.page-tool--text-diff .tool-page {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.page-tool--text-diff .tool-compare__body {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.page-tool--text-diff .tool-inputs {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 14px;
}

.page-tool--text-diff .tool-inputs__field {
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 0;
}

.page-tool--text-diff .tool-textarea {
    display: block;
    width: 100%;
    min-height: 12rem;
    resize: vertical;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    line-height: 1.5;
    white-space: pre;
    overflow-wrap: normal;
}

.page-tool--text-diff .tool-hint {
    margin: 0;
    color: var(--muted);
    font-size: 0.8rem;
}

.page-tool--text-diff .tool-controls {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: space-between;
    gap: 14px 24px;
    padding-top: 12px;
    border-top: 1px solid var(--line);
}

.page-tool--text-diff .tool-options {
    display: flex;
    flex-direction: column;
    gap: 6px;
    border: 0;
    margin: 0;
    padding: 0;
}

.page-tool--text-diff .tool-options__inline {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 16px;
    min-height: 1.6rem;
}

.page-tool--text-diff .tool-choice {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 0.85rem;
    color: var(--ink-2);
    cursor: pointer;
}

.page-tool--text-diff .tool-choice input {
    width: 1rem;
    height: 1rem;
    margin: 0;
    accent-color: var(--accent);
    cursor: pointer;
}

.page-tool--text-diff .tool-view {
    min-width: 0;
}

.page-tool--text-diff .tool-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.page-tool--text-diff .tool-diff__body {
    display: flex;
    flex-direction: column;
}

.page-tool--text-diff .tool-diff__top {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 10px 16px;
    padding: 10px 16px;
    border-bottom: 1px solid var(--line);
}

.page-tool--text-diff .tool-status {
    min-height: 0;
    margin: 0;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--muted);
}

.page-tool--text-diff .tool-status.status {
    margin: 0;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
}

.page-tool--text-diff .tool-status.status--error {
    background: transparent;
    color: var(--danger);
}

.page-tool--text-diff .tool-status.status--success {
    background: transparent;
    color: var(--success);
}

.page-tool--text-diff .tool-diff__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.page-tool--text-diff .tool-diff__legend {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 12px;
    padding: 8px 16px;
    border-bottom: 1px solid var(--line);
    background: var(--surface-2);
    font-size: 0.72rem;
    color: var(--muted);
}

.page-tool--text-diff .tool-legend {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.page-tool--text-diff .tool-legend::before {
    content: "";
    width: 0.7rem;
    height: 0.7rem;
    border-radius: 2px;
    border: 1px solid var(--line);
}

.page-tool--text-diff .tool-legend--remove::before {
    background: var(--danger-soft);
    border-color: var(--danger);
}

.page-tool--text-diff .tool-legend--add::before {
    background: var(--success-soft);
    border-color: var(--success);
}

.page-tool--text-diff .tool-legend--change::before {
    background: linear-gradient(90deg, var(--danger-soft) 50%, var(--success-soft) 50%);
    border-color: var(--muted);
}

.page-tool--text-diff .tool-diff__output {
    flex: 1 1 auto;
    min-height: 12rem;
    max-height: 34rem;
    overflow: auto;
    background: var(--surface);
    font-family: var(--font-mono);
    font-size: 0.79rem;
    line-height: 1.55;
}

.page-tool--text-diff .tool-diff__output .empty-state {
    border: 0;
    border-radius: 0;
    background: transparent;
    padding: 2.5rem 1.25rem;
}

.page-tool--text-diff .diff-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
}

.page-tool--text-diff .diff-row--unified {
    grid-template-columns: 3.1rem 3.1rem 1.2rem minmax(0, 1fr);
}

.page-tool--text-diff .diff-cell {
    display: flex;
    min-width: 0;
    align-items: stretch;
}

.page-tool--text-diff .diff-cell--right {
    border-left: 1px solid var(--line);
}

.page-tool--text-diff .diff-cell--empty {
    background: var(--surface-2);
}

.page-tool--text-diff .diff-num {
    flex: 0 0 3.1rem;
    padding: 1px 8px;
    text-align: right;
    color: var(--faint);
    background: var(--surface-2);
    border-right: 1px solid var(--line);
    font-variant-numeric: tabular-nums;
    -webkit-user-select: none;
    user-select: none;
}

.page-tool--text-diff .diff-mark {
    flex: 0 0 1.2rem;
    padding: 1px 0;
    text-align: center;
    color: var(--muted);
    background: var(--surface-2);
    -webkit-user-select: none;
    user-select: none;
}

.page-tool--text-diff .diff-cell__code {
    flex: 1 1 auto;
    min-width: 0;
    padding: 1px 10px;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}

.page-tool--text-diff .diff-row--remove .diff-cell--left .diff-cell__code {
    background: var(--danger-soft);
}

.page-tool--text-diff .diff-row--replace .diff-cell--left .diff-cell__code {
    background: var(--danger-soft);
}

.page-tool--text-diff .diff-row--add .diff-cell--right .diff-cell__code {
    background: var(--success-soft);
}

.page-tool--text-diff .diff-row--replace .diff-cell--right .diff-cell__code {
    background: var(--success-soft);
}

.page-tool--text-diff .diff-row--remove.diff-row--unified .diff-cell__code {
    background: var(--danger-soft);
}

.page-tool--text-diff .diff-row--add.diff-row--unified .diff-cell__code {
    background: var(--success-soft);
}

.page-tool--text-diff .diff-seg--remove {
    border-radius: 2px;
    background: var(--danger);
    color: var(--surface);
}

.page-tool--text-diff .diff-seg--add {
    border-radius: 2px;
    background: var(--success);
    color: var(--surface);
}

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

@media (max-width: 860px) {
    .page-tool--text-diff .tool-inputs {
        grid-template-columns: 1fr;
    }

    .page-tool--text-diff .tool-controls {
        justify-content: flex-start;
    }

    .page-tool--text-diff .tool-diff__output {
        max-height: 26rem;
    }
}