:root{
/* Depth on an instrument face comes from border luminance and glow, not from blur */
--shadow-none:none;
--shadow-card:none;
--shadow-raised:0 0 0 1px var(--border-strong),0 0 18px rgba(79,224,192,.06);
--shadow-overlay:0 24px 60px -10px rgba(0,0,0,.85),0 0 0 1px var(--border-hairline);
--shadow-glow:var(--glow-phos);
--ring-focus:0 0 0 1px var(--phos-500),0 0 12px rgba(79,224,192,.35);
--ring-selected:inset 0 0 0 1px var(--phos-500);
--scrim:rgba(5,7,8,.82);
--overlay-scanline:repeating-linear-gradient(0deg,var(--scanline) 0 1px,transparent 1px 3px);
--overlay-grid:linear-gradient(var(--grid-line) 1px,transparent 1px),linear-gradient(90deg,var(--grid-line) 1px,transparent 1px)}