.course-hero{max-width:1200px}.course-foundation{padding-top:40px}.course-module-grid,.course-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:36px}.course-module-grid article,.course-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:24px;box-shadow:var(--shadow-sm)}.course-module-grid span,.course-card-meta{font-size:12px;font-weight:850;color:var(--accent)}.course-module-grid h3,.course-card h3{font-size:22px;line-height:1.2;margin:10px 0}.course-module-grid ul,.course-detail ul{padding-left:20px;color:var(--muted)}.course-toolbar{display:grid;grid-template-columns:2fr 1fr;gap:14px;margin-top:34px}.course-toolbar label{font-weight:800;font-size:13px}.course-toolbar input,.course-toolbar select{display:block;width:100%;margin-top:7px;padding:13px 14px;border:1px solid var(--line-strong);border-radius:14px;background:#fff}.course-count{color:var(--muted);font-weight:700}.course-card-meta{display:flex;justify-content:space-between;gap:12px}.course-card>p{color:var(--muted)}.course-card details{border-top:1px solid var(--line);margin-top:18px;padding-top:15px}.course-card summary{cursor:pointer;font-weight:850}.course-detail>h4{margin-top:22px}.course-detail section{border-top:1px solid var(--line);padding-top:18px;margin-top:18px}.course-detail section small{color:var(--accent);font-weight:850}.course-resource-list{display:grid;gap:8px;margin-top:12px}.course-resource-list span{display:block;background:var(--surface-soft);border-radius:12px;padding:10px 12px;font-size:13px}.course-empty{grid-column:1/-1;padding:30px;text-align:center;background:#fff;border:1px solid var(--line);border-radius:20px}@media(max-width:900px){.course-module-grid,.course-grid{grid-template-columns:1fr 1fr}}@media(max-width:620px){.course-module-grid,.course-grid,.course-toolbar{grid-template-columns:1fr}.course-card-meta{align-items:flex-start;flex-direction:column}}.actions-center{justify-content:center}