/* Courses directory styling.
   Loaded alongside /assets/styles.css, which already defines the shared
   design tokens (--color-primary, --font-display, etc.) this file uses. */

/* -------------------- Courses directory -------------------- */
.course-search { position: relative; max-width: 560px; margin: 22px auto 0; }
.course-search input {
  width: 100%;
  padding: 13px 18px;
  border: 1.5px solid var(--color-border-strong);
  border-radius: 999px;
  font: inherit;
  font-size: 0.98rem;
  background: #fff;
}
.course-search input:focus { outline: none; border-color: var(--color-primary); }
.course-search__suggestions {
  position: absolute;
  top: calc(100% + 8px);
  left: 0; right: 0;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: 0 12px 28px rgba(20, 30, 45, 0.12);
  overflow: hidden;
  z-index: 30;
  text-align: left;
}
.course-search__item {
  display: block;
  padding: 11px 18px;
  text-decoration: none;
  color: var(--color-text);
  font-size: 0.94rem;
  border-bottom: 1px solid var(--color-border);
}
.course-search__item:last-child { border-bottom: none; }
.course-search__item:hover { background: var(--color-bg); color: var(--color-primary); }
.course-search__empty { margin: 0; padding: 14px 18px; color: var(--color-text-muted); font-size: 0.88rem; }

.course-accordion { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 10px; padding-block: 2rem; }
.course-accordion__item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #fff;
  overflow: hidden;
}
.course-accordion__item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  cursor: pointer;
  font-weight: 600;
  list-style: none;
}
.course-accordion__item summary::-webkit-details-marker { display: none; }
.course-accordion__letter {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--color-primary-dark);
}
.course-accordion__count { font-size: 0.8rem; color: var(--color-text-muted); font-weight: 500; }
.course-accordion__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0 20px 18px;
}
.course-accordion__empty { padding: 0 20px 18px; margin: 0; color: var(--color-text-muted); font-size: 0.88rem; }
.course-link {
  display: inline-block;
  padding: 7px 14px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  text-decoration: none;
  color: var(--color-text);
  font-size: 0.88rem;
  transition: border-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
.course-link:hover { border-color: var(--color-primary); color: var(--color-primary); }

.course-detail__crumbs { color: var(--color-text-muted); font-size: 0.85rem; margin-bottom: 1rem; }
.course-detail__crumbs a { color: var(--color-text-muted); }
.course-detail__about { max-width: 700px; line-height: 1.7; color: var(--color-text-muted); margin-bottom: 2rem; }
.course-detail__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
  padding-block: 1rem 2rem;
}
.course-detail__grid h2 { font-size: 1.05rem; margin-bottom: 0.9rem; }
.course-detail__note {
  max-width: 700px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  border-top: var(--border-thin);
  padding-top: 1.2rem;
}
.course-not-found { text-align: center; padding: 4rem 1rem; }