/* 国际化语言选择器样式 */
.language-selector {
    position: relative;
}

.language-selector .dropdown-toggle {
    border: 1px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    font-size: 0.9rem;
    padding: 0.375rem 0.75rem;
    transition: all 0.3s ease;
}

.language-selector .dropdown-toggle:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    color: #fff;
}

.language-selector .dropdown-toggle:focus {
    box-shadow: 0 0 0 0.2rem rgba(255, 255, 255, 0.25);
    color: #fff;
}

.language-selector .dropdown-toggle::after {
    margin-left: 0.5rem;
}

.language-selector .language-text {
    margin-left: 0.25rem;
    font-size: 0.85rem;
}

.language-selector .dropdown-menu {
    background: rgba(0, 0, 0, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    min-width: 150px;
}

.language-selector .dropdown-item {
    color: #fff;
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.language-selector .dropdown-item:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #ffd700;
}

.language-selector .dropdown-item.active {
    background: linear-gradient(135deg, #ffd700, #ffed4e);
    color: #000;
    font-weight: 600;
}

.language-selector .dropdown-item.active:hover {
    background: linear-gradient(135deg, #ffed4e, #ffd700);
    color: #000;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .language-selector .language-text {
        display: inline;
        font-size: 0.9rem;
    }
    
    .language-selector .dropdown-toggle {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
        width: 100%;
        text-align: left;
        margin-bottom: 0.5rem;
        border-radius: 6px;
        justify-content: flex-start;
        display: flex;
        align-items: center;
    }
    
    .language-selector .dropdown-toggle .fas {
        margin-right: 0.5rem;
    }
    
    .language-selector .dropdown-toggle::after {
        margin-left: auto;
    }
    
    .language-selector {
        width: 100%;
        margin-bottom: 0.5rem;
        margin-right: 0 !important;
    }
    
    .language-selector .dropdown-menu {
        width: 100%;
        position: static !important;
        transform: none !important;
        margin-top: 0;
        box-shadow: none;
        border: none;
        background: rgba(255, 255, 255, 0.05);
        border-radius: 6px;
    }
    
    .language-selector .dropdown-item {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }
}

/* RTL语言支持 */
[dir="rtl"] .language-selector .dropdown-toggle::after {
    margin-left: 0;
    margin-right: 0.5rem;
}

[dir="rtl"] .language-selector .language-text {
    margin-left: 0;
    margin-right: 0.25rem;
}

/* 语言切换动画 */
.language-fade-enter {
    opacity: 0;
    transform: translateY(-10px);
}

.language-fade-enter-active {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.language-fade-exit {
    opacity: 1;
    transform: translateY(0);
}

.language-fade-exit-active {
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

/* 加载状态 */
.language-loading {
    position: relative;
}

.language-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 16px;
    height: 16px;
    margin: -8px 0 0 -8px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #ffd700;
    animation: language-spinner 0.8s linear infinite;
}

@keyframes language-spinner {
    to {
        transform: rotate(360deg);
    }
}