#322Black Mirror Glass

A flat, near-black glossy panel — the base is barely-there vec3(0.01) so the frame reads as pure void. A handful of gaussian highlight bars, exp(-d²/σ) across a moving diagonal axis, sweep the surface at their own speeds, angles and widths; where two cross they pool into a brief brighter flare, and one bar periodically pulses like a passing reflection. A faint edge vignette and a low-frequency mottling of surface imperfection keep the black alive without lifting it. Move the pointer across the glass and a soft reflected highlight tracks it; press to swell that reflection.