/**
 * Atex Lab v1 — トップ / privacy / support 共通の言語ドロップダウン＋表示設定ボタン
 * 正: 左＝言語、右＝設定（.header-actions 内の DOM 順）
 */
.lang-dropdown-wrapper {
    position: relative;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
}

.header-actions--landing {
    position: absolute;
    top: 0;
    right: 0;
    justify-content: flex-end;
}

.settings-btn,
.lang-btn {
    width: 36px;
    height: 36px;
    padding: 0;
    border: none;
    border-radius: 8px;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s, color 0.2s;
}

.settings-btn:hover,
.lang-btn:hover {
    background: var(--border);
    color: var(--text);
}

.settings-btn svg,
.lang-btn svg {
    width: 22px;
    height: 22px;
}

.lang-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 4px;
    min-width: 160px;
    max-height: 70vh;
    overflow-y: auto;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    z-index: 1001;
}

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

.lang-option {
    display: block;
    width: 100%;
    padding: 10px 14px;
    border: none;
    background: none;
    font: inherit;
    font-size: 14px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
    color: var(--text);
    text-align: left;
    cursor: pointer;
    transition: background 0.2s;
}

.lang-option:hover {
    background: var(--border);
}

.lang-option.is-selected {
    font-weight: 600;
    color: var(--accent);
}

.lang-option-flag {
    font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
}