/* Reusable course hub + master unit block. Does not restyle the homepage. */
body.hp--inner .hp-banner-inner--page { display: none; }
.course-page {
  padding: 1.25rem 1.1rem 2.5rem;
}
.course-hero {
  display: grid;
  grid-template-columns: 1.15fr auto minmax(280px, 0.9fr);
  gap: 1rem;
  align-items: stretch;
  background: #fff;
  border: 1px solid #d9e3f0;
  border-radius: 18px;
  padding: 1.15rem 1.2rem;
  margin-bottom: 1.15rem;
  box-shadow: 0 4px 14px rgba(20, 40, 70, .06);
}
.course-kicker {
  margin: 0 0 .2rem;
  font-size: .75rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: #2a5f9a;
}
.course-hero h1 {
  margin: 0;
  font-size: clamp(1.7rem, 3cqi, 2.3rem);
  color: #16324f;
}
.course-lede {
  margin: .4rem 0 0;
  color: #4a5b6b;
  max-width: 36rem;
}
.course-labs-wrap {
  margin: .75rem 0 0;
  max-width: 36rem;
}
a.course-labs-btn,
span.course-labs-btn,
.course-labs-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  width: auto;
  max-width: 100%;
  min-height: 2.65rem;
  padding: .45rem 1.3rem;
  border: 0;
  border-radius: 12px;
  background-color: #1a5c36;
  color: #fff !important;
  font-weight: 800;
  font-size: 1rem;
  line-height: 1.2;
  letter-spacing: .01em;
  text-decoration: none !important;
  white-space: nowrap;
  box-shadow: 0 1px 2px rgba(16, 35, 58, .18);
}
a.course-labs-btn.course-labs-btn--life,
.course-labs-btn--life { background-color: #1a5c36; }
a.course-labs-btn.course-labs-btn--earth,
.course-labs-btn--earth { background-color: #6a4a28; }
a.course-labs-btn.course-labs-btn--physical,
.course-labs-btn--physical { background-color: #1d4e89; }
a.course-labs-btn:link,
a.course-labs-btn:visited {
  color: #fff !important;
  text-decoration: none !important;
}
a.course-labs-btn.course-labs-btn--life:link,
a.course-labs-btn.course-labs-btn--life:visited { background-color: #1a5c36; }
a.course-labs-btn.course-labs-btn--earth:link,
a.course-labs-btn.course-labs-btn--earth:visited { background-color: #6a4a28; }
a.course-labs-btn.course-labs-btn--physical:link,
a.course-labs-btn.course-labs-btn--physical:visited { background-color: #1d4e89; }
a.course-labs-btn:hover,
a.course-labs-btn:hover:visited {
  filter: brightness(1.08);
  color: #fff !important;
  text-decoration: none !important;
}
a.course-labs-btn:focus,
a.course-labs-btn:focus-visible {
  outline: 3px solid #111;
  outline-offset: 3px;
  color: #fff !important;
  text-decoration: none !important;
}
span.course-labs-btn--disabled,
.course-labs-btn--disabled {
  background-color: #8a97a6;
  color: #f4f7fa !important;
  cursor: not-allowed;
  pointer-events: none;
  opacity: .72;
  filter: none;
  box-shadow: none;
}
.course-stats {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: .35rem;
  min-width: 10.5rem;
}
.course-stats div {
  background: #f3f7fc;
  border: 1px solid #d9e3f0;
  border-radius: 12px;
  padding: .4rem .75rem;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: .6rem;
}
.course-stats strong { font-size: 1.35rem; color: #16324f; line-height: 1.1; }
.course-stats span { font-size: 1.28rem; font-weight: 800; color: #16324f; line-height: 1.15; }
.course-quick, .quick-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: .65rem;
  min-width: 16rem;
}
.quick-card {
  display: flex;
  align-items: center;
  gap: .7rem;
  min-height: 3.6rem;
  padding: .45rem .7rem;
  border: 1px solid #c5d6ea;
  border-radius: 14px;
  text-decoration: none;
  background: linear-gradient(180deg, #f8fbff, #eef5fc);
  color: #16324f;
  box-shadow: 0 2px 8px rgba(20, 40, 70, .05);
}
.quick-card:hover, .quick-card:focus {
  outline: 2px solid #1a5c36;
  outline-offset: 2px;
}
.quick-card-icon { flex-shrink: 0; }
.quick-card-text { display: flex; flex-direction: column; min-width: 0; }
.quick-card-text strong {
  font-size: 1.12rem;
  color: #1d4e89;
  line-height: 1.15;
}
.quick-card-text span { font-size: .82rem; color: #4a5b6b; margin-top: .12rem; }

.quick-card--chi,
.quick-card--roots {
  background: #f6f1e4;
  border: 1px solid #ead7b8;
  gap: .65rem;
}
.quick-card--chi img,
.quick-card--roots img {
  width: auto;
  height: 56px;
  max-width: 96px;
  object-fit: contain;
  flex-shrink: 0;
}
.quick-card--chi .quick-card-text strong,
.quick-card--roots .quick-card-text strong { color: #6a4a28; }

.course-jump {
  background: #fff;
  border: 1px solid #d9e3f0;
  border-radius: 18px;
  padding: .9rem 1.05rem 1rem;
  margin-bottom: 1.15rem;
  box-shadow: 0 4px 14px rgba(20, 40, 70, .06);
}
.course-jump-title {
  margin: 0 0 .7rem;
  font-size: 1.05rem;
  color: #16324f;
}
.course-jump-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1fr);
  gap: .85rem 1.25rem;
  width: 100%;
}
.course-jump-col { min-width: 0; }
.course-jump-col h3 {
  margin: 0 0 .35rem;
  font-size: .78rem;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: #1d4e89;
  font-weight: 800;
}
.course-jump-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.course-jump-col li { margin: 0; }
.course-jump-col a,
.course-jump-btn {
  display: block;
  padding: .22rem 0;
  font-size: .86rem;
  line-height: 1.3;
  text-decoration: none;
  color: #16324f;
  font-weight: 700;
}
.course-jump-btn {
  padding: .32rem .7rem;
  margin: 0 0 .32rem;
  border-radius: 999px;
  border: 1px solid #cfdcea;
  background: #fff;
  font-size: .8rem;
  line-height: 1.25;
  font-weight: 800;
  color: #16324f;
  text-decoration: none;
}
.course-jump-col a.course-jump-btn:hover,
.course-jump-col a.course-jump-btn:focus {
  background: #e8f3df;
  border-color: #1a5c36;
  color: #134a2c;
  text-decoration: none;
  outline: none;
}
.course-jump-btn--pending {
  color: #6a7a8a;
  font-weight: 700;
  background: #f4f7fa;
  border-color: #dce4ee;
  cursor: default;
}

.unit-block {
  background: #fff;
  border: 1px solid #d9e3f0;
  border-radius: 18px;
  padding: 1.15rem 1.15rem 1.2rem;
  margin-bottom: 1.15rem;
  box-shadow: 0 4px 14px rgba(20, 40, 70, .06);
  overflow: visible;
  scroll-margin-top: 12px;
}
.unit-head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .9rem;
  align-items: start;
  margin-bottom: .9rem;
}
.unit-badge {
  width: 64px;
  height: 64px;
  border-radius: 14px;
  background: #16324f;
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  line-height: 1;
}
.unit-badge span { font-size: .65rem; letter-spacing: .08em; font-weight: 800; }
.unit-badge strong { font-size: 1.55rem; }
.unit-id h2 {
  margin: 0 0 .25rem;
  font-size: 1.45rem;
  color: #16324f;
}
.unit-id p { margin: 0; color: #4a5b6b; max-width: 38rem; }

.unit-section {
  margin-top: .95rem;
  padding-top: .85rem;
  border-top: 1px solid #e4ebf3;
}
.unit-section h3 {
  margin: 0 0 .55rem;
  font-size: .8rem;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: #1d4e89;
  font-weight: 800;
}
.unit-section--lectures {
  border-top: 0;
  padding-top: 0;
  margin-top: .15rem;
}
.unit-lectures {
  display: grid;
  gap: .7rem;
  margin: 0;
  width: 100%;
}
.unit-lectures[data-count="1"] { grid-template-columns: 1fr; }
.unit-lectures[data-count="2"] { grid-template-columns: 1fr 1fr; }
.unit-lectures[data-count="3"] { grid-template-columns: 1fr 1fr 1fr; }
.unit-lecture {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  align-items: center;
  gap: .75rem;
  min-width: 0;
  width: auto;
  border-radius: 12px;
  overflow: hidden;
  background: #10233a;
  text-decoration: none;
  color: #fff;
  box-shadow: 0 3px 10px rgba(16, 35, 58, .18);
  padding: 0 .85rem 0 0;
  min-height: 76px;
}
.unit-lecture img {
  width: 132px;
  height: 74px;
  object-fit: cover;
  display: block;
  flex-shrink: 0;
}
.unit-lecture-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
  padding: .35rem 0;
}
.unit-lecture-body strong {
  display: block;
  font-size: 1.02rem;
  font-weight: 800;
  line-height: 1.2;
}
.unit-lecture-meta {
  display: block;
  margin-top: .2rem;
  font-size: .82rem;
  font-weight: 700;
  opacity: .85;
}
.unit-lecture:hover, .unit-lecture:focus {
  outline: 2px solid #1d4e89;
  outline-offset: 2px;
}

.unit-resources-row {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: .55rem .75rem;
}
.unit-pills {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  min-width: 0;
  flex: 1 1 auto;
}
.unit-teacher-btn {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  flex: 0 0 auto;
  margin-left: auto;
  background: #f8f5ee;
  border: 1px solid #d4c19a;
  border-radius: 999px;
  padding: .52rem 1.12rem;
  color: #6b5c3a;
  font: inherit;
  font-weight: 800;
  font-size: 1.02rem;
  line-height: 1.2;
  cursor: default;
}
.unit-teacher-btn:disabled {
  opacity: 1;
  color: #6b5c3a;
}
.unit-lock { flex-shrink: 0; color: #8a6918; width: 16px; height: 16px; }
.teacher-tile {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .5rem;
  background: #fff;
  border: 1px solid #e0d4b8;
  border-radius: 12px;
  padding: .72rem .95rem;
  color: #6b5c3a;
  font-weight: 800;
  font-size: 1.02rem;
}
.unit-pill, .unit-pill-menu summary.unit-pill {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  background: #fff;
  border: 1px solid #cfdcea;
  border-radius: 999px;
  padding: .52rem 1.12rem;
  font-size: 1.02rem;
  font-weight: 800;
  color: #16324f;
  text-decoration: none;
  cursor: pointer;
  list-style: none;
}
.unit-pill-menu summary.unit-pill::-webkit-details-marker { display: none; }
.unit-pill:hover, .unit-pill-menu summary.unit-pill:hover { background: #e7f0f8; }
.unit-pill-menu { position: relative; }
.unit-pill-menu[open] summary.unit-pill { background: #e7f0f8; }
.unit-pill-list {
  position: absolute;
  z-index: 8;
  top: calc(100% + 6px);
  left: 0;
  min-width: 17rem;
  background: #fff;
  border: 1px solid #d3deea;
  border-radius: 10px;
  box-shadow: 0 8px 20px rgba(16, 35, 58, .14);
  padding: .35rem;
}
.unit-pill-list a {
  display: block;
  padding: .5rem .7rem;
  border-radius: 6px;
  text-decoration: none;
  color: #16324f;
  font-size: .95rem;
  font-weight: 700;
}
.unit-pill-list a:hover { background: #eef4fb; }
.unit-ngss-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: .5rem;
}
.unit-ngss-item {
  background: #f7fbff;
  border: 1px solid #d9e3f0;
  border-radius: 10px;
  padding: .5rem .65rem;
  font-size: .82rem;
}
.unit-ngss-item strong { display: block; color: #16324f; }
.unit-ngss-empty, .unit-ngss-more { margin: .2rem 0; font-size: .88rem; color: #4a5b6b; }

@media (min-width: 721px) {
  .course-jump-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1fr);
  }
}
@media (max-width: 960px) {
  .course-hero { grid-template-columns: 1fr; }
  .course-stats { flex-direction: row; flex-wrap: wrap; }
  .course-quick { max-width: 32rem; }
}
@media (max-width: 400px) {
  a.course-labs-btn,
  .course-labs-btn {
    white-space: normal;
    min-height: 2.75rem;
    text-align: center;
  }
}
@media (max-width: 900px) {
  .unit-lectures[data-count="3"] { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .course-jump-grid { grid-template-columns: 1fr; }
  .unit-lectures[data-count="1"],
  .unit-lectures[data-count="2"],
  .unit-lectures[data-count="3"] { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .unit-lecture { grid-template-columns: 110px minmax(0, 1fr); padding-right: .65rem; min-height: 0; }
  .unit-lecture img { width: 110px; height: 62px; }
  .unit-resources-row { flex-wrap: wrap; }
  .unit-teacher-btn { margin-left: auto; }
}