@import "https://use.typekit.net/dqo4qeb.css";html,body{overscroll-behavior:none}body{color:#000;background-color:#123456;justify-content:center;align-items:center;min-height:100svh;margin:0;font-family:acumin-pro,sans-serif;display:flex}#panelStage{perspective:1000px;flex-direction:column;align-items:center;width:100%;display:flex;position:relative}body:before{content:"";opacity:0;z-index:-1;background:url(../numbers.png) 50%/cover no-repeat;transition:opacity 1s;position:fixed;inset:0}body.bg-loaded:before{opacity:.2}#gameBox,#helpBox{border:1px solid gray;border-radius:20px;padding:20px;display:block}#gameBox{background-color:#fff8dc}#helpBox{background-color:#efe;max-width:340px;font-size:1.1em;display:none}h1{text-align:center;color:#c03;margin-top:0;font-family:Century-Gothic,sans-serif;font-size:2.2em}#block-grid{grid-gap:11px;touch-action:none;grid-template-rows:repeat(4,50px);grid-template-columns:repeat(4,50px);justify-self:center;place-items:center;width:fit-content;display:grid}#block-grid>div{color:#e0ffff;-webkit-tap-highlight-color:transparent;touch-action:none;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;background:linear-gradient(135deg,#4a90e2 0%,#3498db 50%,#2980b9 100%);border-radius:15px;justify-content:center;align-items:center;width:52px;height:52px;font-size:1.5em;font-weight:700;transition:filter .15s,box-shadow .15s;display:flex;box-shadow:0 2px 4px #0003}#block-grid div.empty{box-shadow:none;cursor:default;background:0 0;border:none}#block-grid.celebrating>div{transition:none}@media (hover:hover) and (pointer:fine){#block-grid>div:not(.empty):hover{filter:brightness(1.12);cursor:pointer;box-shadow:0 4px 10px #0000004d}}#block-grid>div:not(.empty):active{filter:brightness(.92)}#gameMessage{text-align:center;color:#333;visibility:hidden;margin-top:35px;font-size:1.2em;font-weight:700}.game-controls{flex-direction:row;justify-content:center;gap:10px;margin-top:20px;display:flex}.game-controls button{color:#fff;cursor:pointer;opacity:0;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);border:none;border-radius:20px;padding:10px 16px;font-size:.8em;font-weight:700;transition:all .3s;position:relative;overflow:hidden;box-shadow:0 4px 15px #667eea66}.game-controls button:hover{background:linear-gradient(135deg,#764ba2 0%,#667eea 100%);transform:translateY(-2px);box-shadow:0 8px 25px #667eea99}.game-controls button:active{transform:scale(1.1);box-shadow:0 2px 10px #667eea66}.game-controls button:disabled{cursor:not-allowed;background:linear-gradient(135deg,#ccc 0%,#999 100%);transform:none;box-shadow:0 2px 8px #0003}#copyright{text-align:center;color:#333;margin-top:20px;font-size:.8em}#extras{margin-top:20px;font-size:.8em}#extras ul{margin:0;padding:10px 0 0 20px}#extras a{color:#00008b;text-decoration:none}#extras a:hover{color:#c03;text-decoration:underline}