* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}


body {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: Arial, sans-serif;
}

.container {
    background-color: white;
    padding: 30px 40px;
    border-radius: 15px;
    box-shadow: 0 15px 25px rgba(0, 0, 0, 0.2);
    text-align: center;
    animation: fadeIn 1s ease-in-out;
}

h1 {
    margin-bottom: 20px;
    color: #2c3e50;
}


input[type="number"],
select {
    width: 200px;
    padding: 10px;
    margin: 10px;
    border: 2px solid #2980b9;
    border-radius: 5px;
    font-size: 16px;
    transition: all 0.3s ease;
}

input:focus,
select:focus {
    outline: none;
    border-color: #6dd5fa;
    transform: scale(1.05);
}

button {
    padding: 10px 20px;
    margin: 10px;
    background-color: #2980b9;
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    cursor: pointer;
    transition: background 0.3s ease, transform 0.3s ease;
}

button:hover {
    background-color: #1f618d;
    transform: scale(1.05);
}

#result {
    margin-top: 20px;
    font-size: 18px;
    color: #2c3e50;
    animation: fadeIn 0.5s ease-in-out;
}


@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-15px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}