.track-list {
    list-style: none;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 1px 6px rgba(0, 0, 0, 0.06);
    overflow: hidden;
    margin-bottom: 28px;
}

.track-item {
    padding: 16px 18px;
    border-bottom: 1px solid #f0f1f3;
    display: flex;
    align-items: center;
    gap: 16px;
    cursor: pointer;
    transition: background 0.15s;
    position: relative;
    overflow: hidden;
}

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

.track-item:hover {
    background: #f7f8fa;
}

.track-item.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: #3a3f4b;
}

.track-info {
    flex: 1;
    min-width: 0;
}

.track-title {
    font-weight: 600;
    color: #1a1a2e;
    font-size: 0.95rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.track-artist {
    color: #8a8d9b;
    font-size: 0.82rem;
    margin-top: 2px;
}

.empty-state {
    text-align: center;
    padding: 50px 20px;
    color: #8a8d9b;
}

.empty-state i {
    font-size: 2.5rem;
    margin-bottom: 12px;
    color: #c7cad8;
}

.empty-state p {
    font-size: 0.95rem;
    margin-top: 8px;
}

@media (max-width: 768px) {
    .track-item {
        padding: 14px;
        gap: 12px;
    }

    .track-title {
        font-size: 0.9rem;
    }

    .track-artist {
        font-size: 0.78rem;
    }
}