.page-tool--mysql-explain-visualizer .tool-page {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.page-tool--mysql-explain-visualizer .mexv-workspace {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 16px;
    align-items: start;
}

.page-tool--mysql-explain-visualizer .mexv-input-panel {
    position: sticky;
    top: 76px;
}

.page-tool--mysql-explain-visualizer .mexv-input-panel__body {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.page-tool--mysql-explain-visualizer .mexv-textarea {
    min-height: 21rem;
    max-height: 34rem;
    font-size: 0.8rem;
    line-height: 1.55;
    white-space: pre;
    overflow: auto;
}

.page-tool--mysql-explain-visualizer .mexv-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.page-tool--mysql-explain-visualizer .mexv-toolbar__field {
    flex: 1 1 11rem;
    min-width: 0;
}

.page-tool--mysql-explain-visualizer .mexv-toolbar__field .select {
    width: 100%;
}

.page-tool--mysql-explain-visualizer .mexv-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.page-tool--mysql-explain-visualizer .mexv-hint {
    margin: 0;
    color: var(--faint);
    font-size: 0.78rem;
}

.page-tool--mysql-explain-visualizer .mexv-output-panel__body {
    display: flex;
    flex-direction: column;
}

.page-tool--mysql-explain-visualizer .mexv-status {
    min-height: 0;
    margin: 0;
    padding: 11px 16px;
    border: 0;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--muted);
}

.page-tool--mysql-explain-visualizer .mexv-status.status {
    margin: 0;
    border-left: 0;
    border-radius: 0;
    border-bottom: 1px solid var(--line);
}

.page-tool--mysql-explain-visualizer .mexv-status.status--error {
    border-color: var(--danger);
}

.page-tool--mysql-explain-visualizer .mexv-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(6.5rem, 1fr));
    gap: 1px;
    background: var(--line);
    border-bottom: 1px solid var(--line);
}

.page-tool--mysql-explain-visualizer .mexv-summary:empty {
    display: none;
}

.page-tool--mysql-explain-visualizer .mexv-stat {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 10px 14px;
    background: var(--surface);
}

.page-tool--mysql-explain-visualizer .mexv-stat__value {
    font-family: var(--font-mono);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--ink);
    font-variant-numeric: tabular-nums;
}

.page-tool--mysql-explain-visualizer .mexv-stat__label {
    font-family: var(--font-mono);
    font-size: 0.64rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--faint);
}

.page-tool--mysql-explain-visualizer .mexv-stat--good .mexv-stat__value {
    color: var(--success);
}

.page-tool--mysql-explain-visualizer .mexv-stat--warning .mexv-stat__value {
    color: var(--warning);
}

.page-tool--mysql-explain-visualizer .mexv-stat--critical .mexv-stat__value {
    color: var(--danger);
}

.page-tool--mysql-explain-visualizer .mexv-plan {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 16px;
}

.page-tool--mysql-explain-visualizer .mexv-plan .empty-state {
    padding: 2.5rem 1.25rem;
}

.page-tool--mysql-explain-visualizer .mexv-step {
    border: 1px solid var(--line);
    border-left: 4px solid var(--line-2);
    border-radius: var(--radius);
    background: var(--surface);
    padding: 12px 14px;
}

.page-tool--mysql-explain-visualizer .mexv-step--good {
    border-left-color: var(--success);
}

.page-tool--mysql-explain-visualizer .mexv-step--info {
    border-left-color: var(--accent);
}

.page-tool--mysql-explain-visualizer .mexv-step--warning {
    border-left-color: var(--warning);
}

.page-tool--mysql-explain-visualizer .mexv-step--critical {
    border-left-color: var(--danger);
}

.page-tool--mysql-explain-visualizer .mexv-step__head {
    display: flex;
    align-items: center;
    gap: 10px;
}

.page-tool--mysql-explain-visualizer .mexv-step__num {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.6rem;
    height: 1.6rem;
    border-radius: var(--radius-pill);
    background: var(--surface-3);
    color: var(--muted);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-variant-numeric: tabular-nums;
}

.page-tool--mysql-explain-visualizer .mexv-step__title {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 8px;
    min-width: 0;
}

.page-tool--mysql-explain-visualizer .mexv-step__table {
    font-family: var(--font-mono);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--ink);
    overflow-wrap: anywhere;
}

.page-tool--mysql-explain-visualizer .mexv-step__access {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--muted);
}

.page-tool--mysql-explain-visualizer .mexv-step__metrics {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 14px;
    margin-top: 8px;
}

.page-tool--mysql-explain-visualizer .mexv-metric {
    display: inline-flex;
    align-items: baseline;
    gap: 5px;
    min-width: 0;
}

.page-tool--mysql-explain-visualizer .mexv-metric__label {
    font-family: var(--font-mono);
    font-size: 0.62rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--faint);
}

.page-tool--mysql-explain-visualizer .mexv-metric__value {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--ink-2);
    overflow-wrap: anywhere;
}

.page-tool--mysql-explain-visualizer .mexv-step__condition,
.page-tool--mysql-explain-visualizer .mexv-step__extra {
    margin: 8px 0 0;
    font-family: var(--font-mono);
    font-size: 0.76rem;
    color: var(--muted);
    overflow-wrap: anywhere;
}

.page-tool--mysql-explain-visualizer .mexv-step__notes {
    margin: 8px 0 0;
    padding-left: 1.1rem;
    color: var(--muted);
    font-size: 0.78rem;
}

.page-tool--mysql-explain-visualizer .mexv-step__positives {
    margin: 8px 0 0;
    padding-left: 1.1rem;
    color: var(--success);
    font-size: 0.78rem;
}

.page-tool--mysql-explain-visualizer .mexv-step__issues {
    list-style: none;
    margin: 10px 0 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.page-tool--mysql-explain-visualizer .mexv-issue {
    padding: 6px 9px;
    border-radius: var(--radius-sm);
    font-size: 0.78rem;
}

.page-tool--mysql-explain-visualizer .mexv-issue--warning {
    background: var(--warning-soft);
    color: var(--warning);
}

.page-tool--mysql-explain-visualizer .mexv-issue--critical {
    background: var(--danger-soft);
    color: var(--danger);
}

.page-tool--mysql-explain-visualizer .mexv-issue--info {
    background: var(--accent-soft);
    color: var(--accent);
}

.page-tool--mysql-explain-visualizer .mexv-insights {
    border-top: 1px solid var(--line);
}

.page-tool--mysql-explain-visualizer .mexv-insights:empty {
    display: none;
}

.page-tool--mysql-explain-visualizer .mexv-insights__inner {
    padding: 14px 16px 16px;
}

.page-tool--mysql-explain-visualizer .mexv-insights__title {
    margin: 0 0 10px;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
}

.page-tool--mysql-explain-visualizer .mexv-insights__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
    gap: 10px;
}

.page-tool--mysql-explain-visualizer .mexv-insight {
    padding: 10px 12px;
    border: 1px solid var(--line);
    border-left-width: 3px;
    border-radius: var(--radius-sm);
    background: var(--surface-2);
}

.page-tool--mysql-explain-visualizer .mexv-insight--good {
    border-left-color: var(--success);
}

.page-tool--mysql-explain-visualizer .mexv-insight--warning {
    border-left-color: var(--warning);
}

.page-tool--mysql-explain-visualizer .mexv-insight--critical {
    border-left-color: var(--danger);
}

.page-tool--mysql-explain-visualizer .mexv-insight--info {
    border-left-color: var(--accent);
}

.page-tool--mysql-explain-visualizer .mexv-insight__title {
    margin: 0 0 3px;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--ink);
}

.page-tool--mysql-explain-visualizer .mexv-insight__detail {
    margin: 0;
    font-size: 0.8rem;
    color: var(--muted);
}

.page-tool--mysql-explain-visualizer .mexv-about__text {
    max-width: 78ch;
    margin: 0;
    color: var(--muted);
    font-size: 0.9rem;
}

.page-tool--mysql-explain-visualizer .mexv-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--mysql-explain-visualizer .mexv-workspace {
        grid-template-columns: 1fr;
    }

    .page-tool--mysql-explain-visualizer .mexv-input-panel {
        position: static;
    }

    .page-tool--mysql-explain-visualizer .mexv-textarea {
        min-height: 15rem;
    }
}

@media (max-width: 560px) {
    .page-tool--mysql-explain-visualizer .mexv-step__head {
        align-items: flex-start;
    }

    .page-tool--mysql-explain-visualizer .mexv-toolbar__field {
        flex: 1 1 100%;
    }
}