body {
    font-family: Arial, sans-serif;
    background: #f4f4f4;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}
.container {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    width: 300px;
}
input {
    width: 100%;
    margin: 10px 0;
    padding: 8px;
}
button {
    width: 100%;
    padding: 10px;
    background: #007BFF;
    border: none;
    color: white;
    border-radius: 5px;
    cursor: pointer;
}
button:hover { background: #0056b3; }
a { color: #007BFF; text-decoration: none; }
a:hover { text-decoration: underline; }