.difference {
    margin-top: 28px;
    padding: 24px;
    border: 1px solid var(--line, #e1e5ed);
    border-radius: var(--radius, 6px);
    background: #fff;
}

.difference .difference-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 22px;
}

.difference .difference-heading h3 {
    margin: 0 0 5px;
    color: var(--ink, #263047);
    font-size: 18px;
    font-weight: 500;
}

.difference .difference-heading p,
.difference .difference-alignment,
.difference .difference-summary-note {
    margin: 0;
    color: var(--muted, #6f7786);
    font-size: 11px;
    line-height: 1.8;
}

.difference .difference-controls {
    display: grid;
    grid-template-columns: 1fr 1fr 1.2fr;
    gap: 16px;
}

.difference .difference-controls label {
    color: var(--muted, #6f7786);
    font-size: 11px;
    font-weight: 500;
}

.difference .difference-controls select {
    display: block;
    width: 100%;
    min-width: 0;
    height: 40px;
    margin-top: 6px;
    padding: 7px 10px;
    border: 1px solid var(--line, #e1e5ed);
    border-radius: 4px;
    background: #fff;
    color: var(--ink, #263047);
    font: inherit;
}

.difference .difference-alignment {
    margin-top: 14px;
}

.difference .difference-message {
    margin: 12px 0 0;
    color: var(--primary-dark, #4258cb);
    font-size: 11px;
    line-height: 1.8;
}

.difference .difference-message:empty {
    margin: 0;
}

.difference .difference-message.is-error {
    padding: 9px 12px;
    border-left: 2px solid #d78691;
    background: #fff5f6;
    color: #ad394a;
}

.difference .difference-summary {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
    margin: 22px 0 12px;
    padding-top: 19px;
    border-top: 1px solid var(--line, #e1e5ed);
}

.difference .difference-summary dt {
    margin-bottom: 6px;
    color: var(--muted, #6f7786);
    font-size: 10px;
    line-height: 1.6;
}

.difference .difference-summary dd {
    margin: 0;
    color: var(--ink, #263047);
    font-size: 21px;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    letter-spacing: -.4px;
}

.difference .difference-summary-note {
    margin-bottom: 12px;
}

.difference .difference-help { margin-bottom: 20px; font-size: 11px; }
.difference .difference-help summary { color: var(--primary-dark); cursor: pointer; width: fit-content; }
.difference .difference-help p { max-width: 880px; color: var(--muted); line-height: 1.85; margin: 10px 0 0; }

.difference .difference-plot-wrap {
    position: relative;
    height: 400px;
    overflow: hidden;
    border: 1px solid var(--line, #e1e5ed);
    border-radius: 4px;
}

.difference .difference-graph {
    width: 100%;
    height: 100%;
    min-width: 0;
}

.difference .difference-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 28px;
    background: #fff;
    color: var(--muted, #6f7786);
    font-size: 13px;
    line-height: 1.8;
    text-align: center;
    pointer-events: none;
}

.difference .difference-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 8px 20px;
    margin-top: 10px;
}

.difference .difference-actions > span {
    color: var(--muted, #6f7786);
    font-size: 10px;
    line-height: 1.8;
}

.difference .difference-actions > div {
    display: flex;
    flex-wrap: wrap;
    gap: 4px 10px;
}

.difference .difference-values {
    margin-top: 18px;
    padding-top: 13px;
    border-top: 1px solid var(--line, #e1e5ed);
}

.difference .difference-values summary {
    width: fit-content;
    color: var(--primary-dark, #4258cb);
    font-size: 11px;
    cursor: pointer;
}

.difference .difference-values .table-scroll {
    max-height: 280px;
    margin-top: 12px;
}

.difference .difference-values table {
    min-width: 0;
    font-family: Consolas, monospace;
    font-size: 11px;
}

.difference .difference-values th,
.difference .difference-values td {
    padding: 7px 10px;
    text-align: right;
    white-space: nowrap;
}

@media (max-width: 760px) {
    .difference {
        margin-top: 22px;
        padding: 18px;
    }

    .difference .difference-controls {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    .difference .difference-controls label:last-child {
        grid-column: 1 / -1;
    }

    .difference .difference-summary {
        grid-template-columns: 1fr 1fr;
        gap: 18px;
    }

    .difference .difference-plot-wrap {
        height: 340px;
    }
}

@media (max-width: 420px) {
    .difference .difference-heading {
        align-items: flex-start;
        flex-direction: column;
        gap: 12px;
    }

    .difference .difference-controls {
        grid-template-columns: 1fr;
    }

    .difference .difference-controls label:last-child {
        grid-column: auto;
    }
}