.home-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.question-text,.stem{white-space:pre-wrap;overflow-wrap:anywhere}
.option span:last-child{min-width:0;overflow-wrap:anywhere}
.card .katex-display{max-width:100%;overflow-x:auto;overflow-y:hidden;padding:4px 0}
.unit-cards:empty{display:none}
.source-booklet{color:#667085;background:#f5f6f8}
@media(max-width:700px){.home-grid{grid-template-columns:1fr}h1.site-title{max-width:none;flex:1;min-width:0}.site-title-text{white-space:nowrap;font-size:15px}.course-intro h2{font-size:clamp(24px,7vw,34px)}.title-actions{gap:6px}}