*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{width:100%;height:100%;overflow:hidden;background:#2b3f53}#game-canvas{display:block;width:100%;height:100%;image-rendering:pixelated}#settings-overlay{position:fixed;left:50%;top:20px;transform:translate(-50%);z-index:2000;pointer-events:auto;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial}#settings-overlay .settings-panel{background:#04080ceb;color:#eaf6ff;padding:12px 14px;border-radius:8px;border:1px solid rgba(140,255,159,.12);box-shadow:0 6px 20px #0009;min-width:220px;width:260px;max-width:86vw;box-sizing:border-box}#settings-overlay .settings-title{color:#8cff9f;font-weight:700;margin-bottom:8px}#settings-overlay .settings-label{display:block;font-size:13px;margin-bottom:6px;color:#dbeff8}#settings-overlay input[type=range]{width:100%}#settings-overlay .settings-note{font-size:12px;margin-top:8px;color:#fff9}