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768px){.auth-buttons,.user-menu{display:none}.menu-toggle{display:flex}.auth-modal{padding:24px;border-radius:12px}.auth-modal-title{font-size:20px}}@media (min-width: 769px){.menu-toggle{display:none}.auth-buttons{display:flex;gap:8px}}.leaderboard-modal{max-width:600px;width:95%;max-height:85vh;display:flex;flex-direction:column}.leaderboard-filters{display:flex;gap:8px;margin-bottom:16px;flex-wrap:wrap;justify-content:center}.filter-btn{padding:8px 16px;border:2px solid #4a5568;border-radius:8px;background:#2d3748;color:#e2e8f0;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s ease}.filter-btn:hover{background:#3d4a5c;border-color:#718096}.filter-btn.active{background:linear-gradient(135deg,#f6ad55,#ed8936);border-color:#ed8936;color:#1a202c}.leaderboard-user-rank{text-align:center;padding:12px;background:linear-gradient(135deg,#f6ad5533,#ed893633);border-radius:8px;margin-bottom:16px;font-size:16px;color:#f6ad55}.leaderboard-user-rank strong{font-size:20px;color:#ed8936}.leaderboard-content{flex:1;overflow-y:auto;min-height:200px}.leaderboard-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px;color:#a0aec0}.leaderboard-loading .loading-spinner{width:40px;height:40px;border:4px solid #4a5568;border-top-color:#ed8936;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.leaderboard-empty{text-align:center;padding:40px;color:#a0aec0;font-size:16px}.leaderboard-table{width:100%;border-collapse:collapse;font-size:14px}.leaderboard-table thead{position:sticky;top:0;background:#1a202c;z-index:1}.leaderboard-table th{padding:12px 8px;text-align:left;color:#a0aec0;font-weight:600;text-transform:uppercase;font-size:12px;letter-spacing:.05em;border-bottom:2px solid #4a5568}.leaderboard-table td{padding:12px 8px;border-bottom:1px solid #2d3748}.leaderboard-table tbody tr{transition:background .2s ease}.leaderboard-table tbody tr:hover{background:#ed89361a}.leaderboard-table tbody tr.current-user{background:#f6ad5533}.leaderboard-table tbody tr.current-user:hover{background:#f6ad554d}.rank-cell{font-weight:700;font-size:16px;width:60px}.leaderboard-table tr.rank-1 .rank-cell,.leaderboard-table tr.rank-2 .rank-cell,.leaderboard-table tr.rank-3 .rank-cell{font-size:20px}.player-cell{max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.score-cell{font-weight:700;color:#f6ad55;font-family:"Press Start 2P",monospace;font-size:12px}.stage-cell{color:#68d391;font-weight:600}.leaderboard-pagination{display:flex;justify-content:center;align-items:center;gap:16px;margin-top:16px;padding-top:16px;border-top:1px solid #2d3748}.pagination-btn{padding:8px 16px;border:2px solid #4a5568;border-radius:6px;background:#2d3748;color:#e2e8f0;font-size:14px;cursor:pointer;transition:all .2s ease}.pagination-btn:hover:not(:disabled){background:#3d4a5c;border-color:#718096}.pagination-btn:disabled{opacity:.5;cursor:not-allowed}.pagination-info{color:#a0aec0;font-size:14px}@media (max-width: 480px){.leaderboard-modal{padding:16px}.filter-btn{padding:6px 12px;font-size:12px}.leaderboard-table th,.leaderboard-table td{padding:8px 4px;font-size:12px}.score-cell{font-size:10px}.rank-cell{width:40px;font-size:14px}.leaderboard-table tr.rank-1 .rank-cell,.leaderboard-table tr.rank-2 .rank-cell,.leaderboard-table tr.rank-3 .rank-cell{font-size:16px}}