/* 增强版语言切换器样式 */

/* 语言切换器容器 */
.language-switcher {
    position: relative;
}

/* 当前语言显示 */
.language-current {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.language-current:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.language-current:focus {
    outline: 2px solid rgba(255, 255, 255, 0.3);
    outline-offset: 2px;
}

/* 国旗图标 */
.flag-icon {
    width: 20px;
    height: 15px;
    object-fit: cover;
    border-radius: 2px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
    transition: transform 0.2s ease;
}

.language-current:hover .flag-icon {
    transform: scale(1.1);
}

/* 下拉箭头 */
.dropdown-arrow {
    display: inline-block;
    width: 0;
    height: 0;
    margin-left: 5px;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 5px solid white;
    transition: transform 0.2s ease;
}

.language-menu.show + .language-current .dropdown-arrow,
.language-current:hover .dropdown-arrow {
    transform: rotate(180deg);
}

/* 语言菜单 */
.language-menu {
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 200px;
    max-height: 400px;
    overflow-y: auto;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    display: none;
    padding: 8px 0;
    margin-top: 8px;
    scrollbar-width: thin;
    scrollbar-color: #ccc #f5f5f5;
}

.language-menu::-webkit-scrollbar {
    width: 6px;
}

.language-menu::-webkit-scrollbar-track {
    background: #f5f5f5;
    border-radius: 3px;
}

.language-menu::-webkit-scrollbar-thumb {
    background-color: #ccc;
    border-radius: 3px;
}

.language-menu.show {
    display: block;
    animation: fadeInDown 0.3s ease;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 语言选项 */
.language-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 15px;
    color: #333;
    text-decoration: none;
    transition: background-color 0.2s ease;
}

.language-option:hover,
.language-option:focus {
    background-color: #f5f5f5;
    outline: none;
}

.language-option:active {
    background-color: #e9e9e9;
}

/* 语言分组 */
.language-group {
    border-bottom: 1px solid #eee;
    padding-bottom: 8px;
    margin-bottom: 8px;
}

.language-group:last-child {
    border-bottom: none;
    padding-bottom: 0;
    margin-bottom: 0;
}

.language-group-title {
    padding: 5px 15px;
    font-size: 12px;
    color: #666;
    font-weight: 500;
    text-transform: uppercase;
}

/* 语言搜索框 */
.language-search {
    padding: 10px 15px;
    border-bottom: 1px solid #eee;
    margin-bottom: 8px;
}

.language-search input {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
}

.language-search input:focus {
    border-color: #4CAF50;
    outline: none;
    box-shadow: 0 0 0 2px rgba(76, 175, 80, 0.2);
}

/* 语言切换提示 */
.language-switch-prompt {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: white;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    padding: 15px;
    z-index: 1000;
    max-width: 300px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .language-menu {
        position: fixed;
        top: auto;
        bottom: 0;
        left: 0;
        right: 0;
        width: 100%;
        max-width: none;
        max-height: 60vh;
        margin-top: 0;
        border-radius: 12px 12px 0 0;
        box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
        padding-bottom: env(safe-area-inset-bottom);
    }
    
    .language-menu.show {
        animation: slideUp 0.3s ease;
    }
    
    @keyframes slideUp {
        from {
            transform: translateY(100%);
        }
        to {
            transform: translateY(0);
        }
    }
    
    .language-option {
        padding: 12px 20px;
    }
    
    .language-search {
        position: sticky;
        top: 0;
        background-color: white;
        z-index: 1;
        padding: 15px;
    }
    
    .language-switch-prompt {
        left: 20px;
        right: 20px;
        max-width: none;
    }
}

/* 深色模式支持 */
@media (prefers-color-scheme: dark) {
    .language-menu {
        background-color: #222;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    }
    
    .language-option {
        color: #eee;
    }
    
    .language-option:hover,
    .language-option:focus {
        background-color: #333;
    }
    
    .language-option:active {
        background-color: #444;
    }
    
    .language-group {
        border-bottom-color: #444;
    }
    
    .language-group-title {
        color: #999;
    }
    
    .language-search {
        border-bottom-color: #444;
    }
    
    .language-search input {
        background-color: #333;
        border-color: #555;
        color: #eee;
    }
    
    .language-search input:focus {
        border-color: #4CAF50;
    }
    
    .language-switch-prompt {
        background-color: #222;
        color: #eee;
    }
}