.ttb-yt-thumbnail-container {
    background: #f3f4f6;
    border-radius: 16px;
    padding: 24px;
    max-width: 700px;
    margin: 20px auto;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    font-family: Arial, sans-serif;
}

.ttb-yt-thumbnail-container h2 {
    text-align: center;
    margin-bottom: 16px;
}

#ttb-yt-input {
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
    border-radius: 8px;
    border: 1px solid #ccc;
}

#ttb-yt-fetch {
    display: block;
    width: 100%;
    padding: 10px;
    background-color: #3b82f6;
    color: white;
    font-size: 16px;
    font-weight: bold;
    border: none;
    border-radius: 8px;
    margin-bottom: 20px;
    cursor: pointer;
}

#ttb-yt-thumbnails img {
    max-width: 100%;
    margin: 10px 0;
    border: 1px solid #ccc;
    border-radius: 6px;
}

.ttb-yt-thumbnail-block {
    margin-bottom: 20px;
}

.ttb-copy-url {
    width: 100%;
    padding: 6px;
    font-size: 14px;
    border-radius: 6px;
    margin: 4px 0;
    border: 1px solid #aaa;
}

.ttb-copy-btn {
    background-color: #1e90ff;
    color: white;
    padding: 6px 12px;
    margin-top: 5px;
    cursor: pointer;
    border: none;
    border-radius: 6px;
    font-size: 14px;
}