.course-history{margin:18px 2px 0;border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.78);box-shadow:var(--soft-shadow);overflow:hidden}.course-history>summary{cursor:pointer;list-style:none;padding:14px 16px;color:var(--navy);font-weight:850}.course-history>summary::-webkit-details-marker{display:none}.course-history>summary:after{content:"+";float:right;color:var(--blue)}.course-history[open]>summary:after{content:"−"}.course-history-body{padding:0 16px 16px;display:grid;gap:12px}.course-week{border-top:1px solid var(--line);padding-top:12px}.course-week h2{margin:0 0 8px;font-size:1rem;color:var(--navy)}.course-week ul{margin:0 0 8px;padding-left:1.2rem;color:var(--muted);font-size:.82rem;line-height:1.45}.course-week p{margin:4px 0;color:var(--muted);font-size:.8rem;line-height:1.4}.course-week strong{color:var(--navy)}.course-history-note{margin:2px 0 0;padding:10px 12px;border-radius:11px;background:var(--sky);color:var(--muted);font-size:.78rem;line-height:1.4}@media(min-width:700px){.course-history-body{grid-template-columns:1fr 1fr}.course-history-note{grid-column:1/-1}}