*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family:Arial, Helvetica, sans-serif;
}

body{
    background:#f2f2f2;
    display:flex;
    justify-content:center;
    align-items:center;
    height:100vh;
}

.container{
    width:380px;
    background:#fff;
    padding:25px;
    border-radius:10px;
    box-shadow:0 0 10px rgba(0,0,0,0.2);
    text-align:center;
}

h1{
    margin-bottom:20px;
    color:#333;
}

.status-box{
    background:#f8f8f8;
    border:1px solid #ddd;
    border-radius:8px;
    padding:15px;
    margin-bottom:15px;
}

.status-box h3{
    margin-bottom:10px;
    color:#555;
}

#espStatus,
#motorStatus{
    font-size:18px;
    font-weight:bold;
}

.buttons{
    margin-top:20px;
}

button{
    width:100%;
    padding:15px;
    margin-top:12px;
    border:none;
    border-radius:8px;
    font-size:18px;
    color:#fff;
    cursor:pointer;
}

#startBtn{
    background:#28a745;
}

#startBtn:hover{
    background:#218838;
}

#stopBtn{
    background:#dc3545;
}

#stopBtn:hover{
    background:#c82333;
}

#message{
    margin-top:20px;
    font-size:16px;
    color:#0066cc;
    font-weight:bold;
}