.spa-login-container {
    max-width: 400px;
    margin: 50px auto;
    padding: 20px;
    border: 1px solid #eee;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    background: #fff;
    border-radius: 8px;
    text-align: center;
}

.spa-login-form label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    text-align: left;
}

.spa-login-form input[type="text"],
.spa-login-form input[type="password"] {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
}

.spa-login-form button {
    background: #333;
    color: #fff;
    border: none;
    padding: 10px 20px;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    width: 100%;
}

.spa-login-form button:hover {
    background: #555;
}