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var(--border);border-radius:var(--radius-sm);cursor:pointer;background:#f1f5f9;padding:8px 16px;font-size:13px;font-weight:600;transition:all .15s}.btn-secondary:hover:not(:disabled){color:#0f172a;background:#e2e8f0}@media (width<=768px){.tracker-header{flex-direction:column;align-items:flex-start}.nav-tabs{flex-wrap:nowrap}.metrics-grid{grid-template-columns:1fr}}.modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;background:#0f172a99;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.modal-content{border-radius:var(--radius-lg);border:1px solid var(--border);background:#fff;width:100%;max-width:620px;max-height:85vh;padding:28px;animation:.15s ease-out modalFadeIn;overflow-y:auto;box-shadow:0 20px 25px -5px #0003,0 10px 10px -5px #0000001a}@keyframes modalFadeIn{0%{opacity:0;transform:scale(.97)}to{opacity:1;transform:scale(1)}}.modal-header{border-bottom:1px solid 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