Sales Performance Heatbar

import matplotlib.pyplot as plt
import numpy as np
from mpl_toolkits.mplot3d import Axes3D
from matplotlib.colors import LinearSegmentedColormap
import matplotlib.cm as cm

fig = plt.figure(figsize=(12, 8), facecolor='white')
ax = fig.add_subplot(111, projection='3d')
ax.set_facecolor('white')

regions = 5
quarters = 4
xpos = np.arange(regions)
ypos = np.arange(quarters)
xpos, ypos = np.meshgrid(xpos, ypos)
xpos = xpos.flatten()
ypos = ypos.flatten()
zpos = np.zeros_like(xpos)

dx = dy = 0.6
np.random.seed(1111)
dz = np.random.randint(50, 200, size=20)

cmap = LinearSegmentedColormap.from_list('', ['#276CF5', '#27D3F5', '#6CF527'])
norm = plt.Normalize(min(dz), max(dz))
bar_colors = [cmap(norm(v)) for v in dz]

bars = ax.bar3d(xpos, ypos, zpos, dx, dy, dz, color=bar_colors, alpha=0.9, edgecolor='#000000', linewidth=0.3)

sm = cm.ScalarMappable(cmap=cmap, norm=norm)
sm.set_array([])
cbar = fig.colorbar(sm, ax=ax, shrink=0.5, aspect=15, pad=0.1)
cbar.set_label('Sales (K)', fontsize=10, color='#1f2937')
cbar.ax.tick_params(colors='#000000')

ax.set_xlabel('Region', fontsize=11, color='#1f2937', labelpad=10)
ax.set_ylabel('Quarter', fontsize=11, color='#1f2937', labelpad=10)
ax.set_zlabel('Sales (K)', fontsize=11, color='#1f2937', labelpad=10)
ax.set_title('Sales Performance by Region', fontsize=14, color='#1f2937', fontweight='bold', pad=20)

ax.set_xticks(range(5))
ax.set_xticklabels(['North', 'South', 'East', 'West', 'Central'], fontsize=8)
ax.set_yticks(range(4))
ax.set_yticklabels(['Q1', 'Q2', 'Q3', 'Q4'])
ax.tick_params(colors='#000000', labelsize=9)

ax.xaxis.pane.fill = False
ax.yaxis.pane.fill = False
ax.zaxis.pane.fill = False
ax.xaxis.pane.set_edgecolor('#000000')
ax.yaxis.pane.set_edgecolor('#000000')
ax.zaxis.pane.set_edgecolor('#000000')
ax.grid(True, alpha=0.5, linewidth=0.5)
ax.xaxis._axinfo['grid']['color'] = '#000000'
ax.yaxis._axinfo['grid']['color'] = '#000000'
ax.zaxis._axinfo['grid']['color'] = '#000000'
ax.xaxis._axinfo['tick']['color'] = '#000000'
ax.yaxis._axinfo['tick']['color'] = '#000000'
ax.zaxis._axinfo['tick']['color'] = '#000000'
ax.xaxis.line.set_color('#000000')
ax.yaxis.line.set_color('#000000')
ax.zaxis.line.set_color('#000000')

plt.tight_layout()
plt.show()