.json-preview-wrap {
    border: 1px solid #dee2e6;
    border-radius: 0.5rem;
    background: #fff;
}

.json-preview-toolbar {
    border-bottom: 1px solid #e9ecef;
    background: #f8f9fa;
    padding: 0.75rem;
}

.json-preview {
    max-height: 360px;
    overflow: auto;
    margin: 0;
    padding: 0.9rem;
    font-size: 0.85rem;
    line-height: 1.45;
    background: #0b1f36;
    color: #d6ecff;
}

.sheet-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: 0.45rem;
}

.stat-box {
    border: 1px solid #dee2e6;
    border-radius: 0.5rem;
    padding: 0.55rem 0.65rem;
    text-align: center;
    height: 100%;
}

.stat-box .label {
    display: block;
    font-size: 0.78rem;
    color: #6c757d;
}

.stat-box .value {
    display: block;
    font-size: 1.05rem;
    font-weight: 600;
    margin-top: 0.1rem;
}

.small-note {
    font-size: 0.82rem;
    color: #6c757d;
}

@media (max-width: 767px) {
    .json-preview {
        max-height: 280px;
    }
}