.xmd-codebox {
    position: relative;
    margin: 1rem 0;
    border-radius: 4px;
    overflow: hidden;
    background-color: #f5f5f5;
    border: 1px solid #e5e5e5;
}

.xmd-codebox-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 1rem;
    background-color: #eaeaea;
    color: #333;
    font-size: 0.875rem;
}

.xmd-codebox-lang {
    font-weight: 500;
}

.xmd-codebox-copy {
    background: none;
    border: none;
    color: #4a5568;
    text-decoration: none;
    cursor: pointer;
    font-size: inherit;
    padding: 0;
    transition: color 0.2s;
}

.xmd-codebox-copy:hover {
    color: #2d3748;
}

.xmd-codeblock-pre {
    margin: 0;
    padding: 1rem;
    overflow-x: auto;
}

.xmd-codeblock-code {
    font-family: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    font-size: 0.875rem;
    line-height: 1.5;
}