.course-list{padding:2rem 0}.course-list-title{margin-bottom:2rem;font-size:2rem;font-weight:700}.course-list-grid{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.5rem;display:grid}.course-card{background:var(--background);border:1px solid #e5e7eb;border-radius:.5rem;padding:1.5rem;transition:box-shadow .2s,transform .2s}.course-card:hover{transform:translateY(-2px);box-shadow:0 4px 6px -1px #0000001a}.course-card-header{justify-content:space-between;align-items:flex-start;margin-bottom:1rem;display:flex}.course-card-title{margin:0;font-size:1.25rem;font-weight:600}.course-card-title a{color:var(--foreground);text-decoration:none}.course-card-title a:hover{color:#3b82f6}.course-card-count{color:#6b7280;white-space:nowrap;font-size:.875rem}.course-card-description{color:#6b7280;margin-bottom:1rem;line-height:1.6}.course-card-subcourses{flex-direction:column;gap:1rem;display:flex}.subcourse{border-top:1px solid #e5e7eb;padding-top:1rem}.subcourse-title{margin:0 0 .5rem;font-size:1rem;font-weight:600}.subcourse-title a{color:var(--foreground);text-decoration:none}.subcourse-title a:hover{color:#3b82f6}.subcourse-lessons,.course-card-lessons{flex-direction:column;gap:.5rem;display:flex}.lesson-link{color:var(--foreground);border-radius:.25rem;padding:.5rem;text-decoration:none;transition:background-color .2s}.lesson-link:hover{color:#3b82f6;background-color:#0000000d}.course-list-empty{text-align:center;color:#6b7280;padding:4rem 2rem}@media (prefers-color-scheme:dark){.course-card{border-color:#374151}.course-card:hover{box-shadow:0 4px 6px -1px #0000004d}.subcourse{border-top-color:#374151}.lesson-link:hover{background-color:#ffffff0d}}