*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:#147eef;color:white;font:14px Tahoma,Arial,sans-serif}body{min-height:100dvh;background:linear-gradient(#147eef,#79a4ff);display:flex;align-items:center;justify-content:center}.menu-stage{position:relative;width:min(950px,100vw);aspect-ratio:950/600}#menu-art{display:block;width:100%;height:100%;image-rendering:pixelated}.world-link{position:absolute;top:34.833333%;width:38.421053%;height:47%;border:1px solid transparent;cursor:pointer}.classic-link{left:9.473684%}.new-link{left:52.105263%}.world-link:hover,.world-link:focus-visible{outline:2px solid #d3eaff;outline-offset:2px;background:#ffffff0b}.sr-only{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}#menu-error{position:absolute;bottom:0;width:100%;text-align:center;background:#253b7c;padding:10px}.world-page{display:block;padding:12px 16px}.world-header{max-width:1200px;margin:0 auto 12px;display:flex;align-items:center;gap:12px;min-height:36px}.world-header img{width:151px;height:auto;image-rendering:pixelated}.world-header h1{font-size:16px;margin:0;flex:1}.classic-button{font: bold 14px Georgia,serif;color:white;background:#324888;border:1px solid #192b60;padding:8px 14px;cursor:pointer}.classic-button:hover,.classic-button:focus-visible{background:#6075ff;outline:1px solid white}.game-frame{position:relative;width:min(100%,calc((100dvh - 104px)*950/600));aspect-ratio:950/600;margin:auto;background:#09065e;border:1px solid #192b60}.game-frame canvas{display:block;width:100%;height:100%;image-rendering:pixelated;outline:none}.game-frame:fullscreen{width:100vw;height:100vh;border:0;display:flex;align-items:center;justify-content:center;background:black}.game-frame:fullscreen canvas{width:min(100vw,calc(100vh*950/600));height:auto;aspect-ratio:950/600}.loading{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;background:linear-gradient(#147eef,#79a4ff);padding:30px;text-align:center}.loading[hidden]{display:none}.loading img{width:min(302px,80%);image-rendering:pixelated}.loading progress{width:min(300px,80%);height:16px;accent-color:#272795}.loading a{color:white}.world-footer{text-align:center;margin:10px 0 0;font-size:12px;line-height:1.5;color:#f1f4ff}.world-footer details{display:inline-block}.world-footer summary{cursor:pointer}.world-footer p{margin:4px}.error{color:#fff0a3}@media(max-width:650px){.world-page{padding:8px}.world-header{flex-wrap:wrap;gap:8px}.world-header h1{min-width:110px;font-size:14px}.world-header img{width:120px}.classic-button{padding:7px 9px}.game-frame{width:100%}.world-footer{font-size:11px}}

.fullscreen-hint { animation: fullscreen-wiggle 1.2s ease-in-out; }
@keyframes fullscreen-wiggle {
  0%, 100% { transform: rotate(0); }
  20%, 60% { transform: rotate(-3deg); }
  40%, 80% { transform: rotate(3deg); }
}
@media (prefers-reduced-motion: reduce) {
  .fullscreen-hint { animation: none; }
}