.lh-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;display:grid}.lh-card{background:var(--db-surface);min-width:0;color:var(--db-text);border:1px solid var(--db-line);border-radius:10px;flex-direction:column;display:flex;position:relative;overflow:hidden}.lh-cover{aspect-ratio:16/8;background:var(--db-soft);position:relative;overflow:hidden}.lh-cover img{object-fit:cover;width:100%;height:100%;display:block}.lh-placeholder{background:var(--db-soft);height:100%;color:var(--db-text);justify-content:center;align-items:center;gap:8px;display:flex}.lh-placeholder span{letter-spacing:1px;font-size:8px}.lh-placeholder svg{width:25px}.lh-badge{background:var(--db-surface);color:var(--db-text);border:1px solid var(--db-line);border-radius:7px;padding:4px 7px;font-size:10px;font-weight:700;position:absolute;top:8px;left:8px}.lh-body{flex-direction:column;flex:1;padding:13px;display:flex}.lh-grid .lh-body h3{letter-spacing:-.01em;-webkit-line-clamp:2;-webkit-box-orient:vertical;min-height:42px;margin:0;font-size:15px;font-weight:550;line-height:1.4;display:-webkit-box;overflow:hidden}.lh-grid .lh-body h3 a{color:inherit;text-decoration:none}.dz-lrn .lh-grid .lh-body h3{font-weight:450}.lh-grid .lh-summary{color:var(--db-muted);white-space:nowrap;text-overflow:ellipsis;min-height:20px;margin:7px 0;font-size:12px;line-height:1.5;overflow:hidden}.lh-body>small{color:var(--db-muted);white-space:nowrap;text-overflow:ellipsis;font-size:11px;overflow:hidden}.lh-actions{align-items:center;gap:7px;margin-top:auto;padding-top:14px;display:flex}.lh-grid .lh-actions .db-button{white-space:nowrap;border-radius:6px;flex:1;justify-content:center;align-items:center;min-width:0;height:38px;min-height:38px;margin:0;padding:8px;font-size:12px;line-height:1.2;display:inline-flex}.lh-actions>button:not(.db-button){background:var(--db-surface);position:absolute;top:8px;right:8px}.lh-unavailable{border:1px dashed var(--db-line);height:38px;color:var(--db-muted);border-radius:6px;flex:1;justify-content:center;align-items:center;font-size:12px;display:inline-flex}.lh-progress{color:var(--db-muted);gap:7px;margin-top:14px;font-size:11px;display:grid}.lh-progress progress{width:100%;height:6px;accent-color:var(--db-action)}.lh-section{margin-bottom:32px}.lh-section h2,.dz-lrn .db-app .lh-section h2{letter-spacing:-.7px;color:var(--db-text);margin:0 0 20px;font-size:22px;font-weight:450}.lh-empty{border:1px dashed var(--db-line);background:var(--db-surface);color:var(--db-text);border-radius:12px;align-items:center;gap:16px;padding:22px;font-size:14px;display:flex}.lh-empty p{color:var(--db-muted);margin:5px 0 0;font-size:13px}.lh-empty a{color:var(--db-text);font-weight:600}.lh-empty svg{flex-shrink:0}@media (min-width:1200px){.lh-grid{grid-template-columns:repeat(5,minmax(0,1fr))}}@media (max-width:900px){.lh-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (max-width:650px){.lh-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.lh-body{padding:10px}.lh-grid .lh-actions .db-button{font-size:11px}.lh-section h2,.dz-lrn .db-app .lh-section h2{font-size:20px}}@media (max-width:360px){.lh-grid{grid-template-columns:1fr}}