body {
    font-family: system-ui, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-color: #f0f2f5;
}
.container {
    background-color: white;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    text-align: center;
    width: 400px;
}
form {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 20px;
}
form div {
    display: flex;
    flex-direction: column;
    text-align: left;
}
input {
    padding: 10px;
    margin-top: 5px;
    border-radius: 4px;
    border: 1px solid #ccc;
    font-size: 16px;
}
button {
    padding: 12px 24px;
    font-size: 16px;
    cursor: pointer;
    border-radius: 8px;
    border: none;
    background-color: #007bff;
    color: white;
    transition: background-color 0.2s;
}
button:hover {
    background-color: #0056b3;
}
#message {
    margin-top: 15px;
    font-weight: bold;
    color: #d93025;
}