.page-tool--csv-cleaner .tool-page {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.page-tool--csv-cleaner .tool-options {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.page-tool--csv-cleaner .tool-options__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
    gap: 14px 20px;
    align-items: start;
}

.page-tool--csv-cleaner .tool-options__group {
    border: 0;
    margin: 0;
    padding: 0;
}

.page-tool--csv-cleaner .tool-options__group .label {
    padding: 0;
}

.page-tool--csv-cleaner .tool-options__inline {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 16px;
    min-height: 46px;
}

.page-tool--csv-cleaner .tool-choice {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 0.88rem;
    color: var(--ink-2);
    cursor: pointer;
}

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

.page-tool--csv-cleaner .tool-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.page-tool--csv-cleaner .tool-advanced {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface-2);
}

.page-tool--csv-cleaner .tool-advanced__summary {
    padding: 11px 14px;
    color: var(--ink-2);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
}

.page-tool--csv-cleaner .tool-advanced__body {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 0 14px 14px;
}

.page-tool--csv-cleaner .tool-status {
    min-height: 0;
    margin: 0;
    font-family: var(--font-mono);
    font-size: 0.78rem;
}

.page-tool--csv-cleaner .tool-workspace {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 16px;
    align-items: stretch;
}

.page-tool--csv-cleaner .tool-pane {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.page-tool--csv-cleaner .tool-pane__body {
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
    min-height: 0;
}

.page-tool--csv-cleaner .tool-textarea {
    display: block;
    flex: 1 1 auto;
    min-height: 24rem;
    padding: 14px 16px;
    border: 0;
    border-radius: 0;
    background: var(--surface);
    font-family: var(--font-mono);
    font-size: 0.84rem;
    white-space: pre;
    overflow-wrap: normal;
    overflow-x: auto;
}

.page-tool--csv-cleaner .tool-textarea:focus {
    box-shadow: none;
}

.page-tool--csv-cleaner #csv-output {
    background: var(--surface-2);
    color: var(--ink-2);
}

.page-tool--csv-cleaner .tool-hint--note {
    padding: 11px 16px;
    border-top: 1px solid var(--line);
    background: var(--surface-2);
}

.page-tool--csv-cleaner .tool-diagnostics__meta {
    margin: 0 0 12px;
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 0.78rem;
}

.page-tool--csv-cleaner .tool-issues {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.page-tool--csv-cleaner .tool-issues .empty-state {
    padding: 1.5rem 1.25rem;
}

.page-tool--csv-cleaner .empty-state--success {
    border-color: var(--success);
}

.page-tool--csv-cleaner .empty-state--success .empty-state__title {
    color: var(--success);
}

.page-tool--csv-cleaner .tool-issue {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 14px;
    border: 1px solid var(--line);
    border-left-width: 3px;
    border-radius: var(--radius-sm);
    background: var(--surface-2);
}

.page-tool--csv-cleaner .tool-issue--error {
    border-left-color: var(--danger);
}

.page-tool--csv-cleaner .tool-issue--warning {
    border-left-color: var(--accent);
}

.page-tool--csv-cleaner .tool-issue--notice {
    border-left-color: var(--faint);
}

.page-tool--csv-cleaner .tool-issue__badge {
    flex: 0 0 auto;
    padding: 2px 8px;
    border-radius: 999px;
    background: var(--surface-3);
    color: var(--muted);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.page-tool--csv-cleaner .tool-issue--error .tool-issue__badge {
    background: var(--danger-soft);
    color: var(--danger);
}

.page-tool--csv-cleaner .tool-issue--warning .tool-issue__badge {
    background: var(--accent-soft);
    color: var(--accent);
}

.page-tool--csv-cleaner .tool-issue__body {
    min-width: 0;
}

.page-tool--csv-cleaner .tool-issue__title {
    margin: 0 0 3px;
    color: var(--ink);
    font-size: 0.88rem;
    font-weight: 600;
}

.page-tool--csv-cleaner .tool-issue__detail {
    margin: 0;
    color: var(--muted);
    font-size: 0.82rem;
    line-height: 1.5;
}

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

.page-tool--csv-cleaner .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: 860px) {
    .page-tool--csv-cleaner .tool-workspace {
        grid-template-columns: 1fr;
    }

    .page-tool--csv-cleaner .tool-textarea {
        min-height: 15rem;
    }
}