.page-tool--z-index-planner .tool-page {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.page-tool--z-index-planner .zplanner-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 16px;
    align-items: start;
}

.page-tool--z-index-planner .zplanner-visual {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.page-tool--z-index-planner .zplanner-plan__body {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.page-tool--z-index-planner .zplanner-plan__actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.page-tool--z-index-planner .zplanner-scale-controls {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr);
    gap: 12px;
    align-items: end;
}

.page-tool--z-index-planner .zplanner-step__row {
    display: flex;
    align-items: center;
    gap: 10px;
}

.page-tool--z-index-planner .zplanner-step__row input[type="range"] {
    flex: 1 1 auto;
    min-width: 0;
    accent-color: var(--accent);
}

.page-tool--z-index-planner .zplanner-step__row .input {
    flex: 0 0 5.5rem;
}

.page-tool--z-index-planner .zplanner-layers {
    display: flex;
    flex-direction: column;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.page-tool--z-index-planner .zplanner-layer {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 7px 10px;
    border-bottom: 1px solid var(--line);
    background: var(--surface);
}

.page-tool--z-index-planner .zplanner-layer:nth-child(even) {
    background: var(--surface-2);
}

.page-tool--z-index-planner .zplanner-layer:last-child {
    border-bottom: 0;
}

.page-tool--z-index-planner .zplanner-layer__swatch {
    flex: 0 0 auto;
    width: 12px;
    height: 12px;
    border-radius: 3px;
}

.page-tool--z-index-planner .zplanner-layer__name {
    flex: 1 1 auto;
    min-width: 0;
    padding: 6px 9px;
    font-size: 0.85rem;
}

.page-tool--z-index-planner .zplanner-layer__value {
    flex: 0 0 auto;
    min-width: 4.5rem;
    text-align: right;
    font-family: var(--font-mono);
    font-size: 0.76rem;
    color: var(--muted);
    font-variant-numeric: tabular-nums;
}

.page-tool--z-index-planner .zplanner-layer__actions {
    display: flex;
    flex: 0 0 auto;
    gap: 4px;
}

.page-tool--z-index-planner .zplanner-icon {
    min-width: 2rem;
    padding-left: 0;
    padding-right: 0;
    font-family: var(--font-mono);
    line-height: 1;
}

.page-tool--z-index-planner .tool-hint {
    margin: 0;
    color: var(--muted);
    font-size: 0.8rem;
}

.page-tool--z-index-planner .zplanner-status {
    margin: 0 0 12px;
}

.page-tool--z-index-planner .zplanner-stage {
    position: relative;
    min-height: 80px;
    border: 1px dashed var(--line-strong);
    border-radius: var(--radius-sm);
    background: var(--surface-2);
    overflow: hidden;
}

.page-tool--z-index-planner .zplanner-stage .empty-state {
    border: 0;
    border-radius: 0;
    background: transparent;
    padding: 2rem 1.25rem;
}

.page-tool--z-index-planner .zplanner-card {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 78%;
    box-sizing: border-box;
    height: 56px;
    padding: 8px 12px;
    border: 1px solid;
    border-radius: 10px;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 8px;
}

.page-tool--z-index-planner .zplanner-card__name {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--ink);
}

.page-tool--z-index-planner .zplanner-card__value {
    flex: 0 0 auto;
    font-family: var(--font-mono);
    font-size: 0.74rem;
    color: var(--ink-2);
    font-variant-numeric: tabular-nums;
}

.page-tool--z-index-planner .zplanner-code {
    max-height: 22rem;
    white-space: pre;
    word-break: normal;
}

.page-tool--z-index-planner .zplanner-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}

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

.page-tool--z-index-planner .zplanner-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--z-index-planner .zplanner-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .page-tool--z-index-planner .zplanner-scale-controls {
        grid-template-columns: 1fr;
    }

    .page-tool--z-index-planner .zplanner-plan__actions {
        flex-wrap: wrap;
        justify-content: flex-end;
    }

    .page-tool--z-index-planner .zplanner-layer {
        flex-wrap: wrap;
        row-gap: 6px;
    }

    .page-tool--z-index-planner .zplanner-layer__value {
        min-width: 0;
    }

    .page-tool--z-index-planner .zplanner-layer__actions {
        flex: 1 1 100%;
        justify-content: flex-end;
    }
}