/* ============================================================
 * i18n.css — 语言切换器样式
 * 仅服务于导航栏右上角的 EN | 中 切换控件，不影响其他模块
 * ============================================================ */

.lang-switcher {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin: 0 12px 0 4px;
    padding: 4px 8px;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.10);
    background: rgba(255, 255, 255, 0.02);
    user-select: none;
    font-family: 'Outfit', sans-serif;
    font-size: 12px;
    font-weight: 500;
    line-height: 1;
    transition: border-color 0.18s ease, background 0.18s ease;
}

.lang-switcher:hover {
    border-color: rgba(255, 255, 255, 0.22);
    background: rgba(255, 255, 255, 0.04);
}

.lang-switcher .lang-btn {
    background: transparent;
    border: 0;
    padding: 4px 6px;
    border-radius: 4px;
    color: var(--text-secondary, #9aaabb);
    cursor: pointer;
    letter-spacing: 0.04em;
    transition: color 0.18s ease, background 0.18s ease;
    font: inherit;
}

.lang-switcher .lang-btn:hover {
    color: var(--text-primary, #edf0f8);
}

.lang-switcher .lang-btn.active {
    color: var(--text-primary, #edf0f8);
    background: rgba(0, 204, 128, 0.12);
}

.lang-switcher .lang-sep {
    color: rgba(255, 255, 255, 0.18);
    font-weight: 300;
    pointer-events: none;
}

/* 移动端紧凑：和登录按钮挤一行时缩小一点 */
@media (max-width: 768px) {
    .lang-switcher {
        margin: 0 6px 0 0;
        padding: 3px 6px;
        font-size: 11px;
    }
    .lang-switcher .lang-btn {
        padding: 3px 5px;
    }
}