/* 語言切換器樣式 */
.language-switch {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-right: 20px;
}

.lang-btn {
    background: transparent;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 40px;
    text-align: center;
}

.lang-btn:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.lang-btn.active {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.lang-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* 手機版語言切換器 */
.mobile-language-switch {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
    padding: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-lang-btn {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: 12px 20px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.mobile-lang-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

.mobile-lang-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

/* 載入狀態 */
.language-switch.loading,
.mobile-language-switch.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* 響應式設計 */
@media (max-width: 768px) {
    .language-switch {
        margin-right: 15px;
    }
    
    .lang-btn {
        padding: 5px 10px;
        font-size: 11px;
        min-width: 35px;
    }
}


/* 導覽列組件樣式 - 基於 Nerd Technic 青綠風格設計系統 */

/* 導覽列容器 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: var(--z-fixed);
    padding: 0.75rem 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(var(--backdrop-blur-lg));
    -webkit-backdrop-filter: blur(var(--backdrop-blur-lg));
    border-bottom: var(--border-width-thin) solid var(--border-color-light);
    transition: all var(--transition-slow);
    box-shadow: var(--shadow-soft);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 4px 30px rgba(var(--primary-rgb), 0.15);
    padding: 0.5rem 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: var(--container-2xl);
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    position: relative;
}

/* Logo 樣式 */
.logo {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    text-shadow: 0 0 15px rgba(var(--primary-rgb), 0.3);
    transition: all var(--transition-normal);
    position: relative;
    z-index: 10;
    flex-shrink: 0;
    min-width: 200px;
}

.logo:hover {
    transform: scale(1.05);
    color: var(--secondary);
}

.logo i {
    font-size: var(--font-size-xl);
    animation: rocketPulse 2s ease-in-out infinite alternate;
}

@keyframes rocketPulse {
    0% { transform: scale(1); }
    100% { transform: scale(1.1); }
}

.logo-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 桌面版選單 */
.nav-links.desktop-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-sm);
    align-items: center;
    margin: 0;
    padding: 0;
    flex: 1;
    justify-content: center;
}

.nav-links.desktop-menu li {
    margin: 0;
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-normal);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    overflow: hidden;
}

.nav-link i {
    font-size: var(--font-size-sm);
    opacity: 0.7;
    transition: all var(--transition-normal);
}

.nav-link span {
    font-size: var(--font-size-sm);
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    transition: all var(--transition-normal);
    z-index: -1;
}

.nav-link:hover {
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(var(--primary-rgb), 0.3);
}

.nav-link:hover::before {
    opacity: 1;
}

.nav-link:hover i {
    opacity: 1;
    transform: scale(1.1);
}

/* 導覽列右側 */
.nav-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    flex-shrink: 0;
}

/* 語言切換 */
.language-switch {
    display: flex;
    gap: var(--spacing-xs);
    background: rgba(var(--primary-rgb), 0.05);
    padding: var(--spacing-xs);
    border-radius: var(--radius-md);
    border: var(--border-width-thin) solid var(--border-color-light);
    position: relative;
}

.language-switch::before {
    content: '';
    position: absolute;
    left: -1.5rem;
    top: 50%;
    width: var(--border-width-thin);
    height: 60%;
    background: var(--border-color-light);
    transform: translateY(-50%);
}

.lang-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: transparent;
    border: none;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-normal);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    position: relative;
}

.lang-btn:hover {
    background: rgba(var(--primary-rgb), 0.1);
    color: var(--primary);
}

.lang-btn.active {
    background: var(--primary);
    color: white;
    box-shadow: 0 2px 8px rgba(var(--primary-rgb), 0.3);
}

/* 手機版選單按鈕 */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 26px;
    height: 22px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 10;
}

.hamburger-line {
    width: 100%;
    height: 2.5px;
    background: var(--primary);
    border-radius: 2px;
    transition: all var(--transition-normal);
    transform-origin: center;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* 手機版選單 */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(var(--backdrop-blur-lg));
    -webkit-backdrop-filter: blur(var(--backdrop-blur-lg));
    z-index: var(--z-modal);
    transform: translateX(-100%);
    transition: transform var(--transition-slow);
    overflow-y: auto;
}

.mobile-menu.active {
    transform: translateX(0);
}

/* 手機版選單標題區域 */
.mobile-nav-header {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(var(--backdrop-blur-lg));
    -webkit-backdrop-filter: blur(var(--backdrop-blur-lg));
    border-bottom: var(--border-width-thin) solid var(--border-color-light);
    z-index: 1;
}

.mobile-nav-header .nav-container {
    padding: var(--spacing-lg);
    justify-content: space-between;
    align-items: center;
}

.mobile-nav-header .logo {
    min-width: auto;
    font-size: var(--font-size-xl);
}

.mobile-nav-header .logo-text {
    display: block;
}

/* 手機版選單關閉按鈕 */
.mobile-menu-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--primary);
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: 0 2px 8px rgba(var(--primary-rgb), 0.3);
}

.mobile-menu-close:hover {
    background: var(--secondary);
    transform: scale(1.1);
    box-shadow: 0 4px 15px rgba(var(--primary-rgb), 0.4);
}

.mobile-menu-close i {
    font-size: var(--font-size-lg);
}

.mobile-menu-content {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    height: calc(100% - 80px);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.mobile-nav-links {
    list-style: none;
    margin: 0;
    padding: 0;
}

.mobile-nav-links li {
    margin-bottom: var(--spacing-xs);
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg) var(--spacing-lg);
    color: var(--text-primary);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-lg);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    background: rgba(var(--primary-rgb), 0.02);
    border: var(--border-width-thin) solid var(--border-color-light);
    margin-bottom: var(--spacing-sm);
}

.mobile-nav-link:hover,
.mobile-nav-link:active {
    background: rgba(var(--primary-rgb), 0.1);
    color: var(--primary);
    transform: translateX(8px);
}

.mobile-nav-link i:first-child {
    color: var(--primary);
    width: 20px;
}

.mobile-nav-link i:last-child {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

.mobile-menu-footer {
    border-top: var(--border-width-thin) solid var(--border-color-light);
    padding-top: var(--spacing-lg);
}

.mobile-language-switch {
    display: flex;
    flex-direction: row;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    justify-content: center;
}

.mobile-lang-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: transparent;
    border: none;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-normal);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    position: relative;
}

.mobile-lang-btn:hover {
    background: rgba(var(--primary-rgb), 0.1);
    color: var(--primary);
}

.mobile-lang-btn.active {
    background: var(--primary);
    color: white;
    box-shadow: 0 2px 8px rgba(var(--primary-rgb), 0.3);
}



/* 響應式設計 */
@media (max-width: 1024px) {
    .nav-container {
        max-width: 100%;
        padding: 0 var(--spacing-lg);
    }
    
    .logo {
        min-width: 180px;
    }
    
    .nav-links.desktop-menu {
        gap: var(--spacing-sm);
    }
    
    .nav-link {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-sm);
    }
    
    .nav-right {
        gap: var(--spacing-md);
    }
}

@media (max-width: 768px) {
    .nav-container {
        padding: 0 var(--spacing-lg);
        justify-content: space-between;
    }
    
    .logo {
        min-width: auto;
    }
    
    .language-switch::before {
        display: none;
    }
    
    .nav-links.desktop-menu {
        display: none;
    }
    
    .language-switch {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
}

@media (max-width: 480px) {
    .nav-container {
        display: flex;
        padding: 0 var(--spacing-md);
        justify-content: space-between;
        margin: 0;
        width: 100%;
    }
    
    .logo {
        font-size: var(--font-size-xl);
    }
    
    .logo i {
        font-size: var(--font-size-lg);
    }
    
    .logo-text {
        display: block;
    }
    
    /* 小螢幕手機版 nav-right 左右對齊 - 使用 margin-left: auto */
    .nav-right {
        flex: 1;
        justify-content: flex-end;
    }
    
    .mobile-nav-header .nav-container {
        padding: var(--spacing-md);
    }
    
    .mobile-nav-header .logo-text {
        display: block;
    }
    
    .mobile-menu-content {
        padding: 0 var(--spacing-lg) var(--spacing-lg);
        height: calc(100% - 70px);
    }
    
    .mobile-nav-link {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: var(--font-size-base);
    }
    
    .mobile-cta-btn {
        padding: var(--spacing-md);
        font-size: var(--font-size-base);
    }
}

/* 桌面版大螢幕優化 */
@media (min-width: 1400px) {
    .nav-container {
        max-width: 1600px;
    }
    
    .nav-link {
        padding: var(--spacing-sm) var(--spacing-lg);
    }
}