/* 自定義字體 */
body { 
    font-family: '微軟正黑體', 'Microsoft JhengHei', sans-serif; 
    background-color: #f8fafc; 
    color: #1e293b; 
}

/* 導航按鈕樣式 */
.nav-item.active { 
    background-color: #2563eb; 
    color: white; 
}
.nav-item:hover:not(.active) { 
    background-color: #e2e8f0; 
}

/* 輸入框統一樣式 */
input, select { 
    width: 100%; 
    border: 1px solid #cbd5e1; 
    padding: 6px; 
    border-radius: 4px; 
    text-align: right; 
}
input[type="text"], input[type="date"], select { 
    text-align: left; 
}

/* 簡單的淡入動畫 */
.fade-in { 
    animation: fadeIn 0.3s ease-in-out; 
}
@keyframes fadeIn { 
    from { opacity: 0; } 
    to { opacity: 1; } 
}