/* style.css */
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #e2e8f0;
    border-top: 4px solid #3b82f6;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@page {
    size: 85.6mm 54mm;
}

@media print {
    body {
        background: white;
        padding: 0;
        margin: 0;
    }
}