feat(seaborn): implement spectrogram-basic

plots/spectrogram-basic/implementations/python/seaborn.py

@@ -1,15 +1,24 @@
-""" pyplots.ai
+""" anyplot.ai
 spectrogram-basic: Spectrogram Time-Frequency Heatmap
-Library: seaborn 0.13.2 | Python 3.13.11
-Quality: 91/100 | Created: 2025-12-31
+Library: seaborn 0.13.2 | Python 3.13.13
+Quality: 86/100 | Updated: 2026-05-15
 """
 
+import os
+
 import matplotlib.pyplot as plt
 import numpy as np
 import seaborn as sns
 from scipy import signal
 
 
+# Theme tokens
+THEME = os.getenv("ANYPLOT_THEME", "light")
+PAGE_BG = "#FAF8F1" if THEME == "light" else "#1A1A17"
+ELEVATED_BG = "#FFFDF6" if THEME == "light" else "#242420"
+INK = "#1A1A17" if THEME == "light" else "#F0EFE8"
+INK_SOFT = "#4A4A44" if THEME == "light" else "#B8B7B0"
+
 # Data - chirp signal with increasing frequency
 np.random.seed(42)
 sample_rate = 4000  # Hz
@@ -32,7 +41,8 @@
 Sxx_dB = 10 * np.log10(Sxx + 1e-10)
 
 # Create plot
-fig, ax = plt.subplots(figsize=(16, 9))
+fig, ax = plt.subplots(figsize=(16, 9), facecolor=PAGE_BG)
+ax.set_facecolor(PAGE_BG)
 
 # Flip data vertically so low frequencies are at bottom (standard convention)
 Sxx_dB_flipped = np.flipud(Sxx_dB)
@@ -54,23 +64,28 @@
 time_tick_positions = np.linspace(0, Sxx_dB.shape[1], 5)
 time_tick_labels = [f"{t:.1f}" for t in np.linspace(0, duration, 5)]
 ax.set_xticks(time_tick_positions)
-ax.set_xticklabels(time_tick_labels, fontsize=16)
+ax.set_xticklabels(time_tick_labels, fontsize=16, color=INK_SOFT)
 
 # Calculate tick positions for frequency axis (low to high, bottom to top)
 freq_tick_positions = np.linspace(0, Sxx_dB.shape[0], 5)
 freq_tick_labels = [f"{int(f)}" for f in np.linspace(frequencies[0], frequencies[-1], 5)]
 ax.set_yticks(freq_tick_positions)
-ax.set_yticklabels(freq_tick_labels[::-1], fontsize=16)
+ax.set_yticklabels(freq_tick_labels[::-1], fontsize=16, color=INK_SOFT)
 
 # Labels and styling
-ax.set_xlabel("Time (s)", fontsize=20)
-ax.set_ylabel("Frequency (Hz)", fontsize=20)
-ax.set_title("spectrogram-basic · seaborn · pyplots.ai", fontsize=24, pad=20)
+ax.set_xlabel("Time (s)", fontsize=20, color=INK)
+ax.set_ylabel("Frequency (Hz)", fontsize=20, color=INK)
+ax.set_title("spectrogram-basic · seaborn · anyplot.ai", fontsize=24, color=INK, pad=20)
 
-# Adjust colorbar label size
+# Style the colorbar
 cbar = ax.collections[0].colorbar
-cbar.ax.tick_params(labelsize=14)
+cbar.ax.tick_params(labelsize=14, colors=INK_SOFT)
 cbar.ax.yaxis.label.set_size(18)
+cbar.ax.yaxis.label.set_color(INK)
+
+# Set spine colors
+for spine in ax.spines.values():
+    spine.set_color(INK_SOFT)
 
 plt.tight_layout()
-plt.savefig("plot.png", dpi=300, bbox_inches="tight")
+plt.savefig(f"plot-{THEME}.png", dpi=300, bbox_inches="tight", facecolor=PAGE_BG)