* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
        }
        
        header {
            text-align: center;
            margin-bottom: 40px;
            padding: 20px;
        }
        .redim{
            background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);color: #fff;
    padding: 40px;
    text-align: center;margin-top:20px;border-top-left-radius:20px;border-top-right-radius:20px;    width: 1130px;
    margin: 0 auto;
    margin-top: 20px;margin-bottom: -12px;}
        h1 {
            font-size: 2.5rem;
            color: #2c3e50;
            margin-bottom: 10px;
        }
        
        .subtitle {
            font-size: 1.2rem;
            color: #7f8c8d;
            max-width: 800px;
            margin: 0 auto;
        }
        
        .calculator-container {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            justify-content: center;
        }
        
        .calculator-card {
            background: white;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            padding: 30px;
            width: 100%;
            max-width: 550px;
            transition: transform 0.3s ease;
        }
        
        .calculator-card:hover {
            transform: translateY(-5px);
        }
        
        .card-header {
            display: flex;
            align-items: center;
            margin-bottom: 25px;
            padding-bottom: 15px;
            border-bottom: 2px solid #f1f1f1;
        }
        
        .card-header i {
            font-size: 24px;
            margin-right: 15px;
            color: #3498db;
        }
        
        .card-title {
            font-size: 1.8rem;
            color: #2c3e50;
        }
        
        .input-group {
            margin-bottom: 20px;
        }
        
        label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: #34495e;
        }
        
        input, select {
            width: 100%;
            padding: 12px 15px;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 16px;
            transition: border-color 0.3s;
        }
        
        input:focus, select:focus {
            border-color: #3498db;
            outline: none;
        }
        
        .slider-container {
            display: flex;
            align-items: center;
            gap: 15px;
        }
        
        input[type="range"] {
            flex: 1;
        }
        
        .btn {
            background: #3498db;
            color: white;
            border: none;
            padding: 14px 25px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s;
            width: 100%;
            margin-top: 10px;
        }
        
        .btn:hover {
            background: #2980b9;
        }
        
        .results {
            margin-top: 30px;
            padding-top: 20px;
            border-top: 2px solid #f1f1f1;
        }
        
        .result-summary {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
            margin-bottom: 20px;
        }
        
        .result-box {
            background: #f8f9fa;
            padding: 15px;
            border-radius: 8px;
            text-align: center;
        }
        
        .result-title {
            font-size: 14px;
            color: #7f8c8d;
            margin-bottom: 5px;
        }
        
        .result-value {
            font-size: 20px;
            font-weight: 700;
            color: #2c3e50;
        }
        
        .chart-container {
            height: 250px;
            margin: 20px 0;
        }
        
        .table-container {
            max-height: 300px;
            overflow-y: auto;
            margin-top: 20px;
        }
        
        table {
            width: 100%;
            border-collapse: collapse;
        }
        
        th, td {
            padding: 12px 15px;
            text-align: center;
            border-bottom: 1px solid #ddd;
        }
        
        th {
            background-color: #f2f2f2;
            position: sticky;
            top: 0;
        }
        
        tr:hover {
            background-color: #f5f5f5;
        }
        
        .highlight {
            color: #e74c3c;
            font-weight: 700;
        }
        
        .positive {
            color: #27ae60;
            font-weight: 700;
        }
        
        @media (max-width: 768px) {
            .calculator-container {
                flex-direction: column;
                align-items: center;
            }
            
            .calculator-card {
                max-width: 100%;
            }
            
            .result-summary {
                grid-template-columns: 1fr;
            }
        }