:root {
            --primary-color: #2c7da0;
            --secondary-color: #a9d6e5;
            --accent-color: #01497c;
            --light-gray: #f8f9fa;
            --border-color: #eaeaea;
            --text-color: #333;
            --text-muted: #6c757d;
            --success-color: #28a745;
            --warning-color: #ffc107;
            --danger-color: #dc3545;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background-color: white;
            color: var(--text-color);
            line-height: 1.6;
        }
        
        
        
        /* Budget Method Selector - Compact Version */
        .method-selector {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-bottom: 1.5rem;
            background-color: var(--light-gray);
            border-radius: 8px;
            padding: 1rem;
        }
        
        .method-option {
            flex: 1;
            min-width: 120px;
            text-align: center;
            padding: 0.75rem 0.5rem;
            border-radius: 6px;
            cursor: pointer;
            transition: all 0.3s;
            border: 1px solid var(--border-color);
            background-color: white;
        }
        
        .method-option:hover {
            background-color: rgba(44, 125, 160, 0.1);
            border-color: var(--primary-color);
        }
        
        .method-option.active {
            background-color: var(--primary-color);
            color: white;
            border-color: var(--primary-color);
        }
        
        .method-icon {
            font-size: 1.5rem;
            margin-bottom: 0.5rem;
            color: var(--primary-color);
        }
        
        .method-option.active .method-icon {
            color: white;
        }
        
        .method-title {
            font-weight: 600;
            font-size: 0.9rem;
            margin-bottom: 0.25rem;
        }
        
        .method-ratio {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        
        .method-option.active .method-ratio {
            color: rgba(255, 255, 255, 0.8);
        }
        
        .method-desc {
            display: none;
            font-size: 0.85rem;
            margin-top: 0.5rem;
            color: var(--text-muted);
        }
        
        /* Tooltip for method descriptions */
        .method-tooltip {
            position: absolute;
            background: rgba(0, 0, 0, 0.8);
            color: white;
            padding: 0.5rem;
            border-radius: 4px;
            font-size: 0.85rem;
            z-index: 1000;
            max-width: 250px;
            display: none;
        }
        
        /* Budget Input Area */
        .input-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
            margin-bottom: 1rem;
        }
        
        .simplified-input {
            background-color: rgba(44, 125, 160, 0.05);
            border-radius: 8px;
            padding: 1.5rem;
            margin-bottom: 1.5rem;
        }
        
        .advanced-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 1.5rem 0;
            cursor: pointer;
            color: var(--primary-color);
            font-weight: 600;
        }
        
        .advanced-toggle i {
            margin-left: 0.5rem;
            transition: transform 0.3s;
        }
        
        .advanced-section {
            display: none;
            animation: fadeIn 0.5s ease-in;
        }
        
        .advanced-section.show {
            display: block;
        }
        
        .advanced-toggle .rotate {
            transform: rotate(180deg);
        }
        
        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }
        
        .category-item {
            display: flex;
            align-items: center;
            margin-bottom: 0.75rem;
            padding: 0.75rem;
            background-color: rgba(44, 125, 160, 0.05);
            border-radius: 6px;
        }
        
        .category-name {
            flex-grow: 1;
            margin-right: 0.75rem;
        }
        
        .category-amount {
            width: 150px;
        }
        
        .delete-btn {
            background-color: rgba(220, 53, 69, 0.1);
            border: none;
            border-radius: 4px;
            color: var(--danger-color);
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s;
            margin-left: 0.75rem;
        }
        
        .delete-btn:hover {
            background-color: rgba(220, 53, 69, 0.2);
        }
        
        .add-item-btn {
            margin-top: 0.5rem;
        }
        
        /* Result Area */
        .result-container {
            background-color: var(--light-gray);
            border-radius: 6px;
            padding: 1.5rem;
            margin-top: 1.5rem;
            position: relative;
        }
        
        .result-title {
            font-weight: 600;
            margin-bottom: 0.75rem;
            color: var(--primary-color);
        }
        
        .result-content {
            font-family: 'Segoe UI', sans-serif;
            word-break: break-all;
            padding: 12px;
            background-color: white;
            border-radius: 4px;
            border: 1px solid #eee;
            font-size: 0.95rem;
        }
        
        .result-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin-top: 1.5rem;
        }
        
        .result-card {
            background-color: white;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            padding: 1.25rem;
            text-align: center;
        }
        
        .result-card-title {
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: var(--text-muted);
            font-size: 0.95rem;
        }
        
        .result-card-value {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary-color);
        }
        
        .result-card-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 0.5rem;
        }
        
        .chart-container {
            height: 300px;
            margin-top: 2rem;
        }
        
        .insight-card {
            background-color: rgba(255, 193, 7, 0.1);
            border-left: 4px solid var(--warning-color);
            padding: 1.5rem;
            border-radius: 0 8px 8px 0;
            margin-top: 2rem;
        }
        
        .insight-title {
            font-weight: 600;
            margin-bottom: 1rem;
            color: var(--warning-color);
        }
        
        .tip-card {
            background-color: rgba(40, 167, 69, 0.1);
            border-left: 4px solid var(--success-color);
            padding: 1.5rem;
            border-radius: 0 8px 8px 0;
            margin-top: 2rem;
        }
        
        .tip-title {
            font-weight: 600;
            margin-bottom: 1rem;
            color: var(--success-color);
        }
        
        .budget-table {
            width: 100%;
            border-collapse: collapse;
            margin-top: 1.5rem;
        }
        
        .budget-table th, 
        .budget-table td {
            padding: 0.75rem;
            text-align: left;
            border-bottom: 1px solid var(--border-color);
        }
        
        .budget-table th {
            background-color: var(--light-gray);
            font-weight: 600;
        }
        
        .budget-table tr:hover {
            background-color: rgba(44, 125, 160, 0.05);
        }
        
        .budget-table .amount {
            text-align: right;
            font-weight: 600;
        }
        
        .disclaimer-box {
            background-color: rgba(255, 193, 7, 0.15);
            border-left: 4px solid var(--warning-color);
            padding: 1rem;
            border-radius: 0 4px 4px 0;
            margin: 1.5rem 0;
        }
        
        .knowledge-card {
            background-color: white;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            transition: transform 0.3s;
        }
        
        .knowledge-card:hover {
            transform: translateY(-5px);
        }
        
        .knowledge-icon {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 1rem;
        }
        
        .knowledge-title {
            font-weight: 600;
            margin-bottom: 0.75rem;
            color: var(--primary-color);
        }
        
        .knowledge-content {
            color: var(--text-muted);
            margin-bottom: 1.5rem;
        }
        
        .knowledge-link {
            font-weight: 600;
            color: var(--primary-color);
            text-decoration: none;
        }
        
        .knowledge-link:hover {
            text-decoration: underline;
        }
        
        .faq-item {
            margin-bottom: 1.5rem;
            padding-bottom: 1.5rem;
            border-bottom: 1px solid var(--border-color);
        }
        
        .faq-question {
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: var(--primary-color);
        }
        
        .faq-answer {
            color: var(--text-muted);
        }
        
        /* Responsive adjustments */
        @media (max-width: 768px) {
            .method-option {
                min-width: 100px;
                padding: 0.5rem;
            }
            
            .method-icon {
                font-size: 1.25rem;
            }
            
            .method-title {
                font-size: 0.8rem;
            }
            
            .method-ratio {
                font-size: 0.75rem;
            }
            
            .input-row {
                grid-template-columns: 1fr;
                gap: 0.75rem;
            }
        }
        
        @media (max-width: 576px) {
            .method-option {
                min-width: 80px;
            }
            
            .method-title {
                font-size: 0.75rem;
            }
            
            .method-ratio {
                display: none;
            }
    
            
            .result-grid {
                grid-template-columns: 1fr;
            }
        }