:root{
--shadow-card:0 2px 8px rgba(19,70,123,.10);
--shadow-raised:0 8px 24px rgba(19,70,123,.16);
--tab-opacity-lo:.5; /* @kind other */ /* guideline: "bigger tab" transparency 50–80% */
--tab-opacity-hi:.8; /* @kind other */
--ease-standard:cubic-bezier(.4,0,.2,1); /* @kind other */
--duration-fast:120ms; /* @kind other */
--duration-base:200ms; /* @kind other */
}