/* =========================================================================
   Sélecteur de langue — dropdown V2 muséal (header)
   ========================================================================= */

.lang-dropdown {
    position: relative;
}

.lang-dropdown details > summary,
.lang-dropdown .lang-summary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    min-height: 34px;
    box-sizing: border-box;
    border: 1px solid var(--border-strong);
    background: var(--museum-white);
    color: var(--museum-black);
    font-size: .72rem;
    font-weight: 600;
    letter-spacing: .1em;
    text-transform: uppercase;
    border-radius: 0;
    cursor: pointer;
    list-style: none;
    user-select: none;
    transition: border-color var(--t-fast), background var(--t-fast), color var(--t-fast);
}

.lang-dropdown details > summary::-webkit-details-marker,
.lang-dropdown .lang-summary::-webkit-details-marker {
    display: none;
}

.lang-dropdown details > summary::marker,
.lang-dropdown .lang-summary::marker {
    content: "";
}

.lang-dropdown details[open] > summary,
.lang-dropdown details > summary:hover {
    background: var(--museum-gray);
    border-color: var(--museum-black);
    color: var(--museum-black);
    box-shadow: none !important;
}

.lang-current {
    display: inline-flex;
    align-items: center;
    line-height: 0;
}

.lang-current .flag-svg {
    width: 20px;
    height: 13px;
    display: block;
    border: 1px solid var(--border);
    box-shadow: none;
    object-fit: cover;
}

.lang-current-code {
    font-size: inherit;
    letter-spacing: inherit;
    line-height: 1;
}

.lang-dropdown .cta-caret {
    font-size: .6rem;
    opacity: .55;
    margin-left: 2px;
    transition: transform var(--t-fast);
}

.lang-dropdown details[open] .cta-caret {
    transform: rotate(180deg);
}

/* Panneau */
.lang-menu {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    min-width: 210px;
    margin: 0;
    padding: 4px;
    background: var(--museum-white);
    border: 1px solid var(--museum-black);
    border-radius: 0;
    box-shadow: none !important;
    z-index: 120;
}

.lang-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 0;
    text-decoration: none;
    color: var(--museum-black);
    font-size: .85rem;
    font-weight: 500;
    letter-spacing: 0;
    text-transform: none;
    border: 1px solid transparent;
    transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast);
}

.lang-option .flag-svg {
    width: 22px;
    height: 14px;
    flex-shrink: 0;
    border: 1px solid var(--border);
    box-shadow: none;
    object-fit: cover;
}

.lang-option .lang-label {
    flex: 1;
    min-width: 0;
}

.lang-option:hover {
    background: var(--museum-gray) !important;
    color: var(--museum-black) !important;
    background-image: none !important;
}

.lang-option.is-active {
    background: var(--museum-black) !important;
    color: var(--museum-white) !important;
    font-weight: 600;
    border-color: var(--museum-black);
    background-image: none !important;
}

.lang-option.is-active .flag-svg {
    border-color: rgba(255, 255, 255, .35);
}

.lang-check {
    color: var(--museum-gold);
    font-weight: 700;
    font-size: .8rem;
    flex-shrink: 0;
}

.lang-option.is-active .lang-check {
    color: var(--museum-gold);
}

/* Alignement nav compacte (desktop) */
@media (min-width: 880px) {
    .nav-end-list .lang-dropdown details > summary {
        height: 34px;
        min-height: 34px;
        padding: 0 12px;
    }
}

@media (max-width: 540px) {
    .lang-current-code {
        display: inline;
    }
}

/* Mobile : panneau nav */
@media (max-width: 860px) {
    .nav-list .lang-dropdown {
        width: 100%;
    }

    .nav-list .lang-dropdown details > summary {
        width: 100%;
        justify-content: space-between;
        min-height: 44px;
        height: auto !important;
        padding: 12px 14px !important;
        border: 1px solid var(--border);
        font-size: .8rem;
    }

    .nav-list .lang-dropdown .lang-menu {
        position: static !important;
        width: 100%;
        min-width: 0;
        margin: 4px 0 8px;
        right: auto;
        left: auto;
        border: 1px solid var(--border);
        padding: 4px;
        z-index: auto;
    }

    .lang-option {
        padding: 12px 14px;
    }
}