/* Coach's Board: shared red-surface texture; the mask protects foreground copy. */
:root {
    --wwp-coach-grid-image:
        linear-gradient(rgba(255, 255, 255, 0.17) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.17) 1px, transparent 1px),
        linear-gradient(rgba(255, 255, 255, 0.055) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.055) 1px, transparent 1px);
    --wwp-coach-grid-size: 120px 120px, 120px 120px, 24px 24px, 24px 24px;
    --wwp-coach-grid-mask-left: radial-gradient(ellipse 70% 85% at 30% 42%, rgba(0, 0, 0, 0.3) 18%, #000 78%);
    --wwp-coach-grid-mask-top-left: radial-gradient(ellipse 70% 85% at 30% 22%, rgba(0, 0, 0, 0.3) 18%, #000 78%);
    --wwp-coach-grid-mask-center: radial-gradient(ellipse 55% 90% at 50% 50%, rgba(0, 0, 0, 0.3) 20%, #000 80%);
    --wwp-coach-grid-mask-right: radial-gradient(ellipse 70% 85% at 70% 42%, rgba(0, 0, 0, 0.3) 18%, #000 78%);
}