/* ═══════════════════════════════════════════════
   catalog.css — Цифрлық / Онлайн оқу каталог
   ═══════════════════════════════════════════════ */

/* ── Stats bar ── */
.catalog-stats {
  background: linear-gradient(135deg, #2d6a4f 0%, #6a4faa 100%);
  padding: 32px 0;
  margin-bottom: 0;
}
.catalog-stats .d-flex {
  gap: 15px !important;
}
.catalog-stat-item {
  text-align: center;
  color: #fff;
}
.catalog-stat-num {
  font-size: 42px;
  font-weight: 700;
  font-family: 'Montserrat', sans-serif;
  letter-spacing: -1px;
  line-height: 1.1;
}
.catalog-stat-label {
  font-size: 13px;
  opacity: .85;
  font-family: 'Montserrat', sans-serif;
  margin-top: 4px;
}
.catalog-stat-divider {
  width: 1px;
  background: rgba(255,255,255,.25);
  align-self: stretch;
  margin: 6px 0;
}

/* ── Search bar ── */
.catalog-search-bar {
  background: #fff;
  padding: 20px 0;
  border-bottom: 1px solid var(--border-light);
}
.catalog-search-inner {
  display: flex;
  gap: 12px;
  align-items: center;
}
.catalog-search-inner input {
  flex: 1;
  border: 1px solid var(--border-light);
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 14px;
  font-family: 'Montserrat', sans-serif;
  outline: none;
  transition: border-color .2s;
}
.catalog-search-inner input:focus { border-color: var(--green-mid); }
.catalog-search-btn {
  background: var(--green-mid);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 10px 22px;
  font-size: 14px;
  font-weight: 600;
  font-family: 'Montserrat', sans-serif;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: background .2s;
}
.catalog-search-btn:hover { background: var(--green-dark); }

/* ── Alphabet filter ── */
.catalog-alphabet-wrap {
  background: #f4f6f4;
  padding: 18px 0 14px;
  border-bottom: 1px solid var(--border-light);
}
.catalog-section-title {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--green-dark);
  font-family: 'Montserrat', sans-serif;
  background: linear-gradient(90deg, #c3dde8 0%, transparent 100%);
  display: inline-block;
  padding: 4px 18px 4px 10px;
  border-radius: 3px;
  margin-bottom: 14px;
}
.catalog-alpha-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.alpha-btn {
  width: 38px;
  height: 38px;
  border-radius: 50% !important;
  border: 1.5px solid var(--border-light);
  background: #fff;
  font-size: 13px;
  font-weight: 600;
  font-family: 'Montserrat', sans-serif;
  color: #555;
  cursor: pointer;
  transition: background .2s, color .2s, border-color .2s;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}
.alpha-btn:hover { border-color: var(--green-mid); color: var(--green-mid); }
.alpha-btn.active {
  background: var(--green-mid);
  color: #fff;
  border-color: var(--green-mid);
}
.alpha-btn.all {
  width: auto;
  padding: 0 14px;
  border-radius: 20px !important;
}

/* ── Toolbar (view toggle + tabs) ── */
.catalog-toolbar {
  background: #fff;
  border-bottom: 1px solid var(--border-light);
  padding: 14px 0;
}
.catalog-toolbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.catalog-tabs {
  display: flex;
  gap: 6px;
}
.catalog-tab {
  border: 1.5px solid var(--border-light);
  background: #fff;
  border-radius: 20px;
  padding: 6px 18px;
  font-size: 13px;
  font-weight: 600;
  font-family: 'Montserrat', sans-serif;
  color: #666;
  cursor: pointer;
  transition: all .2s;
}
.catalog-tab.active {
  background: var(--green-mid);
  color: #fff;
  border-color: var(--green-mid);
}
.catalog-tab:hover:not(.active) { border-color: var(--green-mid); color: var(--green-mid); }

.view-toggle {
  display: flex;
  gap: 4px;
}
.view-btn {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1.5px solid var(--border-light);
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: #888;
  font-size: 16px;
  transition: all .2s;
}
.view-btn.active { background: var(--green-mid); color: #fff; border-color: var(--green-mid); }
.view-btn:hover:not(.active) { border-color: var(--green-mid); color: var(--green-mid); }

/* ── Page wrap ── */
.catalog-page-wrap {
  background: #f4f6f4;
  min-height: 400px;
  padding: 28px 0 60px;
}

/* ══════════════════════════════════════════
   GRID VIEW — 4 колонки
   ══════════════════════════════════════════ */
a.catalog-grid-card, a.catalog-list-card {
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
}
a.catalog-list-card { flex-direction: row; }

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}
.catalog-grid-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  transition: transform .22s, box-shadow .22s;
  position: relative;
}
.catalog-grid-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 28px rgba(0,0,0,.15);
}
.catalog-grid-cover {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  display: block;
  background: linear-gradient(135deg, #4a90a4, #7b5ea7);
}
.catalog-grid-cover-placeholder {
  width: 100%;
  aspect-ratio: 3/4;
  background: linear-gradient(135deg, #4a90a4, #7b5ea7);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.6);
  font-size: 48px;
}
.catalog-grid-body {
  padding: 12px 14px 14px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.catalog-grid-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--green-dark);
  font-family: 'Montserrat', sans-serif;
  line-height: 1.35;
}
.catalog-grid-author {
  font-size: 12px;
  color: #777;
  font-family: 'Montserrat', sans-serif;
}
.catalog-grid-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
  padding-top: 6px;
}
.catalog-grid-tag {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 10px;
  background: rgba(27,77,53,.08);
  color: var(--green-dark);
  font-family: 'Montserrat', sans-serif;
  display: flex;
  align-items: center;
  gap: 4px;
}
.catalog-grid-tag.year { background: rgba(27,77,53,.05); color: #888; }
.catalog-grid-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: var(--green-mid);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  font-family: 'Montserrat', sans-serif;
  padding: 8px;
  border-radius: 6px;
  text-decoration: none;
  margin-top: 4px;
  transition: background .2s;
}
.catalog-grid-btn:hover { background: var(--green-dark); color: #fff; }

/* ══════════════════════════════════════════
   LIST VIEW — как в books.html
   ══════════════════════════════════════════ */
.catalog-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.catalog-list-card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  display: flex;
  gap: 0;
  overflow: hidden;
  position: relative;
  transition: box-shadow .22s;
}
.catalog-list-card:hover { box-shadow: 0 8px 24px rgba(0,0,0,.13); }
.catalog-list-cover {
  width: 100px;
  flex-shrink: 0;
}
.catalog-list-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.catalog-list-cover-placeholder {
  width: 100%;
  height: 100%;
  min-height: 140px;
  background: linear-gradient(135deg, #4a90a4, #7b5ea7);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.5);
  font-size: 36px;
}
.catalog-list-info {
  padding: 18px 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.catalog-list-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--green-dark);
  font-family: 'Montserrat', sans-serif;
}
.catalog-list-title a {
  color: inherit;
  text-decoration: none;
}
.catalog-list-title a:hover { color: var(--gold); }
.catalog-list-author {
  font-size: 13px;
  color: #777;
  font-family: 'Montserrat', sans-serif;
  display: flex;
  align-items: center;
  gap: 6px;
}
.catalog-list-desc {
  font-size: 13px;
  color: #555;
  font-family: 'Montserrat', sans-serif;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.catalog-list-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}
.catalog-list-tag {
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 10px;
  background: rgba(27,77,53,.08);
  color: var(--green-dark);
  font-family: 'Montserrat', sans-serif;
  display: flex;
  align-items: center;
  gap: 4px;
}
.catalog-list-tag.year { background: rgba(27,77,53,.05); color: #888; }

/* ── Pagination ── */
.catalog-pagination {
  display: flex;
  justify-content: center;
  margin-top: 36px;
}
.catalog-pagination .page-link {
  color: var(--green-mid);
  border-color: var(--border-light);
  font-family: 'Montserrat', sans-serif;
  font-size: 13px;
}
.catalog-pagination .page-item.active .page-link {
  background: var(--green-mid);
  border-color: var(--green-mid);
  color: #fff;
}

/* ── Responsive ── */
@media (max-width: 1100px) {
  .catalog-grid { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 768px) {
  .catalog-grid { grid-template-columns: repeat(3, 1fr); gap: 14px; }
  .catalog-stat-num { font-size: 30px; }
}
@media (max-width: 480px) {
  .catalog-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
}