body {
    font-family: 'Arial', sans-serif;
    background-color: #f0f8ff;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.container {
    background-color: #fff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    text-align: center;
    max-width: 400px;
    width: 100%;
}

h1 {
    color: #333;
    font-size: 24px;
    margin-bottom: 20px;
}

.controls {
    margin-top: 20px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}

.btn {
    padding: 10px;
    margin: 5px;
    border: none;
    border-radius: 50%;
    background-color: #6495ed;
    color: #fff;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s, transform 0.3s;
    width: 70px;
    height: 70px;
    position: relative;
}

.btn:hover {
    background-color: #4682b4;
    transform: scale(1.1);
}

.btn:disabled {
    background-color: #d3d3d3;
    cursor: not-allowed;
}

.audio-container{
    display: none;
}

.audio-container, .video-container {
    margin-top: 20px;
}

.video-container .loading {
    display: none;
    padding: 10px 20px;
    border: 1px solid #6495ed;
    border-radius: 5px;
    background-color: #e6f7ff;
    color: #333;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 222;
}

.video-container .loading i {
    font-size: 24px;
}

.video-container video {
    width: 100%;
    max-width: 600px;
    object-fit: cover;
}