body {
    background-color: #0c0c1d;
    color: #fff;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    text-align: center;
    margin: 0;
    padding: 0;
}

header {
    padding: 2rem;
    border-bottom: 1px solid #2a2a57;
}

h1 {
    font-size: 3rem;
    color: #8a2be2;
}

main {
    padding: 2rem;
}

#userInfoForm {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

#userInfoForm input {
    padding: 0.5rem;
    border-radius: 5px;
    border: 1px solid #2a2a57;
    background-color: #1a1a3d;
    color: #fff;
}

#userInfoForm button {
    padding: 0.7rem 1.5rem;
    border-radius: 5px;
    border: none;
    background-color: #8a2be2;
    color: #fff;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

#userInfoForm button:hover {
    background-color: #9932cc;
}

#simulationResult h2 {
    color: #8a2be2;
}

#resultContainer {
    margin-top: 2rem;
    padding: 1rem;
    border-radius: 10px;
    background-color: #1a1a3d;
}