.elementary-math-page {
  --em-accent: #2f8a4f;
  --em-secondary: #347aa5;
  --em-gold: #d2a13a;
  display: grid;
  gap: 1.65rem;
  margin: 0.25rem 0 3rem;
}

.em-hero {
  padding: 1.55rem;
  border: 1px solid color-mix(in srgb, var(--base-color, #333) 12%, transparent);
  border-radius: 8px;
  background:
    linear-gradient(135deg,
      color-mix(in srgb, var(--base-background-color, #fff) 86%, var(--em-accent)),
      color-mix(in srgb, var(--base-background-color, #fff) 92%, var(--em-secondary)));
}

.em-kicker {
  margin: 0 0 0.35rem;
  color: color-mix(in srgb, var(--em-accent) 78%, var(--base-color, #333));
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.em-hero h1 {
  margin: 0;
  color: var(--heading-color, #2b2b2b);
  font-size: 2.15rem;
  line-height: 1.15;
}

.em-hero p:not(.em-kicker) {
  max-width: 47rem;
  margin: 0.7rem 0 0;
  color: color-mix(in srgb, var(--base-color, #333) 82%, transparent);
  line-height: 1.75;
}

.em-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.05rem;
}

.em-action {
  display: inline-flex;
  align-items: center;
  min-height: 2.25rem;
  padding: 0.45rem 0.78rem;
  border: 1px solid color-mix(in srgb, var(--em-accent) 32%, transparent);
  border-radius: 999px;
  background: color-mix(in srgb, var(--base-background-color, #fff) 90%, white);
  color: color-mix(in srgb, var(--em-accent) 86%, var(--base-color, #333));
  font-size: 0.92rem;
  font-weight: 800;
  line-height: 1.25;
  text-decoration: none;
}

.markdown-section .em-action,
.markdown-section .em-card,
.markdown-section .em-list a {
  text-decoration: none;
}

.em-action:hover,
.em-card:hover,
.em-list a:hover {
  border-color: var(--em-accent);
  color: color-mix(in srgb, var(--em-accent) 84%, var(--base-color, #333));
  transform: translateY(-1px);
}

.em-section {
  display: grid;
  gap: 0.85rem;
}

.em-section-heading {
  display: grid;
  gap: 0.05rem;
}

.em-section h2 {
  margin: 0;
  font-size: 1.45rem;
  line-height: 1.25;
}

.em-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 0.85rem;
}

.em-course-grid {
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.em-card {
  display: flex;
  min-height: 9rem;
  flex-direction: column;
  gap: 0.45rem;
  padding: 0.95rem 1rem;
  border: 1px solid color-mix(in srgb, var(--base-color, #333) 12%, transparent);
  border-radius: 8px;
  background: color-mix(in srgb, var(--base-background-color, #fff) 96%, var(--em-secondary));
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.055);
  color: var(--base-color, #333);
  transition:
    border-color 0.15s ease,
    box-shadow 0.15s ease,
    color 0.15s ease,
    transform 0.15s ease;
}

.em-card:hover {
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.08);
}

.em-card.is-featured {
  background:
    linear-gradient(135deg,
      color-mix(in srgb, var(--base-background-color, #fff) 88%, var(--em-gold)),
      color-mix(in srgb, var(--base-background-color, #fff) 93%, var(--em-secondary)));
}

.em-card strong {
  color: var(--heading-color, #2b2b2b);
  font-size: 1.02rem;
  line-height: 1.35;
}

.em-card span:not(.em-tag) {
  color: color-mix(in srgb, var(--base-color, #333) 72%, transparent);
  font-size: 0.9rem;
  line-height: 1.55;
}

.em-tag {
  width: fit-content;
  max-width: 100%;
  padding: 0.18rem 0.52rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--em-secondary) 14%, transparent);
  color: color-mix(in srgb, var(--em-secondary) 78%, var(--base-color, #333));
  font-size: 0.78rem;
  font-weight: 800;
  line-height: 1.35;
}

.em-panel-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.em-panel {
  padding: 0.95rem;
  border: 1px solid color-mix(in srgb, var(--base-color, #333) 12%, transparent);
  border-radius: 8px;
  background: color-mix(in srgb, var(--base-background-color, #fff) 97%, var(--em-gold));
}

.em-panel h3 {
  margin: 0 0 0.7rem;
  color: var(--heading-color, #2b2b2b);
  font-size: 1.05rem;
  line-height: 1.3;
}

.em-list {
  display: grid;
  gap: 0.55rem;
}

.em-list a {
  display: block;
  padding: 0.62rem 0.72rem;
  border: 1px solid color-mix(in srgb, var(--base-color, #333) 10%, transparent);
  border-radius: 7px;
  background: color-mix(in srgb, var(--base-background-color, #fff) 92%, transparent);
  color: var(--base-color, #333);
  font-weight: 700;
  line-height: 1.45;
  transition:
    border-color 0.15s ease,
    color 0.15s ease,
    transform 0.15s ease;
}

:root[data-theme="dark"] .elementary-math-page {
  --em-accent: #82d696;
  --em-secondary: #83c8f0;
  --em-gold: #e6be62;
}

:root[data-theme="dark"] .em-action,
:root[data-theme="dark"] .em-list a {
  background: rgba(17, 24, 39, 0.72);
}

:root[data-theme="dark"] .em-card,
:root[data-theme="dark"] .em-panel {
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.22);
}

@media (max-width: 760px) {
  .em-panel-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .elementary-math-page {
    gap: 1rem;
    margin-bottom: 4rem;
  }

  .em-hero {
    padding: 1.1rem;
  }

  .em-hero h1 {
    font-size: 1.55rem;
  }

  .em-hero p:not(.em-kicker),
  .em-card span:not(.em-tag),
  .em-list a {
    line-height: 1.65;
  }

  .em-action {
    width: 100%;
    justify-content: center;
  }

  .em-grid,
  .em-course-grid {
    grid-template-columns: 1fr;
  }

  .em-card {
    min-height: 0;
    padding: 0.9rem;
  }
}