*{box-sizing:border-box;margin:0;padding:0}body{color:#535353;background:#f7f7f7;justify-content:center;align-items:center;min-height:100vh;padding:2rem 1rem;font-family:Courier New,Courier,monospace;display:flex}.container{text-align:center;width:min(100%,600px)}h1{color:#535353;margin-bottom:.5rem;font-size:2rem}.subtitle{color:#757575;margin-bottom:1.5rem;font-size:.9rem}.game-wrapper{background:#fff;border:2px solid #535353;border-radius:4px;width:100%;display:inline-block;position:relative;overflow:hidden}canvas{touch-action:manipulation;width:100%;height:auto;display:block}.game-over-overlay,.start-overlay{z-index:10;background:#ffffffe6;flex-direction:column;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.game-over-text{color:#535353;margin-bottom:.5rem;font-size:1.8rem;font-weight:700}.final-score{color:#757575;margin-bottom:1rem;font-size:1.2rem}.restart-btn,.submit-btn,.leaderboard-toggle{color:#fff;cursor:pointer;background:#535353;border:none;border-radius:4px;padding:10px 30px;font-family:Courier New,Courier,monospace;font-size:1rem;transition:background .2s}.restart-btn:hover,.submit-btn:hover,.leaderboard-toggle:hover{background:#333}.submit-btn:disabled{cursor:not-allowed;opacity:.5}.name-input:focus-visible,.restart-btn:focus-visible,.submit-btn:focus-visible,.leaderboard-toggle:focus-visible{outline-offset:2px;outline:3px solid #9a9a9a}.score-input-group{flex-wrap:wrap;justify-content:center;gap:.5rem;width:min(90%,420px);margin-bottom:.75rem;display:flex}.name-input{min-width:0;font:inherit;color:#535353;background:#fff;border:1px solid #757575;border-radius:4px;flex:160px;padding:9px 10px}.submitted-text{color:#2f6f3e;width:100%;font-weight:700}.submission-error{color:#a12622;width:100%;font-size:.8rem}.score-bar{color:#757575;justify-content:space-between;width:600px;max-width:100%;margin-top:.75rem;font-size:.85rem;display:flex}.controls-info{color:#999;margin-top:1rem;font-size:.8rem}.start-overlay{cursor:pointer}.start-text{color:#535353;font-size:1.2rem;animation:1.2s ease-in-out infinite blink}.leaderboard-section{margin-top:1.5rem}.leaderboard-toggle{min-width:180px}.leaderboard-panel{background:#fff;border:1px solid #c7c7c7;border-radius:4px;margin-top:1rem;padding:1rem}.leaderboard-panel h2{margin-bottom:.75rem;font-size:1.2rem}.leaderboard-table-wrap{overflow-x:auto}.leaderboard-table{border-collapse:collapse;text-align:left;width:100%;min-width:520px}.leaderboard-table th,.leaderboard-table td{border-bottom:1px solid #e3e3e3;padding:.55rem .65rem}.leaderboard-table th:first-child,.leaderboard-table td:first-child{text-align:center;width:3rem}.leaderboard-table th:nth-child(3),.leaderboard-table td:nth-child(3){text-align:right}.leaderboard-table th:last-child,.leaderboard-table td:last-child{white-space:nowrap;text-align:right}.leaderboard-table tbody tr:last-child td{border-bottom:0}.rank-1{background:#f2f2f2;font-weight:700}.rank-2,.rank-3{font-weight:700}.loading-text,.no-scores{color:#757575;font-size:.9rem}@keyframes blink{0%,to{opacity:1}50%{opacity:.3}}@media (max-width:640px){body{align-items:flex-start;padding:1rem .75rem}h1{font-size:1.6rem}.game-over-text{font-size:1.25rem}.final-score{margin-bottom:.5rem}.restart-btn,.submit-btn,.leaderboard-toggle{padding:8px 16px}}