body {
    margin: 0;
    padding: 0;
    font-family: 'Roboto', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.login-container {
    background: linear-gradient(to right, #016875, rgb(0, 85, 165));
    padding: 30px 40px;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.2);
    width: 100%;
    max-width: 400px;
}

.login-form h2 {
    text-align: center;
    margin-bottom: 25px;
    color: #ffffff;
}

.login-form input {
    width: 100%;
    padding: 12px;
    margin: 10px 0;
    border: 1px solid #ccc;
    border-radius: 8px;
    font-size: 16px;
}

.login-form button {
    width: 100%;
    padding: 12px;
    background-color: #667eea;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
    transition: background 0.3s;
}

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

.error {
    color: red;
    text-align: center;
    margin-top: 10px;
}