.page-tool--env-compare-and-merge .tool-page {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.page-tool--env-compare-and-merge .tool-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

.page-tool--env-compare-and-merge .tool-feedback {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--success);
}

.page-tool--env-compare-and-merge .env-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.page-tool--env-compare-and-merge .env-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 0;
}

.page-tool--env-compare-and-merge .env-field__head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 8px;
}

.page-tool--env-compare-and-merge .env-field__label {
    font-weight: 600;
    font-size: 0.85rem;
}

.page-tool--env-compare-and-merge .env-field__count {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--faint);
}

.page-tool--env-compare-and-merge .env-textarea {
    min-height: 14rem;
    height: 14rem;
}

.page-tool--env-compare-and-merge .tool-hint {
    margin: 12px 0 0;
    color: var(--muted);
    font-size: 0.8rem;
}

.page-tool--env-compare-and-merge .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--env-compare-and-merge .tool-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--env-compare-and-merge .env-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1px;
    border-bottom: 1px solid var(--line);
    background: var(--line);
}

.page-tool--env-compare-and-merge .env-stats:empty {
    display: none;
}

.page-tool--env-compare-and-merge .env-stat {
    padding: 12px 16px;
    background: var(--surface);
}

.page-tool--env-compare-and-merge .env-stat__value {
    display: block;
    font-family: var(--font-mono);
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--ink);
}

.page-tool--env-compare-and-merge .env-stat__label {
    display: block;
    margin-top: 2px;
    font-size: 0.7rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--faint);
}

.page-tool--env-compare-and-merge .env-stat--success .env-stat__value {
    color: var(--success);
}

.page-tool--env-compare-and-merge .env-stat--warning .env-stat__value {
    color: var(--warning);
}

.page-tool--env-compare-and-merge .env-stat--danger .env-stat__value {
    color: var(--danger);
}

.page-tool--env-compare-and-merge .env-matrix-wrap {
    overflow-x: auto;
}

.page-tool--env-compare-and-merge .env-matrix {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.82rem;
}

.page-tool--env-compare-and-merge .env-matrix th,
.page-tool--env-compare-and-merge .env-matrix td {
    padding: 9px 16px;
    border-bottom: 1px solid var(--line);
    text-align: left;
    vertical-align: middle;
}

.page-tool--env-compare-and-merge .env-matrix thead th {
    background: var(--surface-2);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--muted);
}

.page-tool--env-compare-and-merge .env-matrix tbody tr:nth-child(even) {
    background: var(--surface-2);
}

.page-tool--env-compare-and-merge .env-matrix tbody tr:last-child td,
.page-tool--env-compare-and-merge .env-matrix tbody tr:last-child th {
    border-bottom: 0;
}

.page-tool--env-compare-and-merge .env-matrix__key {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--ink);
    white-space: nowrap;
}

.page-tool--env-compare-and-merge .env-matrix__note {
    font-size: 0.76rem;
    color: var(--muted);
}

.page-tool--env-compare-and-merge .env-cell {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    white-space: nowrap;
}

.page-tool--env-compare-and-merge .env-cell::before {
    content: "";
    display: inline-block;
    width: 7px;
    height: 7px;
    margin-right: 6px;
    border-radius: 50%;
    background: var(--line-strong);
    vertical-align: middle;
}

.page-tool--env-compare-and-merge .env-cell--same {
    color: var(--success);
}

.page-tool--env-compare-and-merge .env-cell--same::before {
    background: var(--success);
}

.page-tool--env-compare-and-merge .env-cell--differs {
    color: var(--warning);
}

.page-tool--env-compare-and-merge .env-cell--differs::before {
    background: var(--warning);
}

.page-tool--env-compare-and-merge .env-cell--missing {
    color: var(--faint);
}

.page-tool--env-compare-and-merge .env-cell--missing::before {
    background: var(--line-strong);
}

.page-tool--env-compare-and-merge .env-matrix-wrap .empty-state {
    border: 0;
    border-radius: 0;
    background: transparent;
    padding: 2.5rem 1.25rem;
}

.page-tool--env-compare-and-merge .env-warnings {
    margin: 0;
    padding: 10px 16px;
    border-top: 1px solid var(--line);
    background: var(--warning-soft);
    color: var(--warning);
    font-size: 0.78rem;
}

.page-tool--env-compare-and-merge .env-warnings:empty {
    display: none;
}

.page-tool--env-compare-and-merge .env-warnings ul {
    margin: 4px 0 0;
    padding-left: 18px;
}

.page-tool--env-compare-and-merge .env-merge {
    display: block;
    min-height: 16rem;
    padding: 14px 16px;
    border: 0;
    border-radius: 0;
    background: var(--surface);
    font-size: 0.8rem;
}

.page-tool--env-compare-and-merge .env-merge:focus {
    box-shadow: none;
}

.page-tool--env-compare-and-merge .tool-hint--note {
    margin: 0;
    padding: 11px 16px;
    border-top: 1px solid var(--line);
    background: var(--surface-2);
}

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

@media (max-width: 900px) {
    .page-tool--env-compare-and-merge .env-grid {
        grid-template-columns: 1fr;
    }

    .page-tool--env-compare-and-merge .env-textarea {
        height: 10rem;
        min-height: 10rem;
    }
}