/* =========================================
   БудьЗдрав — Catalog Page Styles
   Page-specific CSS for the herb catalog
   ========================================= */

/* PAGE HEADER */
.page-header {
  padding: 120px 60px 60px;
  border-bottom: 1px solid var(--border);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: end;
}

.page-header-left {}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
}
.breadcrumb a {
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--warm-grey);
  text-decoration: none;
  transition: color .3s;
}
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb-sep {
  color: rgba(138,130,120,0.4);
  font-size: 11px;
}
.breadcrumb-current {
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--gold);
}

.page-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(52px, 6vw, 80px);
  font-weight: 300;
  line-height: 0.93;
  letter-spacing: -0.02em;
  opacity: 0;
  animation: fadeUp .7s forwards .1s;
}
.page-title em { font-style: italic; color: var(--gold); }

.page-desc {
  font-size: 14px;
  font-weight: 300;
  line-height: 1.8;
  color: var(--warm-grey);
  max-width: 480px;
  margin-top: 20px;
  opacity: 0;
  animation: fadeUp .7s forwards .2s;
}

.page-header-stats {
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: flex-end;
  opacity: 0;
  animation: fadeUp .7s forwards .3s;
}

.header-stat-num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 48px;
  font-weight: 300;
  color: var(--gold);
  line-height: 1;
  text-align: right;
}

.header-stat-label {
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--warm-grey);
  text-align: right;
}

/* ALPHABET NAV */
.alphabet-nav {
  padding: 20px 60px;
  border-bottom: 1px solid var(--border);
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  align-items: center;
  background: var(--surface);
}

.alpha-label {
  font-size: 9px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(138,130,120,0.4);
  margin-right: 12px;
}

.alpha-btn {
  font-family: 'Cormorant Garamond', serif;
  font-size: 16px;
  font-weight: 300;
  color: var(--warm-grey);
  background: none;
  border: none;
  cursor: none;
  padding: 4px 8px;
  transition: color .2s;
  line-height: 1;
}
.alpha-btn:hover,
.alpha-btn.active { color: var(--gold); }
.alpha-btn.disabled { color: rgba(138,130,120,0.2); pointer-events: none; }

/* CATALOG LAYOUT */
.catalog-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: calc(100vh - 200px);
}

/* FILTER SIDEBAR */
.filter-sidebar {
  border-right: 1px solid var(--border);
  padding: 32px 0;
  position: sticky;
  top: 80px;
  height: calc(100vh - 80px);
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(201,168,76,0.2) transparent;
}
.filter-sidebar::-webkit-scrollbar { width: 3px; }
.filter-sidebar::-webkit-scrollbar-track { background: transparent; }
.filter-sidebar::-webkit-scrollbar-thumb { background: rgba(201,168,76,0.2); }

.filter-group {
  padding: 0 28px;
  margin-bottom: 32px;
}

.filter-group-title {
  font-size: 9px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(138,130,120,0.5);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.filter-group-title button {
  font-size: 9px;
  letter-spacing: 0.15em;
  color: var(--gold);
  background: none;
  border: none;
  cursor: none;
  opacity: 0;
  transition: opacity .2s;
}
.filter-group:hover .filter-group-title button { opacity: 1; }

.filter-search {
  display: flex;
  align-items: center;
  border: 1px solid var(--border);
  background: rgba(201,168,76,0.03);
  margin-bottom: 16px;
}

.filter-search-icon {
  padding: 0 12px;
  color: var(--warm-grey);
  font-size: 12px;
}

.filter-search input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  padding: 10px 12px 10px 0;
  font-family: 'Jost', sans-serif;
  font-size: 12px;
  color: var(--parchment);
}
.filter-search input::placeholder { color: rgba(138,130,120,0.4); }

.filter-options {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.filter-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  cursor: none;
  border-radius: 0;
  transition: background .2s;
}
.filter-option:hover { background: rgba(201,168,76,0.04); }

.filter-checkbox {
  width: 14px;
  height: 14px;
  border: 1px solid rgba(138,130,120,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all .2s;
}
.filter-option.checked .filter-checkbox {
  border-color: var(--gold);
  background: var(--gold);
}
.filter-option.checked .filter-checkbox::after {
  content: '\2713';
  font-size: 9px;
  color: var(--ink);
  font-weight: 700;
}

.filter-option-label {
  font-size: 12px;
  font-weight: 300;
  color: var(--warm-grey);
  flex: 1;
  transition: color .2s;
}
.filter-option.checked .filter-option-label { color: var(--parchment); }

.filter-option-count {
  font-size: 10px;
  color: rgba(138,130,120,0.4);
}

.filter-divider {
  height: 1px;
  background: var(--border);
  margin: 8px 28px 24px;
}

.filter-apply {
  margin: 0 28px;
  width: calc(100% - 56px);
  padding: 12px;
  background: var(--gold);
  border: none;
  font-family: 'Jost', sans-serif;
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink);
  cursor: none;
  transition: background .3s;
}
.filter-apply:hover { background: var(--gold-light); }

.filter-reset {
  display: block;
  text-align: center;
  margin-top: 10px;
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--warm-grey);
  text-decoration: none;
  cursor: none;
  transition: color .3s;
  padding: 6px;
}
.filter-reset:hover { color: var(--gold); }

/* CATALOG MAIN */
.catalog-main { padding: 32px 40px; }

/* Toolbar */
.catalog-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.catalog-count {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--warm-grey);
}
.catalog-count strong { color: var(--parchment); font-weight: 400; }

.active-filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  flex: 1;
  margin: 0 20px;
}

.active-filter {
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--gold);
  border: 1px solid rgba(201,168,76,0.3);
  padding: 4px 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: none;
  transition: all .2s;
}
.active-filter:hover { border-color: rgba(201,168,76,0.6); }

.active-filter-x {
  font-size: 10px;
  opacity: 0.6;
}

.view-toggle {
  display: flex;
  gap: 2px;
}

.view-btn {
  width: 34px;
  height: 34px;
  border: 1px solid var(--border);
  background: none;
  cursor: none;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--warm-grey);
  transition: all .2s;
  font-size: 12px;
}
.view-btn.active,
.view-btn:hover { border-color: var(--gold); color: var(--gold); }

/* GRID VIEW (Catalog Version) */
.herbs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}
.herbs-grid.list-view { grid-template-columns: 1fr; }

.herb-card {
  background: var(--surface);
  cursor: none;
  text-decoration: none;
  display: block;
  position: relative;
  border-bottom: 2px solid transparent;
  transition: border-color .3s, background .3s;
}
.herb-card:hover { border-bottom-color: var(--gold); background: var(--surface2); }

/* Grid card */
.herb-card-visual {
  aspect-ratio: 4/3;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.herb-card-visual-bg {
  position: absolute;
  inset: 0;
  transition: transform .5s cubic-bezier(.25,.46,.45,.94);
}
.herb-card:hover .herb-card-visual-bg { transform: scale(1.04); }

.herb-card-visual-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(14,12,9,0.7) 0%, transparent 60%);
}

.herb-card-letter {
  font-family: 'Cormorant Garamond', serif;
  font-size: 80px;
  font-weight: 300;
  color: rgba(201,168,76,0.12);
  position: relative;
  z-index: 1;
  line-height: 1;
  transition: color .3s;
}
.herb-card:hover .herb-card-letter { color: rgba(201,168,76,0.2); }

.herb-card-body { padding: 20px 22px 24px; }

.herb-card-latin {
  font-size: 10px;
  font-style: italic;
  color: var(--warm-grey);
  margin-bottom: 6px;
}

.herb-card-name {
  font-family: 'Cormorant Garamond', serif;
  font-size: 22px;
  font-weight: 400;
  color: var(--parchment);
  line-height: 1.1;
  margin-bottom: 10px;
}

.herb-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.herb-card-tag {
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sage);
  border: 1px solid rgba(122,158,126,0.25);
  padding: 3px 9px;
}

/* List card */
.herbs-grid.list-view .herb-card {
  display: grid;
  grid-template-columns: 180px 1fr auto;
  border-bottom: 1px solid var(--border);
  border-left: 2px solid transparent;
  transition: border-left-color .3s, background .3s;
}
.herbs-grid.list-view .herb-card:hover {
  border-left-color: var(--gold);
  border-bottom-color: var(--border);
  background: var(--surface2);
}
.herbs-grid.list-view .herb-card-visual {
  aspect-ratio: auto;
  min-height: 120px;
}
.herbs-grid.list-view .herb-card-body {
  padding: 24px 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.herb-card-arrow {
  display: none;
  padding: 0 24px;
  align-items: center;
  font-size: 18px;
  color: rgba(201,168,76,0.3);
  transition: color .3s;
}
.herbs-grid.list-view .herb-card-arrow { display: flex; }
.herb-card:hover .herb-card-arrow { color: var(--gold); }

/* Card entrance animation */
.herb-card {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .5s ease, transform .5s ease, border-color .3s, background .3s;
}
.herb-card.visible {
  opacity: 1;
  transform: translateY(0);
}

/* LOAD MORE */
.load-more-wrap {
  text-align: center;
  padding: 48px 0;
}

.load-more-btn {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--parchment);
  border: 1px solid var(--border);
  background: none;
  padding: 16px 48px;
  cursor: none;
  transition: all .3s;
}
.load-more-btn:hover { border-color: var(--gold); color: var(--gold); }

/* EMPTY STATE */
.empty-state {
  text-align: center;
  padding: 80px 20px;
  display: none;
}
.empty-state.show { display: block; }

.empty-state-icon {
  font-size: 48px;
  margin-bottom: 20px;
  opacity: 0.3;
}

.empty-state-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 32px;
  font-weight: 300;
  color: var(--warm-grey);
  margin-bottom: 12px;
}

.empty-state-sub {
  font-size: 13px;
  color: rgba(138,130,120,0.6);
}

/* MOBILE FILTER BUTTON */
.mobile-filter-btn { display: none; }

/* ANIMATIONS */
@keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* MOBILE RESPONSIVE */
@media (max-width: 1100px) {
  .herbs-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .page-header {
    padding: 100px 24px 40px;
    grid-template-columns: 1fr;
  }
  .page-header-stats {
    flex-direction: row;
    align-items: center;
    gap: 32px;
  }
  .header-stat-num { font-size: 36px; }

  .alphabet-nav { padding: 16px 24px; }

  .catalog-layout { grid-template-columns: 1fr; }
  .filter-sidebar {
    display: none;
    position: static;
    height: auto;
    overflow: visible;
    padding: 20px 24px;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
  .filter-sidebar.mobile-open { display: block; }
  .catalog-main { padding: 24px; }

  .catalog-toolbar { flex-wrap: wrap; gap: 12px; }
  .active-filters { order: 3; width: 100%; margin: 0; }

  .mobile-filter-btn {
    display: flex !important;
    align-items: center;
    gap: 8px;
    font-size: 11px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--parchment);
    border: 1px solid var(--border);
    background: none;
    padding: 8px 18px;
    cursor: none;
    transition: all .3s;
  }
  .mobile-filter-btn:hover { border-color: var(--gold); color: var(--gold); }

  .herbs-grid { grid-template-columns: 1fr 1fr; }
  .herbs-grid.list-view { grid-template-columns: 1fr; }
  .herbs-grid.list-view .herb-card { grid-template-columns: 120px 1fr; }
  .herbs-grid.list-view .herb-card-arrow { display: none; }
}

@media (max-width: 500px) {
  .herbs-grid,
  .herbs-grid.list-view { grid-template-columns: 1fr; }
  .herbs-grid.list-view .herb-card { grid-template-columns: 1fr; }
  .herbs-grid.list-view .herb-card-visual { display: none; }
}

/* herb-card restructured: div wrapper + inner link */
.herb-card { position: relative; }
a.herb-card-link {
  display: block;
  text-decoration: none;
  color: inherit;
}
.herb-card-tags {
  position: relative;
  z-index: 2;
  padding: 0 22px 20px;
}
a.herb-card-tag {
  text-decoration: none;
  color: inherit;
  transition: color 0.2s, border-color 0.2s;
}
a.herb-card-tag:hover {
  color: var(--gold, #c9a84c);
  border-color: var(--gold, #c9a84c);
}