/* Police futuriste et style néon */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@500&display=swap');

body {
    display: flex;
    flex-direction: column;
    align-items: center;
    font-family: 'Orbitron', sans-serif;
    background-color: #0d0d0d;
    color: #00ffea;
    min-height: 100vh;
    padding: 20px;
}

h1 {
    margin-top: 20px;
    text-shadow: 0 0 10px #00ffea, 0 0 20px #00ffea, 0 0 30px #00ffea;
    font-size: 2.5rem;
}

.mode-selector, .difficulty-selector {
    margin-top: 15px;
    margin-bottom: 15px;
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    justify-content: center;
}

.difficulty-selector {
    display: none;
}

label {
    cursor: pointer;
    color: #00ffea;
    transition: all 0.2s ease-in-out;
    display: flex;
    align-items: center;
    gap: 5px;
}

label:hover {
    text-shadow: 0 0 10px #00ffea;
    transform: scale(1.05);
}

input[type="radio"] {
    cursor: pointer;
    /*accent-color: #00ffea;*/
}

/* Plateau de jeu 3x3 avec gap pour l'effet futuriste */
.game-board {
    display: grid;
    grid-template-columns: repeat(3, 100px);
    grid-template-rows: repeat(3, 100px);
    gap: 10px;
    margin-top: 20px;
}

/* Style des cases avec animation hover */
.cell {
    width: 100px;
    height: 100px;
    background-color: #111;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2.5rem;
    cursor: pointer;
    border: 2px solid #00ffea;
    transition: all 0.2s ease-in-out;
    color: #00ffea;
}

.cell:hover {
    transform: scale(1.1);
    box-shadow: 0 0 20px #00ffea;
}

/* Message et boutons néon */
#message {
    margin-top: 20px;
    font-size: 1.2rem;
    font-weight: bold;
    text-shadow: 0 0 5px #00ffea;
    min-height: 30px;
}

button {
    margin-top: 10px;
    padding: 10px 20px;
    font-size: 1rem;
    cursor: pointer;
    background-color: #111;
    color: #00ffea;
    border: 2px solid #00ffea;
    transition: all 0.2s ease-in-out;
    font-family: 'Orbitron', sans-serif;
}

button:hover {
    background-color: #00ffea;
    color: #111;
    box-shadow: 0 0 15px #00ffea;
}

@media (max-width: 600px) {
    h1 {
        font-size: 1.8rem;
    }
    
    .game-board {
        grid-template-columns: repeat(3, 80px);
        grid-template-rows: repeat(3, 80px);
    }
    
    .cell {
        width: 80px;
        height: 80px;
        font-size: 2rem;
    }
}