body {
    margin: 0;
    font-family: 'Arial', sans-serif;
    background: #121212;
    color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.app-container {
    text-align: center;
    width: 100%;
    max-width: 400px;
    background: #1c1c1c;
    border-radius: 20px;
    padding: 20px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
}

.header .logo {
    width: 120px;
    height: auto;
    margin: 0 auto;
}

.radio-name {
    margin: 10px 0;
    font-size: 1.5em;
    color: #c8519e;
}

.audio-player {
    margin: 20px 0;
}

.btn-play, .btn-stop {
    background: #c8519e;
    border: none;
    border-radius: 50%;
    color: #fff;
    font-size: 1.5em;
    width: 60px;
    height: 60px;
    margin: 5px;
    cursor: pointer;
    box-shadow: 0 3px 10px rgba(200, 81, 158, 0.6);
    outline: none;
    transition: transform 0.3s;
}

.btn-play:hover, .btn-stop:hover {
    transform: scale(1.1);
}

.volume-control .volume-slider {
    width: 100%;
    margin-top: 10px;
}

#vuMeterCanvas {
    margin-top: 20px;
    background: #000;
    border-radius: 10px;
    display: block;
    margin: 20px auto;
}