/* ==========================================================================
   COURSES ARCHIVE
   ========================================================================== */

.archive-header {
  background: var(--c-cream);
  border-bottom: 1px solid var(--c-border);
  padding: var(--sp-6) 0;
  text-align: center;
}
.archive-header__title { margin-bottom: var(--sp-2); }
.archive-header__desc {
  color: var(--c-muted);
  max-width: 640px;
  margin: 0 auto;
}

.archive-courses__inner {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: var(--sp-6);
  align-items: start;
}

/* --------------------------------------------------------------------
   Sidebar filters
   -------------------------------------------------------------------- */
.course-sidebar {
  position: sticky;
  top: calc(var(--switcher-height) + var(--header-height) + var(--sp-4));
}

.course-filters {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-card);
  padding: var(--sp-4);
}

.filter-block {
  border-bottom: 1px solid var(--c-border);
  padding-bottom: var(--sp-4);
  margin-bottom: var(--sp-4);
}
.filter-block:last-of-type { border-bottom: none; }
.filter-block h3 {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--sp-3);
}

.filter-block__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
  max-height: 220px;
  overflow-y: auto;
}
.filter-block__list label {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--fs-small);
  cursor: pointer;
}
.filter-block__list input[type="checkbox"],
.filter-block__list input[type="radio"] {
  accent-color: var(--c-emerald);
  width: 16px;
  height: 16px;
}
.filter-block__count { color: var(--c-muted); font-size: 0.75rem; }

.filter-block__select {
  width: 100%;
  padding: 10px var(--sp-2);
  border: 1px solid var(--c-border);
  border-radius: 6px;
  font-family: var(--font-body);
  font-size: var(--fs-small);
  background: var(--c-white);
}

.course-filters .btn--block {
  width: 100%;
  text-align: center;
  margin-top: var(--sp-2);
}

/* --------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------- */
@media (max-width: 900px) {
  .archive-courses__inner { grid-template-columns: 1fr; }
  .course-sidebar { position: static; }
  .filter-block__list { max-height: none; }
}