.ig-lms-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px}
.ig-lms-card{background:#fff;border:1px solid #e5e7eb;border-radius:14px;padding:14px;margin:10px 0}
.ig-lms-btn{display:inline-block;padding:10px 12px;border-radius:10px;background:#111827;color:#fff;text-decoration:none;border:0;cursor:pointer}
.ig-lms-btn-secondary{background:#374151}
.ig-lms-alert{background:#fef3c7;border:1px solid #f59e0b;padding:10px;border-radius:10px;margin:10px 0}

/* Back + breadcrumbs (course navigation) */
.ig-lms-course-nav{padding:6px 0 0 0}
.ig-lms-backline{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:0 0 10px 0}
.ig-lms-back-btn,.ig-lms-back-secondary{display:inline-block;text-decoration:none;font-weight:600;font-size:14px;color:#111827;background:#f3f4f6;padding:8px 12px;border-radius:10px}
.ig-lms-back-secondary{background:#e5e7eb;font-weight:500}
.ig-lms-back-btn:hover,.ig-lms-back-secondary:hover{background:#e5e7eb}
.ig-lms-breadcrumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:#6b7280;margin:0 0 8px 0}
.ig-lms-breadcrumbs a{color:#374151;text-decoration:none}
.ig-lms-breadcrumbs a:hover{text-decoration:underline}
.ig-lms-bc-sep{color:#9ca3af}
.ig-lms-bc-current{color:#111827;font-weight:600}

/* Sticky back on mobile */
@media (max-width: 768px){
  .ig-lms-course-nav{position:sticky;top:0;background:#fff;z-index:50;padding:10px 0 0 0;border-bottom:1px solid #e5e7eb}
  .ig-lms-backline{margin-bottom:8px}
}