/* penumbra-prealg.css: intentionally minimal. Pages are self-contained on inline styles. This file exists so legacy link refs resolve 200 instead of 404. GROUNDWORK. */ /* Teacher drawer. Any page under /teach/ adds class .zt to and flips to a light drawer skin. These four values are that skin, kept here so the whole course vocabulary lives in one file. */ .zt { --zt-sheet: #F4F1EA; /* drawer paper */ --zt-ink: #242118; /* drawer text */ --zt-panel: #FFFFFF; /* drawer panel */ --zt-rail: #D9D2C2; /* drawer hairline */ }