/* Bascule de langue, accordee aux deux themes du site. */
.lang-switch {
    display: inline-flex;
    overflow: hidden;
    border-radius: 9999px;
    border: 1px solid rgb(0 0 0 / 0.12);
    font-size: 0.6875rem;
    font-weight: 700;
    line-height: 1;
}
html[data-theme="dark"] .lang-switch { border-color: rgb(255 255 255 / 0.18); }

.lang-switch button {
    padding: 0.45rem 0.6rem;
    background: transparent;
    color: inherit;
    opacity: 0.55;
    transition: background-color 0.15s, opacity 0.15s;
    cursor: pointer;
}
.lang-switch button:hover { opacity: 0.85; }
.lang-switch button.lang-active {
    background-color: #4f46e5;
    color: #ffffff;
    opacity: 1;
}
html[data-theme="dark"] .lang-switch button.lang-active { background-color: #6366f1; }