/* ══════════════════════════════════════════════════════════════
   SHOP PAGE — Layout, Sidebar Filters, Product Grid, Pagination
   ══════════════════════════════════════════════════════════════ */

.shop-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 40px;
  max-width: 1400px;
  margin: 0 auto;
  margin-top: var(--nav-h);
  padding: 40px 24px 100px;
  align-items: start;
}

/* ── Page heading ── */
.shop-heading { grid-column: 1 / -1; margin-bottom: 8px; }
.shop-heading h1 {
  font-family: var(--f-serif);
  font-size: 2rem;
  color: var(--c-ink);
}
.shop-heading p { color: var(--c-smoke); font-size: 0.9rem; margin-top: 6px; }

/* ── SIDEBAR ── */
.shop-sidebar {
  position: sticky;
  top: calc(var(--nav-h) + 24px);
  background: var(--c-card);
  border-radius: var(--r);
  box-shadow: var(--shadow-card);
  padding: 4px 20px;
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
  border-bottom: 1px solid var(--c-rule);
}
.sidebar-header h2 {
  font-family: var(--f-serif);
  font-size: 1.1rem;
}
.clear-filters-btn {
  background: none; border: none; cursor: pointer;
  font-size: 0.78rem; color: var(--c-brass);
  text-decoration: underline;
}

.filter-group { border-bottom: 1px solid var(--c-rule); padding: 18px 0; }
.filter-group:last-child { border-bottom: none; }

.filter-group-title {
  font-family: var(--f-sans);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-ink);
  margin-bottom: 12px;
}

.filter-option {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 7px 0;
  cursor: pointer;
  font-size: 0.86rem;
  color: var(--c-smoke);
  user-select: none;
}
.filter-option input[type="checkbox"],
.filter-option input[type="radio"] {
  width: 16px; height: 16px;
  accent-color: var(--c-brass);
  cursor: pointer;
  flex-shrink: 0;
}
.filter-option:hover { color: var(--c-ink); }
.filter-option .fo-count { margin-left: auto; color: var(--c-fog); font-size: 0.78rem; }

.price-range-row {
  display: flex; align-items: center; gap: 8px;
}
.price-range-row input {
  width: 100%;
  padding: 9px 10px;
  border: 1px solid var(--c-rule);
  border-radius: var(--r-sm);
  background: var(--c-paper);
  font-size: 0.85rem;
  color: var(--c-ink);
  font-family: var(--f-sans);
}
.price-range-row input:focus { outline: none; border-color: var(--c-brass); }
.price-range-row span { color: var(--c-fog); font-size: 0.8rem; }
.apply-price-btn {
  width: 100%;
  margin-top: 10px;
  padding: 9px;
  border: none;
  border-radius: var(--r-sm);
  background: var(--c-ink);
  color: var(--c-paper);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.2s var(--ease);
}
.apply-price-btn:hover { background: var(--c-brass); }

/* Mobile "Filters" toggle — hidden on desktop, shown ≤1024px */
.mobile-filters-toggle {
  display: none;
  width: 100%;
  padding: 12px;
  margin-bottom: 16px;
  border: 1px solid var(--c-rule);
  border-radius: var(--r);
  background: var(--c-card);
  font-family: var(--f-sans);
  font-size: 0.85rem;
  cursor: pointer;
  align-items: center;
  justify-content: space-between;
  grid-column: 1 / -1;
}

/* ── MAIN / GRID ── */
.shop-main { min-width: 0; }

.shop-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  font-size: 0.85rem;
  color: var(--c-smoke);
}

.active-filter-chips {
  display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px;
}
.filter-chip {
  display: flex; align-items: center; gap: 6px;
  padding: 6px 10px;
  background: var(--c-card);
  border: 1px solid var(--c-rule);
  border-radius: 20px;
  font-size: 0.78rem;
  color: var(--c-ink);
}
.filter-chip button {
  background: none; border: none; cursor: pointer;
  color: var(--c-smoke); font-size: 0.9rem; line-height: 1;
}

.shop-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.shop-card {
  background: var(--c-card);
  border-radius: var(--r);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
  cursor: pointer;
  display: flex;
  flex-direction: column;
}
.shop-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lift); }

.shop-card-img { aspect-ratio: 1; overflow: hidden; background: var(--c-paper2); }
.shop-card-img img { width: 100%; height: 100%; object-fit: cover; display: block; }

.shop-card-body { padding: 16px; display: flex; flex-direction: column; gap: 4px; flex: 1; }
.shop-card-brand {
  font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--c-fog);
}
.shop-card-name {
  font-family: var(--f-serif); font-size: 1.02rem; color: var(--c-ink);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.shop-card-meta { font-size: 0.76rem; color: var(--c-smoke); margin-bottom: 4px; }
.shop-card-price { font-size: 0.95rem; font-weight: 500; color: var(--c-brass); margin-top: auto; }

.shop-empty, .shop-loading {
  grid-column: 1 / -1;
  text-align: center;
  padding: 64px 24px;
  color: var(--c-smoke);
  font-size: 0.92rem;
}

/* ── PAGINATION ── */
.shop-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 48px;
}
.page-btn {
  min-width: 38px; height: 38px;
  padding: 0 10px;
  border: 1px solid var(--c-rule);
  border-radius: var(--r-sm);
  background: var(--c-card);
  color: var(--c-ink);
  font-family: var(--f-sans);
  font-size: 0.85rem;
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}
.page-btn:hover:not(:disabled):not(.active) { background: var(--c-paper2); }
.page-btn.active { background: var(--c-ink); color: var(--c-paper); border-color: var(--c-ink); }
.page-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.page-ellipsis { padding: 0 4px; color: var(--c-fog); }

/* ══════════════════════════════════════════════════════════════
   RESPONSIVE — 1 column mobile, 2 tablet, 4 desktop
   ══════════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .shop-layout {
    grid-template-columns: 1fr;
    padding: 24px 20px 80px;
  }
  .shop-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }

  .mobile-filters-toggle { display: flex; }
  .shop-sidebar {
    position: static;
    display: none;
    margin-bottom: 24px;
  }
  .shop-sidebar.open { display: block; }
}

@media (max-width: 640px) {
  .shop-grid { grid-template-columns: 1fr; gap: 16px; }
  .shop-heading h1 { font-size: 1.6rem; }
  .shop-toolbar { flex-direction: column; align-items: flex-start; gap: 10px; }
}