:root { --primary: #2563eb; }
        body { background-color: #f1f5f9; font-family: 'Segoe UI', system-ui, -apple-system; }
        #overlay-gate { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(15, 23, 42, 0.95); z-index: 9999; display: flex; align-items: center; justify-content: center; backdrop-filter: blur(8px); }
        .stats-card { background: white; border-radius: 12px; border-left: 5px solid var(--primary); }
        .audit-info { font-size: 0.7rem; color: #64748b; line-height: 1.2; }
        .currency-status { font-size: 0.65rem; color: #94a3b8; font-style: italic; }
        .bg-conversion { background-color: #f8fafc; border: 1px dashed #cbd5e1; border-radius: 8px; }
        @media print { .no-print { display: none !important; } #receipt-area { display: block !important; } }
        #receipt-area { display: none; font-family: 'Courier New', Courier, monospace; }