.lang-switcher {
    position: relative;
    flex-shrink: 0;
}

.site-nav .lang-switcher {
    position: sticky;
    right: 0;
    z-index: 1;
}

.lang-toggle {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    cursor: pointer;
    font-family: var(--font-body);
    font-weight: 600;
}

.lang-globe {
    color: var(--cyan-bright);
    flex-shrink: 0;
}

.lang-toggle-code {
    font-size: 13px;
    letter-spacing: 0.02em;
}

.lang-caret {
    color: var(--muted);
    transition: transform 160ms ease;
    flex-shrink: 0;
}

.lang-toggle[aria-expanded="true"] .lang-caret {
    transform: rotate(180deg);
}

.lang-backdrop {
    position: fixed;
    inset: 0;
    z-index: 149;
    display: none;
    background: transparent;
}

.lang-backdrop.is-open {
    display: block;
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    z-index: 150;
    display: none;
    min-width: 168px;
    margin: 0;
    padding: 6px;
    list-style: none;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: rgba(6, 14, 26, 0.98);
    box-shadow: var(--shadow);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
}

.lang-dropdown.is-open {
    display: block;
    animation: lang-dropdown-in 140ms ease;
}

@keyframes lang-dropdown-in {
    from {
        opacity: 0;
        transform: translateY(-4px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.lang-option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 9px 12px;
    border-radius: 8px;
    color: var(--muted-strong);
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
    cursor: pointer;
    transition: background 120ms ease, color 120ms ease;
}

.lang-option:hover,
.lang-option:focus-visible {
    color: var(--ink);
    background: rgba(255, 255, 255, 0.06);
}

.lang-option.is-active {
    color: var(--cyan-bright);
    background: rgba(120, 207, 231, 0.12);
}

.lang-option-code {
    color: var(--muted);
    font-size: 11px;
    letter-spacing: 0.04em;
}

.lang-option.is-active .lang-option-code {
    color: var(--cyan-bright);
}

@media (max-width: 820px) {
    .site-nav .lang-switcher {
        position: static;
        margin-top: 8px;
    }

    .lang-toggle {
        width: 100%;
        justify-content: center;
        margin: 0;
        padding: 8px 12px;
        font-size: 11px;
        text-align: center;
    }

    .lang-dropdown {
        /* Must stay a positioned element (not static) so its z-index still
           wins against the fixed full-screen backdrop; relative keeps the
           same in-flow placement static would have given it. */
        position: relative;
        top: auto;
        right: auto;
        margin-top: 6px;
        width: 100%;
    }

    html:not(.js) .site-nav .lang-switcher {
        display: none;
    }
}