/* 基本樣式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
}

/* 桌面端下拉菜單 */
.group:hover .group-hover\:opacity-100 {
    opacity: 1 !important;
}

.group:hover .group-hover\:visible {
    visibility: visible !important;
}

/* 移動端菜單按鈕 */
#mobile-menu-btn {
    min-width: 48px;
    min-height: 48px;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

/* 移動端菜單 */
#mobile-menu {
    transition: all 0.3s ease;
}

#mobile-menu.hidden {
    display: none !important;
}

/* 確保移動端菜單在小屏幕上正確顯示 */
@media (max-width: 768px) {
    .md\:hidden {
        display: block !important;
    }
    
    .hidden.md\:flex {
        display: none !important;
    }
    
    #mobile-menu-btn {
        display: flex !important;
        align-items: center;
        justify-content: center;
    }
}

/* Toast 通知 */
#toast {
    z-index: 9999;
}

/* 動畫 */
.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* iOS 優化 */
.ios-device {
    -webkit-overflow-scrolling: touch;
}

/* 圖片懶加載 */
img.lazy {
    opacity: 0;
    transition: opacity 0.3s;
}

img.lazy.loaded {
    opacity: 1;
}

/* 防止點擊高亮 */
button, a {
    -webkit-tap-highlight-color: transparent;
}