/* 语言切换器样式 */

/* 导航栏中的语言切换器容器 */
.language-switcher-item {
    position: relative;
    display: flex;
    align-items: center;
}

/* 语言切换按钮 */
.language-switcher-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.2rem;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 10px;
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    font-weight: 500;
    white-space: nowrap;
}

.language-switcher-btn:hover {
    background: rgba(99, 102, 241, 0.2);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.language-switcher-btn i:first-child {
    font-size: 1.1rem;
    color: var(--primary-color);
}

.language-switcher-btn i:last-child {
    font-size: 0.8rem;
    transition: transform 0.3s;
}

.language-switcher-item.active .language-switcher-btn i:last-child {
    transform: rotate(180deg);
}

/* 语言下拉菜单 */
.language-dropdown {
    position: absolute;
    top: calc(100% + 0.75rem);
    right: 0;
    background: #3d4856;
    background: linear-gradient(135deg, #3d4856 0%, #404954 100%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(255, 255, 255, 0.05);
    min-width: 240px;
    max-height: 480px;
    overflow-y: auto;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px) scale(0.95);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
}

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

/* 语言选项 */
.language-option {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 1rem;
    cursor: pointer;
    transition: all 0.25s ease;
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.language-option:first-child {
    border-radius: 12px 12px 0 0;
}

.language-option:last-child {
    border-bottom: none;
    border-radius: 0 0 12px 12px;
}

.language-option:hover {
    background: rgba(255, 255, 255, 0.1);
    padding-left: 1.2rem;
}

.language-option.active {
    background: rgba(127, 157, 172, 0.25);
    border-left: 3px solid #7F9DAC;
}

/* 国家代码标识 */
.language-option .lang-code {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 38px;
    height: 28px;
    padding: 0 8px;
    background: linear-gradient(135deg, #5A6B75, #475569);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    border-radius: 6px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.language-option:hover .lang-code {
    background: linear-gradient(135deg, #7F9DAC, #5A6B75);
    transform: scale(1.05);
}

.language-option.active .lang-code {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    box-shadow: 0 3px 8px rgba(127, 157, 172, 0.4);
}

/* 语言名称 */
.language-option .lang-name {
    flex: 1;
    font-size: 0.95rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
}

.language-option:hover .lang-name {
    color: white;
}

.language-option.active .lang-name {
    color: white;
    font-weight: 600;
}

/* 旗帜emoji（如果使用） */
.language-option .flag {
    font-size: 1.5rem;
    width: 28px;
    text-align: center;
    line-height: 1;
}

/* 旧版兼容样式 */
.language-switcher {
    position: relative;
    display: inline-block;
}

.lang-button {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.3s;
    font-size: 0.9rem;
}

.lang-button:hover {
    border-color: var(--primary-color);
    background: var(--bg-light);
}

.lang-button i {
    font-size: 1.1rem;
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    min-width: 200px;
    max-height: 400px;
    overflow-y: auto;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s;
}

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

.lang-dropdown-header {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    color: var(--text-color);
}

.lang-options {
    padding: 0.5rem;
}

.lang-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
    color: var(--text-color);
    text-decoration: none;
}

.lang-option:hover {
    background: var(--bg-light);
}

.lang-option.active {
    background: var(--primary-color);
    color: white;
}

.lang-flag {
    font-size: 1.5rem;
    width: 24px;
    text-align: center;
}

.lang-name {
    flex: 1;
    font-size: 0.9rem;
}

.lang-code {
    font-size: 0.75rem;
    color: var(--text-muted);
}

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

/* 响应式 */
@media (max-width: 768px) {
    .lang-dropdown {
        right: auto;
        left: 0;
        max-width: 90vw;
    }
}

/* 滚动条样式 */
.lang-dropdown::-webkit-scrollbar {
    width: 6px;
}

.lang-dropdown::-webkit-scrollbar-track {
    background: var(--bg-card);
}

.lang-dropdown::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.lang-dropdown::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}