canvas {
            border: 2px solid #4B5563;
            background-color: #1F2937;
        }
        .tetris-grid {
            display: grid;
            grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
            gap: 2rem;
            max-width: 1200px;
            margin: 0 auto;
            padding: 2rem;
        }
        .sidebar {
            background-color: #111827;
            padding: 1.5rem;
            border-radius: 0.5rem;
            color: white;
            text-align: center;
        }
        .logo-img {
            max-width: 100%;
            height: auto;
            border-radius: 0.5rem;
        }
        .game-controls {
            background-color: #111827;
            padding: 1rem;
            border-radius: 0.5rem;
            color: white;
            margin-top: 1rem;
        }
        button {
            transition: background-color 0.3s ease;
        }
        button:hover {
            background-color: #3B82F6;
        }
        /* Animation pour le texte de présentation */
        .presentation-text {
            opacity: 0;
            transform: translateY(20px);
            animation: slideUp 1s ease-out forwards;
        }
        @keyframes slideUp {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }