html,body{margin:0;padding:0;background:#000}body{background:url(../bg.png) no-repeat center center;background-size:cover}#hud{position:absolute;top:20px;left:20px;z-index:1000;color:#fff;font-weight:700;background:rgba(0,0,0,.6);padding:12px;border-radius:10px}#menuBox{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:transparent;box-shadow:none;padding:0;display:flex;flex-direction:column;gap:12px}#skinOverlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.8);display:flex;justify-content:center;align-items:center;z-index:2000}#skinBox{width:320px;max-height:80vh;background:#111;border-radius:12px;display:flex;flex-direction:column;padding:15px}#skinHeader{text-align:center;color:#fff;margin-bottom:10px;font-size:22px;font-weight:700}#skinList{display:grid;grid-template-columns:1fr 1fr;gap:15px;overflow-y:auto;padding:10px}.skinName{color:#fff;font-weight:700;margin-top:6px;font-size:14px}.skinCard{text-align:center}.skinCard img{width:80px;image-rendering:pixelated}.skinCard button{margin-top:8px;width:100%;padding:8px;border-radius:8px;border:none;font-weight:700;cursor:pointer}.selectBtn{background:#00c853;color:#fff}.selectedBtn{background:#888;color:#fff}#skinFooter{margin-top:10px;text-align:center}#closeSkinBtn{width:100%;padding:10px;font-size:16px}#leaderboardBox{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:rgba(0,0,0,.85);backdrop-filter:blur(8px);padding:25px;border-radius:16px;width:420px;max-width:90vw;color:#fff;text-align:center;z-index:3000;border:1px solid rgba(255,215,0,.4);box-shadow:0 0 25px rgba(0,0,0,.6)}#treasuryBox{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:#111;padding:20px;border-radius:12px;width:340px;z-index:2000;color:#fff;max-width:90vw}#donateSection{margin-top:15px;display:flex;gap:10px;justify-content:center}#donateAmount{padding:6px;background:#fff;color:#000;border-radius:6px}#donateBtn{background:gold;color:#000}#howToBox{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:#111;padding:20px;border-radius:12px;width:340px;max-width:90vw;color:#fff;z-index:3000;text-align:left}#howToBox h3{text-align:center}canvas{display:block;width:100%;height:auto}#gameCanvas{width:100%;max-width:420px;height:auto;margin:auto;display:block}button{background-color:#fff;color:#000;border:none;padding:10px 18px;font-size:14px;border-radius:8px;cursor:pointer;margin:5px}button:hover{background-color:#e6e6e6}#restartText{animation:blink 1s infinite}#gameOverActions{position:absolute;top:60%;left:50%;transform:translate(-50%);display:none;gap:15px}@media(max-width:768px){#menuBox{width:85%}#hud{top:10px;left:10px;padding:8px 10px;border-radius:8px;font-size:12px;line-height:1.3;max-width:160px}#hud button{margin-top:6px;padding:4px 8px;font-size:11px;border-radius:6px}button{padding:10px 14px;font-size:16px}#walletStatus{font-size:14px}}@keyframes blink{0%{opacity:1}50%{opacity:.2}to{opacity:1}}