#simulation .inner {
    max-width: 800px;
    margin: 0 auto;
}
#simulation .question-section {
    margin: 50px 0 30px;
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

#simulation .question-label {
    font-size: 18px;
    font-weight: bold;
    color: #333;
    margin-bottom: 15px;
    display: block;
}

#simulation select {
    width: 50%;
    padding: 15px;
    font-size: 16px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    background: white;
    cursor: pointer;
    transition: all 0.3s ease;
}

#simulation select:hover {
    border-color: #667eea;
}

#simulation select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

#simulation .hidden {
    display: none;
}

#simulation .result-section {
    margin-top: 40px;
    animation: slideUp 0.6s ease-out;
}

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

#simulation .total-amount {
    background: linear-gradient(135deg, #455A89 0%, #607ec0 100%);
    color: white;
    padding: 40px;
    border-radius: 15px;
    text-align: center;
    margin-bottom: 30px;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

#simulation .total-amount-label {
    font-size: 18px;
    margin-bottom: 15px;
    opacity: 0.9;
}

#simulation .total-amount-value {
    font-size: 48px;
    font-weight: bold;
    letter-spacing: 2px;
}

#simulation .breakdown-title {
    font-size: 24px;
    font-weight: bold;
    color: #333;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 3px solid #455A89;
}

#simulation .breakdown-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 30px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

#simulation .breakdown-table th {
    background: #f8f9fa;
    padding: 15px;
    text-align: left;
    font-weight: bold;
    color: #555;
    border-bottom: 2px solid #e0e0e0;
}

#simulation .breakdown-table td {
    padding: 15px;
    border-bottom: 1px solid #f0f0f0;
    color: #333;
}

#simulation .breakdown-table tr:hover {
    background: #f8f9ff;
}

#simulation .breakdown-table .item-name {
    font-weight: bold;
    color: #455A89;
}

#simulation .breakdown-table .amount {
    text-align: right;
    font-weight: bold;
    font-size: 18px;
    color: #333;
}

#simulation .notes {
    background: #f4fbff;
    border-left: 4px solid #445A89;
    padding: 20px;
    margin-top: 30px;
    border-radius: 5px;
}

#simulation .notes p {
    margin-bottom: 8px;
    color: #666;
    font-size: 14px;
    line-height: 1.6;
}

#simulation .notes p:last-child {
    margin-bottom: 0;
}

@media (max-width: 600px) {
    #simulation select {width: 100%;}
    #simulation .content {
        padding: 20px;
    }

    #simulation .total-amount-value {
        font-size: 36px;
    }

    #simulation .breakdown-table th,
    #simulation .breakdown-table td {
        padding: 10px;
        font-size: 14px;
    }
}