/* =========================================================================
   SUGANDH INK - Collection Page CSS
   Minimalist Editorial Layout (Sidebar + Catalog Grid)
   ========================================================================= */

.collection-main {
  padding-top: var(--nav-h);
  padding-bottom: 80px;
  background: var(--cream);
  min-height: 100vh;
}

.collection-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 48px;
  margin-top: 24px;
}

/* ── Sidebar Filters ────────────────────────────────────────────────────────── */
.collection-sidebar {
  border-right: 1px solid var(--border);
  padding-right: 32px;
  height: fit-content;
  position: sticky;
  top: calc(var(--nav-h) + 20px);
}

.sidebar-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 32px;
}

.sidebar-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.sidebar-close {
  display: none;
  font-size: 1.1rem;
  color: var(--ink-3);
  padding: 4px;
  cursor: pointer;
  transition: color 0.2s;
  line-height: 1;
}

.sidebar-close:hover {
  color: var(--gold);
}

.sidebar-header h3 {
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 300;
  letter-spacing: 0.02em;
}

.clear-filters-btn {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}
.clear-filters-btn:hover {
  border-color: var(--gold);
}

.filter-group {
  margin-bottom: 36px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 24px;
}
.filter-group:last-child {
  border: none;
}

.filter-group h4 {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-mid);
  margin-bottom: 16px;
}

.filter-options {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* Luxury Checkbox / Radio Inputs */
.filter-checkbox {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.84rem;
  color: var(--ink-dim);
  cursor: pointer;
  user-select: none;
  transition: color 0.2s;
}

.filter-checkbox input {
  appearance: none;
  width: 14px;
  height: 14px;
  border: 1px solid var(--border-strong);
  border-radius: 0; /* Square for luxury minimalist feel */
  outline: none;
  background: transparent;
  display: grid;
  place-content: center;
  cursor: pointer;
  transition: border-color 0.25s, background-color 0.25s;
}

.filter-checkbox input[type="radio"] {
  border-radius: 50%;
}

.filter-checkbox input::before {
  content: "";
  width: 6px;
  height: 6px;
  transform: scale(0);
  background-color: var(--gold);
  transition: transform 0.18s cubic-bezier(0.22, 1, 0.36, 1);
}
.filter-checkbox input[type="radio"]::before {
  border-radius: 50%;
}

.filter-checkbox input:checked {
  border-color: var(--gold);
}
.filter-checkbox input:checked::before {
  transform: scale(1);
}

.filter-checkbox:hover {
  color: var(--ink);
}
.filter-checkbox input:hover {
  border-color: var(--ink);
}

.filter-checkbox input:checked + span {
  color: var(--ink);
  font-weight: 400;
}

/* ── Catalog / Right Side ─────────────────────────────────────────────────── */
.collection-content {
  display: flex;
  flex-direction: column;
}

.catalog-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  border-bottom: 1px solid var(--border);
  padding-bottom: 24px;
  margin-bottom: 36px;
}

.catalog-count {
  display: block;
  font-size: 0.76rem;
  color: var(--ink-dim);
  margin-top: 8px;
  letter-spacing: 0.05em;
}

.catalog-controls {
  display: flex;
  align-items: center;
  gap: 16px;
}

.sort-selector {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--ink-mid);
}

.sort-selector select {
  font-family: var(--sans);
  font-size: 0.8rem;
  font-weight: 500;
  border: none;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  outline: none;
  padding: 4px;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}
.sort-selector select:hover {
  border-color: var(--gold);
}

.mobile-filter-btn {
  display: none;
}

/* ── Product Grid ─────────────────────────────────────────────────────────── */
.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 40px 30px;
}

/* Product Card override / refinement */
.citem {
  display: flex;
  flex-direction: column;
  position: relative;
  background: var(--cream);
  padding: 24px;
  border: 1px solid var(--cream-3);
  transition: transform 0.4s var(--ease), border-color 0.4s var(--ease);
  cursor: pointer;
  box-shadow: 0 10px 30px rgba(72,64,54,0.01);
}

.citem:hover {
  transform: translateY(-4px);
  border-color: var(--cream-3);
  background: var(--cream-2);
}

.citem-img {
  aspect-ratio: 0.85;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--cream-2);
  padding: 12px;
  overflow: hidden;
  margin-bottom: 20px;
  position: relative;
  transition: background 0.4s var(--ease);
}
.citem:hover .citem-img {
  background: var(--cream);
}

.citem-img img {
  max-height: 80%;
  object-fit: contain;
  transition: transform 0.6s var(--ease);
}

.citem:hover .citem-img img {
  transform: scale(1.03);
}

.citem-code {
  font-family: var(--sans);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--olive-3);
  margin-bottom: 6px;
}

.citem-name {
  font-family: var(--display);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 6px;
  transition: color 0.25s var(--ease);
  line-height: 1.15;
}
.citem:hover .citem-name {
  color: var(--gold);
}

.citem-notes {
  font-family: var(--sans);
  font-size: 0.82rem;
  color: var(--ink-3);
  margin-bottom: 20px;
  line-height: 1.55;
  font-weight: 300;
}

.citem-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

.citem-price {
  font-family: var(--sans);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ink);
}

.citem-wa {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--sans);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  background: var(--cream);
  border: 1px solid var(--cream-3);
  padding: 8px 14px;
  transition: background 0.3s, color 0.3s, border-color 0.3s;
}

.citem-wa svg {
  fill: currentColor;
}

.citem-wa:hover {
  background: var(--ink);
  color: var(--cream);
  border-color: var(--ink);
}


/* Pagination container */
.catalog-pagination {
  margin-top: 60px;
  display: flex;
  justify-content: center;
}

/* ── Mobile Responsive ────────────────────────────────────────────────────── */
@media (max-width: 991px) {
  .collection-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .collection-sidebar {
    display: block;
    position: fixed;
    top: var(--nav-h);
    left: -100%;
    width: 320px;
    max-width: 85vw;
    height: calc(100vh - var(--nav-h));
    background: var(--cream);
    z-index: 900;
    padding: 30px;
    overflow-y: auto;
    border-right: 1px solid var(--border);
    transition: left 0.4s var(--ease);
    box-shadow: 10px 0 40px rgba(0,0,0,0.05);
  }

  .mobile-filter-btn {
    display: inline-flex;
  }

  .sidebar-close {
    display: inline-block;
  }

  .collection-sidebar.mobile-open {
    left: 0;
  }
}