#captcha-container { 
    max-width: 500px; 
    margin: 120px auto; 
    text-align: center; 
}

#captcha-grid { 
    display: grid !important; 
    grid-template-columns: repeat(3, 1fr) !important; 
    gap: 10px; 
    width: 100%; 
    aspect-ratio: 1/1; 
    margin: 25px 0; 
}

.captcha-tile { 
    border: 2px solid #000; 
    background: #fff; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    cursor: pointer;
    transition: background 0.1s;
}

.captcha-tile:hover {
    background: #f0f0f0;
}

#captcha-receipt { 
    border: 2px solid #000; 
    padding: 20px; 
    text-align: left; 
    display: inline-block; 
    background: #fff; 
    line-height: 1.6; 
    font-size: 0.9rem;
}