.audio-player {
    max-width: 400px;
    width: 100%;
    background: #9a1c1c;
    color: white;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.3);
    font-family: sans-serif;
    box-sizing: border-box;
    margin-bottom: 40px;
}

.controls {
    display: flex;
    align-items: center;
    gap: 15px;
}

.audio-player button {
    background: none;
    border: none;
    color: white;
    font-size: 24px;
    cursor: pointer;
    flex-shrink: 0;
}

#volumeSlider {
    width: 100%;
    max-width: 150px;
    cursor: pointer;
    accent-color: #ffffff;
}

.progress-container {
    width: 100%;
    height: 10px;
    background: #1e1e1e;
    border-radius: 5px;
    overflow: hidden;
}

#progressBar {
    width: 0%;
    height: 100%;
    background: #ffffff;
    transition: width 0.2s;
}

.audio-player .controls i {
    cursor: pointer;
    border: 1px solid #fff;
    font-size: 3rem;
    border-radius: 100%;
}