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var(--border);align-items:center;gap:12px;margin-bottom:4px;padding:11px 14px;transition:background .15s;display:flex}.lb-row.you{border-color:var(--blue);background:#2563eb12}.lb-rank{color:var(--text-dim);text-align:right;min-width:24px;font-family:DM Mono,monospace;font-size:.8rem}.lb-rank.gold{color:gold}.lb-rank.silver{color:silver}.lb-rank.bronze{color:#cd7f32}.lb-name{flex:1;font-size:.88rem;font-weight:500}.lb-xp{color:var(--blue-light);font-family:DM Mono,monospace;font-size:.78rem}.lb-streak{color:var(--yellow);font-size:.75rem}@media (width<=640px){nav{gap:0;padding:0 14px}.nav-right{gap:8px}.xp-badge,.logout-btn{display:none}.streak-badge{padding:4px 9px;font-size:.72rem}.admin-btn{padding:5px 9px}.admin-btn .admin-label{display:none}.app-shell{height:100svh;overflow:hidden}nav{z-index:10;flex-shrink:0;position:relative}.app{-webkit-overflow-scrolling:touch;flex:1;order:1;max-width:none;min-height:0;margin:0;padding:20px 16px;overflow-y:auto}.tabs{border-top:1px solid var(--border);max-width:none;padding:6px 6px calc(6px + env(safe-area-inset-bottom,0px));-webkit-backdrop-filter:blur(20px);background:#0a0f1ef7;border-bottom:none;border-left:none;border-right:none;border-radius:0;flex-shrink:0;order:2;gap:2px;margin:0;position:static}.tab{border-radius:8px;flex-direction:column;gap:3px;padding:8px 2px 6px}.tab-icon{font-size:1.35rem}.tab-label{letter-spacing:.01em;font-size:.6rem}.modal-stats{grid-template-columns:1fr 1fr}.modal-stats .modal-stat:last-child{grid-column:1/-1}.stats-grid{grid-template-columns:1fr}}