.language-switcher {
    position: relative;
    flex-shrink: 0;
    color: var(--text-dark);
    font-size: 0.85rem;
}
.language-switcher summary {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    box-sizing: border-box;
    min-height: 44px;
    padding: 0 10px;
    border-radius: 22px;
    cursor: pointer;
    list-style: none;
    font-weight: 500;
}
.language-switcher summary::-webkit-details-marker { display: none; }
.language-switcher summary:hover,
.language-switcher[open] summary { background: var(--background-light); }
.language-switcher summary:focus-visible,
.language-options a:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.language-options {
    position: absolute;
    right: 0;
    top: calc(100% + 8px);
    width: 220px;
    max-height: min(440px, 70vh);
    overflow-y: auto;
    margin: 0;
    padding: 6px;
    list-style: none;
    border: 1px solid var(--shadow-medium);
    border-radius: 16px;
    background: var(--background-white);
    box-shadow: 0 8px 28px var(--shadow-medium);
}
.language-options a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 44px;
    padding: 0 12px;
    border-radius: 10px;
    color: var(--text-dark);
    text-decoration: none;
}
.language-options a:hover,
.language-options a[aria-current] { background: var(--background-light); color: var(--primary); }
@media (max-width: 800px) {
    .header .support-btn { display: none; }
    .header .nav { padding-left: 12px; padding-right: 12px; gap: 8px; }
    .header .nav-actions { gap: 4px; }
    .header .nav-brand .logo { max-width: 150px; height: auto; max-height: 48px; }
}
@media (max-width: 480px) {
    .language-options { position: fixed; right: 12px; top: 60px; }
    .language-switcher summary { padding: 0 6px; gap: 4px; }
    .language-switcher summary > span,
    .language-chevron { display: none; }
    .language-switcher summary { min-width: 44px; }
    .header .nav-brand .logo { max-width: 85px; height: auto; max-height: 42px; }
    .header .nav-brand span { font-size: 1.5rem; margin-left: 4px; letter-spacing: 0; }
    .header .download-btn { width: auto; min-width: 120px; font-size: 0.75rem; }
}
@media (min-width: 360px) and (max-width: 480px) {
    .header .nav-brand .logo { max-width: 120px; }
}