body {
    font-family: Arial;
    background: #111;
    color: #fff;
}

.login-body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.login-card {
    background: #1e1e1e;
    padding: 30px;
    border-radius: 10px;
    width: 300px;
    text-align: center;
}

input, button {
    width: 100%;
    margin: 8px 0;
    padding: 10px;
}

button {
    background: red;
    color: white;
    border: none;
    cursor: pointer;
}

.panel-container {
    padding: 20px;
}

.menu button {
    display: block;
    margin: 10px 0;
}