.trivia-popup-overlay {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.75);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.trivia-popup-content {
    background: #fff;
    border-radius: 12px;
    max-width: 90%;
    width: 800px;
    padding: 1rem;
    position: relative;
    box-shadow: 0 5px 25px rgba(0,0,0,0.3);
}

.trivia-popup-close {
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 1.8rem;
    color: #333;
    cursor: pointer;
}

.trivia-popup-btn {
    background: #0073aa;
    color: white;
    padding: 10px 18px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.3s;
}

.trivia-popup-btn:hover {
    background: #005c87;
}

.trivia-iframe {
    width: 100%;
    height: 80vh;
    border: none;
}