.video-container {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 */
    height: 0;
    overflow: hidden;
    max-width: 960px;
    margin: 0 auto;
}

    .video-container iframe {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
    }

#retryButton {
    background-color: white;
    border: 2px solid #004080;
    padding: 10px 24px;
    font-size: 1rem;
    font-weight: 500;
    border-radius: 8px;
    color: #004080;
    cursor: pointer;
    transition: all 0.3s ease;
}

    #retryButton:hover {
        background-color: #004080;
        color: white;
    }

@media (max-width: 768px) {
    h4 {
        font-size: 1.25rem;
        padding: 0 1rem;
    }

    .video-container {
        max-width: 100%;
        padding-left: 0;
        padding-right: 0;
    }

    #retryButton {
        font-size: 1rem;
        width: 80%;
        max-width: 320px;
        padding: 8px 16px;
    }

    #fallbackMessage p {
        font-size: 1rem;
    }

    #videoSelector {
        width: 100% !important;
        max-width: none !important;
        font-size: 1rem;
        padding: 8px 12px;
        margin-bottom: 1rem;
    }
}