/* Stili responsivi */
@media (max-width: 1200px) {
    .flex-container {
        flex-direction: column;
        align-items: center;
    }

    .chessboard-container {
        max-width: 500px;
    }

    .side-panel {
        max-width: 500px;
        height: auto;
        min-height: 300px;
        margin-top: 2rem;
    }
}

@media (max-width: 768px) {
    .chessboard-container {
        max-width: 90%;
    }

    .side-panel {
        max-width: 90%;
    }

    .player-info {
        flex-wrap: wrap;
    }

    .player-name {
        font-size: var(--font-size-sm);
        padding: 0.4rem 0.8rem;
    }

    .timer {
        font-size: var(--font-size-sm);
        padding: 0.4rem 0.8rem;
    }

    .modal-dialog {
        width: 95%;
    }
}

@media (max-width: 480px) {
    .navbar {
        padding: 0.5rem 1rem;
    }

    .modal-header,
    .modal-body,
    .modal-footer {
        padding: 1rem;
    }

    .btn {
        padding: 0.5rem 1rem;
        font-size: var(--font-size-sm);
    }
}