body {
    font-family: 'Arial', sans-serif;
    background-color: #fafafa;
    margin: 0;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

#app {
    width: 100%;
    max-width: 400px;
    background-color: #fff;
    padding: 20px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    border-radius: 8px;
}

#app div {
    margin-bottom: 15px;
}

label {
    display: block;
    margin-bottom: 5px;
    color: #333;
}

input[type="text"],
input[type="date"] {
    width: calc(100% - 22px);
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
}

button {
    width: 100%;
    padding: 10px;
    background-color: #0053a5;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
}

button:hover {
    background-color: #003973;
}

#result {
    margin-top: 20px;
    padding: 10px;
    background-color: #e1f4fe;
    border-left: 4px solid #0053a5;
    color: #0053a5;
}