return {
  dataset: context.editor.dataset,
  backgroundColor: {
    type: 'linear',
    x: 0, y: 0, x2: 0, y2: 1,
    colorStops: [
      { offset: 0, color: '#1E223C' },
      { offset: 1, color: '#0B1020' }
    ]
  },

  title: {
    text: 'Uso de Disco',
    left: 'center',
    top: '2%',
    textStyle: {
      color: '#fff',
      fontSize: 18,
      fontWeight: 'bold',
      fontFamily: 'Arial, sans-serif'
    }
  },

  legend: {
    orient: 'vertical',
    left: '3%',
    top: '15%',
    textStyle: {
      color: '#ccc',
      fontSize: 15
    },
    itemWidth: 15,
    itemHeight: 10,
    itemGap: 5
  },

  series: [
    {
      type: 'pie',
      radius: '65%',
      center: ['50%', '58%'],
      avoidLabelOverlap: true,
      itemStyle: {
        borderColor: '#1E223C',
        borderWidth: 3,
        borderRadius: 5
      },
      label: {
        show: true,
        formatter: function (label) {
          if (label.percent < 3) return '';
          const gb = (label.data[1] / (1024 ** 3)).toFixed(2);
          return `${label.data[0]}\n${gb} GB\n(${label.percent}%)`;
        },
        color: '#eee',
        fontSize: 11,
        lineHeight: 14,
        fontWeight: 'normal'
      },
      labelLine: {
        show: true,
        length: 10,
        length2: 5
      },
      emphasis: {
        label: {
          show: true,
          fontSize: 13,
          fontWeight: 'bold'
        },
        itemStyle: {
          shadowBlur: 10,
          shadowOffsetX: 0,
          shadowColor: 'rgba(255, 255, 255, 0.3)'
        }
      }
    }
  ],

  color: ['#ff6b6b', '#51cf66', '#339af0', '#ff922b', '#cc5de8'],

  tooltip: {
    trigger: 'item',
    backgroundColor: 'rgba(20, 24, 40, 0.95)',
    borderWidth: 2,
    textStyle: {
      color: '#fff',
      fontSize: 12
    },
    formatter: function (params) {
      const value = params.data[1];
      const gb = (value / (1024 ** 3)).toFixed(2);
      return `
        <div style="margin: 5px 0;">
          <span style="color: ${params.color}; font-weight: bold">●</span>
          <strong style="margin-left: 5px">${params.data[0]}</strong>
        </div>
        <div>${gb} GB</div>
        <div>${params.percent || 0}% do total</div>
      `;
    }
  },

  responsive: true
};