*{box-sizing:border-box;margin:0;padding:0}:root{color-scheme:dark}body,html{min-height:100%}body{font-family:Arial,sans-serif;color:#ffffff;background:radial-gradient(circle at top,rgba(78,205,196,.15),transparent 30%),radial-gradient(circle at bottom right,rgba(255,123,105,.12),transparent 24%),#0f1115}main#game-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}#game-container{position:relative;text-align:center;max-width:min(100%,760px);border:1px solid rgba(255,255,255,.08);border-radius:20px;padding:20px;background:rgba(12,14,18,.72);box-shadow:0 20px 80px rgba(0,0,0,.35);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}#game-info{margin-bottom:18px}#stats{display:flex;justify-content:space-around;gap:10px;flex-wrap:wrap;margin-bottom:14px}#stats>div{padding:8px 15px;border-radius:20px;font-weight:700;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.08)}#game-canvas{margin:18px 0;border-radius:14px;overflow:hidden;background:#1c1c1c}#instructions{margin-top:15px;padding:15px;border-radius:12px;border:1px solid rgba(255,255,255,.08);background:rgba(255,255,255,.04)}#instructions p{margin:5px 0;font-size:.92rem}.countdown-pill{top:0;left:0;z-index:10;min-width:40px;padding:4px 10px;border-radius:12px;font-size:1.1rem;font-weight:700;color:#000;background:rgba(255,255,255,.85);box-shadow:0 2px 8px rgba(0,0,0,.08);pointer-events:none;text-align:center;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);position:absolute}@media (max-width:768px){main#game-shell{padding:14px}#game-container{padding:15px;margin:0}#stats{flex-direction:column;align-items:stretch}#stats>div{width:100%;text-align:center}}