/* ============================================================
   SHOP (products.php) — toolbar, filters, bottom sheet, chips
   Mobile-first. Filters = bottom sheet < 960px, sticky sidebar >= 960px.
   ============================================================ */

.shop-section { padding: 24px 0 8px; background: var(--primary-tint); }
.shop-layout { display: block; }
.shop-main { min-width: 0; }

/* ---------- sidebar / bottom sheet (mobile) ---------- */
.sidebar-backdrop {
  position: fixed; inset: 0; z-index: 200; background: rgba(3,40,60,.55);
  opacity: 0; visibility: hidden; transition: opacity .3s, visibility .3s; backdrop-filter: blur(2px);
}
.sidebar-backdrop.open { opacity: 1; visibility: visible; }

.shop-sidebar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 210;
  display: flex; flex-direction: column;
  max-height: 86vh; background: #fff;
  border-radius: var(--radius-l) var(--radius-l) 0 0;
  box-shadow: 0 -18px 50px rgba(3,40,60,.28);
  transform: translateY(105%); visibility: hidden;
  transition: transform .42s var(--ease), visibility 0s linear .42s;
}
.shop-sidebar.open { transform: none; visibility: visible; transition: transform .42s var(--ease), visibility 0s; }
.shop-sidebar::before { /* drag-handle look */
  content: ''; position: absolute; top: 8px; left: 50%; width: 44px; height: 4px; margin-left: -22px;
  border-radius: 4px; background: var(--line);
}
.sidebar-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 8px 6px 20px; font-family: var(--font-head); font-size: 1.1rem; color: var(--brand-navy);
}
.sidebar-head strong { display: inline-flex; align-items: center; gap: 8px; }
.sidebar-head .icon { color: var(--primary); }
.sidebar-scroll { flex: 1; overflow-y: auto; padding: 8px 16px 16px; overscroll-behavior: contain; }
.sidebar-foot { padding: 12px 16px calc(14px + env(safe-area-inset-bottom, 0px)); border-top: 1px solid var(--line-soft); background: #fff; }

.filter-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-m); padding: 16px; margin-bottom: 14px; }
.filter-card h3 {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  margin: 0 0 12px; padding-bottom: 10px; border-bottom: 1px solid var(--line-soft);
  font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; color: var(--brand-navy);
}
.clear-link { font-size: .78rem; letter-spacing: 0; text-transform: none; font-weight: 700; color: var(--accent-strong); }
.clear-link:hover { text-decoration: underline; }

.filter-list li + li { margin-top: 2px; }
.filter-list a {
  position: relative; display: flex; align-items: center; justify-content: space-between; gap: 10px;
  min-height: 44px; padding: 8px 12px; font-size: .92rem; font-weight: 500; color: var(--ink-soft);
  border-radius: var(--radius-s);
  transition: background .2s, color .2s, padding-left .25s var(--ease);
}
.filter-list a::before { /* active marker bar */
  content: ''; position: absolute; left: 0; top: 10px; bottom: 10px; width: 4px; border-radius: 4px;
  background: var(--primary); transform: scaleY(0); transition: transform .3s var(--ease);
}
.filter-list a:hover { background: var(--primary-tint); color: var(--primary-dark); padding-left: 16px; }
.filter-list a.active { background: var(--primary-light); color: var(--primary-deep); font-weight: 700; padding-left: 16px; }
.filter-list a.active::before { transform: scaleY(1); }
.filter-list .count {
  flex-shrink: 0; min-width: 28px; padding: 2px 8px; text-align: center; font-size: .75rem; font-weight: 700;
  color: var(--primary-dark); background: var(--primary-light); border-radius: 999px;
  transition: background .2s, color .2s;
}
.filter-list a.active .count, .filter-list a:hover .count { background: var(--primary-btn); color: #fff; }

.price-presets { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.price-presets .chip { min-height: 36px; font-size: .8rem; }
.price-presets .chip.is-on { background: var(--primary-btn); color: #fff; }
.price-filter { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; color: var(--ink-faint); font-size: .85rem; }
.price-filter .input { min-width: 0; padding: 8px 12px; }

/* ---------- toolbar ---------- */
.shop-toolbar {
  display: grid; gap: 12px; margin-bottom: 16px; padding: 14px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-m); box-shadow: var(--shadow-sm);
}
.result-count { display: flex; align-items: center; justify-content: space-between; gap: 12px; font-size: .92rem; color: var(--ink-soft); }
.result-count strong { color: var(--brand-navy); font-size: 1.05rem; }
.filter-toggle { min-height: 44px; }
.toolbar-right { display: grid; gap: 10px; }

.toolbar-search { position: relative; display: flex; }
.toolbar-search input {
  flex: 1; min-width: 0; min-height: 46px; padding: 0 52px 0 14px; font: inherit; font-size: 1rem; color: var(--ink);
  background: var(--bg-soft); border: 1.5px solid var(--line); border-radius: var(--radius-s);
  transition: border-color .2s, box-shadow .2s, background .2s;
}
.toolbar-search input:focus { outline: none; background: #fff; border-color: var(--primary); box-shadow: 0 0 0 4px rgba(8,152,204,.16); }
.toolbar-search button {
  position: absolute; right: 3px; top: 3px; bottom: 3px; width: 44px; display: grid; place-items: center;
  border: 0; border-radius: 6px; background: var(--primary-btn); color: #fff; transition: background .2s;
}
.toolbar-search button:hover { background: var(--primary-dark); }

.sort-select { display: flex; align-items: center; gap: 10px; }
.sort-select label { font-size: .85rem; font-weight: 600; color: var(--ink-soft); white-space: nowrap; }
.sort-select select {
  flex: 1; min-width: 0; min-height: 46px; padding: 0 36px 0 12px; font: inherit; font-size: .95rem; font-weight: 500; color: var(--ink);
  appearance: none; -webkit-appearance: none; cursor: pointer;
  background: var(--bg-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23056A91' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") no-repeat right 12px center;
  border: 1.5px solid var(--line); border-radius: var(--radius-s);
  transition: border-color .2s, box-shadow .2s;
}
.sort-select select:hover { border-color: #A9C7D6; }
.sort-select select:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 4px rgba(8,152,204,.16); }

/* ---------- active filter chips ---------- */
.active-filters { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 18px; }
.filter-chip {
  display: inline-flex; align-items: center; gap: 8px; min-height: 36px; padding: 0 12px 0 14px;
  font-size: .85rem; font-weight: 600; color: var(--primary-deep);
  background: var(--primary-light); border: 1px solid #B5E3F3; border-radius: 999px;
  animation: pop .35s var(--ease) both;
  transition: background .2s, color .2s, border-color .2s;
}
.filter-chip .icon { padding: 2px; width: 18px; height: 18px; border-radius: 50%; background: rgba(5,106,145,.15); transition: background .2s, color .2s, transform .25s var(--ease); }
.filter-chip:hover { background: var(--accent-tint); border-color: #F5B8BB; color: var(--accent-strong); }
.filter-chip:hover .icon { background: var(--accent-strong); color: #fff; transform: rotate(90deg); }
.clear-all { padding: 0 6px; font-size: .85rem; font-weight: 700; color: var(--accent-strong); min-height: 36px; display: inline-flex; align-items: center; }
.clear-all:hover { text-decoration: underline; }

/* ---------- grid / pagination tweaks ---------- */
.shop-main .product-grid { gap: 12px; }
.shop-main .pagination { margin-top: 32px; }
.pagination .pg-label { display: none; }
.pagination a, .pagination span { min-width: 44px; height: 44px; }

.shop-quote {
  display: flex; flex-direction: column; align-items: flex-start; gap: 14px; margin-top: 40px; padding: 20px;
  background: var(--primary-tint); border: 1px dashed var(--primary); border-radius: var(--radius-m);
}
.shop-quote strong { display: block; font-family: var(--font-head); color: var(--brand-navy); }
.shop-quote span { font-size: .9rem; color: var(--ink-soft); }
.shop-main .empty-state { margin: 8px 0 24px; }

/* ---------- >= 640px ---------- */
@media (min-width: 640px) {
  .shop-section { padding-top: 32px; }
  .shop-toolbar { grid-template-columns: 1fr auto; align-items: center; padding: 14px 18px; }
  .toolbar-right { grid-template-columns: minmax(180px, 260px) auto; align-items: center; gap: 14px; }
  .shop-main .product-grid { gap: 18px; }
  .pagination .pg-label { display: inline; }
  .shop-quote { flex-direction: row; align-items: center; justify-content: space-between; padding: 20px 26px; }
}

/* ---------- >= 960px : sticky sidebar ---------- */
@media (min-width: 960px) {
  .shop-layout { display: grid; grid-template-columns: 280px minmax(0, 1fr); gap: 32px; align-items: start; }
  .sidebar-backdrop { display: none; }
  .shop-sidebar {
    position: sticky; top: 148px; z-index: 1; max-height: calc(100vh - 168px);
    transform: none; visibility: visible; border-radius: var(--radius-m); box-shadow: none; background: transparent;
    transition: none;
  }
  .shop-sidebar::before, .sidebar-head, .sidebar-foot, .filter-toggle { display: none; }
  .sidebar-scroll { padding: 0 4px 0 0; scrollbar-width: thin; }
  .filter-card { box-shadow: var(--shadow-sm); }
  .toolbar-right { grid-template-columns: 260px auto; }
}
@media (min-width: 1200px) {
  .shop-layout { grid-template-columns: 300px minmax(0, 1fr); gap: 40px; }
}