Reading the close-up: the knob is dominated by a big metallic chrome
disc that occupies most of its surface. The dark part is just a thin
outer rim. The indicator is a small dark notch on the disc that
rotates with the value (the disc itself stays vertically lit).
- Thin dark rim around the outside (~3px @ 56).
- Large metallic disc fills the inside (radial gradient, brushed-metal
striations from center outward, top crescent highlight).
- Indicator is a small dark triangular notch on the disc, base near
the center, tip toward the rim, rotated to the value angle.
- Amber arc kept outside everything as a value-progress meter.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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