body {
    font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, Arial, sans-serif;
}

.preview-wrap {
    position: relative;
    border-radius: 1rem;
    border: 1px solid #e2e8f0;
    background: #ffffff;
    overflow: hidden;
    min-height: 320px;
}

#editor-canvas {
    width: 100%;
    height: auto;
    display: block;
    cursor: grab;
}

#editor-canvas.is-dragging {
    cursor: grabbing;
}

.preview-empty {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    pointer-events: none;
    background: rgba(248, 250, 252, 0.9);
}

.list-group-item.active {
    background: #0d6efd;
    border-color: #0d6efd;
}

.text-layer-pill {
    font-size: 0.85rem;
    color: #475569;
}

.form-control-color {
    padding: 0.2rem;
}

.btn-group .btn.active {
    background: #0d6efd;
    color: #fff;
}

@media (max-width: 992px) {
    .preview-wrap {
        min-height: 240px;
    }
}