.uupg-glass-card {
    padding: 25px;
    border-radius: 16px;
    backdrop-filter: blur(12px);
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.25);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    max-width: 320px;
    margin: 20px auto;
    text-align: center;
    color: inherit;
}

.uupg-glass-card h3 {
    margin-bottom: 10px;
    font-size: 20px;
}

.uupg-pin-value {
    font-size: 32px;
    font-weight: bold;
    margin-bottom: 15px;
    padding: 10px 0;
    letter-spacing: 3px;
}

.uupg-btn {
    padding: 10px 20px;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    font-size: 15px;
    font-weight: 600;
    background: linear-gradient(135deg, var(--wp--preset--color--primary, #4a90e2), var(--wp--preset--color--secondary, #6dd5fa));
    color: #fff;
    transition: 0.2s ease;
}

.uupg-btn:hover {
    transform: scale(1.05);
}

.uupg-message {
    margin-top: 10px;
    font-size: 14px;
}