.page-tool--regex-flavor-comparator .tool-page {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.page-tool--regex-flavor-comparator .rfc-input__body {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.page-tool--regex-flavor-comparator .rfc-input__grid {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    grid-template-areas:
        "pattern flags"
        "sample sample";
    gap: 14px;
}

.page-tool--regex-flavor-comparator .rfc-input__pattern {
    grid-area: pattern;
}

.page-tool--regex-flavor-comparator .rfc-input__flags {
    grid-area: flags;
}

.page-tool--regex-flavor-comparator .rfc-input__sample {
    grid-area: sample;
}

.page-tool--regex-flavor-comparator .rfc-pattern .search__input {
    font-family: var(--font-mono);
    font-size: 0.95rem;
}

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

.page-tool--regex-flavor-comparator .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--regex-flavor-comparator .rfc-flags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.page-tool--regex-flavor-comparator .rfc-flag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 11px;
    border: 1px solid var(--line-2);
    border-radius: var(--radius-sm);
    background: var(--surface-2);
    cursor: pointer;
    font-size: 0.82rem;
    color: var(--ink-2);
}

.page-tool--regex-flavor-comparator .rfc-flag:focus-within {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}

.page-tool--regex-flavor-comparator .rfc-flag-input {
    margin: 0;
    accent-color: var(--accent);
}

.page-tool--regex-flavor-comparator .rfc-flag__code {
    font-family: var(--font-mono);
    font-weight: 700;
    color: var(--accent);
}

.page-tool--regex-flavor-comparator .rfc-flag__name {
    color: var(--muted);
}

.page-tool--regex-flavor-comparator .rfc-sample {
    min-height: 7rem;
}

.page-tool--regex-flavor-comparator .tool-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
}

.page-tool--regex-flavor-comparator .rfc-example-label {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--faint);
}

.page-tool--regex-flavor-comparator .rfc-example {
    min-width: 13rem;
}

.page-tool--regex-flavor-comparator .rfc-workspace {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: 16px;
    align-items: stretch;
}

.page-tool--regex-flavor-comparator .rfc-pane {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.page-tool--regex-flavor-comparator .rfc-pane__body {
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
    min-height: 0;
}

.page-tool--regex-flavor-comparator .rfc-status {
    min-height: 0;
    margin: 0;
    padding: 11px 16px;
    border-bottom: 1px solid var(--line);
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--muted);
}

.page-tool--regex-flavor-comparator .rfc-status.status {
    margin: 0;
    border: 0;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
    background: transparent;
}

.page-tool--regex-flavor-comparator .rfc-status.status--warning {
    background: var(--warning-soft);
    color: var(--warning);
}

.page-tool--regex-flavor-comparator .rfc-status.status--error {
    background: var(--danger-soft);
    color: var(--danger);
}

.page-tool--regex-flavor-comparator .rfc-status.status--success {
    background: var(--success-soft);
    color: var(--success);
}

.page-tool--regex-flavor-comparator .rfc-report {
    flex: 1 1 auto;
    min-height: 0;
    max-height: 32rem;
    overflow: auto;
    background: var(--surface);
}

.page-tool--regex-flavor-comparator .rfc-report .empty-state {
    border: 0;
    border-radius: 0;
    background: transparent;
    padding: 2.5rem 1.25rem;
}

.page-tool--regex-flavor-comparator .rfc-matrix {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8rem;
}

.page-tool--regex-flavor-comparator .rfc-matrix th,
.page-tool--regex-flavor-comparator .rfc-matrix td {
    padding: 7px 8px;
    border-bottom: 1px solid var(--line);
    text-align: center;
}

.page-tool--regex-flavor-comparator .rfc-matrix thead th {
    position: sticky;
    top: 0;
    z-index: 1;
    background: var(--surface-2);
    font-family: var(--font-mono);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--muted);
}

.page-tool--regex-flavor-comparator .rfc-matrix__corner {
    text-align: left;
}

.page-tool--regex-flavor-comparator .rfc-matrix__construct {
    text-align: left;
    font-weight: 400;
    white-space: nowrap;
}

.page-tool--regex-flavor-comparator .rfc-matrix__construct code {
    font-family: var(--font-mono);
    color: var(--ink);
}

.page-tool--regex-flavor-comparator .rfc-matrix__count {
    margin-left: 6px;
    padding: 0 5px;
    border-radius: var(--radius-pill);
    background: var(--surface-3);
    color: var(--faint);
    font-family: var(--font-mono);
    font-size: 0.68rem;
}

.page-tool--regex-flavor-comparator .rfc-cell__symbol {
    font-weight: 700;
}

.page-tool--regex-flavor-comparator .rfc-cell--yes .rfc-cell__symbol {
    color: var(--success);
}

.page-tool--regex-flavor-comparator .rfc-cell--partial .rfc-cell__symbol {
    color: var(--warning);
}

.page-tool--regex-flavor-comparator .rfc-cell--no .rfc-cell__symbol {
    color: var(--danger);
}

.page-tool--regex-flavor-comparator .rfc-findings {
    list-style: none;
    margin: 0;
    padding: 0;
    border-top: 1px solid var(--line);
}

.page-tool--regex-flavor-comparator .rfc-finding {
    padding: 12px 16px;
    border-bottom: 1px solid var(--line);
}

.page-tool--regex-flavor-comparator .rfc-finding__head {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 8px;
}

.page-tool--regex-flavor-comparator .rfc-finding__code {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--accent);
}

.page-tool--regex-flavor-comparator .rfc-finding__title {
    font-weight: 600;
    color: var(--ink);
    font-size: 0.86rem;
}

.page-tool--regex-flavor-comparator .rfc-finding__count {
    padding: 0 6px;
    border-radius: var(--radius-pill);
    background: var(--surface-3);
    color: var(--faint);
    font-family: var(--font-mono);
    font-size: 0.68rem;
}

.page-tool--regex-flavor-comparator .rfc-finding__detail {
    margin: 5px 0 0;
    color: var(--muted);
    font-size: 0.82rem;
}

.page-tool--regex-flavor-comparator .rfc-finding__flavors {
    margin: 6px 0 0;
    font-size: 0.78rem;
}

.page-tool--regex-flavor-comparator .rfc-finding__blockers {
    color: var(--danger);
}

.page-tool--regex-flavor-comparator .rfc-finding__cautions {
    color: var(--warning);
}

.page-tool--regex-flavor-comparator .rfc-notes {
    list-style: none;
    margin: 0;
    padding: 12px 16px;
    border-top: 1px solid var(--line);
    background: var(--surface-2);
}

.page-tool--regex-flavor-comparator .rfc-note {
    margin: 0 0 8px;
    color: var(--muted);
    font-size: 0.8rem;
    line-height: 1.55;
}

.page-tool--regex-flavor-comparator .rfc-note:last-child {
    margin-bottom: 0;
}

.page-tool--regex-flavor-comparator .rfc-note strong {
    color: var(--ink-2);
}

.page-tool--regex-flavor-comparator .rfc-preview {
    flex: 1 1 auto;
    min-height: 0;
    max-height: 32rem;
    overflow: auto;
    background: var(--surface);
}

.page-tool--regex-flavor-comparator .rfc-preview__text {
    padding: 14px 16px;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    line-height: 1.65;
    white-space: pre-wrap;
    word-break: break-word;
    color: var(--ink-2);
}

.page-tool--regex-flavor-comparator .rfc-hit {
    padding: 0.05em 0.1em;
    border-radius: var(--radius-xs);
    background: var(--accent-soft);
    color: var(--accent);
    box-shadow: inset 0 -2px 0 var(--accent-line);
}

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

.page-tool--regex-flavor-comparator .rfc-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: 900px) {
    .page-tool--regex-flavor-comparator .rfc-input__grid {
        grid-template-columns: 1fr;
        grid-template-areas:
            "pattern"
            "flags"
            "sample";
    }

    .page-tool--regex-flavor-comparator .rfc-workspace {
        grid-template-columns: 1fr;
    }

    .page-tool--regex-flavor-comparator .rfc-report,
    .page-tool--regex-flavor-comparator .rfc-preview {
        max-height: 26rem;
    }
}

@media (max-width: 640px) {
    .page-tool--regex-flavor-comparator .rfc-example {
        flex: 1 1 100%;
    }
}