body {
    margin: 0;
    font-family: Arial;
    background: linear-gradient(135deg, #667eea, #764ba2);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Caja login */
.login-box {
    background: white;
    padding: 30px;
    border-radius: 15px;
    width: 300px;
    box-shadow: 0px 10px 25px rgba(0,0,0,0.2);
    text-align: center;
}

.login-box h2 {
    margin-bottom: 20px;
}

/* Inputs */
.login-box input {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
    border-radius: 8px;
    border: 1px solid #ccc;
}

/* Botón */
.login-box button {
    width: 100%;
    padding: 10px;
    background: #667eea;
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: bold;
}

.login-box button:hover {
    background: #5a67d8;
}