.track-list {
    list-style: none;
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    margin-bottom: 30px;
}

.track-item {
    padding: 20px;
    border-bottom: 1px solid #eee;
    display: flex;
    align-items: center;
    gap: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.track-item:last-child {
    border-bottom: none;
}

.track-item:hover {
    background-color: #f8f9fa;
    transform: translateX(5px);
}

.track-item.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(135deg, #bbc0d4 0%, #bab5c0 100%);
}

.track-item.playing {
    background-color: #e3f2fd;
}

.track-item.playing .track-title {
    color: #667eea;
}

.track-info {
    flex: 1;
}

.track-title {
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 5px;
    font-size: 1.1rem;
}

.track-artist {
    color: #7f8c8d;
    font-size: 0.95rem;
}

.empty-state {
    text-align: center;
    padding: 50px 20px;
    color: #7f8c8d;
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 15px;
    color: #bdc3c7;
}

.empty-state p {
    font-size: 1.1rem;
    margin-top: 10px;
}

@media (max-width: 768px) {
    .track-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
        padding: 15px;
    }
}