.leaderboard-container{max-width:1000px;margin:2rem auto;padding:1rem}.leaderboard-header{text-align:center;margin-bottom:2rem}.leaderboard-header h1{font-size:2.5rem;font-weight:700;margin-bottom:1rem;background:linear-gradient(135deg,#008cff,#00b894);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.leaderboard-filters{display:flex;justify-content:center;gap:2rem;margin-top:1rem}.filter-group{display:flex;align-items:center;gap:.5rem}.filter-group label{font-weight:500;color:#666}.filter-select{padding:.75rem 1.25rem;border-radius:12px;border:1px solid #ddd;background:#fff;font-size:1rem;color:#333;cursor:pointer;transition:all .3s ease}.filter-select:hover{border-color:#008cff;box-shadow:0 2px 8px #008cff1a}.filter-select:focus{outline:none;border-color:#008cff;box-shadow:0 2px 12px #008cff33}.user-stats-card{background:#fff;border-radius:20px;padding:2rem;margin-bottom:2rem;box-shadow:0 4px 20px #00000014;transition:transform .3s ease}.user-stats-card:hover{transform:translateY(-2px)}.user-info{display:flex;align-items:center;gap:1.5rem;margin-bottom:2rem}.user-avatar{width:80px;height:80px;border-radius:50%;object-fit:cover;border:3px solid #f0f0f0;transition:all .3s ease}.user-stats-card:hover .user-avatar{border-color:#008cff;transform:scale(1.05)}.user-details h3{margin:0;font-size:1.5rem;font-weight:600;color:#333}.user-rank{display:flex;gap:1rem;margin-top:.75rem}.rank{background:#f8f9fa;padding:.5rem 1rem;border-radius:30px;font-size:1rem;font-weight:600;color:#333;display:flex;align-items:center;gap:.5rem}.rank i{color:gold}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem}.stat-item{text-align:center;padding:1.5rem;background:#f8f9fa;border-radius:16px;transition:all .3s ease}.stat-item:hover{background:#f0f7ff;transform:translateY(-2px)}.stat-label{display:block;color:#666;font-size:.9rem;margin-bottom:.75rem}.stat-value{font-size:1.75rem;font-weight:700;color:#333;background:linear-gradient(135deg,#008cff,#00b894);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.leaderboard-list{display:flex;flex-direction:column;gap:1rem}.leaderboard-item{display:flex;align-items:center;padding:1.5rem;background:#fff;border-radius:16px;box-shadow:0 2px 8px #0000000d;transition:all .3s ease}.leaderboard-item:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0000001a}.leaderboard-item.top-three{background:linear-gradient(135deg,#cbe00b,#d4ea0c);color:#fff}.leaderboard-item.rank-1{background:linear-gradient(135deg,#ff5000,#f1ff16);box-shadow:0 4px 15px #ffa5024d}.leaderboard-item.rank-2{background:linear-gradient(135deg,silver,#a8a8a8);box-shadow:0 4px 15px #a8a8a84d}.leaderboard-item.rank-3{background:linear-gradient(135deg,#cd7f32,#b87333);box-shadow:0 4px 15px #b873334d}.rank{width:40px;height:40px;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.2rem;color:#333;background:#ffffffe6;border-radius:50%;margin-right:1rem}.leaderboard-item.top-three .rank{background:#fff3;color:#fff}.user-avatar{width:60px;height:60px;border-radius:50%;object-fit:cover;border:3px solid rgba(255,255,255,.3);margin-right:1rem}.user-info{flex:1}.user-info h4{font-size:1.1rem;font-weight:600;margin:0 0 .5rem;color:inherit}.user-stats{display:flex;gap:1.5rem}.stat{display:flex;align-items:center;gap:.5rem;font-size:.9rem;color:inherit;opacity:.9}.stat i{font-size:1rem}.score-section{text-align:right;margin-left:auto}.total-score{font-size:1.5rem;font-weight:700;margin-bottom:.5rem;color:inherit}.tier{padding:.5rem 1rem;border-radius:30px;font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px;display:inline-block}.tier-bronze{background:#cd7f32;color:#fff}.tier-silver{background:silver;color:#fff}.tier-gold{background:gold;color:#fff}.tier-platinum{background:#e5e4e2;color:#000}.tier-diamond{background:#b9f2ff;color:#000}.pagination{margin-top:3rem;display:flex;justify-content:center}.pagination .page-link{padding:.75rem 1.25rem;margin:0 .25rem;border-radius:12px;border:1px solid #ddd;color:#333;font-weight:500;transition:all .3s ease}.pagination .page-link:hover{background:#f0f7ff;border-color:#008cff;color:#008cff}.pagination .active .page-link{background:linear-gradient(135deg,#008cff,#00b894);border-color:transparent;color:#fff}.rankings-modal{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:#000000b3;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);z-index:1000;opacity:0;transition:opacity .3s ease}.rankings-modal.show{display:block;opacity:1}.rankings-content{background:#fff;width:90%;max-width:800px;margin:40px auto;border-radius:24px;box-shadow:0 10px 30px #0003;transform:translateY(-20px);transition:transform .3s ease}.rankings-modal.show .rankings-content{transform:translateY(0)}.rankings-header{display:flex;justify-content:space-between;align-items:center;padding:24px 32px;border-bottom:1px solid #eee;background:linear-gradient(135deg,#f8f9fa,#fff);border-radius:24px 24px 0 0}.rankings-header h3{font-size:28px;font-weight:700;margin:0;color:#333;background:linear-gradient(135deg,#008cff,#00b894);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.close-button{background:none;border:none;font-size:24px;cursor:pointer;padding:12px;border-radius:50%;color:#666;transition:all .3s ease;display:flex;align-items:center;justify-content:center}.close-button:hover{background:#f8f9fa;color:#333;transform:rotate(90deg)}.rankings-preview{padding:24px 32px}.preview-header{text-align:center;margin-bottom:24px}.preview-header h4{font-size:20px;font-weight:600;color:#333;margin:0 0 8px}.preview-period{font-size:14px;color:#666;background:#f8f9fa;padding:4px 12px;border-radius:20px;display:inline-block}.preview-list{display:flex;flex-direction:column;gap:16px}.preview-item{display:flex;align-items:center;padding:16px 24px;background:#fff;border-radius:16px;box-shadow:0 2px 8px #0000000d;transition:all .3s ease;position:relative;overflow:hidden}.preview-item:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0000001a}.preview-item.top-three{background:linear-gradient(135deg,#f6d365,#fda085);color:#fff}.preview-item.rank-1{background:linear-gradient(135deg,#ff5000,#f1ff16);box-shadow:0 4px 15px #ffa5024d}.preview-item.rank-2{background:linear-gradient(135deg,silver,#a8a8a8);box-shadow:0 4px 15px #a8a8a84d}.preview-item.rank-3{background:linear-gradient(135deg,#cd7f32,#b87333);box-shadow:0 4px 15px #b873334d}.preview-item .rank{width:40px;height:40px;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:18px;color:#333;background:#ffffffe6;border-radius:50%;margin-right:16px}.preview-item.top-three .rank{background:#fff3;color:#fff}.preview-avatar{width:48px;height:48px;border-radius:50%;object-fit:cover;border:3px solid rgba(255,255,255,.3);margin-right:16px}.preview-info{flex:1}.preview-info h5{font-size:16px;font-weight:600;margin:0 0 4px;color:inherit}.preview-stats{display:flex;align-items:center;gap:12px}.points{font-size:14px;font-weight:500;color:inherit;opacity:.9}.preview-footer{margin-top:24px;text-align:center}.view-full-btn{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;background:linear-gradient(135deg,#008cff,#00b894);color:#fff;border-radius:30px;font-weight:600;text-decoration:none;transition:all .3s ease}.view-full-btn:hover{transform:translateY(-2px);box-shadow:0 4px 12px #008cff4d}.view-full-btn i{transition:transform .3s ease}.view-full-btn:hover i{transform:translate(4px)}@media (max-width: 768px){.leaderboard-container{padding:1rem}.leaderboard-header h1{font-size:2rem}.leaderboard-filters{flex-direction:column;gap:1rem}.filter-group,.filter-select{width:100%}.user-stats-card{padding:1.5rem}.stats-grid{grid-template-columns:repeat(2,1fr)}.leaderboard-item{flex-direction:column;text-align:center;padding:1.5rem 1rem}.rank,.user-avatar{margin:0 0 1rem}.user-stats{flex-direction:column;gap:.5rem;margin-top:1rem}.score-section{margin:1rem 0 0;text-align:center}.rankings-content{width:95%;margin:20px auto}.rankings-header{padding:16px 24px}.rankings-header h3{font-size:24px}.preview-item{padding:12px 16px}.preview-avatar{width:40px;height:40px}.preview-info h5{font-size:14px}.preview-stats{flex-direction:column;align-items:flex-start;gap:4px}}@keyframes tierUpgradeModalIn{0%{opacity:0;transform:scale(.8)}to{opacity:1;transform:scale(1)}}@keyframes tierUpgradeIconBounce{0%,to{transform:translateY(0) scale(1)}50%{transform:translateY(-20px) scale(1.1)}}.tier-upgrade-modal{position:fixed;top:0;left:0;width:100%;height:100%;background:#000c;display:flex;justify-content:center;align-items:center;z-index:9999;opacity:0;visibility:hidden;transition:all .3s ease;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.tier-upgrade-modal.show{opacity:1;visibility:visible}.tier-upgrade-content{background:#fff;padding:2rem;border-radius:1rem;text-align:center;transform:scale(.8);transition:transform .3s ease;box-shadow:0 10px 30px #0003;max-width:400px;width:90%}.tier-upgrade-modal.show .tier-upgrade-content{transform:scale(1);animation:tierUpgradeModalIn .5s ease-out}.tier-upgrade-icon{font-size:4rem;margin-bottom:1rem;animation:tierUpgradeIconBounce 1s infinite;display:inline-block}.tier-upgrade-content h3{font-size:1.5rem;margin-bottom:.5rem;color:#333;font-weight:600}.tier-upgrade-content p{font-size:1.1rem;color:#666;margin-bottom:.5rem}.close-tier-upgrade{background:#007bff;color:#fff;border:none;padding:.75rem 1.5rem;border-radius:.5rem;cursor:pointer;margin-top:1rem;transition:all .3s ease;font-weight:500}.close-tier-upgrade:hover{background:#0056b3;transform:translateY(-2px);box-shadow:0 4px 12px #007bff4d}