.modern-player {
    transform: translateY(0);
    transition: transform 0.3s ease-in-out;
}

.modern-player.collapsed {
    transform: translateY(calc(100% - 40px));
}

.player-collapse-btn {
    position: absolute;
    top: -20px;
    right: 20px;
    background: #1DB954;
    border: none;
    border-radius: 20px 20px 0 0;
    color: white;
    width: 40px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.player-collapse-btn:hover {
    background: #1ed760;
}

.player-collapse-btn svg {
    transition: transform 0.3s ease;
}

.modern-player.collapsed .player-collapse-btn svg {
    transform: rotate(180deg);
}