/**
 * Video Quiz Popover - Fullscreen Overlay
 * Similar to read-along book popover system
 */

/* Video Quiz Popover Container */
#video-quiz-popover {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

#video-quiz-popover.active {
    display: flex;
}

/* Popover Content Wrapper */
.video-quiz-popover-content {
    position: relative;
    width: 100%;
    max-width: 1000px;
    height: auto;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

/* Close Button */
.video-quiz-close-btn {
    position: absolute;
    top: -50px;
    right: 0;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 50%;
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    transition: all 0.3s ease;
    color: #fff !important;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.video-quiz-close-btn:hover {
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-color: rgba(255, 255, 255, 0.4);
    transform: rotate(90deg);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

/* Responsive */
@media (max-width: 768px) {
    #video-quiz-popover {
        padding: 10px;
    }

    .video-quiz-popover-content {
        max-height: 95vh;
    }

    .video-quiz-close-btn {
        top: 10px;
        right: 10px;
        width: 35px;
        height: 35px;
        font-size: 1.2rem;
    }
}