/* Mac 风格关闭样式 */
.code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.mac-controls {
    display: flex;
    align-items: center;
}

.mac-close-btn {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: none;
    background: #ff5f57;
    color: #8b0000;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    padding: 0;
    margin: 0;
}

.mac-close-btn:hover {
    background: #ff3b30;
    transform: scale(1.1);
}

.mac-close-btn svg {
    opacity: 0;
    transition: opacity 0.2s ease;
}

.mac-close-btn:hover svg {
    opacity: 1;
}

/* 移出动画 */
#code-preview-container {
    transition: all 0.5s ease;
}