/* VITA i18n 语言切换器样式 */
.vita-lang-switch {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    padding: 3px;
    margin-right: 12px;
    background: rgba(15, 30, 51, 0.06);
    border-radius: 999px;
    font-family: var(--font-stack, system-ui, sans-serif);
}
.vita-lang-switch button {
    appearance: none;
    border: 0;
    background: transparent;
    color: var(--color-text-2, #637381);
    padding: 5px 10px;
    font-size: 12px;
    font-weight: 600;
    line-height: 1;
    letter-spacing: .02em;
    border-radius: 999px;
    cursor: pointer;
    transition: background .18s ease, color .18s ease;
    min-width: 30px;
}
.vita-lang-switch button:hover {
    color: var(--color-text, #212B36);
}
.vita-lang-switch button.active {
    background: var(--color-primary, #00C896);
    color: #fff;
    box-shadow: 0 2px 6px rgba(0, 200, 150, 0.28);
}

/* 悬浮态(找不到导航容器时的兜底) */
.vita-lang-switch-floating {
    position: fixed;
    top: 14px;
    right: 14px;
    z-index: 9999;
    background: #fff;
    box-shadow: 0 6px 20px rgba(26, 44, 66, 0.14);
    padding: 4px;
    margin-right: 0;
}

/* 深色场景下的暗色变体 */
.section-bg-dark .vita-lang-switch,
.site-header.scrolled .vita-lang-switch {
    background: rgba(255, 255, 255, 0.08);
}

/* 移动端:切换器保持可见,尺寸略缩 */
@media (max-width: 768px) {
    .vita-lang-switch {
        margin-right: 8px;
        padding: 2px;
    }
    .vita-lang-switch button {
        padding: 4px 8px;
        font-size: 11px;
        min-width: 26px;
    }
}

/* 英文未命中字典时的占位提示(仅开发时观察用) */
html[data-vita-lang="en"] [data-i18n-missing]::before {
    content: "⚠︎";
    color: #FF6B35;
    margin-right: 2px;
}