[benchmark-website] Fix mobile charts, better colors, better tooltip

[palaska]

[codspeed-hq]

CodSpeed Performance Report

Merging this PR will improve performance by ×3.1

_{Comparing palaska:bp/benchmark-mobile (5ecd011) with develop (af072b6)}

Summary

⚡ 6 improved benchmarks
✅ 1112 untouched benchmarks
⏩ 1384 skipped benchmarks¹

Performance Changes

	Mode	Benchmark	BASE	HEAD	Efficiency
⚡	Simulation	take_map[(0.05, 0.05)]	577.8 µs	464.8 µs	+24.3%
⚡	Simulation	take_map[(0.05, 0.1)]	687.4 µs	616.6 µs	+11.47%
⚡	Simulation	take_map[(0.1, 0.1)]	1,228.1 µs	925.6 µs	+32.68%
⚡	Simulation	take_map[(0.1, 0.05)]	1,356.3 µs	778.5 µs	+74.21%
⚡	Simulation	take_map[(0.1, 1.0)]	11.1 ms	3.6 ms	×3.1
⚡	Simulation	take_map[(0.1, 0.5)]	5.4 ms	2.1 ms	×2.6

Footnotes

1. 1384 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩