body {
    background: linear-gradient(to right, #e0c3fc, #8ec5fc);
    font-family: 'Segoe UI', sans-serif;
    display: flex;
    height: 100vh;
    justify-content: center;
    align-items: center;
    margin: 0;
}
.login-box {
    background-color: white;
    padding: 2rem 3rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    text-align: center;
}
input, button {
    padding: 10px;
    width: 80%;
    margin: 10px 0;
    border-radius: 8px;
    border: 1px solid #ccc;
}
button {
    background-color: #3f51b5;
    color: white;
    border: none;
    cursor: pointer;
}
.error {
    color: red;
    margin-top: 10px;
}