.course-page{max-width:850px;margin:auto}.course-page .card{margin-bottom:18px}.course-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:20px 0}.course-stats>div{background:#f5f6f8;border-radius:18px;padding:16px}.course-stats strong{display:block;font-size:1.2rem}.course-stats small{display:block;color:#737780;margin-bottom:6px}.course-preview{padding:18px;border:1px solid #9ed4ce;border-radius:18px;background:#f0faf8;margin:16px 0}.course-page label{display:block;margin:12px 0}.course-page input:not([type=checkbox]),.course-page textarea{width:100%}.course-history{border-top:1px solid #e7e8ed;padding-top:14px;margin-top:14px}.course-header{display:flex;gap:12px;justify-content:space-between;align-items:center}.course-page .actions{flex-wrap:wrap}.course-danger{color:#a54835}@media(max-width:540px){.course-stats{grid-template-columns:1fr}.course-stats strong{font-size:1.1rem}.course-header{align-items:flex-start;flex-direction:column}}