.curriculum-explorer {
  --curriculum-blue: #176b87;
  --curriculum-blue-dark: #0c4962;
  --curriculum-teal: #0c8e89;
  --curriculum-paper: #f7fbfc;
  --curriculum-border: #d6e6eb;
  display: grid;
  gap: 12px;
  min-width: 0;
}

.curriculum-explorer * { box-sizing: border-box; }

body.school-curriculum-active .workspace-context-bar { display: none; }
body.school-curriculum-active .content {
  overflow: visible;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
}
body.school-curriculum-active .content::before { display: none; }
body.curriculum-explorer-expanded { overflow: hidden; }

#curriculum-explorer-root.is-expanded {
  overflow: hidden;
  padding: 12px;
  background: #edf7f9;
  position: fixed;
  z-index: 10000;
  inset: 0;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  overscroll-behavior: contain;
}

#curriculum-explorer-root.is-expanded .curriculum-explorer {
  height: 100%;
}

#curriculum-explorer-root.is-expanded .curriculum-explorer__hero {
  display: none;
}

#curriculum-explorer-root.is-expanded .curriculum-explorer__panes {
  height: 100%;
  min-height: 0;
}

#curriculum-explorer-root.is-expanded .curriculum-pane {
  height: 100%;
  min-height: 0;
  border-radius: 12px;
}

.curriculum-explorer__hero {
  display: grid;
  gap: 10px;
  padding: 18px 20px;
  border: 1px solid var(--curriculum-border);
  border-radius: 18px;
  background:
    radial-gradient(circle at 92% 8%, rgba(121, 191, 67, 0.18), transparent 28%),
    linear-gradient(135deg, #ffffff 0%, #eff9fa 100%);
  box-shadow: 0 14px 34px rgba(13, 74, 98, 0.08);
}

.curriculum-explorer__hero-topline,
.curriculum-explorer__hero-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-width: 0;
}

.curriculum-explorer__hero-main { align-items: end; }

.curriculum-explorer__eyebrow {
  margin: 0;
  color: var(--curriculum-teal);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.curriculum-explorer__program-switcher {
  position: relative;
  flex: 0 0 auto;
}

.curriculum-explorer__program-switcher summary {
  cursor: pointer;
  list-style: none;
  border: 1px solid #bcd6df;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.9);
  color: var(--curriculum-blue-dark);
  font-size: 0.78rem;
  font-weight: 800;
  padding: 7px 11px;
}

.curriculum-explorer__program-switcher summary::-webkit-details-marker { display: none; }

.curriculum-explorer__program-menu {
  position: absolute;
  z-index: 10;
  top: calc(100% + 8px);
  right: 0;
  display: grid;
  gap: 8px;
  width: min(390px, calc(100vw - 48px));
  padding: 12px;
  border: 1px solid var(--curriculum-border);
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 16px 34px rgba(13, 74, 98, 0.16);
}

.curriculum-explorer__program-menu > strong {
  color: #24475b;
  font-size: 0.8rem;
}

.curriculum-explorer__program-option {
  display: grid;
  gap: 2px;
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #d2e3e8;
  border-radius: 10px;
  background: #f8fbfc;
  color: #18394c;
  cursor: pointer;
  font: inherit;
  text-align: left;
}

.curriculum-explorer__program-option:hover { border-color: #89c7d0; background: #f0fafb; }
.curriculum-explorer__program-option.is-active { border-color: var(--curriculum-teal); background: #eaf8f7; }
.curriculum-explorer__program-option span { font-size: 0.9rem; font-weight: 850; }
.curriculum-explorer__program-option small { color: #607580; font-size: 0.72rem; line-height: 1.35; }

.curriculum-explorer__hero h2 {
  margin: 0;
  color: #123047;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(1.4rem, 2.4vw, 2.15rem);
}

.curriculum-explorer__hero p:not(.curriculum-explorer__eyebrow) {
  max-width: 760px;
  margin: 8px 0 0;
  color: #526775;
  line-height: 1.55;
}

.curriculum-explorer__mode {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--curriculum-border);
  border-radius: 999px;
  background: #fff;
}

.curriculum-explorer__mode button,
.curriculum-explorer__compare,
.curriculum-explorer__expand,
.curriculum-explorer__tab,
.curriculum-explorer__load-more,
.curriculum-explorer__close-compare {
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: #365364;
  cursor: pointer;
  font: inherit;
  font-size: 0.83rem;
  font-weight: 750;
  padding: 9px 13px;
}

.curriculum-explorer__mode button[aria-pressed="true"],
.curriculum-explorer__tab[aria-selected="true"] {
  background: var(--curriculum-blue-dark);
  color: #fff;
}

.curriculum-explorer label,
.curriculum-pane__filter {
  display: grid;
  gap: 6px;
  color: #49616f;
  font-size: 0.77rem;
  font-weight: 760;
}

.curriculum-explorer select,
.curriculum-explorer input {
  width: 100%;
  min-height: 42px;
  border: 1px solid #c8dce3;
  border-radius: 10px;
  background: #fff;
  color: #163246;
  font: inherit;
  padding: 9px 11px;
}

.curriculum-explorer select:focus,
.curriculum-explorer input:focus,
.curriculum-explorer button:focus-visible {
  outline: 3px solid rgba(16, 174, 184, 0.28);
  outline-offset: 2px;
}

.curriculum-explorer__compare {
  min-height: 42px;
  background: #e7f5f6;
  color: #075c65;
}

.curriculum-explorer__expand {
  min-height: 42px;
  border: 1px solid #bdd7df;
  background: #fff;
  color: #174b61;
}

.curriculum-explorer__compare[aria-pressed="true"] {
  background: #dcefe2;
  color: #275c25;
}

.curriculum-explorer__context-note {
  margin: 0;
  color: #5b6d77;
  font-size: 0.78rem;
}

.curriculum-explorer__panes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  min-width: 0;
}

.curriculum-explorer.is-comparing .curriculum-explorer__panes {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.curriculum-pane {
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr);
  min-width: 0;
  height: min(760px, calc(100vh - 245px));
  min-height: 560px;
  overflow: hidden;
  border: 1px solid var(--curriculum-border);
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 12px 30px rgba(13, 74, 98, 0.07);
}

.curriculum-pane[hidden] { display: none; }

.curriculum-pane__header {
  display: grid;
  gap: 0;
  padding: 12px 14px;
  border-bottom: 1px solid var(--curriculum-border);
  background: var(--curriculum-paper);
}

.curriculum-explorer__close-compare {
  padding: 5px 9px;
  color: #5b6d77;
}

.curriculum-pane__filters {
  display: grid;
  grid-template-columns: minmax(150px, 0.85fr) minmax(150px, 0.8fr) minmax(220px, 1.4fr) auto;
  gap: 10px;
  align-items: end;
}

.curriculum-pane__filter-actions {
  display: flex;
  align-items: end;
  gap: 8px;
}

.curriculum-pane__filter-actions .curriculum-explorer__compare,
.curriculum-pane__filter-actions .curriculum-explorer__expand { white-space: nowrap; }

.curriculum-explorer.is-comparing .curriculum-pane__filters {
  grid-template-columns: repeat(2, minmax(130px, 1fr));
}

.curriculum-explorer.is-comparing .curriculum-pane__search { grid-column: 1 / -1; }
.curriculum-explorer.is-comparing .curriculum-pane__filter-actions { grid-column: 1 / -1; }

.curriculum-pane__tabs {
  display: flex;
  gap: 5px;
  overflow-x: auto;
  padding: 10px 14px;
  border-bottom: 1px solid var(--curriculum-border);
  scrollbar-width: thin;
}

.curriculum-pane__empty.is-error {
  color: #873b3b;
  background: #fff6f4;
  border: 1px solid #e8b9b1;
  border-radius: 12px;
  margin: 14px;
  padding: 16px;
}

.curriculum-explorer__tab {
  flex: 0 0 auto;
  padding: 7px 10px;
  background: #f0f6f8;
  font-size: 0.77rem;
}

.curriculum-pane__body {
  display: grid;
  grid-template-columns: minmax(230px, 0.8fr) minmax(300px, 1.2fr);
  min-height: 0;
  overflow: hidden;
}

.curriculum-pane__results,
.curriculum-pane__detail {
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
}

.curriculum-pane__results {
  padding: 12px;
  border-right: 1px solid var(--curriculum-border);
  background: #fbfdfe;
}

.curriculum-pane__detail { padding: 18px; }

.curriculum-result small.curriculum-result__match {
  color: #08747c;
  font-weight: 700;
}

.curriculum-detail__groups {
  display: grid;
  gap: 12px;
}

.curriculum-detail__group {
  border-left: 3px solid #cce8e3;
  padding-left: 12px;
}

.curriculum-detail__group h5 {
  margin: 0 0 6px;
  color: #315b67;
  font-size: 0.8rem;
}

.curriculum-detail__lead,
.curriculum-detail__disclosure {
  margin-top: 14px;
  border: 1px solid #d4e7e6;
  border-radius: 12px;
  background: #f7fcfb;
  color: #315b67;
}

.curriculum-detail__lead {
  border-left: 4px solid var(--curriculum-teal);
  background: linear-gradient(135deg, #f8fdfc 0%, #eef9f7 100%);
}

.curriculum-detail__lead summary,
.curriculum-detail__disclosure summary {
  cursor: pointer;
  padding: 11px 13px;
  font-size: 0.83rem;
  font-weight: 800;
}

.curriculum-detail__lead[open] summary,
.curriculum-detail__disclosure[open] summary {
  border-bottom: 1px solid #dbeae9;
}

.curriculum-detail__lead .curriculum-detail__description,
.curriculum-detail__disclosure .curriculum-detail__description {
  padding: 13px 14px 8px;
}

.curriculum-detail__source-link {
  margin: 3px 14px 13px;
  border: 0;
  background: transparent;
  color: var(--curriculum-blue);
  cursor: pointer;
  font: inherit;
  font-size: 0.74rem;
  font-weight: 800;
  padding: 0;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.curriculum-detail__group.is-singleton {
  border-left: 0;
  padding-left: 0;
}

.curriculum-result {
  width: 100%;
  margin: 0 0 8px;
  border: 1px solid #d7e5e9;
  border-radius: 12px;
  background: #fff;
  color: #183247;
  cursor: pointer;
  padding: 12px;
  text-align: left;
}

.curriculum-result:hover { border-color: #75bcc3; }
.curriculum-result.is-active {
  border-color: var(--curriculum-teal);
  background: #eefafa;
  box-shadow: inset 3px 0 var(--curriculum-teal);
}

.curriculum-result__meta,
.curriculum-detail__meta,
.curriculum-detail__scopes {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  align-items: center;
}

.curriculum-result__meta { margin-bottom: 6px; }

.curriculum-result__kind,
.curriculum-result__number,
.curriculum-detail__chip {
  display: inline-flex;
  border-radius: 999px;
  background: #eaf3f6;
  color: #3c5b6a;
  font-size: 0.68rem;
  font-weight: 750;
  padding: 3px 7px;
}

.curriculum-result__number { background: #eef6e8; color: #47722e; }

.curriculum-result strong {
  display: block;
  font-size: 0.88rem;
  line-height: 1.35;
}

.curriculum-result small {
  display: block;
  margin-top: 5px;
  color: #687984;
  line-height: 1.35;
}

.curriculum-detail__breadcrumb {
  margin: 0 0 10px;
  color: #62747e;
  font-size: 0.75rem;
  line-height: 1.45;
}

.curriculum-detail h3 {
  margin: 8px 0 10px;
  color: #102f45;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.2rem;
  line-height: 1.28;
}

.curriculum-detail__description {
  color: #3e5563;
  line-height: 1.62;
  white-space: pre-line;
}

.curriculum-detail__section {
  margin-top: 18px;
  padding-top: 15px;
  border-top: 1px solid var(--curriculum-border);
}

.curriculum-detail__section h4 {
  margin: 0 0 9px;
  color: #17384e;
  font-size: 0.88rem;
}

.curriculum-detail__children,
.curriculum-detail__sources {
  display: grid;
  gap: 7px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.curriculum-detail__children button {
  width: 100%;
  border: 1px solid #dce8ec;
  border-radius: 9px;
  background: #f9fcfd;
  color: #24475a;
  cursor: pointer;
  padding: 9px 10px;
  text-align: left;
}

.curriculum-detail__sources li {
  border-left: 3px solid #8dcad0;
  padding: 5px 0 5px 10px;
  color: #48606d;
  font-size: 0.78rem;
  line-height: 1.4;
}

.curriculum-progression__note {
  margin: 0 0 10px;
  color: #536b77;
  font-size: 0.78rem;
  line-height: 1.45;
}

.curriculum-progression__milestones {
  display: grid;
  gap: 8px;
}

.curriculum-progression__milestone {
  border: 1px solid #d8e6ea;
  border-radius: 10px;
  background: #f8fbfc;
  overflow: hidden;
}

.curriculum-progression__milestone.is-current {
  border-color: var(--curriculum-teal);
  background: #eefaf9;
  box-shadow: inset 3px 0 var(--curriculum-teal);
}

.curriculum-progression__milestone summary {
  cursor: pointer;
  padding: 10px 12px;
}

.curriculum-progression__milestone summary small,
.curriculum-progression__milestone summary strong,
.curriculum-progression__milestone summary span { display: block; }
.curriculum-progression__milestone summary small { color: #54703d; font-size: 0.67rem; font-weight: 800; }
.curriculum-progression__milestone summary strong { margin-top: 3px; color: #25465a; font-size: 0.8rem; }
.curriculum-progression__milestone summary span { margin-top: 4px; color: #687984; font-size: 0.68rem; }
.curriculum-progression__milestone .curriculum-detail__description {
  padding: 11px 12px 7px;
  border-top: 1px solid #dbe8ea;
  font-size: 0.8rem;
}

.curriculum-detail__technical {
  margin-top: 17px;
  color: #637782;
  font-size: 0.72rem;
}

.curriculum-detail__technical code {
  display: block;
  margin-top: 6px;
  overflow-wrap: anywhere;
  color: #50636e;
}

.curriculum-explorer__status,
.curriculum-pane__empty {
  padding: 24px;
  color: #60747f;
  line-height: 1.5;
  text-align: center;
}

.curriculum-explorer__status.is-error { color: #913f3f; }

.curriculum-explorer__load-more {
  width: 100%;
  margin-top: 5px;
  background: #eaf4f6;
  color: #24576a;
}

@media (max-width: 1220px) {
  .curriculum-pane__body { grid-template-columns: 0.9fr 1.1fr; }
  .curriculum-explorer.is-comparing .curriculum-pane__body { grid-template-columns: 1fr; }
  .curriculum-explorer.is-comparing .curriculum-pane__results { max-height: 260px; border-right: 0; border-bottom: 1px solid var(--curriculum-border); }
}

@media (max-width: 900px) {
  .curriculum-explorer.is-comparing .curriculum-explorer__panes { grid-template-columns: 1fr; }
  .curriculum-explorer__hero-main { align-items: flex-start; flex-direction: column; }
  .curriculum-explorer__mode { justify-self: start; }
  .curriculum-pane__filters { grid-template-columns: repeat(2, minmax(140px, 1fr)); }
  .curriculum-pane__search { grid-column: 1 / -1; }
  .curriculum-pane__filter-actions { grid-column: 1 / -1; }
  .curriculum-pane { height: auto; min-height: 680px; }
  .curriculum-pane__body { grid-template-columns: 1fr; }
  .curriculum-pane__results { max-height: 300px; border-right: 0; border-bottom: 1px solid var(--curriculum-border); }
}

@media (max-width: 560px) {
  .curriculum-explorer__hero { padding: 14px; }
  .curriculum-explorer__hero-topline { align-items: flex-start; }
  .curriculum-pane__filters { grid-template-columns: 1fr; }
  .curriculum-pane__search { grid-column: auto; }
  .curriculum-pane__filter-actions { grid-column: auto; }
}