/* 国际化支持相关样式 */

/* 语言切换下拉菜单 */
.language-switcher {
    position: relative;
    margin-left: var(--spacing-md);
}

.language-switcher select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--backdrop-blur));
    -webkit-backdrop-filter: blur(var(--backdrop-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    padding: 0.5rem 2rem 0.5rem 1rem;
    font-size: 0.9rem;
    color: var(--text-color);
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.language-switcher::after {
    content: "▼";
    position: absolute;
    right: 0.8rem;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    font-size: 0.7rem;
    color: var(--accent-color);
    transition: var(--transition);
}

.language-switcher:hover::after {
    transform: translateY(-50%) rotate(180deg);
}

.language-switcher select:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--accent-color);
}

.language-switcher select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(0, 113, 227, 0.2);
}

/* 多语言文本过渡效果 */
[data-i18n] {
    transition: opacity 0.3s ease;
}

.i18n-fade {
    opacity: 0.5;
    transition: opacity 0.3s ease-in-out;
}

/* 当前语言高亮 */
.language-switcher select option {
    background-color: #fff;
    color: #333;
}

.language-switcher select option:checked {
    background-color: var(--accent-color);
    color: white;
}

/* 语言选择器样式 */
.language-selector {
    display: inline-flex;
    align-items: center;
    margin-left: 15px;
    position: relative;
}

.language-selector select {
    appearance: none;
    background-color: transparent;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 4px;
    color: var(--text-color);
    cursor: pointer;
    font-size: 14px;
    padding: 5px 24px 5px 10px;
    transition: all 0.2s ease;
}

.language-selector select:hover {
    border-color: var(--primary-color);
}

.language-selector select:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(0, 113, 227, 0.2);
}

.language-selector::after {
    content: "";
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 5px solid var(--text-color);
    pointer-events: none;
}

/* 针对不同语言的特定样式调整 */
html[lang="zh-CN"] .article-title {
    line-height: 1.4;
}

html[lang="en"] .article-title {
    line-height: 1.3;
}

/* 针对不同语言的字体调整 */
html[lang="zh-CN"] body {
    font-family: 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
}

html[lang="en"] body {
    font-family: 'Inter', 'Helvetica Neue', Arial, sans-serif;
}

/* 当前语言标识样式 */
.language-indicator {
    display: inline-block;
    margin-left: 5px;
    font-size: 12px;
    padding: 2px 6px;
    border-radius: 3px;
    background-color: var(--primary-color);
    color: white;
    text-transform: uppercase;
}

/* 媒体查询，适配移动设备 */
@media (max-width: 768px) {
    .language-selector {
        margin-left: 10px;
    }
    
    .language-selector select {
        font-size: 13px;
        padding: 4px 20px 4px 8px;
    }
}