.calc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.tz-zones {
    display: grid;
    gap: 0.65rem;
    margin-bottom: 1rem;
}

.tz-row {
    display: grid;
    grid-template-columns: minmax(6rem, 1fr) minmax(10rem, 1.2fr) minmax(12rem, 1.5fr) auto;
    gap: 0.5rem;
    align-items: center;
    padding: 0.65rem;
    border: 1px solid var(--border, rgba(255, 255, 255, 0.1));
    border-radius: 0.45rem;
}

.tz-row-base {
    background: rgba(255, 255, 255, 0.03);
}

.tz-name-input {
    min-width: 0;
}

.tz-time {
    font-variant-numeric: tabular-nums;
    font-size: 0.95rem;
}

@media (max-width: 720px) {
    .tz-row {
        grid-template-columns: 1fr 1fr;
    }

    .tz-time {
        grid-column: 1 / -1;
    }

    .tz-remove {
        grid-column: 2;
        justify-self: end;
    }
}