body{
    background: radial-gradient(circle at center, #0f2027, #0b0f1a);
    color: #00fff2;
}

/* Titre rétro néon */
.title{
    font-size: 60px;
    text-align: center;
    color: #00fff2;
    text-shadow:
        0 0 5px #00fff2,
        0 0 10px #00fff2,
        0 0 20px #00fff2,
        0 0 40px #00fff2;
}

/* Conteneur néon */
.container{
    background: rgba(0,0,0,0.6);
    border: 2px solid #00fff2;
    box-shadow:
        0 0 10px #00fff2,
        0 0 30px #00fff2;
    border-radius: 20px;
    padding: 30px;
    text-align: center;
}

/* Boutons rétro */
button{
    background: transparent;
    border: 2px solid #ff00ff;
    color: #ff00ff;
    padding: 12px 25px;
    border-radius: 10px;
    font-size: 16px;
    cursor: pointer;
    text-shadow: 0 0 5px #ff00ff;
    box-shadow:
        0 0 5px #ff00ff,
        0 0 15px #ff00ff;
    transition: 0.3s;
}

button:hover{
    background: #ff00ff;
    color: black;
    box-shadow:
        0 0 10px #ff00ff,
        0 0 40px #ff00ff;
}

/* Choix shifumi */
.choix{
    font-size: 70px;
    cursor: pointer;
    transition: 0.3s;
    text-shadow:
        0 0 5px #00fff2,
        0 0 20px #00fff2;
}

.choix:hover{
    transform: scale(1.3);
}