.pmi-reference-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin: 18px 0;
}

.pmi-reference-grid .formula-card {
    min-width: 0;
}

.pmi-reference-grid code {
    display: block;
    margin-top: 8px;
    font-size: 1.15rem;
    overflow-wrap: anywhere;
}

.pmi-result-text {
    font-size: clamp(1.3rem, 3vw, 1.8rem);
}

@media (max-width: 680px) {
    .pmi-reference-grid {
        grid-template-columns: 1fr;
    }
}