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16px;position:sticky;top:68px}.puzzle-tabs{-webkit-overflow-scrolling:touch;scrollbar-width:none;justify-content:center;gap:6px;padding-bottom:4px;display:flex;overflow-x:auto}.puzzle-tabs::-webkit-scrollbar{display:none}.puzzle-tab{background:var(--surface-3);color:var(--text-muted);cursor:pointer;white-space:nowrap;border:2px solid #0000;border-radius:20px;flex-shrink:1;align-items:center;gap:6px;min-width:0;padding:8px 12px;font-size:.85rem;font-weight:500;transition:all .2s;display:flex}.puzzle-tab:hover{background:var(--surface-4);color:var(--text-color)}.puzzle-tab.active{background:var(--primary-color);color:var(--button-text);border-color:var(--primary-color);animation:.3s ease-out tabActivate}.puzzle-tab.active:hover{background:var(--primary-hover);color:#fff}@keyframes tabActivate{0%{background:var(--surface-3);color:var(--text-muted);transform:scale(1)}50%{transform:scale(1.05)}to{background:var(--primary-color);color:var(--button-text);transform:scale(1)}}.tab-label-short{display:none}.sections-container{padding:0 16px}.puzzle-section{margin-top:24px;scroll-margin-top:150px}.section-header{align-items:center;gap:12px;margin-bottom:16px;padding:0 4px;display:flex}.section-header h2{color:var(--text-color);margin:0;font-size:1.25rem;font-weight:600}.section-header svg{color:var(--text-muted)}.user-rank-card{color:#fff;background:linear-gradient(135deg,#4a90d9 0%,#357abd 100%);border-radius:16px;margin-bottom:16px;padding:20px;box-shadow:0 4px 12px #4a90d94d}.user-rank-card h3{opacity:.9;margin:0 0 16px;font-size:1rem;font-weight:500}.rank-stats{text-align:center;justify-content:space-around;display:flex}.rank-stat{flex-direction:column;gap:4px;display:flex}.rank-stat .value{font-size:1.5rem;font-weight:700}.rank-stat .label{text-transform:uppercase;letter-spacing:.5px;opacity:.8;font-size:.75rem}.leaderboard-container{background:var(--surface-2);border-radius:16px;overflow:hidden;box-shadow:0 2px 12px #0000000f}.leaderboard-page .error-state{text-align:center;color:var(--text-muted);flex-direction:column;justify-content:center;align-items:center;padding:40px 20px;display:flex}.leaderboard-page .error-state svg{color:#dc3545;margin-bottom:12px}.leaderboard-page .empty-state{text-align:center;flex-direction:column;justify-content:center;align-items:center;padding:40px 20px;display:flex}.leaderboard-page .empty-state svg{color:var(--text-muted);opacity:.5;margin-bottom:12px}.leaderboard-page .empty-state h3{color:var(--text-color);margin:0 0 8px;font-size:1.1rem}.leaderboard-page .empty-state p{color:var(--text-muted);margin:0 0 16px;font-size:.9rem}.leaderboard-page .play-btn{background:var(--primary-color);color:var(--button-text);border-radius:25px;padding:10px 24px;font-size:.9rem;font-weight:600;text-decoration:none;transition:background .2s;display:inline-flex}.leaderboard-page .play-btn:hover{background:var(--primary-hover)}.leaderboard-table{width:100%}.table-header{background:var(--surface-1);color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;border-bottom:1px solid var(--border-color);grid-template-columns:60px 1fr 80px 60px;padding:12px 16px;font-size:.75rem;font-weight:600;display:grid}.table-row{border-bottom:1px solid var(--border-color);grid-template-columns:60px 1fr 80px 60px;align-items:center;padding:14px 16px;transition:background .2s;display:grid}.table-row:last-child{border-bottom:none}.table-row.top-1{background:linear-gradient(90deg,#ffd7001a 0%,#0000 100%)}.table-row.top-2{background:linear-gradient(90deg,#c0c0c01f 0%,#0000 100%)}.table-row.top-3{background:linear-gradient(90deg,#cd7f321a 0%,#0000 100%)}.table-row.current-user{background:linear-gradient(90deg,#4a90d91f 0%,#4a90d90d 100%);border-left:3px solid #4a90d9}.table-row.current-user-below{border-left:3px solid var(--primary-color);background:linear-gradient(90deg,#3a3a3a1f 0%,#3a3a3a0d 100%)}.separator-row{color:var(--text-muted);letter-spacing:4px;border-bottom:1px solid var(--border-color);justify-content:center;align-items:center;padding:8px;font-size:.9rem;display:flex}.col-rank{justify-content:center;align-items:center;display:flex}.rank-icon{font-size:22px}.rank-icon.gold{color:gold}.rank-icon.silver{color:silver}.rank-icon.bronze{color:#cd7f32}.rank-number{color:var(--text-muted);font-size:.95rem;font-weight:600}.col-player{align-items:center;gap:8px;display:flex;overflow:hidden}.player-name{color:var(--text-color);white-space:nowrap;text-overflow:ellipsis;font-weight:500;overflow:hidden}.leaderboard-page .premium-badge{color:#ffc107;flex-shrink:0;font-size:14px}.you-badge{background:var(--primary-color);color:var(--button-text);text-transform:uppercase;letter-spacing:.5px;border-radius:10px;flex-shrink:0;padding:2px 6px;font-size:.65rem;font-weight:600}.col-time{color:var(--text-color);text-align:center;font-family:SF Mono,Roboto Mono,monospace;font-size:.9rem;font-weight:600}.col-hints{text-align:center}.no-hints{color:var(--text-muted)}.hints-used{color:var(--text-muted);font-weight:500}.skeleton-row{pointer-events:none}.skeleton{background:linear-gradient(90deg,var(--surface-3)25%,var(--surface-4)50%,var(--surface-3)75%);background-size:200% 100%;border-radius:4px;animation:1.5s infinite shimmer}.skeleton-rank{border-radius:50%;width:24px;height:24px;margin:0 auto}.skeleton-name{width:120px;height:16px}.skeleton-time{width:50px;height:16px;margin:0 auto}.skeleton-hints{width:20px;height:16px;margin:0 auto}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.cta-banner{background:var(--surface-2);text-align:center;border-radius:16px;margin:32px 16px;padding:24px;box-shadow:0 2px 8px #0000000f}.cta-banner p{color:var(--text-muted);margin:0 0 16px;font-size:1rem}.cta-btn{background:var(--primary-color);color:var(--button-text);border-radius:25px;padding:12px 28px;font-weight:600;text-decoration:none;transition:background .2s;display:inline-flex}.cta-btn:hover{background:var(--primary-hover)}@media (max-width:768px){.leaderboard-header{padding:16px}.leaderboard-title{font-size:1.2rem}.back-link span{display:none}.header-spacer{width:40px}.date-banner{padding:12px;font-size:.9rem}.puzzle-selector{padding:10px 12px;top:56px}.puzzle-tab{padding:8px 12px;font-size:.85rem}.tab-label{display:none}.tab-label-short{display:inline}.sections-container{padding:0 12px}.puzzle-section{margin-top:20px;scroll-margin-top:130px}.section-header{margin-bottom:12px}.section-header h2{font-size:1.1rem}.leaderboard-container{border-radius:12px}.table-header{grid-template-columns:50px 1fr 65px 45px;padding:10px 12px;font-size:.7rem}.table-row{grid-template-columns:50px 1fr 65px 45px;padding:12px}.rank-icon{font-size:18px}.player-name{font-size:.9rem}.col-time{font-size:.8rem}.you-badge{padding:1px 4px;font-size:.6rem}.leaderboard-page .empty-state{padding:30px 16px}.leaderboard-page .empty-state svg{width:40px;height:40px}.cta-banner{margin:24px 12px;padding:20px 16px}.user-rank-card{margin-bottom:12px;padding:16px}.user-rank-card h3{margin-bottom:12px;font-size:.9rem}.rank-stat .value{font-size:1.25rem}.rank-stat .label{font-size:.65rem}}@media (max-width:480px){.puzzle-tabs{justify-content:flex-start;gap:4px}.puzzle-tab{border-radius:16px;gap:0;padding:6px 8px;font-size:.7rem}.puzzle-tab svg{display:none}.tab-label-short{font-size:.7rem}.table-header{grid-template-columns:40px 1fr 55px 40px;padding:8px 10px}.table-row{grid-template-columns:40px 1fr 55px 40px;padding:10px}.col-time{font-size:.75rem}.skeleton-name{width:80px}}