.calculator-container {
            max-width: 900px;
            margin: 0 auto;
            padding: 20px;
        }
        
        .calculator-card {
            background-color: #fff;
            border-radius: 16px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.08);
            padding: 32px;
        }
        
        .calculator-form {
            padding: 24px;
            background: #fff;
            border-radius: 12px;
            margin-bottom: 24px;
            border: 1px solid #e8e8e8;
        }
        
        .form-group {
            margin-bottom: 20px;
        }
        
        .form-group label {
            display: block;
            font-weight: 600;
            color: #333;
            margin-bottom: 8px;
            font-size: 14px;
        }
        
        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #e0e0e0;
            border-radius: 10px;
            font-size: 14px;
            transition: all 0.3s ease;
            background: #fff;
        }
        
        .form-control:focus {
            outline: none;
            border-color: #667eea;
            box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.15);
        }
        
        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        
        @media (max-width: 768px) {
            .form-row {
                grid-template-columns: 1fr;
            }
        }
        
        .required {
            color: #ef4444;
        }
        
        .button-group {
            display: flex;
            gap: 14px;
            margin-top: 24px;
        }
        
        .btn-calculate {
            flex: 1;
            padding: 14px 28px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: #fff;
            border: none;
            border-radius: 12px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 16px rgba(102, 126, 234, 0.3);
        }
        
        .btn-calculate:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
        }
        
        .btn-reset {
            padding: 14px 28px;
            background: #f5f5f5;
            color: #555;
            border: 2px solid #e0e0e0;
            border-radius: 12px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .btn-reset:hover {
            background: #e8e8e8;
            border-color: #667eea;
            color: #667eea;
        }
        
        .result-section {
            background: linear-gradient(135deg, #f0f7ff 0%, #e6f7ff 100%);
            border-radius: 16px;
            padding: 28px;
            border: 1px solid #91d5ff;
        }
        
        .result-title {
            font-size: 20px;
            font-weight: 600;
            color: #1a1a1a;
            margin-bottom: 20px;
            padding-bottom: 14px;
            border-bottom: 2px solid #91d5ff;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .result-box {
            background: #fff;
            border-radius: 12px;
            padding: 24px;
            border: 1px solid #e8e8e8;
            margin-bottom: 20px;
            box-shadow: 0 2px 12px rgba(0,0,0,0.04);
        }
        
        .result-empty {
            text-align: center;
            padding: 40px 20px;
            color: #94a3b8;
        }
        
        .result-empty-icon {
            font-size: 48px;
            margin-bottom: 16px;
        }
        
        .result-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 12px;
            padding: 8px 0;
            border-bottom: 1px solid #f0f0f0;
        }
        
        .result-label {
            font-size: 14px;
            color: #64748b;
            font-weight: 500;
        }
        
        .result-value {
            font-size: 14px;
            color: #1a1a1a;
            font-weight: 600;
        }
        
        .result-value.highlight {
            font-size: 18px;
            color: #667eea;
            font-weight: 700;
        }
        
        .loading {
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 40px 20px;
        }
        
        .loading-spinner {
            width: 40px;
            height: 40px;
            border: 4px solid #f3f3f3;
            border-top: 4px solid #667eea;
            border-radius: 50%;
            animation: spin 1s linear infinite;
            margin-right: 12px;
        }
        
        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }
        
        .loading-text {
            font-size: 14px;
            color: #64748b;
        }
        
        .legal-basis {
            background: #fafafa;
            border-radius: 12px;
            padding: 22px;
            border: 1px solid #e8e8e8;
        }
        
        .legal-basis h3 {
            color: #333;
            margin-bottom: 16px;
            font-size: 17px;
            font-weight: 600;
            padding-bottom: 12px;
            border-bottom: 2px solid #e8e8e8;
        }
        
        .legal-basis ul {
            padding-left: 20px;
            color: #64748b;
            font-size: 13px;
            line-height: 1.8;
        }
        
        .legal-basis li {
            margin-bottom: 10px;
        }
        
        .legal-basis .info-box {
            margin-top: 14px;
            padding: 14px 16px;
            background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
            border-radius: 10px;
            font-size: 13px;
            color: #1e40af;
            border: 1px solid #93c5fd;
        }
        
        .legal-basis .info-box strong {
            display: block;
            margin-bottom: 6px;
        }
        
        @media (max-width: 768px) {
            .button-group {
                flex-direction: column;
            }
            .btn-calculate, .btn-reset {
                width: 100%;
                justify-content: center;
            }
        }