/* 海疆无人船多语言切换组件样式 */

/* 语言切换按钮容器 */
.language-switcher {
    position: relative;
    display: inline-block;
    z-index: 1000;
}

/* 语言切换按钮 */
.language-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
    font-weight: 500;
    color: #333;
    text-decoration: none;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.language-btn:hover {
    background: rgba(255, 255, 255, 1);
    border-color: #007bff;
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.2);
    transform: translateY(-1px);
}

.language-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(0, 123, 255, 0.3);
}

/* 语言图标 */
.language-icon {
    width: 20px;
    height: 20px;
    border-radius: 3px;
    object-fit: cover;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

/* 语言名称 */
.language-name {
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
}

/* 下拉箭头 */
.language-arrow {
    width: 12px;
    height: 12px;
    transition: transform 0.3s ease;
    fill: #666;
}

.language-switcher.active .language-arrow {
    transform: rotate(180deg);
}

/* 语言下拉菜单 */
.language-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 4px;
    background: white;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    backdrop-filter: blur(20px);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1001;
    min-width: 160px;
    overflow: hidden;
}

.language-switcher.active .language-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* 语言选项 */
.language-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    cursor: pointer;
    transition: all 0.2s ease;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    text-decoration: none;
    color: #333;
}

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

.language-option:hover {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    color: #007bff;
}

.language-option.active {
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
    color: white;
}

.language-option.active:hover {
    background: linear-gradient(135deg, #0056b3 0%, #004085 100%);
    color: white;
}

/* 语言选项图标 */
.language-option-icon {
    width: 24px;
    height: 18px;
    border-radius: 3px;
    object-fit: cover;
    border: 1px solid rgba(0, 0, 0, 0.1);
    flex-shrink: 0;
}

/* 语言选项名称 */
.language-option-name {
    font-size: 14px;
    font-weight: 500;
    flex: 1;
}

/* 语言选项代码 */
.language-option-code {
    font-size: 12px;
    color: #666;
    font-weight: 400;
}

.language-option.active .language-option-code {
    color: rgba(255, 255, 255, 0.8);
}

/* 移动端优化 */
@media (max-width: 768px) {
    .language-btn {
        padding: 6px 10px;
        font-size: 13px;
    }
    
    .language-icon {
        width: 18px;
        height: 18px;
    }
    
    .language-name {
        font-size: 13px;
    }
    
    .language-dropdown {
        min-width: 140px;
        right: -10px;
    }
    
    .language-option {
        padding: 10px 14px;
        gap: 10px;
    }
    
    .language-option-icon {
        width: 22px;
        height: 16px;
    }
    
    .language-option-name {
        font-size: 13px;
    }
    
    .language-option-code {
        font-size: 11px;
    }
}

/* 小屏幕手机优化 */
@media (max-width: 480px) {
    .language-btn {
        padding: 5px 8px;
        font-size: 12px;
    }
    
    .language-icon {
        width: 16px;
        height: 16px;
    }
    
    .language-name {
        font-size: 12px;
    }
    
    .language-dropdown {
        min-width: 120px;
        right: -15px;
    }
    
    .language-option {
        padding: 8px 12px;
        gap: 8px;
    }
    
    .language-option-icon {
        width: 20px;
        height: 15px;
    }
    
    .language-option-name {
        font-size: 12px;
    }
    
    .language-option-code {
        font-size: 10px;
    }
}

/* 深色主题支持 */
@media (prefers-color-scheme: dark) {
    .language-btn {
        background: rgba(30, 30, 30, 0.9);
        border-color: rgba(255, 255, 255, 0.1);
        color: #fff;
    }
    
    .language-btn:hover {
        background: rgba(30, 30, 30, 1);
        border-color: #007bff;
    }
    
    .language-dropdown {
        background: rgba(30, 30, 30, 0.95);
        border-color: rgba(255, 255, 255, 0.1);
    }
    
    .language-option {
        color: #fff;
        border-bottom-color: rgba(255, 255, 255, 0.1);
    }
    
    .language-option:hover {
        background: rgba(255, 255, 255, 0.1);
    }
    
    .language-option-code {
        color: #ccc;
    }
}

/* 动画效果 */
@keyframes languageSlideIn {
    from {
        opacity: 0;
        transform: translateY(-10px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes languageSlideOut {
    from {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
    to {
        opacity: 0;
        transform: translateY(-10px) scale(0.95);
    }
}

.language-dropdown.show {
    animation: languageSlideIn 0.3s ease forwards;
}

.language-dropdown.hide {
    animation: languageSlideOut 0.3s ease forwards;
}

/* 加载状态 */
.language-switcher.loading .language-btn {
    opacity: 0.6;
    cursor: not-allowed;
}

.language-switcher.loading .language-arrow {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* 错误状态 */
.language-switcher.error .language-btn {
    border-color: #dc3545;
    color: #dc3545;
}

.language-switcher.error .language-btn:hover {
    background: rgba(220, 53, 69, 0.1);
}

/* 成功状态 */
.language-switcher.success .language-btn {
    border-color: #28a745;
    color: #28a745;
}

.language-switcher.success .language-btn:hover {
    background: rgba(40, 167, 69, 0.1);
}

/* 无障碍支持 */
.language-btn:focus {
    outline: 2px solid #007bff;
    outline-offset: 2px;
}

.language-option:focus {
    outline: 2px solid #007bff;
    outline-offset: -2px;
}

/* 高对比度模式支持 */
@media (prefers-contrast: high) {
    .language-btn {
        border-width: 2px;
        background: white;
        color: black;
    }
    
    .language-dropdown {
        border-width: 2px;
        background: white;
    }
    
    .language-option {
        color: black;
        border-bottom-width: 2px;
    }
    
    .language-option:hover {
        background: #f0f0f0;
    }
}

/* 减少动画模式支持 */
@media (prefers-reduced-motion: reduce) {
    .language-btn,
    .language-dropdown,
    .language-option,
    .language-arrow {
        transition: none;
    }
    
    .language-dropdown.show,
    .language-dropdown.hide {
        animation: none;
    }
    
    .language-switcher.loading .language-arrow {
        animation: none;
    }
}

/* 移动端语言切换器样式 */
.mobile-language-switcher {
    margin-right: 10px;
}

.mobile-language-switcher .language-btn {
    padding: 6px 8px;
    font-size: 12px;
    min-width: auto;
}

.mobile-language-switcher .language-name {
    display: none;
}

.mobile-language-switcher .language-icon {
    width: 18px;
    height: 18px;
    margin-right: 0;
}

.mobile-language-switcher .language-arrow {
    display: none;
}

.mobile-language-switcher .language-dropdown {
    right: 0;
    left: auto;
    min-width: 140px;
    top: 100%;
    margin-top: 5px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .language-switcher {
        margin-left: 10px;
    }
    
    .language-btn {
        padding: 6px 10px;
        font-size: 13px;
    }
    
    .language-icon {
        width: 16px;
        height: 16px;
    }
    
    .language-dropdown {
        right: 0;
        left: auto;
        min-width: 160px;
    }
    
    /* 移动端隐藏桌面端语言切换器 */
    .language-switcher:not(.mobile-language-switcher) {
        display: none;
    }
}

@media (min-width: 769px) {
    /* 桌面端隐藏移动端语言切换器 */
    .mobile-language-switcher {
        display: none;
    }
}