body{
    font-family: Arial;
    text-align:center;
    margin:0;
    padding:0;

    /* ✅ ruta correcta a assets */
    background: url("../assets/fondo-trivia.jpg") no-repeat center center fixed;
    background-size: cover;
}

/* 🌑 overlay suave */
body::before{
    content:"";
    position:fixed;
    top:0;
    left:0;
    width:100%;
    height:100%;
    background:rgba(0,0,0,0.25);
    z-index:-1;
}

.container{
    width:700px;
    margin:auto;
    padding-top:20px;
    position:relative;
}

canvas{
    background: rgba(255,255,255,0.92);
    border-radius:50%;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

button{
    padding:10px 20px;
    margin-top:10px;
    cursor:pointer;
    border:none;
    border-radius:8px;
    font-weight:bold;
    transition:0.2s;
}

button:hover{
    transform:scale(1.05);
}

.hidden{
    display:none;
}

.answer{
    background:#fff;
    padding:10px;
    margin:5px;
    cursor:pointer;
    border:1px solid #ccc;
    border-radius:6px;
    transition:0.2s;
}

.answer:hover{
    transform:scale(1.02);
}

.answer.correct{
    background:#2ecc71 !important;
    color:#fff !important;
    font-weight:bold;
}

.answer.wrong{
    background:#e74c3c !important;
    color:#fff !important;
    font-weight:bold;
}