body {
    margin: 0;
}

.toolbar {
    position: fixed;
    top: 16px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 100;
    pointer-events: none;
    background: transparent;
    padding: 0;
}

.toolbar-inner {
    pointer-events: auto;
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 8px 12px;
    border: 1px solid #eee;
    border-radius: 10px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
    position: relative;
    background: #ffffff;
}

.chart-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4px;
}

#mindMapContainer {
    max-width: 100%;
    min-height: 1000px;
}

#mindMapContainer * {
    margin: 0;
    padding: 0;
}

.field {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin: 4px 0;
}

.field > span {
    font-size: 14px;
}

.zoom-control {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    margin-left: 2px;
}

.zoom-percent {
    min-width: 38px;
    text-align: center;
    font-weight: 400;
    font-size: 14px;
}

/* 右键菜单样式：使用 fixed 便于基于 clientX/clientY 定位 */
.context-menu {
    position: fixed;
    z-index: 1000;
    min-width: 180px;
    background: #fff;
    border: 1px solid #e5e7eb;
    box-shadow: 0 6px 18px rgba(0,0,0,0.12);
    border-radius: 6px;
    padding: 6px 0;
    user-select: none;
}

.menu-item {
    padding: 8px 12px;
    font-size: 13px;
    cursor: pointer;
    color: #374151;
}

.menu-item:hover {
    background: #f3f4f6;
}

.menu-item.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* 移动端：小于 600px 竖排显示并靠左 */
@media (max-width: 600px) {
    .toolbar {
        top: 8px;
        left: 8px;
        transform: none;
    }

    .toolbar-inner {
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
        padding: 8px;
        border-radius: 10px;
        max-width: 96vw;
    }

    /* 缩放控件仍保持横向居中 */
    .zoom-control {
        justify-content: center;
        gap: 4px;
        margin-left: 0;
        width: 100%;
    }

    .zoom-percent {
        min-width: 0;
        text-align: center;
    }

    /* 其他按钮在移动端可设置为全宽居中 */
    .toolbar-inner .ant-btn {
        width: 100%;
        justify-content: center;
    }

    /* 缩放圆形按钮保持自适应宽度 */
    .zoom-control .ant-btn {
        width: auto;
    }

    .chart-list {
        grid-template-columns: repeat(2, 1fr);
    }

    /* 新增：移动端隐藏的元素 */
    .mobile-hide {
        display: none !important;
    }
    
    .mobile-hide-text {
        display: none !important;
    }
}