/**
 * 语言选择器样式
 */

/* 语言选择器主容器 */
.language-selector {
    position: relative;
    z-index: 1000;
    margin-left: 10px;
    flex-shrink: 0;
}

/* 下拉菜单容器 */
.language-dropdown {
    position: relative;
    display: inline-block;
}

/* 切换按钮 */
.language-toggle {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 8px 12px;
    background: #2196f3;
    border: 2px solid #2196f3;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    color: #fff;
    transition: all 0.3s ease;
    min-width: 120px;
    max-width: 150px;
    white-space: nowrap;
}

.language-toggle:hover {
    background: #0056b3;
    border-color: #004085;
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.language-toggle .flag {
    font-size: 16px;
    line-height: 1;
}

.language-toggle .name {
    flex: 1;
    text-align: left;
    font-weight: 500;
}

.language-toggle .arrow {
    font-size: 12px;
    transition: transform 0.3s ease;
}

/* 下拉菜单打开状态 */
.language-dropdown.open .language-toggle .arrow {
    transform: rotate(180deg);
}

.language-dropdown.open .language-menu {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

/* 语言选项菜单 */
.language-menu {
    position: absolute;
    top: 100%;
    right: 0;
    left: auto;
    min-width: 120px;
    background: #fff;
    border: 1px solid #ddd;
    border-top: none;
    border-radius: 0 0 4px 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    list-style: none;
    margin: 0;
    padding: 0;
    display: none;
    opacity: 1;
    transform: translateY(0);
    transition: all 0.3s ease;
    z-index: 1001;
}

/* 语言选项 */
.language-option {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 15px;
    cursor: pointer;
    transition: background-color 0.2s ease;
    border-bottom: 1px solid #f0f0f0;
}

.language-option:last-child {
    border-bottom: none;
}

.language-option:hover {
    background: #f8f9fa;
}

.language-option.active {
    background: #e3f2fd;
    color: #1976d2;
}

.language-option .flag {
    font-size: 16px;
    line-height: 1;
}

.language-option .name {
    flex: 1;
    font-weight: 500;
}

/* 加载状态 */
.language-selector.loading .language-toggle {
    opacity: 0.6;
    pointer-events: none;
}

.language-selector.loading .language-toggle::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 16px;
    height: 16px;
    margin: -8px 0 0 -8px;
    border: 2px solid #007bff;
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .language-selector {
        margin-right: 10px;
    }
    
    .language-toggle {
        padding: 6px 10px;
        font-size: 13px;
        min-width: 90px;
    }
    
    .language-menu {
        min-width: 110px;
    }
    
    .language-option {
        padding: 8px 12px;
    }
}

/* 深色主题支持 */
@media (prefers-color-scheme: dark) {
    .language-toggle {
        background: #333;
        border-color: #555;
        color: #fff;
    }
    
    .language-toggle:hover {
        background: #444;
        border-color: #666;
    }
    
    .language-menu {
        background: #333;
        border-color: #555;
    }
    
    .language-option {
        border-bottom-color: #444;
    }
    
    .language-option:hover {
        background: #444;
    }
    
    .language-option.active {
        background: #1e3a5f;
        color: #64b5f6;
    }
}

/* 高对比度模式 */
@media (prefers-contrast: high) {
    .language-toggle {
        border-width: 2px;
    }
    
    .language-option.active {
        background: #0066cc;
        color: #fff;
    }
}