:root{
--shadow-card-rest:0 1px 2px rgba(0,0,0,0.45);
--shadow-card-hover:0 8px 20px rgba(0,0,0,0.5),0 0 0 1px rgba(156,43,52,0.35);
--shadow-popover:0 12px 32px rgba(0,0,0,0.55);
--shadow-focus:0 0 0 3px rgba(178,58,68,0.35);
}