body {
    font-family: Arial, sans-serif;
    background-color: #f2f2f2;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.container {
    background-color: white;
    padding: 25px;
    width: 380px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

h1 {
    text-align: center;
    margin-bottom: 20px;
}

label {
    display: block;
    margin-top: 12px;
    font-weight: bold;
}

input {
    width: 100%;
    padding: 8px;
    margin-top: 4px;
    box-sizing: border-box;
}

button {
    margin-top: 20px;
    width: 100%;
    padding: 10px;
    background-color: #2c7be5;
    color: white;
    border: none;
    font-size: 16px;
    cursor: pointer;
}

button:hover {
    background-color: #1a5fd0;
}

.result {
    margin-top: 20px;
    font-size: 16px;
    font-weight: bold;
    text-align: center;
}