/*body { font-family: sans-serif; display: flex; flex-direction: column; align-items: center; background: #f4f4f4; padding: 20px; }*/
        #la-grid {
            display: grid;
            grid-template-columns: repeat(10, 40px);
            gap: 3px;
            background: #bbbbbb99;
            padding: 10px;
            border-radius: 8px;
            box-shadow: 0 4px 10px rgba(0,0,0,0.2);
            width: 426px;
            margin:0 auto;
        }
        .la-cell {
            width: 40px;
            height: 40px;
            background: white;
            border-radius: 4px;
            cursor: pointer;
            transition: background 0.2s, border 0.2s;
        }
        /* Κλάση για το δεξί κλικ (γκρι μαρκάρισμα) */
        .la-marked {
            background: #e0e0e0 !important;
            border: 2px dashed #999;
            box-sizing: border-box;
        }
        .la-locked {
            border: 3px solid #333;
            cursor: not-allowed !important;
            box-sizing: border-box;
        }
        #la-message {
            margin-top: 20px;
            font-size: 1.2rem;
            font-weight: bold;
            color: #2c3e50;
        }
        #la-resetBtn {
            margin-top: 15px;
            padding: 10px 20px;
            font-size: 1rem;
            background-color: #27ae60;
            color: white;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            display: none;
        }
        #la-resetBtn:hover { background-color: #2ecc71; }