rem}.overlay{border:1px solid var(--board-border);text-align:center;background:var(--surface);border-radius:16px;max-inline-size:min(92vw,22rem);margin:auto;padding:2rem 2.4rem}@supports (color:color-mix(in lab,red,red)){.overlay{background:color-mix(in srgb,var(--surface) 85%,transparent)}}.overlay{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);color:var(--ink);box-shadow:0 16px 48px #0009}.overlay::backdrop{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#000014b3}.overlay[open]{opacity:1;transition:opacity .22s,scale .22s;scale:1}@starting-style{.overlay[open]{opacity:0;scale:.92}}.overlay .overlay__title{color:var(--glow);text-shadow:0 0 16px var(--glow);margin:0 0 .5rem;font-size:1.35rem;font-weight:800}@supports (color:color-mix(in lab,red,red)){.overlay .overlay__title{text-shadow:0 0 16px color-mix(in srgb,var(--glow) 40%,transparent)}}.overlay .overlay__message{color:var(--ink-soft);margin:0 0 1.4rem;font-size:.85rem;line-height:1.55}.overlay .overlay__actions{justify-content:center;gap:.6rem;display:flex}.overlay [hidden]{display:none}@media(prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation:none!important}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}