/* TOOLS / text_diff — module-local styles only. */

.tool-two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.tool-diff-output {
    margin-top: 12px;
    font-family: var(--font-family-mono);
    font-size: 0.85rem;
    background: var(--bg-surface-alt);
    border-radius: var(--radius-md);
    overflow-x: auto;
}

.tool-diff-output:empty {
    display: none;
}

.td-row {
    padding: 2px 10px;
    white-space: pre-wrap;
    word-break: break-word;
}

.td-row-insert { background: var(--color-success-soft); }
.td-row-delete { background: var(--color-danger-soft); }

.td-add { background: var(--color-success-soft); }
.td-del { background: var(--color-danger-soft); text-decoration: line-through; }

/* Hunk toggle: sticky to the left edge of the horizontally-scrolling diff
   container so it stays reachable even when a long line pushes rows wide. */
.td-hunk-toggle {
    position: sticky;
    left: 0;
    display: flex;
    width: fit-content;
    gap: 4px;
    padding: 4px 8px;
    background: var(--bg-surface-alt);
    border-top: 1px solid var(--border-soft);
    border-bottom: 1px solid var(--border-soft);
}

.td-hunk-chip {
    padding: 2px 10px;
    font-size: 0.72rem;
    font-weight: 600;
    border: 1px solid var(--border);
    border-radius: var(--radius-pill);
    background: var(--bg-surface);
    color: var(--text-secondary);
    cursor: pointer;
}

.td-hunk-chip.is-active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--text-inverse);
}

@media (max-width: 720px) {
    .tool-two-col {
        grid-template-columns: 1fr;
    }
}