/* 国际化语言选择器样式 */
.language-selector {
    position: relative;
    margin-left: 0.5rem;
}

.language-dropdown {
    position: relative;
    display: inline-block;
}

.language-dropdown-button {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #f0f6fc;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    min-width: 80px;
    user-select: none;
}

.language-dropdown-button:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-1px);
}

.language-dropdown-button:focus {
    outline: none;
    box-shadow: 0 0 0 2px rgba(102, 126, 234, 0.5);
}

.language-dropdown-arrow {
    font-size: 0.7rem;
    transition: transform 0.2s ease;
}

.language-dropdown.open .language-dropdown-arrow {
    transform: rotate(180deg);
}

.language-dropdown-menu {
    position: absolute;
    top: calc(100% + 5px);
    right: 0;
    background: #ffffff;
    border: 1px solid #d1d9e0;
    border-radius: 6px;
    box-shadow: 0 8px 24px rgba(140, 149, 159, 0.2);
    z-index: 1000;
    min-width: 120px;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
}

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

.language-dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    color: #24292f;
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s ease;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
}

.language-dropdown-item:hover {
    background-color: #f6f8fa;
}

.language-dropdown-item.active {
    background-color: #0969da;
    color: #ffffff;
}

.language-dropdown-item.active:hover {
    background-color: #0860ca;
}

.language-flag {
    font-size: 1.1rem;
}

.language-name {
    flex: 1;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .language-selector {
        margin-left: 0.25rem;
    }
    
    nav .nav-links {
        gap: 1rem;
    }
    
    .language-dropdown-button {
        padding: 0.4rem 0.6rem;
        font-size: 0.8rem;
        min-width: 70px;
    }
    
    .language-dropdown-menu {
        min-width: 100px;
    }
    
    .language-dropdown-item {
        padding: 0.6rem 0.8rem;
        font-size: 0.8rem;
    }
}

/* 确保导航栏有足够空间 */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: nowrap;
    width: 100%;
    padding: 0 1rem;
}

nav .nav-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

/* 为index.html页面特殊样式 */
.hero-image img,
.screenshot-item img,
.grafana-item img {
    transition: transform 0.3s ease;
}

/* 语言切换动画 */
[data-i18n] {
    transition: opacity 0.2s ease;
}

.language-switching [data-i18n] {
    opacity: 0.7;
}