.crrn-ref-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    text-align: center;
    font-weight: bold;
    margin: 0 2px;
    text-decoration: none;
    transition: all 0.2s ease;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    cursor: pointer;
}

.crrn-ref-link {
    text-decoration: none;
    border-bottom: none !important;
}

.crrn-text-ref {
    text-decoration: none;
    border-bottom: 1px dotted #0073aa;
}

.crrn-text-ref:hover {
    border-bottom: 1px solid #0073aa;
}

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
    .crrn-ref-number {
        transition: none;
    }
}

/* Print styles */
@media print {
    .crrn-ref-number {
        color: #000 !important;
        background-color: #f0f0f0 !important;
        border: 1px solid #000;
    }
    
    .crrn-ref-link::after {
        content: " [" attr(href) "]";
        font-size: smaller;
        color: #666;
    }
}