/* Native disclosure controls keep all six grades compact on first entry. */
.ace-core-simple .ace-grade-curriculum { margin-top: 32px; }
.ace-core-simple .ace-grade-heading p { margin-top: 4px; color: #657383; font-size: 14px; }
.ace-grade-list { display: grid; gap: 10px; margin-top: 16px; }
.ace-grade-detail { border: 1px solid #dce4ed; border-radius: 10px; background: #fff; overflow: clip; }
.ace-grade-detail > summary {
  display: flex; align-items: center; gap: 14px; min-height: 64px;
  padding: 12px 20px; list-style: none; cursor: pointer;
  color: #213d59; background: var(--course-soft, #edf3ff);
}
.ace-grade-detail > summary::-webkit-details-marker { display: none; }
.ace-grade-detail > summary::marker { content: ''; }
.ace-grade-detail > summary:hover { filter: brightness(.98); }
.ace-grade-detail > summary:focus-visible { outline: 3px solid var(--course-accent); outline-offset: -4px; border-radius: 9px; }
.ace-grade-number { display: grid; place-items: center; flex: 0 0 38px; height: 38px; border-radius: 9px; background: #fff; color: #123f86; font-size: 14px; font-weight: 700; }
.ace-course-advanced .ace-grade-number { color: #08658f; }
.ace-course-competition .ace-grade-number { color: #805300; }
.ace-grade-name { font-size: 19px; font-weight: 700; }
.ace-grade-action { margin-left: auto; color: #566575; font-size: 13px; white-space: nowrap; }
.ace-grade-collapse-label { display: none; }
.ace-grade-detail[open] .ace-grade-expand-label { display: none; }
.ace-grade-detail[open] .ace-grade-collapse-label { display: inline; }
.ace-grade-chevron { width: 8px; height: 8px; flex: 0 0 8px; margin: -4px 3px 0 0; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: rotate(45deg); transition: transform .18s ease; }
.ace-grade-detail[open] .ace-grade-chevron { transform: translateY(4px) rotate(225deg); }
.ace-grade-body { padding: 20px 24px 24px; border-top: 1px solid #dce4ed; }
.ace-core-simple .ace-grade-points { margin: 0; padding-left: 1.3em; }
.ace-core-simple .ace-grade-points li { margin: 10px 0; padding-left: .25em; }
.ace-core-simple .ace-grade-points li:first-child { margin-top: 0; }
.ace-core-simple .ace-grade-points li:last-child { margin-bottom: 0; }
.ace-grade-points li::marker { color: var(--course-accent); }
.ace-grade-terms { display: grid; gap: 16px; margin: 0; }
.ace-grade-terms > div { display: grid; grid-template-columns: 4.5em minmax(0, 1fr); gap: 16px; }
.ace-grade-terms dt { color: #213d59; font-weight: 700; }
.ace-grade-terms dd { margin: 0; overflow-wrap: anywhere; }
@media (max-width: 700px) {
  .ace-core-simple .ace-grade-curriculum { margin-top: 24px; }
  .ace-grade-detail > summary { padding: 10px 14px; gap: 10px; min-height: 60px; }
  .ace-grade-name { font-size: 18px; }
  .ace-grade-body { padding: 16px; }
  .ace-grade-terms > div { grid-template-columns: 1fr; gap: 3px; }
}
@media (prefers-reduced-motion: reduce) {
  .ace-grade-chevron { transition: none; }
}