Hatch Pattern Stairs

import matplotlib.pyplot as plt
import numpy as np

COLORS = {
    'actual': '#6366F1',
    'target': '#10B981',
    'background': '#FFFFFF',
    'text': '#1E293B',
    'text_muted': '#64748B',
    'grid': '#F1F5F9'
}

edges = np.arange(9)
quarters = ['Q1', 'Q2', 'Q3', 'Q4', 'Q1', 'Q2', 'Q3', 'Q4']
actual = [45, 52, 48, 58, 62, 55, 68, 72]
target = [50, 50, 50, 55, 55, 60, 60, 65]

fig, ax = plt.subplots(figsize=(10, 6), dpi=100)
ax.set_facecolor(COLORS['background'])
fig.patch.set_facecolor(COLORS['background'])

# Target (dashed line only)
ax.stairs(target, edges, linewidth=2.5, color=COLORS['target'], linestyle='--', label='Target')

# Actual with light fill
ax.stairs(actual, edges, fill=True, alpha=0.2, facecolor=COLORS['actual'], linewidth=0)
ax.stairs(actual, edges, linewidth=2.5, color=COLORS['actual'], label='Actual')

# Markers
midpoints = edges[:-1] + 0.5
ax.scatter(midpoints, actual, s=60, c=COLORS['actual'], edgecolors='white', linewidths=2, zorder=4)

ax.spines['top'].set_visible(False)
ax.spines['right'].set_visible(False)
ax.spines['left'].set_color(COLORS['grid'])
ax.spines['bottom'].set_color(COLORS['grid'])
ax.yaxis.grid(True, color=COLORS['grid'], linewidth=1, zorder=0)
ax.set_axisbelow(True)
ax.tick_params(axis='both', colors=COLORS['text_muted'], labelsize=9, length=0, pad=8)
ax.set_xticks(midpoints)
ax.set_xticklabels(quarters)
ax.set_xlim(0, 8)
ax.set_ylim(0, 85)
ax.set_ylabel('Revenue ($M)', fontsize=10, color=COLORS['text'], labelpad=10)
ax.legend(loc='upper center', bbox_to_anchor=(0.5, -0.12), ncol=2, frameon=False, fontsize=10, labelcolor=COLORS['text_muted'])

plt.tight_layout()
plt.show()