.quote-serial {
    font-family: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    font-weight: 500;
}

@media (min-width: 992px) {
    .quote-proofs-sidebar {
        border-left: 1px solid #dee2e6;
        min-width: 8.75rem;
        max-width: 11.25rem;
    }
}

@keyframes skeleton-pulse {
    0%, 100% { opacity: 0.15; }
    50% { opacity: 0.3; }
}

.skeleton-bar {
    height: 1rem;
    background-color: currentColor;
    border-radius: 0.25rem;
    animation: skeleton-pulse 1.5s ease-in-out infinite;
}