/**
 * FF14.tw 語言切換器樣式
 * 位置：導航列右側
 * 支援：深色模式、響應式設計
 */

/* 語言切換器容器 */
.language-switcher {
    display: flex;
    gap: 0.25rem;
    align-items: center;
    padding: 0.25rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    backdrop-filter: blur(4px);
}

/* 語言按鈕 */
.language-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    padding: 0.375rem 0.625rem;
    border: none;
    background: transparent;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.8125rem;
    font-weight: 500;
    font-family: inherit;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.language-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.language-btn:focus {
    outline: none;
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.4);
}

.language-btn:focus:not(:focus-visible) {
    box-shadow: none;
}

.language-btn:focus-visible {
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.4);
}

/* 選中狀態 */
.language-btn.active {
    background: rgba(255, 255, 255, 0.95);
    color: var(--dark-color, #2c3e50);
    font-weight: 600;
}

.language-btn.active:hover {
    background: white;
}

/* 響應式：平板及以上 */
@media (min-width: 768px) {
    .language-btn {
        padding: 0.375rem 0.75rem;
    }
}

/* 響應式：手機版 */
@media (max-width: 767px) {
    .language-switcher {
        /* 手機版保持緊湊 */
        padding: 0.125rem;
        gap: 0.125rem;
    }

    .language-btn {
        padding: 0.375rem 0.5rem;
    }
}

/* 導航列摺疊時的樣式（用於 hamburger menu） */
@media (max-width: 480px) {
    /* 當導航列顯示為垂直選單時 */
    .nav.nav-open .language-switcher {
        width: 100%;
        justify-content: center;
        margin: 1rem 0;
        padding: 0.5rem;
        background: rgba(255, 255, 255, 0.15);
    }

    .nav.nav-open .language-btn {
        padding: 0.5rem 1rem;
    }
}

/* 深色模式調整 */
[data-theme="dark"] .language-switcher {
    background: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .language-btn {
    color: rgba(255, 255, 255, 0.7);
}

[data-theme="dark"] .language-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    color: white;
}

[data-theme="dark"] .language-btn.active {
    background: rgba(255, 255, 255, 0.9);
    color: var(--dark-color, #1a1d2e);
}

/* 動畫效果 */
.language-btn {
    transform: translateY(0);
}

.language-btn:active {
    transform: translateY(1px);
}

/* 無障礙：減少動態效果偏好 */
@media (prefers-reduced-motion: reduce) {
    .language-btn {
        transition: none;
    }
}