.page-tool--wcag-contrast-batch-checker .tool-page {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.page-tool--wcag-contrast-batch-checker .tool-palettes__body {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.page-tool--wcag-contrast-batch-checker .palette-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 16px;
}

.page-tool--wcag-contrast-batch-checker .palette-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 0;
}

.page-tool--wcag-contrast-batch-checker .tool-palette-textarea {
    min-height: 8.5rem;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.6;
    resize: vertical;
}

.page-tool--wcag-contrast-batch-checker .palette-swatches {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    min-height: 18px;
}

.page-tool--wcag-contrast-batch-checker .palette-swatch {
    width: 20px;
    height: 20px;
    border: 1px solid var(--line-2);
    border-radius: var(--radius-xs);
}

.page-tool--wcag-contrast-batch-checker .tool-controls {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 14px;
}

.page-tool--wcag-contrast-batch-checker .tool-controls .field {
    min-width: 220px;
}

.page-tool--wcag-contrast-batch-checker .tool-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-left: auto;
}

.page-tool--wcag-contrast-batch-checker .tool-hint {
    margin: 0;
    color: var(--muted);
    font-size: 0.8rem;
}

.page-tool--wcag-contrast-batch-checker .tool-hint code {
    padding: 0.05rem 0.35rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-xs);
    background: var(--surface-3);
    color: var(--ink-2);
    font-family: var(--font-mono);
}

.page-tool--wcag-contrast-batch-checker .tool-status {
    min-height: 0;
    margin: 0;
    font-size: 0.8rem;
}

.page-tool--wcag-contrast-batch-checker .tool-results__body {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.page-tool--wcag-contrast-batch-checker .summary-bar {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
}

.page-tool--wcag-contrast-batch-checker .summary-stat {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 10px 14px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface-2);
}

.page-tool--wcag-contrast-batch-checker .summary-stat__value {
    font-size: 1.5rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    line-height: 1.1;
    color: var(--ink);
}

.page-tool--wcag-contrast-batch-checker .summary-stat__label {
    color: var(--muted);
    font-size: 0.75rem;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.page-tool--wcag-contrast-batch-checker .summary-stat--pass {
    border-color: var(--success);
    background: var(--success-soft);
}

.page-tool--wcag-contrast-batch-checker .summary-stat--pass .summary-stat__value {
    color: var(--success);
}

.page-tool--wcag-contrast-batch-checker .summary-stat--fail {
    border-color: var(--danger);
    background: var(--danger-soft);
}

.page-tool--wcag-contrast-batch-checker .summary-stat--fail .summary-stat__value {
    color: var(--danger);
}

.page-tool--wcag-contrast-batch-checker .summary-note {
    margin: 0;
    color: var(--muted);
    font-size: 0.85rem;
}

.page-tool--wcag-contrast-batch-checker .tool-matrix-wrap {
    overflow: auto;
    max-height: 34rem;
}

.page-tool--wcag-contrast-batch-checker .tool-matrix-wrap .empty-state {
    padding: 2.5rem 1.25rem;
}

.page-tool--wcag-contrast-batch-checker .matrix {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 0.78rem;
}

.page-tool--wcag-contrast-batch-checker .matrix th,
.page-tool--wcag-contrast-batch-checker .matrix td {
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.page-tool--wcag-contrast-batch-checker .matrix__corner {
    position: sticky;
    top: 0;
    left: 0;
    z-index: 3;
    padding: 8px 12px;
    background: var(--surface-2);
    color: var(--faint);
    font-family: var(--font-mono);
    font-size: 0.68rem;
    font-weight: 500;
    text-align: left;
    white-space: nowrap;
}

.page-tool--wcag-contrast-batch-checker .matrix__colhead,
.page-tool--wcag-contrast-batch-checker .matrix__rowhead {
    padding: 8px 10px;
    background: var(--surface-2);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--ink-2);
    white-space: nowrap;
}

.page-tool--wcag-contrast-batch-checker .matrix__colhead {
    position: sticky;
    top: 0;
    z-index: 2;
    text-align: center;
}

.page-tool--wcag-contrast-batch-checker .matrix__rowhead {
    position: sticky;
    left: 0;
    z-index: 1;
    text-align: left;
}

.page-tool--wcag-contrast-batch-checker .matrix__headchip {
    display: inline-block;
    width: 14px;
    height: 14px;
    margin-right: 6px;
    border: 1px solid var(--line-2);
    border-radius: 3px;
    vertical-align: -2px;
}

.page-tool--wcag-contrast-batch-checker .matrix__cell {
    padding: 7px 8px;
    text-align: center;
}

.page-tool--wcag-contrast-batch-checker .matrix__cell--pass {
    background: var(--success-soft);
    background: color-mix(in srgb, var(--success-soft) 55%, var(--surface));
}

.page-tool--wcag-contrast-batch-checker .matrix__cell--fail {
    background: var(--danger-soft);
    background: color-mix(in srgb, var(--danger-soft) 60%, var(--surface));
}

.page-tool--wcag-contrast-batch-checker .matrix__preview {
    display: block;
    padding: 6px 10px;
    border: 1px solid var(--line-2);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1.2;
}

.page-tool--wcag-contrast-batch-checker .matrix__ratio {
    display: block;
    margin-top: 4px;
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
    color: var(--ink-2);
}

.page-tool--wcag-contrast-batch-checker .matrix__status {
    display: block;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.page-tool--wcag-contrast-batch-checker .matrix__cell--pass .matrix__status {
    color: var(--success);
}

.page-tool--wcag-contrast-batch-checker .matrix__cell--fail .matrix__status {
    color: var(--danger);
}

.page-tool--wcag-contrast-batch-checker .tool-about__text {
    max-width: 80ch;
    margin: 0;
    color: var(--muted);
    font-size: 0.9rem;
}

.page-tool--wcag-contrast-batch-checker .tool-about__text code {
    padding: 0.05rem 0.3rem;
    border-radius: var(--radius-xs);
    background: var(--surface-3);
    color: var(--ink-2);
    font-family: var(--font-mono);
}

@media (max-width: 780px) {
    .page-tool--wcag-contrast-batch-checker .palette-grid {
        grid-template-columns: 1fr;
    }

    .page-tool--wcag-contrast-batch-checker .tool-actions {
        margin-left: 0;
    }

    .page-tool--wcag-contrast-batch-checker .summary-bar {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .page-tool--wcag-contrast-batch-checker .tool-controls .field {
        min-width: 0;
        flex: 1 1 180px;
    }
}