.bingo-container {
    display: flex;
    justify-content: space-around;
    margin: 20px auto;
    max-width: 800px;
}

.bingo-team {
    text-align: center;
}

.bingo-team h4 {
    margin-bottom: 10px;
    color: #007bff;
}

.bingo-grid {
    border-collapse: collapse;
    margin: 10px auto;
    background-color: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.bingo-grid td {
    width: 50px;
    height: 50px;
    border: 2px solid #333;
    text-align: center;
    vertical-align: middle;
    font-size: 20px;
    font-weight: bold;
    background-color: #f8f9fa;
    color: #333;
}

.bingo-grid td.filled {
    background-color: #28a745;
    color: white;
}

.bingo-grid td.lingo-line {
    background-color: #ffc107;
    color: #000;
    animation: pulse 0.5s ease-in-out;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

/* Number entry modal */
#number-entry-modal {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
    z-index: 10000;
    min-width: 300px;
    text-align: center;
}

#number-entry-modal h3 {
    margin-bottom: 20px;
    color: #007bff;
}

#number-entry-modal input {
    font-size: 24px;
    padding: 10px;
    width: 100px;
    text-align: center;
    margin: 10px 0;
    border: 2px solid #007bff;
    border-radius: 5px;
}

#number-entry-modal button {
    margin-top: 10px;
}

/* Modal backdrop */
.modal-backdrop {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 9999;
}

.modal-backdrop.show {
    display: block;
}

/* Mobile responsive */
@media (max-width: 768px) {
    .bingo-container {
        flex-direction: column;
    }

    .bingo-grid td {
        width: 35px;
        height: 35px;
        font-size: 16px;
    }
}