@font-face{font-family:Game;src:local('Avenir Next'),local('Avenir'),local('Arial');font-display:swap}*{box-sizing:border-box}html{color-scheme:dark;background:#090c19}body{margin:0;min-height:100svh;color:#eeeff8;font-family:Game,system-ui,sans-serif;background:radial-gradient(ellipse at 50% 50%,#15152e55,transparent 65%);overflow-x:hidden}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer;border:1px solid #ffffff14;border-radius:12px;background:#c5b2ff;color:#171029;padding:12px 20px;font-weight:600;transition:background .2s,transform .2s}button:hover{filter:brightness(1.15)}button:active{transform:scale(.97)}button:focus-visible,a:focus-visible,#board:focus-visible{outline:2px solid #c1adff;outline-offset:5px}.mast{position:absolute;top:0;left:0;width:100%;display:flex;align-items:center;justify-content:space-between;padding:30px 42px}.brand{font-size:10px;letter-spacing:3px;color:#a2a5bf;font-weight:600}.brand-star{color:#bea9f4;font-size:20px;vertical-align:middle;margin-right:10px}.icon-button{background:#ffffff04;color:#989bb4;width:40px;height:40px;padding:0;font-size:24px;border-radius:50%}main{position:relative;width:min(100% - 40px,452px);margin:auto;padding:66px 0 24px}.intro{text-align:center}.eyebrow{font-size:9px;letter-spacing:2.7px;color:#888aa5;margin:14px 0 12px}h1{position:relative;font-size:84px;font-weight:750;line-height:1.05;letter-spacing:-5px;margin:0;display:inline-block;color:#f1ecff;text-shadow:0 0 60px #8f6cec30}.title-star{position:absolute;font-size:22px;right:-30px;top:6px;color:#c5a4ff;font-weight:400}.subtitle{font-size:13px;color:#9294b0;margin:12px 0 27px}.stats{display:grid;grid-template-columns:1fr 1fr 1.3fr;gap:9px;margin-bottom:17px}.stat{position:relative;text-align:center;padding:14px 4px 12px;background:linear-gradient(150deg,#ffffff07,#ffffff02);border:1px solid #ffffff0b;border-radius:13px}.stat>span:first-child{display:block;font-size:8px;letter-spacing:1.7px;color:#9294ad;margin-bottom:6px}.stat strong{font-size:25px;font-weight:650;line-height:1.2;font-variant-numeric:tabular-nums}.best-tile strong{color:#cbb3ff}.best-tile{border-color:#b398ff24;background:#b398ff08}#gain{position:absolute;color:#d5c1ff;right:12px;top:20px;font-size:13px;pointer-events:none}#gain.pop{animation:gain .8s both}.board-shell{position:relative;padding:13px;border-radius:22px;background:linear-gradient(135deg,#ffffff0a,#ffffff03);border:1px solid #b9a5ff21;box-shadow:0 24px 90px #0005,0 0 80px #8660b90a}#board{width:100%;aspect-ratio:1;position:relative;touch-action:none;user-select:none;border-radius:12px;--gap:10px;--cell:calc((100% - 30px)/4)}.cells{position:absolute;inset:0;display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap)}.cell{border-radius:12px;background:#191d30;border:1px solid #ffffff03}.tile{position:absolute;width:var(--cell);height:var(--cell);left:calc(var(--x)*(var(--cell) + var(--gap)));top:calc(var(--y)*(var(--cell) + var(--gap)));transition:left 110ms ease,top 110ms ease;z-index:2}.tile-inner{height:100%;display:flex;align-items:center;justify-content:center;border-radius:12px;font-size:38px;font-weight:750;letter-spacing:-1.5px;color:#fff;box-shadow:inset 0 1px 0 #ffffff3a,0 4px 14px #0002;background:linear-gradient(145deg,var(--c1),var(--c2));text-shadow:0 2px 4px #0001}.tile-new .tile-inner{animation:appear .16s ease-out}.tile-merged .tile-inner{animation:merge .22s ease-out}.v2{--c1:#8d8bf5;--c2:#6863d3}.v4{--c1:#b48af1;--c2:#905bd3}.v8{--c1:#ed85bc;--c2:#ce5599}.v16{--c1:#f48b9d;--c2:#e45d78}.v32{--c1:#ffab85;--c2:#ee7b60}.v64{--c1:#ffc774;--c2:#e99d45}.v128{--c1:#efce65;--c2:#c6aa32}.v256{--c1:#90d9af;--c2:#4caf88}.v512{--c1:#79d7dc;--c2:#389eaf}.v1024{--c1:#71aff4;--c2:#4778d6}.v2048{--c1:#d0a0ff;--c2:#9b67e5}.vbig{--c1:#ee9bd5;--c2:#a06add}.digits3 .tile-inner{font-size:32px}.digits4 .tile-inner{font-size:26px}.digits5 .tile-inner{font-size:21px}.toolbar{display:flex;gap:7px;align-items:center;margin-top:18px;font-size:10px;color:#8d91aa}.live-dot{width:5px;height:5px;border-radius:50%;background:#8f80c3}.secondary{background:#ffffff05;color:#c6c5d8;border:1px solid #ffffff12;font-weight:500}.toolbar button{margin-left:auto;padding:9px 13px;font-size:11px;border-radius:9px}.toolbar button span{font-size:16px;margin-right:5px}.instructions{display:flex;justify-content:center;gap:14px;align-items:center;font-size:10px;line-height:1.8;color:#777b96;margin:26px 0}.keys{font-size:17px;letter-spacing:3px;color:#a3a5bf;white-space:nowrap}footer{display:flex;justify-content:space-between;align-items:center;border-top:1px solid #ffffff08;padding-top:17px;color:#565b78;font-size:8px;letter-spacing:1.7px}footer button{border:0;background:none;font-size:10px;color:#777b96;padding:0;font-weight:400;letter-spacing:0}#stars,.nebula{position:fixed;inset:0;pointer-events:none;overflow:hidden}.star{position:absolute;width:2px;height:2px;background:#c8d5ff;border-radius:50%;animation:twinkle var(--duration) ease-in-out infinite;animation-delay:var(--delay)}.star.large{width:3px;height:3px;box-shadow:0 0 7px #c4b8ff99}.nebula{background:radial-gradient(ellipse at 15% 65%,#4a31651b,transparent 35%),radial-gradient(ellipse at 87% 25%,#243d661c,transparent 30%)}#overlay{position:absolute;inset:0;z-index:5;background:#111429df;backdrop-filter:blur(10px);border-radius:21px;text-align:center;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:25px}#overlay[hidden]{display:none}#end-kicker{font-size:9px;letter-spacing:2px;color:#c8aafa}h2{font-size:28px;letter-spacing:-1px;margin:10px 0}#end-copy{font-size:14px;color:#a5a8c2;margin-bottom:24px}#overlay button{margin:5px}dialog{max-width:440px;width:calc(100% - 36px);border:1px solid #b298e63a;border-radius:22px;background:#15182b;color:#eee;padding:28px;box-shadow:0 30px 100px #0009}dialog::backdrop{background:#060918bd;backdrop-filter:blur(6px)}dialog p{font-size:14px;line-height:1.7;color:#aaadc5}dialog a{color:#c5b2ff}.close{float:right;background:none;border:0;color:#b5b3c9;font-size:24px;padding:0}.dialog-actions{display:flex;gap:10px;margin-top:25px}.dialog-actions button{font-size:12px;padding:12px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}@keyframes twinkle{0%,100%{opacity:.15}50%{opacity:.85}}@keyframes appear{from{transform:scale(.5);opacity:0}to{transform:scale(1);opacity:1}}@keyframes merge{0%,100%{transform:scale(1)}45%{transform:scale(1.12)}}@keyframes gain{0%{opacity:1;transform:translateY(0)}100%{opacity:0;transform:translateY(-32px)}}@media(min-width:900px) and (min-height:850px){main{padding-top:105px;width:480px}.subtitle{margin-bottom:32px}.instructions{margin:32px 0}}@media(max-width:600px){.mast{padding:20px 22px}.brand{font-size:8px;letter-spacing:2px}.icon-button{width:32px;height:32px;font-size:20px}main{padding-top:68px;width:min(100% - 32px,430px)}h1{font-size:68px}.eyebrow{font-size:8px;letter-spacing:2px}.subtitle{font-size:12px;margin-bottom:22px}.board-shell{padding:10px;border-radius:18px}#board{--gap:8px;--cell:calc((100% - 24px)/4)}.tile-inner{font-size:32px;border-radius:10px}.cell{border-radius:10px}.digits3 .tile-inner{font-size:27px}.digits4 .tile-inner{font-size:22px}.digits5 .tile-inner{font-size:17px}.stat{padding:11px 4px}.stat strong{font-size:23px}.stat>span:first-child{font-size:7px;letter-spacing:1.2px}.instructions{margin:24px 0;font-size:9px}.toolbar{font-size:9px}}@media(max-height:700px){main{padding-top:52px}.eyebrow{margin:8px 0}h1{font-size:56px}.subtitle{margin:8px 0 16px}.stats{margin-bottom:12px}.instructions{margin:17px 0}.mast{padding-top:14px}}@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}.star{opacity:.45}}
@media(min-width:700px){main{width:min(452px,calc(100svh - 340px));min-width:320px;padding-top:38px}.intro h1{font-size:70px}.eyebrow{margin:8px 0 10px}.subtitle{margin:10px 0 20px}.instructions{margin:20px 0}.mast{padding:26px 34px}}
/* Keep the entire touch game inside the visible viewport, including browser chrome. */
@media (max-width:600px), (max-height:600px) and (pointer:coarse) {
  html,body{height:100%;overflow:hidden;overscroll-behavior:none}
  .mast,.intro,.instructions,main>footer{display:none}
  main{position:fixed;inset:0;width:100%;min-width:0;margin:0;padding:max(12px,env(safe-area-inset-top)) max(16px,env(safe-area-inset-right)) max(12px,env(safe-area-inset-bottom)) max(16px,env(safe-area-inset-left));display:grid;place-items:center}
  .game{width:min(430px,100%,calc(100svh - 160px - env(safe-area-inset-top) - env(safe-area-inset-bottom)));width:min(430px,100%,calc(100dvh - 160px - env(safe-area-inset-top) - env(safe-area-inset-bottom)));container-type:inline-size}
  .stats{gap:8px;margin-bottom:12px}
  .stat{padding:10px 3px;border-radius:11px}
  .stat>span:first-child{font-size:clamp(6px,1.8cqw,8px);letter-spacing:1px;margin-bottom:5px}
  .stat strong{font-size:22px}
  .board-shell{padding:9px;border-radius:18px}
  #board{--gap:8px;--cell:calc((100% - 24px)/4)}
  .tile-inner{font-size:clamp(18px,8cqw,34px);border-radius:10px}
  .digits3 .tile-inner{font-size:clamp(15px,7cqw,29px)}
  .digits4 .tile-inner{font-size:clamp(12px,5.8cqw,24px)}
  .digits5 .tile-inner{font-size:clamp(10px,4.7cqw,20px)}
  .toolbar{margin-top:14px;justify-content:center}
  .toolbar>span{display:none}
  .toolbar button{margin:0;min-height:40px;padding:9px 18px;font-size:12px}
  dialog{max-height:calc(100dvh - 32px);overflow:auto;overscroll-behavior:contain}
}