body {
    background-color: #e0e5ec;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    font-family: 'Nunito', sans-serif;    
}

.container {
    max-width: 600px;
    margin: auto;
    text-align: center;
    background-color: #e0e5ec;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 20px 20px 60px #bebebe, -20px -20px 60px #ffffff;
}

h1 {
    color: #555555;
    margin-bottom: 20px;
}

input[type="text"], button {
    border: none;
    outline: none;
    margin: 10px 0;
    border-radius: 15px;
    padding: 15px;
    width: 100%;
    box-sizing: border-box;
    background-color: #e0e5ec;
    box-shadow: 8px 8px 15px #bebebe, -8px -8px 15px #ffffff;
    transition: all 0.3s ease;
    font-size: 18px;
}

input[type="text"]:focus {
    box-shadow: inset 6px 6px 12px #c1c1c1, inset -6px -6px 12px #ffffff;
}

button {
    cursor: pointer;
    font-weight: bold;
    color: #555555;
    background-color: #e0e5ec;
    box-shadow: 8px 8px 15px #bebebe, -8px -8px 15px #ffffff;
    transition: all 0.3s ease;
}

button:hover {
    background-color: #d1d9e6;
    box-shadow: 6px 6px 12px #bebebe, -6px -6px 12px #ffffff;
}

button:active {
    box-shadow: inset 4px 4px 8px #bebebe, inset -4px -4px 8px #ffffff;
}

#result {
    font-size: 24px;
    font-weight: bold;
    color: #333333;
    margin-top: 20px;
}