.container {
        padding: 10px;
        margin: 20px auto;
    background: #e2f7f5;
        border-radius: 8px;
        max-width: 1000px;
    }
    
    .result-container {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
        padding: 10px;
        max-width: 500px;
    }

    .result-box {
        padding: 10px;
        border: 1px solid #b1aeae;
        border-radius: 5px;
        background-color: #fefefe;
        font-size: 12px;
    }

    .buy-btn {
        font-size: 12px;
        padding: 8px 10px;
    }

    .cost {
        font-size: 16px;
        font-weight: bold;
        color: #c0392b;
        margin-top: 10px;
    }

    @media (max-width: 768px) {
        .result-container {
            grid-template-columns: repeat(2, 1fr);
        }
        
        .result-box {
            font-size: 11px;
        }
    }
    
    .logout-btn {
        background-color: #bebcbc;
        color: #050000;
        border: none;
        padding: 5px;
        border-radius: 3px;
        cursor: pointer;
        font-size: 12px;
        text-align: center;
        display: block;
        margin: 10px auto 0;
    }

    .logout-btn:hover {
        background-color: #bfbdbd;
    }

    .modal {
        display: none;
        position: fixed;
        z-index: 1;
        left: 0;
        top: 0;
        width: 100%;
        height: 100%;
        overflow: auto;
        background-color: rgba(0, 0, 0, 0.5);
    }

    .modal-content {
        background-color: rgb(251, 253, 253);
        color: rgb(28, 28, 28);
        margin: 10% auto;
        padding: 20px;
        border: 1px solid #888;
        width: 90%;
        max-width: 600px;
        border-radius: 8px;
        text-align: left;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    }

    .modal h2 {
        margin-top: 0;
        color: rgb(216, 43, 43);
        font-size: 20px;
    }

    .modal p {
        line-height: 1.5;
    }

    .modal button {
        margin: 10px;
        padding: 5px 10px;
        border: none;
        border-radius: 5px;
        cursor: pointer;
        font-size: 14px;
    }

    .modal .close {
        background-color: #969494;
        color: rgb(3, 3, 3);
    }

    .modal .activate {
        background-color: #0b640e;
        color: white;
    }

.spinner {
    display: none;
    position: fixed;
    z-index: 2;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    border: 9px solid #424242;
    border-top: 9px solid #f8fbfb;
    border-radius: 50%;
    width: 25px;
    height: 25px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}