/* =========================================================
   11. Grammar archive
   ========================================================= */

.panel {
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 28px;
  box-shadow: var(--shadow);
  margin-bottom: 18px;
}

.panel h2 {
  font-size: 30px;
  margin-bottom: 18px;
}

.activity-list {
  display: grid;
  gap: 12px;
}

.activity-row {
  display: grid;
  grid-template-columns: 96px 1fr auto;
  gap: 14px;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px 18px;
  background: #fffaf5;
  cursor: pointer;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease, background 0.18s ease;
}

.activity-row:hover,
.activity-row:focus-visible {
  border-color: var(--orange);
  background: #ffffff;
  box-shadow: 0 10px 24px rgba(62, 41, 20, 0.1);
  transform: translateY(-1px);
}

.activity-row:focus-visible {
  outline: 3px solid var(--orange-soft);
  outline-offset: 3px;
}

.activity-row h3 {
  margin-bottom: 2px;
  font-family: Inter, system-ui, sans-serif;
  font-size: 15px;
}

.activity-row p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.label {
  display: inline-flex;
  justify-content: center;
  border-radius: 999px;
  padding: 6px 8px;
  background: var(--orange-soft);
  color: var(--orange);
  font-size: 10px;
  font-weight: 900;
  text-transform: uppercase;
}

.arrow {
  color: var(--muted);
  font-weight: 900;
}

.empty-state {
  margin: 0;
  color: var(--muted);
}

.grammar-archive-panel h1,
.grammar-explore-panel h1 {
  margin-bottom: 20px;
}

.pagination,
.grammar-pagination ul {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  font-weight: 900;
}

.pagination a,
.pagination span,
.grammar-pagination a,
.grammar-pagination span {
  min-width: 32px;
  height: 32px;
  border: 1px solid var(--border);
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: #ffffff;
  color: var(--ink);
  font-size: 0.85rem;
  font-weight: 900;
}

.pagination a.active,
.pagination .current,
.grammar-pagination .current {
  background: var(--orange);
  border-color: var(--orange);
  color: #ffffff;
}

.grammar-filter-block {
  margin-bottom: 22px;
}

.grammar-filter-block h2,
.grammar-results-heading h2 {
  margin-bottom: 10px;
  font-family: Inter, system-ui, sans-serif;
  font-size: 1rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.grammar-filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.grammar-filter-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: #ffffff;
  color: var(--ink);
  font-size: 0.86rem;
  font-weight: 800;
}

.grammar-filter-chip:hover,
.grammar-filter-chip:focus,
.grammar-filter-chip.is-active {
  border-color: var(--orange);
  color: var(--orange);
  background: var(--orange-soft);
}

.grammar-subfilter-block {
  padding-top: 4px;
  border-top: 1px solid var(--border);
}

.grammar-results-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin: 28px 0 14px;
}

.grammar-results-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
}

.grammar-term-lessons {
  margin-top: 0;
}

@media (max-width: 900px) {
  .panel {
    padding: 22px;
  }

  .activity-row {
    grid-template-columns: 1fr auto;
  }

  .activity-row .label {
    grid-column: 1 / -1;
    justify-self: start;
  }
}